Smart Contract Development Jobs

Check out 39 Smart Contract Development Jobs.
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DeFi Research Analyst

We are a team focused on advancing decentralized systems and empowering enterprises and developers worldwide. Our areas of expertise include Ethereum and Starknet protocol engineering, decentralized finance (DeFi), protocol research, cryptography research, security auditing, real-time monitoring, smart contract development, and dapps and enterprise engineering. We actively collaborate with industry leaders such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, and more. With a global remote team of nearly 200 people from over 45 countries, we aspire to solve the most complex challenges in the blockchain space.

We are searching for an exceptional individual to join our team as a DeFi Research Analyst. In this role, you will utilize your deep knowledge and expertise in blockchain technology to conduct thorough technical due diligence on emerging protocols and technologies. Additionally, you will provide support to traders by contributing to tool development, monitoring markets for opportunities, and designing effective trading strategies.

As a DeFi Research Analyst, you will also play a critical role in developing quantitative models, exploring tokenomics, and providing insights to investment professionals regarding the impact of significant news events on token prices. Your passion for the blockchain industry and trading cryptocurrencies, coupled with strong data analysis and analytical skills, will be key to your success in this position.

Responsibilities:

Conduct comprehensive technical reviews of new and existing blockchain protocols and technologies, assessing the technical soundness, competitiveness, scalability, security, and potential risks.

Monitor news events related to blockchain and cryptocurrency, particularly those affecting Ethereum and Layer 2 solutions, evaluate their potential impact on token prices and the market, and contribute to daily and weekly newsletters.

Keep a close eye on market indicators and upcoming catalysts, inform traders of potential anomalies, conduct research, and suggest potential trading ideas.

Collect, clean, and analyze large datasets from the Ethereum blockchain using appropriate tools and techniques, extract relevant metrics and patterns to identify trends, correlations, and anomalies.

Communicate complex research findings and insights to technical and non-technical stakeholders, prepare comprehensive reports, presentations, and visualizations that effectively convey analytical results, implications, and recommendations.

Develop quantitative models and algorithms to support investment decisions, risk management strategies, and trading strategies related to Ethereum, including volatility models, price forecasting models, and portfolio optimization models.

Engage with clients by providing timely updates, addressing inquiries, and participating in meetings and conference calls, tailor research and recommendations based on clients' investment objectives, risk tolerance, and preferences.

Collaborate internally with other research, engineering, and business development teams on various projects and sales initiatives.

Qualifications:

Bachelor’s or Master’s degree in a quantitative discipline such as Mathematics, Statistics, Computer Science, or a related field.

Strong understanding of Ethereum blockchain, smart contracts, decentralized finance (DeFi), and related technologies.

Experience working with large datasets, SQL, and NoSQL databases.

Proficient in programming languages such as Python, R, or MATLAB for data manipulation, analysis, and model implementation.

Knowledge of quantitative analysis techniques, statistical modeling, and data visualization tools is a plus.

Familiarity with cryptocurrency trading, derivatives, and risk management concepts is desirable.

Availability during UK Timezone.

Ability to thrive in a fast-paced, dynamic environment with tight deadlines.

Excellent problem-solving skills and attention to detail.

Strong communication and presentation skills to effectively convey complex concepts to diverse audiences.

Note: By applying to this position, you consent to the storage and processing of your personal information by Demerzel Solutions Limited (t/a Nethermind) for recruitment purposes. All data storing and processing adhere to the UK GDPR regulations. You can withdraw your consent at any time by contacting legalnotices@nethermind.io. Please visit our privacy policy for more information.

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Full time
Remote

Founding Engineer - Pimlico

At our organization, we are a dedicated group of individuals with a mission to empower businesses and developers worldwide to utilize and contribute to decentralized systems.

Our areas of expertise encompass various domains, including Ethereum and Starknet protocol engineering, layer-2 solutions, cryptography and protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

We collaborate with esteemed organizations such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and more to address the most challenging problems in the blockchain industry.

Currently, our team consists of nearly 200 dedicated professionals working remotely from over 45 countries.

If you believe in our vision and are driven to make a difference, we are seeking a highly skilled DevOps Engineer to join us as a founding team member. In this role, you will be responsible for building, scaling, and maintaining the essential infrastructure that will process and relay user activity on Ethereum's transition to ERC-4337 smart accounts. This opportunity will contribute to the mainstream adoption of Ethereum by paving the way for its future.
Essential Responsibilities:
Within a typical workday, you may be involved in the following areas:

Infrastructure and cloud engineering

Development of backend blockchain scripts

Modifications to Ethereum nodes (e.g., geth, nethermind)

Smart contract development
Benefits of Joining:
By becoming a part of our team, you will have the opportunity to:

Tackle complex challenges surrounding account abstraction in Ethereum

Enhance your skills across multiple domains

Embrace best practices in engineering, security, and design

Constantly strive to improve the user experience of web3

Engage in clear and frequent communication

Join a team of passionate individuals who prioritize commitment and dedication

Experience a strong sense of accountability within the team

Make a substantial impact in your career development
Qualifications:
This opportunity may not be suitable for you if:

You are unwilling to relocate to London. This position requires engineers who are actively involved in coding, designing, and reviewing code within a specific environment.

You prefer to work exclusively within your area of specialization and are uncomfortable stepping outside of your comfort zone (e.g., only wanting to code in Rust).

You are seeking part-time employment.

Please be aware that by applying for this role, you grant permission for Demerzel Solutions Limited (t/a Nethermind) to store and process your personal information solely for recruitment purposes related to both the listed job position and any other roles deemed suitable for you. Your data will be handled in accordance with the UK General Data Protection Regulation (GDPR). For further details on data storage and processing, please refer to our privacy policy. Your consent is voluntary and can be withdrawn at any time. If you have questions or wish to withdraw your consent, please contact us at legalnotices@nethermind.io.

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Full time
Office
London, UK

Cryptography Researcher

At our company, we are a collaborative team dedicated to expanding the accessibility and capabilities of decentralized systems for enterprises and developers worldwide.

Our areas of expertise include Ethereum and Starknet protocol engineering, layer-2 technology, cryptography research, decentralized finance (DeFi), security auditing, protocol research, real-time monitoring, smart contract development, and dapps and enterprise engineering.

We actively collaborate with organizations such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many others to solve complex challenges in the blockchain space.

Currently, our remote team consists of nearly 200 professionals located in over 45+ countries.

Please visit our website for a list of our available positions.

Are you the one?

We are seeking an exceptional candidate who specializes in cryptography research and has published in top cryptography, security, or blockchain conferences/journals. The ideal candidate will excel in working as part of a distributed research team, effectively communicate research ideas, and provide compelling arguments supported by security proofs. We value candidates who are confident in expressing their opinions and are eager to learn and discuss unfamiliar concepts.

Responsibilities

As a cryptography researcher, you will contribute to ongoing cryptographic research on topics such as:

Zero-knowledge proofs, particularly zkSNARKs, zkSTARKs, folding schemes, and lookup arguments

Threshold encryption and signature schemes

Witness encryption

Skills

In-depth knowledge of cryptographic primitives, including threshold signatures, zero-knowledge proofs, folding schemes, lookup arguments, and witness encryption

Excellent ability to articulate thoughts precisely

Nice to Have

Engineering skills to create proof-of-concept implementations of developed protocols

Perks and Benefits

Equity

Fully remote work

Flexible working hours

By submitting your application, you consent to the storage and processing of your personal information by our company for recruitment purposes. All data handling is in accordance with the UK GDPR. For more information, please refer to our privacy policy. Your consent is voluntary and can be withdrawn at any time. If you have any questions or wish to withdraw your consent, please contact legalnotices@nethermind.io.

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Full time
Remote

Looking for Web3 developers (Middle/Senior), for a joint project with GoChain.

Our expectations from the candidate are: 1 - Understanding of Web3 concepts such as blockchain, wallets and smart contracts;2 - Experience with Web3 libraries such as web3.js, ethers.js and others3 - Knowledge of version control systems, preferably GitWill be a plus:1 - Experience with backend (NodeJS, PostgreSQL, AWS, Docker, GraphQL, React);2 - Proven experience working as a frontend or fullstack developer on a web3/blockchain project3 - Knowledge of UX/UI design and experience working in Figma;4 - Successful implementation of greenfield projects with significant contribution to deliverables;5 - Strong communication, analytical and problem solving skills.What we offer:1 - Salary from $10,000 per month, depends on candidate's skills and experience, discussed during the interview;2 - Flexible work schedule;3 - Part-time or full-time, we are willing to provide a transition period;4 - Fully remote work;5 - Additional bonuses, equity compensation opportunities and benefits within this position. Contact Us: 1 - sequencebuild@outlook.com 2 - telegram: @sequencemod
10,000-16,000
Full time
Remote

Smart Contract Auditor

Company Overview

At our company, we have a diverse team of skilled builders and researchers specializing in various areas of blockchain technology. Our expertise includes Ethereum Protocol Engineering, Layer-2 solutions, Decentralized Finance (DeFi), Miner Extractable Value (MEV), Smart Contract Development, Security Auditing, and Formal Verification. We collaborate with renowned companies in the blockchain space and actively contribute to Ethereum core development and network upgrades.

Currently, we have nearly 200 team members working remotely from over 45+ countries.

You can view all our open positions on our jobs page.

Role Description

We are seeking experienced senior auditors and developers with smart contract auditing knowledge to join our team. In this role, you will be working on projects written in Solidity and Cairo. Rust and/or GoLang experience is a plus. We are looking for someone who understands the Ethereum Virtual Machine, Yellow Paper, and the Solidity language. This is an opportunity to work with cutting-edge Blockchain technology and collaborate with different teams involved in Ethereum and StarkNet.

Responsibilities

Review code and enhance the security of protocols in the Ethereum and StarkNet ecosystems.

Collaborate with teammates to improve existing blockchain security tools using modern software engineering practices.

Develop new blockchain security tools.

Engage in client meetings to discuss security improvements and best practices.

Requirements

PhD in Computer Science, Math, or related field.

Solid experience in Solidity security analysis.

Strong understanding of the Ethereum Virtual Machine and Yellow Paper.

Proficiency in Solidity development and smart contract deployment.

Detailed knowledge of common smart contract vulnerabilities.

Familiarity with tools and frameworks used for smart contract development and security analysis.

Strong debugging and reverse engineering skills.

Basic knowledge of Cairo and StarkNet.

Nice to Have

Previous experience in traditional cybersecurity.

Experience in Cairo development.

Deep understanding of StarkNet.

Excellent written and verbal communication skills.

Familiarity with common DeFi applications.

Portfolio of blog posts or presentations on DeFi or security-related topics.

Publicly available audit reports in your portfolio.

Perks and Benefits

Fully remote position.

Flexible working hours.

Equity shares available.
Disclaimer
By applying for this position, you consent to the storage and processing of your personal information by Demerzel Solutions Limited (t/a Nethermind) for recruitment purposes. The Company complies with UK GDPR regulations. Refer to the privacy policy for further details. You have the right to withdraw your consent at any time by contacting legalnotices@nethermind.io.

Stay up to date with our work by following us on our social channels:



Click here to view our Privacy Policy.
Full time
Remote

Senior Full-Stack Engineer

About Toku

Toku is a leading company in the crypto industry that focuses on enabling the seamless transition from pre-regulation to post-regulation. We believe that regulation is necessary for the industry's growth and global accessibility. Our innovative products allow crypto-native companies to compliantly compensate their teams in both fiat and tokens, with over 100 teams worldwide. Our growing list of prestigious customers includes Aragon, Astar, dYdX, Filecoin Foundation, Gitcoin, Gnosis, Hedera Hashgraph, Mina, Protocol Labs, Teller, Safe, Storyverse, and others.

At Toku, we believe in the real-world use case of using tokens to compensate workers. We ensure that all worker compensations using tokens are done legally and properly taxed, contributing to the industry's transition to a post-regulation crypto environment.

Role Responsibilities:

Collaborate closely with the sales and product teams to make strategic decisions and find effective solutions.

Uphold best practices in code quality, strong typing, and API design.

Establish and document best practices to ensure scalability of the engineering team.

Identify opportunities for process improvement and maintain high technical standards.

Requirements:

Minimum of 7 years of software engineering experience at a venture-backed startup.

Proficient in writing quality, maintainable code in a fast-paced and agile environment.

Demonstrated ability to deliver projects involving various technologies and systems successfully.

Self-motivated with a proactive approach to executing new ideas.

Able to work with different services and processes, even if prior experience is limited.

Knowledge of high-quality code and software engineering processes, with the ability to create an environment that fosters these qualities.

Familiarity or experience in a fast-paced remote-first startup.

Resourceful and willing to take on different tasks.

Experience in building front-end and back-end systems, from writing the initial lines of code to scaling the product.

Strong teamwork, analytical, problem-solving, project management, and communication skills.

Preferably within North American time zones.

Benefits & Compensation:

Remote-first work culture.

Flexible working hours.

Competitive salary and equity.

Apple laptop provided.

Toku is dedicated to building a diverse team that represents a wide range of backgrounds, thoughts, and experiences. We are an equal opportunity employer and do not discriminate based on race, color, religion, sex, gender identity, sexual orientation, age, national origin, disability status, protected veteran status, or any other legally protected characteristics. We encourage women, minorities, LGBTQ+, and individuals from underrepresented backgrounds to apply.

Please ensure to create an impressive resume using Rezi.ai before submitting your application.
Full time
Remote
Canada, United States

Software Engineer, Economics & Ecosystem

About Us

Chainlink Labs is a leading developer of Chainlink, a decentralized computing platform that powers the verifiable web. We collaborate with major financial institutions and top Web3 teams to create verifiable applications for banking, DeFi, global trade, and gaming. Chainlink Labs has been recognized as one of the 100 Most Loved Workplaces in both the United States and the United Kingdom.

The Engineering Team

At Chainlink Labs, our engineering team is at the forefront of decentralized application development. We hold a dominant market share in the oracle space and enable smart contracts to interact securely with off-chain data and computation.

We are seeking talented and driven individuals who enjoy working collaboratively to solve complex challenges, make a positive impact on products, and grow as builders. Join us and become a part of shaping the future of blockchain technology and decentralized finance.

About the Role

As a software engineer on our Economics & Ecosystems team, you will contribute to the development of high-impact products that enhance the security and reliability of Chainlink oracle networks. You will work closely with various departments, including engineering, operations, finance, and marketing, to ensure the release of user-friendly smart contract-driven products. Your core team will consist of smart contract and software engineers, and you will report to the engineering lead.

Your Impact

Take ownership of significant components of the architecture supporting the Chainlink ecosystem's economics

Collaborate with fellow engineers to create end-to-end experiences for products such as dApps, data services, and smart contracts

Work closely with operations to ensure smooth deployment and management of products

Partner with the research team to build practical and user-friendly products

Engage with non-technical stakeholders to deliver positive user experiences and meet business requirements

Requirements

Successful experience designing, building, and scaling production services

Experience managing multi-month projects and effectively communicating progress, dependencies, and risk mitigation to stakeholders and partners

Strong focus on product development and willingness to learn new technologies

Solid understanding of computer science fundamentals and systems design

Desirable

3+ years of professional engineering experience in a collaborative product-driven environment

Familiarity with Solidity, Golang, TypeScript, React, and SQL

Experience developing secure smart contracts with meaningful on-chain value

Experience working with remote teams across different time zones

Active participation in the blockchain ecosystem

All positions with Chainlink Labs are global and remote-based. We encourage applicants from all locations, but we ask that you have some overlap in working hours with Eastern Standard Time (EST).

Commitment to Equal Opportunity

Chainlink Labs is an equal opportunity employer. We consider all qualified applicants for employment and comply with applicable laws, regulations, and ordinances. If you require assistance or accommodation due to a disability or special need during the application process or in our recruitment, please contact us at peopleops@smartcontract.com.

Global Data Privacy Notice for Job Candidates and Applicants

Information collected and processed through your Chainlink Labs Careers profile and any job applications you submit will be subject to our Privacy Policy. By submitting your application, you consent to our use and processing of your data as required.
Full time
Remote

Director, Product Management - Blockchain Integrations

About Us

Chainlink Labs is a leading developer of Chainlink, a decentralized computing platform that powers the verifiable web. Our platform provides access to real-world data, offchain computation, and secure cross-chain interoperability across any blockchain. We collaborate with major financial institutions and Web3 teams to create verifiable applications for banking, DeFi, global trade, and gaming. Chainlink Labs has been recognized as one of the 100 Most Loved Workplaces in both the United States and United Kingdom.

The Product Team

Our Product Team at Chainlink Labs is focused on delivering cutting-edge solutions for the rapidly evolving world of DeFi, on-chain finance, gaming, NFTs, and other major areas. We have a talented team of product managers, designers, and engineers who work together to create innovative products and services that enable smart contracts to securely access off-chain data and systems.

We emphasize user-centered design and strive to create intuitive experiences for developers and end-users. Our blockchain solutions are used by some of the most forward-thinking organizations in the industry. Join our Product Team and be part of shaping the future of the blockchain space.

About the Role

As the Director of Product Management for Blockchain Integrations, you will play a key role in guiding our roadmap and leading cross-functional teams in setting and achieving our goals. You will drive the integration and adoption of our platform, while also scaling processes and capabilities to support smart contract growth across blockchains.

As a player coach leader, you will be responsible for:

Designing a framework for integrations to ensure reliable and secure software deployment on new blockchain networks

Externalizing the framework and sourcing system integrators to scale as needed

Enabling independent integrations by external parties and evaluating the quality standards

Establishing guidelines for evaluating the success of system integrators

Creating clear technical documentation for partners on integrating across different blockchains

Your impact will be:

Driving the product roadmap and go-to-market strategy in collaboration with marketing, sales, and executive teams

Balancing tradeoffs between product, customer, engineering, and security requirements

Shaping the future of the blockchain industry by building scalable products that power DeFi and other trust-minimized smart contracts

Requirements:

Experience designing integrations frameworks and managing multiple internal and external partners

Proven track record of successfully managing global developer teams and system integrators

Demonstrated ownership and ability to drive the release of impactful products

Technical degree in computer science or related field

10+ years of product management experience, including 3+ years leading product managers

Strong passion for Web3

Startup experience preferred

All roles at Chainlink Labs are global and remote-based. We encourage applicants from all locations, and we ask that you have some overlap with Eastern Standard Time (EST) working hours.

Commitment to Equal Opportunity

Chainlink Labs is an equal opportunity employer. We comply with applicable laws and regulations to ensure equal consideration for employment. If you require any assistance or accommodation during the application process, please contact us at peopleops@smartcontract.com.

Global Data Privacy Notice for Job Candidates and Applicants

As part of the application process, we collect and process information in accordance with our Privacy Policy. By submitting your application, you agree to our use and processing of your data.
Full time
Remote

Crypto Technical Product Manager (Hungary Remote)

:

Token Metrics, a company specializing in helping crypto investors build profitable portfolios, is seeking versatile candidates with exceptional interpersonal skills for a Technical Product Manager role. The Technical Product Manager will be responsible for enhancing customer experiences, generating innovative product ideas, and developing comprehensive product strategies, among other responsibilities.

The successful candidate for this mid to senior-level position will need to effectively manage diverse teams across engineering and marketing, necessitating both a strong technical background and excellent interpersonal skills.

Responsibilities:

Lead technical engineering teams with extensive experience.

Possess a strong technical background with expertise in technologies like React, Node.js, and JavaScript.

Collect and validate requirements.

Conduct daily Scrum meetings and work in an Agile environment.

Outline detailed product strategies.

Manage both onsite and offshore teams.

Handle product roadmaps and releases.

Understand the unique selling points of the product.

Identify and address product gaps.

Generate innovative product ideas.

Collaborate with PR and marketing teams to organize successful product launches.

Serve as a product evangelist, representing the company at public events.

Requirements:

Degree in Computer Science, Engineering, or a related field.

Proven experience in product development.

Demonstrated ability in product development.

Strong technical background with expertise in software development or web technologies.

Attention to detail and strong problem-solving skills.

Exceptional interpersonal skills.

Excellent written and verbal communication.

Outstanding leadership abilities.

About Token Metrics:

Token Metrics leverages artificial intelligence to assist crypto investors in constructing profitable portfolios. Their range of customers includes retail investors, traders, and crypto fund managers spanning over 50 countries.
Full time
Remote
Budapest, Hungary

Back-End Engineers, Institutional

Blockchain.com is the leading digital asset software platform worldwide. Our objective is to create an open, accessible, and fair financial future by coding and building software pieces. We are seeking experienced Back-End Engineers in London to join our development community. In this role, you will contribute to the development of next-generation software systems for the growing cryptocurrency and blockchain industry.

Since 2017, Blockchain.com has been a successful institutional business and a strategic capital partner for the major trading, investment, and mining companies in the crypto space. We offer lending, OTC and electronic trading, custody, asset management funds, and other financial products and services.

Responsibilities:

Collaborate closely with fellow Engineers and the Lead to develop innovative software solutions for our global cryptocurrencies institutional businesses and operations

Design, develop, and take ownership of high-performance backend solution stacks

Maintain and optimize existing systems for scalability, extensibility, and performance

Contribute to enforcing technology and coding standards across teams

Stay updated on the latest technologies in the blockchain and technology space

Requirements:

Bachelor’s or Master’s degree in Computer Science, Engineering, or related disciplines

Familiarity with Unix-like operating systems

1-7 years of experience in a dynamic, fast-paced environment

Preferred experience in back-end applications related to trading

Strong curiosity and understanding of software engineering principles

Excellent verbal and written communication skills

Interest in both traditional finance and cryptocurrency markets

Ability to work independently

Proficient in modern backend technologies such as Python-Flask/FastAPI, JS or TS, SQL, Redis

Openness to learn or work with Rust

Knowledge of other technologies like CI/CD, C/C++, Solidity is a plus

Familiarity with cloud computing services (e.g., AWS, GCP) is a plus

Understanding of spot/futures/options trading is a plus

Compensation and Benefits:

Competitive salary based on experience with meaningful equity

Hybrid model with work from home and office in Central London

Unlimited vacation policy

Work from anywhere policy

Apple equipment

Opportunity to build a career at a rapidly expanding global technology company in an emerging field

Flexible work culture

Blockchain.com is committed to diversity and inclusion and is proud to be an equal opportunity employer. We strictly prohibit discrimination and harassment based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status, or any other characteristic protected by law. All our employment practices, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship follow this policy. We make hiring decisions based on qualifications, merit, and business needs.
Full time
Hybrid
London, UK