Principle/Lead Engineer (Java) - Growth Tech

About Teamix
Teamix is a platform connecting top-tier talent in blockchain and AI with innovative startups and companies building decentralized products. We’re looking for a Senior Blockchain Developer to join our network of experts, where you’ll contribute to the development of blockchain systems that bridge the gap between real-world assets and decentralized finance (DeFi). This is an exciting opportunity to work with mission-driven startups, bringing advanced blockchain solutions to scale.
Only apply here: https://www.myteamix.com/#/talent-ai-platform
Your Responsibilities
As a Senior Blockchain Developer, you will:
Design, develop, and implement secure blockchain systems to support innovative decentralized solutions.
Contribute to the development of private and public blockchain networks, including smart contracts, tokenization, and ledger management.
Collaborate with engineering teams across multiple projects to iterate and improve blockchain functionality.
Build and maintain backend services that scale efficiently to support decentralized applications (DApps) and blockchain-based platforms.
Participate in code reviews, ensuring the highest standards of blockchain security, accuracy, and performance.
Stay up to date with blockchain trends and technologies to enhance the architecture and features of projects.
Work closely with startups to ensure blockchain implementations meet business objectives and deliver verifiable trust in decentralized systems.
 
Key Requirements
3+ years of dedicated blockchain development experience, including expertise with Ethereum, Solana, and smart contract frameworks.
5+ years of experience building scalable backend services in languages such as Golang, Rust, Java, TypeScript, or Python.
Proven track record of delivering secure, high-performance blockchain solutions.
Strong understanding of blockchain consensus mechanisms, tokenization, and decentralized architecture.
 
Preferred Qualifications
Experience with private blockchain networks like Hyperledger, CordaR3, or DAML.
Knowledge of interoperability solutions between different blockchain networks.
Familiarity with zero-knowledge proofs and their applications.
Experience building decentralized applications (DApps).
Previous experience with Blockchain-as-a-Service platforms.
Why Join Teamix?
Teamix offers flexibility and the opportunity to work on impactful projects within a global network of Web3 and AI experts. You’ll collaborate with startups that are building cutting-edge blockchain solutions and help shape the future of decentralized finance, smart contracts, and more.
Apply here: https://www.myteamix.com/#/talent-ai-platform

Crypto Fundraiser Pool is a pioneering platform where blockchain technology meets charitable causes. We provide a seamless and secure way for individuals and organizations to contribute to charitable projects using cryptocurrency. Our mission is to ensure transparency, trust, and safety within the ecosystem as we revolutionize the fundraising landscape.
Role Summary
We are seeking a highly motivated and analytical Risk Analyst to join our growing team. The ideal candidate will have a strong understanding of financial risk management, particularly in the cryptocurrency space. You will play a key role in identifying, assessing, and mitigating risks that could affect our fundraising operations and broader crypto activities. This role demands a detail-oriented mindset, advanced analytical skills, and an ability to develop robust risk management strategies in a fast-paced environment.
Duties/Responsibilities
Identify potential risks related to cryptocurrency fundraising and investments, including market volatility, regulatory changes, and fraud.
Conduct in-depth research on risk factors affecting blockchain technology and the global cryptocurrency market.
Develop and implement risk assessment models to evaluate the financial impact of potential risks..
Monitor and analyze industry trends, emerging risks, and potential red flags to proactively mitigate threats.
Collaborate with cross-functional teams including legal, compliance, and finance to ensure the organization adheres to regulatory standards and best practicesDevelop contingency plans and risk mitigation strategies to safeguard the organization from unforeseen events.
Prepare comprehensive reports and risk assessments to inform key decision-makers.
Contribute to developing policies and procedures to enhance overall risk management frameworks.
Preferred Skills
Experience in developing risk models to evaluate financial exposure and the impact of potential risks on the organization
Knowledge of crypto wallets, transactions, and blockchain auditing.
Familiarity with cryptocurrency regulations, including anti-money laundering Anti-money laundering, Know your customer, and data protection laws.
Proficient with data analysis such as Python, R, Excel, or SQL to analyze complex data sets.
Ability to prepare detailed risk assessments, reports, and compliance documentation for the decision-making process
Experience using risk management software and financial tools
Education and Experience
Bachelor's degree in Finance, Economics, Risk Management, or a related field.
3+ years of experience in risk analysis, preferably in cryptocurrency, blockchain, or financial services.
Strong knowledge of blockchain technology, cryptocurrencies, and the crypto regulatory landscape.
Proven experience with risk management tools and financial modeling.
Excellent analytical, problem-solving, and critical-thinking skills.
Ability to communicate complex risks and strategies in a clear, actionable way.
Familiarity with regulatory requirements in the crypto industry is a plus.
Strong attention to detail and ability to work independently in a remote environment.
Additional Requirements or Expectations Specific to the Position
Certifications in risk management, blockchain technology, or related fields are a plus.
Familiarity with coding (e.g. Python) to automate data analysis and risk modeling is a bonus.
How to Apply:
If you’re excited about working at the intersection of finance, technology, and philanthropy, we’d love to hear from you. Please submit your resume and a brief cover letter to us explaining why you’re a great fit for the Risk Analyst position at Crypto Fundraiser Pool.
Join us as we make an impact with blockchain innovation!

We are seeking a talented and detail-oriented Data Analyst to join our team. As a Data Analyst, you will be responsible for interpreting data, analyzing results, and providing insights to drive business decisions. The ideal candidate will possess a diverse skill set in areas such as Web, Mobile & Software Development, Engineering & Architecture, IT & Networking, Accounting and Consulting, and Blockchain & Crypto.
Responsibilities:
- Analyze data to identify trends, patterns, and insights that will inform strategic decisions.
- Work closely with various departments to gather data requirements and deliver actionable insights.
- Develop and maintain data models, dashboards, and reports to track key performance metrics.
- Utilize both quantitative and qualitative analysis techniques to interpret data effectively.
- Collaborate with stakeholders to ensure data integrity and accuracy.
Requirements:
- Bachelor's degree in a related field, such as Computer Science, Information Technology, Mathematics, or Statistics.
- Proven experience in data analysis, including proficiency in tools and technologies relevant to Web, Mobile & Software Development, Engineering & Architecture, IT & Networking, Accounting and Consulting, and Blockchain & Crypto.
- Strong analytical and problem-solving skills, with the ability to translate complex data into meaningful insights.
- Excellent communication and presentation skills.
- Ability to work independently and as part of a team.
If you are passionate about leveraging data to drive business success and have a diverse skill set in the aforementioned areas, we encourage you to apply for this exciting opportunity as a Data Analyst.

About RootstockLabsAt RootstockLabs, we believe Bitcoin will underpin humanity’s economic future. But for this to happen, Bitcoin’s functionality must be extended and made available to all. This is why we have been long-standing contributors to Rootstock, the largest and longest-running Bitcoin sidechain. Rootstock allows anyone to develop apps and services on top of the planet’s most secure and decentralised financial infrastructure; Bitcoin. Today we continue to contribute to Rootstock’s evolution by building tools and technology focused on making Bitcoin work for everyone.About the RoleRootstockLabs exists to make Bitcoin work for everyone. We do this through giving developers the tools to build on Bitcoin, supporting the growth of the Rootstock ecosystem and expanding the frontiers of decentralised technology. As we enter our next stage of growth, we are looking for an experienced Blockchain Architect to support the Director of Architecture. This role is crucial in shaping the technical landscape of our projects and ensuring the robustness and scalability of our solutions.As a Senior Technical Architect, you will be responsible for architecting and evaluating solutions, addressing technical challenges, and guiding development teams. You will collaborate closely with other technical team members to recommend and implement improvements to our systems. Your continuous research into emerging technologies and ability to inform stakeholders of technical challenges and impacts will be vital in driving our mission forward.What You’ll be DoingArchitecting solutions based on directed requirements using the capabilities of RootstockLabs’ suite of products.Assessing the systems architecture currently in place or being built and working with other technical team members to recommend solutions to improve itProactively identifying and addressing technical challenges to ensure system security, decentralisation, and scalability.Providing supervision and guidance to development squadsContinually researching current and emerging technologies and proposing changes where neededInforming key stakeholders about any challenges with the current technical solutions being implementedAssessing the business impact that certain technical choices may haveProviding updates to stakeholders on product development processes, costs, and budgetsWhat You’ll Bring to the TableTechnical Expertise:5+ years experience working in the web3 space with a focus on architecture in the later yearsProficiency in Solidity, with at least 4 years of hands-on experience.Strong understanding of Bitcoin script and experience in designing decentralised applications (dApps).Extensive knowledge of Java, with additional skills in Rust and JavaScript being advantageous.Deep understanding of cryptographic principles and blockchain security practices.Familiarity with consensus algorithms (PoW, PoS, DPoS) and blockchain interoperability protocols.Experience with smart contract development, review and/or auditing, and best practices.Problem-Solving and Innovation:Demonstrated ability to address complex technical challenges proactively and innovativelyStrong analytical skills with the ability to assess the business impact of technical decisions.Passionate about staying ahead of emerging trends in the Blockchain space, consistently aware of new protocols and technologies, and able to introduce and discuss these innovations in brainstorming and design sessions.Leadership and Collaboration:Excellent communication and presentation skills, capable of explaining complex concepts to both technical and non-technical stakeholders.Outstanding organisational and time management skills, with the ability to work effectively as part of a diverse, global team.EducationBSc/BA in Computer Engineering or similarAdditional Skills: Fluent in English, with Spanish is a plus but not essential.What You’ll Get Back!Competitive salary100% remote working (contractor) from anywhere in the worldPossibility to work at your nearest WeWork spaceFlexible working hours. You’re free to work however you work bestOpportunity to work with state of art technology in a challenging and unique projectInternationally diverse and dynamic team with a clear vision and strategyTraining programs to learn everything about the crypto worldWeekly scientific moments by our Research & Innovation team to learn about technology, challenges, and solutions in the blockchain worldLanguage courses: English, Spanish or Portuguese.Employee assistance program offering legal, financial, family, psychological, and wellness counseling for you and your familyRootstockLabs Mission & PurposeOur purpose: Make Bitcoin work for everyone!Our mission: give developers the tools to build on Bitcoin, support the growth of the Rootstock ecosystem, and expand the frontiers of decentralised technology.

We are seeking a dynamic and passionate individual to join our team as a Web3 Consultant. In this role, you will play a crucial part in supporting both Web3 projects and enterprise adoption initiatives. As a Consultant, you will have the exciting opportunity to explore various fields of interest within the Web3 space, contributing to your professional growth while gaining exposure to the expansive Web3 ecosystem. Responsibilities:1.) Web3 Project Support:Collaborate with cross-functional teams to contribute to the development and implementation of Web3 projects.Support protocols within their business development and enterprise growth Build business cases create business presentation2.) Enterprise Adoption Projects:Work closely with clients to understand their business needs and provide consultancy on integrating Web3 technologies into their existing systems.Contribute to the development of strategies for the seamless adoption of decentralized technologies within enterprise environments.3.) Independent Exploration:Take ownership of personal projects and areas of interest within the Web3 domain, fostering innovation and creativity.Stay updated on the latest trends, technologies, and advancements in the Web3 space to bring fresh perspectives to the team.4.) Collaboration and Communication:Engage in effective communication with team members, clients, and stakeholders to ensure smooth project execution.Collaborate with the team to learn best practices and contribute to the success. Qualifications:Basic understanding of blockchain technology, smart contracts, and decentralized applications.Familiarity with Web3 protocols, such as Ethereum or other L1 Chains, L2 Chains etc,..Strong problem-solving skills and the ability to adapt to a rapidly evolving technology landscape.Excellent communication and interpersonal skills.