Senior Back-End Engineer, DeFi Wallet

Paris, France
Full time
Office
Compensation is not specified
Role
Backend Engineer
Description

DESCRIPTION

Blockchain.com is the forefront software platform for digital assets globally. We are seeking Kotlin and Solidity Developers with expertise in blockchain protocols and EVM networks. As a backend engineer on the DeFi team, you will be involved in a variety of projects, such as enhancing our non-custodial wallets network support and developing smart contracts. Additionally, you will be tasked with integrating third-party vendors supplying data for crypto tokens, DApps, and DAOs and centralizing logic from wallet clients into backend services.

In the role of a Senior Back-End Engineer, your responsibilities include leading technical discussions, influencing the approach, and advocating for best engineering practices to positively impact the team's development.

RESPONSIBILITIES

  • Develop robust, reliable software to manage multiple networks and support our expanding range of products and users
  • Collaborate with an engineering team dedicated to maintaining high standards and deploying secure and high-performing systems
  • Engage directly with multiple blockchains in the core of Blockchain.com's solution
  • Utilize open source technologies like Docker, Kafka, and MySQL
  • Prioritize security in all aspects of the work
  • Collaborate with interdisciplinary teams to consistently deliver high-quality products
  • Optimize existing systems for scalability, extensibility, and performance while creating reusable, modular code for various Blockchain.com products

REQUIREMENTS

  • Integrity, the most essential quality for this role
  • Proficiency in Typescript, Solidity, and ideally Kotlin/JVM
  • Experience with Blockchain technologies, particularly EVM or non-EVM chains and defi protocols
  • Strong motivation, self-driven, and enthusiastic about cryptocurrencies
  • Comprehensive understanding of blockchain systems and ideally prior experience working closely with one
  • Ability to navigate novel challenges and curiosity to learn new technologies
  • Advocacy for best engineering practices, proficiency in multiple programming languages, and a practical approach to solving complex problems
  • Commitment to high levels of test coverage, technical documentation, and effective monitoring
  • Accountability for all assigned projects

COMPENSATION & BENEFITS

  • Competitive salary based on experience and equity in a leading company
  • Prime office location in Paris with mandatory on-site work for four days per week
  • Work from Anywhere policy
  • Opportunity to play a significant role and progress in a rapidly expanding technology company within an emerging industry
  • Unlimited vacation policy, inclusive of performance-based bonuses paid in cash
  • Company-issued Apple equipment
Skills Required
Avatar
Blockchain.com
Company size
Not specified
Location
United States
Description
Not specified

More Full-time Jobs

Show more

Listing Business Development Manager (Crypto, Japanese Speaking)

Delhi, India
Delhi, India
Full time
Remote
About the Company:
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Listing Business Development to drive growth by leading end-to-end sales initiatives and strategic collaborations in the blockchain and crypto sector, while coordinating cross-functional teams and staying ahead of market trends through continuous research and industry engagement.
About the Role:
- Identify new business opportunities, expand and execute strategic partnerships
- Look for new listing sales opportunities in Blockchain and crypto space
- Manage the listing sales pipeline, from researching, sourcing, contacting, negotiating, converting and following up with clients
- Liase and coordinate with marketing, product, customer support and operations teams to ensure smooth delivery of products
- Assess and monitor key indicators of cryptocurrency projects and evaluating the effectiveness of partnership and campaign initiatives
- Monitor market trends and conducting R&D in the cryptocurrency market
- Participate in overseas exhibitions and events as required and network with potential business partners
Requirements:
Business level Japanese proficiency
Minimum 1 year of BD/sales experience in crypto/blockchain space
Familiar with cryptocurrency or blockchain technology
Experience in managing a team
Experience in crypto coins listing or general business development experience in the crypto industry
Capabilities of develop global customer relationships independently
Good relationship with team and cross functional communication skill
Ideal Candidate:
Have a good sense of cooperation and working with a team
Able to act independently and proactively
Experience in customer negotiation
29,167-43,167
Monthly
See details

Listing Business Development

City Of Manila, Philippines
City Of Manila, Philippines
Full time
Remote
About the Company:
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Listing Business Development to drive growth by leading end-to-end sales initiatives and strategic collaborations in the blockchain and crypto sector, while coordinating cross-functional teams and staying ahead of market trends through continuous research and industry engagement.
About the Role:
- Identify new business opportunities, expand and execute strategic partnerships
- Look for new listing sales opportunities in Blockchain and crypto space
- Manage the listing sales pipeline, from researching, sourcing, contacting, negotiating, converting and following up with clients
- Liase and coordinate with marketing, product, customer support and operations teams to ensure smooth delivery of products
- Assess and monitor key indicators of cryptocurrency projects and evaluating the effectiveness of partnership and campaign initiatives
- Monitor market trends and conducting R&D in the cryptocurrency market
- Participate in overseas exhibitions and events as required and network with potential business partners
Requirements:
- Business level English
- Minimum 1 year of BD/sales experience in crypto/blockchain space
- Familiar with cryptocurrency or blockchain technology
- Capabilities of develop global customer relationships independently
- Good relationship with team and cross functional communication skill
- Fast learner, hard worker and team player
Ideal Candidate:
- Have a good sense of cooperation and working with a team
-Able to act independently and proactively
- Experience in customer negotiation
- Business level Japanese
3,500-4,000
Monthly
See details

Chief Technology Officer (Japanese Speaking)

Singapore
Singapore
Full time
Remote
Job description:
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time Japanese speaking Chief Technology Officer to lead our engineering team.As frequent communication with Japan and Vietnam entities is required, this role will require Japanese language proficiency and will be fully remote at the moment.
– Formulate strategy and establish the technical vision for the business
– Preparation of specifications and design documents for product development
– Project management of the development process, including quality control
– Define and refine engineering workflows, tech architecture and infrastructure 
– Build, develop, lead a world class engineering team
Requirements:
– Experience as a CTO or in a similar technology leadership role in cryptocurrency exchanges or brokerage firms.
– Strong leadership capabilities – with proven success of building, developing and leading an engineering team
– Experience in development using Python, PHP and NodeJS 
– Project management experience
– Business level English
– Business level Japanese language skills (JLPT N2 and above) to communicate with Japan and Vietnam entity without need for translator
Ideal Candidate:
– Has project management experience
– Has experience as CTO or similar role in a startup
– Knowledge and interest in cryptocurrency
Project Frameworks and Languages:
– Backend: nestJS(Node JS), Laravel (PHP),Python
– Database: Redis, My SQL
– Frontend: Vue JS
– Mobile: React Native, Android Native, Swift
– DevOps: Git, CI/CD, Docker, Jenkins, GitLabCD
– Cloud: AWS
 
 
15,000-20,000
Monthly
See details

Korean Growth Lead

Full time
Remote
Roles & ResponsibilitiesSynFutures is looking to hire a Korea Growth Lead assisting the management of local communities. Responsibilities include:Foster strategic partnerships on a regional scale, with a particular emphasis on marketing partners, key opinion leaders (KOLs), media networks, and web3 ecosystem projects. Continuously analyze performance and provide valuable feedback to enhance collaborative efforts.Proactively expand the user base, token holders, and communities prioritizing localized growth.Strategize and execute marketing schedules and events, meticulously measuring their effectiveness and return on investment (ROI).Develop and manage online community channels to facilitate effective communication and engagement.Solicit user and community feedback, acting as a liaison between the product manager, tech team, and community to drive continuous product improvements.RequirementsBachelor degree or above.At least 2-3 years experience in blockchain, cryptocurrency, or financial services, with a focus in marketing or business development.Language: Native Korean + English proficiency preferred. Other languages like Mandarin and Japanese are a plus.Passionate about blockchain and DeFi. Independently minded and self-motivated. For more details, please read: https://synfutures.notion.site/korea-growth-lead
4,200-6,700
Monthly
See details

KOL Business Development

City Of Manila, Philippines
City Of Manila, Philippines
Full time
Remote
About the Company
Bitcastle is a cryptocurrency exchange platform which aims to create a new age of exchange where everyone can use it safely and have fun. As we expand and take a more active approach to global expansion, bitcastle is looking to hire a Full-Time KOL Business Development to join our team.
 
About the Role
We are seeking a dynamic and results-driven KOL Business Development to drive user growth and enhance brand visibility for our exchange. In this role, you will be responsible for identifying, engaging, and nurturing relationships with local KOLs, influencers, communities, projects, and strategic partners to promote our platform.
- Identify and build relationships with local KOLs/influencers/, communities, projects, and other potential partners to promote the exchange in order to achieve user growth.
- As a representative of the exchange, to build and maintain a good relationship with KOLs and marketing channels to achieve long-term partnership
- Be responsible for the execution and performance of KOL marketing strategy, track and analyze results, and make adjustments to ensure optimal performance and maximum ROI.
- Stay updated with local industry developments trends, conduct market research and create strategies when required
- Attend events as a representative of the exchange when required, expand network and bring in more leads for the exchange
 
Requirements:
- Experience as KOL BD in similar companies/markets
- Understanding of cryptocurrency
- Fluent in English
 
Preferred Qualification:
- Japanese speaking proficiency
3,800-4,000
Monthly
See details