Job VC
Senior Blockchain Software Engineer (#4968)
Technologies
Description
N-iX
is looking for a
Senior Blockchain Software Engineer
to join our team!
Our client is a leading, fully regulated US-based digital asset trading platform. They provide secure, low-latency access to cryptocurrency markets, acting as a bridge between traditional finance and the Web3 ecosystem.
Role Objective:
The Senior Blockchain Software Engineer will architect, develop, and maintain the high-throughput backend systems that power a core fintech platform. Utilizing deep expertise in Java and distributed systems, you will take ownership of advanced blockchain integrations, decentralized infrastructure, and crypto-native solutions within a highly secure and regulated environment. This role places a strong emphasis on blockchain technologies, offering opportunities to work on blockchain-based integrations, decentralized systems, and crypto infrastructure, making it ideal for engineers passionate about advancing blockchain innovation.
Key Responsibilities
Design, build, and maintain high-throughput backend services and APIs in Java.
Drive architecture discussions to enhance system scalability, resiliency, and performance.
Prioritize security and compliance as core aspects of service design and delivery.
Collaborate with product, security, DevOps, and compliance teams on cross-functional initiatives.
Mentor engineers and lead by example with high engineering standards and best practices.
Lead research, prototyping, and implementation of blockchain integration opportunities (e.g., node syncing, client tooling, smart contract interactions).
Advocate for maintainable, modern infrastructure informed by industry best practices.
Maintain up-to-date documentation of test results and report test coverage and defect trends
Required Qualifications
Bachelor’s or Master’s degree in Computer Science or related field.
Ideally ~8 years of professional software engineering experience
Strong proficiency in
Java
and experience with modern frameworks and distributed systems.
Experience with
performance optimization
(e.g., low-latency systems, microservices).
Knowledge of security and compliance best practices in
financial or regulated contexts.
Deep interest and/or
hands-on experience in blockchain, crypto infrastructure, or decentralized technologies
(e.g., EVM-based networks, consensus protocols).
Strong collaboration and mentorship skills in a fast-moving, cross-functional environment.
Previous background in the FinTech, Crypto, or Web3 sectors
Strong collaboration and mentorship skills in a fast-moving, cross-functional environment.
Upper-intermediate English proficiency is required, along with native proficiency in Spanish or Portuguese.
Preferred Qualifications
Exposure to test automation frameworks and tools (Selenium, Cypress, Postman, or Maestro).
Experience with API testing and integrating QA processes into CI/CD pipelines..
We offer*:
Flexible working format — remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits
*not applicable for freelancers
is looking for a
Senior Blockchain Software Engineer
to join our team!
Our client is a leading, fully regulated US-based digital asset trading platform. They provide secure, low-latency access to cryptocurrency markets, acting as a bridge between traditional finance and the Web3 ecosystem.
Role Objective:
The Senior Blockchain Software Engineer will architect, develop, and maintain the high-throughput backend systems that power a core fintech platform. Utilizing deep expertise in Java and distributed systems, you will take ownership of advanced blockchain integrations, decentralized infrastructure, and crypto-native solutions within a highly secure and regulated environment. This role places a strong emphasis on blockchain technologies, offering opportunities to work on blockchain-based integrations, decentralized systems, and crypto infrastructure, making it ideal for engineers passionate about advancing blockchain innovation.
Key Responsibilities
Design, build, and maintain high-throughput backend services and APIs in Java.
Drive architecture discussions to enhance system scalability, resiliency, and performance.
Prioritize security and compliance as core aspects of service design and delivery.
Collaborate with product, security, DevOps, and compliance teams on cross-functional initiatives.
Mentor engineers and lead by example with high engineering standards and best practices.
Lead research, prototyping, and implementation of blockchain integration opportunities (e.g., node syncing, client tooling, smart contract interactions).
Advocate for maintainable, modern infrastructure informed by industry best practices.
Maintain up-to-date documentation of test results and report test coverage and defect trends
Required Qualifications
Bachelor’s or Master’s degree in Computer Science or related field.
Ideally ~8 years of professional software engineering experience
Strong proficiency in
Java
and experience with modern frameworks and distributed systems.
Experience with
performance optimization
(e.g., low-latency systems, microservices).
Knowledge of security and compliance best practices in
financial or regulated contexts.
Deep interest and/or
hands-on experience in blockchain, crypto infrastructure, or decentralized technologies
(e.g., EVM-based networks, consensus protocols).
Strong collaboration and mentorship skills in a fast-moving, cross-functional environment.
Previous background in the FinTech, Crypto, or Web3 sectors
Strong collaboration and mentorship skills in a fast-moving, cross-functional environment.
Upper-intermediate English proficiency is required, along with native proficiency in Spanish or Portuguese.
Preferred Qualifications
Exposure to test automation frameworks and tools (Selenium, Cypress, Postman, or Maestro).
Experience with API testing and integrating QA processes into CI/CD pipelines..
We offer*:
Flexible working format — remote, office-based or flexible
A competitive salary and good compensation package
Personalized career growth
Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
Active tech communities with regular knowledge sharing
Education reimbursement
Memorable anniversary presents
Corporate events and team buildings
Other location-specific benefits
*not applicable for freelancers