N-iX is looking for a Senior Java 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 Backend Software Engineer will be responsible for architecting, developing, and maintaining the high-performance backend services that power the core platform. Leveraging deep expertise in Java and distributed systems, you will collaborate with cross-functional teams to deliver secure, scalable solutions while exploring and integrating cutting-edge blockchain technologies.
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.
- Research and prototype blockchain integration opportunities (e.g., node syncing, client tooling).
- Advocate for maintainable, modern infrastructure informed by industry best practices.
Required Qualifications
- Bachelor’s or Master’s degree in Computer Science or related field.
- At least 6+ 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.
- Interest or hands-on experience in blockchain, crypto infrastructure, or decentralized systems.
- 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.
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