Senior Java Software Engineer
N-iX
Senior Backend Software Engineer
Our 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 8 years of professional software engineering experience without a degree in Computer Science-related field, or at least 6 with an advanced degree in a different field.
- Strong communication skill and collaboration skills, motivation, problem solving mind set.
- 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.
- Hands-on experience with BDs, async messaging (Kafka, RabbitMQ, etc.), CI/CD stack
NB: This role requires working hours that overlap with the West Coast (PST) time zone. Candidates are expected to follow the schedules below (Monday–Friday), based on their location:
- LATAM: 11:00 – 20:00
- Colombia: 09:00 – 18:00
- Europe (EET): 12:00 – 21:00
- Europe (CET): 11:00 – 20:00
Please note that alignment with these working hours is an essential requirement of the role.
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
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