About our client
Our customer 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.

About TheRole

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 versátil

- 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

📌 Senior Java Software Engineer (España)
🏢 Reconocida empresa
📍 España