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# Java Software Engineer

- **Company:** Nexthink
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Continuous Integration, DevOps, Distributed Systems, Performance Tuning, RabbitMQ, Blockchain, Service Design, Software Engineering, Web Application Frameworks, Backend, Information Technology, Low Latency, Apache Kafka, Microservices
- **Published:** August 10, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

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

## Description

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., 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.


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