Java Software Engineer

Nexthink
Barcelona, Spain
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience required
8 years minimum
Working hours
Shift work
Job source

Tech stack

Java (Programming Language) Application Programming Interfaces (APIs) Continuous Integration DevOps Distributed Systems Performance Tuning RabbitMQ Blockchain Service Design Software Engineering Web Application Frameworks Backend
+4 more
Information Technology Low Latency Apache Kafka Microservices

Job 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.

Requirements

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

Benefits & conditions

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 Inscribirse en esta oferta Recibir ofertas similares por correo electrónico Al crear una alerta, aceptas nuestros Términos y condiciones y Política de privacidad, y el uso de cookies.

About the company

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.

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.adzuna.es

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

2:17 min

Mapping the maturity roadmap for scaled devops adoption

Dominik Krichbaum Dominik Krichbaum · WWC Europe 2026

1:52 min

Structuring and scaling the backend engineering team

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

49 sec

Processing asynchronous event streams via standard messaging patterns

Patrick Koss Patrick Koss · WWC 2024

1:20 min

Identifying multi-disciplinary talent for developer experience engineering roles

Hazal Mestci +1 · Coffee With Developers

3:18 min

Scaling global network engineering through DevOps culture

Stuart Clark · LIVE

1:06 min

Developer experience and project variety at scale

Alexandra Petri · WWC 2023

Videos

See all

Related articles

See all