Senior Java Backend Engineer

atOnce For AllRemoteES flagSpainFull-timeBackend EngineerSenior€50k – €60k/year

Posted Sep 2

This is a fully remote position, open to applicants in Spain.

πŸ“‹ Description

β€’ Develop, construct, and sustain backend services, APIs, and essential platform components utilizing Java and Spring Boot.

β€’ Take ownership of intricate technical challenges from conception to production.

β€’ Guide scalable solution designs and play a key role in architectural decisions involving databases, caching, messaging, and distributed systems.

β€’ Enhance services for optimal performance, scalability, security, and resilience against faults.

β€’ Establish standards for code quality, testing, observability, and documentation.

β€’ Provide mentorship to Junior and Semi-Senior engineers through code reviews, design discussions, and technical guidance.

β€’ Address incidents, conduct root-cause analyses, and pinpoint opportunities for refactoring and reducing technical debt.

β€’ Leverage AI-powered development tools to enhance delivery speed, code quality, and team productivity.


⛳️ Requirements

β€’ Strong experience with Java and Spring Boot, including the broader Spring ecosystem (Spring Data, Spring Web).

β€’ A solid understanding of backend architecture, distributed systems, concurrency, and scalability patterns.

β€’ Familiarity with SQL databases, preferably PostgreSQL.

β€’ Proficient in designing and consuming REST APIs with appropriate error handling, versioning, and documentation.

β€’ A consistent practice of testing, including unit and integration tests (JUnit).

β€’ Practical knowledge of Git, CI/CD pipelines, and Docker.

β€’ A readiness and capability to mentor peers and enhance the technical standards of the team.

β€’ Excellent communication and decision-making abilities.

β€’ Bonus: experience with cloud platforms (AWS), observability stacks (Dynatrace, OpenTelemetry), event-driven architectures or messaging technologies (Kafka), and regular use of AI coding assistants.


🏝️ Benefits

β€’ Flexible working hours.

β€’ Intensive working schedule during the summer months.

β€’ Flexible benefits package.

β€’ A vibrant and inclusive workplace that offers opportunities for growth and development.

β€’ The opportunity to significantly influence our organizational culture and talent strategy.

People also viewed

RR Donnelley13 hours ago

AI Architect, Technical Lead

US flagIllinois OnlyFreelanceBackend Engineer$129.5k – $207.2k/year
ApplyView job
plotdesk14 hours ago

PHP Vibe Coder, Laravel

DE flagGermany OnlyFull-timeBackend Engineer€3,500 – €8,000/month
ApplyView job
CmdScale GmbH15 hours ago

Senior Rust Consultant, Engineer

DE flagGermany OnlyFull-timeBackend Engineer€70k – €85k/year
ApplyView job
Colsubsidio1 day ago

Docente Desarrollo Web, Back-End – Medio Tiempo

CO flagColombia OnlyFull-timeBackend EngineerCOP 2.2M/month
ApplyView job
Skillshare1 day ago

Staff Backend Engineer – Platform & Domain Foundations

CA flagCanada, +1 more countryFull-timeBackend Engineer
ApplyView job
Mindrift1 day ago

Senior Python Data Scraping Engineer – Freelance

RO flagRomania, +5 more countriesPart-timeBackend Engineer$40/hour
ApplyView job

Never miss a great job!

Get handpicked remote jobs straight to your inbox weekly.

Trusted by 7,400+ designers