Backend Developer (Java/Spring Boot)

Jobgether; Ireland; Remote; EUR 28,000 - 39,000; Full time

Benefits offered by this job

Salary: €3,000 gross per month (B2B)

Fully remote (Europe or LATAM)

Project through February 2027

Flexible schedule

Cross-functional team

Job summary

Partner company in Ireland is seeking a Backend Developer (Java/Spring Boot) to join a fully remote product team. You will build, test, and deploy backend services, APIs, and data layers with PostgreSQL using Hibernate/JPA, while collaborating with cross-functional teams in a distributed setup.

You will own features end-to-end from implementation through testing and release, with emphasis on clean code and strong collaboration.

Qualifications

• 3+ years of professional backend development experience.
• Experience with Java 21 is preferred.
• Hands-on experience with Spring Boot.
• Practical experience with Hibernate/JPA and ORM persistence.
• Good knowledge of PostgreSQL and SQL performance.
• Experience designing RESTful APIs.
• Automated backend testing experience.
• Familiarity with Git and code reviews.
• Experience with microservices and distributed systems.
• Cloud experience (AWS) is advantageous.

Responsibilities

• Develop backend applications using Java and Spring Boot.
• Build secure REST APIs for frontend and other systems.
• Design and maintain PostgreSQL schemas and data models.
• Implement and maintain microservices within distributed architectures.
• Integrate third-party and internal backend services.
• Ensure data accuracy and handle edge cases.
• Write automated tests and collaborate with QA.
• Own backend features from implementation to release.
• Collaborate with frontend, QA, DevOps, and product teams.
• Participate in code reviews and improve engineering practices.

Skills

Java

Spring Boot

PostgreSQL

Hibernate/JPA

REST APIs

Microservices

Git

AWS/Fargate

DDD/EDA (plus)

Tools

ECS/Fargate

Job description

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Developer (Java/Spring Boot) based in Ireland.

• Join a fully remote product development team working on modern digital products for ambitious organizations.

• You’ll build reliable backend systems, APIs, services, integrations, and database solutions using Java and Spring Boot.

• Your work will contribute directly to production features, with ownership extending from implementation through testing and release.

• You’ll collaborate closely with frontend, QA, DevOps, product, design, and client-side stakeholders in a cross-functional environment.

• The role offers meaningful autonomy while encouraging developers to challenge assumptions, communicate risks, and understand the wider product context.

• You’ll work on a project currently expected to run through February 2027, with the opportunity to apply modern engineering practices in a distributed team.

• This is an excellent fit for a mid-level backend engineer who values clean code, strong collaboration, technical ownership, and continuous learning.

Accountabilities

• Develop clean, maintainable, testable, and efficient backend applications using Java and Spring Boot.

• Design, build, and maintain secure, reliable REST APIs and backend services for frontend applications and other systems.

• Develop and maintain PostgreSQL database schemas, queries, indexes, migrations, data models, and persistence layers using Hibernate/JPA.

• Translate product and business requirements into robust backend functionality and well-structured business logic.

• Develop and maintain microservices within distributed backend architectures.

• Implement third-party integrations, internal services, and other backend integrations based on project requirements.

• Ensure data accuracy, consistency, validation, and correct handling of edge cases.

• Write and maintain automated tests and collaborate closely with QA engineers to ensure appropriate feature coverage.

• Take ownership of assigned backend features from implementation through testing, release, and delivery.

• Collaborate with frontend engineers, QA, DevOps, product managers, designers, and other backend developers to deliver complete product features.

• Identify and communicate unclear requirements, technical risks, dependencies, and potential blockers early.

• Participate in code reviews, pull requests, and collaborative development workflows.

• Contribute to improving engineering practices, code quality, maintainability, and team processes.

• Use AI-assisted development tools where appropriate to improve productivity while applying sound engineering judgment.

Requirements

• 3+ years of professional backend development experience.

• Strong practical knowledge of modern Java development; experience with Java 21 is preferred.

• Hands-on experience building backend applications and services with Spring Boot.

• Practical experience with Hibernate/JPA and ORM-based persistence.

• Good knowledge of PostgreSQL, relational databases, SQL, data modeling, and query performance.

• Experience designing, implementing, testing, and consuming RESTful APIs.

• Practical experience with automated backend testing and a strong understanding of testing as an integral part of software development.

• Comfortable using Git, pull requests, code reviews, and collaborative development workflows.

• Familiarity with microservices and distributed systems.

• Experience with Domain-Driven Design or Event-Driven Architecture is a plus.

• Familiarity with AWS or another cloud environment is advantageous, particularly experience with ECS/Fargate.

• Experience in Fintech, SaaS, HR, Payroll, ERP, AI-enabled products, or complex enterprise platforms is beneficial.

• Strong ownership and autonomy, with the ability to manage assigned features independently while knowing when to involve others.

• Strong communication and collaboration skills when working with technical and non-technical stakeholders.

• Ability to understand business requirements and translate them into reliable, well-structured backend solutions.

• Experience using AI-assisted development tools such as Claude Code or similar is a bonus.

• Fluent professional English is required.

• Spanish language skills are a significant advantage, particularly for collaboration with LATAM stakeholders.

• Comfortable working remotely and organizing your schedule around required collaboration windows.

Benefits

• Salary:€3,000 gross per month under a B2B contract.

• Project duration:Project-focused engagement currently expected to run through February 2027.

• Fully remote:Work remotely from Europe or LATAM.

• Flexible schedule:Standard 40-hour workweek with flexibility to organize your working hours around the team’s collaboration needs.

• Time-zone flexibility:Most working hours should overlap with the 9:00 AM–7:00 PM CET collaboration window.

• Cross-functional environment:Work closely with backend, frontend, QA, DevOps, product, design, and client teams.

• Autonomy:Take meaningful ownership of your work, manage responsibilities independently, and influence how solutions are delivered.

• Modern engineering practices:Work with contemporary backend technologies, cloud infrastructure, automated testing, microservices, and AI-assisted development tools.

• Remote collaboration:Join a distributed team with processes and tooling designed to support transparency and effective remote work.

• Professional growth:Develop your technical and product skills through continuous collaboration, problem-solving, and exposure to diverse digital projects.

• Collaborative culture:Work in an environment built around clarity, curiosity, growth, craftsmanship, care, and open communication.