Backend Developer (Java/Spring Boot)

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 Brazil.

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.