Java Backend Developer (with Shopify experience)

Caixa Mágica Software; Portugal; On-site; EUR 45,000 - 75,000; Full time

Benefits offered by this job

Tech equipment

Health and Life Insurance

Social events and team buildings

Training in latest technologies

Coffee, fruits, snacks

Growth opportunities

Training in latest technologies

Office coffee & snacks

Job summary

A global software engineering company in Portugal is looking for a Java Backend Developer with strong experience in Java and Shopify integration. This full-time position emphasizes backend development, API design, and mentoring skills. The role offers a permanent contract, health insurance, and opportunities for personal growth within a supportive team. A dynamic and young work environment with a focus on well-being and continuous learning ensures a fulfilling experience.

Qualifications

• Strong experience in backend development using Java and Micronaut.
• Experience in designing RESTful APIs.
• Mandatory Shopify experience.
• Knowledge of API Design & Integration, including OpenAPI and AsyncAPI specifications.
• Experience integrating systems with Shopify and understanding Shopify integration patterns.
• Experience with testing practices and quality assurance.
• Strong understanding of software architecture and design patterns, including: Domain‑Driven Design (DDD); Event‑driven architecture; Development of reusable components (e.g. catalogue validators).
• Ability to contribute to architectural decisions, API design and technical delivery.
• Experience mentoring and supporting other developers.
• Shopify experience is mandatory.

Responsibilities

• Design and develop RESTful APIs.
• Contribute to architectural decisions and technical delivery.
• Mentor other developers.

Skills

Backend development using Java

Micronaut

Gradle

Designing and developing RESTful APIs

Kafka

Event-driven architectures

API Design & Integration

OpenAPI and AsyncAPI specifications

Shopify integration patterns

Mentoring and supporting other developers

Event-driven

Architectural decisions

Mentoring

Job description

Java Backend Developer (with Shopify experience)

Global software engineering company with a presence in several countries and a strong focus on delivering tailor‑made technological solutions. The company values self‑organised teams, where autonomy and individual responsibility are core pillars. It is committed to building long‑term relationships with clients from different sectors, based on trust and proximity. Its services span areas such as software development, UX/UI, product management and cloud. The people‑first culture puts a strong emphasis on well‑being, continuous learning and work‑life balance.

What are we looking for?

• Strong experience in backend development using Java, Micronaut and Gradle;
• Solid experience in designing and developing RESTful APIs;
• Experience with Kafka and event‑driven architectures;
• Knowledge of API Design & Integration, including OpenAPI and AsyncAPI specifications;
• Experience integrating systems with Shopify and understanding Shopify integration patterns;
• Experience with testing practices and quality assurance;
• Strong understanding of software architecture and design patterns, including: Domain‑Driven Design (DDD); Event‑driven architecture; Development of reusable components (e.g. catalogue validators);
• Ability to contribute to architectural decisions, API design and technical delivery;
• Experience mentoring and supporting other developers;
• Shopify experience is mandatory.

What can you expect from us?

• A permanent job contract for a long term project;
• Tech equipment + SIM Card + personal smartphone;
• Health and Life Insurance;
• Social events and team buildings;
• The commitment of letting you grow with us, and be rewarded accordingly;
• A dynamic and young team that will be always there to support you;
• Training in the latest technologies;
• Coffee, fruits, snacks and a warm welcoming when you pass by the office.

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Software Development