Java Shopify Developer

Aubay Portugal; Portugal; Remote; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Training Academy

Health insurance

Mental health platform

Team events

Language platform

Remote work in Portugal

Job summary

Aubay Portugal is seeking a senior Java backend developer to build robust services for high-traffic e-commerce platforms.

You will design and implement seamless Shopify and GraphQL integrations, work with cross-functional teams to define technical requirements, and contribute to scalable software architectures.

Fluent English, 6+ years of Java experience, and the right to work in Portugal are required; the role supports remote work across Portugal.

Qualifications

• At least 6 years of professional Java development experience in e‑commerce.
• Strong proficiency with Shopify and GraphQL APIs for integration.
• Experience designing scalable, high-availability software.
• Fluent English (B2+).
• Eligible to work in Portugal.

Responsibilities

• Develop and maintain robust Java backend services for high-traffic e-commerce.
• Design and implement seamless integrations with Shopify and GraphQL APIs.
• Collaborate with cross-functional teams to define requirements and ensure quality.
• Contribute to architecture and technical design of scalable applications.

Skills

Java

Shopify

GraphQL APIs

English (B2+)

Tools

Shopify API

GraphQL

Job description

At Aubay Portugal, we work daily with some of the largest organisations across sectors such as banking, insurance, telecommunications and energy, helping to build and evolve critical systems that support millions of users. We have been in Portugal since 2007 and are part of an international group with a presence in several European countries. More than technology, we build close relationships and deliver real-impact projects.

What will you do?

• Develop and maintain robust Java-based backend services for high-traffic e-commerce solutions.
• Design and implement seamless integrations with Shopify and GraphQL APIs to enhance platform functionalities.
• Collaborate with cross-functional teams to define technical requirements and ensure the delivery of high-quality software.
• Contribute to the architecture and technical design of scalable and performant e-commerce applications.

What are we looking for?

At Aubay, our focus is on professionals who bring both technical expertise and the right mindset:

• Proven professional experience of at least 6 years in Java development, ideally within an e-commerce context.
• Strong proficiency with Shopify and GraphQL APIs for integration and data management.
• Solid experience in designing, developing, and deploying scalable software solutions.
• Fluent communication skills in English (B2+ level).
• Eligibility to work in Portugal (Portuguese citizen or foreign national with valid work permit).
• Alignment with our corporate culture and a commitment to integrity and ethics are highly valued;
• Strong customer focus, teamwork, task prioritisation, and daily commitment are highly appreciated.

What can we offer?

At Aubay, we invest in your development and well-being:

• Continuous growth through our Training Academy, with technical and soft skills training, mentoring, tech communities, workshops and in-person meetups;
• Close support with regular feedback and a structured career advancement model;
• Comprehensive health insurance, including dental coverage, as well as access to a mental health platform and well-being initiatives;
• Team-oriented environment, including events and initiatives to promote connection and team spirit;
• Personal and family life support, from the moment your children are born and throughout their educational path;
• Access to a language platform with conversational classes in multiple languages;
• Project-tailored work model: Remote Portugal.

What will you find here?

• A close-knit and informal environment, where direct communication is preferred and people are valued;
• Recognition of your contribution, with initiatives that celebrate meaningful moments;
• Freedom to be yourself, without unnecessary formalities;
• Teams where knowledge sharing, collaboration and joint growth are a reality.