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Open nowFirst seen 2 hours ago

Fullstack Java + React Developer (Java/Spring Boot/React + AI Tooling) - Portugal Remote

HumanIT Digital Consulting113 open roles

Where
Porto, Portugal
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Your applicationOpen nowFullstack Java + React Developer (Java/Spring Boot/React + AI Tooling) - Portugal RemoteHumanIT Digital Consulting · Porto, Portugal

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  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on HumanIT Digital Consulting's own form.

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The clock on this job

Early applications get read.

11.8% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.4%3 days
  3. 11.8%7 days
  4. 18.6%14 days
  5. 35.6%30 days
  6. 45.1%60 days
This job: first seen 2 hours ago

The posting

ABOUT THE OPPORTUNITY

We are looking for two Full Stack Engineers — one Senior and one Mid-level — to help build, evolve and operate scalable digital products that deliver real value to customers and internal teams. You will work across the full stack, contributing throughout the software development lifecycle: from API design and distributed backend services to modern, accessible web interfaces. This role combines strong hands-on engineering across the Java and JavaScript ecosystems with the practical use of approved AI-assisted development tools as part of a modern engineering workflow. You will own features end to end, in a team where technical decisions are discussed rather than dictated.

PROJECT & CONTEXT

The client is a well-established player in the retail sector, operating large-scale, high-traffic digital platforms where performance, reliability and scale are daily engineering concerns. The ecosystem is built on distributed, containerised services with a modern React/Next.js frontend layer and a mature CI/CD and observability culture. AI tooling is an established part of how the team works — not an experiment — and engineers are expected to use it critically, validating and improving what it produces. You will join a product-oriented team with a stable roadmap and a platform used by a large customer base.

WHAT WE'RE LOOKING FOR (Required)

AI-assisted engineering

  • Practical experience using AI tooling to support development activities: code generation and refactoring, test creation and automation, documentation generation, code analysis and review, and technical investigation
  • Ability to review, validate and improve AI-generated output to ensure quality, security and maintainability

Backend

  • Strong commercial experience developing software with Java (recent versions — Java 17 LTS or above) and Spring Boot 3.x
  • Experience building and operating distributed systems, RESTful APIs and microservices
  • MySQL 8 — schema design, query optimisation and performance tuning
  • AWS — building, deploying and maintaining cloud-native applications

Frontend

  • Strong commercial experience with JavaScript and TypeScript
  • Experience building modern web applications with React 18
  • Strong understanding of web performance, accessibility and responsive design

Engineering practices

  • Strong understanding of software engineering best practices, testing, code quality and maintainable code
  • Strong understanding of CI/CD practices and modern software delivery approaches
  • Experience with containerisation technologies
  • Understanding of infrastructure, monitoring and observability practices
  • Strong problem-solving skills and the ability to contribute effectively in a collaborative, cross-functional team
  • Fluent English, spoken and written (working language of the project)

NICE TO HAVE (Preferred)

  • Next.js in production environments
  • Kubernetes and container orchestration platforms
  • Apache Kafka or other event-streaming technologies
  • Modern observability and monitoring tooling
  • Experience in large-scale digital, retail or eCommerce environments
  • AWS certifications
  • Portuguese language skills

Compensation: €2000 – €2600/month net, depending on experience and seniority level.

Why HumanIT people stay (4.4 Glassdoor, 89% recommend)

  • 15th month salary
  • Health insurance covering your family
  • Birthday off
  • Mobility program for digital nomads
  • Real work-life balance
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