Senior Full-Stack Java + React Engineer (AWS, Next.js)

6101 ATS,S.A. Company; Lisboa; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Accenture is seeking a Senior Full Stack Engineer in Lisbon, Portugal, combining frontend and backend development with Java, Spring Boot, React, and Next.js. The role emphasizes cloud-first solutions on AWS, microservices, and secure, scalable enterprise applications.

You will collaborate with cross-functional teams in an agile environment to deliver end-to-end features. Senior Engineer with 5+ years of experience will drive architectural decisions, mentor teammates, and ensure quality through

Qualifications

• Expert proficiency in Java, Spring Boot, React.js and Next.js.
• Hands on experience in Hibernate ORM and RESTful API design and development.
• Advanced proficiency in Amazon Web Services (AWS).
• Strong knowledge of microservices architecture and cloud-native application development.
• Experience building scalable, secure, and maintainable enterprise applications.
• Solid understanding of software engineering best practices, design patterns, CI/CD, and Agile methodologies.
• Advanced English communication skills (C1 or above).

Responsibilities

• Design, develop, and maintain end-to-end enterprise applications using Java, Spring Boot, React, and Next.js.
• Build and consume RESTful APIs and microservices to support modern distributed architectures.
• Develop cloud-first solutions leveraging AWS services and best practices.
• Implement scalable, secure, and maintainable backend services and frontend applications.
• Collaborate with product owners, architects, designers, and engineering teams to deliver high-quality solutions.
• Analyze complex technical challenges and propose innovative solutions that improve system performance, scalability, and user experience.
• Act as a Subject Matter Expert (SME) for Full Stack development technologies and engineering best practices.
• Support and mentor team members, contributing to technical excellence and continuous improvement initiatives.
• Participate in architectural discussions and contribute to key technical decisions across multiple teams.
• Ensure software quality through automated testing, code reviews, and adherence to development standards.
• Evaluate and adopt emerging technologies to drive innovation and improve project outcomes.

Skills

Java

Spring Boot

React.js

Next.js

Hibernate ORM

RESTful APIs

AWS

Microservices

CI/CD

Agile methodologies

English (C1+)

Tools

RESTful API design

Job description

Accenture is seeking a Senior Full Stack Engineer in Lisbon, Portugal, combining frontend and backend development with Java, Spring Boot, React, and Next.js. The role emphasizes cloud-first solutions on AWS, microservices, and secure, scalable enterprise applications.

You will collaborate with cross-functional teams in an agile environment to deliver end-to-end features. Senior Engineer with 5+ years of experience will drive architectural decisions, mentor teammates, and ensure quality through