Senior Fullstack Engineer (Golang)

N-iX; Lisboa; Híbrido; EUR 45 000 - 70 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Competitive compensation

Professional development opportunities

Flexible working format

Education reimbursement

Corporate events and team buildings

Resumo da oferta

N-iX is seeking a Senior Full Stack Engineer in Lisbon, Portugal. The role involves designing and maintaining backend services in Go, building responsive web applications with React, and deploying applications on AWS. The ideal candidate has 5+ years of software development experience, strong skills in backend and frontend technologies, and familiarity with CI/CD processes. Attractive compensation and professional development opportunities are offered, along with flexible working arrangements.

Qualificações

• 5+ years of experience in software development, with significant full stack roles.
• Strong experience building backend APIs in Go.
• Solid experience with React as a primary frontend framework.

Responsabilidades

• Design and maintain backend services and APIs in Go on AWS.
• Build responsive single-page applications using React and Redux.
• Write automated tests for both backend and frontend components.

Conhecimentos

Backend development in Go

Frontend development in JavaScript

React

AWS deployment

REST APIs

Automated testing

Microservices

Ferramentas

Docker

CI/CD pipelines

Descrição da oferta de emprego

About our client

Our client builds a leading digital identity and fraud prevention platform used by banks, fintech companies, online marketplaces, and other regulated businesses worldwide. Their products combine biometric identity verification, document and image processing, and advanced fraud detection to help customers balance frictionless digital experiences with strong security and regulatory compliance. The company relies on AI, machine learning, and computer vision to power identity verification, mobile deposit, and liveness detection solutions used by thousands of organizations.

About the role

We are looking for a Senior Full Stack Engineer who is comfortable working across backend services in Go and modern web front ends. You will join a cross functional team that builds cloud native identity and fraud products on AWS. Your responsibilities will span from designing and implementing APIs in Go to building user facing features in modern JavaScript frameworks, ensuring secure, high performance experiences for both internal and external users.

What will you do?

• Design, develop, and maintain backend services and APIs in Go running on AWS using microservice and or serverless patterns.
• Build responsive single page and web applications using React and Redux and integrate them with backend APIs.
• Implement clean, reusable UI components and ensure good user experience, performance, and accessibility.
• Write and maintain automated tests for both backend and frontend parts of the solution and contribute to CI and CD automation.
• Work closely with designers, product managers, QA, and other engineers to refine requirements and deliver features end to end.
• Participate in technical design and architecture discussions and help define interfaces between services and front end applications.
• Contribute to documentation of APIs, front end components, and key technical decisions.
• Take part in Agile ceremonies and actively drive improvements in team processes and engineering practices.

Required skills and experience

• 5+ years of professional experience in software development, including significant time in full stack roles.
• Strong experience building backend APIs and services in Go
• Solid knowledge of JavaScript and proven experience with React as a primary frontend framework.
• Experience with a state management solution such as Redux, MobX or similar.
• Good understanding of HTML5, CSS3, and common UI patterns and best practices.
• Experience deploying and operating applications on AWS or another major cloud platform
• Practical experience designing and consuming REST APIs and familiarity with web security concepts such as authentication, authorization, and secure data handling.
• Experience working with relational and or NoSQL databases (DocumentDB is preferred).
• Strong communication skills and ability to collaborate effectively in a distributed environment.
• Knowledge of server side rendering frameworks or micro frontend architectures.
• Experience writing and maintaining automated tests for backend and frontend applications.
• Experience with microservices and serverless design patterns.

Nice to have

• Experience with TypeScript and more advanced frontend architecture patterns.
• Experience with Docker and CI/CD pipelines.
• Experience integrating with complex backends using gRPC or Protocol Buffers.
• Exposure to image processing, data pipelines, or machine learning powered features.
• Experience with Java as an additional backend language.
• Experience working in Agile product teams and methodologies.
• Previous work on SaaS products at scale in domains like digital identity, banking, or fintech.

What we offer

• Competitive compensation package and comprehensive benefits.
• Opportunities for professional development within an innovative international environment.
• Collaborative workplace culture using the latest technologies.

We offer

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits
• not applicable for freelancers