Our client is a global, AI-enabled consulting and software engineering company, with over 1,100 professionals across nine locations worldwide, and they are looking for a Senior Fullstack Software Engineer | React (Next.js) & Java tobe responsible for building fluid and responsive user interfaces for multiple platforms and devices, solving complex problems and creating seamless user interactions to world-class standards.
Responsabilities:
- Developing performant, resilient and secure services/functions/components
- Building and handling asynchronous and event-driven workflows
- Creating testable code and making testing a priority
- Being passionate, self-driven and working with little supervision towards a common team or company purpose
- Care about all the steps your code goes through from your machine to production, and know about or are curious of technologies like containers
Requirements
- 5+ years of work experience in software engineering
- Strong hands-on experience with TypeScript and contemporary JavaScript frameworks/platforms such as React, Next.js, and Node.js
- Strong hands-on experience with Java and Springboot
- Experience using AWS, CI/CD, CDK/Serverless
- Writing semantic and accessible HTML
- Good knowledge of protocols and architectural patterns like HTTP, REST and/or GraphQL
- Experience working with SQL and NoSQL data stores
- Familiarity with service oriented architectures, design patterns and data structures
- Working experience with code versioning tools like Git in a continuous delivery process
- Ability to use code quality tools like linters, type checkers and static analysers
- Comfortable with agile methodologies such as Scrum and Kanban
- Fluency in English
Benefits
- Employment Contract;
- Health Insurance;
- Meal Card;
- Gym Ticket;
- Remote work (Mandatory residence in Portugal).
Top Skills
What We Do
Alongside | Build Great Products with Great Teams
Alongside helps VC-backed start-ups, scale-ups and digital-first enterprises accelerate their roadmaps by assembling elite, time-zone-aligned teams of software engineers, product managers and UX/UI designers, often in under 14 days. Our Porto HQ sits in Europe’s fastest-growing tech hub and taps a vetted global talent pool that lets you ship faster, reduce burn and stay laser-focused on product-market fit.
Why high-growth companies choose Alongside
• Top 1 % practitioners: rigorously screened full-stack, mobile, blockchain & AI/ML engineers, plus senior designers and product leaders. 
• Flexible engagement models: scale a single specialist, an entire squad, or an autonomous build-and-ship pod.
• End-to-end ownership: discovery → design → development → launch, with weekly velocity reports and transparent KPIs.
• Cost-efficient remote talent: New York, Porto, Pune & Hanoi offices give you round-the-clock progress without Silicon-Valley price tags. 
• Proven track record: core Alongside team took Arkive, the world’s first decentralised museum, from idea to funded product. We helped Circuit Security to secure 4.5M in funding and many other startups.
