Own the end-to-end development of scalable web applications, ensuring high performance and reliability across the entire stack.
Architect and maintain robust backend services using Node.js and TypeScript to support complex climate asset orchestration.
Build intuitive, responsive front-end components using React that simplify fragmented market data for our global enterprise clients.
Design and optimize secure REST APIs and relational database schemas, specifically leveraging PostgreSQL for data-driven precision.
Drive software engineering excellence by implementing clean code practices, comprehensive testing, and maintainable architectures.
Deploy and manage cloud-based applications within AWS environments, utilizing CI/CD best practices to ensure continuous delivery.
Collaborate with cross-functional teams to integrate emerging technologies, including AI agents, into our core product offering.

5+ years of experience building and operating complex web applications in a production environment.
Expert-level proficiency in TypeScript and solid fundamentals in modern web development.
Proven track record with Node.js for backend services and React for modern front-end frameworks.
Experience with frameworks such as NestJS and Next.js is a plus.
Deep understanding of REST API design, including versioning, security, and long-term maintenance.
Strong experience in data modeling and performance optimization with relational databases, specifically PostgreSQL.
Commitment to software best practices, including version control via Git, rigorous code reviews, and automated testing.
Proactive, collaborative mindset with an interest in leveraging AI to solve complex engineering challenges.
Fluency in English is required.
A valid working permit in Portugal.

A mission that matters: Join an international team solving the world's most pressing climate challenges through specialized expertise in finance, technology, and climate assets.
Accelerated growth opportunities: CEEZER is growing fast
and we’re looking for people who want to grow with us. You’ll have opportunities to leverage your experience while expanding your skills through cross-functional initiatives.
A continuous learning culture: At CEEZER, everyone has the opportunity to own their role. See a better way to do something? Try it out. Interested in getting involved cross-functionally? Explore it. We’re building a world-class solution in a completely new market, and we encourage everyone to find our best practices
many don’t exist yet.
An empowering & diverse environment: We celebrate diversity of all kinds, and recognize the importance of each individual’s capacity to contribute to our mission and help us achieve our goals.
Enterprise grade-impact you can see: Be part of transforming how global enterprise companies approach climate assets. Our platform delivers unprecedented access to more than 10,000 global projects, backed by sophisticated data, rigorous risk and due diligence, and guided through expert support.
A net-zero career from day one: As of your first day, your professional and personal carbon footprint is removed. Because at CEEZER, sustainability isn't just our mission, it's how we operate.

Full Stack Engineer – f/d/m

Key skills