Full Stack Developer (TypeScript & Next.js)

Cactus; Barcelona; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading tech company in Barcelona seeks a Full Stack Developer with strong experience in TypeScript, Next.js, and AWS. You will develop cutting-edge features, build automated tests, and manage infrastructure. We value excellent English communication and a proactive mindset. The position offers a competitive salary, flexible hours, and opportunities for professional growth.

Servicios

Flexible working hours

Learning opportunities

Team events

Formación

• Strong experience with TypeScript, Next.js, and NestJS.
• Proficiency with AWS, especially ECS, Lambda, and event-driven services.
• Hands-on experience with automated testing frameworks.

Responsabilidades

• Develop and maintain features across Next.js and NestJS.
• Build and maintain strict automated tests using Jest and Vitest.
• Ensure observability and traceability using CloudWatch.

Conocimientos

TypeScript

Next.js

NestJS

AWS

Automated Testing

Python

Communication in English

Herramientas

GitHub Actions

CloudWatch

PostgreSQL

ClickHouse

Descripción del empleo

We’re seeking a Full Stack Developer who thrives in a modern, high-standard engineering environment. This role is ideal for someone who not only writes robust code but also takes ownership of infrastructure, automated testing, and CI / CD. Strong communication in English and a challenger attitude are musts.

What You Will Do

• Develop and maintain features across Next.js (frontend) and NestJS (backend) in a TypeScript monorepo.
• Contribute to Python-based AWS Lambda microservices as needed.
• Build and maintain strict automated tests using Jest and Vitest (you own your tests).
• Contribute to and maintain infrastructure as code using GitHub Actions and AWS CDK.
• Ensure observability and traceability using CloudWatch.
• Manage data flow using Neon (PostgreSQL OLTP), ClickHouse (OLAP), SNS / SQS, and EventBridge.
• Collaborate effectively in a fast-paced, remote-friendly team using GitHub for version control and issue tracking.

What We Expect

• Strong experience with TypeScript, Next.js, and NestJS.
• Proficiency with AWS, especially ECS, Lambda, and event-driven services (SNS, SQS, EventBridge).
• Solid understanding of IaC with AWS CDK and CI / CD using GitHub Actions.
• Hands-on experience with automated testing (Jest / Vitest or Pytest).
• Familiarity with Neon, ClickHouse, and relational DB design.
• Experience with Python for cloud-native apps and data workflows.
• Excellent English communication skills – written and spoken.
• Self-driven and proactive, not afraid to challenge the status quo.

What We Offer

• Working with international clients.
• An environment to develop your professional capabilities and take ownership.
• Collaboration with a team of open, dynamic, and international experts.
• Full-time position with a competitive salary and benefits, including learning opportunities.
• Flexible working hours.
• Get together at team events.