English-speaking Jest jobs in Berlin

Senior Software Engineer API (f/m/d) - Node.js, SQL

Berlin

Hybrid Full-time Senior

Strong Node.js and TypeScript skills, PostgreSQL schema design and query optimisation, ORM judgement, automated testing with jest or mocha, and Docker, Git and CI/CD basics. AWS or monitoring tool experience is a bonus.

Node.js, TypeScript, PostgreSQL, Jest, Docker, Git

Salesforce Developer (UI/UX) 12 Month FTC

Berlin

Hybrid Fixed-termFreelance Senior Relocation support

5+ YOE Strong, demonstrable experience building Lightning Web Components in production. Solid Apex, SOQL and Salesforce data model knowledge to support your components. Deep knowledge of Lightning Experience customisation: App Builder, …

Salesforce, Git, CI/CD, Figma, Jest, JavaScript

Senior Software Engineer (m/w/d)

Berlin

Remote Full-time Senior

5+ YOE 5+ years of professional software development, with production full-stack TypeScript experience. Great TypeScript and SQL skills. Our stack: React, react-admin, Next.js, NestJS, GraphQL (Apollo), TypeORM and PostgreSQL in an Nx …

TypeScript, SQL, React, Next.js, NestJS, GraphQL

Senior Fullstack Engineer (m/f/d)

Berlin

Full-time Senior

6+ YOE Du liebst Fullstack-Entwicklung mit einem starken Fokus auf Angular und hast einen hohen Anspruch an eine exzellente User Experience und hohe Code-Qualität. Du bringst mehr als 6 Jahre Berufserfahrung mit, insbesondere mit …

Angular, TypeScript, RxJS, Node.js, HTML, Sass

Full-Stack Developer - AI Trainer (Germany)

Berlin

Remote Part-timeFreelance Mid

3+ YOE Advanced professional written proficiency in English 3–7 years of professional software engineering experience Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go Backend or full‑stack …

Python, JavaScript, Java, C#, Go, pytest

Backend Engineer

Berlin

On-site Full-time

TypeScript, Node.js, NestJS, Jest, GraphQL, REST

Software Engineering AI Trainer (Germany)

Berlin

Remote Part-timeFreelance Mid

3+ YOE Advanced professional written proficiency in English 3–7 years of professional software engineering experience Strong proficiency in Python and JavaScript/TypeScript; working knowledge of Java, C#, or Go Backend or full‑stack …

Python, JavaScript, Java, C#, Go, pytest

React Engineer

Berlin

Remote Full-time Mid Relocation support

3+ YOE Education & Experience: Bachelor’s degree in Computer Science or related field, around 3+ years of experience in front-end development. Core Skills: Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and experience with one or …

JavaScript, HTML, CSS, React, Vue.js, Angular

Backend Engineer, Berlin

Berlin

Remote Full-time Relocation support

5+ years in backend engineering roles; Proficiency in Node.js and TypeScript; Strong experience with Supabase or equivalent PostgreSQL-based backend services; Hands-on experience with cloud platforms (e.g., GCP, AWS, Azure), …

Node.js, TypeScript, Supabase, PostgreSQL, Google Cloud, AWS

Fullstack Developer for PowerUs

Berlin

Remote Full-time Mid

3+ YOE Must have requirements Bachelor's or Master's degree in Computer Science / Engineering or related fields Great skill in analytical thinking Self-motivated and communicative At least 3 years of total experience working on backend …

Angular, TypeScript, MongoDB, Jest, Docker, Agile

Senior FullStack Developer / DevOps for PowerUs

Berlin

Remote Full-time Senior

3+ YOE Bachelor's or Master's degree in Computer Science / Engineering or related fields Great skill in analytical thinking Self-motivated and communicative At least 3 years of total experience working on backend and frontend Experience …

Docker, Angular, TypeScript, MongoDB, Jest, Agile