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Senior Full-Stack Engineer – Node.js, Svelte, React

Jobtailor

Berlin, State of Berlin, Germany

16 September 2026

Lead the design, development, testing, and deployment of complex frontend and backend features Build scalable, maintainable applications using TypeScript across client and server Develop and integrate RESTful APIs and server-side applications using Node.js and modern TypeScript frameworks Build modern, responsive user interfaces using Svelte/SvelteKit or comparable technologies Design and maintain relational database schemas, migrations, and performance-focused queries Collaborate with Product Managers, Designers, Engineers, and client stakeholders to translate business requirements into technical solutions Participate in architecture discussions, technical design decisions, and engineering standards and best practices Develop automated tests and contribute to application code quality and testing strategies Build and maintain CI/CD workflows and use Docker for consistent local and development environments Work with AWS cloud services and serverless architectures to deploy and operate production applications Research and evaluate technologies, tools, and methodologies to improve engineering productivity and product quality Use AI-assisted development tools for planning, coding, testing, debugging, and other engineering workflows Collaborate directly with clients through regular meetings, technical discussions, and product demonstrations Participate in daily standups and bi-weekly sprint cycles within a small, autonomous engineering team Requirements 5+ years of professional full-stack software development experience Expert-level proficiency with TypeScript, including advanced language features and complex type definitions Strong experience with server-side TypeScript and Node.js, including developing and consuming RESTful APIs Strong experience with Svelte, SvelteKit, React, Next.js, or a similar modern frontend framework Experience with relational databases and SQL, including schema design, migrations, and query optimization Strong understanding of software testing, code quality, and maintainable development practices Experience with modern CI/CD pipelines and Docker-based development workflows Familiarity with cloud platforms, particularly AWS, and experience deploying or supporting cloud-based applications Experience contributing to architecture and technical design decisions for production applications Strong communication and collaboration skills, with the ability to work directly with clients and translate business requirements into technical solutions Ability to work effectively and independently in a small, collaborative engineering team Demonstrated practical experience using AI development tools such as Claude Code, Cursor, GitHub Copilot, or similar tools Ability to clearly articulate the current capabilities and limitations of AI tools in software engineering, including accuracy, security, reliability, and responsible use Core Competencies Demonstrates expertise in full-stack software development with a strong focus on TypeScript, Node.js, and modern frontend frameworks like Svelte. Proficient in building scalable applications, integrating RESTful APIs, and utilizing cloud services such as AWS. Highest-signal resume keywords TypeScript Expertise Node.js Development Svelte/SvelteKit Framework AWS Cloud Services CI/CD Pipelines Hard Skills Full-Stack Software Development RESTful API Development Relational Database Design SQL Query Optimization Automated Testing Docker Workflows Architecture Design Code Quality Practices AI Development Tools Technical Design Decisions Soft Skills Strong Communication Collaboration Skills Client Engagement Industry Keywords Frontend Development Backend Development Software Testing Agile Methodologies Engineering Standards Tools & Technologies Svelte Node.js TypeScript AWS Docker CI/CD Tools AI-Assisted Development Tools #J-18808-Ljbffr