Senior Fullstack Engineer

Xayn

Senior Fullstack Engineer developing features for AI-driven legal solutions in a collaborative environment. Requires proficiency in JavaScript/TypeScript and backend languages with remote work flexibility.

Posted 5/4/2026full-timeRemote • 🇪🇺 Anywhere in EuropeSeniorWebsite

Tech Stack

Tools & technologies

AngularDockerJavaScriptNoSQLPostgresPythonReactRedisRustTypeScriptVue.js

About the role

Key responsibilities & impact

Design, develop, and maintain features across our front-end and back-end systems
Collaborate with product managers, designers, and fellow engineers to translate requirements into well-architected, reliable software
Write clean, tested, and well-documented code with a focus on maintainability and long-term quality
Participate in code reviews
Contribute to architectural decisions, helping evaluate trade-offs and choose the right tools for the job
Identify and resolve performance bottlenecks, bugs, and technical debt across the stack
Help improve engineering processes, tooling, and development workflows.

Requirements

What you’ll need

3 years of professional Software Development experience building and shipping web applications
Proficiency in modern JavaScript/TypeScript and at least one major framework (React, Vue, Angular, or similar)
Knowledge of accessibility best practices, plus
Solid experience with server-side languages and frameworks, understanding of RESTful API design
Familiarity with at least one of Rust, TypeScript, or Python in a backend context
Working knowledge of relational databases (e.g., PostgreSQL) and familiarity with NoSQL solutions (e.g., Redis)
Familiarity with containerization (Docker), CI/CD pipelines, and version control (Git)
Strong grasp of data structures, algorithms, system design principles, and software engineering best practices
Ability to communicate technical concepts clearly to both technical and non-technical stakeholders
Comfortable working in a collaborative, cross-functional environment
Fluent in the English Language.

Benefits

Comp & perks

100% remote work possible (given a German residence)
Flexible working hours
26 days vacation + December 24th & 31st off, + 1 additional vacation day per year of employment (up to 30 days)
Discounts (e.g., Urban Sports Club Membership)
Laptop (Lenovo or Mac)
€1,000 net home office setup budget (paid with your first salary)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaScriptTypeScriptReactVueAngularRustPythonRESTful API designPostgreSQLDocker

Soft Skills

communicationcollaborationproblem-solvingcode reviewarchitectural decision-makingperformance optimizationtechnical documentationstakeholder engagementprocess improvementteamwork