Xayn

Senior Fullstack Engineer – Legal AI Tech

Xayn

full-time

Posted on:

Location Type: Remote

Location: Poland

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Job Level

Senior

Tech Stack

AngularDockerJavaScriptNoSQLPostgresPythonReactRedisRustTypeScriptVue.js

About the role

  • 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

  • Fluent English
  • 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 is a plus
  • Solid experience with server-side languages and frameworks as well as an understanding of RESTful API design
  • Familiarity with Rust, TypeScript and Python for backends
  • Working knowledge of relational databases (we use 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
Benefits
  • Flexible working hours
  • 26 vacation days + December 24th & 31st off + 1 additional vacation day per year of employment (up to 30 days)
  • 100% remote work within the EU
  • €1,000 home office setup budget (paid with your first salary)
  • Laptop (Lenovo or Mac)
  • Urban Sports Club & other employee discounts (depending on location)
  • Unlimited contract
  • Company-standard benefits package
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
JavaScriptTypeScriptReactVueAngularRustPythonRESTful API designdata structuresalgorithms
Soft Skills
communicationcollaborationproblem-solvingtechnical documentationcode reviewarchitectural decision-makingperformance optimizationprocess improvementstakeholder engagementcross-functional teamwork