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Signify Technology

Senior Full-Stack Developer (Freelance)

Signify Technology
Lithuania · Contract · Not Applicable

Job title: Senior Fullstack Engineer

Job type: Contract

Contract length: 12 months (initial)

Rate: TBC

Role location: Remote (Must be in the EU)

The company: A well-established European fintech business operating across multiple countries, focused on payment solutions for e-commerce and retail. With a team of 700+ across several European offices, they are building a unified commerce platform used by businesses across the continent.

Role And Responsibilities

  • Architect, develop, and maintain end-to-end fullstack solutions using TypeScript, Node.js, and Vue.js
  • Build and scale microservices with a focus on performance and reliability
  • Implement Infrastructure as Code (IaC) using Terraform or Pulumi
  • Manage cloud infrastructure on GCP, leveraging Kubernetes for container orchestration
  • Build and maintain CI/CD pipelines (CircleCI, GitHub Actions, ArgoCD)
  • Monitor and troubleshoot system performance using observability tooling (e.g. Datadog)
  • Deliver responsive, mobile-first, cross-browser UIs to a high standard
  • Collaborate closely with product, design, and engineering teams
  • Mentor junior team members and support knowledge sharing across the team


Job Requirements

  • 6+ years of fullstack development experience with strong TypeScript and Node.js skills
  • 2+ years of experience with Vue.js (or comparable frameworks such as React or Angular)
  • Solid understanding of microservices architecture and relational/NoSQL databases (e.g. PostgreSQL)
  • Hands-on experience with GCP, Kubernetes, and containerised deployments
  • Proficiency with CI/CD tooling and testing frameworks (Jest, Cypress)
  • Experience with component libraries, design systems, and frontend architecture best practices
  • Strong communicator with a collaborative, mentoring mindset
  • Fintech or payments industry experience is a plus

Key Skills

Ranked by relevance

microservices kubernetes typescript cicd gcp infrastructure as code product design design systems postgresql responsive terraform circleci angular datadog react cloud
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Posted
May 08, 2026
Type
Contract
Level
Not Applicable
Location
Vilnius

Industries

Staffing Recruiting

Categories

Engineering Information Technology

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