Senior Fullstack Developer

Link Group · IT Outsourcing & Dedicated Teams · Managed IT Services (MSP) · Python · JavaScript · TypeScript · 5 days ago
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Salary
$56k – $66k per year
Location
Remote (Poland)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Oct 23, 2026. Link Group scores B on the Alion truth index.

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Link Group

Link Group is a Polish technology services company founded in Warsaw in 2016 that builds and supplies engineering teams to clients across Europe. Its model combines body leasing and managed teams with delivery of complete software, cloud and cybersecurity projects, drawing on a large bench of contractors rather than a fixed permanent staff. The company works heavily in financial services, telecommunications and public sector projects, and has built a specialisation in blockchain and distributed ledger engineering alongside more conventional cloud and application development work.
linkgroup.co · HQ: Warsaw, Poland · Managed IT Services (MSP) · IT Outsourcing & Dedicated Teams · IT Staffing & Staff Augmentation · 1001-5000 employees · Est. 2016

Senior Full-Stack Engineer (Next.js, Python & GenAI)

Role Overview

We are looking for a Senior Full-Stack Engineer to own features end to end, from implementation and testing to production. You will work across frontend, backend, event-driven systems, and GCP, while defining frontend standards and integrating GenAI capabilities.

Requirements

  • 5+ years of full-stack development experience.
  • Strong React, Next.js, TypeScript, MUI, and TanStack Query skills.
  • Experience with data visualisation, including charts, dashboards, and 3D.
  • Production experience building Python APIs (FastAPI or similar).
  • Knowledge of event-driven systems, message queues, SSE, and WebSockets.
  • Experience building GenAI integrations and agentic workflows using Google ADK, LangChain, or similar frameworks, including streaming results to the UI.
  • Familiarity with observability: logging, metrics, tracing, and frontend monitoring.
  • Strong ownership, problem-solving, and communication skills.
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