Senior Frontend Engineer (React / TypeScript)

Link Group · IT Outsourcing & Dedicated Teams · Managed IT Services (MSP) · Bachelor's Degree · JavaScript · TypeScript · C# · 3 days ago

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Salary

$92k – $132k per year

Location

Hybrid (Poland)

Seniority

Senior · 6+ years exp

Confirmed on the employer's own hiring board on Nov 7, 2026. First seen by Alion on Nov 4, 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 Frontend Engineer (React / TypeScript)

Role Overview

We are looking for an experienced Frontend Engineer to develop and enhance modern, scalable web applications, with a strong focus on performance and user experience.

The role is approximately 80% frontend and 20% backend development. You will build new features, improve existing functionality, and contribute to application architecture, integrations, and database-related tasks.

The ideal candidate is independent, proactive, and comfortable working in a dynamic environment. Experience using AI-assisted development tools such as Claude or GPT is expected, with a strong focus on code quality, security, and maintainability.

Responsibilities

Develop and maintain web applications using React and TypeScript.
Build reusable UI components and scalable frontend solutions.
Implement new features and improve application performance.
Contribute to backend development, APIs, integrations, and database-related tasks.
Ensure code quality, security, and maintainability.
Take ownership of development initiatives and collaborate with technical and business stakeholders.
Use AI-powered tools to improve development efficiency while applying sound engineering judgement.

Requirements

6+ years of frontend development experience.
Strong knowledge of React, TypeScript, HTML, and CSS.
Understanding of application architecture and experience working across the full stack.
Backend development experience, preferably with C#/.NET or other object-oriented languages
Good understanding of APIs, databases, and application integrations.
Experience with AI-assisted coding tools, such as Claude or GPT.
Ability to work independently and deliver solutions from concept to production.
Strong analytical and communication skills.
Degree in Computer Science, Mathematics, Engineering, or a related field.

Nice to Have

Experience with AG Grid.
Familiarity with large datasets and complex database structures.
Experience with enterprise-level applications and CI/CD practices.

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