Senior Frontend Developer (React)

Sunscrapers Sp. z o.o.

26 00030 000 net (+ VAT) / mth.
  • Lower Silesia

    Lower Silesia
  • offer expired over a month ago
  • B2B contract
  • full-time
  • senior specialist (Senior)
  • home office work, hybrid work
  • remote recruitment

Technologies we use


  • React.js

  • TypeScript

  • CSS


  • Docker

  • Angular.js

  • Zeplin

  • Figma

  • Cypress

  • Jest

About the project

We’re looking for a Senior Frontend Developer (React) to join our team in Warsaw or remotely.

The client is an early-stage venture capital firm focused on intelligent business software with a Scaling Platform that has helped companies like Box,, Hubspot, Docusign, JFrog, and WalkMe move from founder-led growth to a repeatable go-to-market machine. As a Senior Frontend Engineer you’ll build and maintain the internal portfolio management and finance reporting application for the US-based venture capital firm. Your goal will be to develop a new frontend app replacing the old one, implement new features and gradually replace other old side frontend applications.

Your responsibilities

  • Building new React application based on the legacy AngularJS code

  • Developing new features according to the design with performance and UX in mind

  • Collaborating with other frontend and backend devs to define schemas and required changes to existing backend API

  • Close collaboration with Designer and Product Manager to assess new designs feasibility

  • Taking care of frontend app security (regular penetration tests every 6 months) and frequent dependencies updates

  • Helping and training QA team with cross browser and automated testing

  • Maintenance of legacy AngularJS (v1) services until they’re rewritten or migrated to the new app – probably less than 5% of your time engagement

Our requirements

  • Expertise in TypeScript

  • Proficiency in React its latest ecosystem, like hooks, react-query etc

  • Proficiency in CSS and related tooling (Sass or Less)

  • Experience with designing and consuming REST APIs

  • Excellent command in spoken and written English, at least C1

  • Attention to detail and sense of aesthetics, from clean code to beautiful UI

  • Experience in creating automated tests (unit and e2e)


  • Proficiency in using Docker and docker-compose

  • Experience with tabular / grid data components (new app uses AG Grid)

  • Experience with AngularJS (v1) and its tooling

  • Experience with tools like Figma and Zeplin

  • Experience with Cypress and Jest or equivalent tools

  • Knowledge of JWT authentication or alternative protocols

This is how we organize our work

Team size

  • 5-6

This is how we work

  • in house
  • at the client's site

Development opportunities we offer

  • mentoring

  • technical knowledge exchange within the company

What we offer

  • Renowned global clients - Work with exciting scaleups and enterprises from USA, Western Europe and Scandinavia

  • Culture of feedback - We foster open communication based in frequent mutual feedback

  • Flexibility - Work remotely or from the office with an elastic work schedue

  • Personal development - Engineering open spaces with CTO will help you develop your skills

  • Medicover & Multisport - Stay healthy and fit with private healthare package and access to 4000+ sport facilities


  • sharing the costs of sports activities

  • private medical care

  • remote work opportunities

Recruitment stages

General interview (30-45 minutes)


Meeting with a Product Owner (1 hour)


Technical interview (1 hour)



Join our team!

Apply today - your dream job is just few clicks away!

Sunscrapers Sp. z o.o.

A software development shop with over a decade of experience in developing software solutions, building tech teams and educating the programmers community.

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