Front End Software Engineer

Job Description 
Full stack senior Front-end Software Engineer skilled in React, TypeScript, and modern web development to build end-to-end solutions. Someone who is excited to have end-to-end ownership of their domains, working within the full development cycle, and directly impacting the end user experience and value delivery promoting a product mindset by closely working with the business.  

• Co-create features in collaboration with other SW engineers, Product Analysts, UX specialist and data scientists.  

• Build scalable solutions, component-based architecture 

• Collaborate with other cross functional teams to deliver technical solutions 

• Contribute to the technical direction and frontend standards  

• Implement and ensure best practices to improve quality, performance  and observability 

 
Must Have Requirements: 

• Strong Frontend engineer experience (typically 5 -7) in an agile cross-functional team, ideally in a product- driven, customer facing environment (not just executing tickets). 

• Experienced across the full software development lifecycle 

• Core: Proficient with modern React ecosystem, Next JS (SSR/SSG), Storybook and TypeScript 

• Solid grasp of component architecture, performance optimization, and scalable code design. 

• State & Data Fetching:  GraphQL with Apollo Client and React Hook Form/Formik  

• Monorepo & Tooling:  Nx (monorepo orchestration, caching) 

• Testing: Jest, Testing Library 

• Data-driven by nature; you use metrics, A/B tests, and experimentation to validate decisions and continuously improve the user experience. 

• Committed to quality through testing (unit, integration, e2e,) and code reviews, and you use CI/CD pipelines as part of your workflow optimizations 

Nice to have Requirements: 

• React Native (app development) 

• Playwright and Cypress for e2e testing 

• Exposure to AI/ML models 

• Neo4J (if full stack, as the team has some components) 

• Infrastructure Awareness:  Terraform and Google Cloud (Cloud Build, Cloud Tasks, Open Telemetry tracing) 

• BFF/GraphQL stitching patterns. 

Soft skills/ Mindset:  

• You work in a structured, self-directed way 

• You are a strong communicator who thrives in cross-functional teams, collaborating closely with product managers, designers, and backend engineers  

• You’re a multiplier, like to collaborate with your team members and you like to be part of a team, not working alone or in the background 

• You see technology as a means of solving a real customer problem 

• You build it, you own it. You take full ownership from discovery to deployment to continuously improving based on user and performance data  

• You are eager to learn, you have an ambitious learning wish list and are open to giving and receiving feedback 

Stare Miasto k/Konina (PL)

Location: