Tech Lead React

September 23, 2026

Remote

Lead

Warszawa, Poland

Description

The role is a Tech Lead React position in a software house developing modern electronic banking solutions. The focus is on the technical direction, architecture and engineering standards of React-based frontend applications, including payments, account opening, card servicing and API integrations. The project runs on modern technologies and a microservice architecture within an interdisciplinary Agile/Scrum team. Engagement terms are flexible — hybrid or fully remote — with long-term project involvement.

Responsibilities

Take responsibility for the technical direction of React frontend application development
Design and develop scalable frontend application architecture
Make technical decisions and select appropriate solutions and technologies
Design and develop frontend components and modules
Integrate React applications with backend services exposed via REST API
Ensure reusability, performance, security and maintainability of the written code
Define and develop programming standards and good practices
Actively participate in code review and in architectural and technical solution reviews
Identify and resolve technical problems and support the team in solving them
Mentor and provide technical support to other team members
Create and develop automated tests for frontend applications
Collaborate with backend developers, analysts, testers, architects and the DevSecOps team
Contribute to designing solutions for electronic banking
Ensure the technical consistency of the developed modules and applications
Work in Agile/Scrum teams

Requirements

Minimum 5 years of commercial experience building frontend applications
Experience acting as a Tech Lead or owning the technical direction of a project or area
Very good knowledge of JavaScript and TypeScript
Very good knowledge of React and experience building and evolving web applications
Experience designing the architecture of frontend applications
Experience making technical decisions and defining standards and good practices
Experience integrating applications with REST API
Practical knowledge of HTML5 and CSS3
Practical knowledge of Git
Experience working with CI/CD processes
Knowledge of the principles of designing responsive user interfaces
Experience in code review and providing technical support to other developers
Ability to collaborate with backend teams, QA, DevSecOps and other technical roles
Experience working in Agile/Scrum teams
Nice to have: experience in the financial, banking or e-commerce sector
Nice to have: experience building high-availability applications with a large user base
Nice to have: knowledge of frontend testing tools such as Jest, React Testing Library, Cypress or Playwright
Nice to have: experience working with Docker/Kubernetes
Nice to have: knowledge of web application security principles
Nice to have: knowledge of WCAG and digital accessibility principles
Nice to have: experience with Design Systems or component libraries
Nice to have: experience working in a microservice environment

Conditions

Flexible engagement terms — hybrid or fully remote, individually agreed by each team
Long-term project engagement in a company operating on the IT market for over 20 years
Participation in diverse IT projects delivered for recognizable clients
Access to the latest technologies and an environment based on the highest engineering standards
Knowledge-sharing ecosystem: internal training, thematic guilds, cloud training and certifications within technology partnerships with four cloud providers
Access to online English or German learning and group language classes
Option to join Multisport and private medical care on preferential negotiated terms
Sea adventures — cruises on the Caribbean, Mediterranean and North Seas with company funding
Remote recruitment process with fully online individual onboarding

ReactTypeScriptJavaScriptHTML5CSS3GitREST APICI/CDJestReact Testing LibraryCypressPlaywrightDockerKubernetesWCAGDesign SystemAgileScrummicroservicesbanking

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