Job Information
Wallester Software Engineering Lead/Architect - Frontend in Tallinn, Estonia
About us
Wallester is a cutting-edge financial technology company that specializes in providing innovative solutions for businesses seeking to modernize their payment systems. By offering white-label card issuance platforms, seamless integration with existing infrastructure, and comprehensive support for both digital and physical cards, Wallester empowers companies to enhance their financial services and customer experience. Recognized as a leader in the FinTech space, Wallester has earned a reputation for its state-of-the-art technology, security, and scalability. Whether you are a startup or an established enterprise, Wallester delivers flexible, reliable solutions tailored to meet the evolving needs of the digital economy.
About the role
As a Software Engineering Team Lead (Frontend) at Wallester AS, you will be responsible for leading and growing a team of frontend engineers while remaining technically involved in the development of our web applications.
You will plan, organize, and guide frontend engineering work, ensuring timely delivery, high quality, and alignment with product and business goals. You will act as a bridge between the engineering team, product managers, designers, and senior leadership, while continuously improving frontend practices, processes, and team culture.
This role combines people leadership, technical leadership, and hands-on contribution.
Technology stack
TypeScript
React
Effector
React Router
SASS / SCSS, PostCSS
REST APIs
ESLint, Prettier
What you'll do
Shared Design System: Oversee the development of a unified UI Kit. Ensure cross-platform teams doesn't duplicate frontend code.
Microfrontend Strategy: Define and maintain the Shell/Host application architecture with separated deployment flow.
Performance & Security: Set security standards (CSP, Dependency scanning) that every team must follow.
CI/CD & Tooling: Standardize the build-and-deploy pipeline. A frontend developer should be able to move from one team to another and find the same linting, testing, and deployment patterns.
Tech Radar: Evaluate new libraries and frameworks, the final "gatekeeper" for adding new heavy dependencies to the global bundle.
What you'll need
5+ years of professional experience in frontend or full-stack software development
2+ years of experience leading or mentoring software engineers
Strong expertise in JavaScript and TypeScript
Extensive experience building and maintaining production-grade React applications
Experience designing frontend architectures and state management solutions
Strong understanding of REST APIs and frontend–backend integration
Excellent communication, leadership, and problem-solving skills
Experience working in agile development environments (Scrum)
Strong organizational and prioritization skills
Ability to work in a fast-paced and dynamic environment
Nice to have
Experience with modern frontend build tools and bundlers
Familiarity with CI/CD pipelines and release processes
Strong experience with frontend testing strategies
Experience working with internationalization and localization
Experience in fintech or other regulated environments
Knowledge of frontend security standards and best practices
We offer
Competitive salary
Career opportunities
Medical Insurance upon the completion of the probationary period
Supportive and caring Leadership
A modern office in the center of Tallinn
A chance to work as part of a highly motivated and talented team
Referral program
Stebby
Team building and Company Events
Free parking