Senior Frontend Engineer (React)

About the role

Luminor is looking for a hands-on Senior Frontend Engineer in Tallinn to design and implement modern payment journeys for private and business customers across the Baltics. The role sits within the Payments scope of the WEB Internet Bank and has the potential to grow into a Lead Engineer position.

Key responsibilities

• Build applications using React and TypeScript, and develop independently deployable microfrontends within a shared Internet Bank platform.
• Design frontend architecture, application boundaries and integration patterns, and build customer journeys involving multiple APIs, asynchronous operations and different authorization levels.
• Integrate with payment, account, customer, authentication, approval and signing services, handling API errors, partial availability, long-running processes and status updates.
• Create reusable components and contribute to shared design-system standards.
• Ensure code quality, testing, accessibility, security, performance and observability; review code and technical designs and support fellow engineers.
• Take ownership from technical design through implementation to production support, and use AI coding assistants and engineering agents for development, testing, documentation, code review and troubleshooting.

Required profile

• Strong production experience with React and TypeScript, and experience designing and delivering microfrontend solutions.
• Experience integrating frontend applications with multiple REST APIs and distributed backend systems.
• Good understanding of authentication, authorization and role-based customer journeys, plus experience with frontend security, accessibility, performance and automated testing.
• Ability to evaluate technical options, explain trade-offs and make pragmatic decisions.
• Experience supporting other engineers through technical design and code reviews, and interest in broader technical leadership.
• Fluent spoken and written English, as the team works across the Baltics.
• Practical experience with AI coding assistants or engineering agents, including validating their results.

Required skills

• Frontend: React, TypeScript, JavaScript, HTML, CSS
• Architecture: microfrontends, modular frontend architecture, shared component libraries
• Integration: REST APIs, asynchronous workflows, contract-based development
• Testing: unit, component, integration and end-to-end tests
• Platform and delivery: AWS, Kubernetes, Docker, GitLab CI/CD
• Quality and observability: automated quality and security checks, monitoring, logging and telemetry

What we offer

• Gross salary of 4,500–6,400 EUR per month, depending on experience and competencies.
• Flexible working hours, hybrid work and the option to work from anywhere in the EU, Iceland, Switzerland and the UK (up to 90 days per year).
• Additional vacation weeks for employees with 1 year or more of service, volunteer time off, and 30 fully paid calendar days for military training.
• Health insurance after the first 3 months in all three Baltic states, health days, and wellbeing resources.
• Internal and external training, workshops, conferences and LinkedIn Learning.
• Special offers and pricing on Luminor products and services.

The application deadline is 22 November. Candidates should apply with a CV in English and PDF format; the employer looks primarily for candidates already located in the Baltics.