Lead Frontend Engineer (React) – FinTech, 2–3 Team Leads

Searchability®; Warszawa; On-site; PLN 250,000 - 420,000; Full time

Job summary

Searchability® is seeking a Principal React Engineer in Poland to lead advanced React engineering activities while maintaining hands-on credibility. The role combines technical excellence with people management and high-stakes client interactions within a modern financial technology context.

You will line-manage two to three team leads, shape how engineering capacity is deployed, and resolve delivery or client issues in collaboration with account management.

Qualifications

• Exceptional commercial React experience.
• Deep understanding of React internals and rendering behaviour.
• Performance optimisation and complex state architecture.
• Strong software testing discipline.
• Experience managing senior engineers or team leads.
• Experience taking responsibility for delivery or commercial outcomes.
• Strong spoken English.
• Polish right to work without sponsorship.
• Based in Wroclaw/Warsaw.

Responsibilities

• Provide technical leadership across complex React engineering.
• Remain close to React architecture, performance and engineering standards.
• Line manage engineers and team leads.
• Help determine how engineering teams and individuals are deployed.
• Work directly with senior client stakeholders.
• Take ownership of difficult delivery and client issues.
• Work closely with account management.
• Maintain exceptional engineering and testing standards.
• Mentor and develop senior technical people.

Skills

React expert

Team leadership

Client relationship management

English proficiency

Polish work eligibility

Job description

Searchability® is seeking a Principal React Engineer in Poland to lead advanced React engineering activities while maintaining hands-on credibility. The role combines technical excellence with people management and high-stakes client interactions within a modern financial technology context.

You will line-manage two to three team leads, shape how engineering capacity is deployed, and resolve delivery or client issues in collaboration with account management.