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Senior Frontend Software Engineer (Team Leader) @ Wakacje.pl
  • Gdańsk
Senior Frontend Software Engineer (Team Leader) @ Wakacje.pl
Gdańsk, Gdańsk, Pomeranian Voivodeship, Polska
Wakacje.pl
8. 3. 2026
Informacje o stanowisku

We are a growing team of over 100 IT specialists, including Developers, DevOps Engineers, Testers, Project Managers, Architects, and Analysts. Were driven by passion and engagement and prioritize a culture of open communication. A commitment to high code quality, robust test automation, and efficient processes is at the core of what we do. We work in Scaled Agile Framework (SAFe), and our development is built on the React ecosystem.

Team/project/product
:

The team is an interdisciplinary group of five people. The technologies owned and developed within the team include React, PHP/Go, manual testing, and automated testing.
The team is responsible for delivering the offers listing to customers — a key part of the customer journey that enables users to search for and compare multiple offers. The teams work has a direct impact on C1 (first conversion).
In addition to delivering business initiatives, the teams goal is to ensure high performance of the web service listings on both desktop and mobile, with a particular focus on mobile performance.


  • Advanced JavaScript (ES6+), including design patterns​
  • Deep understanding of asynchronous programming (event loop, promises, async/await)
  • Browser performance optimization techniques
  • Strong TypeScript expertise
  • Designing scalable type architectures for large codebases
  • Best practices for TS in monorepos or multi‑module environments
  • React expert-Level Skills
  • Rendering optimization (memoization, useCallback, useMemo)
  • State management solutions such as Redux
  • Deep Knowledge of Next.js
  • App Router & Server Components
  • SSR, SSG, ISR, API Routes, Server Actions
  • Backend integration through REST
  • Front‑End Architecture (designing modular, scalable application architecture)
  • Standards for code quality, structure, and engineering practices
  • Familiarity with microfrontends (optional but valuable)
  • Quality Assurance & Testing (Unit testing with Jest, Vitest, React Testing Library)
  • Backend Integration (Working with REST, WebSockets)
  • Authentication/authorization handling (OAuth, JWT, Next.js middleware)
  • API contract validation and integration patterns
  • DevOps for Front‑End (CI/CD pipelines (GitLab CI/CD)
  • Nice to have: 
  • Databases (SQL, NoSQL)
  • Programming languages (e.g. PHP, GoLang)
  • Using AI tools like Codex, CloudCode

Soft skills - Relational‑Transformational Leade

  • Inspires with a clear vision and builds trust
    – shows the direction of change while creating a sense of safety within the team.
  • Communicates with empathy and engagement
    – listens, understands, and energizes people to take action.
  • Supports both individual and team development
    – nurtures talents, provides constructive feedback, and enables continuous learning.
  • Strengthens collaboration and responsibility
    – builds strong relationships while delegating and giving space for independent decision‑making.
  • Promotes innovation in a supportive environment
    – encourages bold ideas, experimentation, and learning from mistakes.

We are a growing team of over 100 IT specialists, including Developers, DevOps Engineers, Testers, Project Managers, Architects, and Analysts. Were driven by passion and engagement and prioritize a culture of open communication. A commitment to high code quality, robust test automation, and efficient processes is at the core of what we do. We work in Scaled Agile Framework (SAFe), and our development is built on the React ecosystem.

Team/project/product
:

The team is an interdisciplinary group of five people. The technologies owned and developed within the team include React, PHP/Go, manual testing, and automated testing.
The team is responsible for delivering the offers listing to customers — a key part of the customer journey that enables users to search for and compare multiple offers. The teams work has a direct impact on C1 (first conversion).
In addition to delivering business initiatives, the teams goal is to ensure high performance of the web service listings on both desktop and mobile, with a particular focus on mobile performance.

,[Delivering business initiatives, the teams goal is to ensure high performance of the web service listings on both desktop and mobile, with a particular focus on mobile performance, Monitoring the current performance and health metrics of the service, such as TTFB, LCP, FCP, etc, Responding promptly to any degradation of these indicators, Maintaining, improving, and evolving the monitoring and alerting systems, Delegating tasks within the team appropriately, based on the situation, priorities, and individual capabilities, Working with people: development plans, assessments, and regular 1:1 status meetings, Collaborating with other leaders and key roles across the organization, such as architects and engineering managers Requirements: React, TypeScript, Next.js, Redux, API, Unit testing, REST, ES6, SQL, NoSQL, PHP, Golang, Codex, CloudCode

  • Praca Gdańsk
  • Team leader Gdańsk
  • Gdańsk - Oferty pracy w okolicznych lokalizacjach


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