Invia CEE x Travelplanet.pl x Wakacje.pl

Frontend Software Engineer

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SeniorOn-site·GdańskFull-time

#428198·Dodano dwa miesiące temu·19

Źródło: Invia CEE x Travelplanet.pl x Wakacje.pl

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Tech Stack / Keywords

JavaScript TypeScript GrafanaDatabasesReact.js Next.js Node.jsBackend

Firma i stanowisko

We are an e-commerce platform and a network of travel agencies offering a wide range of travel products. Since 2015, we have been part of Wirtualna Polska Holding – Poland’s largest group of media and e-commerce companies. Together with Travelplanet.pl and the Invia brands across CEE, we are building a unified travel group driven by a shared #TravelMindset.

Wymagania

Min. 5 years of experience with React.js and Next.js
Strong experience with Node.js (production-grade APIs, async patterns, error handling, performance optimization)
Solid knowledge of JavaScript/TypeScript and modern backend architecture (REST, middleware, validation, auth)
Experience with API integrations (payments, CRM, external services) and handling edge cases
Practical experience with logging, monitoring, and debugging in production environments
Understanding of performance optimization and scalability in high-traffic transactional systems

Nice to have:

Experience with Bun or alternative JS runtimes
Familiarity with Redis (caching, session handling, rate limiting)
Experience with Server-Sent Events (SSE) or real-time communication patterns
Knowledge of system observability tools (e.g., Grafana, ELK stack)
Experience in e-commerce / booking / checkout systems with conversion-focused optimization
SEO / Core Web Vitals / Google Analytics / Web Accessibility

Obowiązki

Designing, implementing, and maintaining functionality of JavaScript/TypeScript-based applications used by internal and external clients.
Ensuring the codebase is clean, maintainable, scalable, and aligned with engineering best practices.
Monitoring application health using technical and business metrics (e.g., Grafana dashboards) and reacting to anomalies or incidents.
Optimizing existing solutions, improving performance, and ensuring reliability of critical system flows such as checkout and payments.
Collaborating closely with business stakeholders and product teams to translate requirements into technical solutions and continuously improve the product.
Working with databases to analyze data, debug issues, and ensure correct data flow between services.
Proposing and implementing new ideas, selecting appropriate technologies, and contributing to architectural decisions.
Creating and maintaining unit and integration tests to ensure stability and long-term maintainability of the system.

Benefity

Employment based on an employment contract or B2B
Full support during the onboarding period under the supervision of an engaging leader/buddy
Real influence on business decisions, the ability to take initiatives and implement your ideas
Individual Development Plan
Participation in training courses and conferences to enhance professional competencies
Benefits package including Lux Med medical care, Health and Life Insurance (PZU and Warta), Multisport card, shopping and lunch vouchers, and many other cafeteria offers available on the Worksmile platform
Study Tour – trips abroad to explore product offerings
Training and webinar package supporting professional and personal development
Discounts on products for employees and their families
Work in the modern Alchemia office complex – Neon building, near Gdańsk Przymorze-Uniwersytet SKM station
Teambuilding events for start and end of the tourist season
Mini events, coffee, and on Mondays, hot chocolate
Casual dress code

Opieka zdrowotna

Ubezpieczenie

Karta sportowa

Invia CEE x Travelplanet.pl x Wakacje.pl

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