Senior Golang Software Engineer

Invia x Travelplanet.pl x Wakacje.pl is one of the largest travel groups in Europe. Every year we help more than 6 million people plan their trips. Behind that sit teams in IT, Product, Data, Marketing, HR, Finance, Sales and Customer Experience, who build the tools and services those travelers use. Whichever team you join, your work shows up in how people plan and experience their holidays.Your next stop:This is a key role in our 3 brands collaboration: you'll take ownership of a critical internal system currently transitioning between teams, building deep expertise to support its migration and long-term maintenance.What lies ahead on your journey:Development of an in-house platform delivering hotel data, photos, and reviews across the customer journey.Backend-focused, ETL-style development (~90% backend).Monitoring and improving platform performance, scalability, and reliability.Reducing costs and technical debt to optimize system operations.Retrieving and transforming data from multiple sources.Working with LLMs to generate personalized, SEO-aligned content. What to pack in your suitcase:Minimum 6+ years as a software developer, including 4+ years with GoFull software delivery lifecycle experience (analysis through production support)Familiarity with multiple architecture types and solid grasp of data structuresBest practices in building ETL-based systems, on large-scale projectsDatabases: MySQL, PostgreSQLInfrastructure: AWS, Kubernetes, CI/CD pipelines, basic DevOps knowledgePractical experience with REST API and gRPCStrong English communication skills (min. B2)Strong collaboration and problem-solving skillsDaily practical use of AI toolsYour extra baggage of experience:Potential to grow into a Technical Lead Manager roleDistributed systems experienceCloud resource optimization knowledgeRedis (or similar)Kibana, Grafana, DataDogTrack record optimizing performance on high-traffic platforms What you will find on board:On-site, hybrid, or remote working model (depending on the role; for hybrid positions, a minimum of x days per week in the office),Opportunities for professional development aligned with current business needs and your individual career goals,A benefits cafeteria platform – we do not decide what siuts for you, you can choose from life insurance, a sports card, and lunch and shopping vouchers,Cooperation in international environment,Access to Audioteka and Pilot WP, helping you balance personal development with moments of relaxation,An openness to innovation and AI-powered tools that support our daily work and help us achieve even better results,Discounts on our products for you, your family, and friends,Comfortable offices in convenient locations (Gdańsk – Alchemia, Warsaw – Business Garden, Wrocław – Legnicka Business Garden), along with a friendly and informal atmosphere that encourages collaboration,Option to join International educational trips, so you can see the destinations and hotels from our portfolio for yourself,A culture built on trust, open communication, feedback, and appreciation (because the best journeys begin with a great team),Team where #Explore #Engage #Enjoy build our travel mindset. Get to know us better and see what our everyday journey looks like: Instagram, LinkedIn, Tiktok, Facebook.