Senior Software Engineer GO

Invia CEE x Travelplanet.pl x Wakacje.pl; Wrocław; Remote; PLN 180,000 - 320,000; Full time

Benefits offered by this job

Remote-friendly with quarterly office/

Professional development opportunities

Benefits cafeteria platform

International collaboration

Access to internal tools to balance学习与

Job summary

Invia x Travelplanet.pl x Wakacje.pl is seeking a Senior Golang Software Engineer focused on Data & Infrastructure. The role blends hands-on coding with research on data structures and scalable processing, centred on the Supply Nexus booking platform.

You’ll work across data ingestion, architecture redesigns, and API integrations, with remote-friendly collaboration and quarterly office visits in Poland. The team emphasizes performance, observability, and modern infra practices.

Qualifications

• 6+ years as a software engineer
• 3–4+ years with Go
• Proven experience processing large volumes of data at scale
• Relational and non-relational databases handling large data
• Experience processing very large files and terabyte-scale data
• Experience designing indexes for fast data access
• Strong, practical SQL
• Experience with distributed systems and multiple architecture types
• REST API and gRPC experience
• English B2+
• CI/CD fundamentals and full software delivery lifecycle
• Comfortable navigating legacy codebases

Responsibilities

• Split time ~50/50 between coding/code review and research on data structures and processing approaches
• Maintain and enhance Supply Nexus, including the booking engine
• Integrate data and systems from across the business into one unified platform
• Lead redesign of a legacy service onto a modern platform
• Import and maintain tour operator data feeds with focus on availability
• Process very large files and structure data into terabyte-scale databases
• Design indexes for fast data access
• Handle CI/CD, deployment and cloud resource optimization
• Improve platform performance, scalability, reliability and observability
• Build and improve API integrations across all entities

Skills

Go

Data processing at scale

Distributed systems

REST API

gRPC

SQL

Tools

Kubernetes

Redis

Kibana

Grafana

Job description

Senior Golang Software Engineer (Data & Infrastructure)

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:

Join the team behind Supply Nexus, our group-level booking engine and supply platform. This role leans more toward data, infrastructure, and architecture than pure coding — roughly half your time is hands‑on coding and code review, the other half is research and analysis on data structures and how best to process them in code.

What lies ahead on your journey:

• Split time ~50/50 between coding/code review and research on data structures and processing approaches
• Maintain and enhance Supply Nexus, including the booking engine
• Integrate data and systems from across the business into one unified platform
• Lead the redesign of a legacy service onto a modern platform — from architecture through delivery
• Import and maintain tour operator data feeds, with a strong focus on availability
• Process very large files (hundreds of GB) and structure the data into databases at terabyte scale
• Design indexes for the fastest possible data access
• Handle basic DevOps: CI/CD, deployment, cloud resource optimization
• Improve platform performance, scalability, reliability, and observability
• Build and improve API integrations across all entities

What to pack in your suitcase:

• 6+ years as a software engineer, including 3/4+ years with Go
• Proven experience processing large volumes of data at scale
• Hands‑on experience with relational and non‑relational databases handling large data volumes
• Experience processing very large files and structuring data into terabyte‑scale databases
• Experience designing indexes for fast data access
• Strong, practical SQL
• Experience with distributed systems and multiple architecture types
• Solid data structures knowledge
• REST API and gRPC experience
• English B2+
• Strong collaboration and problem‑solving skills
• CI/CD fundamentals and full software delivery lifecycle experience
• Comfortable navigating legacy codebases

Your extra baggage of experience:

• Kubernetes
• Redis (or similar)
• Kibana, Grafana

What you will find on board:

• A remote working model, with a commitment to work from the office at least once a quarter
• 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.