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.
Senior Golang Software Engineer (Data & Infrastructure)
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
- Strong, practical SQL
- Experience with distributed systems and multiple architecture types
- Solid data structures knowledge
- REST API and gRPC experience
- Strong collaboration and problem-solving skills
- CI/CD fundamentals and full software delivery lifecycle experience
- Comfortable navigating legacy codebases
Your extra baggage of experience:
- 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.
1. Personal Data Controller
The controller of your personal data will be Wakacje.pl S.A. with its registered office in Gdańsk (hereinafter: we).
You can contact us at: Wakacje.pl S.A., al. Grunwaldzka 413, 80-309 Gdańsk
2. Data Protection Officer
We have appointed a Data Protection Officer. This is the person you can contact in all matters related to the processing of personal data and the exercise of rights related to data processing. You can contact the inspector in the following ways:
- by letter to the following address: Wakacje.pl S.A. / IODO / al. Grunwaldzka 413, 80-309 Gdańsk
- by e-mail to the following e-mail address: [email protected]
3. Purposes and bases for processing
We will process your personal data for the following purposes:
- implementation of labour law provisions (Article 22 (1) § 1 of the Code of Civil Procedure) and preparation for concluding a contract (Article 6 (1) (b) of the GDPR) in the scope of the following data: name(s) and surname; Date of birth; Contact; education; professional qualifications, the course of previous employment;
- Your consent (Article 6(1)(a) of the GDPR to the additional data that you choose to provide to us voluntarily in your CV, cover letter or during a job interview. Providing additional data, to the extent not specified by labour law or not required by us, will be treated as consent to the processing of such personal data. Giving consent in this case is voluntary, and consent given in this way may be revoked at any time;
- our legitimate interest (Article 6(1)(f) GDPR) in the data collected by us during the interview. We have a legitimate interest in vetting your skills and abilities - we need this to assess whether you are the right person for the position we are recruiting for;
- our legitimate interest (Article 6(1)(f) of the GDPR) consisting in the possibility of conducting recruitment by electronic means, efficient communication and ensuring the correct identification and, if necessary, confirmation of the candidate’s identity in the system used to manage the recruitment process (the email address is the candidate’s identifier in the eRecruiter system).
We will also assess your qualifications, abilities and skills during future recruitment - the basis for the processing is your consent (Article 6(1)(a) of the GDPR);
Archival and evidentiary data - the basis for processing is our legitimate interest related to the pursuit or defence of possible claims (Article 6(1)(f) of the GDPR).
4. Data retention period
We will retain your personal data for a period of one year after you submit your application for the position.
5. Data recipients
We will transfer your personal data to service providers supporting us in conducting recruitment processes, e.g. IT service providers and a service provider providing the eRecruiter recruitment process management system, i.e. eRecruitment Solutions sp. z o.o. Such entities process data on the basis of a contract with us and in accordance with our instructions.
Other companies from the Wirtualna Polska Holding S.A. capital group for administrative purposes, including personnel management throughout the capital group for the purpose of exchanging data within the capital group, in particular in connection with human resources management and organizational structure, administrative, HR, payroll and IT services, planning and reporting at the group level. In addition, if you consent to the processing of your personal data for the purposes of future recruitment, we will be able to transfer your personal data to companies from the Wirtualna Polska capital group, which includes Wirtualna Polska Holding S.A. with its registered office in Warsaw and subsidiaries (https://holding.wp.pl/investor/struktura-grupy-kapitalowej)
6. Rights related to the processing of your personal data
You have the right to:
- access to your personal data,
- request rectification of your personal data,
- request the deletion of your personal data,
- request restriction of processing of your personal data,
- object to the processing of your data – in cases where we process your data on the basis of our legitimate interest,
- transfer of your personal data, i.e. the right to receive your personal data from us, in a structured, commonly used and machine-readable IT format. You can send this data to another data controller or request that we transmit your data to another controller, but we will only do so if such transfer is technically possible. You have this right to portability only in respect of the data that we process on the basis of a contract with you or on the basis of your consent,
- to the extent that your data is processed on the basis of consent – withdraw consent to the processing of your personal data at any time. The withdrawal of consent does not affect the lawfulness of processing carried out on the basis of consent before its withdrawal.
To exercise the above rights, please contact us or our Data Protection Officer (contact details in points 1 and 2 above).
You also have the right to lodge a complaint with the President of the Office for Personal Data Protection. This right applies only to the lawfulness of the processing of personal data, and does not apply to the course of the recruitment process.