Mid/Senior Node.js Developer

I’m interested


Krakow, Poland

Job description

Mid/Senior Full Stack Developer 

About us 

Working with us, you’ll be at the heart of the technological revolution of one of the world’s most trusted betting and gaming companies. We deal with projects for desktop and mobile casinos. We process 500 online requests per second on an average day. You can be sure there are many more challenges waiting for you. 

We are passionate about delivering a personalized and emotional gaming experience to our customers. We are proud to cooperate with world-leading game providers to offer the full-spectrum of premium gaming products. Our team is a diverse collection of talented Back-end, Front-end, QA and Cloud engineers working together in a DevOps culture and Disciplined Agile approach. We are focused on continuous improvement based on technical KPI’s like TTI and Speed Index. 

Team and the project 

We’re creating brand new team to cover work on existing and new iOS Native apps as well as building a data layer for a range of Gaming and Sportsbook mobile apps to assure data consistency as well as  functional and operational consistency across all the Gaming and Sportsbook products at William Hill. The new team would consist of iOS engineers, both developers and testers, and backend (NodeJS) engineers, so the team would be really cross-functional to own mobile iOS apps development end-to-end. Joining the team you’d have great opportunity to take part in building new team and to have real impact on the mobile iOS technology at William Hill. 

Best candidate features 

  • Pragmatic. You are pragmatic and you are focused on delivering robust solutions to production. 
  • Curious & Team Player. You are interested in learning from other team members and supporting them if needed. What is more you are good at effective and respectful communication. While we write code individually, we succeed or fail as a team. 
  • Always learning. You should always be seeking to learn something new and working out how you can pass this knowledge to your team members. 
  • Ownership. You have strong sense of ownership for the work you done - “you build it, you own it”. Actively taking actions, by not ignoring real problems, speaking up when you see an issue, always looking for improvement. 

Skills needed 
  • You have experience in building web applications. 
  • You have strong understanding of Node.js, Express.js, JavaScript, TDD in NodeJS 
  • You know the best practices, design patterns, and architectural patterns. 
  • You have experience in delivering a product end to end. 
  • You have a strong interest in product design and a good eye for quality. 
  • You have experience with AWS services, feel confident with containerization (preferably Docker), and CI/CD solutions based on Gitlab-CI. 

Nice to have 

  • Typescript. We love typescript over here! 
  • Cloud-native web applications on the AWS Stack (Lambda, ECS, SQN etc.) 
  • Terraform 
  • …and many more! Do not miss this great learning and development opportunity! 


What we offer 

  • MacBook Pro or Windows hardware to choose from. 
  • Possibility to work from home up to 80% (This is after COVID, right now, it’s 100% work from home) 
  • Development opportunities, including IT conferences, internal training, lunch and learn sessions and an individual development budget. 
  • Complex work and the chance to make an impact. 
  • Some opportunities for International travel to our offices in London, Leeds, Malta and Gibraltar (our office is 5 minutes away from the beach) 
  • Flexible working practices. 
  • New modern, bright and comfortable office space, with a great working atmosphere, in a collaborative team of amazing people, with forward thinking managers 
  • Competitive base salary and benefits, with fully paid private healthcare (LuxMed), fully paid Multisport pass, employee referral program, and an extra day off for your birthday 
  • Garden roof terrace, with incredible views of the city, and fresh fruit in the office 
  • Well stocked kitchens with fruit tea, honey and lemon, foamy coffee machine, vending machine with healthy food and salad 
  • Chill out room and gaming room with VR, PS4, FIFA, foosball table, billiards/pool, table tennis, football league, board games, competitions with cool prizes 
  • Meetups, quality questions events, hackathons, we love any chance to share knowledge and have fun 
  • We don’t like our colleagues to go hungry or thirsty, so events are always well catered for. 
  • Family fun days, charity events (ask us about our scooter racing), company parties and social activities. 
  • Excellent city center location with a tram stop right outside the office, and free parking spaces for cars, motorcycles and bikes 
  • Relocation costs support for rent and travel, and VISA support. Colleagues from all round the world including Russia, Ukraine, Belarus, Estonia, Brazil, Romania, Ireland, Israel, India, Portugal, United Kingdom, and Libya 

William Hill in Krakow

Our office sits on Kotlarska and our brilliant building has a range of different workspaces, hangouts and breakout areas to suit your every need. Situated in the centre of Krakow next to Vistula river – we're in the heart of one of the world’s most iconic cities.There are parks everywhere, you can enjoy a walk along Planty, or go to Kościuszko Mound to admire the city from above. With plenty of culture on your doorstep, you’ll be spoilt for choice. In fact, why not have a sneak peek around our office with Street View and see if you can picture yourself here.


#gaming #nodejs 

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