Backend Engineer

About kwiff We aren’t gambling as you know it. We’re a proprietary tech platform redefining the experience with a bold, player-first approach. Our signature feature, Supercharging, randomly boosts odds, cashouts and casino sessions, creating genuine moments of surprise and delight for our users. ⚡ We have launched iOS, Android and Web apps, offering our customers best-in-class UX/UI experiences. Our ambition is to continue offering the best gambling experiences and we have the knowledge, resources and courage to make it happen. kwiff was founded in 2015 and we have been on a rocket trajectory with record customer intake and fast revenue growth. kwiff offers the advantages of a young and dynamic start-up coupled with the stability and security of a larger and established company. At kwiff we value people that are: BOLD: believe they can make a difference and have a big impact. SMART: action driven, customer centric, curious, good collaborator. RESPONSIBLE: have great judgment, acts in the company’s best interest, self-motivated ENTERTAINING: helps create an awesome customer experience, are easy going, a team player and enjoy having fun at work. This is an exciting time to join us. We are a fresh, diverse and dynamic company founded by industry recognised people with a long successful track record in the gambling business. We know what we are doing and where we are going. Come with us! Description We are looking for an experienced and strong-minded backend engineer to join our team. You will have a good working knowledge of Node.js, TypeScript, micro-service architectures, serverless, relational databases and designing fault-tolerant systems. It is important that you have a strong focus on quality: well written code, pride in testing, and a holistic, end-to-end approach to development. Essential qualities and skills: NodeJS TypeScript Integration Testing Relational Database Design (MySQL / Postgres) Redis & Caching AWS Cloud Github An understanding of AI: the positives and negatives Fundamentals – data structures, functional code, system architecture Excellent communication skills in both speech and writing Self-motivated and proactive: takes the initiative Quality focused A sharp mind: you ask why, you think about root causes, trade-offs, and use data to inform your decisions. Experience in similar dynamic, fast paced environments in growing companies, or at least a reason for wanting to be in one An ability to illustrate: your technical diagrams and documentation should be easy to implement and understand Nice to haves: Solid experience with monitoring tools such as Datadog Real-world experience of improving the speed and scale of a given high-throughput system (1000s requests per second) A passion for sports Experience in the gambling industry What will the role involve? Engineering technical solutions and sharing them with the team through design sessions & code reviews Shaping a scalable and performant architecture of our sportsbook platform Discussing feasibility, ROI, and trade-offs with product as we aim to deliver “MVP” through to fully-fledged features. Own your code. Build it. Test it. Ship it. Monitor it. Extensive on-boarding, mentoring and personal development opportunities What we can offer you Join kwiff and we'll back you properly: real support, real autonomy, and a culture where ownership actually means something. Here's what's in it for you as part of our London office: Private Healthcare: Full coverage with Vitality, because your health shouldn't wait in a queue. Well-being Allowance: A generous budget to spend your way, whether that's the gym, therapy, yoga, or whatever keeps you sharp. Life Insurance: Because we've got your back! Competitive Bonus Scheme: Do great work, get rewarded for it. Pension: We'll help you plan for the long game, not just the next sprint. Why join us? At kwiff, we don't follow industry trends, we set them. You'll be part of a team shaping the future of iGaming with cutting-edge technology and a culture built on bold ideas, fast execution, and zero red tape. kwiff is an equal opportunity employer. We value diversity and are committed to building an inclusive environment for everyone on the team. We aim for equity at every stage of the recruitment process: if there's anything we can do to make it more accessible for you, just let us know.