Backend Engineer

Kwiff Ltd; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Private Healthcare

Well-being Allowance

Competitive Bonus Scheme

Pension

Job summary

Kwiff Ltd is hiring an experienced backend engineer to join our team focused on building and scaling the sportsbook platform. You will work with Node.js, TypeScript, and microservices in an AWS environment, ensuring fault-tolerant, high-performance systems.

Join a bold iGaming startup with strong engineering culture, on-site in London, and a benefits package including private healthcare, wellbeing allowance, competitive bonus, and a pension.

Qualifications

• Experience with Node.js, TypeScript, and micro-service architectures.
• Ability to design fault-tolerant, scalable backend systems.
• Strong testing discipline and code quality.
• Excellent communication and collaboration in a fast-paced team.

Responsibilities

• Engineer backend solutions for the sportsbook platform.
• Shape scalable, performant architecture; conduct design sessions and code reviews.
• Own code from development to deployment and monitoring; ship features end-to-end.

Skills

Node.js

TypeScript

Microservices

Serverless

MySQL

PostgreSQL

GitHub

AWS

Redis

Datadog

Tools

GitHub

AWS

Datadog

Redis

MySQL

PostgreSQL

Job description

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.

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.

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

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.

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.

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.