Software Engineer

Legend; Greater London; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading sports and gaming marketing company is seeking a Software Engineer to help build scalable tournament experiences. The ideal candidate will focus on backend architecture, writing clean Ruby code, and optimizing performance. You will contribute to designing robust systems and lead projects that enhance application scalability and maintainability. Join a dynamic team dedicated to engineering excellence and innovation in competitive gaming.

Benefits

Annual discretionary bonus

Paid annual leave

Flexible work-life balance

Long term incentive plan

Qualifications

• Hands-on experience delivering large-scale customer-facing software.
• Proficiency in at least one backend programming language.
• Demonstrated success applying Domain-Driven Design principles.

Responsibilities

• Contribute to the design and implementation of application architecture.
• Write clean, efficient, and well-documented code.
• Conduct code reviews and maintain high code quality.

Skills

Backend engineering best practices

API design

Ruby

Performance optimization

Domain-Driven Design

Tools

GCP

Pub/Sub

Web sockets

SSE

Job description

About Legend

At Legend were building next-level player experiences. With 20 years of proven success were the worlds leading Sports and Gaming marketing company.

Our people are our edge. 600 sharp ambitious Legends across 22 countries who move fast learn quickly and win together. Here growth isnt a perk its the standard. Youll stretch level-up and carve out a career as bold as the products we build. We celebrate wins and create experiences that people talk about for years - for our players & for each other. If youre ready to shape the future of player experience and enjoy the ride while you do it this is where youll thrive.

The Role

Legend is hiring a Software Engineer reporting directly to our Engineering Manager. We're building the future of competitive gaming and we need an engineer to help us do it. Our team is focused on delivering scalable high-performance tournament experiences that captivate players and fuel platform growth. With a clear split between frontend and backend this role dives deep into backend architecture, optimising performance and launching new services that enable our tournaments to evolve fast and reliably. You'll be hands‑on in designing robust systems, writing clean Ruby code, applying domain-driven design and working with cutting‑edge cloud technologies like GCP and Pub/Sub.

If you thrive in high‑impact environments care deeply about engineering excellence and want to shape the technical foundation of a growing product this is the opportunity to make your mark.

In this role we value diverse perspectives and encourage you to apply even if you dont meet every qualification listed.

Your Impact

• Contributing to the design and implementation of application architecture ensuring scalability performance and maintainability.
• Writing clean efficient and well‑documented code.
• Conducting code reviews identifying and resolving bugs and implementing best practices to maintain high code quality.
• Identifying and resolving performance bottlenecks optimising code for speed and efficiency.
• Designing and implementing secure applications considering potential vulnerabilities and implementing appropriate safeguards.
• Lead on business‑critical projects such as infrastructure audit and target areas of improvements.

What You'll Bring

• Hands‑on experience delivering large‑scale customer‑facing software with a strong focus on backend services and how to integrate application and data.
• Demonstrated success applying Domain‑Driven Design (DDD) principles and an API‑first mindset on multi‑tenant platforms.
• Deep background as a backend engineer consistently using best‑practice design principles such as SOLID, GRASP and common design patterns.
• Proficiency in Ruby is preferred – highly skilled in at least one backend programming language (e.g. Ruby, Go, Python, Rust, NodeJS).
• Proven product engineering mindset – able to translate requirements into clear technical designs, produce well‑defined roadmaps and deliver high‑quality implementations.
• Experience with Pub/Sub (Publish/Subscribe) web sockets and SSE (Server‑Side Event).

The Interview Process

• 1st : Initial Chat with Talent Partner (30‑45 mins via Zoom)
• 2nd : Technical Interview with our Tech team (1 hour video via Zoom)
• 3rd : Competency Based Interview with our team (1 hour video via Zoom)
• 4th : Final Interview with our Tech leadership team (45 mins via Zoom)

Why Legend

• Super smart colleagues to work alongside and learn from.
• Engaging development opportunities at all levels.
• Tailored flexibility for your work‑life balance.
• Annual discretionary bonus to reward your efforts.
• Paid annual leave PLUS a well‑deserved break to recharge your batteries during the festive season! Our offices are closed between Christmas and New Years allowing you to enjoy downtime without dipping into your annual allowance.
• Long term incentive plan so we can all share in the growth and success of Legend.
• Exciting global Legend events where we unite in person to ignite our shared passion and unveil the exciting strategies for the year ahead!
• Unlock your full potential by joining the Legend team. To support you on this journey we provide an extensive array of benefits and perks as outlined in our global offerings above. For country specific benefits please reach out to your talent partner.

Legend is an Equal Opportunity Employer but thats just the start. We believe different perspectives help us grow and achieve more. Thats why we’re dedicated to hiring and developing the most talented and diverse team- which includes individuals with different backgrounds, abilities, identities and experiences. If you require any reasonable adjustments throughout your application process please speak to your Talent Partner or contact the team on emailprotected and we’ll do all we can to support you.

Employment Type: Full‑time