Smarkets Logo

Smarkets

Senior Backend Software Engineer

Posted 17 Hours Ago
Be an Early Applicant
Hybrid
London, Greater London, England
Senior level
Hybrid
London, Greater London, England
Senior level
Lead the design, development, and optimization of scalable backend services in Python and Rust. Architect distributed systems, improve reliability through monitoring and alerting, enforce testing and CI/CD best practices, and contribute to backend architecture decisions. Collaborate with product and engineering teams on complex projects, mentor engineers, and ensure the performance and stability of critical platform services.
The summary above was generated by AI
Who are we?Smarkets: Predicting the Future of Betting

Smarkets runs one of the world’s most sophisticated prediction markets, handling over £29 billion in volume since 2010 and engaging 200,000+ traders globally. We’re a technology company that happens to revolutionise betting - from sports to political markets, to delivering the sharpest prices and the fairest odds.

Our stack is designed for scale, reliability, and speed: Linux, Kafka, Postgres, Kubernetes, with Python 3, Rust, C++17, and React powering our platform. We build infrastructure that institutions trust while keeping trading accessible to everyone. Our edge? We’ve thrived through every market cycle, competitor, and industry revolution.

At the heart of our success are our people. We create a high-performance environment where exceptional talent can thrive, blending deep business experience with a commercial mindset to drive strategic growth.

If you’re ready to help shape the future of prediction markets with cutting-edge technology and a customer-first philosophy, Smarkets is where you belong.

Responsibilities
  • Lead the design, development, and optimisation of backend services written in Python and Rust

  • Architect and build scalable, distributed systems to meet the evolving needs of the platform

  • Enhance system reliability through robust monitoring and alerting systems

  • Drive and enforce best practices in code quality, testing, and continuous integration/delivery (CI/CD)

  • Collaborate with product managers and engineering teams to define and deliver complex, high-impact projects

  • Mentor and guide engineers across the team, fostering a culture of technical excellence and growth

  • Drive technical decision-making and contribute to the evolution of our backend architecture

  • Ensure the performance and stability of critical services by implementing improvements with a forward-looking mindset

Role Requirements
  • 6+ years of experience in software engineering, with a focus on backend systems

  • Familiarity with Python or at least one compiled language (Java, C++, Rust, Go) and are keen on learning Rust

  • Proven experience designing and building distributed systems in modern cloud environments (AWS, GCP, or similar)

  • Deep knowledge of DevOps practices and tools, including GitLab and Kubernetes (K8S)

  • Strong experience with message queuing systems (e.g., Apache Kafka) and relational databases (e.g., PostgreSQL, MySQL)

  • Previous experience in Sports Betting or Finance industries is a plus

  • Excellent communication skills, with a proven ability to collaborate effectively with cross-functional teams

  • Demonstrated leadership in driving complex technical projects to successful completion

Our Values

Our values are at the heart of everything we do - guiding how we work, collaborate, and innovate. They reflect what we expect of ourselves and each other to deliver the best results, while fostering a positive, high-performing environment:

  • Push to Win: We set ambitious goals and relentlessly pursue them, always striving for excellence.

  • Make Others Better: We lift each other up, share knowledge, and celebrate team success over individual achievement.

  • Give a Shit: We care deeply about our work, our users, and the impact we make.

  • Be a Pro: We take ownership, act with integrity, and consistently deliver to a high standard.

  • Bring the Energy: We bring positivity, curiosity, and enthusiasm to everything we do, inspiring those around us.

Culture Fit: These values define how we succeed as a team. If this isn’t you, this may not be the right place. We hire people who thrive in a fast-paced, collaborative, and ambitious environment.

 

Perks & Benefits
We offer a competitive salary and benefits package, alongside a dynamic, collaborative environment where your work truly makes an impact and your voice is heard. Our team is diverse, driven, and ambitious - united by a strong work ethic and a hunger to innovate and win.

Our benefits are designed around Health, Wealth, and Development, supporting you both professionally and personally.

These include:

  • Stock Options: Vest over 4 years, your success is our success.

  • Pension Scheme: Competitive plan via Aviva, with up to 6% matched contributions if you opt in.

  • Health Insurance: Comprehensive coverage to keep you and your family healthy.

  • Enhanced Parental Leave: Enhanced maternity and paternity leave to support you through life’s most important moments.

  • Stay Fuelled: Enjoy fresh, chef-made breakfast and lunch every day, plus a constant supply of fruit, snacks, tea, coffee and soft drinks, because great work starts with great food.

  • Cycle-to-Work Scheme: Support for sustainable commuting and staying active.

  • Learning & Development: £1,000 annual education budget for courses, conferences, books, or training.

  • Holiday: 25 days paid leave + bank holidays, with the option to carry over 5 days.

  • Flexible Working: Hybrid model with 3 days in the office and 2 days from home to fit your lifestyle.

  • Global Working: Work from anywhere in the world for up to 20 days a year.

  • Team Energy: Regular socials, hackathons, and events — because collaboration and fun go hand-in-hand.

 
What happens next​

We aim to have a simple and speedy hiring process, and we want to make sure that we are right for you as much as the other way around.

  • CV application review: We will review it as quickly as possible

  • Let’s chat: Quick chat with our team about your experience and the role

  • Technical Interview: Live Coding + System Design

  • Experience and Mindset Chat: with an Engineering Manager

  • In Office Interview: Lunch with other colleagues in the team + LT chat

     
Diversity & Inclusion

We’re an equal opportunities employer and celebrate diversity in all its forms. If you need any adjustments during the recruitment process, please let us know — we’re happy to accommodate your needs.

Similar Jobs

15 Hours Ago
Hybrid
2 Locations
Senior level
Senior level
Analytics
Design, develop, and lead delivery of scalable backend services, APIs, microservices, and distributed systems. Drive architecture, security, reliability, performance, testing, observability, and operational excellence. Lead strategic technical initiatives, resolve complex production issues, conduct reviews, mentor engineers, improve engineering standards, and promote AI-assisted development using tools such as GitHub Copilot. Partner with technical leaders to advance engineering capabilities and career development.
Top Skills: .NetAzure Service BusC#Event-Driven ArchitectureGitGithub ActionsGithub CopilotGitopsGrafanaInfrastructure As CodeJavaScriptKafkaKubernetesMicroservicesAzurePostgresRest ApisSQL ServerTypescriptVue
Yesterday
Hybrid
Senior level
Senior level
Hardware • Mobile • Cybersecurity
Design, build, debug, and operate secure, scalable AWS backend services and microservices. Develop Python-based Lambda applications, event-driven workflows, APIs, and data integrations using services such as SQS, Step Functions, AppSync, PostgreSQL, and Redis. Contribute to architecture, code reviews, testing, CI/CD, observability, production support, incident response, and performance improvement across distributed systems. Collaborate with Product, QA, DevOps, and engineering teams to deliver reliable platform capabilities.
Top Skills: AlembicAmazon Api GatewayAmazon CloudwatchAmazon RdsAmazon S3Amazon SnsAmazon SqsAmazon VpcApache AirflowAws AppsyncAws GlueAws IamAws LambdaAws Lambda PowertoolsAws Step FunctionsAws X-RayBlackDatadog ApmDockerDynamoDBDynamodb StreamsFastapiFlaskGitGraphQLJavaJenkinsLinuxMotoPostgresPysparkPytestPython 3.10+RedisRuffServerless Framework V3Spring BootTerraform
3 Days Ago
In-Office
Senior level
Senior level
Artificial Intelligence • Computer Vision • Machine Learning • Software
Own and deliver large-scale backend infrastructure projects end to end, including architecture, deployment, monitoring, and impact measurement. Build reliable distributed systems, performant APIs, database and processing systems, and production services that operate under heavy load. Contribute to code reviews, testing, rollouts, and mentoring while solving complex problems autonomously and planning for significant future scale.
Top Skills: CudaGCPKubernetesPythonPyTorchRayReactTypescript

What you need to know about the Manchester Tech Scene

Home to a £5 billion digital ecosystem, including MediaCity, which consists of major players like the BBC, ITV and Ericsson, Manchester is one of the U.K.'s top digital tech hubs, at the forefront of advancements in film, television and emerging sectors like as e-sports, while also fostering a community of professionals dedicated to pushing creative and technological boundaries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account