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Bumper

Mid Backend Engineer

Sheffield
Posted 4 months ago
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A bit about us...

Please allow us to celebrate our own success for a moment... We've built a customer-centric product that is market-leading, and we are smashing it!

We're a multi-award-winning digital payments and insight platform within the automotive industry. We work with over 5,000 automotive retailers, helping drivers to pay for motoring costs, accessories, and other services through a variety of different payment options. Our purpose is to build a solution that gives drivers peace of mind while enhancing customer experience and assisting with dealer profitability.

Bumper is a fast-growing payments scale-up and we’re excited to continue building on our growth having completed a successful Series B funding round in 2024. We’re looking to hire a dynamic and passionate Mid Backend Engineer, based in either Sheffield or London.

In 2024, AutoBI joined the Bumper Group. AutoBI are setting out to revolutionise how dealerships and partners in the automotive sector track and enhance performance.

Our cutting-edge, data-driven solution delivers real-time insights across CRM, Sales, Service, and Part – all through a unified platform powered by Microsoft Power BI. With AutoBI’s comprehensive dashboards, dealerships can access, analyse, and act on the insights they need, all in one place.

Check out our website to find out more.

Our Head Office is in Sheffield City Centre, with offices also based in London and Turkey. We've also expanded further, bringing retailers in Ireland, Germany, Spain, and the Netherlands on board, with the vision of being the leading automotive payment and insights platform!

A bit about the role...

We’re looking for a Midlevel Backend Engineer to join our passionate and fast-moving Tech Team. You will play a crucial role in developing and improving AutoBI’s backend applications, data integrations, and AI-powered insight tools, including LLM-driven features that enhance data analysis and reporting – contributing to the delivery of high-quality software solutions, whilst ensuring they are user-friendly, accessible and high-performing web applications. You’ll report directly to our Engineering Manager and work closely with teams across Bumper to ensure that our frontend applications are seamless.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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This is a full-time hybrid role working from either of our UK offices (Sheffield or London – Hammersmith). Our ideal candidate would be able to work at least three days per week from one of these locations.

Key responsibilities:

  • Collaborate with all relevant departments to deliver end to end features
  • Design, build and maintain scalable backend services and APIs
  • Using Git for version control and tracking code changes
  • Write secure, maintainable and well documented code
  • Diagnosing and resolving system issues across the platform
  • Debugging and maintaining applications while ensuring code efficiency and performance
  • Attend review meetings and make meaningful contributions to maintain code quality and optimise performance
  • Contribute to backend infrastructure, deployment pipelines, and monitoring/logging
  • Contribute to AI-driven insight generation by integrating LLMs with structured data sources (e.g. SQL, Power BI datasets) to enhance reporting and analytics capabilities

Now a bit about you…

We are a passionate and professional team, and we’re excited to welcome a Mid Backend Engineer who shares our vision of making Bumper the leading automotive payment and insights platform! In this role, you’ll have the opportunity to work in a dynamic, fast-paced environment where data-driven decision-making is at the heart of everything we do. If you are an outgoing self-starter who enjoys new challenges and new technologies, we’d love to hear from you!

What we are looking for in you:

  • 4+ years of experience developing backend systems in a production environment
  • 4+ years’ experience with Python and Django/Flask
  • Strong knowledge of SQL databases and experience optimising database performance
  • Experience building and integrating applications powered by Large Language Models (LLMs) (e.g. OpenAI, Azure OpenAI)
  • Experience with CI/CD, testing frameworks (Jest, React Testing Library), or design
  • Understanding of software design principles and experience building REST APIs
  • Proficiency in Git and version control best practices
  • Focus on performance, accessibility, and user experience
  • Strong time management skills and the ability to meet deadlines
  • Have great collaboration skills for cross-departmental projects

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Nice to haves

  • Experience working in fintech, payments, e-commerce, or automotive sectors

What you'll get from us...

  • Competitive Salary
  • Company bonus scheme
  • Private Healthcare and Medicash plan
  • We give 26 days holiday + bank holidays, plus volunteer days throughout the year (prorated)
  • Tax-saving Salary Sacrifice Pension with Aviva
  • Salary sacrifice Cycle to Work, Octopus Electric Vehicle, and Nursery fee schemes available!
  • For all your well-being and development needs, we give each colleague access to a benefits platform, with an allowance of £250 per year for wellbeing, and £150 per year for development
  • Our Bumper Flex policy for better work/life balance
  • Annual company-wide Bumper Retreat - a few days of fun, collaboration, and mingling (make sure your passport is in date!)
  • If and when the time comes, we will give 4 months paid leave to primary carers, and 1 month of paid leave to secondary carers

Perks are nice, but we know perks don’t make up the whole package of a great job. By joining our Bumper team, you'll have the opportunity to be an ambassador for our product & brand, and help us to continue on our winning streak!

Important: This position is not eligible for visa sponsorship. We can only consider candidates who already have the right to work in the UK.

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Skills

Python
Django
Flask
SQL
Database Performance
Large Language Models
CI/CD
Testing Frameworks
REST APIs
Git
Code Efficiency
Collaboration
Debugging
Performance Optimization
User Experience
Time Management

Location

Sheffield, England, United Kingdom

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