Senior Backend Engineer
Location: London, Hybrid (2 Days Onsite)
Salary: £90,000 – £105,000 + Competitive bonus
We're working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless, intelligent technology solutions.
They are looking for a Senior Backend Engineer with deep expertise in JVM technologies to help scale and enhance their high-performance systems. There will be a requirement to use Kotlin moving forwards! This is an opportunity to work with modern architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment.
Responsibilities
- Play a key role in shaping and maintaining the backend infrastructure, built on a modern JVM stack
- Write clean, well-tested, production-ready code that the team can rely on
- Bring fresh ideas to the table — challenging existing approaches and proposing better solutions where you see them
- Work closely with Product and Engineering teams to break down complex problems and deliver impactful features
- Take ownership of your own development while helping to raise the bar for those around you
- Get involved in hiring — helping to assess and attract strong technical talent to the team
- Stay curious about the wider engineering landscape and bring relevant insights back to the team
Key Requirements
- Strong commercial experience in Kotlin or JVM technologies for backend development
- Confidence working with Spring Boot or Kotlin or Java to build robust microservices
- A passion for creating API-first products
- Ability to write efficient, secure, well-documented, and clean code
- Familiar with Agile principles and best practices such as peer code review and pair programming
- Clear understanding of fundamental computer science and software engineering concepts (e.g. design patterns, test-first design, SOLID principles)
Desirable
- Familiarity with both Monolithic and Microservices-based systems
- A background in a product-led environment where engineering and business goals are closely aligned
- Hands-on exposure to AWS or comparable cloud platforms
- A genuine enthusiasm for working with Kotlin and a desire to grow expertise in it moving forwards
Benefits
- £90,000 – £105,000 + Competitive bonus
- Hybrid – London (2 Days Onsite)
- Private Health Insurance
- Pension Scheme
This is a great Senior Backend Engineer position with the potential to have a massive impact on the technology strategy of a business directly shaping the future of intelligent digital infrastructure.
Due to the high volume of applications, not all applicants will receive individual feedback.
”, “datePosted”: “2026-04-25”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Formula.”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__412830515__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }Senior Backend Engineer
Location: London, Hybrid (2 Days Onsite)
Salary: £90,000 – £105,000 + Competitive bonus
We’re working with a rapidly growing tech for good company that is transforming how data, automation, and smart integrations shape the future of digital infrastructure. Their platform optimises real-time operations, connecting users with seamless, intelligent technology solutions.
They are looking for a Senior Backend Engineer with deep expertise in JVM technologies to help scale and enhance their high-performance systems. There will be a requirement to use Kotlin moving forwards! This is an opportunity to work with modern architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment.
Responsibilities
- Play a key role in shaping and maintaining the backend infrastructure, built on a modern JVM stack
- Write clean, well-tested, production-ready code that the team can rely on
- Bring fresh ideas to the table — challenging existing approaches and proposing better solutions where you see them
- Work closely with Product and Engineering teams to break down complex problems and deliver impactful features
- Take ownership of your own development while helping to raise the bar for those around you
- Get involved in hiring — helping to assess and attract strong technical talent to the team
- Stay curious about the wider engineering landscape and bring relevant insights back to the team
Key Requirements
- Strong commercial experience in Kotlin or JVM technologies for backend development
- Confidence working with Spring Boot or Kotlin or Java to build robust microservices
- A passion for creating API-first products
- Ability to write efficient, secure, well-documented, and clean code
- Familiar with Agile principles and best practices such as peer code review and pair programming
- Clear understanding of fundamental computer science and software engineering concepts (e.g. design patterns, test-first design, SOLID principles)
Desirable
- Familiarity with both Monolithic and Microservices-based systems
- A background in a product-led environment where engineering and business goals are closely aligned
- Hands-on exposure to AWS or comparable cloud platforms
- A genuine enthusiasm for working with Kotlin and a desire to grow expertise in it moving forwards
Benefits
- £90,000 – £105,000 + Competitive bonus
- Hybrid – London (2 Days Onsite)
- Private Health Insurance
- Pension Scheme
This is a great Senior Backend Engineer position with the potential to have a massive impact on the technology strategy of a business directly shaping the future of intelligent digital infrastructure.
Due to the high volume of applications, not all applicants will receive individual feedback.
…