Senior Backend Software Engineer

2 weeks ago


London Area, United Kingdom Source Technology Full time
Job Overview

We are seeking a highly skilled Senior Backend Software Engineer to join our team at Source Technology, working on a critical project at a Tier 1 Investment Bank. This is an exciting opportunity to work with cutting-edge technologies and build scalable, high-performance systems.

About the Role

As a Senior Backend Software Engineer, you will be responsible for developing and maintaining highly reliable backend systems using Kotlin. You will collaborate closely with cross-functional engineering teams, delivering software that's fast, scalable, and meets the demands of a global investment business.

Key Responsibilities
  • Develop and maintain high-performance backend systems using Kotlin
  • Collaborate with cross-functional engineering teams to deliver fast, scalable software
  • Contribute to the design of robust solutions integrating with real-time trading and risk management systems
  • Ensure code quality through best practices, TDD, and strong testing methodologies
Requirements

To succeed in this role, you will need:

  • Expertise in Kotlin and experience building high-performance backend systems
  • A solid background in multithreading, concurrency, and distributed systems
  • Experience with cloud technologies
  • Familiarity with microservices architecture, CI/CD pipelines, and Agile methodologies
  • A passion for writing clean, maintainable, and well-tested code
  • Ability to work in a fast-paced, high-stakes environment solving complex problems
What We Offer

We offer a competitive salary of £90,000-£120,000 per year, plus benefits including flexible working arrangements, L&D budgets, and access to modern technology stack with Kotlin as the primary language. Our team is passionate about their craft and software engineering best practices, making it a great place to grow your career.



  • London, Greater London, United Kingdom Fruition IT Full time

    Job Title: Senior Backend Software EngineerAbout the Role:Fruition IT is seeking a skilled Senior Backend Software Engineer to lead the development of our distributed systems. As a key member of our engineering team, you will be responsible for designing, developing, and implementing mission-critical applications using advanced technologies like Go, AWS,...


  • London, Greater London, United Kingdom Client Server Full time

    Senior Backend Software Engineer OpportunityAre you a highly skilled Python developer looking for a challenging role that combines software engineering expertise with leadership qualities? We're seeking an experienced Senior Backend Software Engineer to join our Agile technology team in London.About the Role:We're looking for a senior-level Python developer...


  • London Area, United Kingdom Formula Recruitment Full time

    Senior Backend Engineer Salary: Up to £95,000 + Bonus and BenefitsHybrid: 2 days a week onsite (London)Permanent, Full TimeWe are partnered with an innovative start-up transforming the way people see and experience the world's best locations and experiences, financially facilitating people to explore the world with incredible savings.They are currently...


  • London Area, United Kingdom Edison Smart® Full time

    Senior Backend Engineer (Python) | London (office based) | Up to £120,000Joining a growing AI startup in London, who are building innovative AI solutions for camera recognition, tracking and analytics.As a Senior Backend Engineer, you’ll work in a small team to build scalable software services to support the company’s growing user base.This is an...


  • London Area, United Kingdom Edison Smart® Full time

    Senior Backend Engineer (Python) | London (office based) | Up to £120,000Joining a growing AI startup in London, who are building innovative AI solutions for camera recognition, tracking and analytics.As a Senior Backend Engineer, you’ll work in a small team to build scalable software services to support the company’s growing user base.This is an...


  • London, Greater London, United Kingdom Bloc Recruitment Full time £110,000

    Senior Backend Software EngineerAt Bloc Recruitment, we are seeking a highly skilled Senior Backend Software Engineer to join our team.The ideal candidate will have 6+ years of experience building APIs and working with databases, with in-depth knowledge of Node.js and TypeScript.Responsibilities include implementing APIs and user experience across the...


  • London, Greater London, United Kingdom Spectrum IT Recruitment (South) Ltd Full time

    Job OverviewThis is a unique opportunity for an experienced Senior Backend Software Engineering Lead to join Spectrum IT Recruitment (South) Ltd's AI/ML-focused product team. As a key member of the organization, you will be responsible for leading a small team of software engineers and implementing best practices in software engineering.


  • London, United Kingdom Holland and Barrett Full time

    Senior Software Engineer  ( Backend )   Please note this is a Hybrid role. On-site office requirements, once every 4-6 weeks in the London and Nuneaton office. Holland & Barrett International is striving to be the world's leading health and wellness business. Currently the largest in Europe and growing in other markets, the health and...


  • London Area, United Kingdom Venture Up Full time

    Senior Golang Backend Engineer Fully Remote/UK Working HoursA couple of Senior Golang Backend Engineers are required for an exciting and innovative Software house company based in Hong Kong. The company operates at the forefront of sports, entertainment, and cryptocurrency, and they are growing rapidly. The successful Senior Golang Backend Engineer will be...


  • London, Greater London, United Kingdom Revolution Technology Full time £95,000

    Job Title: Senior Backend EngineerAbout the role:Revolution Technology is looking for a skilled Senior Backend Engineer to join our team. As a key member of our development team, you will be responsible for designing, developing, and maintaining our backend systems using Kotlin.Key Responsibilities:• Design and develop scalable, efficient, and...


  • London, Greater London, United Kingdom HIVED Full time

    About HIVEDWe are a climate and logistics startup building the first sustainable parcel delivery network at scale powered by a 100% electric fleet. Our tech company is laser-focused on delivering the best possible delivery experience for end-customers and meeting the needs of our retail partners.As a Senior Backend Engineer, you will be an integral part of a...


  • London, United Kingdom Client Server Full time

    Senior Backend Software Engineer / Developer (Java FAANG) London onsite to £160kAre you a Java technologist with strong backend development experience within a FAANG tech company looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work?You could be joining a scaling Cyber Security technology company...


  • City Of London, United Kingdom Oliver Bernard Full time

    We are seeking a highly skilled Senior Software Engineer to join our team at Oliver Bernard. This role will be responsible for leading the development of our backend services, leveraging Java and Kotlin programming languages.About the JobAs a Senior Software Engineer, you will play a key role in designing and building scalable, reliable, and efficient...


  • London, United Kingdom Client Server Full time

    Senior Backend Software Engineer / Developer (Java FAANG) London onsite to £160kAre you a Java technologist with strong backend development experience within a FAANG tech company looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work?You could be joining a scaling Cyber Security technology company...


  • London, United Kingdom Client Server Full time

    Senior Backend Software Engineer / Developer (Java FAANG) London onsite to £160kAre you a Java technologist with strong backend development experience within a FAANG tech company looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work?You could be joining a scaling Cyber Security technology company...


  • London, United Kingdom Client Server Full time

    Senior Backend Software Engineer / Developer (Java FAANG) London onsite to £160kAre you a Java technologist with strong backend development experience within a FAANG tech company looking for an opportunity to progress your career in a senior, hands-on role with complex and challenging work?You could be joining a scaling Cyber Security technology company...


  • London, Greater London, United Kingdom Venchr Full time £70,000

    About the RoleWe are seeking a skilled Backend Software Engineer to join our team at Venchr. As a Backend Software Engineer, you will play a key role in designing, developing, and maintaining server-side applications and APIs primarily using Python.Key Responsibilities:Design, develop, and maintain server-side applications and APIs using Python.Ensure code...


  • London, Greater London, United Kingdom Motorway Full time

    About MotorwayMotorway is the UK’s fastest-growing used car marketplace, revolutionizing the experience of selling a car. Our online-only platform connects private car sellers with thousands of verified dealers nationwide, ensuring everyone gets the best deal. Founded in 2017, our technology-led approach has redefined the industry, generating thousands of...


  • London, United Kingdom Spectrum IT Recruitment Full time

    This is an exciting opportunity for a Lead Backend Software Engineer to join an AI/ML-focused product team, specializing in Back-end development with Python / Django. This growing company is expanding their AI software offerings to meet increasing demand for advanced AI features. They seek an experienced Lead Backend Software Engineer to lead an Agile team,...


  • London, United Kingdom CV-Library Full time

    This is an exciting opportunity for a Lead Backend Software Engineer to join an AI/ML-focused product team, specializing in Back-end development with Python / Django. This growing company is expanding their AI software offerings to meet increasing demand for advanced AI features. They seek an experienced Lead Backend Software Engineer to lead an Agile team,...