Senior Backend Engineer

2 weeks ago

London, Greater London, United Kingdom Pulselive Full time £400 - £500

Senior Software Engineer – Java (Contract - Outside of IR35)

Duration: 3 Months Plus

Start Date: ASAP in November

Day Rate: £ per day

As a Senior Software Engineer (Java) – Contractor at Pulselive, you'll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment.

You'll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.

Key Responsibilities:

  • Design and develop scalable backend systems using Java and Spring Boot

  • Deliver well-structured, maintainable, and testable code aligned with project requirements

  • Build and maintain RESTful APIs to support web and mobile applications

  • Integrate with third-party data providers (e.g. sports data, video, commentary)

  • Use Git to manage code versioning and contribute to shared repositories

  • Manage deployments across multiple environments (Dev, Test, Staging, Prod)

  • Ensure systems are performant, secure, and resilient

  • Identify and manage project-level technical dependencies

  • Participate in sprint planning and delivery-focused meetings with the wider team

  • Write and maintain clear technical documentation

  • Contribute to code reviews and uphold development best practices

Core Skills & Experience:

Expert-level knowledge of:

  • Java 11+

  • Spring Boot and Spring Framework (v5+)

  • JPA/Hibernate and ORM principles

  • Designing and building microservice architectures

  • Creating and consuming RESTful APIs

  • Git for version control and collaborative development

  • JSON and working with structured data

  • Unit testing with frameworks like JUnit

  • Task management tools like JIRA

  • Writing technical documentation for APIs and backend components

Proficient with:

  • SQL (PostgreSQL, MySQL, or similar)

  • Kafka or other messaging/event-driven platforms

  • Docker containerization

  • Kubernetes for orchestration

  • AWS services (e.g., S3, Lambda, EC2, etc.)

  • Maven for build and dependency management

  • CI/CD pipelines and deployment automation

Basic understanding of:

  • Python (scripts, tools, integrations)

  • Frontend technologies: HTML, CSS, JavaScript (for context when integrating with frontend)

  • Senior Backend Engineer

    2 weeks ago

    London, Greater London, United Kingdom MASS Analytics Full time £60,000 - £120,000 per year

    Job Title:  Senior Backend Engineer  Job Location: LondonReports to: Software Engineering DirectorKey interactions:  Data Science / Marketing Analytics / Sales department / Marketing Department Role Description:  We're looking for a skilled Senior Backend Engineer to help drive the development of powerful backend systems that support our products and...

  • Senior Backend Engineer

    1 day ago

    London, Greater London, United Kingdom MateHR Full time £80,000 - £120,000 per year

    Senior/Staff Backend Engineer (Go Lang)About the Opportunity:MateHR is currently seeking a highly experienced Staff Backend Engineer on behalf of one of our most ambitious clients rapidly scaling fintech startup that's reshaping global transaction services. This exciting organisation is quickly expanding its presence internationally, notably making...

  • Senior Backend Engineer

    3 days ago

    London, Greater London, United Kingdom Veriswap Full time £60,000 - £180,000 per year

    About VeriswapVeriswap is a marketplace for trading cards, operating within the $10B+ sports card secondary market. We're building a new swap economy because we believe that the trades market is 5x larger than the cash sales market for collectibles.Our mission is simple, empower collectors to trade sports cards anytime, anywhere.Founded in 2021 by alumni...

  • Senior Backend Engineer

    5 days ago

    London, Greater London, United Kingdom Deblock Full time £60,000 - £120,000 per year

    THIS IS A SENIOR/LEAD POSITION Experience in FinTech and or crypto requiredAs a Backend Engineer, you'll be directly working with the product team. In this fast-paced environment, you'll be given complex banking and crypto problems to solve, develop and deploy. You are obsessed with our good architecture, efficiency, and resilience and want nothing but the...

  • Senior Backend Engineer

    2 weeks ago

    London, Greater London, United Kingdom Elder Full time £60,000 - £100,000 per year

    About UsElder is a dynamic scale-up revolutionising the care industry by connecting older adults to self-employed carers through an innovative technology-driven introductory model. We are committed to using data-driven insights to continuously improve outcomes for our customers and carers.We are actively seeking a Senior Backend Engineer to scale, and...

  • Senior Backend Engineer

    3 days ago

    London, Greater London, United Kingdom Companion Group Full time £50,000 - £70,000 per year

    Job description Companion Group is a AAA co-development gaming studio with a globally distributed and fully remote setup, renowned for its adeptness in overcoming the most intricate challenges in multiplayer game development. Our reputation precedes us as an excellent choice for clients aspiring to elevate their latest multiplayer titles, enabling...

  • Senior Backend Engineer

    2 weeks ago

    London, Greater London, United Kingdom Companion Group Ltd Full time £50,000 - £70,000

    Companion Group is a AAA co-development gaming studio with a globally distributed and fully remote setup, renowned for its adeptness in overcoming the most intricate challenges in multiplayer game development. Our reputation precedes us as an excellent choice for clients aspiring to elevate their latest multiplayer titles, enabling scalability in player...

  • Senior Backend Engineer

    2 weeks ago

    London, Greater London, United Kingdom Hard Rock Digital Full time £80,000 - £100,000 per year

    Job description What are we building?Hard Rock Digital is a team focused on becoming the best online sportsbook, casino, and social gaming company in the world. We're building a team that resonates passion for learning, operating, and building new products and technologies for millions of consumers. We care about each customer's interaction, experience,...

  • Senior Backend Engineer

    6 days ago

    London, Greater London, United Kingdom Spotify Full time £60,000 - £120,000 per year

    Spotify's Audiobooks Mission is transforming how creators and listeners experience long-form storytelling. We're building the foundation that enables audiobook content to flow seamlessly from publishers to listeners — including the systems that power ingestion, processing, and delivery across a rapidly growing global catalog.We're looking for a Senior...

  • Senior Backend Engineer

    2 weeks ago

    London, Greater London, United Kingdom MANUAL Full time £60,000 - £120,000 per year

    MANUAL is a fast growing Healthtech scale-up, aiming to be the healthcare provider that millions of people trust as their partner to a long and healthy life. Our platform allows users to quickly and safely diagnose possible conditions, get treatment and support them afterwards to live a higher quality life. To do this we are building an all in one healthcare...