Lead Backend Developer

2 weeks ago


Bristol, Bristol, United Kingdom W3Global Full time £60,000 - £100,000 per year

Job Role- Lead Backend Developer
Work Location - Bristol, UK

Duration- 6 Months Contract
Experience: 15 Years
Job Description-
About the team
Our team is accountable for security within the mobile channel. We provide a suite of mobile security components, that provides an all-round security posture in mobile apps including associated services (penetration testing, obfuscation, consultancy etc.).

Our mission is to build a scalable, adaptable, and proactive approach to securing customer's mobile apps, enabling mobile engineers across the bank to operate with confidence and agility in an ever-evolving threat landscape.

We're passionate about our shared passion for delivering new features for customers across our brands in the mobile space.

What we need from you / essential skills & experience:

  • Extensive knowledge of writing secure scalable enterprise-grade Go applications
  • Experience of RESTAPIs, containerisation technologies, micro-services architecture
  • Ability to work collaboratively within a team as well as independently
  • Excellent analytical, problem solving, and strategic thinking skills
  • In depth knowledge of best coding practices, code management, agile development practices and continuous delivery
  • Understand how to performance optimise and fine tune backend applications to meet demanding NFRs

Desirable Knowledge & Experience

  • Experience of JAVA development
  • Experience with cryptography frameworks in go and JAVA
  • Experience with SQL databases
  • Experience and/or Interest in application security and/or mobile app security.
  • Experience with cloud environments including DevOps functions and pipelines

Skill Matrix

  • Senior Lead Java Backend
  • RESTAPIs
  • Containerisation technologies
  • Micro-services architecture
  • JAVA development
  • Cryptography frameworks in go and JAVA
  • SQL databases
  • cloud environments including DevOps functions and pipelines
  • Application security and/or mobile app security
  • Api developers with crypto experience working in mobility spa

  • Backend Developer

    6 days ago


    Bristol, Bristol, United Kingdom Ignite Digital Full time £40,000 - £80,000 per year

    Job Title: Backend Developer (Golang / Cross-Skilled)Location: Bristol (Hybrid 2 days in-office)Type: PermanentSalary: Competitive + Bonus + Share Scheme + BenefitsJoin one of the UKs most innovative digital companies as a Backend Developer, working on scalable, secure, and high-performance systems. We welcome applications from experienced backend engineers...


  • Bristol, Bristol, United Kingdom iO Associates Full time £70,000 - £80,000 per year

    Backend Software Engineer | Bristol | £70 - 80,000 (doe)Are you a talented and motivated Backend Software Engineer looking for an exciting opportunity to work on mission-critical financial systems?As a Backend Software Engineer, you will play a crucial role in building and maintaining the software systems that support our middle and back-office operations....


  • Bristol, Bristol, United Kingdom New Route Recruitment Limited Full time £25,000 - £50,000 per year

    Job Description Full Stack/Backend DeveloperJob context:We are an online sports betting affiliate, focusing on football, horse racing, greyhounds, American sports and more. The company operates a number of websites, along with associated social media accounts and mobile apps. The business employs approximately 25 permanent staff and also hires freelancers...


  • Bristol, Bristol, United Kingdom Imagination Technologies Full time £60,000 - £120,000 per year

    The roleYou will be part of a diverse and distributed team of engineers who maintain and develop our GPU compiler software, supporting a range of graphics and compute APIs while targeting multiple GPU generations with varying ISAs. The GPU compiler is a central part of the drivers that we develop for these APIs. As such, they are critical to achieving...


  • Bristol, Bristol, United Kingdom Lead Forensics Full time £28,000 - £30,000

    New Business Executive£28,000 - £30,000Uncapped OTE realistic OTE of up to £60,000 in your first yearMonday to Friday – Fully office basedBristolQuarterly overseas incentives – Ibiza, Barcelona, Las Vegas and Cancun25 days holiday + Bank HolidaysBudget for your self development2 paid charity volunteering daysDo you want to join a market leader is...

  • Java Developer

    2 weeks ago


    Bristol, Bristol, United Kingdom Lloyds Banking Group Full time £47,790 - £58,410

    End DateThursday 25 December 2025We support flexible working – click here for more information on flexible working optionsFlexible Working OptionsHybrid WorkingJob Description Summary.Job Description JOB TITLE: Java DeveloperSALARY: £47,790-58,410 per annumLOCATION(S): Bristol, Chester, Halifax, Leeds & ManchesterHOURS: Full-time – 35 hours per...


  • Bristol, Bristol, United Kingdom And Digital Full time

    Job Title: Senior Mobile DeveloperLocation: Cardiff/Remote (1-2 days a week on Site)Contract Length: 6 months (Starting ASAP)We are seeking a highly experienced Senior Mobile Developer with deep expertise in native mobile application development to design, build, and maintain high-performance mobile apps for iOS and/or Android platforms.Key Responsibilities...

  • Back End Developer

    7 days ago


    Bristol, Bristol, United Kingdom DELTACLASS TECHNOLOGY SOLUTIONS LIMITED Full time £60,000 - £120,000 per year

    About the teamOur team is accountable for security within the mobile channel. We provide a suite of mobile security components, that provides an all-round security posture in mobile apps including associated services (penetration testing, obfuscation, consultancy etc.).Our mission is to build a scalable, adaptable, and proactive approach to securing...


  • Bristol, Bristol, United Kingdom CareScribe Full time £45,000 - £75,000 per year

    At CareScribe, we design cutting-edge technology that helps people work smarter, communicate better, and create more inclusive environments. What began as a mission to make workplaces and education more accessible has evolved into building tools that help people all over the world focus, stay productive, and feel connected.Our products, Caption.Ed and...

  • IOS Developer

    1 week ago


    Bristol, Bristol, United Kingdom Free-Work UK Full time £75,000 - £90,000 per year

    iOS Developer6 Month contract initiallyLocation: BristolRate: £400 £450 p/d (via Umbrella company)We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for an iOS Developer to...