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16 back end developer jobs found

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6 Months or more back end developer
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Contract Spy
Oct 23, 2026
6 Months or more
Senior Mobile Security Developer at Waracle, London/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (London, UK)
Waracle are looking for a Senior Mobile Security Developer (Inside IR35) for an exciting new 6-month initial contract joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.   We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a UK-based Inside IR35 Contract role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London or Edinburgh office or on client site. The Role As a Senior Mobile Security Developer, you will define squad-level technical architecture...
Contract Spy
Oct 23, 2026
6 Months or more
Senior Mobile Security Developer at Waracle, Edinburgh/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (Edinburgh, UK)
Waracle are looking for a Senior Mobile Security Developer (Inside IR35) for an exciting new 6-month initial contract joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.   We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a UK-based Inside IR35 Contract role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London or Edinburgh office or on client site. The Role As a Senior Mobile Security Developer, you will define squad-level technical architecture...
Contract Spy
Oct 16, 2026
6 Months or more
Senior Mobile Security Developer at Waracle, London/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (London, UK)
Waracle are looking for a Senior Mobile Security Developer (Inside IR35) for an exciting new 6-month initial contract joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.   We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a UK-based Inside IR35 Contract role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London or Edinburgh office or on client site. The Role As a Senior Mobile Security Developer, you will define squad-level technical architecture...
Contract Spy
Oct 16, 2026
6 Months or more
Senior Mobile Security Developer at Waracle, Edinburgh/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (Edinburgh, UK)
Waracle are looking for a Senior Mobile Security Developer (Inside IR35) for an exciting new 6-month initial contract joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.   We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a UK-based Inside IR35 Contract role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London or Edinburgh office or on client site. The Role As a Senior Mobile Security Developer, you will define squad-level technical architecture...
Contract Spy
Oct 12, 2026
6 Months or more
Senior .NET Engineer at Reapit Ltd, Fully Remote, to 5/27, to £750 per day (Outside IR35)
£650 - £750 per day
Contract Spy Remote
Fully remote, outside IR35 contract role until 31/05/2027 - up to £750 per day Reapit - Who are we? Reapit is the original end-to-end business technology provider for estate agencies of all sizes. We've been helping sales and lettings agents build relationships and grow their businesses for more than 25 years. Our technology empowers property professionals across Europe, the Middle East, Australia, and New Zealand to work with buyers, sellers, tenants, and landlords to deliver a dream home experience. Worldwide, over 100,000 agents across more than 15,000 branches use Reapit to run their businesses, manage properties, collect rent, engage clients, and provide outstanding customer service every time. What you'll be doing Reporting to the Director of Engineering, you'll operate as a highly senior, technically hands-on Back End engineer, Embedded into a squad and owning delivery of substantive, cloud-native services end-to-end. Ad-hoc client...
Contract Spy
Oct 09, 2026
6 Months or more
Senior Mobile Security Developer at Waracle, London/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (London, UK)
Waracle are looking for a Senior Mobile Security Developer (Inside IR35) for an exciting new 6-month initial contract joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.   We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a UK-based Inside IR35 Contract role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London or Edinburgh office or on client site. The Role As a Senior Mobile Security Developer, you will define squad-level technical architecture...
Contract Spy
Oct 09, 2026
6 Months or more
Senior Mobile Security Developer at Waracle, Edinburgh/Remote, 6 Months initial, £Contract Rate
Contract Spy Hybrid (Edinburgh, UK)
Waracle are looking for a Senior Mobile Security Developer (Inside IR35) for an exciting new 6-month initial contract joining our world-class digital technology consultancy, home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.   We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations.   This is a UK-based Inside IR35 Contract role, offering the flexibility to balance your professional and personal life, with 2 days a week spent connecting with colleagues in our London or Edinburgh office or on client site. The Role As a Senior Mobile Security Developer, you will define squad-level technical architecture...
Contract Spy
Oct 22, 2026
6 Months or more
Programme Manager at Aviva, Norwich, 6 Months, £Contract Rate
Contract Spy Norwich, England, United Kingdom
Strategic VA Programme Manager Location: Norwich, NR1 3NS IR35 Status: Inside IR35 Contract Duration: 6 months   A bit about the job   We're looking for an experienced Strategic Virtual Assistant (VA) Programme Manager to lead Aviva’s end-to-end Virtual Assistant transformation programme, overseeing strategy, design, delivery and governance.   Working across business, digital, data, technology and operational teams, you'll be responsible for bringing together multiple workstreams to deliver a coordinated and successful programme.   You'll work closely with senior stakeholders across Aviva, BCG, Group CIO teams and specialist functions, including Risk, Compliance, Legal and Architecture, ensuring alignment on priorities, delivery milestones and strategic outcomes.   This is a key leadership role requiring strong programme management, structured planning and stakeholder engagement skills, alongside a...
Contract Spy
Oct 22, 2026
6 Months or more
AI Data Scientist at Handelsbanken Plc, London, 12 Months, £Day Rate
Contract Spy London, UK
AI Data Scientist (12 Month Day Rate Contractor) Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers, deepen...
Contract Spy
Oct 21, 2026
6 Months or more
AI Engineer at Handelsbanken Plc, London, 12 Months, £Day Rate
Contract Spy London, UK
Posted 1 hour ago  Contract  Competitive     AI Engineer - 12 Month Day Rate Contract Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and...
Contract Spy
Oct 16, 2026
6 Months or more
Network Solution Architect/Technical Lead at NetStone Global Ltd, London/Remote, 6 Months, £Contract Rate
Contract Spy Hybrid (London, UK)
Network Solution Architect/Technical Lead Location: London (2-3 days/Hybrid) Job Overview We are seeking an experienced Network Solution Architect/Technical Lead to lead the end-to-end design, delivery and implementation of enterprise network solutions across LAN, WAN, WLAN, Data Centre, SD-WAN, Security and Cloud environments. The successful candidate will act as the technical authority, ensuring network solutions are scalable, secure, resilient and aligned with business requirements and technical standards. Key Responsibilities Lead network architecture, solution design and technical governance across enterprise infrastructure projects. Develop, review and approve High-Level Designs (HLDs), Low-Level Designs (LLDs) and technical documentation. Provide technical expertise across LAN, WAN, WLAN, Data Centre, SD-WAN, Security and Cloud connectivity. Conduct requirements gathering, project scoping, technical assessments and risk analysis. Review...
Contract Spy
Oct 15, 2026
6 Months or more
AI Engineer at Handelsbanken Plc, London, 12 Months, £Day Rate
Contract Spy London, UK
AI Engineer - 12 Month Day Rate Contract Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers, deepen their...
Contract Spy
Oct 12, 2026
6 Months or more
AI Engineer at Handelsbanken Plc, London, 12 Months, £Day Rate
Contract Spy London, UK
AI Engineer - 12 Month Day Rate Contract Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers,...
Contract Spy
Oct 09, 2026
6 Months or more
Programme Manager at Deloitte, UK/Remote, 8 Months initial, £Contract Rate
Contract Spy Hybrid (UK)
Job Title: Programme Manager Location: UK (Remote) Duration: Initially 8 month with scope for extensions Contract Start Date: ASAP IR35: Inside   Deloitte Working with the Deloitte Associate (Contractor) Programme means we can offer you the opportunity to work on a variation of industry and client related projects. Our aim is to retain the best talent and so when your project end date nears our team of Talent Community Advisors will be working with you to look at alternative projects within the firm that suit your experience should you wish to continue with Deloitte.   Role: We are looking for a highly experienced and dynamic Programme Manager to lead a large-scale, end-to-end review of a workplace booking service. The programme will assess current processes, technology tools, user journeys, governance and operating model, identifying opportunities to create a simpler, more consistent and effective workplace...
Contract Spy
Oct 08, 2026
6 Months or more
Salesforce Developer at Handelsbanken Plc, London, 12 Months, £Competitive Day Rate
Contract Spy London, UK
Salesforce Developer (12m Day Rate Contractor) Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers, deepen...
Contract Spy
Oct 06, 2026
6 Months or more
Salesforce Developer at Handelsbanken Plc, London, 12 Months, £Competitive Day Rate
Contract Spy London, UK
Salesforce Developer (12m Day Rate Contractor) Job Introduction Handelsbanken combines a long-established relationship banking model with secure, resilient, and customer-focused technology. Our technology teams enable the Bank's decentralised way of working, delivering systems built for stability, trust, and long-term value. We are on a multi-year technology and digital transformation journey to enhance customer experience and improve how colleagues work together. By modernising platforms, simplifying processes, and better connecting data and systems, we help relationship teams focus on customers and less on complexity. Our decentralised culture extends to technology. Teams are trusted to take ownership, make informed decisions, and deliver sustainable, high-quality solutions. We value engineering excellence, pragmatic problem-solving, and strong collaboration across technology, business, and risk. We offer technologists the opportunity to build lasting careers, deepen...
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