17 lead technical developer jobs found

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...

  kdb+ Contractor (Capital Markets)   Join the world’s largest kdb+ Consultancy where every query matters, every millisecond counts and every system you build shapes the future of data-driven finance. At Data Intellect , we thrive on solving complex data challenges in high-stakes environments. We’re a team of engineers, problem-solvers and collaborators who believe in pushing boundaries, not egos. If you're a proficient kdb+ developer ready to lead, innovate and make an impact, we want to hear from you. Job Description As a Senior kdb+ Engineer at [DI] you’ll be at the forefront of delivering high-performance, scalable solutions for some of the world’s most data-intensive financial institutions. You’ll: Lead technical delivery on client projects, setting the standard for quality and performance. Design and implement robust kdb+ architectures that...

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...

Senior Mobile Security Developer - Contract (Inside IR35) 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...

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...

  Job Title: Cloud Network Engineer (contract) Location: London Hybrid (2-3 days a week in Canary Wharf) Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer Day Rate: Competitive (Inside IR35)   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.   The Role We are looking for a Cloud Network Engineer to help deliver secure, resilient and scalable network platforms across AWS, Google Cloud and on-premise environments. You will design and automate multi-cloud...

Location London, Greater London (Hybrid) Department Data Governance Employment Type Contractor Minimum Experience Senior Manager/Supervisor Who we are Billigence is a boutique data consultancy with global reach, transforming the way organisations work with data. We use proven, cutting-edge technologies to design, tailor and implement advanced Business Intelligence solutions across Cloud Data Warehousing, Visualisation, Data Science and Engineering, and Data Governance.   About the role We are looking for an experienced Data Security Consultant / Security Lead to join a client’s data security transformation programme. This is a hands-on leadership role, where you will be responsible for leading an 8-person Data Security team while also providing hands-on expertise across data security, data privacy and governance. You will work...

World Wide Technology (WWT), a 36-year-old global technology integrator and IT solutions provider. Through our culture of innovation, we inspire, build, and deliver business results from idea to outcome. World Wide Technology Holding has an opportunity for a Network Engineer who can own design, automation and lifecycle management of global core network infrastructure. The ideal candidate brings deep Cisco IOS-XR and NSO automation expertise, with a track record leading large-scale network migrations, software upgrades, and hardware refresh programmes across a complex global estate. This is a contract Role & Inside IR35 Network Engineer Contract Duration: 6 months Location: Hybrid, 2 days onsite per week  Key Responsibilities Develop and maintain Cisco NSO automation, service models, and workflows. Lead migration and transformation across Cisco 8000, ASR 9000, and NCS platforms. Design and support large-scale WAN, MAN, and Optical...

Contract - Software & DevOps Engineer Job Type Contract Date published 12-Oct-2026 Req # 25464 Job description Job Title: Software & DevOps Engineer Location: London Hybrid Duration: 12 months Contract Start Date: November, ASAP Day Rate: Competitive (Inside IR35)   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.   The Role This role requires a senior software engineer specializing in Java and JavaScript development to design, build, and secure...

ERP Technical Lead (SAP/ Oracle Integration & E-Invoicing)_London (Contract/ Perm) ERP Technical Lead (SAP/ Oracle Integration & E-Invoicing) London (Hybrid) Start ASAP FTC / Inside IR35 Contract   We're looking for an experienced SAP/ Oracle Technical Lead to lead ERP integration and e-invoicing workstreams across a complex enterprise transformation programme. You'll work closely with ERP Leads, Project Managers, Business Teams, GPOs, and technical teams to ensure successful delivery of SAP/Oracle ERP integrations, e-invoicing solutions, and critical project milestones.   What You'll Be Doing Lead technical delivery across ERP integration and e-invoicing initiatives. Support ERP Leads and Project Managers with technical assessments and project governance. Coordinate Developers, QA, Middleware, Security, Infrastructure, and Integration teams. Manage risks, dependencies, actions, and technical deliverables....

Are you a Geospatial Data Scientist looking to grow your expertise and make a difference on projects across the world? This is a contract opportunity (inside IR35). We are seeking an experienced Senior Geospatial Data Specialist to provide immediate project delivery support on a major international programme. You will take ownership of GIS activities, working with multidisciplinary teams to manage spatial data, undertake analysis, produce high-quality outputs, and maintain effective GIS standards.   Key responsibilities Lead day-to-day delivery of the project’s GIS workstream. Manage, validate, and integrate spatial and non-spatial datasets. Undertake geospatial analysis and translate findings into clear insights. Develop efficient, automated data processing and quality-control workflows. Establish and maintain standards for data quality, accuracy, mapping, and metadata. Produce clear maps, dashboards, and other client-ready outputs....

Job description Job Title: Cloud Network Engineer (contract) Location: London Hybrid (2-3 days a week in Canary Wharf) Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer Day Rate: Competitive (Inside IR35)   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.   The Role We are looking for a Cloud Network Engineer to help deliver secure, resilient and scalable network platforms across AWS, Google Cloud and on-premise environments. You will design and...

Business Operations Transformation Consultant (Contract) About the role Tecknuovo has grown quickly, and many of the processes, controls and ways of working that support our business have evolved organically alongside that growth. As we look ahead, we want to take a more deliberate approach to how our internal business operations work together, ensuring we have the right foundations to support our next stage of growth. Our business operations remit extends beyond our core corporate functions of Legal, Governance, Risk and Compliance (GRC), IT, People and Finance. It also includes the operational infrastructure supporting our consultant community, quality assurance, frameworks and accreditations, business systems, suppliers, health and safety, and facilities. While these areas are functioning, ownership and responsibilities have developed across different teams over time. This has created opportunities to improve how processes connect, clarify accountability, reduce...

Contract - Lead Intelligent Automation & Low-Code Consultant - SC Cleared Inside IR35 Contract Initial 6 months (likely extension) London - Hybrid working Start ASAP - Must have active SC Clearance   About Scale Factory We are an AI enablement consultancy. Delivering quality-led AI-first foundations, embedding capability and excellence into the foundational fabric of the companies we work with. We give leaders the confidence to move faster, take smarter risks and pursue transformation.   Formerly Ten10, we have deep roots in Quality which means we don’t just build for the future, we ensure it actually works. We combine this engineering discipline with cutting-edge AI expertise to deliver robust, scalable foundations that turn ambitious transformation into reliable reality.   About the Role We are looking for a Lead Intelligent Automation & Low-Code Consultant who has active SC Clearance with a...

Are you a Geospatial Data Scientist looking to grow your expertise and make a difference on projects across the world? This is a contract opportunity (inside IR35). We are seeking an experienced Senior Geospatial Data Specialist to provide immediate project delivery support on a major international programme. You will take ownership of GIS activities, working with multidisciplinary teams to manage spatial data, undertake analysis, produce high-quality outputs, and maintain effective GIS standards.   Key responsibilities Lead day-to-day delivery of the project’s GIS workstream. Manage, validate, and integrate spatial and non-spatial datasets. Undertake geospatial analysis and translate findings into clear insights. Develop efficient, automated data processing and quality-control workflows. Establish and maintain standards for data quality, accuracy, mapping, and metadata. Produce clear maps, dashboards, and other client-ready outputs....

As a Principal Product Designer, you are a discipline expert. You set the benchmark for quality and best practice. You are passionate about what you do and motivate those around you. You are a strong consultant who can foster positive and trusted relationships with our clients. You're comfortable providing end-to-end product design leadership across a multi-team programme, as well as high-value consulting services to shape a client's digital product strategy or to develop and launch early product initiatives to prove their value to senior stakeholders. You are a people person and, as a trusted advisor, you develop rapport with your team and clients. You are an integral part of the product team at Red Badger and a client-facing cross-functional team working in Lean/Agile ways of working. You are responsible for coaching and supporting the designers on the project and at Red Badger. You support the definition of Red Badger's overall product direction and strategy. You're...

Job Title: Cloud Network Engineer (contract) Location: London Hybrid (2-3 days a week in Canary Wharf) Duration: 4 months Contract Start Date: ASAP *please note that onboarding will take 4-6 weeks from the offer Day Rate: Competitive (Inside IR35)   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.   The Role We are looking for a Cloud Network Engineer to help deliver secure, resilient and scalable network platforms across AWS, Google Cloud and on-premise environments. You will design and automate multi-cloud and hybrid...