313 jobs found in London

Senior / Lead Software Engineer (Java) | Outside IR35 | Hybrid (2 Days Onsite in central London) A large retailer urgently seeks an experienced Senior Software Engineer with extensive Java expertise to take a lead role in the design,development and support of scalable, cloud-native backend applications. Working within an Agile, DevOps environment, you'll help build high-performance microservices, APIs and event-driven solutions powering a next-generation fulfilment platform used at significant scale. This is an exciting greenfield programme, working alongside engineers, operations and product teams to deliver software that supports critical business operations. Essential Experience Extensive commercial experience developing enterprise applications with Java and Spring Boot Proven track record designing and delivering high-throughput, distributed microservices at scale Strong experience building event-driven architectures using Kafka Expertise with...

Senior/Lead Software Engineer (Java) | Outside IR35 | Hybrid (2 Days Onsite in central London) A large retailer urgently seeks an experienced Senior Software Engineer with extensive Java expertise to take a lead role in the design,development and support of scalable, cloud-native Back End applications. Working within an Agile, DevOps environment, you'll help build high-performance microservices, APIs and event-driven solutions powering a next-generation fulfilment platform used at significant scale. This is an exciting greenfield programme, working alongside engineers, operations and product teams to deliver software that supports critical business operations. Essential Experience Extensive commercial experience developing enterprise applications with Java and Spring Boot Proven track record designing and delivering high-throughput, distributed microservices at scale Strong experience building event-driven architectures using Kafka Expertise with PostgreSQL and...

IT Security Project Manager Day Rate: £550-£600pd IR35 Status: Outside Travel: 1 day a week in Central London Office Duration: Initial 6 months Responsibilities: Take ownership of the Security & Compliance workstream, ensuring security, regulatory and resilience requirements are successfully delivered across cloud migration and operational transition programmes. Coordinate security, risk and compliance activities across multiple technical and business teams, embedding PCI, DORA, audit and governance requirements into every stage of delivery. Drive resilience planning by managing resilience testing, production readiness and recovery assurance, ensuring risks and control gaps are identified, managed and resolved ahead of key milestones. Experience delivering security, compliance or resilience projects within regulated environments, with a strong understanding of cloud security, operational resilience, PCI, DORA and audit requirements. Financial services...

Service Desk Engineer (L1) An opportunity has opened up for a Service Desk Engineer (L1) to join an established on-site team supporting a private healthcare company in Kensington, London. This is an immediate start contract, giving you the chance to build hands-on experience across incident, problem and request management within a structured, SLA-driven service desk environment. You'll benefit from a hybrid working pattern balancing on-site collaboration with remote flexibility, a competitive outside IR35 day rate, and the potential to extend your contract well beyond the initial term as the account grows. If you're looking for immediate work with a supportive team, genuine exposure to ITIL-aligned service desk processes, and the opportunity to develop your career in a healthcare-adjacent IT environment, this role is worth a look. Responsibilities: Respond to customer incidents and requests logged via email, portal, phone and walk-ups Resolve incidents and...

Service Desk Engineer L1 - 3/6 Month Contract - Outside IR35 - Hybrid, Kensington Rate: £150 per day OUTSIDE IR35 Length: 3/6 Month Contract Location: Kensington, London (Hybrid, 3 days on-site/2 days remote) Role Overview: Our client, is seeking a Service Desk Engineer (L1) to join an established on-site IT team providing first-line support to users across a range of technologies. The role holder will triage contacts made to the Service Desk, troubleshooting and resolving incidents, fulfilling requests within agreed service levels, and escalating to other resolver groups and vendors where appropriate. Initially the role will focus on services delivered to one private healthcare site, with potential to expand to other customers and sectors in future. This is a hands-on, customer-facing role suited to someone with strong troubleshooting skills, a structured approach to ticket management, and a genuine focus on customer experience. Key Responsibilities:...

Ecommerce AI Engineer Office location: Paddington, London Working arrangement: Hybrid Day rate: £250-275 Contract status: Outside IR35 Working hours: 8 hours per day Contract duration: 12 months Salt is partnering with a forward-thinking company at the forefront of AI, technology and digital commerce to hire an Ecommerce AI Engineer. You will join a collaborative, commercially focused team, building innovative AI products, E-commerce platforms and digital tools that improve customer experience and business performance. The Role As the Ecommerce AI Engineer, you will combine software engineering, AI implementation and commercial problem-solving to build digital platforms and intelligent tools that support business growth. You will develop high-performing websites, booking and E-commerce journeys, AI communication agents, dashboards and automated workflows. Working closely with engineering, marketing, management and commercial stakeholders, you will turn...

Senior Full-Stack Developer - VR Contract, Outside IR35 London A technology company working in immersive streaming is looking for a senior full-stack contractor to build a new streaming application for Meta Quest, extending an existing headset application using a PWA and WebXR approach. The contract would be for an initial 6 months, with possible scope to extend. They are ideally looking for someone available to start ASAP. Requirements: Strong commercial TypeScript across the full stack React and Next.js on the frontend Node.js and REST APIs on the backend PostgreSQL, Docker and AWS Experience with WebXR, Meta Quest or PWAs is preferred, as is any background in video streaming or latency-sensitive applications.

London (Hybrid) £400 to £450/day Outside IR35 12-month contract Active SC Clearance required ⚡ ASAP start iO Associates are looking for an experienced Cloud Network Engineer to support a major secure cloud transformation programme within the UK public sector. You'll play a key role in designing, implementing and managing networking for a Google Distributed Cloud (GDC) environment, helping deliver secure, resilient infrastructure for mission-critical services. Key Responsibilities Design and implement resilient cloud and hybrid network architectures. Configure secure site-to-site connectivity, VPNs and private interconnects. Manage VPCs, routing, peering and IP address management (IPAM). Deploy and maintain load balancing and private DNS solutions. Design and secure Kubernetes (GKE) networking, including network policies, private control planes and Istio Service Mesh. Monitor and troubleshoot network performance using flow logs and observability tooling. Essential...

Oracle DBA - SC Cleared / Outside IR35 An Oracle DBA is required for an early September start. Responsibilities: - Installation and Upgrades: Deploy Oracle database software, apply patches, and perform version migrations. - Backup and Recovery: Design and test RMAN backup strategies to prevent data loss. - Performance Tuning: Monitor system metrics, optimize SQL queries The role is based remotely and is outside IR35 for 3 to 6 months initially. Extensions are likely. To be considered for the role please send over your latest CV. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 10 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced...

Dynamics D365 Developer - Outside IR35 / Remote A number of D365 Developers are required. You will have extensive experience to customise and development of D365 CE/CRM capabilities. The ideal candidate will design, develop, and implement solutions within the Dynamics 365 ecosystem while integrating with Azure services and other third-party applications. Skills: - D365 CE / CRM - .Net, C#, Javascript, TypeScript - Experience developing PCF components and plugins. - Integrating Azure Functions, Service Bus, and other Azure resources. - Experience in RESTful API development and integration with third-party services. - Familiarity with Power Automate, Logic Apps, and Dataverse Web API. The role is for 6 months initially with extensions highly likely. This is a home based role outside IR35. To be considered please send your CV over. LA International is an award-winning partner of choice for many of the world's most influential companies and government...

Ecommerce AI Engineer Office location: Paddington, London Working arrangement: Hybrid Day rate: £250-275 Contract status: Outside IR35 Working hours: 8 hours per day Contract duration: 12 months Salt is partnering with a forward-thinking company at the forefront of AI, technology and digital commerce to hire an Ecommerce AI Engineer. You will join a collaborative, commercially focused team, building innovative AI products, ecommerce platforms and digital tools that improve customer experience and business performance. The Role As the Ecommerce AI Engineer, you will combine software engineering, AI implementation and commercial problem-solving to build digital platforms and intelligent tools that support business growth. You will develop high-performing websites, booking and ecommerce journeys, AI communication agents, dashboards and automated workflows. Working closely with engineering, marketing, management and commercial stakeholders, you will turn business requirements...

.NET Developer - London - £500-550 per day (.NET, C#, SQL, AWS, API Development) We're working with an industry leading E-commerce site that are looking for several .NET Developers to join them for an initial 6-month projects as part of an ongoing transformation. These roles will require travel to their City based office 3 times per week as part of their hybrid working model. These roles fall outside of IR35 . Key responsibilities include: Migrating services from their current hosting environment onto their cloud-native platform. Upgrading services to .NET 10 . The majority of services are currently running on .NET 8 and are expected to be relatively straightforward lift-and-shift migrations. A smaller number of Legacy services are currently running on .NET 6 and may require rebuilding, refactoring or remediation before they can be upgraded. Supporting migration of underlying data stores from on-prem environments into AWS-hosted solutions. Working alongside existing...

Salesforce Developer - SC Cleared / Outside IR35 Our client is looking for a Salesforce Developer with hands on experience designing and implementing Salesforce solutions. hands on development experience across Apex, Lightning Web Components, configuration, and integrations where required. The contract is for 3 months initially outside IR35 with extensions likely. The role is based remotely. Candidates need to be based in the UK. To be considered for the position please forward your CV. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 10 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are...

Business Analyst Content Strategy, Contentful & Headless CMS We 're looking for an experienced Business Analyst with strong Contentful and headless CMS experience to join our Content Domain team and help shape the next phase of our enterprise content platform. You 'll play a key role in designing scalable content models, improving governance and enabling teams to maximise the capabilities of Contentful across multiple digital products and channels. This is a hybrid strategic and delivery-focused role, combining business analysis, structured content modelling and content system enablement. You'll help evolve the organisation from a centralised "content gatekeeper " model to a scalable, self-service approach that enables Product, UX and Engineering teams to move faster with greater consistency, confidence and reuse. Working closely with Product, Experience Design, Engineering and Platform teams, you'll help define scalable, reusable and API-ready content structures...

We have an exciting opportunity for experienced Java developers to join our team! You will have a passion for software development and an excellent understanding of how to define and deliver solutions iteratively and collaboratively. You will be involved in all areas of delivery, with the technical gravitas to mentor and inspire the development team; playing an integral part in helping them continuously improve by sharing your own knowledge, experience and insights. You will be confident in challenging business requirements to ensure you are continuously delivering the best possible outcome, harnessing innovation and driving the adoption of new technologies to deliver business value. Your vision and ambition will contribute to shaping our online technology roadmap, influencing our future technical direction and balancing passion with precision to deliver exceptional online service and solutions for our customers.   This is an initial 12 month contract that sits...

Job Responsibilities The role will focus on analysing the existing databases, schemas and data structures that support core line-of-business applications, and producing clear documentation to help development teams understand, rebuild, migrate and integrate data into modern platforms and cloud-hosted database technologies. This role is critical to this application modernisation and data transformation initiative, ensuring source systems are accurately analysed and documented. The role will be responsible for focussing on a specific legacy custom line of business application that is tightly integrated with an ‘off the shelf’ Trust and Corporate Services platform. Analyse existing databases, applications and source systems relating to the firms inhouse portal service and accompanying entity management system to understand structures, relationships, dependencies and constraints. Create detailed database documentation including schemas, tables, columns, relationships,...

Senior Analytics Engineer – ThoughtSpot Contract | Up to £550 per day | Outside IR35 We’re looking for an experienced Senior Analytics Engineer to play a key role in a major data and analytics transformation. You’ll help accelerate the move to a modern, AI-powered analytics platform built around ThoughtSpot & Snowflake. This is a hands-on role where you’ll create trusted semantic models, migrate existing Power BI reporting and enable teams across the business to access accurate, intuitive and genuinely useful insights. What you’ll be doing Designing and building scalable semantic models across ThoughtSpot and Snowflake Developing and optimising Snowflake data models for reporting and AI use cases Translating existing Power BI reports, DAX and business logic into the new platform Creating high-quality ThoughtSpot Liveboards, visualisations and self-service analytics Enriching models with business definitions, context and metadata to improve the...

We are now seeking a Technical BA with strong experience in JSON schema and an IT background. Some knowledge of insurance is beneficial but not essential. This role is for a Technical Business Analyst experienced in JSON schemas and APIs, with a solid IT background. Working outside IR35, the BA will focus on technical requirements, particularly JSON schema development and API integration, supporting various financial and insurance services projects. Some insurance knowledge is helpful, though not required, as the primary focus is technical proficiency in JSON and APIs. Key Responsibilities Develop and document JSON schemas. Collaborate with technical and business teams for API integrations. Provide technical insights and recommendations. Ensure alignment with IT and business needs in schema and API solutions. Required Skills/Experience Proven experience with JSON schema development and API integration. IT background with strong technical analysis...

Our client, a leading global commodities trading organisation, is seeking a senior quality assurance professional to play a critical role in one of its most strategic technology initiatives. This is a unique opportunity to join a high-profile transformation programme that will deliver a next-generation, fully integrated trading platform across Front Office, Middle Office, and Finance functions. You'll be responsible for driving programme-wide quality assurance across multiple technology ecosystems, ensuring successful delivery of a business-critical platform that will support global energy trading operations. Working directly with senior programme leadership, business stakeholders, and technology teams, you'll have the authority to define QA standards, govern UAT readiness, and influence key go-live decisions across one of the industry's most ambitious technology programmes. Job Title: QA Lead Job Type: Contract Location: London or Geneva Working Arrangement:...

Mobile App Tech Lead (React Native) – iOS & Android Contract | Remote | Outside IR35 £700–750 per day | ASAP start A well-established, globally prestigious organisation is looking for a Mobile App Tech Lead to own the technical direction of its React Native application across iOS and Android, with the platform potentially extending to WeChat in future. This is a hands-on leadership role. You'll set the architecture, define engineering standards, and make sure everything shipped is secure, scalable and built to last. You'll also oversee external delivery partners, reviewing their solutions and holding the line on technical quality and risk. What you'll be doing: Owning mobile architecture, integration and engineering governance end to end Setting technical direction and ensuring solutions are secure, scalable and maintainable Reviewing external vendor delivery: solution quality, technical risk, and output Working with internal backend and platform...