85 jobs found in London

Senior Software Engineer, App Experience, Contract, Outside IR35, Remote, My client, a global hospitality brand, is on the search for a Senior Software Engineer to join a cross-functional App Experience team, helping deliver a best-in-class mobile experience and supporting the rollout of a new feature-flag platform. This role will be predominantly backend work using Node, TypeScript and will involve working closely with API’s, updating / refactoring. What you’ll do Build and enhance backend services powering a widely used customer mobile app Ensure applications are performant, scalable, and secure Participate in agile delivery: code reviews, testing, deployments Integrate enterprise systems into custom-built architecture Tech you’ll work with Node.js, JavaScript, TypeScript, React Automated testing: Jest, React Testing Library, MSW, Maestro CI/CD & cloud tools such as Bitrise, GitHub Actions, Cloud Run, Cloud Build, Terraform React Native and...

Job Title: ServiceNow Project Manager Location: London (Hybrid – onsite up to 3 days per week) Salary/Rate: £500 (Outside IR35) Start Date: Immediately, ideally before Christmas 2025 Job Type: 6 Month Contract   Note: Experience in the legal sector is a significant advantage.   We have an exciting opportunity for a skilled ServiceNow Project Manager to join a fast-paced technology transformation programme. This role will support the delivery of critical IT initiatives and projects in a dynamic environment.   Job Responsibilities/Objectives   You will be responsible for leading ServiceNow-focused projects and ensuring successful delivery of technology initiatives. You will coordinate with multiple stakeholders, manage project timelines, and help define scope in a fast-paced and evolving environment.   Lead ServiceNow projects, focusing on ITOM, CMDB, and eBonding. Plan, manage, and...

Role: Staff Software Engineer Sector: Life Sciences Location: London Days Onsite: 3 per week Day Rate: £800 Outside IR35 Duration: 4 Months then to extend or go Permanent iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements Strong .NET / C# background Significant experience integrating and communicating with hardware devices Ability to handle Windows devices, drivers, and communication layers 8+ years of experience at a staff-level , capable of working autonomously Not a web-focused developer; needs to be fully hardware-integration oriented Beneficial Experience gRPC , REST APIs , HTTP Integrating devices in Life Sciences Robotics integration (robotic arms, 6-axis systems) If you're interested, please...

iO Associates are partnered with a leading R&D organisation in their search for a DevOps Engineer with Active SC Clearance. You'll be working close to the hardware and operating system, supporting the design, build and automation of the infrastructure. Location: 2-3 days / week on-site in London Day Rate: £525 - £600 / day Outside IR35 Contract: 6 Months What we're looking for: Strong Linux engineering skills (Ubuntu, RHEL or similar) Proven experience in on-prem or hardware-adjacent environments Strong programming/scripting skills (Python preferred, but Bash, Go, or similar also valued) Good knowledge of DevOps tools and practices (e.g., Ansible, CI/CD, GitLab, Jenkins, Terraform, PowerShell, Git etc.) Solid understanding of networking fundamentals A methodical, problem-solving mindset - able to diagnose difficult, low-level issues Someone pragmatic, collaborative and comfortable working in a fast-moving build phase The client are looking to...

Technical Business Analyst Day Rate: Circa £500 per day (Outside IR35) Location: Hybrid/London Contract: Initial 3 month contract About the Role A major UK public sector organisation is seeking an experienced Technical Business Analyst to support a high-profile digital transformation programme delivering fixed outcomes to challenging timelines. This role is ideal for a detail-driven analyst with strong technical capability, excellent stakeholder management, and a passion for data-led problem-solving. Key Responsibilities Gather, validate, and document detailed business and technical requirements Translate business objectives into technical specifications aligned with fixed deliverables and fixed outcomes Conduct in-depth analysis of existing systems, data flows, integrations, and processes Work closely with engineering, product, architecture, and delivery teams to shape solution options Lead and facilitate workshops, discovery sessions, and stakeholder...

Technical Business Analyst Day Rate: Circa £500 per day (Outside IR35) Location: Hybrid/London Contract: Initial 3 month contract About the Role A major UK public sector organisation is seeking an experienced Technical Business Analyst to support a high-profile digital transformation programme delivering fixed outcomes to challenging timelines. This role is ideal for a detail-driven analyst with strong technical capability, excellent stakeholder management, and a passion for data-led problem-solving. Key Responsibilities Gather, validate, and document detailed business and technical requirements Translate business objectives into technical specifications aligned with fixed deliverables and fixed outcomes Conduct in-depth analysis of existing systems, data flows, integrations, and processes Work closely with engineering, product, architecture, and delivery teams to shape solution options Lead and facilitate workshops, discovery sessions, and stakeholder...

SAP FICO Senior Consultant - S/4HANA, ECC, Finance Up to £690 (Outside IR35) London/Hybrid 12 months We are looking for an experienced SAP FICO Senior Consultant with deep S/4HANA expertise to lead our migration from ECC to S/4HANA. This role combines technical leadership with strategic insight, guiding IT and Finance teams through a transformative journey that optimizes processes and delivers measurable business value. Key Requirements: Proven experience as SAP FICO Senior Consultant Excellent knowledge of S/4HANA Finance best practices and architecture Proven experience in ECC to S/4HANA migration projects, including hands-on involvement in design and implementation. Practical expertise in finance modules, including features such as Parallel Ledger. Experience in migration from Classic GL to New GL. Strong understanding of data migration processes and financial transformation. Ability to lead cross-functional teams across IT and Finance. Exceptional...

Role: Staff Software Engineer Sector: Life Sciences Location: London Days Onsite: 3 per week Day Rate: £800 Outside IR35 Duration: 4 Months then to extend or go Permanent iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements Strong .NET/C# background Significant experience integrating and communicating with hardware devices Ability to handle Windows devices, drivers, and communication layers 8+ years of experience at a staff-level , capable of working autonomously Not a web-focused developer; needs to be fully hardware-integration oriented Beneficial Experience gRPC , REST APIs , HTTP Integrating devices in Life Sciences Robotics integration (robotic arms, 6-axis systems) If you're interested, please respond...

iO Associates are partnered with a leading R&D organisation in their search for a DevOps Engineer with Active SC Clearance. You'll be working close to the hardware and operating system, supporting the design, build and automation of the infrastructure. Location: 2-3 days/week on-site in London Day Rate: £525 - £600/day Outside IR35 Contract: 6 months What we're looking for: Strong Linux engineering skills (Ubuntu, RHEL or similar) Proven experience in on-prem or hardware-adjacent environments Strong programming/Scripting skills (Python preferred, but Bash, Go, or similar also valued) Good knowledge of DevOps tools and practices (eg, Ansible, CI/CD, GitLab, Jenkins, Terraform, PowerShell, Git etc.) Solid understanding of networking fundamentals A methodical, problem-solving mindset - able to diagnose difficult, low-level issues Someone pragmatic, collaborative and comfortable working in a fast-moving build phase The client are looking to get...

We’re looking for a Senior Security Engineer for our client in the data sector, based in London, on an initial 3 to 6 month contract paying up to £500 per day Outside IR35. This role offers hybrid working with an expectation to attend the office 3 days per week. You will focus on hands-on remediation across Azure and endpoint environments, improving Defender for Cloud findings, closing vulnerabilities, and strengthening security posture. The role is delivery-led and ideal for someone who enjoys fixing issues rather than only advising. The successful Senior Security Engineer will have experience with: Defender for Cloud, Defender for Endpoint and EASM Vulnerability remediation and Secure Score improvement Purview (DLP, sensitivity labels, insider risk) Compliance uplift for ISO 27001, SOC 2, GDPR and NIS2 Configuration hardening, patching and policy deployment Entra ID, Conditional Access, PIM and cloud identity controls PowerShell and Microsoft Graph for...

AWS ArchitectOutside IR35: £600 - £700 per dayASAP Start (5th Jan)Travel once a week / once every two weeks to LondonA leading international streaming platform is consolidating and modernising the core backend services that power its global content distribution. Multiple integration layers currently handled by external vendors are being brought fully in-house to enable stronger ownership, performance optimisation, and scalability. We are seeking a seasoned AWS Architect with deep API integration expertise to drive the design and delivery of secure, high-performance cloud services that underpin millions of users across North America and beyond. You will work closely with engineering squads to architect the solutions and ensure technical readiness for delivery teams. Key Responsibilities • Lead the architecture, design, and documentation of AWS cloud services and backend API integrations • Define API specifications, ensure conformance to design patterns, and prepare implementation...

We’re looking for an AWS Security Engineer for our client in the data sector, based in London, on an initial 3 to 6 month contract paying up to £500 per day Outside IR35. This role offers hybrid working with an expectation to attend the office 3 days per week. You will focus on hands-on remediation of cloud and application vulnerabilities across AWS environments. The position involves working closely with Developers, Data Engineers and the AWS Security Lead to validate findings, prioritise risk, implement secure fixes, and strengthen AWS security controls. This is a delivery-focused role where you will own issues end to end. The successful AWS Security Engineer will have experience with: Deep, hands-on AWS security across IAM, networking, compute, storage and serverless AWS security controls including IAM least privilege, VPC segmentation, private endpoints, WAF/Shield, KMS, secrets management and logging Operating AWS Security Hub, GuardDuty, Inspector, Config...

Salary: £500 - 550 per day + Outside IR35 Reference: 116638 Dynamics 365 Business Central – Finance Process Leads (x2) Contract: 12 months IR35: Outside IR35 Location: Hybrid – 2 days per week in London We are recruiting two Dynamics 365 Business Central Finance Process Leads to join a major finance transformation programme. These roles will shape and optimise Business Central processes across key finance areas and play a pivotal part in improving efficiency, reporting, and overall system adoption. As a Process Lead, you will be responsible for driving best-practice process design and functional improvements across Business Central. The two hires will collectively cover: Production Finance Accounts Payable Record to Report (R2R) Management Accounting You will work closely with finance teams, programme leads, and technology partners to ensure Business Central is configured, embedded, and used effectively across the organisation....

We’re looking for an AWS Security Engineer for our client in the data sector, based in London, on an initial 3 to 6 month contract paying up to £500 per day Outside IR35. This role offers hybrid working with an expectation to attend the office 3 days per week. You will focus on hands-on remediation of cloud and application vulnerabilities across AWS environments. The position involves working closely with Developers, Data Engineers and the AWS Security Lead to validate findings, prioritise risk, implement secure fixes, and strengthen AWS security controls. This is a delivery-focused role where you will own issues end to end. The successful AWS Security Engineer will have experience with: Deep, hands-on AWS security across IAM, networking, compute, storage and serverless AWS security controls including IAM least privilege, VPC segmentation, private endpoints, WAF/Shield, KMS, secrets management and logging Operating AWS Security Hub, GuardDuty, Inspector, Config...

We’re looking for a Senior Security Engineer for our client in the data sector, based in London, on an initial 3 to 6 month contract paying up to £500 per day Outside IR35. This role offers hybrid working with an expectation to attend the office 3 days per week. You will focus on hands-on remediation across Azure and endpoint environments, improving Defender for Cloud findings, closing vulnerabilities, and strengthening security posture. The role is delivery-led and ideal for someone who enjoys fixing issues rather than only advising. The successful Senior Security Engineer will have experience with: Defender for Cloud, Defender for Endpoint and EASM Vulnerability remediation and Secure Score improvement Purview (DLP, sensitivity labels, insider risk) Compliance uplift for ISO 27001, SOC 2, GDPR and NIS2 Configuration hardening, patching and policy deployment Entra ID, Conditional Access, PIM and cloud identity controls PowerShell and Microsoft Graph for...

Full job description Salary:  £500 - 550 per day + Outside IR35 Reference:  116638 Dynamics 365 Business Central – Finance Process Leads (x2) Contract: 12 months IR35: Outside IR35 Location: Hybrid – 2 days per week in London We are recruiting two Dynamics 365 Business Central Finance Process Leads to join a major finance transformation programme. These roles will shape and optimise Business Central processes across key finance areas and play a pivotal part in improving efficiency, reporting, and overall system adoption. As a Process Lead, you will be responsible for driving best-practice process design and functional improvements across Business Central. The two hires will collectively cover: Production Finance Accounts Payable Record to Report (R2R) Management Accounting You will work closely with finance teams, programme leads, and technology partners to ensure...

Location: Predominantly remote, occasional travel to London (18-day working month) Contract: Until March 2026 (extensions highly likely) Day Rate: £475-£500/day (Outside IR35) Start Date: January 2026 A Critical Government Department is seeking an SC-Cleared Technical Business Analyst to support a large-scale data migration programme . This role requires strong stakeholder communication skills, advanced data model analysis capability, solid SQL proficiency, and proven experience supporting cloud migration initiatives-ideally within AWS-based environments. Key Responsibilities Analyse SQL and AWS Athena data models, validating structures and business logic Review, refine, and maintain technical and business requirements Facilitate workshops with business users, data engineers, and architects Support migration of complex data models to AWS, identifying gaps, risks, and dependencies Translate business rules into user stories and contribute to Agile delivery...

Azure DevOps Engineer - £500-£600pd Outside IR35 - 100% Remote - 6 months We're working with a consultancy who are looking for a DevOps engineer who has strong Azure skills and very strong Kubernetes skills (ideally AKS). Skills: Strong Kubernetes Azure Terraform CI/CD Previous/Active SC or DV is desired (working on high side environments) 1 stage interview process. Azure DevOps Engineer - £500-£600pd Outside IR35 - 100% Remote - 6 months

Dynamics 365 Business Central - Finance Process Leads (x2) Contract: 12 months IR35: Outside IR35 Location: Hybrid - 2 days per week in London We are recruiting two Dynamics 365 Business Central Finance Process Leads to join a major finance transformation programme. These roles will shape and optimise Business Central processes across key finance areas and play a pivotal part in improving efficiency, reporting, and overall system adoption. As a Process Lead, you will be responsible for driving best-practice process design and functional improvements across Business Central. The two hires will collectively cover: Production Finance Accounts Payable Record to Report (R2R) Management Accounting You will work closely with finance teams, programme leads, and technology partners to ensure Business Central is configured, embedded, and used effectively across the organisation. What You'll Do Lead process design, optimisation, and functional...

NodeJS Developer - Data - TDD - AWS - 6 months - Paying up to £600 (Outside IR35) - Hybrid You will be an integral part of the Back End engineering team, building and developing the tooling and pipelines that form their data ingestion and modelling machine. Essential Skills: Must have signficant commercial experience with Node.JS Must have strong commercial experience with JavaScript ideally with ES6/7 features Also experience in Vue, Express or Sequelize Previous experience configuring, deploying, and monitoring applications and websites on AWS. You're comfortable working with relational and NoSQL databases, including complex queries and performance optimisation. Understand web design patterns, including SOLID principle and you have experience working in a collaborative, agile team environment. Familiar with automated testing and continuous integration and delivery practices The interview process has begun, so if you believe you have the right experience then...