283 jobs found in London

Position: App Developer Location: Vauxhall/Stratford Day Rate: £600 p.d Outside IR35 Must hold active DV clearance A central government department is looking for an experienced App Developer to join a high-security programme. This role requires working on-site 5 days per week in Vauxhall, moving later to Stratford later on in the project. Due to the nature of the work, candidates hold UKSV DV clearance. Key Skills & Experience Strong expertise in Python, Docker, Kubernetes, and Data Governance Experience working in air-gapped environments, including managing dependencies and build pipelines without Internet access Proven background building APIs for data enrichment services Orchestration & data pipeline experience with Prefect or Airflow, and K8s or Swarm Configuration and automation of business workflow tooling (eg, Jira) Hands-on experience with a range of databases and storage technologies: Elastic, Mongo, Cassandra, Redis, S3 Desirable Skills...

Zscaler Security Engineer (ZIA/DLP) roles like this rarely come along where you can directly strengthen the internet security posture of a major UK enterprise. This is an opportunity to shape how sensitive data is protected, refine cloud security controls, and ensure Secure Service Edge capabilities perform at the level a large organisation demands.  You’ll be brought in to elevate an existing Zscaler platform — focusing on intelligent policy design, stronger data protection, and deeper visibility into web traffic behaviour. Working alongside cyber security specialists and platform vendors, your work will directly reduce risk, detect suspicious activity, and tighten controls across a complex enterprise environment.  What’s in it for you £600 per day contract outside IR35 Hybrid working with only two days per week onsite Opportunity to strengthen a large-scale Secure Service Edge platform Work with modern cloud security tooling and enterprise cyber teams Exposure to...

Cloud / DevOps Engineer | AWS | Terraform | Outside IR35 | £400–£500 | London | Hybrid We’re working with a technology-led organisation looking to bring in a Cloud / DevOps Engineer on a contract basis to support ongoing cloud infrastructure and platform development. This is a hands-on role focused on AWS infrastructure, automation and secure platform design. You’ll work closely with engineering teams to improve cloud environments, help drive infrastructure as code adoption and ensure systems are built with security in mind from the outset. In the role you will: Build and manage AWS infrastructure using Terraform Support secure-by-design (DevSecOps) cloud architecture and best practices Improve infrastructure automation and platform reliability Work alongside engineers to support delivery and deployments Contribute to CI/CD pipelines (Jenkins experience helpful) The contract is Outside IR35 , paying £400–£500 per day , starting ASAP , with an initial...

Interim Training Lead - Day Rate (Outside IR35) We're currently working with a leading PE-backed Entertainment company in their search for an Interim Training Lead. The role will run for an initial 3 month period with the view to extend after this time. Hybrid - London Office. Our client is looking for this person to run discovery + recommendation style support to look at basic training platform options and how to connect these with the new HRIS. They want to host a simple platform that other functional leaders can add content to. Due to the industry they operate in, health and safety is very important, so they need to be able to manage compliance effectively. The ideal candidate will have: Deep Training experience Have reviewed and recommended training platforms to organisations where health and safety is a key concern Exceptional stakeholder management Be available at short notice Depth of knowledge on training platforms and how to integrate with HRIS...

AWS Cloud Platform Engineer - Outside IR35 / 6 Months + / 80% Remote (1 day per week in London) We’re supporting a specialist technology consultancy, looking for a hands-on AWS Cloud Platform Engineer to join an upcoming engagement This is a practical, build-focused role. You’ll be working on AWS infrastructure, shaping and supporting cloud environments with a strong secure-by-design mindset from the outset You’ll ideally bring: Strong AWS experience across core services Terraform for infrastructure as code A security-first approach to platform engineering Jenkins pipeline experience would be beneficial Outside IR35, the contract is likely to last 12 + months. One day per week onsite in Central London, with the rest remote This role is suited to someone comfortable operating autonomously, contributing to engineering standards, and delivering clean, production-ready cloud infrastructure within a regulated environment If you’d like further...

IT Security Operations Engineer – London (4 days onsite / 1 day WFH) Up to £600 p/d (outside IR35) 3 month initial contract   A leading construction engineering business is seeking an SecOps Engineer to their team. They are a well-established business about to enter considerable operational change making it an exciting time to join and be a part of their journey.   This role carries responsibility for ensuring collaboration between Information Security and the IT Ops team, you’ll ensure the implementation of technical security controls supporting risk mitigation and contributing to the continual improvement of the business’s security composure.   Responsibilities: Provide expertise on application, network and infrastructure security Monitor security solutions including SIEM, threat detection and data security, endpoint protection, network analytics for alerts Provide documentation for technical...

Job Title: ITSM Solutions Architect Job Type: Contract Location: Hybrid (2 days a week in London) Day Rate: £500/day (OUTSIDE IR35) Contract Length: 6 months ITSM Solutions Architect - Role & Responsibilities Design and implement ITSM architectures that integrate with internal and external systems using APIs, ensuring scalability, security, and performance. Lead API integration strategies between ITSM platforms (e.g., ServiceNow, Jira Service Management) and enterprise applications. Collaborate with stakeholders (business, engineering, and operations teams) to translate business requirements into technical ITSM solutions. Define integration standards and governance for APIs, microservices, and service management workflows. Provide technical leadership and oversight during solution design, implementation, and ongoing optimization of ITSM services. ITSM Solutions Architect - Required Experience 5+ years experience in ITSM Solutions...

Senior Data Engineer - Contract - Outside IR35 3 days per week onsite, Central London £600 per day 6 months (extensions possible) FinTech | London We’re partnered with a fast-growing FinTech at the heart of Private Market Investments, looking to scale their Data function. What They’re Looking For Strong grounding in computer science fundamentals and data modelling Commercial experience with more than one programming language (Python, Scala, Java, C++) (and strong SQL skills) Experience with streaming and data processing (e.g. Kafka, Spark, Athena or similar) Hands-on experience with Azure Familiarity with data containerisation, ingestion, and orchestration Clear communicator who can explain technical decisions to non-technical stakeholders Why Join? Work on genuinely difficult engineering problems Exposure to large, complex systems in real production environments A culture built by engineers, for engineers 3 days per week onsite,...

Senior Data Engineer - Contract - Outside IR35 3 days per week onsite, Central London 6 months (extensions possible) FinTech | London We’re partnered with a fast-growing FinTech at the heart of Private Market Investments, looking to scale their Data function. What They’re Looking For Strong grounding in computer science fundamentals and data modelling Commercial experience with more than one programming language (Python, Scala, Java, C++) (and strong SQL skills) Experience with streaming and data processing (e.g. Kafka, Spark, Athena or similar) Hands-on experience with Azure Familiarity with data containerisation, ingestion, and orchestration Clear communicator who can explain technical decisions to non-technical stakeholders Why Join? Work on genuinely difficult engineering problems Exposure to large, complex systems in real production environments A culture built by engineers, for engineers 3 days per week onsite, Central London 6...

🚀 Contract Data Engineer (AI / LLM Focus) Outside IR35 | Hybrid – London (3 days onsite) 6-month initial contract OB are partnered with an innovative fintech platform connecting asset managers and private banks . They’re looking for a Contract Data Engineer to work at the intersection of data engineering, AI, and machine learning . You’ll help build scalable data infrastructure powering LLM-driven applications and advanced analytics , working closely with AI Engineers on pipelines that support experimentation, model training, and production AI systems. 🔧 What they’re looking for Strong Python & SQL Experience working with large / unstructured datasets Exposure to LLMs or vector databases Experience with Azure 📍 Role details Hybrid – London (3 days onsite) Outside IR35 6-month initial contract 💡 Opportunity to work on cutting-edge AI and LLM systems within fintech . 📩 Interested? Apply below or message me...

Data Engineer - Contract (AI/LLM Focus) Outside IR35 | Hybrid in London (3 days onsite) 6-month initial contract OB are partnered with a fintech platform connecting asset managers and private banks, currently looking for a Contract Data Engineer to work at the intersection of data engineering and AI/ML. The role focuses on building scalable data infrastructure for LLM-powered applications and advanced analytics, working closely with AI Engineers to design pipelines that support experimentation, model training, and production AI systems. Requirements: Experience with Data Modelling and Data Ingestion More than one programming language (Python, Scala, Java, C++, etc) Proactive use of AI in day-to-day work 📍Hybrid - London (3 days) Outside IR35 6-months initial contract Interested? Apply below for more information.

Freelance Senior Project Manager London (Hybrid – 3 days in) 6-month booking (with strong potential to extend) To £350 per day (little flex DOE)-(Outside IR35) An ambitious independent creative agency is looking for a delivery-focused Project Manager to join them on a 6-month freelance booking — with real opportunity to extend as the agency continues to grow. The Opportunity You’ll lead end-to-end delivery across integrated campaigns — spanning film, digital, social, print and branded content — ensuring projects run smoothly from brief through to launch and optimisation. You’ll sit at the heart of the action: Owning timelines from kick-off to approvals and final delivery Translating client objectives into clear, actionable briefs Coordinating creatives, production partners and external suppliers Keeping budgets tight and scopes crystal clear Acting as the steady, trusted point of contact for clients In short: you’ll be the engine room behind...

Interim Senior Transformation Officer Manager - (Day Rate - Outside IR35) We're working with a leading PE-backed Entertainment company in their search for an Interim Senior Transformation Office Manager. The role will run for an initial 6 month period and will be carried out on a hybrid working basis with 3 days per week in the London office. Our client is currently going through a period of significant growth focussed transformation. They're looking for this person to ensure that projects are governed, resourced, and aligned with company goals, by implementing robust tracking and governance tools. The ideal candidate will: Have a background building out TMO's Have worked to drive commercial transformation programmes Be available immediately Have exceptional stakeholder management

Governance / Data Governance / Data Analyst / Oracle / Fusion Job Title: Data Governance Lead Location: London (2 days per week onsite) Contract Type: Contract – 6 Months Day Rate: £700 per day IR35 Status: Outside IR35 Overview We are looking for a Data Governance Lead to support a major Oracle Fusion HR implementation programme . This role will focus on improving HR data quality, identifying root causes of data issues, and embedding practical data governance processes across the programme. This is a hands-on data role , suited to someone with a background in data analysis or data engineering , who is comfortable working directly with datasets to diagnose issues and drive improvements. The successful candidate will work closely with HR, transformation, and technology teams to ensure high-quality, well-governed data as part of the Oracle Fusion implementation. Key Responsibilities Lead data governance activities within an Oracle Fusion HR...

Business Analyst | Power & Gas SME | £800/Day OUTside IR35 | Energy Trading – 6 months rolling | Hybrid Business Analyst SME in the Power trading space is needed for a commodities & energy trading firm, covering both physical & derivative trading. With their continued growth and onboarding new products, in line with new regulatory changes, they need a ETRM SME Business analyst to work on Project lifecycle covering business requirements analysis, functional specification of changes, testing as required and support of UAT. As a Power Business Analyst – You will leverage your deep knowledge of the European power market, experience with ETRMs, middle - back-office systems, processes to ensure the successful delivery of business and technology changes. Strong BA skills are also essential in this new area of the business, as well as teasing out requirements to map them out in an Azure DevOps board with enough detail for the developers to elaborate on. As a...

Senior DevOps Engineer – PropTech – AWS, Terraform, Kubernetes, Startup – £500/day (OUTSIDE IR35) A fast-growing PropTech (property tech) firm, backed by industry-leading VCs and investors, is seeking a Senior DevOps Engineer. Operating as an all-in-one platform changing the future of commercial property, this innovative company is looking for a dynamic individual to level up how they build and ship software. The Senior DevOps Engineer's role: This is a high-ownership, contract position where you will be the sole DevOps person, serving as the go-to expert for all things infrastructure. You will own the AWS environment, driving a real push toward security best practices as the company works toward ISO 27001 certification. This isn't just about maintenance; it’s about making things better—creating tighter CI/CD pipelines and cleaner infrastructure-as-code within a collaborative, hybrid environment. Senior DevOps Engineer Key Responsibilities: • Own and improve the...

Interim Finance Transformation Manager | High-Growth Technology Scale-Up   Harmonic are delighted to be partnering exclusively with a fast-growing, international venture backed technology business in their search for an experienced Interim Finance Transformation Manager on a contract basis (Outside IR35).   Our client is on a rapid journey towards IPO and has multiple exciting growth and strategic initiatives on the horizon. This organisation operates a NetSuite-led finance tech stack and is now looking to optimise how systems interact, automate workflows, and improve reporting as the business continues to scale.   The Role   Reporting into senior finance leadership, you will lead a number of finance transformation initiatives centred around NetSuite optimisation, system integrations, and finance process improvement. The role will focus on ensuring NetSuite is configured and integrated effectively with surrounding platforms,...

We are seeking a Contract Data Product Manager to join a leading hospitality organisation at a truly exciting time of platform transformation and data modernisation. This role offers the opportunity to take ownership of a critical billing transformation workstream, focused on migrating and standardising complex billing data into a new enterprise data platform. The team are looking for an experienced Contract Data Product Manager who is comfortable stepping into an evolving environment, quickly understanding complex data flows, and driving delivery across multiple teams. This is a highly tactical role, requiring someone proactive, resilient, and able to bring structure to ambiguity while keeping delivery moving. Key Responsibilities: Own and drive delivery of the billing transformation workstream Manage the migration of billing data into a new data platform Map and understand data flows across existing systems Work with engineering, data, and business teams to...

We are seeking a Contract Salesforce Product Manager to join a leading hospitality organisation at a truly exciting time of transformation and modernisation. This role offers the opportunity to take ownership of a key system migration workstream, focused on moving a legacy client management platform onto Salesforce. The team are looking for an experienced Contract Salesforce Product Manager who is comfortable stepping into an evolving environment, quickly understanding existing systems, and driving delivery across multiple teams. Key Responsibilities: Own and drive delivery of the Salesforce migration workstream Lead the migration from a legacy client management platform to Salesforce Map and understand existing system processes and data flows Work with engineering, product, and business teams to ensure a smooth transition Support implementation across the Salesforce ecosystem, including CRM, Loyalty, and Revenue Cloud Ensure systems integrate effectively with...

IT Security Operations Engineer - London (4 days onsite/1 day WFH) Up to £600 p/d (outside IR35) A leading construction engineering business is seeking an SecOps Engineer to their team. They are a well-established business about to enter considerable operational change making it an exciting time to join and be a part of their journey. This role carries responsibility for ensuring collaboration between Information Security and the IT Ops team, you'll ensure the implementation of technical security controls supporting risk mitigation and contributing to the continual improvement of the business's security composure. Responsibilities: Provide expertise on application, network and infrastructure security Monitor security solutions including SIEM, threat detection and data security, endpoint protection, network analytics for alerts Provide documentation for technical standards to meet corporate security policies/industry best practice Perform security reviews, identify...