76 jobs found in London Borough of Havering

Software Engineer, Developer, Backend – Java – Identity - IAM Contract – Until End of December 2026 (Renewable) Rate: £500 per day – Inside IR35 Location: Essex based offices (between Brentwood and Basildon) 4 days a week The banking and finance arm of one of the world’s leading manufacturing companies and a household name is seeking a software engineer, software developer with Backend, Back End and Identity Access Management (IAM) expertise. The Backend Software Engineer will join the Identity Management Services team, (IAM) focusing on the core platform work that powers identity infrastructure. Main Tasks & Responsibilities: > Design and build high-scale backend services > Serve as a technical lead to upskill the team in modern, industry-leading application development. > Ensure the platform is secure and resilient > Leverage expertise to elevate the team's technical standards and foster a culture of excellence in backend engineering. Essential Skill and...

Interim Payroll & Employee Payments Lead – Contract Location: London (Hybrid) Contract length: 6 months Rate: £529.54 per day (Umbrella only) IR35: Inside An opportunity has arisen for an experienced Interim Payroll & Employee Payments Lead to support a large public sector organisation during a critical period of payroll and ERP change. This is a senior oversight role focused on governance, assurance, and compliance within an in‑house payroll environment. It is not a payroll processing or data‑entry position. About you Suitable candidates will demonstrate: * Senior experience leading in‑house payroll functions in large organisations * Hands‑on SAP and SuccessFactors payroll experience (essential) * Public sector background with strong governance awareness * Detailed payroll knowledge including HMRC compliance, PSA, and year‑end processes * Experience overseeing complex payroll structures (weekly, four‑weekly, and/or monthly) * Experience supporting ERP...

RLE International is working on behalf of their Essex based Automotive Client, who are currently looking for a Functional Safety Systems Engineer to support their team. Position Description: Rate: £29.59 (via Umbrella PAYE) – increasing to £38.38 after 12 weeks under AWR’s (Agency Worker Regulations) Our client is seeking a Functional Safety Systems Engineer to join their core team in the Essex. You will be a key player in ensuring complex, distributed technologies including powertrain, infotainment, and active safety meet the highest safety standards. Using Model-Based Systems Engineering (MBSE), you will bridge the gap between research and production, turning "what if" into "what’s next." As a key member of an exciting team leading Functional Safety activities in Product Development, this role involves working with technology subject matter experts to conduct Functional Safety analysis using efficient model-based systems engineering (MBSE / SysML) tools. Additionally, you will...

IT SerivceDesk Analyst Location: Uxbridge (Hybrid) Duration: 3 Months Initially Day Rate: £300 IR35: Outside Role Overview We are seeking a customer-focused IT Support Officer to provide high-quality, front-line IT support to users within a higher education environment. Acting as the first point of contact for IT queries, you will deliver technical assistance across various channels including in-person, phone, email, and chat. The role requires a proactive approach to problem-solving, a strong customer service ethic, and the ability to work collaboratively within a wider IT support team. Key Responsibilities Provide friendly, professional, and customer-focused front-of-house IT support Assist users with device connectivity, printing, software access, and general IT enquiries Monitor, prioritise, and resolve support tickets within agreed service levels Deploy and support hardware and equipment in line with institutional standards Apply ITIL-aligned service management...

DevOps Platform Administrator Location: Remote (UK-based) Contract: 12 months (Inside IR35 - umbrella only) Security Clearance: Active/eligible SC clearance required Are you an experienced DevOps Platform Administrator looking for an exciting opportunity to work with a reputable client? We are hiring for a skilled professional to manage and optimise the client's tooling infrastructure, ensuring platforms like GitLab, Jira, and Confluence run smoothly, securely, and efficiently. This is a fantastic chance to contribute to critical infrastructure while supporting internal teams with configuration, access, and platform management. What you'll be doing: Managing and maintaining GitLab, Jira, and Confluence platforms to ensure high availability and optimal performance Supporting internal teams with platform configuration, access management, and troubleshooting Ensuring the security and integrity of the tooling infrastructure, adhering to best practices Assisting with cloud...

SIT Test Manager 12 months Remote Inside IR35 - umbrella only Active SC clearance required, eligible candidates will be considered Role overview: The SIT (Systems Integration Testing) Test Manager is responsible for leading and managing all aspects of SIT within the programme, overseeing readiness and preparation activities, creating and managing the test plan and coordinating the execution of the phase in alignment with the objectives of the phase. The SIT Test Manager will be an experienced professional with a strong background in software quality assurance and testing. Key responsibilities will include test plan development and execution, coordination of testing activities and resources, oversight on the defect management of SIT defects, stakeholder collaboration, reporting and process refinement and phase closure activities. Skills: Good leadership skills and ability to manage stakeholder relationships Good organisational skills Excellent attention to detail...

Director of Information Security (Contract) London (3 days onsite) Up to £675 per day (Outside IR35) 3-month rolling contract A leading media organisation is seeking a Director of Information Security to drive both the strategy and execution of cyber security across a global environment. This is a high-impact role reporting to the CTO, with responsibility for security operations, risk, incident response, and overall security maturity across the business. Key Responsibilities Lead global IT and product security Own risk management, SOC, and incident response Drive security strategy, governance, and awareness Deliver key programmes (cloud, identity, vulnerability management) Engage at C-suite level, translating risk into business decisions Build and lead a high-performing security teamWhat We're Looking For Proven leadership in enterprise cyber security environments Strong background across multiple security domains Experience managing teams, vendors, and security operations...

Cloud/AI/ML/Transformation/Agile Role: Project Manager (Contract) - AI / Machine Learning Programme Day Rate: Up to £585 a day (Inside IR35) Contract Length: Until March 2027 (extension likely) Location: Hybrid - 2-3 days per week onsite (London) Start: ASAP Overview We're looking for an experienced Project Manager to support the delivery of a machine learning proof-of-concept within a large-scale operational environment. This is a high-impact role focused on stakeholder coordination, system integration, and delivery of AI-driven insights, with strong potential to expand into broader AI initiatives over time. Key Responsibilities Coordinate multiple stakeholder groups across different departments with varying priorities Manage integration points between a machine learning model and existing enterprise systems Work with operational KPIs and dashboards used at scale across a nationwide network Build strong relationships proactively and drive clarity in an environment where...

Job Title: Lead AI Technical Architect (Generative AI) Location: Remote (UK Based) Contract Length: 6 Months (High potential for extension) Rate: £550 per day (Inside IR35) Security Clearance: Active SC Clearance Required The Opportunity We are seeking a heavyweight AI Technical Architect with a 15-year pedigree in IT and a deep specialization in the Azure ecosystem. This is a pivotal role sitting at the intersection of Enterprise Architecture and cutting-edge Generative AI. You will be responsible for technical governance, stakeholder management, and the hands-on design of sophisticated AI solutions for a high-profile project. The Role As the Lead Architect, you will guide a dedicated team through the complexities of deploying and fine-tuning generative models. This isn't just a "high-level" role-we need someone who can design the blueprint and then dive into the Python/PySpark code to ensure the foundation is rock solid. Key Responsibilities: Architect & Design: Lead...

Data Scientist - (Generative AI & LLMs) 📈12 Months Contract Inside IR35 📍London - 2 days a week in the office 💰£500 a day A top tier consultancy firm is currently seeking an experienced Data Scientist to join a dynamic team focused on leveraging Large Language Models (LLMs) and advanced machine learning to drive tangible business value. This is a pivotal role where you will take ownership of the end-to-end model lifecycle-from initial conceptualisation and prompt engineering to production deployment. As a Data Scientist, you will act as the technical architect behind our AI solutions. You won't just be building models; you will be defining how AI transforms our operations. Key Responsibilities: Work directly with stakeholders to understand their challenges, define what needs to be built, and set the benchmarks for a successful project. Select the best AI models and language frameworks for the job and design the training strategies to ensure the AI performs exactly as...

Cloud Network Architect Initial 3-month Contract Fully Remote £650 - £700 | Inside IR35 We are working with a global IT Services Provider seeking an experienced Cloud Network Architect to support the migration from FortiGate to Azure Firewall within a complex enterprise environment. Responsibilities: Lead the design and migration from FortiGate to Azure Firewall Assess existing Azure Landing Zones and hybrid network architecture Design secure and scalable Azure networking solutions Manage routing design across Azure Firewall, VPN Gateway and ExpressRoute Perform firewall ruleset and feature parity analysis Identify risks, gaps and mitigation strategies throughout the migration Provide technical governance and architectural oversight across delivery teams Work closely with customer stakeholders, engineers and third-party partners Requirements: Proven experience migrating Azure FortiGate to Azure Firewall Strong experience with Azure Networking & Security Architecture...

Job Title: Technical Solutions Consultant (Hybrid - Central London) Duration: June 2026 - December 2026 (6-month contract) Location: Central London (Hybrid: 3 days onsite, Tue-Thu) Rate: £35 -40 per hour (PAYE / Rolled-up Holiday) Work Week: Full-time, 40 hours The Opportunity Are you a developer who loves solving puzzles and talking to people? We are looking for a Technical Solutions Consultant to act as the vital link between our cutting-edge technology and our global partners. In this role, you aren't just "writing code"-you are a strategic advisor. You will help clients translate their business goals into technical reality, build custom solutions, and ensure our products are integrated perfectly. What You'll Do Consult & Design: Meet with internal teams and external clients to understand their needs and design the technical "blueprint" for their success. Code & Build: Write solution code (primarily JavaScript/HTML) to create custom tools, prototypes, and...

I am recruiting for a Network Architect to work 1-2 days a week in London, remaining time remote. The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. Candidates must have experience of AWS and Azure. It is also essential for you to have experience of Cisco. The environment is a mix of AWS, Azure and on-prem with predominantly Cisco Physical and virtual appliances. You must be able to assess and 'unpick' what has been completed in AWS and Azure and be comfortable documenting this. You must then be able to propose any improvements focusing on IoC and Automation. You must also have expertise in cloud network security. Please apply ASAP if you match the requirements

Salesforce Data 360 Architect 6 Months Mostly remote- 3-4 days per month in London £Market rate (Inside IR35) ***Due to the nature of the client and the role, the selected candidate will have ACTIVE SC Clearance*** My client, a government body are seeking a Salesforce Data Cloud Architect to join their Salesforce Practice in UK&I. This role will play a key part in driving data driven innovations, providing data-driven insights and enabling data-driven decision-making for our enterprise customers. Key Responsibilities Lead Salesforce Data Cloud solution design and implementation Act as the SME for Salesforce Data Cloud/Data 360 Design scalable data models, integrations, and customer data strategies Work with stakeholders to translate business requirements into technical solutions Support pre-sales, solution estimation, and best practice guidance Provide technical leadership across full project lifecycles Mentor teams and drive knowledge sharing Required Experience...

Role: ML Engineer Type: 12 months Contract Location London, UK(2 days per week) We are looking for a high-caliber AI Engineer to join a global leader in the Insurance and Fintech space. You won't just be building chatbots; you will be designing and orchestrating Autonomous Agentic Systems that reason, plan, and execute complex workflows. This is a unique opportunity to work at the intersection of Generative AI and robust software engineering, applying cutting-edge LLM techniques to high-stakes, real-world data. What You'll Be Doing Agentic System Design: Build intelligent AI agents capable of autonomous task execution using LLMs and advanced reasoning frameworks. LLM Specialization: Implement RAG (Retrieval-Augmented Generation) pipelines and fine-tune models using PEFT/LoRA to create domain-specific insurance experts. Production Engineering: Design and maintain robust ETL/ELT pipelines and manage the lifecycle of models using Docker, Kubernetes, and CI/CD. Responsible AI:...

Data Engineering Lead Certain Advantage are hiring for a Data Engineering Lead based in London. This role is on an initial contract till the end of the year and is required to be onsite 3 days a week. The successful candidate will lead the data acquisition function by defining ingestion strategy and building Azure-based data pipelines. You will translate end-user requirements into scalable engineering solutions, act as the domain’s primary Data Manager for data governance, lineage, quality, and master data management, and lead a team of data engineers in delivering reliable, compliant, and high-value data solutions to Trading, Risk, Finance, and Operations. Your responsibilities: Own ingestion strategy and define scalable batch/streaming data patterns Design and deliver Azure-based data pipelines and platform solutions Standardize connectors, schemas, controls, CI/CD, IaC, and automated testing Lead onboarding of enterprise and market data sources with SLAs and...

Senior Data Engineer – (Tick data, Time-Series; kdb+ / Q ) 3-6 months initially. London 3 days onsite   Are you a Data Engineer with a background in systematic trading who has worked with granular tick market data? Have you built pipelines to allow tick data to be ingested into a time series tech stack utilising kdb+ and Q? If so keep reading!   Certain Advantage are recruiting on behalf of our London based trading client for a Data Engineer to focus on building a scalable data platform for algorithmic trading.   You’ll Identify and implement solutions for Quants and Traders, providing data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics.   Your Project Work: Identify and implement solutions to provide data that will be used to improve strategies performance and produce clients TCA, pre- and post- trade analytics. Work with business Stakeholders to build new and maintain existing real-time and historical data services and...

Data Architect - Housing Association Transformation Contract | ASAP Start | £(Apply online only) per day | Outside IR35 We are seeking an experienced Data Architect to join a major transformation programme within a leading Housing Association. This is an exciting opportunity for a seasoned data professional to play a key advisory and architectural role across enterprise-wide change initiatives. The successful candidate will bring strong experience in classic architecture services, enterprise data governance, data modelling, and transformation delivery, ideally within the Housing Association or Social Housing sector. Key Experience Required Strong background as a Data Architect within large-scale transformation environments Previous experience working within a Housing Association / Social Housing organisation Deep understanding of how data operates within Housing Associations Proven experience delivering: Data Governance frameworks Enterprise Data Models Data Migration...

I'm looking for a Lead Backend Software Engineer to shape backend architecture, drive engineering excellence, and guide teams building high‑performance digital products used at scale. This is a hands‑on leadership role where you’ll influence technical strategy, mentor engineers, and ensure backend systems are robust, secure, and future‑ready. What you’ll be doing Lead backend architecture – Define and evolve scalable, secure, high‑performance backend systems Set engineering standards – Champion best practices, secure coding (OWASP), and high‑quality delivery Hands‑on technical contribution – Support critical backend work and review complex code Guide teams & mentor engineers – Facilitate design discussions, code reviews, and technical decision‑making Improve tooling & CI/CD – Enhance pipelines, build processes, and operational workflows Drive continuous improvement – Reduce technical debt and introduce modern backend approaches Support compliance – Ensure systems align...

DevOps Tester +6 months + +Fully remote working +SC cleared - must hold current active clearance +Sole British nationals only - due to nature of the project Skills: +AWS +Kubernetes +Public Sector experience +Testing experience - can set the Testing process up from beginning to end and to be able to own it We're looking for an experienced DevOps Tester, this is a pivotal role in maintaining critical national infrastructure where scalability and resilience are essential. We're looking for a highly skilled DevOps engineer with a strong background in testing (including APIs). The ideal candidate should be self-motivated and results-driven, capable of thriving in an Agile team. You'll need to be comfortable with Confluence for documentation and Jira for project tracking and story management. Your main responsibility will be to develop and structure a comprehensive test framework. This includes creating approaches and plans, gaining approval for those approaches, and...