87 jobs found in Croydon

Tech Lead - Python/Financial Modelling/AI - Pensions £650 - £750 per day Outside IR35 6 Month Contract Remote (Occasional London Travel) Overview I'm currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions for a major pensions client. This role sits at the intersection of financial modelling and modern engineering, supporting the development of platforms used for forward-looking financial analysis, including discounted cashflow projections and Monte Carlo simulations. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a team of senior developers. You'll also play a key role in shaping AI-assisted and agentic development workflows, helping embed these approaches into day-to-day engineering practices. The Role You will lead a team of four experienced engineers while remaining actively involved in...

Finance Transformation Programme Manager – Insurance Transformation Programme £700–£800 per day | Outside IR35 | 6-month rolling contract | Hybrid (UK/London) We are seeking an experienced Finance PM to join a major insurance transformation programme, delivering next-generation financial systems and reinsurance capabilities across a complex, multi-platform environment. This is a high-impact role sitting within a strategic change function, responsible for driving delivery across Accounting Hub and Reinsurance workstreams as part of a large-scale modernisation initiative. You will play a key role in shaping and delivering backlog-driven change across core insurance finance platforms. Role Overview You will act as the bridge between Finance, Reinsurance Operations and Technology teams, ensuring business requirements are translated into clear, prioritised deliverables within an Agile delivery framework. The programme spans multiple enterprise platforms including...

Contract Data Engineer / MLE (Databricks, GCP) Location: London (hybrid) Contract: Outside IR35 Day Rate: Negotiable ~ £600-£700 DW Search are partnering on a high-impact contract opportunity within a fast-paced, data-driven environment supporting portfolio company initiatives for a major asset management firm. This role sits at the intersection of Data Engineering and Machine Learning Engineering, with a strong focus on building and productionising end-to-end ML pipelines. You will be working on real-world applications of neural networks, enabling scalable feature engineering, model training, and inference in production. Key Responsibilities Build and productionise feature engineering pipelines for ML models Develop and manage training and inference workflows at scale Deploy and monitor machine learning models in production environments Collaborate with data scientists and engineering teams to optimise model performance and reliability Contribute...

🚀  Contract Full-Stack JavaScript Developer (AI Platform) 📍  Location:  3 days per week in London Office 📆  Duration:  4 weeks with a longer term extension afterwards. 💼  IR35 Status:  Outside IR35 💰  Rate:  £500p/d – £600p/d Opus is partnering with a cutting-edge  FinTech start-up  to secure a  Contract Full-Stack JavaScript Developer . You’ll be joining a small, high-calibre team building a platform to improve workflows within the the FinTech space. They have a genuinely interesting problem at the intersection of  frontend engineering, backend systems, and applied LLM tooling . This is a  true 0–1 build , ideal if you enjoy ownership, clean abstractions, and shipping product quickly. 🧠 What You’ll Be Working On Building and extending  agent-driven workflows. Developing  context management and LLM entry points.  Only application-layer LLM integrations, not model training) Expanding  slide generation functions and data structures. Full-stack feature development, with a...

Job Title: Contract Data Engineer (Banking Experience Required) Location: London (Hybrid) Day Rate: £550–£600 per day (Outside IR35 – subject to assessment) Contract Length: 6 months initial (extensions likely) Overview Chapman Tate are looking for an experienced Contract Data Engineer with a strong background in banking or financial services to support a range of high-priority data initiatives. You will play a key role in delivering scalable data solutions, enabling regulatory reporting, and improving data architecture across the organisation. Key Responsibilities Design, build, and optimise scalable data pipelines and ETL/ELT processes Integrate and transform large volumes of financial data from multiple sources Work closely with stakeholders across technology, risk, and business teams Ensure high standards of data quality, governance, and compliance Contribute to data platform enhancements and cloud migration projects Troubleshoot and...

Skills Python, TypeScript LLM frameworks (LangChain, LlamaIndex, OpenAI tools, Semantic Kernel) Vector databases (Pinecone, Weaviate, Chroma) Cloud (AWS / Azure / GCP) Docker, Kubernetes CI/CD, observability, testing for AI systems Experience Strong experience building LLM applications, RAG systems, or AI agents Understanding of prompt engineering, tool-calling, and orchestration frameworks Ability to work autonomously in a scale‑up environment A product-focused mindset — you enjoy owning features end‑to‑end Curiosity, creativity, and a genuine passion for AI Understanding of start/ scale up environments Details 12 month contract  Fully remote (London office optional)  £500-600p/d (outside IR35)

Data Privacy Consultant A Global Organisation requires a Contract Data Privacy Consultant to bridge commercial and privacy teams, clear delivery blockers, deliver a critical first-party data initiative, and uplift standards to enable scalable, compliant execution. Day Rate: £500-£600pd IR35 Status: Outside Duration: 6 months Travel: 2 days a week in Central London Office This Data Privacy SME will have the following previous experience: Act as the critical link between Product, Marketing, Engineering, and Privacy translating fast-moving commercial initiatives into robust, privacy-compliant outputs. Take ownership of stalled and rejected work, bringing the required rigour and detail to push projects through to approval and completion. Deliver a business-critical first-party data project for paid marketing ensuring it is properly documented, compliant, and aligned to core KPIs. Produce and refine key outputs including data flows, DPIAs, cookie...

Contract Full-Stack JavaScript Developer (AI Platform) Location: 3 days per week in London Office Duration: 4 weeks with a longer term extension afterwards. IR35 Status: Outside IR35 Rate: £500p/d - £600p/d Opus is partnering with a cutting-edge FinTech start-up to secure a Contract Full-Stack JavaScript Developer . You'll be joining a small, high-calibre team building a platform to improve workflows within the FinTech space. They have a genuinely interesting problem at the intersection of Front End engineering, Back End systems, and applied LLM tooling . This is a true 0-1 build , ideal if you enjoy ownership, clean abstractions, and shipping product quickly. What You'll Be Working On Building and extending agent-driven workflows. Developing context management and LLM entry points. Only application-layer LLM integrations, not model training) Expanding slide generation functions and data structures. Full-stack feature development, with a Front...

Senior Java Developer (Spring Boot) | Fintech Savings | LTD CO OUTSIDE IR35 | 6 months | London Hybrid Our Fintech client based in London seeks a proactive, hands-on Senior Java Developer with solid expertise in Java Development using Spring Boot. The ideal candidate MUST HAVE previous experience working in a startup/scaleup Fintech environment . Any ISA product implementation/integration experience is an advantage but not essential. Role Overview Our client is hiring a hands-on Java Developer to support delivery and development of Savings products within their engineering function. The emphasis is on people who can work proactively and be technically self sufficient. Required Experience for the Senior Java Developer with Spring and Fintech experience: Strong hands-on Java development Spring Boot experience FinTech experience within a Banking startup/scaleup Highly Desireable Development experience with ISA implementations/ISA integrations...

Transition Manager - £600 - £700 a day - 6 months - Outside IR35 - London/Hybrid We are supporting a Government client on a very large programme focussed on IT Service Management and Application Development. We are looking for an experienced Transition Manager with a Central Government background who has previously transitioned from multiple suppliers to a single supplier. The role is Programme/Delivery focussed.

Contact Centre Architect/SME Location: London (Hybrid - likely 2 days onsite) Duration: 3 months (extensions likely) Start: May 2026 Rate: Outside IR35 - Circa £600 - £650 p/d We're looking for a highly experienced Contact Centre Architect to join a consulting team delivering strategic advisory into enterprise clients. This is a true SME role - acting as a trusted advisor to assess, challenge, and optimise contact centre strategies, architecture, and technology investments. Key Responsibilities: Advise clients on contact centre strategy, architecture, and governance Evaluate existing platforms, identifying strengths, limitations, and risks Review and optimise technology roadmaps and operating models Provide practical, experience-led guidance (not theoretical consulting) Lead discussions with senior stakeholders across business and technology Produce and present strategic recommendations and documentation Required Experience: Deep...

AWS DevOps Engineer | £600 - £635 We're working with a leading specialist technical consultancy delivering high-impact digital transformation for the UK's most critical public sector projects on this exciting opportunity. We are seeking a heavyweight AWS DevOps Engineer to take full ownership of cloud infrastructure and testing lifecycles within a secure government environment. This is a high-autonomy role where you will leverage Kubernetes, Terraform, and advanced CI/CD patterns to build resilient, scalable public sector services from the ground up. The Role Lead the design and implementation of highly secure AWS cloud architecture spanning compute, storage, and networking. Deliver robust Infrastructure as Code (IaC) using Terraform, CloudFormation, or Ansible to ensure repeatable, audited environments. Build and orchestrate containerised workloads using Docker and Kubernetes to drive service efficiency. Architect and maintain sophisticated CI/CD pipelines across...

Java Developer (React / Java) – SC Cleared Contract | £600/day | Outside IR35 We’re supporting a high-profile public sector programme and are looking for an experienced SC Cleared Java Developer to join an established delivery team. Key Details: Rate: £600/day (Outside IR35) Clearance: Active SC required Start Date: ASAP Location: 1–2 days onsite per week (UK-based) Interview Process: 2 stages Responsibilities: Develop and maintain backend services using Java (~70% of workload) Build frontend interfaces using React (~30% of workload) Collaborate with cross-functional teams in an Agile delivery environment Contribute to architecture decisions and engineering best practices Support secure, scalable, high-performance application delivery Required Experience: Strong commercial experience in Java (Spring Boot preferred) Solid React frontend experience Proven track record working in secure or government environments...

AWS DevOps Engineer | £600 - £635 We're working with a leading specialist technical consultancy delivering high-impact digital transformation for the UK's most critical public sector projects on this exciting opportunity. We are seeking a heavyweight AWS DevOps Engineer to take full ownership of cloud infrastructure and testing lifecycles within a secure government environment. This is a high-autonomy role where you will leverage Kubernetes, Terraform, and advanced CI/CD patterns to build resilient, scalable public sector services from the ground up. The Role Lead the design and implementation of highly secure AWS cloud architecture spanning compute, storage, and networking. Deliver robust Infrastructure as Code (IaC) using Terraform, CloudFormation, or Ansible to ensure repeatable, audited environments. Build and orchestrate containerised workloads using Docker and Kubernetes to drive service efficiency. Architect and maintain sophisticated CI/CD pipelines across...

SailPoint Solution Architect - ISC/IIQ Certified - Hands-On Configuration - IGA experience requirement for an urgent start. The SailPoint Solution Architect - ISC/IIQ Certified - Configuration - IGA experience will be working for an award winning security bsuiness. SailPoint Solution Architect - ISC/IIQ Certified - Hands-On Configuration - IGA experience Key Skills: SailPoint Solution Architect with hands-on configuration and delivery experience Solid IGA architecture background, including JML, access requests, approvals, and certification campaigns Proven experience designing and configuring RBAC, SoD controls, and access governance models Integration experience with AD, Microsoft Entra ID (Azure AD), and HR systems Confident operating in a client-facing environment, providing design authority and best-practice guidance SailPoint Solution Architect - ISC/IIQ Certified - Hands-On Configuration - IGA experience - Contract - Hybrid/Remote UK - Outside IR35

Job Title: M365 Migration Engineer (ShareGate) Location: Remote (may need some flex in working hours to accommodate some US East Coast overlap) Contract: 3-4 months Start: 2-3 weeks IR35: Outside IR35 Rate: £580-650 a day The Opportunity We're supporting a tenant-to-tenant M365 migration following a recent acquisition, and need an experienced M365 Migration Engineer to lead the data migration piece. This is a fresh project, not a recovery job, working alongside the seller's IT team to migrate data cleanly and efficiently into the new tenant. It's a focused engagement with clear deliverables, ideal for someone who has done this before and can hit the ground running with ShareGate-led migrations. The Role You'll take ownership of the migration activity, ensuring data is moved accurately, securely and with minimal disruption. Key responsibilities include: Delivering tenant-to-tenant migrations using ShareGate Migrating data across SharePoint...

Golang Backend Engineer – Contract (Outside IR35) London - Hybrid £650–£700/day Immediate start preferred We’re working with a fast-moving team building out a Golang backend function and they’re looking for a strong Backend Engineer with Go experience to come in and make an impact from day one. This is a backend-focused role , working on scalable services in a modern cloud environment. What you’ll be doing Building and scaling backend services using Golang Working within a cloud-based architecture (AWS) Collaborating with a wider engineering team to deliver high-quality, performant systems Tech stack Go (Golang) – essential AWS React (nice to have, not required) What they’re looking for Strong commercial experience with Golang Solid backend engineering fundamentals Experience working in cloud environments (AWS) Able to hit the ground running in a fast-paced team

Our requirement is part of a managed service with a strategic customer where we require an experienced Operational Technology Programme Manager to join the Information Security Portfolio with active and new Prgrammes/Projects. START: 01/06/2026 DURATION: 12 MONTHS RATE: £550 - £700 PER DAY (OUTSIDE IR35) LOCATION: HYBRID - (LONDON 2 DAYS PER WEEK) + INTERNATIONAL TRAVEL CLEARANCE: DV The OT Security Programme Manager is responsible for managing the planning, coordination, and delivery of security control implementation across strategic and site-based Operational Technology (OT) projects. As the Programme Manager for OT security initiatives, they will lead control implementation, drive cross-departmental collaboration, and maintain strong stakeholder and supplier relationships. The successful candidate will provide oversight to ensure all programme activities meet regulatory requirements, industry best practices, and organisational goals, while promoting accountability, and...

Data Engineer Tecknuovo is a digital delivery partner with a Deliberately Different approach. This means we focus on people, not technology. We move at pace and ensure Zero Dependency on us at the end of each project. What you'll be working towards We are currently looking to engage with Data Engineers on a large organisation project within the public sector. The successful candidate will have: Azure Python MS Fabric PowerBI Your Journey : Passing the TeckBar The Teckbar is a benchmark we set for our associates to make sure we consistently deploy bestin-class teams to work with our clients. Talent Screen: Our Talent Team will be in touch to talk Tecknuovo, the role & values Tech Screen: We'll focus on real-life experience and deep dive into your technical background Offer: Job Done! During the process, we promise you'll have: An understanding of Tecknuovo's mission and values Feel that this is where you want to work...or not...

Senior Full Stack Developer - Outside IR35 - Contract - Current SC Essential We are looking for a senior full-stack developer to join our team, working collaboratively in a fast-paced environment with some ambiguity. This is a senior dev role with a focus on supporting more junior members of the team and sharing that with the existing tech lead. The product is a note-taking and summarisation tool for use in local government, for which the remaining technical work mainly comprises infrastructure, evals, technical improvements, and UCD-driven product features. Must have: Experience mentoring junior developers Previously given responsibility for a chunk of delivery Comfortable working in Python and Typescript + React Full-stack developer Nice to have: previous experience with AWS, Terraform, any UK government projects Slightly nice to have but lower priority: LLM/AI experience and Next.JS £600 per day outside IR35 Start date: 13/04/2026 End date:...