36 information technology jobs found in Croydon

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...

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...

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...

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...

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...

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:...

Business Data Architect – Digital Bank Build 📍London 2-3 days per week 💼 Contract (Outside IR35) | 💰 Up to £650/day | ⏳ 6–12 months | 🚀 ASAP start We’re hiring a Business Data Architect to help shape the data foundations of a greenfield digital banking platform. This is a key role focused on data architecture, governance, and integration design—enabling scalable, high-quality data across core banking systems and analytics. What you’ll do Define domain data models (Customer, Account, Transactions, Product) Design architecture for a cloud-based Enterprise Data Platform Create integration artefacts across core banking & external APIs Establish data governance & MDM (ownership, stewardship, golden records) Develop CRUD matrices & data lineage Enable BI & operational reporting Partner with business & engineering teams to align data with product and regulatory needs What we’re looking for 5+ years in Data Architecture (banking /...

Full Stack Developer (TypeScript / React / Node.js) – DV Cleared Contract | £600–£650/day | Outside IR35 We’re supporting a high-profile programme within the secure government space and are looking for an experienced DV Cleared Full Stack Developer to join an established delivery team. Key Details: Rate: £600–£650 per day (Outside IR35) Clearance: Active DV required Start Date: End of April Location: 1–2 days onsite per week (UK-based) Interview Process: 2 stages Responsibilities: Build and maintain scalable full stack applications using TypeScript, React, and Node.js Develop secure, high-performance APIs and front-end interfaces Deploy and manage applications within AWS cloud environments Collaborate with cross-functional teams in an Agile delivery setting Contribute to architecture decisions and best practice engineering standards Required Experience: Strong commercial experience across TypeScript, React, and Node.js...

Senior Project Manager - Data Migration, ERP Transformation - 6 months, remote, to £600 p/d outside IR35 A Senior Project Manager is required to work on a large ERP transformation programme, managing the migration of data from Legacy ERP systems to a new ERP platform Infor. You will have extensive BI, Data project management experience, ideally gained within a manufacturing/Retail/Supply Chain/Logistics environment and have managed data/data warehouse migrations within a large ERP environment through to delivery. You will have good knowledge of ERP systems (SAP/Oracle/Dynamics/Infor), BI, data warehouse technologies, data governance, data integration, data cleansing, data quality, data readiness etc. You will have excellent stakeholder, 3rd party supplier management experience with strong communication skills and good knowledge of Agile. The role will involve managing the migration of data from the Legacy ERP systems to Infor, liaising with the business, stakeholders, 3rd party...

Contract Data Engineer - Snowflake/DBT/Python/SQL Healthcare/Pharma Industry £550-£600 per day - Outside IR35 London (Hybrid - 2 days onsite) 12 months + extension likely We're supporting a leading organisation building out a modern, cloud-native data platform and looking for multiple Senior Data Engineer with deep Snowflake expertise to join on a long-term contract. What you'll work on Building & optimising scalable Snowflake pipelines Data modelling, quality, lineage & observability Python + dbt engineering in a modern cloud environment Collaborating with architects & product teams Driving best practice across the data platform Tech stack Snowflake, SQL, Python, dbt, AWS (or Azure/GCP), CI/CD, Airflow/Prefect/Dagster, Fivetran/Matillion Ideal profile Strong Snowflake engineering background Comfortable owning end-to-end pipeline delivery Experience in regulated environments (pharma/healthcare a bonus) Clear communicator who can influence...

Senior Salesforce Business Analyst 12-month contract, Outside IR35, London (4 days), To £650/day Senior Business Analyst is required by well-established organisation with operations across the UK and Europe. They focus on delivering high-quality services to a diverse client base, emphasizing innovation, efficiency, and sustainable practices. They need an experienced Senior BA with expertise in Salesforce . Role Overview The Senior Business Analyst will support a key business project by implementing technology to enhance service offerings. You will collaborate with technology teams, stakeholders, and delivery groups to gather requirements, analyze processes, and provide documented insights for system enhancements across the full life cycle. Key Responsibilities Lead requirements gathering sessions and map current/future processes. Analyze impacts and document insights for cross-functional technology changes. Create standardized requirements, User Stories,...

Job Title: Salesforce Programme Manager Location: (Hybrid - 2 days on-site per week) - London/South West Contract Length: 6 months Initial (Likely to Extend) Rate: Competitive (Outside IR35) About the Role We are looking for an experienced Salesforce Programme Manager to lead a major Salesforce implementation programme for a major client. This role will suit a senior professional with a proven track record of delivering complex Salesforce transformations, coordinating multiple workstreams, and managing senior stakeholders. Key Responsibilities Lead the planning, execution, and governance of a Salesforce implementation programme. Oversee delivery of multiple Salesforce workstreams (eg, Sales Cloud, Service Cloud, Marketing Cloud). Engage with C-level stakeholders to align programme objectives with wider business strategy. Manage third-party vendors and SI partners, ensuring delivery quality and value. Develop and maintain programme artefacts...

Contract Full Stack Tech Lead - JavaScript Duration - 6 months Outside IR35 - Competitive Market Rate Fully Remote - Must be UK based Fruition Group are representing a boutique technology consultancy who are specialist at delivering cutting edge solutions for public and private sector clients. They're known as the "Knights in Shining Armour". We are looking for a Full Stack Technical Lead, proficient in AWS, Typescript and Node - amongst other modern software engineering skills to support the business on a huge project for a public sector client. This project is in build phase, and we require someone who is comfortable being hands-on, engaging directly with the client, gathering requirements, setting technical direction, and contributing across architecture, development strategy, and tooling decisions Key Skills required: AWS TypeScript Node The ideal candidate will have deep experience within the public sector, working across project life cycles with a large emphasis on...

IT Technical Project Manager - Mergers & Acquisitions £600 - £650 per day (outside IR35) 6-month initial contract London - hybrid working We are supporting a high-growth organisation undergoing rapid expansion through acquisitions and building a specialist M&A IT capability. They are seeking an experienced IT Technical Project Manager to lead complex integration programmes across the full acquisition life cycle. This role sits within a dedicated, strategically independent M&A IT team and offers the opportunity to work on multiple concurrent integrations in a fast-paced, transformation-led environment. With up to 10 acquisitions planned annually, you will play a critical role in ensuring seamless technical integration and value realisation. A key focus of this role will be tenant-to-tenant migrations (particularly within Microsoft 365/Azure environments), making prior experience in this area essential. Responsibilities Lead end-to-end delivery of M&A...

Oracle 11g DBA | £500 - £600 We're working with a leading high-assurance consultancy delivering mission-critical infrastructure for the public sector on this exciting opportunity. We are hunting for a heavyweight Oracle 11g DBA to take the reins of a high-availability production estate. This is a high-impact, Outside IR35 contract where you will ensure the operational stability and performance of business-critical systems in a fast-paced, 24/7 environment using RMAN, Data Guard, and Linux-based platforms. The Role Provide 24x7 production support for mission-critical Oracle 11g database environments. Lead the diagnosis and resolution of complex performance issues and major incidents. Manage robust backup and recovery strategies using RMAN and ensure disaster recovery readiness via Data Guard. Implement critical database changes and security patches through rigorous ITIL-aligned change management processes. Optimize long-term stability through proactive...