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13 functional developer jobs found in London

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Outside Spy
Nov 02, 2026
6 Months or more
SC Senior Software Developer (.Net) - Remote - Outside IR35 at Solirius Limited, London, 3 Months, £Contract Rate
Outside Spy Remote (London, UK)
About Us: Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery. We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical expertise with people-centred design, we create solutions that deliver meaningful, lasting impact. Our consultants partner directly with client teams, embedding into organisations to understand their goals, challenges, and users. This collaborative approach enables us to deliver tailored solutions that drive measurable outcomes across public and private sectors. Past and present clients include the Ministry of Justice, Department for Education, Ministry of Housing, Communities and Local Government, UEFA, International Olympic Committee, and Mercedes-Benz. Our services span the full digital delivery life cycle,...
Outside Spy
Oct 29, 2026
Duration not stated
Senior Technical Business Analyst (Contractors Outside IR35) - FINTECH / LONDON | London, UK at Adaptive Financial Consulting, London, £Contract Rate
Outside Spy London, UK
WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintechs and capital market service providers. With a global reach with offices in London, New York, Manila, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Technical Business Analyst services on an exciting project! THE INDIVIDUAL/S PROVIDING THE SERVICES WILL HAVE THE FOLLOWING EXPERIENCE: • Experience in QA, Software Engineering (ideally a senior Java developer), Technical Business Analysis, or another highly technical product environment •...
Outside Spy
Oct 26, 2026
Duration not stated
Finance EPM Systems Developer at The Curve Group, City of London, £Contract Rate
Outside Spy City of London, London, UK
Location: Canary Wharf, London - hybrid (50% remote / 50% onsite) Contract: 6 months IR35: Outside IR35 Our financial services client is looking for an experienced Finance EPM Systems Developer to lead the design, build and enhancement of Oracle EPM Cloud solutions. This is a hands-on role focused on improving financial reconciliation, consolidation, planning and reporting processes. Key responsibilities: Design, build and configure Oracle EPM Cloud solutions, particularly ARCS and FCCS. Develop financial reconciliations, workflows, controls and reporting capabilities. Support financial consolidation, month-end close and financial planning processes. Build integrations between Oracle EPM and other financial systems. Identify opportunities to automate processes, improve efficiency and strengthen financial controls. Work closely with Finance, IT and delivery partners to design, test and implement solutions. Key requirements: Strong hands-on Oracle EPM Cloud...
Outside Spy
Oct 26, 2026
Duration not stated
Finance EPM Systems Developer at The Curve Group , London, £Negotiable Rate
Outside Spy London, UK
Location: Canary Wharf, London - hybrid (50% remote / 50% onsite) Contract: 6 months IR35: Outside IR35 Our financial services client is looking for an experienced Finance EPM Systems Developer to lead the design, build and enhancement of Oracle EPM Cloud solutions. This is a hands-on role focused on improving financial reconciliation, consolidation, planning and reporting processes. Key responsibilities: Design, build and configure Oracle EPM Cloud solutions, particularly ARCS and FCCS. Develop financial reconciliations, workflows, controls and reporting capabilities. Support financial consolidation, month-end close and financial planning processes. Build integrations between Oracle EPM and other financial systems. Identify opportunities to automate processes, improve efficiency and strengthen financial controls. Work closely with Finance, IT and delivery partners to design, test and implement solutions. Key...
Outside Spy
Oct 26, 2026
Duration not stated
Business Central Developer at Click, London, £380 per day
£380 per day
Outside Spy London, UK
Business Central Developer - Contract Remote | £380 per day | Outside IR35 | Initial 6-month contract We're looking for an experienced Microsoft Dynamics 365 Business Central Developer to support the ongoing development, enhancement and maintenance of a key ERP platform. Working closely with the ERP Technical Lead, you'll deliver reliable and maintainable Business Central extensions and integrations. The role will combine project-based development with BAU support, troubleshooting and improvements to CI/CD processes. Key responsibilities Design, develop and maintain AL extensions for Microsoft Dynamics 365 Business Central. Deliver new functionality and enhancements in line with business and project requirements. Translate functional requirements into robust technical solutions. Support business processes across finance, operations, sales, purchasing, inventory, reporting and customer workflows. Build and maintain integrations between Business Central and...
Outside Spy
Nov 02, 2026
Duration not stated
Power BI Developer -Fabric / D365 F&O - 6 month Contract Outside IR35 - £500.00 pd- London Hybrid at Station Group International Limited, City of London, £Contract Rate
Outside Spy City of London, London, UK
Power BI Developer - Dynamics 365 F&O/ Fabric - £500 per day - Outside IR35 - London / Hybrid - 6 months I'm currently working with a London-based client who is embarking on a significant business transformation programme, implementing Microsoft Dynamics 365 Finance & Operations (F&O) across its finance function. As part of this programme, they are looking to engage an experienced Power BI Developer, on a 6 month contract, with hands-on Microsoft Fabric experience to design, develop and deliver a suite of reporting and data solutions that will support the transformation and provide meaningful financial insight to the business. This is an excellent opportunity for a Power BI Developer who has previously worked with Dynamics 365 F&O and Microsoft Fabric and, importantly, has a strong track record of developing reporting solutions specifically for finance teams. The role will require 3 days per week onsite at the clients London office. The Role You will work...
Outside Spy
Nov 02, 2026
Duration not stated
Full Stack Developer (.NET React) at Tenth Revolution Group, London, £Contract Rate
Outside Spy London, UK
6 month contract, fully remote Full Stack Developer - .NET and React Up to £350 per day outside IR35 A retail company are hiring for a Senior Full Stack Engineer to join their order fulfilment team to help design, build and evolve the digital platform. This is a hands-on role where you'll work closely with product and engineering teams to solve real business problems and deliver impactful digital experiences. It is a modern engineering function that uses agentic AI tools throughout its development process. Responsibilities Design build and maintain scalable secure and high-performing E-commerce applications using React C# .NET and Azure Deliver end-to-end features across the stack from Front End experience through to Back End services Work in short iterative cycles alongside product and E-commerce teams Contribute to the design of cloud-native architectures on Microsoft Azure Build and maintain robust APIs and services using .NET Develop responsive...
Outside Spy
Nov 02, 2026
6 Months or more
Power BI Developer -Fabric/D365 F&O - 6 month Contract Outside IR35 - £500.00 pd- London Hybrid at Station, City of London, 6 Months, £500-£520 per day
£500 - £520 per day
Outside Spy City of London, UK
Power BI Developer - Dynamics 365 F&O/Fabric - £500 per day - Outside IR35 - London/Hybrid - 6 months I'm currently working with a London-based client who is embarking on a significant business transformation programme, implementing Microsoft Dynamics 365 Finance & Operations (F&O) across its finance function. As part of this programme, they are looking to engage an experienced Power BI Developer, on a 6 month contract, with hands-on Microsoft Fabric experience to design, develop and deliver a suite of reporting and data solutions that will support the transformation and provide meaningful financial insight to the business. This is an excellent opportunity for a Power BI Developer who has previously worked with Dynamics 365 F&O and Microsoft Fabric and importantly, has a strong track record of developing reporting solutions specifically for finance teams. The role will require 3 days per week onsite at the clients London office. The Role You will work...
Outside Spy
Oct 30, 2026
Duration not stated
Agile Coach - DDaT - Charity at Michael Page Technology, City of London, £Contract Rate
Outside Spy City of London, UK
Our consultancy client is looking for an experienced Agile Coach to support the introduction and rollout of a new squad-based operating model within their charity client's Digital, Data and Technology function. Client Details Michael Page is hiring within the Business Services industry in London.Management consultancy supporting a high-profile charity on its Agile evolution. Description Working alongside the Agile Portfolio Delivery Lead, the Agile Coach will develop new Squad Leads and help technology teams embed effective Agile delivery practices. Key responsibilities include: Coach new Squad Leads to plan, prioritise and lead delivery independently. Help squads establish effective planning, stand-ups, reviews and retrospectives. Improve the structure, prioritisation and management of product and project backlogs. Support teams to translate business and technical requirements into clear, deliverable work. Help squads balance planned products and projects with...
Outside Spy
Oct 29, 2026
6 Months or more
Programme Test Manager - SC Cleared at Digital Skills Ltd, London, 6 Months, £500 per day,
Outside Spy London, UK
Programme Test Manager - SC Cleared London, UK - (Hybrid working - occasional site visits required) Contract - Outside IR35 £500 a day Digital Skills are looking for a Programme Test Manager. This role will lead testing initiatives across multiple client projects and manage the delivery of large-scale programmes focusing on test assurance and system integration. This role will ensure high-quality delivery aligned with strategic objectives. Responsibilities include designing and implementing test strategies that efficiently identify issues and risks in software solutions, while maintaining a reputation for quality and reliability. Additionally, they will oversee the integration of systems to ensure seamless functionality and performance, contributing to the strategic planning and execution of projects to enhance overall effectiveness. For this role, you must have UK SC security clearance. Key Responsibilities: Develop and oversee comprehensive test...
Outside Spy
Oct 28, 2026
Duration not stated
S/4HANA Public Cloud Project Manager - Contract - Outside IR35 at IO Associates, London, £Contract Rate
Outside Spy London, UK
SAP S/4HANA Public Cloud Project Manager - Contract - Remote Location: Remote, UK Rate: Circa £500 per day IR35: Outside IR35 Travel: Occasional UK client travel We are looking for an experienced SAP S/4HANA Public Cloud Project Manager to support a growing SAP consultancy delivering transformation programmes for mid-market customers. This is a hands-on delivery role requiring someone with genuine S/4HANA Public Cloud/Public Edition experience and a strong understanding of the wider solution landscape. Ideal Background: The strongest fit will be someone who has developed through the SAP delivery life cycle, ideally progressing from: SAP Functional Consultant Solution Architect/Solution Lead Project Manager This background is important because the Project Manager will need to understand more than plans, governance and reporting. They must be able to understand the solution architecture picture , challenge design decisions where required, and recognise how...
Outside Spy
Oct 26, 2026
Duration not stated
Full Stack Developer (.NET React) at Tenth Revolution Group, London, £300-£350 per day
£300 - £350 per day
Outside Spy London, UK
6 month contract, fully remote Full Stack Developer - .Net and React Up to £350 per day outside IR35 A retail company are hiring for a Senior Full Stack Engineer to join their order fulfilment team to help design, build and evolve the digital platform. This is a hands-on role where you 'll work closely with product and engineering teams to solve real business problems and deliver impactful digital experiences. It is a modern engineering function that uses agentic AI tools throughout its development process. Responsibilities Design build and maintain scalable secure and high-performing ecommerce applications using React C# .NET and Azure Deliver end-to-end features across the stack from frontend experience through to backend services Work in short iterative cycles alongside product and ecommerce teams Contribute to the design of cloud-native architectures on Microsoft Azure Build and maintain robust APIs and services using .NET Develop...
Outside Spy
Aug 10, 2026
Duration not stated
QA Tester | London, UK at Cititec Talent Ltd, London, £Contract Rate
Outside Spy London, UK
QA / Integration Tester - Commodity Trading - London - Outside IR35 A leading energy company is seeking a hands-on QA / Integration Tester to support its LNG Technology team in the implementation of a new trading platform. Overview This role sits at the heart of a major platform rollout, focusing on end-to-end integration testing across an ETRM platform and its connected trading and operational systems. You’ll play a critical role in ensuring system stability, data integrity, and workflow accuracy across the broader LNG trading ecosystem. Key Responsibilities • Own and execute integration testing for the trading platform • Validate cross-system workflows and data flows across connected energy trading systems • Identify, document, and track defects through to resolution • Work closely with developers, business analysts, and stakeholders to ensure quality delivery • Operate as the sole QA resource on the project, driving testing...
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