61 developer jobs found in London

PowerApps Developer (Contract) - SC Cleared/NPPV3 London (Hybrid - 3 days per week onsite) Initial 3 months - Strong Extension Potential Up to £520 per day (Outside IR35) We are currently seeking a highly capable PowerApps Developer to join a high-profile programme delivering secure, scalable digital solutions within a regulated public sector environment click apply for full job details

On behalf of the MOD, we are looking for a Tooling Developer (Inside/Outside IR35/PAYE) for an 8 month hybrid contract based 1 day per week in London. An active SC Clearance is an essential requirement for this role, as a minimum you must be willing & eligible to undergo checks. (Please note, due to the exceptional requirements of this position (short-term nature of this role and speed at which we require a postholder in situ) preference may be given to candidates who meet all of the essential criteria and hold active security clearance.) Role Purpose: Ideally with a background as a Power Platform Developer or SharePoint Developer or Data Analyst/BI Developer or Management Information Developer, the Defence Artificial Intelligence Centre, (DAIC), Tooling Developer is responsible for the development, maintenance, and continuous improvement of DAIC tooling that supports AI insight, coherence reporting, demand management, and discovery activity across Defence....

Data & Reporting – BI Developer! Contract Role | Start: ASAP | 6-Month Initially | Outside IR35 Remote Mostly Are you a Data & Reporting – BI Developer with Snowflake and MS SQL expert with a passion for designing and building end-to-end data solutions ? Do you thrive on solving complex business problems, creating robust data models, and delivering impactful solutions? If so, we want to hear from you! Why Join? High-Impact Role: Be at the heart of designing a brand-new Technicians Bonus solution using Snowflake . Collaborative Environment: Work alongside a dynamic Data & Reporting team to drive meaningful results. Flexibility: Enjoy the freedom of mostly remote work with potential in-office collaboration once a week. Key Responsibilities ✔️ Data Preparation: Use MS SQL Server and Snowflake to prepare and optimize data for reporting. ✔️ Solution Design & Data Modelling: Translate complex business needs into...

Internal Title: Senior Full Stack Developer Location: London, UK (Hybrid - typically 1-2 days per month in office) Contract: Permanent, Full-time OR Outside IR35 Contract, 6 months with view to extend Day Rate (contract): £500-550 per day Package (perm): £70,000 - £80,000 + 10% Bonus + 10% Shares + Benefits (see more below) About Appvia Appvia is a specialist cloud, platform, and solutions engineering consultancy, helping organisations modernise software systems, improve developer productivity, and adopt cloud-native practices that enable long-term, sustainable delivery. Our software engineering capability focuses on modern application development, domain-driven design, and improving delivery outcomes through better architecture, testing, and developer experience. We work across complex, high-impact environments in both the public and private sector, delivering solutions where quality, scalability, and reliability are critical. About The Role We're hiring...

Freelance: Full Stack Developer (Insurance Experience Required) Start Date: 20/07/26 Duration: 6 months (extension highly likely) IR35 Status: Outside Location: London (Fully Remote) Capacity: 40 hours per week About the Role We're looking for an experienced Full Stack Developer with Insurance domain expertise to support the development and scaling of a high growth digital platform within the insurance sector. You will work across both Front End and Back End layers, collaborating closely with product, design, and engineering teams to deliver robust, scalable, and high performance solutions. A key focus of the role will be building modern user interfaces (Vue.js) while contributing to Back End services, APIs, and architecture that support complex insurance workflows and data models. Key Responsibilities Design, develop, and maintain full stack applications across Front End and Back End layers. Build modern, responsive Front End applications using Vue.js. Develop and maintain...

Qlik Sense Developer Fully remote £400 per day OUTSIDE IR35 Must be able to cover hours 10am to 7pm and 12pm to 9pm due to the time zones for this work Experienced Qlik Sense expert needed to delivery advanced analytics and reporting capabilities for the operations team as part of a global healthcare project You will be responsible for Qlik Sense Development & Dashboard - Delivery Design, build, and maintain dashboards, sheets, and visualizations Data Modelling & Scripting - Develop and maintain Qlik Sense data models, load scripts, calculations, and derived metrics Work with Cority/CorAnalytics data sources Data Quality & Validation Validate dashboard outputs against source data Ensure correct logic in calculations and KPIs Data Refresh & Pipeline Management Manage data refresh processes and pipelines Diagnose and resolve data discrepancies, refresh issues, script failures, and performance bottlenecks You will be a Qlik Sense expert with skills...

Contract .NET Developer - £350- £375p/d - Outside IR35 - London / Hybrid (.NET Developer, .NET Software Engineer, Software Developer, C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular, Unit Tests, DevOps, CI/CD pipelines, Terraform, Azure, AI tools) Established in the 1990s our client is one the fast growing technologies brands across Europe. They have built an unrivalled reputation for developing revolutionary .NET / C# software solutions. Having recently embarked upon a number of cutting edge Greenfield .NET / C# projects they are looking to recruit contract .NET Developer to join their award winning .NET / C# development team. Working in tandem with Microsoft 's very own consultants you will be working on the development of complex enterprise .NET / C# projects that have attracted much attention in the trade place. .NET Developer applicants should be experienced in: C#, .NET, SOLID principles, SQL Server, HTML, CSS, Blazor, Angular,...

Microsoft Dynamics 365 CRM Technical Consultant (omni channel/contact centre/Customer service) Outside IR35 £450-475 per day Fully Remote 6 months initial contract A large new Microsoft Dynamics 365 CRM project at a Microsoft Gold Partner requires a D365 CRM omnichannel technical consultant on an initial 6 month contract click apply for full job details

Boomi Integration Developer (ERP Programme) Location: Fully Remote UK, with occasional travel to an office Contract Type: Contract Duration: 6 months Initial IR35 Status: Outside IR35 About the Role We are seeking a highly skilled Boomi Developer with proven experience integrating the ERP environment (Infor LN preferred) to join a digital transformation programme. You will be the core technical lead responsible for designing, building, and deploying robust, scalable integration pipelines between the ERP (Infor LN) and surrounding enterprise ecosystem (including CRM, MES, WMS, and third-party logistics/3PL partners). The ideal candidate will not just be a "component builder" in Boomi, but an integration specialist who understands complex manufacturing/distribution data flows and can navigate the nuances of Infor LN data structures. Key Responsibilities Design & Build: design, develop, and test end-to-end integration processes using the Boomi...

Senior Fullstack Developer l React Native l Typescript l AWS serverless l end to end features l GraphQL l £550 per day l Outside IR35 l three days a week in London l 6 months We're hiring a Senior Fullstack Developer to join a high-performing team shipping fast across mobile and backend. This role will be hands-on, building and owning features end to end click apply for full job details

PowerApps Developer (Contract) - SC Cleared/NPPV3 London (Hybrid - 3 days per week onsite) Initial 3 months - Strong Extension Potential Up to £520 per day (Outside IR35) We are currently seeking a highly capable PowerApps Developer to join a high-profile programme delivering secure, scalable digital solutions within a regulated public sector environment click apply for full job details

Contract Outside IR35 Senior Data Engineer/Python/C# Developer - Energy Trading - London Up to £600 per day *Only candidates with Power/Gas/LNG/Oil/Ags/Metals commercial experience will be considered* Global Energy Trading company is embarking on a new Digitalisation Program, to transform how data is managed and utilised within the Energy business. The ambition is to deliver next generation of big data infrastructure, develop a range of data-driven, highly automated data pipelines to facilitate and enhance the trading business, as well as optimisation of physical assets. Working together with the Data Team, you will be developing the next generation of Data Infrastructure. Working with data pipelines, data management, and data analysis to help automate and optimise business. The role will require versatility as the individual will be required to work on Python and/or C# related projects in addition. The role Develop, construct, test and maintain data pipelines...

Senior Front End Developer (Contract) Location: East London (Hybrid) Duration: Initial 6 month contract with strong potential to extend to 12 months Rate: Competitive Day Rate (Outside IR35 if applicable) Our client is a fast growing Digital / e commerce business based in central East London, and they are looking to appoint an experienced Senior Front End Developer on a contract basis to help strengthen the existing engineering team. The Role Working alongside an experienced development team, you'll be responsible for building and enhancing modern, responsive web applications while collaborating closely with product, design, and backend teams. This is a hybrid position, with the expectation of attending the Shoreditch office a few days each week. Required Skills React.js TypeScript Cypress AJAX Version Control (Git) Continuous Integration (CI) Experience Required 4 to 12 years of commercial Front End Development experience Strong experience...

Join an industry-leading standards agency driving digital transformation with cutting-edge .NET technologies. Salary: £500 - 550 per day .NET Developer – Contract - £500-550/day (Outside IR35) We're working with an industry leading standards agency that are looking for a proficient .NET Developer to join them for an initial 6-month contract with over 18 months worth of work forecasted. This person will be tasked with working alongside an existing engineering team as part of an ongoing digital transformation. This role will fall outside IR35 and will be 100% remote with occasional travel optional for team meetings in their London office. Tech Stack: .NET C# SQL Web Forms Azure (Repos, Pipelines, Blob) Web API MVC MSTest Telerik Take the next step in your .NET development career with this exciting contract opportunity at a forward-thinking standards agency. Reference: 121250 INDTEDA

Full job description Join an industry-leading standards agency driving digital transformation with cutting-edge .NET technologies. Salary:  £500 - 550 per day .NET Developer – Contract - £500-550/day (Outside IR35) We're working with an industry leading standards agency that are looking for a proficient .NET Developer to join them for an initial 6-month contract with over 18 months worth of work forecasted. This person will be tasked with working alongside an existing engineering team as part of an ongoing digital transformation. This role will fall outside IR35 and will be 100% remote with occasional travel optional for team meetings in their London office. Tech Stack: .NET C# SQL Web Forms Azure (Repos, Pipelines, Blob) Web API MVC MSTest Telerik Take the next step in your .NET development career with this exciting contract opportunity at a forward-thinking standards agency....

PowerApps Developer (Contract) - SC Cleared/NPPV3 London (Hybrid - 3 days per week onsite) Initial 3 months - Strong Extension Potential Up to £520 per day (Outside IR35) We are currently seeking a highly capable PowerApps Developer to join a high-profile programme delivering secure, scalable digital solutions within a regulated public sector environment. This role sits within a fast-paced delivery team focused on modernising core services through the Microsoft Power Platform. This is an excellent opportunity for a contractor who thrives in secure environments and has experience building robust applications that meet stringent compliance and security standards. Key Requirements Strong hands-on experience with the Microsoft Power Platform, including: PowerApps (Canvas and Model-driven apps) Power Automate (workflow automation) Dataverse and data modelling Proven experience delivering enterprise-grade Power Platform solutions end-to-end Ability to integrate Power...

Microsoft Dynamics 365 CRM Technical Consultant (omni channel/contact centre/Customer service) Outside IR35 £450-475 per day Fully Remote 6 months initial contract A large new Microsoft Dynamics 365 CRM project at a Microsoft Gold Partner requires a D365 CRM omnichannel technical consultant on an initial 6 month contract click apply for full job details

Job Title: Senior Boomi Developer Client: Public Sector Location: Hybrid London or Birmingham, 2 days per week onsite Engagement Type: Contract (Outside IR35) Day Rate: Up to £450 per day Clearance: Active SC Clearance required Should be immediately available to start a new role About the role A public sector client is seeking an experienced Senior Boomi Developer to join a high-profile integration programme on an initial contract basis. This is a hands-on, end-to-end role covering the design, build, deployment, and ongoing support of integration processes that underpin business-critical services. This is a hybrid role combining onsite collaboration with remote working you'll be based at either the London or Birmingham site for 2 days per week, with the specific site confirmed during the process. Key responsibilities Lead hands-on design, development, deployment, and maintenance of integration processes using the Boomi AtomSphere platform, including...

SAS Model Developer (Contract) London, Outside IR35 This contract offers the chance to own end-to-end model delivery within a lean analytics function, working on business-critical modelling initiatives with real production impact. You will join a small, highly capable team where autonomy, technical depth, and clear delivery are valued. The Company They are a data-driven organisation with a strong focus on pricing and analytics. Operating within a compact analytics team, they are investing in robust, scalable modelling solutions to support ongoing decision-making. The environment is collaborative and delivery-focused, with senior stakeholders closely engaged in the outcomes of the work. The Role and Deliverables Design, develop, and enhance statistical and predictive models using SAS across the full model development lifecycle. Build modelling datasets, feature engineering processes, and variable transformations. Develop model logic, segmentation rules, scoring code, and...

BI Developer A Lloyd's Insurer are looking for a skilled BI Developer to join the team to focused on a range of data projects including building reports in Power BI and some ETL/Data Pipeline work. Key Responsibilities Design, develop, and maintain interactive Power BI dashboards and reports. Build semantic models, data models, and DAX measures to support business reporting requirements. Develop and optimise ETL/ELT processes using Microsoft Fabric Data Factory and Dataflows Gen2. Create and maintain data pipelines, lakehouses, and warehouses within Microsoft Fabric. Required Skills & Experience Strong experience developing Power BI reports, dashboards, and semantic models. Advanced knowledge of DAX, Power Query, and data modelling techniques. Strong SQL development and database design skills. Experience building and maintaining ETL/ELT pipelines. Understanding of data warehousing concepts and dimensional modelling. Experience working within Azure and...