139 jobs found in London

I am currently working with a London-based Telecommunications client who are actively seeking 4 Senior .Net Developers to work on a range of business-critical projects.What you'll need to succeed: Demonstrable experience designing and building distributed systems, for scalability, availability and performance and running whole system landscapes using .NET / C#. Extensive experience developing Azure-based applications. Strong experience with Kubernetes. Extensive experience designing and developing Microservices. What you'll get in return: Up to £500pd Outside IR35 London-based hybrid working. Initial 4-month contract. What you need to do now:If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career. Hays Specialist Recruitment Limited acts as an employment agency for...

Location: The role is based remotely with occasional travel to London. Daily rate: £400 outside IR35 Duration: Initial 6 months *please note* : must have active SC clearance The Back End Developer will have the following responsibilities: Design, develop, and maintain Back End systems and services using Java. Collaborate with Front End developers and other cross-functional teams to deliver seamless and scalable solutions. Write clean, maintainable, and well-tested code following industry best practices and web standards. Troubleshoot and resolve complex technical issues related to Back End systems. Participate in code reviews and contribute to the continuous improvement of development processes. Ensure high-performance and reliability of Back End services through proper architecture and testing. Leverage Azure services to optimize cloud-based solutions (if applicable). Stay up-to-date with emerging technologies and incorporate them into the...

I am currently working with a London-based Telecommunications client who are actively seeking 4 Senior .NET Developers to work on a range of business-critical projects. What you'll need to succeed : Demonstrable experience designing and building distributed systems, for scalability, availability and performance and running whole system landscapes using .NET/C#. Extensive experience developing Azure-based applications. Strong experience with Kubernetes. Extensive experience designing and developing Microservices. What you'll get in return : Up to £500pd Outside IR35 London-based hybrid working. Initial 4-month contract. What you need to do now : If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy...

React Developer Remote with very occasional client visits £400pd to £420pd - Outside IR35 3 - 6 month contract Our client, an established and successful Consultancy are looking for a number of mid-level Developers to join them on a contract basis With head offices in the north of the UK and branches spreading across the globe, they're a dynamic technology consultancy leader with a dedicated team of professionals, partnering with sector leaders After recently winning a large public sector project they are creating a whole new team and need people who are able to start no later than March 16th. This is a fully hands on role where you will work as part of an established successful team, primarily working with React and Typescript technologies We are looking for: Expert knowledge of React Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and responsive UI engineering. Experience with Redux or other state management libraries. Strong understanding of Front End...

.NET Engineer / Watford (Hybrid) / 4 months / £350-£450 pd (Outside IR35) I am currently looking for multiple software engineers to join a client of ours on initial 4 month projects. They are mostly remote, with the occasional office visit to Watford. You will be working across a Azure API Gateway Implementation and a Team Augmentation project. Skills & experience needed: Extensive C#, .NET Experience Azure Kubernetes Self sufficient, strong communication If interested, feel yourself well suited and available within the next 2 weeks please apply with your latest CV and I will be in touch to discuss in more detail.

ANALYTICS ENGINEER 6-MONTH CONTRACT SNOWFLAKE, DBT £450-£550 PER DAY OUTSIDE IR35 This role offers a great opportunity for an Analytics Engineer to join a fast-scaling digital business undergoing a complete rebuild of its analytics infrastructure. You'll play a key role in reshaping how data is modeled, accessed, and used across teams - all with a focus on clarity, consistency, and self-serve analytics. The environment values autonomy, quality, and user-first thinking, with the freedom to shape best practices from the ground up. THE COMPANY This is a high-growth consumer business committed to data-informed decision-making across marketing, operations, product, finance, and customer success. They're currently rebuilding their analytics platform with modern, scalable tools and need a strong contractor to accelerate this transition. Working in a fast-paced, collaborative, and remote-first environment, you'll make a lasting impact on how data empowers the...

Experimentation (CRO) Front End Developer - Contract Digital Agency London - Hybrid £300-£400 per day - Outside IR35 This is an opportunity to join a growing digital team delivering impactful experimentation and CRO initiatives for a wide range of brands. You will play a key role in bringing test experiences to life, helping shape an evolving practice where innovation, collaboration and craft are central to success. The Company They are a specialist digital optimisation consultancy that combines analytics, experimentation and SEO to improve user experiences and drive measurable conversion uplift. Their focus is on creating a supportive, growth‑oriented environment where learning is embedded into everyday work. As a scaling organisation, they invest heavily in development and encourage contributions that help shape their culture and direction. The Role and Deliverables Build high quality HTML, CSS and JavaScript variations that bring...

Software Developer - Outside IR35 Contract Daily Rate - £300-£600 Contract : Initially for 6-Months with opportunity for extension (18-24 Month Scope) or to transition into a Permanent Employee. Potential Start Date : March 2026 Location : Central London, Hybrid Working Experience Level : 1 to 5 Years We have a fantastic opportunity available with a client in the Financial Services Space! They have a number of Greenfield Projects to carry out and they are searching for Computer Science Graduates to join their Project teams! There is a Fantastic Opportunity there to jump into a small team where you will be exposed to the Full Project Life cycle, get hands on with every step of the way and the opportunity to work alongside and learn from experienced Developers in some complex and challenging environments! Requirements : Bachelors Degree in Computer Science or related field. 1 to 5 Years of experience working in a regulated area (ideally Loans...

Business Analyst – Pharma - Regulatory Affairs - London - Hybrid - £450 p/d (Outside IR35) We’re supporting a leading organisation within the pharmaceutical/life sciences sector seeking an experienced Business Analyst to support a Regulatory Intelligence and Regulatory Operations transformation programme. Key Requirements Strong knowledge of the Regulatory Intelligence lifecycle (capture → curate → consume) Alignment to submission workflows (CTA, MAA, labelling) eCTD expertise Agile delivery (user stories, sprint-based environments) Requirements gathering, future state design & gap analysis CMC Change Variations & global/local RA alignment Health Authority Q&A & submissions content management Desirable Pharmacovigilance (PBRER, ICSR, signal management) Quality Management, CAPA, audit/inspection Clinical trial transparency Location: Central London (Hybrid) Rate: £400 per day Outside IR35 Duration: 6-Month Contract...

Lead a high-impact cloud migration project that will drive significant cost savings whilst building your leadership credentials in a cutting-edge DevOps environment. Salary:  £450 per day Role Overview Title:  Senior / Lead AWS DevOps Contractor Contract Length:  3 Months - Immediate Start - Outside IR35 Location:  Remote (UK) Description: We're looking for a highly experienced Senior / Lead DevOps Contractor to operate at a senior level, driving architectural decisions, leading delivery, and ensuring secure, scalable, and automated infrastructure across the environment. Role Overview We are seeking a highly experienced  Senior DevOps Lead  to manage a critical cloud migration project, moving a mature platform from  AWS  to  Hetzner  to achieve significant cost reduction. This short-term, high-priority role will oversee the migration, maintain operational stability, and lead a small...

Performance Tester - £450 per day outside IR35. Monday and Tuesday in the office in Whitehall and the rest from home. Current statement of work runs until 2nd April and then a new one will be signed and the contract should be extended Greenfield project Data Modelling, Oauth, Javascript Typscript React, node.js, data streams, PostgreSQL, Lambda AWS: API gateway, RDS, Cloudfront, Cognito. Terraform, GitHub, GitFlow pipelines This engagement is outside IR35 and will be delivered on a statement-of-work basis. The supplier will determine the method, resources, and approach to deliver the agreed outcomes Due to the secure nature of the position and working environment, you must have, or be eligible to obtain Security Clearance More details relating to UK Security Clearance can be found here: United Kingdom Security Vetting: clearance levels - GOV.UK Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of...

Role Overview Title: Senior/Lead AWS DevOps Contractor Contract Length: 3 months - Immediate Start - Outside IR35 Location: Remote (UK) Description: We're looking for a highly experienced Senior/Lead DevOps Contractor to operate at a senior level, driving architectural decisions, leading delivery, and ensuring secure, scalable, and automated infrastructure across the environment. Role Overview We are seeking a highly experienced Senior DevOps Lead to manage a critical cloud migration project, moving a mature platform from AWS to Hetzner to achieve significant cost reduction. This short-term, high-priority role will oversee the migration, maintain operational stability, and lead a small DevOps team. The platform currently runs on AWS with ECS , k3s Kubernetes , Redpanda streaming , and databases including Cassandra, PostgreSQL, and MongoDB . Observability is mostly implemented with Grafana , and deployment pipelines are established. Key...

Platform Engineer - Outside IR35 - Remote About the Role We are seeking a highly skilled Platform Engineer with strong expertise in Microsoft Azure and Azure Databricks to design, build, and maintain scalable, secure, and high-performing data platforms. You will play a critical role in enabling data engineering, analytics, and AI workloads by developing robust cloud-native infrastructure and data services. This role sits at the intersection of cloud infrastructure, DevOps, and data engineering, ensuring platform reliability, performance, and governance across the organization. Key Responsibilities Design, implement, and maintain cloud-native platform solutions in Microsoft Azure Build, optimize, and manage data platforms using Azure Databricks Develop Infrastructure as Code (IaC) using tools such as Terraform, Bicep, or ARM templates Implement CI/CD pipelines for data and platform deployments Ensure high availability, scalability, security, and cost...

D365BC Functional Lead/Architect - 6 Months - Outside IR35 - £500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead / Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Salesforce Developer | £350–£400 | Outside IR35 | 6 Months | Fully Remote We’re recruiting for an experienced Salesforce Developer for a 6-Month contract role. This position will play a vital part on one of our key clients ongoing Salesforce transformations. This position is determined as outside IR35 and is offered on a fully remote basis. Key Requirements Develop scalable Apex, Lightning Web Components, Flows and secure APIs, adhering to coding best practices. Build and optimise integrations across Heroku‑backed services and Salesforce applications. Configure and enhance core Sales Cloud and Service Cloud functionality effectively. Previous experience with Marketing, Loyalty and Commerce Cloud is highly beneficial. Implement robust unit tests, optimise performance and ensure high‑quality code delivery. Work collaboratively within Agile teams, contributing to sprint planning and refinement. What to do next If this Salesforce Developer role sounds like a good fit and you’d...

D365BC Functional Lead/Architect - 6 Months - Outside IR35 - £500p/d An established end-user organisation is delivering a Microsoft Dynamics 365 Business Central (BC) implementation and requires a senior Functional Lead / Solution Architect to own solution design, configuration and delivery across core finance and operational workstreams. This is a hands on role, bridging business stakeholders and the SI, ensuring the system is fit-for-purpose and aligned to operational goals. Key Responsibilities: Lead functional design across D365 BC implementation Own end-to-end configuration, build, testing and deployment of new solutions and fixes Act as internal solution authority across Finance and Projects Translate business requirements into scalable BC designs Oversee UAT, manage defects and support go-live readiness Provide governance across P2P, R2R, OTC and Projects (Jobs module) Partner with technical resources on integrations and data migration Develop...

Business Analyst – Pharma - Regulatory Affairs - London - Hybrid - £400 p/d (Outside IR35) We’re supporting a leading organisation within the pharmaceutical/life sciences sector seeking an experienced Business Analyst to support a Regulatory Intelligence and Regulatory Operations transformation programme. Key Requirements Strong knowledge of the Regulatory Intelligence lifecycle (capture → curate → consume) Alignment to submission workflows (CTA, MAA, labelling) eCTD expertise Agile delivery (user stories, sprint-based environments) Requirements gathering, future state design & gap analysis CMC Change Variations & global/local RA alignment Health Authority Q&A & submissions content management Desirable Pharmacovigilance (PBRER, ICSR, signal management) Quality Management, CAPA, audit/inspection Clinical trial transparency Location: Central London (Hybrid) Rate: £400 per day Outside IR35 Duration: 6-Month Contract...

Data Analyst – Real Estate - Excel, Power BI, SQL £425/day (OUTSIDE IR35) 3 days a week on site - Soho A leading European logistics real estate firm is seeking a Data Analyst. Operating across a vast network of warehouse spaces and transportation hubs, this established company is launching a cutting-edge, startup-style project that will transform how real estate data is structured, visualized, and leveraged across the business. The Data Analyst's role: This is a high-ownership position where you'll have significant impact on solutions that shape real estate data analysis. You'll work within a small, innovation-focused team of 3-4 people maximum, requiring genuine engagement with the project rather than just task execution. This isn't about moving data around – we need someone who understands what the data means and can work independently without constant guidance. Data Analyst Key Responsibilities: • Manage Excel-based datasets through SharePoint and...

Senior C# Software Engineer (Contract) Location: London (Hybrid) Rate: £500 per day IR35 Status: Outside IR35 Duration: 6 Months (Initial) The Opportunity Join a high-performing engineering team within a London-based powerhouse that is currently dominating its sector. This company has moved past the startup phase into a period of sophisticated, sustainable growth, and they are now maturing their global platform to be truly cloud-agnostic. This role is perfect for a Senior Engineer who thrives on architectural variety. You won’t just be maintaining a single environment; you will be building high-throughput systems that leverage the best features across AWS, Azure, and GCP . The Role As a Senior C# Engineer, you will lead the development of mission-critical services that form the backbone of a rapidly scaling infrastructure. Your focus will be: Backend Development: Writing clean, testable, and high-performance code using the latest...

Salesforce Developer | £350-£400 | Outside IR35 | 6 months | Fully Remote We're recruiting for an experienced Salesforce Developer for a 6-Month contract role. This position will play a vital part on one of our key clients ongoing Salesforce transformations. This position is determined as outside IR35 and is offered on a fully remote basis. Key Requirements Develop scalable Apex, Lightning Web Components, Flows and secure APIs, adhering to coding best practices. Build and optimise integrations across Heroku backed services and Salesforce applications. Configure and enhance core Sales Cloud and Service Cloud functionality effectively. Previous experience with Marketing, Loyalty and Commerce Cloud is highly beneficial. Implement robust unit tests, optimise performance and ensure high quality code delivery. Work collaboratively within Agile teams, contributing to sprint planning and refinement. What to do next If this Salesforce Developer role sounds like a...