1 to 25 of 131 Contract Developer Jobs in London

6+ years of experience in python scripting. Proficient in developing applications in Python language. Exposed to python-oriented Algorithms libraries such as NumPy, pandas, beautiful soup, Selenium, pdfplumber, Requests etc. Proficient in SQL programming, Postgres SQL. Knowledge on DevOps like More ❯

Role/Job title Full Stack Engineer Work Location UK -Sheffield-3 days from office Duration of assignment 06 months * Proficient in C#, with a good knowledge of its ecosystems * Familiarity with the .NET including .NET 6 onwards. * Solid experience More ❯

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at mid to senior levels who are passionate about crafting exceptional products. Initially it will be a five-month contract More ❯

An instantly recognisable London-based financial services institution is actively seeking 2 Senior Java Developers with extensive banking experience to work on a business-critical project in the risk and pricing space. What you'll need to succeed 10+ years More ❯

An instantly recognisable London-based financial services institution is actively seeking 2 Senior Java Developers with extensive banking experience to work on a business-critical project in the risk and pricing space. What you'll need to succeed 10+ years More ❯

Key Responsibilities: Manage, mentor, and motivate a skilled development team across a broad tech stack. Design and develop scalable, secure, and high-quality software in line with architectural standards. Uphold and enhance coding and testing standards through peer reviews and More ❯

Join a global financial services leader at the forefront of electronic trading infrastructure. They are looking for a skilled Python Software Engineer to contribute to cutting-edge automation tools powering low-latency trading systems. This is a Senior engineering role More ❯

Job Title: XVA Developer/C++ Developer Location: London, Liverpool street Length of Contract: 6 months with the high potential for extension Location: London, 100LS Hybrid: 3 days onsite About the Role: Join a global financial institution's XVA development team to design, build, and maintain critical simulation applications and tools that support the XVA desk and other trading, research More ❯

Software Developer – Contract – Fully Remote VIQU have partnered with a leading public sector organisation to recruit a .NET/C# Software Developer for a short-term contract. The Role: This Software Developer role will see the successful developer support the ongoing development, customisation, and maintenance of internal web applications and solutions. You will work on .NET web development, alongside Microsoft … Power Apps. Your work will focus on pro-code development of web applications, as well as customisations for Power Apps. Key Skills & Experience: Solid commercial experience as a Software Developer, developing web applications using .NET and C# Proficiency building and customising Model-Driven Apps and Canvas Apps (Power Apps experience). Strong working knowledge of SQL and Microsoft Dataverse Experience … API and Microsoft Graph API Proven experience writing Windows scripts (e.g. PowerShell, batch scripting) Agile (SCRUM) Azure DevOps Strong communication skills and a collaborative mindset Contract Overview Role: Software Developer Length: 5-month contract IR35: Inside IR35 Rate: £330 per day Location: Fully Remote Apply now to speak with VIQU IT in confidence. Or reach out to Suzie Stone via More ❯

Dynamics 365 Developer | London OR Birmingham OR Hook | Hybrid | 6 Months Initial Contract | Up to £650/day Inside IR35 | Omnichannel | JAVA | Our client is seeking a talented Dynamics 365 Developer to join their team and apply their knowledge and technical expertise to the delivery of Dynamics 365 and Power Platform solutions within a product-based organisation with an agile More ❯

Dynamics 365 Developer | London OR Birmingham OR Hook | Hybrid | 6 Months Initial Contract | Up to £650/day Inside IR35 | Omnichannel | JAVA | Our client is seeking a talented Dynamics 365 Developer to join their team and apply their knowledge and technical expertise to the delivery of Dynamics 365 and Power Platform solutions within a product-based organisation with an agile More ❯

Outsystems Developer 6 months Remote/London £Negotiable - INSIDE IR35 Experience of OutSystems development, in customer facing or professional services roles. ***Please note, due to the nature of work with my client, the selected candidate must be eligible for Security Clearance*** More on the job details - Delivering fantastic low-code solutions on enterprise-level client projects. Working closely with the … Knowledge in database modelling and SQL programming (e.g. joins, count, group by, indexes, etc.). Good knowledge of C# and .Net including commonly used code libraries OutSystems Associate Reactive Developer certification UK residency or UK national to support eligibility for security clearances. Working in OutSystems applications that use a micro-services architecture Disclaimer: This vacancy is being advertised by either More ❯

You will be working with a London-based financial services client on a long-term risk-focused project as a senior C++ developer. What you'll need to succeed Extensive C++ development experience within financial services/investment banking - mandatory More ❯

Full-Stack Developer 2 days remote/Hybrid You will be working within a talented team of analysis/consultants to help deliver analytical solutions and consultancy projects to clients across a range of sectors (travel, manufacturing, microfinance, engineering, services etc.). Typical responsibilities will include: Manage both scheduled and ad hoc data harvesting processes. Write efficient regular expressions to More ❯

Senior C# Developer - Apache Kafka, Azure, Microservices Up to £460 per day (Outside IR35) Primarily Remote Initially 3 months I am working with an instantly recognisable consultancy who require a C# .Net Developer with hands-on experience with Apache Kafka and Confluent Kafka, and a strong background in cloud-native development using Docker and Azure.Key Requirements: Proven experience as a … C# .Net Developer Strong experience in building and managing Kafka clusters and topics. Recent experience developing Microservice based solutions Strong knowledge of version control systems such as Git and associated CI/CD tooling (ideally with Azure DevOps, Jenkins or similar) Experience working with structured data formats and APIs (JSON Payloads). Knowledge of schema evolution and validation practices (JSON More ❯

Role: ServiceNow Developer Salary/Rate: £600-700 Location: hybrid multiple locations availableContract Duration: 12 months We are currently looking for a ServiceNow Developer for our government client. This ServiceNow Developer role is hybrid, based between 2 days per week on site and the remainder of the week working remotely. Office locations include most major towns, with London being a … preference. The contract for the ServiceNow Developer position is for 12-months with potential to extend, operating inside IR35. Security Clearance: Security Check ("SC Clearance") This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. Job role/experience required: Proficiency in JavaScript : Core scripting language used in ServiceNow. … Discovery. Performance Analytics and Reporting : Creating dashboards and custom reports. Security and Access Control : Roles, ACLs, and data protection best practices. Certifications: Certified System Administrator ( CSA )/Certified Application Developer ( CAD )/Certified Implementation Specialist ( CIS ) - in ITSM, HR, CSM, etc. Hands-on experience in ServiceNow development and administration (typically 2-5+ years). Experience in Agile/Scrum More ❯

Location :London. Work from OFFICE Type of employment : Inside IR35, Contract No sponsorship Job description : Support the design and evolution of scalable and reusable systems architecture across products and services. Collaborate with engineering, DevOps, product, compliance, and security teams to More ❯

Role: ServiceNow Developer Salary/Rate: £600-700 Location: hybrid multiple locations available Contract Duration: 12 months We are currently looking for a ServiceNow Developer for our government client. This ServiceNow Developer role is hybrid, based between 2 days per week on site and the remainder of the week working remotely. Office locations include most major towns, with London being … a preference. The contract for the ServiceNow Developer position is for 12-months with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. Job role/experience required: Proficiency in JavaScript : Core scripting language used in … Discovery. Performance Analytics and Reporting : Creating dashboards and custom reports. Security and Access Control : Roles, ACLs, and data protection best practices. Certifications: Certified System Administrator ( CSA )/Certified Application Developer ( CAD )/Certified Implementation Specialist ( CIS ) - in ITSM, HR, CSM, etc. Hands-on experience in ServiceNow development and administration (typically 2-5+ years). Experience in Agile/Scrum More ❯

Web Designer (Contract) WordPress & Stripe Integration Full-Time | Remote Option Available | Financial Services | Immediate Start A leading financial services organisation is seeking an experienced Web Designer for a full-time temporary contract to deliver a critical payment integration project. This More ❯

Java Developer Clearance required: Must hold SC and NPPV3 or be eligible for both Location: Croydon - onsite 2/3 days a week Job Description: What you'll bring:* Experience of Java.* Experience of Spring framework or equivalent.* Knowledge of software design patterns and when to apply them.* Excellent knowledge of development processes.* Experience of containerization using Docker or Kubernetes. More ❯

GoLang Developer London, UK 6 Month Contract An incredible opportunity for an experienced GoLang Developer with advanced backend engineering skills to join a prestigious tech client on a contract basis. This company is renowned for its engineering excellence, and they're looking for a GoLang Developer who can take their distributed systems to the next level. As a GoLang Developer … data-intensive applications that push the boundaries of technology, taking ownership of the full software engineering lifecycle, including design, development, and implementation. Reporting into an Engineering Manager, the GoLang Developer will also leverage modern technologies like AWS, Kubernetes, Docker, and Kafka, whilst also architecting and implementing microservices-based solutions in collaboration with cross-functional teams. In addition, the GoLang Developer … will also be responsible for optimising system performance, reliability, and scalability, as well as participating in code reviews, design discussions, and knowledge sharing. GoLang Developer - Key Requirements: Significant professional experience in software development, with a strong focus on backend systems Proficiency in Go/Golang and proven expertise in AWS, Kubernetes, and Docker Experience with end-to-end software engineering More ❯

Role/Job title Azure Cosmos DB Admin and Developer Work Location London Role type - Permanent/Fixed Term/Contracting Contracting Mode of working Hybrid/office based office based If Hybrid, how many days are required in office? Required to be in London Office Number of positions 2 Duration of assignment 06 Months Any other working conditions - travel …/on call/shifts None To be published on job boards from below onwards The Role The DB Admin and Developer will play a critical role in designing and developing scalable, secure, and high-performance applications tailored for banking and financial services. This role involves architecting cloud-native solutions using Azure Cosmos DB (SQL API and Mongo API), implementing … effective partitioning strategies, indexing, and consistency models to support real-time financial data processing. The developer will build reusable libraries and frameworks using C#/.NET or Node.js and establish robust CI/CD pipelines through Azure DevOps to streamline delivery and reduce operational overhead. A key responsibility includes monitoring and optimizing Cosmos DB performance using Azure Monitor and Application More ❯

consistently recognized as a top employer by Fortune and Glassdoor for over 13 years. World Wide Technology Holding Co, LLC (WWT) has an opportunity for a Java Full stack Developer . Below is the JD for the role. Please help me with the information needed to process your application, and I will contact you to discuss the role. This is … a contract Role & Inside IR35 Java Full stack Developer Contract Duration : 6 months! Location: United Kingdom (Remote) Scope: Full Stack Developer to support the delivery of network automation capabilities. This role is focused on delivering high-quality software to accelerate time to market, reduce operational costs, and boost network productivity. Key Responsibilities Deliver network automation software in an Agile Scrum More ❯

Database Admin/Developer (Azure Cosmos) Start: ASAP Duration: 6-12 months Location: central London, 100% office based Pay: negotiable, inside IR35 We are seeking a skilled DB Admin & Developer to design and build high-performance, cloud-native applications for the banking and financial sector. You'll architect solutions using Azure Cosmos DB (SQL & Mongo API), implement partitioning and indexing More ❯

Role Title: F# Software Developer Location: London End Date: 31/12/2025 Rate: £300 per day - PAYE via Umbrella Role Description: To design develop and improve software utilising various engineering methodologies that provides business platform and technology capabilities for our customers and colleagues. Technical Troubleshooting Continuous Learning Software Design Strategic Thinking Change and Transformation Digital and Technology Computer … Programming Secure Coding Practices Teamwork Communication Test Automation Problem Solving Tools Business Acumen Risk and Controls Job Summary We are seeking a skilled F# Developer to join our team and contribute to the development of robust, efficient, and scalable software solutions. As an F# Developer, you will leverage functional programming principles within the .NET ecosystem to build applications that meet … requirements. Write clean, maintainable, and efficient code. Conduct code reviews and ensure adherence to coding standards. Debug and resolve software issues. Participate in agile development processes. Key Skills F# Developer (or strong C# Developer). F# is a JavaScript and .NET language for web, cloud, data-science, apps and more. F# gives simplicity like Python with correctness, robustness and performance More ❯