26 to 50 of 56 Contract Senior Developer Jobs

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' Java Development experience within financial services - mandatory Good knowledge across a range of asset classes, ideally Fixed Income Strong 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' Java Development experience within financial services - mandatory Good knowledge across a range of asset classes, ideally Fixed Income Strong More ❯

You will be working with a London-based investment bank within a market-leading front-office team developing business-critical solutions for a range of stakeholders including traders and quants. What you'll need to succeed Extensive Java Development experience More ❯

Job Title: Senior Java Developer Location: London We're looking for a talented Java Developer with a strong numerate background to join a fast-paced front-office pricing team . You'll help build the next-gen Interest Rate Pricer , working closely with quants and traders. Key Responsibilities: Develop and support pricing platforms using Java 17+ Interface More ❯

Senior Go Developer London, UK 6 Month Contract An incredible opportunity for an experienced Senior Go Developer with strong backend engineering skills to join a prestigious tech client on a contract basis. Known for its high bar for engineering quality, this isn't your typical banking or fintech gig - contractors here are genuinely embedded, involved, and … making meaningful impact from day one. As a Senior Go Developer, you'll play a key role in building mission-critical, data-driven services that power core parts of the platform. You'll take ownership across the full development lifecycle, from system design and implementation to optimisation and release. You'll be working in an open, fast-moving … to shape how things are built and the trust to get on with it - whether that's improving infrastructure, shipping new features, or quietly refactoring something that needs it. Senior Go 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 More ❯

Job Title: Senior Java Developer - Electronic Trading Location: London A leading global financial firm is looking for a skilled Java Developer to join their Electronic Fixed Income team. You'll help build and improve fast, reliable trading systems that connect to global markets. What You'll Do Develop and improve electronic trading systems with a focus on More ❯

Senior Full Stack Ruby Developer/Outside IR35/£600 Per Day/Fully Remote/6 Months I am looking to speak to experienced Ruby Developers with commercial experience in a full-stack capacity. The ideal candidate will have extensive and demonstrable experience working with Ruby , React , TypeScript , and exposure to ApolloDB, GraphQL and Sidekiq. In this … copy of your CV. Alternatively please email ( (url removed) ) directly for a follow up call. The role is urgent, and would ideally see someone start by 8th July latest. Senior Full Stack Ruby Developer/Outside IR35/£600 Per Day/Fully Remote/6 Months More ❯

I am working with a consutlancy who need a DevOps engineer to start a project on 7th July. £500 per day 3 month fully remote Inside IR35 AWS DevOps engineer: - Someone who has previously lead a team - Containers (Docker/ More ❯

I am working with a consutlancy who need a DevOps engineer to start a project on 7th July.£500 per day3 month fully remoteInside IR35AWS DevOps engineer:- Someone who has previously lead a team- Containers (Docker/Kubernetes)- AWS - CI More ❯

Senior APEX Developer £525 to £570 per day Umbrella Bristol (Hybrid - 2 days per week on site 6 Months Security Clearance The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role. You'll join the Digital Solutions Team, as a software developer, playing an active role in the through More ❯

Senior APEX Developer 525 to 570 per day Umbrella Bristol (Hybrid - 2 days per week on site 6 Months Security Clearance The successful candidate must be able to achieve and maintain Security Check (SC) security clearance for this role. You'll join the Digital Solutions Team, as a software developer, playing an active role in the through More ❯

JOB DETAILS - £530 PER DAY- OUTSIDE IR35- IMMEDIATE START- 6-MONTH CONTRACT- ELIGIBLE FOR SC CLEARANCE SKILLS - Extensive experience in C# and .Net.- Excellent knowledge of .Net Core frameworks.- Experience in Gihub and CI/CD tooling.- Strong skills in More ❯

Senior API Developer ARC IT Recruitment Brighton, England, United Kingdom (Hybrid)Senior API Developer Are you a seasoned .NET Developer with strong API experience looking for your next contract role? We’re hiring for a dynamic business in Brighton that’s delivering modern, scalable solutions and needs an experienced contractor to join their collaborative development More ❯

Senior BI Developer - Front Office, Power BI, Python sought by leading investment bank based in the city of London. **Inside IR35 - 4 days a week on site** Overview BI Developer role supporting Front Office operations with expertise in Power BI, data engineering, and stakeholder management in investment banking environment. Key Responsibilities Design and maintain Power BI dashboards More ❯

We are seeking a Senior GUI Developer to hit the ground running who will lead the design and development of a high-performance, real-time Limit Order Application within our global eFX trading platform. This application will serve as a critical interface for traders and risk managers, enabling precise control and monitoring of limit order strategies across global … markets. This is a senior-level role requiring deep technical expertise in GUI development, a strong understanding of trading workflows, and the ability to deliver under pressure in a fast-paced, high-stakes environment.Why This Role Is Important to UsThe Limit Order Application is a key component of our eFX trading infrastructure, enabling efficient and controlled execution of trading More ❯

Our large, International client is seeking a Senior/Lead Salesforce Developer for an initial 6 month contract (likely to extend), based in West London. This is a hybrid role with 3 days a week onsite, (non-negotiable), starting ASAP. The successful candidate will have 5 years + of in-depth, hands on experience and come from a … strong Salesforce platform & development background. Essential skills include: Salesforce development (Apex, LWC, SOQL), Certifications (PD2, JavaScript Developer 1, Cloud). Ci/CD Tools (Copado or Gearset) Proven leadership and team mentoring skills are a must. Exciting opportunity to work on large scale products, within an international environment. More ❯

Our large, International client is seeking a Senior/Lead Salesforce Developer for an initial 6 month contract (likely to extend), based in West London. This is a hybrid role with 3 days a week onsite, (non-negotiable), starting ASAP. The successful candidate will have 5 years + of in-depth, hands on experience and come from a … strong Salesforce platform & development background. Essential skills include: Salesforce development (Apex, LWC, SOQL), Certifications (PD2, JavaScript Developer 1, Cloud). Ci/CD Tools (Copado or Gearset) Proven leadership and team mentoring skills are a must. Exciting opportunity to work on large scale products, within an international environment. More ❯

Senior C++ Developer - C++, SQL, Linux, Kafka Looking for a Senior C++ Developer to help support and enhance the clients leading-edge cloud based software platform Requirements: - Extensive C++ commercial experience - SQL - Unix/Linux - Kafka - Financial services experience (preferred) - C# (preferred) London/Hybrid/Contract By applying to this job you are sending us More ❯

Our client, a leading global organisation, is partnering with a prestigious end client based in Nottingham.We are excited to offer a fantastic opportunity for a talented SeniorSalesforce Developer to join a dynamic and agile development teamon an initial 6-month contract, with the potential for extension. If you are interested and have the relevant skills and experience, please apply … promptly to discuss further. Job Title: Senior Salesforce Developer Location: Nottingham, UK (Hybrid on-site as needed) Job Type: Contract (6 months, with possible extension) Rate: Inside IR35 - Market Rates About the Role We are looking for a Senior Salesforce Developer to join a high-performing agile team working on enterprise-level Salesforce solutions. This is … external systems via APIs. Desirable Skills Excellent communication and stakeholder engagement skills. Experience leading development pods or agile teams. Strong understanding of Agile methodologies and development lifecycles. Esther Urtecho Senior Delivery Consultant London | Bristol | Amsterdam More ❯

Freelance Senior iOS Developer (Apple Ecosystem) - Software - RemoteDaily rate: £350 - £450 (inside IR35) Duration: 3 monthsStart: ASAP My client is looking for a highly skilled and experienced Senior iOS Developer to join our team on a freelance basis. You will be responsible for designing, developing, and maintaining advanced applications for the iOS platform. You should have … watchOS and iOS frameworks, and a strong grasp of best practices in mobile architecture, user experience, and code quality. This role is ideal for a proactive and self-motivated developer who thrives in a remote, collaborative environment and can independently drive projects to completion. Key Responsibilities Develop and maintain iOS applications using Swift and Objective-C Collaborate with product More ❯

Our OEM Client based in Whitley, Coventry, is searching for a Senior Automation & Developer Engineer to join their team, Inside IR35. This is a contract position until 31st March 2026. Umbrella Pay Rate: £33.64 per hour. Our client has recently restructured the Propulsion CAE team in particular the Virtual Build Factory team. The area is currently inventing and More ❯

My client in Essex are looking to appoint a talented Senior Applications Developer on a Contract basis. This role will lead, monitor, optimise and continuously improve the delivery of software components so that the organisation can provide simple user experiences and achieve better outcomes for people and businesses. What's on offer: Salary: £500 per day, inside IR35 More ❯

Senior C# Developer - Commodities Trading - Outside IR35 Exciting opportunity for an experienced senior developer to build on their experience in Commodities or similar trading development role in this successful Commodities Trading company. £750 - 800 per day Outside IR35 The Senior C# Developer will have significant prior experience as a Senior Software Engineer/… Senior Developer working as C# Developer in a Commodities trading environment where they will have gained knowledge of the full trade life-cycle and feel comfortable speaking directly to traders and senior stakeholders in the business as well as senior technical colleagues such as architects. Central London location, with Hybrid working expected. Very strong core More ❯

Senior NodeJs Developer/Hybrid (London)/3 months/£500 to £600 (pd Outside IR35) I am currently looking for a Senior NodeJs Developer to join a consultancy client of ours on a initial 3 month contract supporting a major brand. This will ideally be completed on a hybrid basis, but we can consider remote More ❯

Senior NodeJs Developer/Hybrid (London)/3 months/£500 to £600 (pd Outside IR35) I am currently looking for a Senior NodeJs Developer to join a consultancy client of ours on a initial 3 month contract supporting a major brand. This will ideally be completed on a hybrid basis, but we can consider remote More ❯