7 contract developer jobs found

Senior C# Developer - Investment Banking £750/day | Outside IR35 | 12-month rolling contract | Largely Remote If you're a strong C# engineer with genuine Event Sourcing experience and interested in a long term banking project, get in touch I'm working with a leading investment bank looking for a strong Senior C# Developer to join a long-term project building and enhancing a large-scale Structured Notes platform. This is a hands-on engineering role with approximately 80% Back End C#/20% frontend, working on complex, distributed systems. The role: You'll be working across a modern .NET platform, designing and developing scalable Back End services while contributing to the Angular Front End where required. The environment involves large-scale distributed systems, asynchronous processing, Multithreading and event-driven architecture. Core technical requirements: Excellent C#/.NET development experience Strong .NET 8 knowledge Previous commercial Event...

🚀 Senior C# Developer – Investment Banking £750/day | Outside IR35 | 12-month rolling contract | Largely Remote I’m working with a leading investment bank looking for a strong Senior C# Developer to join a long-term project building and enhancing a large-scale Structured Notes platform . This is a hands-on engineering role with approximately 80% backend C# / 20% frontend , working on complex, distributed systems. The role: You’ll be working across a modern .NET platform, designing and developing scalable backend services while contributing to the Angular frontend where required. The environment involves large-scale distributed systems, asynchronous processing, multithreading and event-driven architecture. Core technical requirements: • Excellent C# / .NET development experience • Strong .NET 8 knowledge • Previous commercial Event Sourcing experience – essential • Strong understanding of multithreading, concurrency and asynchronous...

Title: Senior Java Developer Client: Leading Trading Firm Rate: Up to £725 p/d Duration: 6 Month - Rolling Location: London - Hybrid   We are looking for a Java Developer, with strong experience working in the finance sector, to join a leading trading firm based in London.   This role will give you the opportunity to work on Greenfields development projects, focussing on buy side trading platforms, working alongside some of the best developers the sector has to offer!   This is a 6 month rolling contract with very high chance of extension!   Skills/Experience   Strong hands-on/commercial coding experience in Java Strong experience working in the finance sector - experience in crypto or equities trading a big plus Strong Communication skills A personality and genuine passion for technology!   If this sounds like something that may be of interest, then please do not...

Veeva CRM Implementation Consultant - Life Sciences Contract: Initial 6 months Engagement: Day Rate Contract Location: UK/Europe - Hybrid/Remote with occasional client travel Rate: £750 per/day Outside IR35 Sector: Life Sciences/Pharmaceutical Technology: Veeva CRM/Veeva Commercial Cloud Role Overview We are looking for an experienced Veeva CRM Implementation Consultant to support a major technology and business transformation within a global life sciences environment. This is a hands-on consulting role for someone who combines strong Veeva CRM expertise with a detailed understanding of pharmaceutical commercial processes. You will work between business, technology and implementation teams to translate requirements into a practical Veeva solution and help take the programme from design through configuration, testing, deployment and adoption. The successful consultant will have previously delivered Veeva CRM implementations or major...

Senior C# IAM Developer - Auth0, Identity & Access Control, AWS - OUTSIDE IR35 Contract: 8 months Rate: £700 - £750 OUTSIDE IR35 Location: 100% remote The Role: Working for a global, market leading B2B SaaS business, you'll lead the design and implementation of secure, identity-driven Back End services in a modern C#/.NET environment. Your work will centre on authentication, authorization, and secure event-driven architectures. You'll own our Auth0 integration end-to-end , ensuring our platform meets strict security, compliance, and reliability standards. This is a role for someone who thinks deeply about threat models, defence-in-depth, and secure-by-default engineering. What You'll Do: Architect and implement secure Back End services in C# & .Net Own and evolve our Auth0 identity platform: tenant configuration, flows, hooks, rules, MFA, RBAC Design and maintain token-based security models (OIDC, OAuth2, JWT lifecycle, refresh...

Senior Python Developer Formula. Surrey, England, United Kingdom (Hybrid) Save Apply Contract Senior Python Engineer Up to £700 per day (Outside IR35) 6 month contract with scope for extension Hybrid, Surrey (3 days a week onsite) We're working with an award-winning, growing business who are looking for a contract Senior Python Engineer to join a small, highly technical team on an initial 6 month contract. You'll take end-to-end ownership of the Back End and the AWS environment behind it. What we expect from the Senior Python Engineer : Proven experience across Back End engineering utilising Python and Django Hands-on AWS ownership and infrastructure as code, comfortable being responsible for production rather than just deploying to it Experience running asynchronous, long-running workloads in production, covering concurrency, retries and idempotency Degree educated, ideally to Master's level in an engineering or mathematics discipline Tech...

**FULLY REMOTE** WE URGENTLY REQUIRE SC CLEARED CHECK TEAM LEAD (CTL)/CHECK TEAM MEMBER (CTM), PEN TESTER/PENETRATION TESTER/ ETHICAL HACKER – FULLY REMOTE – CONTRACT – RATES £650/£700 PD OUTSIDE OF IR35 FULLY REMOTE with occasional client visits to Manchester, North West, or Newcastle upon-Tyne, North East. Working in an SC Security Cleared environment, You will hold current SC Clearance or DV (Developed Vetting) Skills required: CSTL or CSTM-essential (NCSC) Previous experience of penetration testing public sector or critical national infrastructure (CNI) systems and networks. Azure,AWS On-prem Infrastructure Containers,Kubernetes Excellent communication skills, with previous coaching and training skills Please apply on line   - SmartSourcing are a Disability Confident Employer and we promote, celebrate and value diversity, we are committed to promoting equality and inclusion for all.