17 of 17 Contract Senior Developer Jobs in London

SC Cleared Senior Pega Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£506/day £506 per day (inside IR35)
Senior Pega Developer Rate: £550 per day Location: Remote Working Contract length: To confirm IR35 status: Inside IR35 Clearance requirement: Active SC Clearance required Mandatory Certification : Pega Certified Senior System Architect (PCSSA) Pega Certified System Architect (PCSA) certification and progression through the Pega certification pathway. Your … company A contract opportunity is available for an experienced Senior Pega Developer to support the delivery of complex enterprise applications using the Pega Platform. You will work closely with Lead System Architects, Business Analysts, Product Owners and engineering teams to deliver high-quality Pega solutions within a structured ...

Senior ServiceNow Developer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
Senior ServiceNow Developer Key responsibilities: * Work with the ServiceNow Engagement Lead and business stakeholders to translate agreed requirements into functional and technical solution designs, contributing to and, where appropriate, facilitating solution-design workshops. * Design, configure, develop and implement end-to-end ServiceNow solutions, including Flow Designer workflows, Business … configure and help embed approved ServiceNow AI capabilities, including Now Assist and AI Agents, into new and existing solutions. * Work with the Principal ServiceNow Developer on more advanced agentic use cases and contribute to the platform's AI roadmap. * Design, develop and support integrations between ServiceNow and other enterprise ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700 - £800 per day
Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels … systems and extensive datasets. Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Proficiency in Python as your primary language, or willingness to adapt. Hands-on experience with RESTful APIs and/or GraphQL. Proficiency ...

Senior Backend Developer

Hiring Organisation
Rullion Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 700 - 800 Daily
Senior Backend Developer Full-time Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels ...

Senior Python Developer | £700/day inside IR35

Hiring Organisation
Akkodis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700/day Inside IR35, Hybrid
Senior Python Developer - Finance London | Hybrid - 3 days per week £700/day Inside IR35 | 12-month contract Permanent/FTC options also available We're working on a number of new Senior Python Developer opportunities within a major Financial Services technology environment, supporting significant investment … term, with permanent opportunities up to £100,000 and 12-month FTC options up to £120,000 available. If you're a strong Python Developer with solid banking experience and you're looking for a sizeable programme where there is genuine investment in technology, this is well worth ...

Senior webMethods Integration Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£625 - £645/day inside ir35
title: Senior webMethods Integration Developer Contract: 6 months rolling Rate: £625 - £645 per day inside ir35 Location: Remote - Some travel to Client site will be required (estimate 1-2 times per month to London and/or the South/South-East). SC security clearance is required … this role. I'm looking for a Senior webMethods Integration Developer to join an agile delivery team working on a mission-critical UK MOD platform. This is a genuinely hands-on development role for someone who knows webMethods Integration Server, Universal Messaging and API Gateway inside ...

Senior C# Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £416/day Inside IR35
Opportunity | Tier 1 Investment Bank | Canary Wharf Overview Our client, a Tier 1 Investment Bank based in Canary Wharf, is seeking an experienced C# Developer to join a strategic application modernisation programme. This role sits within a technology team responsible for evolving critical business applications, supporting a transition from … work across the full software development lifecycle, contributing to the enhancement of existing applications while helping shape the future-state architecture. Key Information Role: Senior C# Developer Location: Canary Wharf, London (Hybrid Working) Contract Length: 6 Months Initial Contract Rate: £416 per day (Inside IR35) Start Date: ASAP ...

Senior .NET Developer

Hiring Organisation
Pontoon
Location
Bromley, London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day Inside IR35
identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior .Net Developer Location : Bromley (3 days per week onsite) Contract: 12 months initially with possible extension. Rate : £700 - £750 inside umbrella In connection … with the ongoing support and development of the Collateral business for Global Markets, we are looking for a strong Software Developer to join the technology teams in London, Bromley and Camberley working on a range of applications for GMOT. RESPONSIBILITIES: Develop, enhance and support a range of critical applications ...

Senior Backend Developer

Hiring Organisation
Rullion Managed Services
Location
City of London, London, Farringdon, United Kingdom
Employment Type
Contract
London Rate: TBC Join a dynamic energy provider dedicated to delivering sustainable solutions across the UK. We are looking for an enthusiastic and resourceful Senior Backend Developer who is passionate about building exceptional products and developing robust, scalable solutions. This is an initial 6-month contract, with potential … Front-end, Platform and Security teams. Help drive continuous improvement across development practices and technical solutions. Knowledge and Skills Demonstrable experience working as a Senior Backend Developer. Strong commercial experience with Python as a primary development language. Hands-on experience developing RESTful APIs and/or GraphQL. Experience with ...

Senior Full Stack Developer

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750/day Inside IR35
identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Full Stack Developer (Front End - Java/Angular/Solidity) Location : London (5 days per week onsite) Contract: 12 months with possible extension … Rate : £700 - £750 inside IR35 Overview We are looking for experienced Senior Full Stack Engineers to join a high-performing engineering team building and enhancing modern enterprise applications. This is a hands-on development role for engineers who enjoy working across the full technology stack, delivering scalable web applications ...

Senior C++ Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Contract
hackajob is partnering directly with AND Digital to hire for this role. Contract Senior C++ Developer Location: London, 2 to 3 days onsite in Kings Cross Contract: Immediate start - 12 week contract Who We Are AND Digital are on a mission to close the world's tech skills ...

Senior C++ Developer

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
hackajob is partnering directly with AND Digital to hire for this role. Contract Senior C++ Developer Location: London, 2 to 3 days onsite in Kings Cross Contract: Immediate start - 12 week contract Who We Are AND Digital are on a mission to close the world's tech skills ...

Senior Backend Developer

Hiring Organisation
Rullion - Eon
Location
City of London, London, United Kingdom
Employment Type
Contract
Join a dynamic energy provider dedicated to sustainable solutions in the UK. We seek enthusiastic and resourceful Backend Python Engineers at senior levels who are passionate about crafting exceptional products. Initially it will be a six-month contract but there is potential for it to be extended. The role … systems and extensive datasets. Foster close collaboration with our Product, Data, Front-end, Platform, and Security teams. Knowledge and Skills: Demonstrated expertise as a Senior Backend Developer. Proficiency in Python as your primary language Hands-on experience with RESTful APIs and/or GraphQL. Proficiency in version control tools ...

Senior eTrading Developer - Rates

Hiring Organisation
Randstad Digital
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 750 - 800 Daily
seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded closely with ...

Senior eTrading Developer - Rates

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£750 - £800 per day
seeking a seasoned, high-caliber Senior e-Trading Java Developer to join the UI & Electronic Trading team. You will contribute directly to a strategic multi-year greenfield build-out and modernization of our core Rates electronic trading platform. The position offers a dynamic working environment embedded closely with ...

Senior KDB+/Q Developer | Hybrid | £950/day inside IR35

Hiring Organisation
Akkodis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£900 - £950/day Hybrid
Senior KDB+/Q Developer £950/day | Inside IR35 12-month contract (potential extension) Hybrid - 3 days onsite - London I'm working on a long-term contract opportunity for a highly experienced KDB+/Q Developer to join a large financial services organisation. They're looking … someone operating at a genuinely senior level, with deep hands-on KDB/Q expertise and experience taking technical ownership of complex, business-critical platforms. You'll work closely with technical and business stakeholders, contribute to solution design and delivery, and provide technical direction across the wider team. ...

Frontend Developers (Design-Focused) Jnr/Senior - Bank - London

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £600 per day
Front-End Developers (Design-Focused) Junior/Senior - Bank - London Daily rate: £400 - £600 (inside IR35) Duration: 6 - 12 months Hybrid: 2 days per week Start: ASAP We are looking for Front-End Developers with a strong appreciation for design and user experience. This role is ideal for someone … enjoys building high-quality user interfaces and can effectively bridge the gap between design and engineering. We need Junior, Mid and Senior level developers. Working closely with designers, product managers and engineers, you'll transform concepts, wireframes and visual designs into responsive, accessible and performant web experiences. ...