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65 senior developer jobs found

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Duration not stated senior developer Greater London
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Contract Spy
Dec 18, 2025
Duration not stated
Senior Power BI Consultant/Developer - Banking Operations at Emagine Consulting, London, £600-£650 per day
£600 - £650 per day
Contract Spy London, UK
We are currently looking for a Senior Power BI consultant/developer to build, lead, and own a new reporting capability within the Operations/IT function. This is a high-autonomy, hands-on role that combines BI development, operational analysis, system support, and technical problem-solving Senior Power BI Consultant/Developer- Banking Operations (Reconciliations / Controls) £600- £650pd London - (Hybrid) x2 Days on-site emagine is a high-end professional services consultancy and solutions firm specializing in providing business and technology services to the financial services sector. We power progress, solve challenges, and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication to delivering the optimal service for our clients. Our commitment is not just towards...
Contract Spy
Dec 12, 2025
Duration not stated
Senior Power BI Consultant/Developer at Emagine Consulting, London, £600-£650 per day
£600 - £650 per day
Contract Spy London, UK
We are currently looking for a Senior Power BI consultant/developer to build, lead, and own a new reporting capability within the Operations/IT function. This is a high-autonomy, hands-on role that combines BI development, operational analysis, system support, and technical problem-solving Senior Power BI Consultant/Developer- Banking Operations (Reconciliations / Controls) £600- £650pd London - (Hybrid) x2 Days on-site emagine is a high-end professional services consultancy and solutions firm specializing in providing business and technology services to the financial services sector. We power progress, solve challenges, and deliver real results through tailored high-end consulting services and solutions. We have created a culture of openness and integrity by building genuine and strong relationships and partnerships, enabling us to be uncompromising in our dedication to delivering the optimal service for our clients. Our commitment is not just towards...
Contract Spy
Dec 04, 2025
Duration not stated
Senior Java Developer at Adaptive Financial Consulting, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
Senior Java Developer - London (Contract Outside IR35) WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintech and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Java Developer services on an exciting project! THE SERVICES REQUIRED: A JVM lover who really enjoys working with the latest technologies and design patterns Eager to solve complex technical challenges, especially in cloud-based environments...
Contract Spy
Dec 04, 2025
Duration not stated
Senior Full Stack Developer at Two Circles, London, £Contract Rate
Contract Spy London, UK
ROLE: Senior Full Stack Developer - Contract OFFICE: London   We are Two Circles. We are a Sports & Entertainment Marketing business. We grow audiences and revenues. We do that by knowing fans best. We work with clients to help them understand & influence what their fans are doing – the way fans spend their money, the events that fans attend, the channels fans respond to, the content fans watch and more. And we use the understanding this gives us to help our clients grow. Grow their audiences and grow their revenues - both direct to consumer and business to business revenues. Our platforms and services are trusted by over 900 clients globally, including the English Premier League, Red Bull, UEFA, VISA, the NFL, Nike and Amazon. We are almost 1000 people, based out of 14 offices, and we deliver work for sports and entertainment businesses of all shapes and sizes all over the world   JOB DESCRIPTION As part of our ongoing growth,...
Contract Spy
Nov 28, 2025
Duration not stated
Senior Java Developer at Waracle, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
Waracle is a world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation.   We work with ambitious clients to help them solve their biggest business and customer challenges. We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. Waracle are looking for a Senior Backend Java Developer with hands on experience in AI implementation to join our growing team. This role is available on a permanent or contract (Outside IR35) basis and will be based hybrid from our London office.   As a Senior Backend Developer, you will be a key technical leader, responsible for the end-to-end design, delivery, and optimisation of our clients' most critical backend systems. This role requires not...
Contract Spy
Dec 16, 2025
Duration not stated
Junior Full Stack Java Web Developer at ReachX, London, £Contractor Rate
Contract Spy London, UK
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
Dec 09, 2025
Duration not stated
Junior Full Stack Java Web Developer at ReachX, London, £Contractor Rate
Contract Spy London, UK
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
Dec 02, 2025
Duration not stated
Junior Full Stack Java Web Developer at ReachX, London, £Contractor Rate
Contract Spy London, UK
Job Title: Junior Full Stack Java Web Developer (Hybrid Contractor) About ReachX ReachX is at the forefront of the digitalization of financial services and is a leader in the future of work. ReachX services are specifically designed for Institutional Investors, Corporates, and Professional Services Firms. Our tech platform will enable you to access more than 4000 vetted Advisors and connect with more than 500 Institutional Investors active in private markets. Our mission is to make financial services more efficient and generate unique growth opportunities for our Clients, Partners, and Advisors. Examples of our Institutional Investors include Private Equity, VC, and Family offices predominantly based across the UK and Europe, and projects are typically paid on a day rate or through a success or transaction fee. Interim M&A Advisors might also have a background as: Corporate Finance Advisors CFOs and Finance Directors Investment Banking...
Contract Spy
Dec 18, 2025
Duration not stated
Senior OIC Developer at Nexify Infosystems, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
Role: Sr OIC Developer Location: London, UK ( Needed locals) Contract: Long-term Contract   Skills: • OIC VBCS platform expertise • Java – Expert level • JavaScript – Expert Level • TRADACOM, EDIFACT, X12 – Expert • Experience with EDI Integrations on OIC is an Essential skill • Experience with SFTP and AS2 based EDI   OIC Engineer • Analyse systems integrations and creates systems and software architecture that keep enterprise data secure and compliant. • Uses standards and best practices to create architectural designs and diagrams • Interfaces with clients and business partners to understand the overall needs • Create Integration processes using OIC technologies • Build reusable code. Build efficiently upon the existing data model and quickly change gears as priorities change • Maintain high service levels for clients, always...
Contract Spy
Dec 18, 2025
Duration not stated
Senior Java Developer at Adaptive Financial Consulting, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintech and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Java Developer services on an exciting project! THE SERVICES REQUIRED: A JVM lover who really enjoys working with the latest technologies and design patterns Eager to solve complex technical challenges, especially in cloud-based environments and event driven architecture patterns Experienced...
Contract Spy
Dec 11, 2025
Duration not stated
Senior OIC Developer at Nexify Infosystems, London Area, £Contract Rate
Contract Spy London Area, United Kingdom
Role: Sr OIC Developer Location: London, UK ( Needed locals) Contract: Long-term Contract   Skills: • OIC VBCS platform expertise • Java – Expert level • JavaScript – Expert Level • TRADACOM, EDIFACT, X12 – Expert • Experience with EDI Integrations on OIC is an Essential skill • Experience with SFTP and AS2 based EDI   OIC Engineer • Analyse systems integrations and creates systems and software architecture that keep enterprise data secure and compliant. • Uses standards and best practices to create architectural designs and diagrams • Interfaces with clients and business partners to understand the overall needs • Create Integration processes using OIC technologies • Build reusable code. Build efficiently upon the existing data model and quickly change gears as priorities change • Maintain high service levels for clients, always...
Contract Spy
Dec 11, 2025
Duration not stated
Senior Java Developer at Adaptive Financial Consulting, London, £Contract Rate (Outside IR35)
Contract Spy London, UK
WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world's leading investment banks, investment managers, fintech and capital market service providers. With a global reach with offices in London, New York, Barcelona, Manila and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are now looking for Java Developer services on an exciting project! THE SERVICES REQUIRED: A JVM lover who really enjoys working with the latest technologies and design patterns Eager to solve complex technical challenges, especially in cloud-based environments and event driven architecture patterns Experienced...
Contract Spy
Dec 15, 2025
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include: •...
Contract Spy
Dec 08, 2025
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include: •...
Contract Spy
Dec 02, 2025
Duration not stated
Software Developer - Front Office Trading Technology at GreySpark Partners, London, £500-£900 per day
£500 - £900 per day
Contract Spy London, UK
GreySpark Partners is a specialist consultancy that helps capital markets firms transform how they operate, compete and innovate. We combine deep industry expertise with hands-on delivery to solve complex business, technology and regulatory challenges for investment banks, asset and wealth managers, fintechs and other financial institutions, with a strong focus on front-office trading technology and solutions. GreySpark is expanding its Technology talent pool and is seeking experienced Software Developers interested in working on complex, business-critical trading platforms within global investment banks and financial markets clients. This is an opportunity to contribute to the design and optimisation of real-time systems across pricing, risk, connectivity and execution workflows. What You'll Do As a GreySpark technology consultant, you will work closely with front-office and technology teams to deliver both review and delivery projects. Responsibilities include: •...
Contract Spy
Dec 17, 2025
Duration not stated
Delphi Developer at Test Yantra Software Solutions Private Limited, London, £500 per day
£500 per day
Contract Spy London, UK
Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines using...
Contract Spy
Dec 10, 2025
Duration not stated
Delphi Developer at Test Yantra Software Solutions Private Limited, London, £500 per day
£500 per day
Contract Spy London, UK
Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines using...
Contract Spy
Dec 03, 2025
Duration not stated
Delphi Developer at Test Yantra Software Solutions Private Limited, London, £500 per day
£500 per day
Contract Spy London, UK
Role Overview We are looking for a Senior Delphi Developer with deep expertise in Delphi 10.4 or later , strong understanding of software development life cycle (SDLC) , and hands-on experience in Oracle PL/SQL and RDBMS . The ideal candidate will be responsible for designing, developing, and maintaining enterprise-grade business applications, while also contributing to build automation and deployment processes using tools such as TeamCity and Octopus . This role requires excellent debugging skills, experience in developing custom controls, and collaboration with cross-functional teams to deliver robust and scalable software solutions. Experience: 10–14 years Key Responsibilities Design, develop, and maintain business applications using Delphi 10.4 or newer versions . Participate in the full Software Development Life Cycle (SDLC) — from requirements gathering to deployment and support. Configure and maintain automated build and deployment pipelines using...
Contract Spy
Dec 19, 2025
Duration not stated
Business Analyst at VML Enterprise Solutions, London, £Contract Rate
Contract Spy London, UK
Business Analyst with Commerce experience required to join our Delivery team here in the UK, please note we offer Hybrid working. We are VML Enterprise Solutions - a group of talented engineers, tech experts, and creators who combine our passions and contribute to the IT world. You may know us better as Wunderman Thompson Technology - in 2024 we changed our name, but at the same time, we remained a great team of people who deliver our best. We design, build, manage and run complex technology platforms and help our clients to benefit from our work and creativity. The opportunity: Business Analyst needed to join our team here at VML Enterprise Solutions. Working under your own initiative with required guidance and support, a Business Analyst with proven experience you will be part of the Business Analysis team and expected to take the initiative in ensuring the business needs of our client are fully documented, understood and met by the proposed solution. This is a...
Contract Spy
Dec 19, 2025
Duration not stated
Senior Project Manager at VML Enterprise Solutions, London, £Contract Rate
Contract Spy London, UK
A Senior Project Manager with a technical background required to join our eCommerce Team on a contract basis. You will be expected to lead one or more Agile team(s) in the delivery of bespoke development projects as well as operational improvements, often in very challenging timescales. You also have excellent knowledge & experience of Agile teachings, approaches, behaviours and be capable of helping both teams and the wider organisation to address the dysfunctions that may result from teams and others misinterpreting, ignoring or rejecting Lean and Agile values and principles Please note that this job is a contractual position located in London. Please send us your CV in English. What you'll be doing: Effectively run complex projects using Agile methodologies Support the efficient flow of work by providing solutions to issues and blockers Produce accurate status reporting regarding project milestones, deliverables, risks, and issues communicating to...
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