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London, UK
£700 - £900 per day
Contract
Joseph Harry Ltd
JS-UITL

Lead React Developer (Software Engineer Programmer Developer React ReactJS React.JS TypeScript Redux Saga Ag-Grid AgGrid Python Fixed Income Equities Derivatives JavaScript Node Credit Rates Bonds Agile AWS GCP Azure Buy Side Asset Manager Investment Management PostgreSQL Node Finance Front Office Trading Financial Services Contract Contractor) required by our asset management client in London. You MUST have the following: Good experience as a Senior/Lead React Developer/Software Engineer/Programmer Demonstrable leadership experience such as carrying out projects, delegating work, reporting...  more ->

28/01/2026 11:12:47ASAP12-24 months
http://www.toptechjobs.com/fWIuA
London, UK
EXCELLENT, NEGOTIABLE
Contract
Rothstein Recruitment Ltd
JS/MRL/TC/AUPPSUPPC

Application Support - SQL Automation - Asset Management Excellent contract role for skilled Application Support/Automation Analyst to work within Asset Management/Investment Management. Key experience required: 3-5+ years' experience in Scripting and automation Strong hands-on skills in PowerShell and DOS Scripting Experience with automation and scheduling systems (batch processing, job control, monitoring) Ability to work independently, learn systems quickly, and adapt in a BAU support environment Desirable: Experience within financial services Working knowledge of SQL Exposure to Tidal,...  more ->

22/01/2026 16:12:10ASAP (Within reason)Rolling Contract
http://www.toptechjobs.com/fTyS6
London, UK
£525 per day (Inside IR35)
Contract
Tecknuovo Ltd
JS

Tecknuovo is a deliberately different digital consultancy, delivering secure, modern solutions while upskilling client teams to ensure zero long-term dependency. We are seeking an SC-cleared Java Developer to support a central government digital programme , working on Java and Spring Boot applications hosted on AWS.The role focuses on maintaining and enhancing production-grade services, embedding secure-by-design and zero-trust principles, and collaborating closely with DevOps, Application Support, and business stakeholders to ensure stability, resilience, and operational excellence within...  more ->

22/01/2026 08:10:03Immediately/within 2 weeksinitial 3-6 months
http://www.toptechjobs.com/fTqhV
London, UK
£700 - £800 per day
Contract
Randstad Technologies
JS-PR-1482461

The Race to Zero: Senior Java Low-Latency Engineer (Fixed Income) 6 months Contract London Hybrid Role Competitive daily rate. Our client "A premier global electronic trading Powerhouse" is looking for a Java Specialist to lead a mission-critical shift in their E-Fixed Income (eFI) architecture. They aren't just looking for a "developer"-we need a systems artist who understands that in this world, latency is the only metric that matters.The Tech Stack The Core: Low-latency Java (Mechanical Sympathy, Memory Tuning, GC Avoidance). The Connectivity: TransFICC specialization, TCP/UDP,...  more ->

22/01/2026 09:25:29ASAP6 months
http://www.toptechjobs.com/fTrrS
London, UK
£500 - £650/day
Contract
Computappoint
JS889978

Inside IR35 contract - Initial 6 months with extension plan Hybrid: 2-day onsite a week (Moorgate) Rate: £500 - £650/day ServiceNow Engineer - CMDB Specialist | Inside IR35 contract Contract Duration: Initial 6 months with extension plan Location: Moorgate Hybrid: 2-day onsite a week Rate: £500 - £650/day inside IR35 Job Summary: Our client, a leading UK insurance firm, is seeking an experienced ServiceNow Engineer to join their CMDB ongoing project. This role will work alongside their permanent development team to deliver critical CMDB enhancements, with a focus on configuration,...  more ->

27/01/2026 09:01:02
http://www.toptechjobs.com/fVrcV
Cambridge, Cambridgeshire, UK
475.00 Daily - 525.00 Daily GBP
Contract
Sanderson Recruitment
JS3063256374

Contract - Full-Stack Software Developer Client: (Nasdaq 100 Global Enterprise) Location: Cambridgeshire Area (2 days a week onsite - flexible working environment) Contract Term: 6 months Initial (+ extensions) Rate: £450 to £525/day via Umbrella Engagement Interview Process: 1 Stage - 30-minute Teams chat Project Overview: Join a specialist team of software contractors working on a high-profile, multi- click apply for full job details more ->

27/01/2026 12:36:19
http://www.toptechjobs.com/fVv0n
Stratford, London, UK
£460 a day
Contract
Initialize IT
JS-JF-M365/A-SC

Highly skilled M365/Azure Developer to work very closely with the MS Exchange/SharePoint teams. The role involves developing custom solutions on MS Exchange Online, Microsoft 365 and Azure platform, leveraging technologies like .Net, PowerShell etc. The candidate should have strong experience in deploying, monitoring and maintaining applications on Azure platform. Strong proficiency in C#/.NET (6/7/8), .NET Framework for Back End/service development. Strong experience with PowerShell Scripting for admin automation tasks Hands-on experience with Microsoft Graph API, Exchange Web Service, SOAP...  more ->

27/01/2026 11:29:05ASAP12 months initial
http://www.toptechjobs.com/fVukK
London, UK
Contract
Lorien
JS-BBBH140503

Senior Java Engineer Location: London (1-2 days a week in the office, mandatory on Thursdays) Experience: Minimum 8-10 years Key Responsibilities Software development and maintenance of Cortex Secondary Trader applications Participate in an agile based software development life cycle including analysis, documentation, development, testing, code reviews. Collaborate with the production support team for releases and troubleshooting of the components. Provide third-line support for the Cortex Secondary platform Skills and Experience At least four years software development experience or...  more ->

25/01/2026 20:14:15
http://www.toptechjobs.com/fVHEz
London, UK
400.00 Daily - 450.00 Daily GBP
Contract
Stackstudio Digital Ltd.
JS3062141918

Role Details Job Title: Legion WFM Developer Location: Onsite, London Job Purpose and Primary Objectives Legion WFM Developer Key Responsibilities (Please specify if the position is an individual one or part of a team) Developer responsible for implementing and integrating Legion Workforce Management solutions with Kronos in cloud environments, focusing on scheduling, timekeeping, and budgeting/forecast click apply for full job details more ->

24/01/2026 02:43:45
http://www.toptechjobs.com/fUY31
London, UK
£500 per day
Contract
TXP
JS-BBBH77663

Blue Prism RPA Developer 6 month contract Inside IR35 Hybrid, 1-2 days on site in London Active SC is advantageous Building automation solutions in Blue Prism, following and maintaining documentation and Live service including Bug Fixing Change requests and enhancing in-place automations. Strong proficiency in the use of Blue Prism software to enable complex automations. Strong written communication skills to articulate business processes and automated solution designs clearly. Ability to conceptualise and grasp automation tools and solutions. Proficient in workflow logic, including...  more ->

26/01/2026 16:42:16ASAP6 months
http://www.toptechjobs.com/fVbyh
London, UK
£700 - £900 per day
Contract
Joseph Harry Ltd
JS-BETL

REMOTE Lead Python Developer (Software Engineer Programmer Developer React TypeScript Python PostgreSQL Node Fixed Income Equities Derivatives JavaScript Node Credit Rates Bonds Agile AWS GCP Azure Buy Side Asset Manager Investment Management Finance Front Office Trading Financial Services) required by our asset management client in London. You MUST have the following: Good experience as a Senior/Lead React Developer/Software Engineer/Programmer Demonstrable leadership experience such as carrying out projects, delegating work, reporting to senior management, architecture and mentoring more...  more ->

28/01/2026 12:46:30ASAP12-24 months
http://www.toptechjobs.com/fWLtF
London, UK
£700 - £900 per day
Contract
Joseph Harry Ltd
JS-UITL

REMOTE Lead React Developer (Software Engineer Programmer Developer React ReactJS React.JS TypeScript Redux Saga Ag-Grid AgGrid Python Fixed Income Equities Derivatives JavaScript Node Credit Rates Bonds Agile AWS GCP Azure Buy Side Asset Manager Investment Management PostgreSQL Node Finance Front Office Trading Financial Services Contract Contractor) required by our asset management client in London. You MUST have the following: Good experience as a Senior/Lead React Developer/Software Engineer/Programmer Demonstrable leadership experience such as carrying out projects, delegating work,...  more ->

28/01/2026 11:20:20ASAP12-24 months
http://www.toptechjobs.com/fWJX9
London, UK
£400 per day
Contract
TXP
JS-BBBH77663

Blue Prism RPA Developer 6 month contract Inside IR35 Hybrid, 1-2 days on site in London Active SC essential Building automation solutions in Blue Prism, following and maintaining documentation and Live service including Bug Fixing Change requests and enhancing in-place automations. Strong proficiency in the use of Blue Prism software to enable complex automations. Strong written communication skills to articulate business processes and automated solution designs clearly. Ability to conceptualise and grasp automation tools and solutions. Proficient in workflow logic, including interpreting...  more ->

28/01/2026 15:12:55ASAP6 months
http://www.toptechjobs.com/fWNg7
Greater London, UK
£550 - 600 per day
Contract
William Alexander Recruitment Ltd
JSBH-8701

Data Business Analyst - SQL, Data Migration, Data Quality, Insurance A leading London Market insurer is seeking an experienced Contract Data Business Analyst to join its Data Office and project delivery teams. This role plays a key part in a major initiative to migrate an existing business lines onto a new platform, including the controlled execution of policy migration in small, quality assured batches. This is a hands on position focused on analysing, validating, and managing core business data sets while working closely with both data and project stakeholders. Required Experience & Skills;...  more ->

22/01/2026 18:00:25ASAP6 months initial
http://www.toptechjobs.com/fT0ta
Hybrid - Stratford, UK
£450/day
Contract
fortice
JSWMM365SC

Project duration 1 year Location - complete address where the candidate will work: London - Stratford Work frequency in the office , if the role is not fully remote : Hybrid work model (60% from office) Laptop type : Standard or any special requirements - Standard SC clearance : Required - Yes Job description: A highly skilled M365/Azure Developer to work very closely with the MS Exchange/SharePoint teams. The role involves developing custom solutions on MS Exchange Online, Microsoft 365 and Azure platform, leveraging technologies like .Net, PowerShell etc. The candidate should have strong...  more ->

27/01/2026 11:22:13ASAP6 months+
http://www.toptechjobs.com/fVukC
London, UK
Contract
Lorien
JS-BBBH162462

Data Analyst 6 Month Contract London/Edinburgh (Hybrid) Via Umbrella Our UK leading banking client are currently looking for Data Analyst to join their team on an initial 6 month contract. Skills: Good Critical thinking and problem solving abilities to support the data led approach Stakeholder management skills Strong understanding of data usage and dependencies with wider analytics teams Strong SQL coding skills Documentation Experience of QA & project management/version control documentation Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business...  more ->

23/01/2026 14:31:436 months
http://www.toptechjobs.com/fUMVf
London and remote, UK
Market
Contract
Octopus Computer Associates
JSOCA/JP/URG_RADAR_LIVE_LONDON_9367

Radar Live Product Configuration Developer - London and remote - 2 months+ One of our Blue Chip Clients is urgently looking for a Radar Live Product Configuration Developer. For this role you will need to be onsite in London 2 days per week. Please find some details below: CONTRACTOR MUST BE ELIGIBLE FOR BPSS MUST BE PAYE THROUGH UMBRELLA Role Description: We are seeking a skilled and detail-oriented Radar Live Product Configuration Developer to join our growing insurance technology team. You will be responsible for configuring, customizing, and maintaining pricing models in Radar Live...  more ->

27/01/2026 12:08:11ASAP2 months+
http://www.toptechjobs.com/fVvgm
London, Hybrid, UK
Negotiable
Contract
Scope AT Limited
JSJAVA ALGO

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX Our Investment Banking client is looking for an Algo trading Java developer to join the team to work on new initiatives and support for business critical algorithmic trading engines. The team provides innovative solutions for low touch, low latency trading, which includes FIX connectivity, low latency market connectivity, smart order routing, algorithmic trading and internal crossing. The requirement is for a core Java developer. The team is working on a number of algorithmic engines that support...  more ->

26/01/2026 10:51:16ASAP12 months initial
http://www.toptechjobs.com/e6Roq
London, UK
875.00 Daily - 900.00 Daily Umbrella GBP
Contract
Hays
JS3062939155

I am currently working with a London-based financial services client who are actively seeking a senior Python developer to work on the development of a business critical application within the risk space. What you'll need to succeed : Extensive Python application development experience within financial services - must have click apply for full job details more ->

26/01/2026 03:14:37
http://www.toptechjobs.com/fVNCA
London, UK
500.00 Daily - 600.00 Daily Outside IR35 GBP
Contract
Hays
JS3059833600

I am currently working with a London-based investment bank who are actively seeking a Senior fullstack Java Developer to work on the development of a business-critical application within the FX space. What you'll need to succeed: Extensive fullstack Java and React experience within financial services - Mandatory click apply for full job details more ->

24/01/2026 22:55:59
http://www.toptechjobs.com/fUwO5
1  2  3  4
Ruby on Rails Develope...
Med Tech
£350 - £425 per day
Remote