Senior Backend Engineer - Scalable Systems (Remote)

Company IconEpistemix
Location IconLondon

A dynamic software development firm seeks a Senior Back End Software Engineer to design and maintain high-quality software solutions. Candidates should have over 7 years of experience, particularly with Python and FastAPI, alongside strong skills in...Read More>>.

Posted: April 11th, 2026
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Java FinTech Microservices Engineer — Global Relocation Included

Company IconDev
Location IconLondon

A global e-commerce company is seeking a Software Developer to contribute to high-scale products and see the real-world impact of their work. The role involves creating scalable systems, advocating best practices, and working within a performance-dri...Read More>>.

Posted: April 11th, 2026
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Quantitative Developer

Company IconWorldQuant LLC
Location IconLondon

WorldQuant develops and deploys systematic financial strategies across a broad range of asset classes and global markets. We seek to produce high-quality predictive signals (alphas) through our proprietary research platform to employ financial...Read More>>.

Posted: April 17th, 2026
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Quantitative Developer

Company IconRadley James
Location IconLondon

A leading oil and gas trading business is seeking an ambitious Front Office Trading Analyst to join its team. In this role, you will work closely with Traders, Market Analysts, and IT, building and enhancing the data and analytical infrastructu...Read More>>.

Posted: April 17th, 2026
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Python Developer

Company IconPeaple Talent
Location IconLondon

Backend Developer | London (3 days in the office) | Perm | Up to £65,000 p.a Peaple Talent have partnered with an outstanding client in London looking to recruit 2 Backend Developers to work within in‑house business systems developm...Read More>>.

Posted: April 17th, 2026
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C# Developer

Company IconTalan Group
Location IconLondon

Talan is looking for a talented and driven C# Developer to join a high-performing team in London. This is a hybrid role, with 3 days per week on-site, offering the opportunity to work on cutting-edge financial systems within a global markets en...Read More>>.

Posted: April 17th, 2026
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Risk Software Developer

Company IconMarex Group
Location IconLondon

Overview London, GB Full-Time Information Technology About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure ser...Read More>>.

Posted: April 17th, 2026
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Android Developer

Company IconSport BUFF
Location IconLondon

Overview Join to apply for the Android Developer role at Sport BUFF. Work location Fully remote (-/+3 hours GMT). Optionally on-site at our offices in London. Seniority level Mid-Level...Read More>>.

Posted: April 17th, 2026
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PHP Developer Inter

Company IconFreelancerprox
Location IconLondon

We are seeking a proactive and enthusiastic PHP Developer Intern to join our development team. This role is ideal for someone looking to gain real-world experience in backend and web application development using PHP. You will be working...Read More>>.

Posted: April 17th, 2026
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Senior Software Developer

Company IconCarina Software
Location IconLondon

About us Ikon Science is a global provider of geopredictive and knowledge management software and solutions to optimize subsurface discovery and production. For over 20 years, Ikon’s dedicated service-minded teams have applied deep s...Read More>>.

Posted: April 17th, 2026
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Java Software Engineer – Greenfield Trading Platform (London)

Company IconVenture Up
Location IconLondon

A dynamic sports betting startup in London is seeking Java Software Developers to join their innovative team. The role involves working with quantitative researchers and talented engineers to build data integrations and support systematic trading mod...Read More>>.

Posted: April 17th, 2026
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iOS Developer

Company IconExpedia Group
Location IconLondon

The Product Team creates high-quality end-to-end experiences for travelers, partners, and Expedia Group. Our focus on customer-centric innovation enables us to develop products that build loyalty and repeat business. We partner closely with tea...Read More>>.

Posted: April 17th, 2026
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Python Developer

Company IconVenture Up
Location IconLondon

Python Engineer – Sports betting Hedge Fund – London Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship Job Summary Python Engineer required for a successful startup deli...Read More>>.

Posted: April 17th, 2026
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Senior Developer

Company IconExperis - ManpowerGroup
Location IconLondon

Senior Developer6 monthsRemoteInside IR35 - Umbrella onlyActive SC security cleared or eligible candidates will be considered Experience Experienced in TDD and working...Read More>>.

Posted: April 17th, 2026
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C++ Developer

Company IconLa Fosse
Location IconLondon

This is an office based role requiring 5 days per week in their new London office. La Fosse are partnering with a market leader within the energy & trading sector, with a strong presence across oil & gas, renewables, power and carbon....Read More>>.

Posted: April 20th, 2026
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Python Developer

Company IconTalan Group
Location IconLondon

As part of its ambition to become a Top 3 contributor in the European ETF market, our client is continuously improving its ETF Market Making platform to better serve its clients. To this end, there is a investment on its London AMM ETF platform...Read More>>.

Posted: April 27th, 2026
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Senior Software Engineer

Company IconLondon Stock Exchange Group
Location IconLondon

**Job Description Summary** This role of Senior Software Engineer is within the LSEG RISK Intelligence Technology group. The group is responsible for the development of the technology platforms supporting key products including Connected Risk, World...Read More>>.

Posted: May 1st, 2026
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Senior Platform Engineer

Company IconLondon Stock Exchange Group
Location IconLondon

Job Description (Job advert content)LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the serv...Read More>>.

Posted: May 2nd, 2026
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Quantitative Developer

Company IconG-Research
Location IconLondon

Join to apply for the Quantitative Developer role at G-ResearchJoin to apply for the Quantitative Developer role at G-ResearchDirect message the job poster from G-Re...Read More>>.

Posted: May 7th, 2026
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Java Developer

Company IconGrid Dynamics
Location IconLondon

Join to apply for the Java Developer role at Grid Dynamics.We are seeking specialist Java engineers with experience working on high performance/low latency systems. We19re working with banks and other major financial inst...Read More>>.

Posted: May 7th, 2026
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C++ Developer

Company IconConsortia Group
Location IconLondon

C++ Developer – Smart Order RoutingReady to build the fastest paths to market? If you're a performance-obsessed C++ engineer with deep experience in low latency trading systems and smart order routing, this is the ch...Read More>>.

Posted: May 7th, 2026
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Java Developer

Company IconPharmacy2U Ltd
Location IconLondon

Overview Role: Java Developer Location: We operate a hybrid schedule, meaning twice monthly in the office based in central London Salary: £ DOE plus extensive benefits Contract type: Pe...Read More>>.

Posted: May 7th, 2026
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Java Software Developer

Company IconDXC Technology
Location IconLondon

OverviewJava Platform DeveloperLocation: On site in Gloucester or Central London 5 days a week.Due to security vetting requirements candidates must be UK nationals or sole British citizens with no dual na...Read More>>.

Posted: May 7th, 2026
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Python Developer

Company IconMcGregor Recruitment
Location IconLondon

Python, Django, Javascript, Cloud, Pandas, NumPyA leading London Investment Manager is currently seeking a Python Web Developer (mid level) for a new initiative:The team is currently building a new, bespoke applicati...Read More>>.

Posted: May 8th, 2026
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Python Developer

Company IconRadley James
Location IconLondon

We are one of the world’s leading commodities trading houses, leveraging sophisticated technology to trade a broad range of energy, metals, and agricultural commodities globally. Our success is driven by cutting-edge analytics, high-frequency da...Read More>>.

Posted: May 9th, 2026
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Python Software Developer - Backend

Company IconXelix
Location IconLondon

About us At Xelix, we work with some of the world’s largest companies to automate and strengthen their financial controls. Our AI solutions redefine how Accounts Payable teams operate – moving from manual processes to automated, in...Read More>>.

Posted: May 10th, 2026
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Salesforce Developer

Company IconAnson McCade
Location IconLondon

We’re looking for a Salesforce OMS Developer to support a large-scale ecommerce transformation programme. You’ll be responsible for building and enhancing Salesforce Order Management capabilities, covering order lifecycle, ful...Read More>>.

Posted: May 12th, 2026
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Algo Developer

Company IconHarrington Starr
Location IconLondon

Algo Developer London – Hybrid Java, Low Latency, SOR, EMS/OMS, Linux, AWS The company This is an unmissable opportunity for an experienced Algo Developer to join one of the leading institutional digital asset...Read More>>.

Posted: May 13th, 2026
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Quantitative Developer

Company IconRJC Group
Location IconLondon

We are working with a leading commodity trader based in London who are looking for a Quantitative Developer to to join their Risk Systems Team.As you will be responsible for developing key components of the new Risk & PnL engine, they requi...Read More>>.

Posted: May 15th, 2026
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Dynamics 365 Developer

Company IconScrumconnect Limited
Location IconLondon

London, United Kingdom | Posted on 11/05/2026 Role Overview We are seeking an experienced Dynamics 365 Developer to join a high-performing team delivering Microsoft D365 CRM solutions. This role involves designing and imp...Read More>>.

Posted: May 15th, 2026
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Senior Alveo Developer

Company IconEPAM Systems
Location IconLondon

Senior Alveo Developer Lead the design, development and optimization of our market data unification processes across multiple asset classes. This role offers the opportunity to work on cutting‑edge data management solutions, cloud mi...Read More>>.

Posted: May 15th, 2026
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Java Developer - Multithreading

Company IconCrisil
Location IconLondon

We are looking for a Java Developer with experience in capital markets and risk systems, working on backend services, APIs and data processing components supporting trading, risk calculations and reporting. Key Responsibilities...Read More>>.

Posted: May 15th, 2026
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Python Developer

Company IconHexaware Technologies
Location IconLondon

Contract Type: 6 months contract inside IR 35 Work Mode: 3 days from office, 2 days from home We are looking for a Python Developer with strong experience in trading and risk management systems within investment banking. The role...Read More>>.

Posted: May 15th, 2026
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Golang Developer

Company IconS-RM
Location IconLondon

WHO ARE WE S-RM is recruiting a Golang Developer to play a key role in the development and maintenance of products for our Corporate Intelligence team. S-RM is a global intelligence and cyber security consultancy. Since 2005, we...Read More>>.

Posted: May 17th, 2026
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Senior Developer

Company IconZempler Bank
Location IconLondon

The Role At Zempler Bank, we’re building technology that genuinely helps people and small businesses succeed. We’re now looking for a Senior Developer to join our growing engineering team someone who enjoys writing quality code, so...Read More>>.

Posted: May 17th, 2026
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Python Developer

Company IconMcGregor Boyall
Location IconLondon

A leading commodities trading business is looking to hire a Junior Python Developer to join its front-office technology and analytics function in London. This role sits within a highly technical team supporting trading, risk, and quantit...Read More>>.

Posted: May 17th, 2026
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VBA Developer

Company IconFractal-Analytics
Location IconLondon

It's fun to work in a company where people truly BELIEVE in what they are doing!We're committed to bringing passion and customer focus to the business.VBA Developer2 month contract£320 per day inside IR35Location: UK - London (onsite 2/3 days per we...Read More>>.

Posted: May 17th, 2026
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Quantitative Developer

Company IconOCR Alpha
Location IconLondon

With over two decades at the forefront of systematic trading, a world‑class technology stack, and a proven track record of success, this leading quantitative trading firm is seeking an exceptional Python Developer to join their London‑based...Read More>>.

Posted: May 17th, 2026
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Sharepoint Developer

Company IconEutopia Solutions
Location IconLondon

I’m currently working with a leading global law firm looking to hire an Applications Developer into their London team.This is a strong fit for someone with deep Microsoft stack experience, particularly around SharePoint development and...Read More>>.

Posted: May 17th, 2026
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Senior Software Developer

Company IconBarchester Healthcare
Location IconLondon

About The Role Reporting to the Software Development Team Lead, the role will focus on developing and maintaining bespoke software solutions using .NET (C#.NET and VB.NET), SQL Server, and supporting technologies. You will work closely...Read More>>.

Posted: May 17th, 2026
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Dotnet Developer

Company IconLanceSoft UK
Location IconLondon

Job Title: Senior C# / .NET Developer – Financial Services (Risk / Securities Lending) Location: London (Hybrid) Duration: 6 Months contract Rates: 61.48 GBP/Hr on PAYE Role Overview...Read More>>.

Posted: May 17th, 2026
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Dynamics 365 Developer

Company IconScrumconnect Consulting
Location IconLondon

About Scrumconnect Consulting: Scrumconnect Consulting is a multi‑award‑winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the li...Read More>>.

Posted: May 17th, 2026
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Scala Developer

Company IconSignify Technology
Location IconLondon

Role and responsibilities You will join the engineering team to build and scale a distributed AI‑driven platform. The role focuses on backend and platform development, including integrations between third‑party customer support too...Read More>>.

Posted: May 17th, 2026
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Senior Software Engineer - FinTech Trading Systems (London)

Company IconSoCode Limited
Location IconLondon

SoCode Limited is seeking a Contract Senior Software Engineer (Java or Python) in London for a 6-month role with potential extension. You will develop and support P&L, accounting, and returns-calculation applications while collaborating with financia...Read More>>.

Posted: May 21st, 2026
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Junior Java Full-Stack Engineer — Hybrid/Remote

Company IconCognizant
Location IconLondon

Cognizant is looking for a highly motivated Full Stack Java Developer in Greater London. This role involves working on enterprise-grade applications, utilizing Java, Spring Boot, REST APIs, and building responsive UIs with Angular/React.The...Read More>>.

Posted: May 25th, 2026
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Security Systems Engineer – CCTV & Access Control, London

Company IconBrookvex IMS
Location IconLondon

Brookvex IMS is seeking an experienced Security Engineer to install, service, and maintain a wide range of security systems across London. The ideal candidate will have strong knowledge of security systems, including CCTV and access control....Read More>>.

Posted: May 29th, 2026
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Platform Engineer | Global Trading Firm | London, Hybrid

Company IconSGI
Location IconLondon

We’re working with a high-performing, tech-driven trading firm operating at scale in global markets. They are looking for a Platform Engineer to join a cutting-edge infrastructure team supporting real-time, distributed systems....Read More>>.

Posted: May 30th, 2026
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Security Systems Engineer – CCTV & Alarms (SW London)

Company IconGet Staff
Location IconLondon

Get Staff is seeking a Security Systems Engineer in South West London with a basic salary between £28,000 and £43,000 per annum. The role involves installing and maintaining security systems, fault diagnosis, and ensuring compliance with regulation...Read More>>.

Posted: May 31st, 2026
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Lead Platform Engineer

Company IconLondon Stock Exchange Group
Location IconLondon

Role SummaryThis Platform Engineer role is a fantastic opportunity to develop your career across a variety of leading or new technologies within the container platform, integration or network connectivity group reporting into a strateg...Read More>>.

Posted: May 31st, 2026
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Senior Mechanical Engineer

Company IconVVB Engineering
Location IconLondon

Overview Providing Mechanical engineering support to projects through design to completion. This will involve all stages from tendering, design, installation, testing and commissioning. Management of Mechanical installations throughout...Read More>>.

Posted: June 3rd, 2026
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