9,130+ Backend Java Developer Python Jobs in London, UK — Local Employers Hiring July 2026

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Senior Associate Marketing Science

Job Description:Key Responsibilities Supporting the delivery of the full range of our products and services that help our clients to improve their marketing effectiveness through the usage of MMM, Attribution, incrementality testing and bespoke media analytics.Key part of ...

Data Science Manager

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility℠. ...

Applied AI ML Senior Associate Machine Learning Engineer

Join a high performing team of applied AI experts to drive innovation and new capabilities in the Commercial & Investment Bank.As an Applied AI / ML Senior Associate Machine Learning Engineer in the Applied AI ML team at JPMorgan Commercial & Investment Bank, you will be at the forefront of combining c ...

Ultrahigh Field MR Physicist

# About YouTo be successful in this role, we are looking for candidates to have the following skills and experience: **Essential criteria** 1. PhD awarded (or near completion) in medical physics, engineering or other relevant subject or equivalent experience2. Sound understanding of MRI physics and image ...

Firmware Engineer

At TechBiz Global, we are providing recruitment service to our TOP clients from our portfolio. We are currently seeking an Firmware Engineer <span style=color: #1 ...

ITAM Engineer

Position Description: We are seeking a highly organised and detail-oriented IT Asset Management (ITAM) Engineer to oversee the full lifecycle management of IT assets across the organisation. This role is responsible for maintaining accurate and auditable asset inventories, ensuring softwa ...

Data Centre Engineer

About the PositionWe are looking for an experienced Data Centre Engineer who can help our team keep Jane Street’s data safe and accessible around the clock, involving a mix of hands-on work in our data and colocation centres, process thinking and project management. Your work will ...

Quantitative Trading & Research – Securities Services and Payments – Associate or Vice President

Quantitative Trading & Research (QTR) is an expert group in specializing in statistical modelling, data analytics, balance sheet optimization and other quantitative methods to support the Commercial and Investment Bank (CIB). The QTR Securities Services and Payments team applies cutting-edge AI/ML techniques ...

Lead Power Quantitative Risk Modeler

What you will doDevelop, validate, maintain quantitative valuation models of Power markets. Develop, validate, maintain and support risk management models for Trading Strategies, Risk Management, Real Options Valuation, and Simulation of Forward Curves.Condu ...

Workday Prism Engineer

Workday Prism EngineerWe are searching for an experienced Workday Prism EngineerPurposeAs a senior and experienced Workday Build, Extend, Prism Engineer you will own the design, governance, delivery of enterprise-grade Workday solutions across the platform.Working with the product develop ...

Forward Deployed Engineer

Founded in 2015, Shield AI is a venture-backed deep-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include the V-BAT and X-BAT aircraft, Hivemind Enterprise, and the Hivemind Vision product lines. With offices and facilities across the , Europe, t ...

Lead Machine Learning Scientist International Consumer Bank

We know that people want great value combined with an excellent experience from a bank they can trust, so we launched our digital bank, Chase UK, to revolutionise mobile banking with seamless journeys that our customers love. We're already trusted by millions in the US and we're quickly catching up in the UK ...

Quality Engineer AI (Contract)

Quality Engineer - AI Platform EngineeringEmployment Type: Inside IR35 ContractDuration: 6 MonthsRate: £ - £/ DayLocation: Central London, Hybrid (3 Days Onsite per Week)Opportunity OverviewA global organisation is building a ...

Data Analyst

Data Analyst - Banbury: Up to £60,000pa DOE plus Performance Bonus & Benefits.Bibby Financial Services are growing, and we’re looking for a Data Analyst to join our Data Team in Banbury. As a Data Analyst you will play a pivotal role in shaping the data strategy and analytical capabilities of the o ...

Forward Deployed AI Engineer: IFS Loops

Job DescriptionAbout the RoleAs a Forward Deployed AI Engineer, you’ll work directly with enterprise customers to deliver custom, production-ready AI solutions that solve real-world problems. You’ll lead the design and deployment of intelligent agents across customer workflow ...

Research Engineer (FICCO)

Research Engineer (FICCO)Job LocationLondonEmployment typeRegularDepartmentTechnologyTargeted Start DateImmediateDRW is a diversified trading firm with over 3 decades of experience bringing sophisticated technology and exceptional people together to operate in markets around the wo ...

Data Modeler

We are seeking an experienced Data Architect / Data Modelling Consultant with a strong banking and investment management background to lead the design of target-state reporting and analytics data models within a modern cloud-based data platform. This role is 4 day onsite in London with 1 day remote. The role ...

Financial Risk Manager

This is a newly created role to support the Risk team in delivering the Futures & Options (ETD's) project, assist in setting the reporting and continued ongoing monitoring. The role will cover both financial and liquidity risk management.*** Please note that we operate onsite working and would require ...

Quant Modelling Associate/Vice President

We are looking for a new member to join our cross-asset team in the Model Risk Governance and Review group which is responsible for end-to-end model risk management across the firm for electronic trading models. As a Quant Modeling Associate/Vice President in our Model Risk Governance and Review team, yo ...

Full Stack Engineer (React /.Net)

About the roleAs the Signal Ocean Platform continues to grow, we’re expanding our engineering team. We're looking for a Senior Full Stack Engineer with experience in React, someone who is curious, proactive, and passionate about building high-quality digital solutions. Signal’s Software E ...

Business Intelligence Engineer, Strategic Account Services

DescriptionWhat is the Amazon Marketplace? Amazon is the largest marketplace on earth. Millions of customers shop in Amazon’s marketplaces globally. Every day, customers browse, purchase, and review products sold by third-party (3P) sellers right alongside products sold by Amazon. Since 2000, Amazon ...

Founding Engineer

United Kingdom - London Posted: 08/05/2026 Salary: £120K per Year ID: 37363_BH Apply OR Founding Engineer (Full Stack)Location: London / HybridSalary: £80,000-£120,000 + EquityWe're partnering with a ...

Senior Financial Analyst, Global Trade Compliance

The right financial and business decisions have made Amazon what it is today. As a Trade Compliance Senior Finance Analyst, you will drive compliance business decisions in Amazon's global imports business to enable imports topline and improve operating margins. You will closely work with Amazon's imports teams a ...

Applied Scientist Forecasting

Job DescriptionWe're looking for an Applied Scientist to join our AI Demand Forecasting team. Our mission is to build forecasting capabilities that support critical business decisions across the company.While our foundations are in replenishment forecasting, we're evolving into a forecasting ...

Senior Principal Statistical Programmer

Job Description SummaryStep into a pivotal role where your expertise shapes the future of clinical development. As a Senior Principal Statistical Programmer, you will lead complex programming strategies across high-impact studies and programs, partnering with cross-functional teams to deliver high-qua ...

Applied Scientist Forecasting

Job DescriptionWe're looking for an Applied Scientist to join our AI Demand Forecasting team. Our mission is to build forecasting capabilities that support critical business decisions across the company.While our foundations are in replenishment forecasting, we're evolving into a f ...

Data Science Manager

With a company culture rooted in collaboration, expertise and innovation, we aim to promote progress and inspire our clients, employees, investors and communities to achieve their greatest potential. Our work is the catalyst that helps others achieve their goals. In short, We Enable Possibility℠. ...

Senior Associate Marketing Science

Job Description:Key Responsibilities Supporting the delivery of the full range of our products and services that help our clients to improve their marketing effectiveness through the usage of MMM, Attribution, incrementality testing and bespoke media analytics.Key part of ...

Macro Rates Investment Analyst / Assistant Portfolio Manager

Strategic Bond Fund | Leading Asset Manager | LondonOctavius Finance, a specialist search firm focused on quantitative investing, portfolio management and macro investing, is currently working on behalf of a leading UK asset manager to appoint a Macro Rates Investment Analyst / Assista ...

LIVE Infra & Governance Project Intern (EU TikTok Shop LIVE) 2026 Start (BS/MS)

As a project intern, you will have the opportunity to engage in impactful short-term projects that provide you with a glimpse of professional real-world experience. You will gain practical skills through on-the-job learning in a fast-paced work environment and develop a deeper understanding of your career intere ...

BI Engineer

We are seeking a highly technical Business Intelligence Engineer to join our growing BI team. Sitting at the crucial intersection of Data Engineering and Business Intelligence, you will be the technical cornerstone of our BI function. You will architect robust data solutions, automate data ingestion, quality and ...

Electronics Engineer – Life Sciences Instrumentation

About Portal BiotechPortal Biotech is developing next-generation bench-top instruments for proteomics, building on decades of in-house expertise in nanopore technology. By analysing full-length protein molecules at the single-molecule level, our platform delivers rapid, real-time information on protei ...

Junior Trade Support Engineer

Founded in 2018, Fasanara Digital is the crypto arm of Fasanara Capital FCA-authorised investment firm managing USD 5 billion. Fasanara Digital is exclusively focused on digital assets and is one of the largest, longest running and best performing market neutral funds in the space. We pursue a rigorous, techn ...

Data Scientist (Portfolio Analytics)

Lloyd’s is the world’s leading insurance andreinsurance marketplace. We share the collective intelligence and risk sharing expertise of the market’s brightest minds, working together for a braver world.Our role is to inspire courage, so tomorrow’s progress isn’t limited by today’s risks. Our sha ...

Global Research Index Research Group Associate

Are you ready to make an impact in the world of index research? As part of our Global Index Research Group, you will help shape the future of fixed income indices, working alongside talented colleagues across the globe. You will have the opportunity to grow your expertise, engage directly with clients, and co ...

Smart Automation Consultant Power Platform

Company DescriptionTalan is a global consulting group specialising in innovation and transformation through technology. For over 20 years, we have partnered with companies and public organisations to drive meaningful change.We are purpose driven, working across diverse sectors to t ...

Senior Product Analyst

Job DescriptionJoin our Product Analytics function and play a key role in shaping the next wave of customer-facing experiences at ASOS. As a Senior Product Analyst, you’ll go beyond analysis — leading how data informs product strategy, influencing senior stakeholders, and driving measurab ...

Solutions Engineer II

“I can be myself at work.”You are more than a job title. We want you to feel comfortable doing great work and bringing your best, authentic self to everything you do. We value your talents, traditions, and uniqueness—and we’re committed to fostering a strong sense of belonging in a respectful wo ...

Support Analyst Desktop

Position Overview:Squarepoint is looking for a Desktop Support Analyst to support a global community of approximately 500 + users in a Windows environment. Candidate will interact onsite and remotely with users to provide support with workstation applications such as Microsoft Exchange/Outlook, ...

Principal Product Data Scientist

Principal Product Data ScientistContract Length: 12 MonthsLocation: Hybrid - 3 days a week at Heathrow AirportIR35 Status: InsideAbout the RoleWe are looking for a Principal Product Data Scientist to drive the next ...

Manager – IFRS9 Modelling – Mortgages

Manager – IFRS9 Modelling – Mortgages Specialisms: Risk Jobs | Quant Jobs London to £70k + benefits Job type: Permanent Sector: Banking Job reference: SN43648 Apply for this job My client is one of the largest banks in the UK, renowne ...

Senior AI & Data Science Consultant

This organisation is a global consulting and digital transformation leader, combining strategy, design, data science and Generative AI to deliver meaningful outcomes. They partner with customer-centric organisations across sectors such as retail, consumer goods, telecoms, utilities and energy. You will join a ...

Senior Data Scientist

Palta is a multi-product tech platform developing several mobile apps focused on health and well-being with a combined audience of more than 60 million monthly active users. Our portfolio includes such successful companies as Flo (global leader in female health), Simple (a nutrition and wellness app with ove ...

Site Reliability Engineer (SRE)

Job Description This role offers a hybrid work offering to be present in our London office twice a week. Reward Gateway|Edenred is a leading digital platform for services and payments for people at work, connecting 52 million users and 2 million partner merchants in ...

Network Operations Engineer

My client is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. A technology and data driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shaped the collaborative mindset, en ...

Senior ML Engineer

It's fun to work in a company where people truly BELIEVE in what they are doing!Senior ML Engineer12 Month FTCWest London - Hybrid - Onsite 2 days per weekFractal is a strategic AI partner to Fortune 500 companies with a vision to power every human decision in ...

Analytics Engineer

Location: London, Hybrid [1-2 days per week on site] Our Team: How we enrich everyday life You’ll be joining our Data & Decision Sciences (DDS) team at Bauer Media Audio, where we use data to power decisions across nine European markets. We’re a collaborative, cross-functional te ...

Senior Data Platform Engineer

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It’s transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovatio ...

Junior Mid Options Trader (US Hours)

About G-20 The G-20 Group is a pioneer in Quantitative Trading systems in cross-asset markets. Headquartered in Switzerland, we operate at the intersection of Quantitative Research, Software Engineering and Trading. The team combines a startup mindset with extensive experie ...

Senior Assistant Data Analyst

Responsibilities A central resource to support the Company’s primary functions of underwriting, claims, finance, actuarial and . Providing the business with data expertise and reporting to empower and guide business decisions. Maintain oversight of data governance and to establish and o ...

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