151 to 175 of 551 Java Jobs in London

Senior Backend Engineer, Fraud & Risk Engine

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
focus on speed, scalability, and reliability. Strong product-oriented mindset, with end-to-end ownership of features and close collaboration across teams. Proficiency in Java (preferred) or solid experience with similar backend programming languages. Familiarity with messaging systems such as Kafka or RabbitMQ, and strong knowledge of relational databases ...

Data Architect

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
mentoring, and developing other engineers and architects What were looking for: Strong experience as a Data Architect within complex environments Background in software engineering (Java, Scala, or Python preferred) Experience with Big Data technologies and distributed data platforms Strong knowledge of Microsoft Azure and cloud-based data solutions Experience designing ...

Lead Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Production Support teams to align delivery priorities, manage dependencies, and ensure adherence to governance and compliance standards. Skills & Experience Technical Capabilities Strong in C#, Java, and .NET technologies Proficiency in scripting and automation using PowerShell, Python, Groovy, or Shell scripting. Hands‐on experience with CI/CD and source control ...

Senior Backend Engineer - Fraud Risk & Scalable Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
focus on speed, scalability, and reliability. Strong product‐oriented mindset, with end‐to‐end ownership of features and close collaboration across teams. Proficiency in Java (preferred) or solid experience with similar backend programming languages. Familiarity with messaging systems such as Kafka or RabbitMQ, and strong knowledge of relational databases ...

Senior Software Engineer

Hiring Organisation
Plan:it
Location
City of London, London, United Kingdom
Push back on requirements, think about the customer, and understand the bigger picture Contribute to architecture decisions as the team and platform scale Stack: Java, GoLang, Python - React, TypeScript, Next.js - Terraform, GCP, GitHub Actions. AI? YES - They're shipping LLM-powered products 👉 Exact tech match less important than strong backend ...

Manager, Sales Engineering Solutions engineering London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
/frameworks (REST/JSON APIs, Postman). Experience with at least one common front‐end (pure JavaScript, React, Angular, etc.) and back‐end (Java, .NET, Python, Node, etc.) technology. Previous exposure to RFI/RFP. Understanding of end‐to‐end payment flow. Payments industry exposure with an understanding ...

Quantitative Trading & Research – Markets Treasury – Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
advise senior partners and stakeholders on complex and technical topics with precision and clarity Preferred Qualifications, Capabilities, and Skills Experience writing high-quality Java code in a professional or production setting Strong understanding of a bank's balance sheet, treasury operations, and/or demonstrated experience with financial optimization problems ...

Head of Technology (Technical)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modernization to the cloud, implementing cloud services (GCP, Azure, AWS) and platforms supporting Products. Expertise working in both PAAS and SAAS environments. Background in Java Development and Architecture. Responsibilities Cultivate an understanding of our products, along with their respective strengths and weaknesses, and provide solutions to existing and future challenges. ...

Engineering AI Software Engineer - Vice President - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
degree in computer science, engineering, or a related field. Minimum 6 years of relevant industry experience. Proficiency in programming languages such as Python, Java, or GoLang. Experience with AI and machine learning technologies, particularly in the context of coding assistants. Strong problem-solving skills and the ability to think critically ...

Senior Software Engineer, Banking Connectivity London, UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
high‐impact role. What You'll Bring Experience building and supporting reliable backend systems with external integrations (APIs, webhooks, polling, file‐based flows) Strong Java experience, including concurrency, handling failure and edge cases (idempotency, deduplication, delivery guarantees) Solid ability to reason about distributed/async flows and backend stacks ...

Software Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experienced software engineer, and someone who remains comfortable with technology, architectural decisions and technical trade‐offs. Previous experience in our backend tech stack – Java, Spring, AWS – and who is a strong advocate of tight feedback loops through mechanisms including, but not limited to, automated tests, CI/CD pipelines ...

Graduate Technology Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
degree, equivalent experience, or ability to demonstrate an aptitude for technology if your degree is not technical Some experience in software development, using Python, Java or .NET (or related technologies) Excellent communication skills, both written and spoken word with an ability to successfully engage with team members and clients Problem ...

Solution Architect (Contract)

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
documentation and diagramming techniques (e.g. BPMN, Archimate, UML, wireframing, etc.) Formal data modelling and design techniques, for relational and NoSQL database technologies Experience in Java software development, or similar modern enterprise language Experience working in a container-based and/or serverless environment, hosted on public cloud ...

Graduate Technology Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
degree, equivalent experience, or ability to demonstrate an aptitude for technology if your degree is not technical Some experience in software development, using Python, Java or .NET (or related technologies) Excellent communication skills, both written and spoken word with an ability to successfully engage with team members and clients Problem ...

Senior Software Engineer - Ticker Plant, Event Processing London, GBR Posted today

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
visible across the global financial services industry You’ll need to have: Experience working with an object‐oriented programming language (C/C++, Python, Java, etc.) A Degree in Computer Science, Engineering, Mathematics, similar field of study or equivalent work experience An understanding of Computer Science fundamentals such as data ...

Lead Data Scientist

Hiring Organisation
SBS
Location
Greater London, England, United Kingdom
Generative and Agentic AI Proficiency in AI/ML model development, including feature selection, XAI techniques, and consensus modelling Strong programming skills (e.g., Python, Java, or similar) and experience with open-source AI libraries Ability to integrate AI models into commercial software architectures and ensure compliance with GDPR and security ...

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
City of London, London, United Kingdom
pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment scams have become increasingly common. To protect yourself, please keep the following in mind when ...

React Native Developer (Wallet team) (100% remote Worldwide)

Hiring Organisation
Tether.io
Location
East London, London, United Kingdom
pipelines and tools . Experienced with Native modules (C++) , WebSockets, RESTful based APIs . Experience in Swift/Objective-C (iOS) or Kotlin/Java (Android) for low level implementation. Important information for candidates Recruitment scams have become increasingly common. To protect yourself, please keep the following in mind when ...

Engineer - Site Reliability Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
computer science, a related technical field involving software/systems engineering, or equivalent practical experience.* Experience with Object Oriented programming languages such as: Java, C#, Python, or Go.* Experience with Unix/Linux and Windows operating systems.* Hands on Experience with one of the following cloud platforms: Azure ...

Solutions Architect (Client-Facing)

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
exposure to authentication and security concepts such as OAuth2, JWT, SSO, LDAP, or API security Experience with scripting or development languages such as Java or Python Experience working in Solutions Engineering, Platform Engineering, Professional Services, Technical Consulting, DevOps, Support Engineering, or implementation-focused TAM environments Experience working in startup ...

Senior Software Engineer II London, England, United Kingdom London, England, United Kingdom

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
processing, codecs, streaming, or format analysis Desirable: Experience with Azure cloud services, and a range of modern languages including TypeScript/React, .NET, Python, Java or C/C++ Benefits That Benefit You Competitive base salary and RSUs Comprehensive pension plan with matching contribution Private health insurance & cash plans ...

Full Stack Developer - Active SC, NPPV3, Java

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Full Stack Developer - Active SC, NPPV3, Java Up to £425 per day - Inside IR35 Remote 12 months My client is an instantly recognisable consultancy who require a Full Stack Developer with Active SC and NPPV3 clearance for a client within the public sector. Key Requirements: Proven commercial experience working … Full Stack Developer within the Public Sector. Active SC and NPPV3 Clearance. Senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid-level experience acceptable in the other Proven experience delivering high-quality, cross-functional solutions using microservices and micro-frontend ...

Senior Java Developer - Capital Markets

Hiring Organisation
Reed
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £125,000 per annum, Inc benefits
Senior Java Developer Annual Salary: Competitive with performance-related bonus Location: City of London (Hybrid - 3 days a week onsite) Job Type: Full-Time, Permanent A new exciting opportunity has become available for an experienced Senior Java Developer to join a growing Technology department working specifically within Capital Markets … improvement of engineering standards. Collaborate with Client Services and Product Management to understand requirements and propose solutions. Manage and mentor a small team of Java developers, promoting a culture of quality, ownership, and continuous improvement. Required Skills & Qualifications: 7+ years' Java development experience in Financial Services. Strong understanding of capital ...

FX eTrading Java Architect — Senior Tech Leader (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
An international bank is seeking a hands-on technical specialist for FX trading systems in London. The role involves designing and developing system architecture, enhancing deliverable quality, and collaborating with quant and trading teams. Candidates ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
seeking someone to join our FID eTrading team in FICFX as a Senior Software Engineer — a highly experienced hands‐on Java developer and technical architect with deep expertise in real‐time third‐party payments, high‐throughput zero‐downtime systems, and highly available, global‐scale internet‐facing APIs. This role … communities across more than 40 countries. What you’ll do in the role: Act as a senior individual contributor who combines hands‐on Java development with architectural leadership, remaining close to implementation and setting the technical standard through design, code‐level guidance, and practical problem solving. Design, build, and evolve ...