151 to 175 of 290 Java Jobs in London

Senior Core Java Engineer - Low-Latency Trading

Hiring Organisation
Understanding Recruitment
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£110,000 - £125,000 per annum
Senior Core Java Engineer - Low-Latency Trading Salary: Up to £125,000 + bonus + benefits Location: City of London (3 days onsite) Build ultra-low latency systems at the heart of global FX trading! This is an opportunity for a Senior Core Java Engineer to join a leading Asian … fast-paced financial environment, this is the role for you. What you'll be doing Design, build and optimise low-latency, high-throughput Core Java trading systems Own and drive performance improvements across critical components Contribute to the architecture and evolution of a world-class FX trading platform processing billions ...

Graduate Software Engineer - Top 4 UK University Graduates

Hiring Organisation
REVYBE IT RECRUITMENT LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
pacedscaleupenvironment,workingalongsideexperiencedengineerstobuildandscaleinnovativeproductsusedbycustomersglobally. Whatyoullbedoing BuildingandshippingfeaturesforamodernSaaSplatform Collaboratingwithexperiencedengineers,productmanagers,anddesigners Writingclean,scalable,andwell-testedcode Contributingtoarchitectureandtechnicaldiscussions Learningmodernengineeringpracticesinahigh-performingteam Whatwerelookingfor RecentgraduatefromaTop4UKuniversity (e.g.UniversityofOxford,UniversityofCambridge,ImperialCollegeLondon,orUniversityCollegeLondon) DegreeinComputerScienceoracloselyrelatedtechnicaldiscipline Strongunderstandingofsoftwareengineeringfundamentals Passionforbuildingtechnologyandsolvingcomplexproblems ExperiencewithprogramminglanguagessuchasPython,Java,Go,orJavaScriptisaplus Strongproblem-solvingandcommunicationskills Whatsonoffer Salaryupto £70,000 Hybridworking( 3daysperweekintheLondonoffice ) Hugelearningandgrowthopportunities ChancetomakearealimpactinascalingSaaScompany Ifyou'rea topgraduatelookingtolaunchyourengineeringcareerinahigh-growthscaleup ,wedlovetohearfromyou. Software,Python,Graduate,Developer,Development ...

Quality Analyst - Mobile

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
strong Business Knowledge. Strong and clear Communication Skills. Experienced working within Banking/Ecommerce. Knowledge and Experience of: Test Case Management Jira/Zephyr Java/Appium IND_PC3 Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

Senior Engineer

Hiring Organisation
Lancesoft Ltd
Location
London, United Kingdom
Employment Type
Contract
development and education in this area Nice-to-Haves: Experience in pair programming Proficiency in idiomatic Kotlin for application development Experience: Extensive knowledge of Java programming language (5 years+) 5+ years practical experience in test driven development AI Integration: We have an AI special interest group and are adopting ...

Senior Engineer

Hiring Organisation
Lancesoft Ltd
Location
London, UK
Employment Type
Full-time
development and education in this area Nice-to-Haves: Experience in pair programming Proficiency in idiomatic Kotlin for application development Experience: Extensive knowledge of Java programming language (5 years+) 5+ years practical experience in test driven development AI Integration: We have an AI special interest group and are adopting ...

Head of Platform Engineering (AI) - Senior Technology Leader - £250,000

Hiring Organisation
Mondrian Alpha
Location
City of London, London, United Kingdom
scaling of the platform globally. The right engineer should bring experience with Neo4j, production grade LLM/AI capabilities (RAG, embeddings, inference pipelines), Kafka, Java/JVM and API-first architecture. The position offers a rare modernisation opportunity, you'd be transitioning from a third-party engineering team to inhouse ...

Lead Fullstack Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day + Inside IR35
Release preparation Show and tells and demonstrations Tech stack: Typescript on NodeJS AWS Cloudwatch, Lambda, SQS, S3, RDS and DDB Terraform PostgreSQL Scala/Java Jira, Slack, Teams and Figma (Collaboration tooling) Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive ...

Lead Fullstack Developer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 per day
Release preparation Show and tells and demonstrations Tech stack: Typescript on NodeJS AWS Cloudwatch, Lambda, SQS, S3, RDS and DDB Terraform PostgreSQL Scala/Java Jira, Slack, Teams and Figma (Collaboration tooling) Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
work, with the code you ship being in production fast and at scale. 💡 They’re looking for engineers who: Have strong OOP fundamentals ( Python, Java, Go, or Rust ) - core stack is C# , and they’ll support you getting up to speed. Enjoy breaking down complex systems and rebuilding them into ...

Software Tester

Hiring Organisation
EightMoose.com
Location
Harrow, London, United Kingdom
Employment Type
Permanent
Salary
£30,000
testing principles. Familiarity with SQL or Excel for data validation is advantageous. Knowledge of testing tools (e.g., Selenium, JIRA) or programming languages (e.g., Python, Java) is a plus. What We Offer: Structured training and professional development opportunities. A collaborative and supportive team culture. Competitive salary with a comprehensive benefits package. ...

Software Tester

Hiring Organisation
EightMoose.com
Location
Dagenham, Essex, South East, United Kingdom
Employment Type
Permanent
Salary
£30,000
testing principles. Familiarity with SQL or Excel for data validation is advantageous. Knowledge of testing tools (e.g., Selenium, JIRA) or programming languages (e.g., Python, Java) is a plus. What We Offer: Structured training and professional development opportunities. A collaborative and supportive team culture. Competitive salary with a comprehensive benefits package. ...

Blue Prism Developer

Hiring Organisation
Rec3 Global Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
explain tech clearly to non-technical stakeholders. Bonus points: Agile team experience, exposure to other RPA tools, or software engineering background (C#, C++, Java). This is your chance to join a team that moves fast, delivers impact, and embeds automation across a global enterprise . If youre ready ...

AI Semantic Architect

Hiring Organisation
DXC
Location
City of London, London, United Kingdom
Employment Type
Permanent
graph databases (Neo4j, GraphDB, Apache Jena, etc.). Data Modelling & Integration: Strong understanding of data architecture and integration techniques. Programming Skills: Proficiency in Python, Java, or similar for semantic data processes. Analytical Skills: Ability to troubleshoot ontology logic and query performance. Desired Experience Familiarity with metadata standards (Dublin Core, schema.org ...

Backend Engineer

Hiring Organisation
Native
Location
City of London, London, United Kingdom
architecture of the company from early days Required experience Experience with Python in production systems, plus at least one additional backend language (e.g. Rust, Java, Go) Experience building and running production backend systems Comfortable turning ambiguous research or ideas into real software Solid understanding of APIs, databases, and distributed systems ...

Clinical Consultant - (Medical Imaging)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
point protection) and practices Storage Platforms technologies (RAID, SAN, NAS, tape libraries) High availability technologies (i.e. based on Hypervisor, OS, Veritas, Oracle) .NET, C++, java programming language knowledge Qualifications & Experience Bachelor's degree or equivalent; a clinical degree and/or Radiographer License preferred. 5+ years of strong experience using ...

Data Engineer

Hiring Organisation
Native
Location
City of London, London, United Kingdom
days Required experience Strong experience with Python in production data or backend systems, plus familiarity with at least one additional backend language (e.g. Rust, Java, Go) Experience building and running production data systems (pipelines, storage layers, APIs) Deep comfort working with SQL, schemas, and complex relational data Experience with real ...

AI Delivery Lead - Permanent - Hybrid - Insurance

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
such as Scrum or Kanban.Experience in data visualisation and communicating insights from complex datasets to non-technical stakeholders.Proficiency in programming languages such as Python, Java, or C#. To apply for this role please submit your CV or contact Dillon Blackburn on or at . Tenth Revolution Group ...

Mobile Engineer

Hiring Organisation
Expedia Group
Location
City of London, London, United Kingdom
field; or equivalent related professional experience. 2+ years of relevant professional experience building and shipping native Android applications. Proficient in Kotlin (and familiar with Java), with a solid grasp of Android fundamentals and app lifecycle. Comfortable working with REST/GraphQL APIs, client/server patterns, and modern Android tooling ...

Lead AI Engineer

Hiring Organisation
Sopra Steria
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
Machine Learning, including agent-based AI, RAG (Retrieval Augmented Generation), multi-agent systems and conversational agents. Strong programming skills in Python, Java or .NET. Experience with GenAI and LLMs (e.g. ChatGPT, Claude, Llama, OpenAI), including prompt engineering, fine tuning and advanced search. Familiarity with AI agent frameworks (e.g. Autogen ...

Backend Software Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500.0 - £550.0 per day + up to £550pd (inside IR35)
Software Engineer - Active SC, Java, Microservices Up to £550 per day (Inside IR35) London/Remote 6 months My client is an instantly recognisable consultancy who require a strong Software Engineer with Active Security Clearance (SC) and with deep expertise in Java (Spring Boot) to join a large-scale, business … critical microservices programme. Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Active Security Clearance (SC) Strong capability building scalable RESTful APIs and backend services in Java (Spring Boot): Postgres (or other relational SQL databases) with solid understanding of schema design and SQL Docker: Confident ...

Senior Backend Developer

Hiring Organisation
Skilliantech Ltd
Location
London, United Kingdom
Employment Type
Contract
Role: Senior Backend Developer Type:Fixed Term Employment (1year) Location: UK (Remote) Client:Tavant Technologies Mandatory Skills - Java, Spring Boot Experience 8+ years Job Description We are looking for a Senior Backend Developer with strong experience in Java, Spring Boot, microservices architectures to design, build, and scale backend systems … deliver high-quality services, collaborate across teams, and contribute to architectural and design decisions. Roles & Responsibilities Design, develop, and maintain scalable backend services using Java and Spring Boot Build and support microservices-based architectures with high availability and performance Develop and consume RESTful APIs and event-driven services Collaborate with ...

Full Stack Developer

Hiring Organisation
Coltech
Location
City of London, London, United Kingdom
Full Stack Developer (GCP/Java/Python) – Contract – Hybrid Location - London Hybrid working – 2–3 days per week onsite Employment Type - Contract Role Overview We are seeking a high-calibre, hands-on Full Stack Developer to join a platform engineering team delivering modern, secure cloud-native solutions. This role … business analysts, and product stakeholders. Contribute to continuous improvement of engineering practices and platform capabilities. Required Technical Expertise Strong hands-on development experience with: Java Python Node.js JSON Experience designing and building APIs and microservices architectures . Experience working within cloud environments , particularly: Google Cloud Platform (GCP) Strong understanding ...

Java Developer

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £684 per day + Umbrella - inside IR35
Java Developer - eTrading/FX - Investment Banking - London Hybrid (3 days onsite) Any Java server-side developers with strong skills developing high volume low latency trading solutions available for new projects? We are working with a leading consultancy who is looking for an experienced Java Developer to join … through implementation, testing and participation in intraday and overnight support when required. As such, I am keen to speak with candidates who have: Strong Java server-side development experience, including multi-threaded programming. Proven experience building and tuning low latency, highly available distributed systems. Experience of FX spot or equities ...

Senior Java Developer

Hiring Organisation
Reed Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£130000 - £150000/annum
Senior Java Developer Location: London (Hybrid - 3 days in office) Role Overview We are seeking a highly skilled Senior Java Developer to join the eFX Algo IT team as a Subject Matter Expert (SME) in low latency trading systems. This is a hands-on development role focused on building … fast-paced, front-office environment, collaborating closely with developers, business analysts, project managers, and QA teams. This role demands deep technical expertise in Java , particularly in low latency environments , and a strong understanding of FX trading systems . You'll be expected to contribute to all phases of the software ...

Java Developer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Java Developer Hybrid - 2 Days/Week in London (Victoria) | £50,000-£60,000 + Benefits | Permanent We're seeking a talented Java Developer with strong Spring Framework experience to join a high-performing team delivering large-scale, enterprise-grade applications. Key Focus Areas: Design, develop, and maintain Java-based … Collaborate with cross-functional teams to deliver high-quality software Contribute to solution design, performance tuning, and code reviews Requirements: Proven experience as a Java Developer (Spring Boot/Spring Framework) Degree in IT or a business-related discipline (essential) Experience within financial services or public sector environments (beneficial) Details ...