151 to 175 of 275 Java Jobs in London

DevOps Engineers

Hiring Organisation
CGI
Location
Greater London, United Kingdom
Employment Type
Full Time
successful in this role •Kubernetes •Argo •Rancher •Cloud Experience •Linux administration •Experience with Puppet or similar Infrastructure-as-Code tooling •Scripting languages including Python, JavA and Bash and working with Git/SVN source control systems We don't expect candidates to know everything on the list. Experience across multiple ...

Backend Java Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £565/day
Backend Java Developer Max Supplier Charge rate: 585 Clearance required: SC (It needs to be an active SC with a government agency used within the last 6 months or a HO SC) Location: London, Croydon (Remote, with occasional, infrequent office days) Job Description: Experience of Java Experience of Spring framework ...

Java Security Specialist

Hiring Organisation
Zensar Technologies
Location
London, United Kingdom
Employment Type
Permanent
ZensarisaleadingdigitalsolutionsandtechnologyservicescompanythatspecialisesinpartneringwithglobalorganisationsacrossindustriesintheirDigitalTransformationjourney.ZensarsReturnonDigitalstrategyhasenabledcustomerstolookbeyondcurrentinvestmentstowardsrealisingvisiblebusinessbenefitsintheirdigitaltransformationjourney. Ifyourelookingforaworkplacewhereassociatesrealiseandcontributetotheirfullpotential,arerecognisedfortheimpacttheymake,andenjoythecompanyofthepeopletheyworkwith,thenyouvecometotherightplace! Whatyouwillbedoing: Investigateandresolvesecurityfindingsacrossmultipleversions Ensurefalsepositivesareproperlyexplainedtocentralsecurityteamandapprovedasfalse positives UpgradedependenciesbothJavaaswellasTypescript/Javascriptlibraries Resolvesecurityvulnerabilitiesinnolongersupportedopensourcelibraries Ensureanysecurityrelatedchangeswillnotbreakexistingfunctionality Whatyouwillneed: Atleast7+yearshands-onprofessionalexperienceintheJavaenterpriseenvironment. Experiencebuildingenterprisefinancialsolutions. ExperiencewithAgileandtest-drivendevelopment. Experienceinworkinginadistributedglobalenvironment Experienceininvestigatingandresolvingsecurityrelatedfindings Experienceinupgradingandworkingwith3rdpartyopensourcedependencies VerygoodexpertiseinJavaSE/JEE,TypeScript Verygoodexpertiseinsoftwaredesignpatterns,integrationpatternsandenterprisearchitecturalconcepts. Hands-onexperiencewithSpringFrameworkandMiddleware,JMSandJPA/Hibernate Goodunderstandingofwebfrontendtechnologies ...

Contract Algo Trading Java Developer - eTrading, low latency, Java APIs, Multithreading, FIX

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
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 … 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 benchmark algos, smart order routing and internal crossing. The main responsibilities ...

Java Developer

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Accepting applications until: 31 July 2026 Job Description Your Role: Java Developer Keeping our audiences entertained with their favourite podcasts, radio shows, video content and playlists, the Consumer Growth team builds best-in-class tech … platforms, we're always looking for new ways to make our content look and sound great. We're looking for an adaptable, experienced Java Developer to help shape the future of Consumer Growth here at Global. . Key Responsibilities Feature Development (5 0 %) : Develop new features that are functional, performant ...

Senior Software Engineer II (Java/ Spring)

Hiring Organisation
Elsevier
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
100400 to 167300 EUR Annually
member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior Software Engineer II (Java/Spring) Are you passionate about building scalable, high-performance data-driven applications? Do you enjoy turning complex datasets into robust, reliable systems that deliver real … team that delivers scalable, reliable, and innovative solutions that accelerate scientific discovery. Key responsibilities: Design and implement graph-based search services. Develop applications using Java , Spring Boot, Spring, GraphQL , and GraphQL Federation . Integrate with databases, web services, or AWS services (Neo4j, DynamoDB, RDS, S3, Parameter Store, SQS, SNS, Kinesis ...

Senior Java Engineer - Payments (ICON IPF)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Senior Java Engineer - Payments (ICON IPF) Location: London (Hybrid: 2 days/week in-office) Duration: 12+ Months Sector: Fintech/Tier-1 Banking Role Overview Are you a heavy-hitter in the payments space? We are looking for a Senior Java Engineer with deep expertise in the ICON … with some of the world's leading banking institutions. Technical Toolkit To excel in this role, you'll need a seasoned background in modern Java development and a 'cloud-first' mindset: Java Mastery: 5-10 years of experience, with expert-level Java 11 , Spring Boot , and Microservices architecture. The ICON ...

Graduate Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£125,000 - £150,000 per annum
apply? STEM Degree from a top 300 QS University Experience working with any backend programming language (Ideally C/C++/Rust/Java) Willingness to move to Newcastle & travel the UK Base (55/75K) + Bonus + Benefits This is a top opportunity to launch your career ...

Graduate Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
apply? STEM Degree from a top 300 QS University Experience working with any backend programming language (Ideally C/C++/Rust/Java) Willingness to move to Newcastle & travel the UK Base (55/75K) + Bonus + Benefits This is a top opportunity to launch your career ...

Technical lead

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
quality code standards, reviews, and continuous improvement Work closely with stakeholders within an investment banking environment Required Skills & Experience Strong hands-on experience with: Java Kafka Oracle Angular Proven experience in a Technical Lead or similar leadership role Experience managing remote or distributed teams Strong understanding of system architecture ...

Quantitative Analyst

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
Bachelors degree in engineering, computer science or another technical related subject. programming proficiency with at least one major programming or scripting language (e.g. C++, Java, Python) high level of communication skills and ability to work efficiently with colleagues across multiple areas Additional desirable Qualifications for Quantitative analyst Knowledge ...

Solutions Engineer (eCommerce) - Permanent role (Italian or French)

Hiring Organisation
Nicoll Curtin Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
engineering, integration, or technical consulting (SaaS environment preferred). Experience with REST APIs, systems integration, and SQL. Proficiency in any mainstream programming language (Python, Java, JavaScript, C, etc.). Ability to explain technical concepts clearly to technical and non-technical stakeholders. Experience working directly with customers. Italian (pre-sales ...

Oracle Fusion HCM Lead

Hiring Organisation
Skillsbay Ltd
Location
London, United Kingdom
Employment Type
Permanent
across both business and technical teams Desirable Experience Oracle E-Business Suite R12 BI Publisher reporting Oracle integrations and interfaces PL/SQL or Java exposure Shared Services environments Agile, Prince2 or ITIL delivery methodologies This role would suit a senior Oracle Fusion HCM professional who enjoys combining hands ...

Lead Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
which can focus on being the world\'s most accountable and sustainable cloud provider Qualifications Tech agnostic but preferable experience working with Golang, Rust, Java and/or C/C++. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Confident ...

Qantative Developer (OTC Pricing)

Hiring Organisation
Forward Role
Location
East London, London, United Kingdom
Employment Type
Permanent
closely with traders and quants on systematic strategies and tooling Supporting and enhancing production trading infrastructure What they're looking for Strong experience in Java, Python, and/or Rust Background in trading systems, HFT, market making, or electronic trading Solid understanding of distributed systems and low-latency design Comfortable ...

Fullstack Engineer (Heavy Frontend) - SPFYJP00003550

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £600 per day, Negotiable, OTE
focus and team skill gap (Role is focused more on Frontend). Backend & Data: Comfortable managing backend tasks and general cloud infrastructure. Familiarity with Java and general data engineering practices is a strong plus. AI Integration: Familiarity with AI coding assistance tools to optimize development workflows. Logistics & Duration: 6-month ...

Head of Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
start‐up environments. Strong technical background with experience designing and delivering complex, scalable systems. Comfortable across modern technologies and languages (e.g. Python, Rust, C++, Java, Go) with a pragmatic, language‐agnostic mindset. Experience setting technical strategy while remaining close to architecture and key technical decisions. Strong leadership, communication, and stakeholder ...

Graduate Software/Quantitative Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Requirements Education: A high‐class degree in Computer Science, Mathematics, Physics, Engineering, or another STEM discipline. Technical Skills: Strong programming foundations in Python, C++, Java, C#, or KDB+/Q. Mindset: An analytical approach with a passion for tackling complex, data‐driven challenges. Attributes: Curiosity, drive, and the ability ...

SENIOR HPC/COMPUTE ARCHITECT

Hiring Organisation
Crear Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
latency compute systems - different scheduling, state management, and compute allocation vs EOD batch - C++/Rust interoperability: FFI, gRPC, or proto-based bridging to Java layer DOMAIN CONTEXT - REQUIRED - Investment bank risk computation experience at engine level: pricing engines, sensitivity computation, scenario-based risk frameworks inside a tier-one institution ...

Cyber Security Operations Specialist

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
methodologies End-to-end incident response lifecycle experience Detection engineering and alert development expertise. Strong scripting or programming skills (Python, Bash, C/C++, Java). Solid grounding in cybersecurity fundamentals: network security, cloud security, cryptography, forensics. Understanding of common network protocols and attacker abuse patterns. Awareness of current ...

Product Owner

Hiring Organisation
Global
Location
Greater London, United Kingdom
Employment Type
Full Time
drive business outcomes. Agile Methodology: Familiarity with agile methodologies and experience working in an agile product development environment. Tools in Scope : Jira, Confluence, Java, Aha!, Amplitude, Stripe, WalkMe. ...

Senior Developer

Hiring Organisation
Addition
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
ideal solutions with commercial realities Designed and maintained APIs used by customers or internal teams Other Skills Needed: Solid backend engineering experience in C#, Java, or Go, with a strong grasp of API design and architecture. Hands-on experience managing and debugging production systems across cloud and self-managed infrastructure. ...

FX Technology – Cross Border Payments Developer (AVP)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with and have a demonstrated passion for delivering FX technology in support of our #1 FX business. Role Overview/What will you do: Java development as part of an AI-first, focused team of engineers working on cross-border payments modernization The successful candidate will work with teams across ...

Solution Engineer (Aeron and Capital Markets)

Hiring Organisation
Adaptive Financial Consulting Ltd
Location
Greater London, United Kingdom
Employment Type
Full Time
HAVE : Strong communication skills Experience in providing mentorship and support to team members Significant, professional experience within capital markets, developing software solutions using Java in a highly performant, low latency manner Experience using Aeron in a high-performance scenario within capital markets or digital assets Familiarity with appropriate data structures ...

Sales Engineer

Hiring Organisation
Tiptap
Location
City of London, London, United Kingdom
create ways to achieve goals. Our Tech Stack To make sure you don't regret joining Tiptap, here's our tech stack: - Languages: Java - Frameworks: Zend, jQuery, AngularJS - Databases: Oracle Hell, just kidding! You'll find the real expectations below in Qualifications. Hackathons Four times a year, we host five ...