151 to 175 of 340 Java Jobs in London

Software Engineer - Hybrid working - Up to £500,000 Base (+ Bonus)

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
/PhD in Computer Science, Engineering, or a related field Professional experience as a Software Engineer using any of C++, Python, Rust or Java Strong fundamentals in data structures, algorithms, and software design Experience with multi-threaded programming and real-time systems Experience building software at massive scale (handling tens ...

Software Developer (Remote) (London)

Hiring Organisation
Outlier AI
Location
Fitzrovia, Greater London, UK
Employment Type
Part-time
e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

AI Agent Developer (Remote) (London)

Hiring Organisation
Outlier AI
Location
Fitzrovia, Greater London, UK
Employment Type
Part-time
e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

Software Engineering Consultant (Remote) (London)

Hiring Organisation
Outlier AI
Location
Fitzrovia, Greater London, UK
Employment Type
Part-time
e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

Full-Stack Engineer (Remote) (London)

Hiring Organisation
Outlier AI
Location
Fitzrovia, Greater London, UK
Employment Type
Part-time
e.g., distinct services for data parsing, logic processing, and reporting). Strong command of at least two major languages (e.g., Python, JavaScript, Go, or Java) and experience working with SQL databases. Practical experience building for live, non-mocked environments and handling multi-turn system interactions. Outstanding attention to detail ...

C# Developer - Front Office Engineering | Hedge Fund - London

Hiring Organisation
Undisclosed
Location
London Area, United Kingdom
central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, low‐latency, or business‐critical systems is valuable Financial markets experience is not essential, but interest ...

Investment Banking - Low Latency C++ Developer - financial markets/Linux/scripting/low latency/TCP/I

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
part of the low latency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA, C++ and Java technologies. The candidate will be focusing on the C++ components. The ideal candidate: Is motivated by working in a high performing team, Is flexible to change ...

Data Engineer

Hiring Organisation
Searchability NS&D
Location
London Area, United Kingdom
Strong AWS expertise, including tools such as Glue, Lambda, Kinesis, EMR, Athena, DynamoDB, CloudWatch, SNS and Step Functions. Skilled in modern programming, particularly Python, Java, Scala and PySpark. Solid knowledge of data storage and big data technologies, including data warehouses, databases, Redshift, RDS and Hadoop. Experience building and managing ...

Workday Integration Lead

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
interfaces. Utilise Workday Studio, Workday Web Services (WWS), EIB, and Cloud Connect (CCW, PECI) for integration tasks. Apply coding skills such as XSLT, XML, Java, SQL, and other integration technologies to build scalable and efficient custom integrations. Ensure accurate and seamless data flow between Workday and other enterprise systems. Identify ...

Senior Cyber Security Analyst

Hiring Organisation
Anson McCade
Location
London Area, United Kingdom
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 ...

Senior C# Developer - Head of Core Platform | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such as C++ , Java , or Go Familiarity with UI technologies such as WinForms, WPF, Blazor Hybrid, and Blazor Web Leadership & Approach Experience working in front‐office or trading‐technology ...

Site Reliability Engineer

Hiring Organisation
Purview Consultancy Services Ltd
Location
London, United Kingdom
Employment Type
Contract
Days Onsite Job Type: Contract & Fixed term Employment Domain: Banking/Finance/Trading Market Risk Skills: SRE experience with Python-based applications(not Java) Exposure to cloud technologies Familiarity with Athena ecosystemor similar (SecDB, Quartz) Trade Lifecycle/Market Risk/Risk platform experience Experience:Minimum 8+ years ...

Senior Fullstack Infrastructure Engineer

Hiring Organisation
Teksystems
Location
Central London, London, United Kingdom
Employment Type
Contract, Work From Home
tooling, best practices, and documentation What we're looking for: Strong, hands-on experience with Bazel in a production environment Strong backend experience with Java and SQL experience working on CI systems and build pipelines at scale Background in build system migrations or adoptions (e.g. Gradle/Make/CMake ...

Salesforce Engineer - Certinia, CPQ, Billing

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
jargon into technical tasks and be responsible for having discussion with business stakeholders and product Work with the following tech/tools/methodology; Java, JavaScript, HTML, CSS, TDD, Agile, pair programming, Bitbucket, Bamboo Qualifications Experience in the Salesforce platform Apex, Aura/LWC, Visualforce development with a strong understanding ...

Salesforce Engineer

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
jargon into technical tasks and be responsible for having discussion with business stakeholders and product Work with the following tech/tools/methodology; Java, JavaScript, HTML, CSS, TDD, Agile, pair programming, Bitbucket, Bamboo Qualifications Experience in the Salesforce and Force.com platform Apex, Aura/LWC, Visualforce development with ...

IDAM Back-end Java Developer - SC Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £535/day
IDAM Back-end Java Developer - SC Cleared Rate: £500 - £535 a day IR35 : Inside IR35 Location: Remote within the UK Duration: Initially 6 months Clearance: Active SC Clearance required You will join a global IT consultancy who are delivering digital transformation to public sector body. They are looking … back-end Java Developer with proven IDAM (Identity and Access Management) experience. You will be part of a continuous improvement squad delivering enhancements and new features alongside BAU work (i.e. incidents and support maintenance activities). In addition, you will be involved in helping our client transform their IDAM service ...

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 ...

Modernisation Engineer ( Java Azure )

Hiring Organisation
Experis
Location
Wembley, England, United Kingdom
Responsibilities Engineering Standards : Define and enforce Java and Node.js coding standards across the engineering team, with a strong emphasis on robust exception handling, binary stream processing, structured logging using Application Insights, and security‐first development practices. Cloud‐Native Readiness : Ensure all application logic is designed for containerisation from inception. This … contract tests, to minimise regressions and ensure deployments are stable and verifiable prior to production release. The Ideal Candidate Experience : 10+ years of professional Java development experience, with proven production ownership of Spring Boot–based microservices architectures. Azure Integration : Demonstrated experience building applications that integrate with Azure-native services, including ...

Principal Engineer (Java) - up to £100,000 + Bonus - Hybrid

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £100,000 per annum
Principal Java Engineer (AWS/Microservices) Salary: Up to £100,000 + Bonus + Benefits Location: Coventry or Central London - Hybrid (2 days per week onsite) Working Hours: 40 hours per week - Full time Job Type: Permanent A globally established organisation is seeking an experienced Principal Java Engineer to shape … engineering excellence, defining technical standards and leading the design of scalable, high-availability systems across a modern cloud-native environment. Responsibilities for the Principal Java Engineer: Define and evolve engineering strategy, standards and best practices across your domain Lead technical direction across multiple engineering teams and programmes Design and oversee ...

SVP- Senior Full-Stack Engineer - Trading (Java/Angular/AI)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £140,000 per annum
secure Driving engineering best practices across testing, automation, and performance Working closely with product and engineering stakeholders to deliver robust solutions Technology Environment Java and Spring Boot (low-latency) Distributed systems and microservices architecture AI Skills mandatory Angular or TypeScript (full-stack capability beneficial) Cloud and containerisation technologies CI/… automated testing, and observability tooling Requirements Strong experience in Java and backend development Experience building and scaling distributed systems in production environments Solid understanding of software architecture and system design Experience working in financial services or other regulated environments Exposure to the full software development lifecycle Familiarity with modern development ...

Senior Java Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
more information on how we process your personal data, please refer to HCLTech’ s Candidate Data Privacy Notice. Roles and Responsibilities- Migration‐focused Java + DevOps engineer with strong experience in lift‐and‐shift of existing services , CI/CD automation, and scripting. Must be comfortable working with infrastructure teams … such as Geneos, Grafana and Prometheus or equivalent, with an appreciation of what good operational visibility looks like for a trading platform. Mandatory Skills Java services understanding (operate & migrate existing apps) DevOps & infra migration (box‐to‐box/lift‐and‐shift) CI/CD & automation: Ansible, Chef, TeamCity Scripting (Python ...

Junior Java Developer

Hiring Organisation
Information Tech Consultants
Location
London Area, United Kingdom
Hiring: Junior Java Spring-boot Developer Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary: We are seeking a skilled and motivated Java Developer to join our growing software development team. As a Java Developer, you will be responsible for designing, developing, and maintaining … high-performance, scalable, and reliable Java-based applications. You’ll collaborate with cross-functional teams to deliver robust software solutions that meet business requirements. Company Profile: Information Tech Consultants Ltd is a UK-based IT consultancy working with global clients including Fortune 500 & FTSE 100 companies. We are seeking ...

Senior Java Engineer (Payments)

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £500 per day
Java Engineer - Payments/IFT London - 2 days in the office 6 Months Contract Inside IR35 £500 a day A top tier consultancy firm is looking for an experienced Java Engineer with a background in payments to contribute to a large payment modernisation programme. You will be instrumental in deploying … compliance with ISO 20022 standards. Essential Skills 5 + years of hands on experience in a Java11 and spring boot 5 + Years in Java Engineering. Proven track record delivering large-scale systems for major banking clients. Minimum of 3 years' hands-on experience specifically with ICON IPF (Instant Payments ...

Senior Java Engineer (Payments)

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500/day
Java Engineer - Payments/IFT London - 2 days in the office 6 Months Contract Inside IR35 £500 a day A top tier consultancy firm is looking for an experienced Java Engineer with a background in payments to contribute to a large payment modernisation programme. You will be instrumental in deploying … compliance with ISO 20022 standards. Essential Skills 5 + years of hands on experience in a Java11 and spring boot 5 + Years in Java Engineering. Proven track record delivering large-scale systems for major banking clients. Minimum of 3 years' hands-on experience specifically with ICON IPF (Instant Payments ...

Mid Java/Clojure Engineer

Hiring Organisation
S&P Global
Location
Greater London, United Kingdom
Employment Type
Full Time
consistent and reliable curve and volatility data for over-the-counter derivatives in support of trading, research, valuation and independent price verification. As a Java/Clojure Engineer, you'll work closely with our product and data specialists across all asset classes, extending our platform while maintaining high test-coverage … Looking For: Basic Required Qualifications: Bachelor's degree in Computer Science, numerate discipline, or equivalent experience with approximately 3 years working on distributed Java platforms and web technologies Experience with modern Java versions (such as Java 17, 21) Willingness to learn and work with Clojure Proficiency in both UNIX/ ...