151 to 175 of 338 Java Jobs in London

Swaps Developer Contract

Hiring Organisation
Jefferies
Location
London Area, United Kingdom
skills and experience are required for this role: Technically minded. Comfortable both as architect and hands-on developer. Strong and experienced C++ developer. Capable Java developer with coding experience in the workplace. Strong hands-on experience with multi-threading, and real-time systems. Using SQL, preferably MS SQL Server. Experience ...

Full Stack Engineer

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
maintainable code, systems design and software architecture Experience working across multiple technology stacks Strong experience with library‐appropriate, strongly typed languages such as C++, Java, C#, Go or Rust, along with relevant front‐end frameworks High adaptability and the ability to learn new technologies quickly Interest in modern technologies such ...

Senior Penetration Tester

Hiring Organisation
Arcus Search
Location
London Area, United Kingdom
just find problems — you help fix them. Have solid experience in penetration testing and offensive security Can spot vulnerabilities in code (especially Java and Node.js) Understand modern architectures — AWS, microservices, APIs Communicate clearly and give practical, actionable remediation advice Comfortable scripting and contributing to larger projects in Python Take ownership ...

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 ...

Staff Software Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £135,000 per annum
Hands-on experience with cloud-native technologies, containers, and CI/CD pipelines Experience influencing technical direction across teams or domains Strong expertise in: Java Distributed systems architecture API design Performance optimisation and scalability Nice to have: Previous experience at Staff/Principal/Tech Lead level Exposure to high ...

Senior C# Developer (Contract) - Front Office Engineering | Hedge Fund

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 Additional interests: Experience working in front‐office or trading‐technology ...

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 ...

Full Stack Java Developer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/hour
Title Java Developer Day Rate £500/day - Inside IR35 Location Remote - Occasional London Duration 6 months (with view to extend) ROLE DESCRIPTION Brio Digital are supporting a consultancy on a major NHS digital programme and are looking for an experienced Senior Java Developer to join a high-performing engineering … team. You will take a lead role in the design and delivery of complex, enterprise-scale solutions, bringing strong Java, AWS, and API expertise to a programme that is making a real difference to patient care across the country. KEY RESPONSIBILITIES Lead the design and development of robust, scalable Java ...

Generative AI Engineer

Hiring Organisation
Immersum
Location
City of London, London, United Kingdom
requirements and deliver iterative solutions in Agile environments Core requirements 8+ years of hands-on software engineering experience across Python and object-oriented languages (Java or C++) Strong background delivering production-grade full-stack or backend systems Deep understanding of cloud architecture (AWS, Azure, or GCP) with a focus … scalable and secure systems Strong proficiency in Python and SQL , plus experience with either Java or .NET Solid DevOps experience including Git, CI/CD pipelines, and containerisation (Docker, Jenkins or equivalent tools) Proven experience designing and building microservices-based architectures in distributed systems Advanced knowledge of database systems , including ...

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 ...

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
City of London, London, 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 ...

Java Developer – Apache Struts

Hiring Organisation
iXceed Solutions
Location
City of London, London, United Kingdom
certified, leader in Talent and Digital recruitment solutions, serving Fortune 100 companies globally. About the Role We are looking for a hands-on Java Developer with strong expertise in Apache Struts and enterprise application modernization to join our development team. You will be part of an ongoing migration program where … frameworks and legacy components are being upgraded to modern Java standards. Java Developer – Apache Struts 📍 Location: London, UK (3 days/week from client office – mandatory) 📄 Employment Type: Permanent What You’ll Do Develop and enhance enterprise applications using Java 11/17 Work extensively with Apache Struts 2.x (ActionSupport ...

Senior Java Engineer (Payments)

Hiring Organisation
Randstad Technologies
Location
London, UK
Employment Type
Full-time
Description 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 … 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 ...

Java Technical Lead - London, Wembley

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £80000/annum + Benefits
Title: Java Technical Lead Salary: Paying up to £80,000 per annum Location: Wembley London - 5 days on-site Our client, a well-established and diversified multinational organisation, is seeking a Java/DevOps Technical Lead to join their team. Skills Solid Experience in Java development with significant, demonstrable experience … design principles, OAuth2 authentication flows (including FusionAuth integration), and DMARC-compliant transactional email logic via SendGrid. Duties Engineering Standards: Define and enforce the clients Java and Node.js coding standards across the team - with a specific focus on robust exception handling, ninary stream handling, structured logging via Application Insights, and adherence ...

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/ ...