151 to 175 of 429 Java Jobs in London

Senior Software Engineer, Business Pricing

Hiring Organisation
Wise
Location
london (city of london), south east england, united kingdom
both new and existing customers, making them fairer, more intuitive, attractive and more scalable. Qualifications What does it take: 5+ years of experience in Java or Kotlin (or other JVM based language) Strong experience with Spring framework, relational databases, distributed and concurrent systems (Kafka) Close collaboration with product managers, data ...

Technical Project Manager

Hiring Organisation
Veolia
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum
platform delivery Bachelor's degree in Computer Science, Engineering, or related field-or equivalent industry experience in lieu of a degree. Experience with .NET, Java, APIs, microservices, SQL/NoSQL databases, and CI/CD pipelines; strong understanding of cloud/on-prem infrastructure, firewalls, and security protocols. What ...

Vice President , Low-Latency API & Distributed Systems - BestX TCA Platform

Hiring Organisation
State Street
Location
Greater London, United Kingdom
Employment Type
Full Time
effective CI/CD Education & Preferred Qualifications Core/Must have skills 15+ Years Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design, distributed (multi-tiered) systems, algorithms, and relational databases such as PostGres, Oracle, Distributed Cache, messaging, Extensive experience ...

Data Engineer, Prime Video Finance Analytics

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
software engineers to support the data needs of products. BASIC QUALIFICATIONS: - Experience in at least one modern scripting or programming language, such as Python, Java, Scala, or NodeJS - Experience with big data technologies such as: Hadoop, Hive, Spark, EMR - Experience building/operating highly available, distributed systems of data extraction ...

Scala Developer

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900/day
using Python for analytics, tooling, or supporting components alongside core trading platforms. Background in trading, risk, or financial markets technology is beneficial. Exposure to Java or other JVM-based languages is an advantage. Why Work Here? You will join a technology-focused environment where high-performance, low-latency engineering ...

Global Banking & Markets - Trading Systems Support Engineer - Associate/Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Site Reliability Engineering (SRE) practices, including automation, monitoring, and incident response. Proficiency in at least one scripting or programming language (e.g., Python, Shell Scripting, Java, C++) for automation, tooling, and operational tasks. Experience with distributed systems design, maintenance, and troubleshooting. Knowledge of financial markets, electronic trading workflows ...

System Development Manager, Catalog Engineering Service Support

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
catalog engineering teams BASIC QUALIFICATIONS: - Experience managing a technical team - Experience hiring, developing and promoting engineering talent - Knowledge of a modern programming language (Ruby, Java, Python, or C#) - Bachelor's or Master's degree in Engineering or related field. - +6 years experience in software development, testing or Devops/System ...

Physical Security Systems Engineer, Physical Security Systems Specialists (PS3), Physical Security Systems Specialists (PS3)

Hiring Organisation
Amazon
Location
Greater London, United Kingdom
Employment Type
Full Time
engineering, systems administration, DevOps, security administration, or network administration - Experience working with Linux - Experience in systems engineering - Experience in any of the following: Python, Java, Perl, PHP, Ruby, Bash, Shell or equivalent PREFERRED QUALIFICATIONS: - Knowledge of TCP/IP and networking protocols such as HTTP and DNS - Experience designing ...

Senior Java Engineer - Algorithmic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
You'll join a front-office electronic trading team responsible for the systems that directly drive execution across EMEA markets. This is not a support function, you'll be building and enhancing the algorithmic engines ...

Principal Java Engineer

Hiring Organisation
Fynity
Location
City of London, London, United Kingdom
Principal Java Engineer London – Hybrid (1 day per week onsite) Are you a senior/lead hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work … near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing ...

Java Fullstack Developer, Assistant Vice President

Hiring Organisation
State Street
Location
Greater London, United Kingdom
Employment Type
Full Time
myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Role Summary : We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building end‐to‐end product experiences … across modern web user interfaces and Java backend services that power institutional digital asset capabilities in a regulated financial services environment. This includes contributing to API-driven platform services and user-facing portals that support digital custody, tokenization, transfer agency, and digital cash/settlement workflows. You will work closely ...

Java Fullstack Developer, Assistant Vice President

Hiring Organisation
State Street
Location
london (city of london), south east england, united kingdom
myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Role Summary : We are seeking an experienced Java Full Stack Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building end‐to‐end product experiences … across modern web user interfaces and Java backend services that power institutional digital asset capabilities in a regulated financial services environment. This includes contributing to API-driven platform services and user-facing portals that support digital custody, tokenization, transfer agency, and digital cash/settlement workflows. You will work closely ...

Senior Software Engineer II - Treasury + Liquidity (Java)

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
105000 to 130000000 GBP Annually
solutions that enhance our liquidity management and operational efficiency. What you will do: Design, build, and maintain high-performance, scalable tools and services utilizing Java, Spring Boot, and cloud technologies etc. Implement metric-driven, real-time observability for Liquidity management systems. Lead technical initiatives to improve real-time Liquidity management … advocacy for best coding practices, continuous delivery, and code reviews. Knowledge and experience with asynchronous messaging systems, such as Kafka. Knowledge of Java and Spring Boot is a plus. Experience working with relational databases, SQL query optimization, and schema design is a plus. Experience with big data technologies such ...

Backend Software Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Software Engineer - Java 21, Springboot Up to £550 per day (Inside IR35) London/Remote 6 months My client is an instantly recognisable consultancy who require a strong Backend Software Engineer with deep expertise in Java (Spring Boot) to join a large-scale, business-critical microservices programme. All candidates must … eligible for Security Clearance (SC) Key Requirements: Proven experience working as a Java Software Engineer on large microservice architectures Strong experience building scalable backend and RESTful services using Java (Spring Boot) Ideally Java v21 (or very recent versions) Postgres (or other relational SQL databases) with a solid understanding of schema ...

Mid Java/Clojure Engineer

Hiring Organisation
S&P Global
Location
london (city of london), south east england, united kingdom
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/ ...

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/ ...

Engineering Manager - Lead Tech, Grow People (London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
software engineering team, coaching engineers, and ensuring technical leadership while managing high quality software deliveries. Candidates should have experience in tech stacks like Java and Spring, along with strong communication and problem-solving skills. The role offers a competitive salary, benefits, and a hybrid working model, fostering a collaborative environment. ...

Python Developer

Hiring Organisation
Thomson Keene
Location
Greater London, England, United Kingdom
closely with demanding stakeholders to translate complex requirements into robust, scalable solutions. What We're Looking For Essential 5+ years of strong Python development (Java advantageous) Proven experience designing and building complex server-side systems Background in Financial Services — specifically front office derivatives, pre-trade/origination, or post-trade ...

Technical Solutions Architect

Hiring Organisation
Impellam Group
Location
City of London, London, United Kingdom
engineering Demonstrable experience working on customer journey–led architectures and platform layering Solid integration experience, including: Kafka/event‐driven architecture API‐led integration Java‐based services Cloud experience, with a strong preference for AWS Comfortable working in fast‐moving environments created by organisational change Able to challenge stakeholders constructively ...

Graduate Software Engineer / Quant Developer / Quant Researcher - Up to £180,000 + Bonus + Package

Hiring Organisation
Hunter Bond
Location
City of London, London, United Kingdom
performance-driven culture ✅ What You’ll Bring 🎓 Degree in Computer Science, Mathematics, Physics, Engineering , or another STEM discipline 💻 Strong programming skills in Python, C++, Java, C#, or KDB+/Q 🔍 Analytical mindset with a passion for tackling complex, data-driven challenges ⚡ Curiosity, drive, and the ability to thrive in fast ...

Kotlin Engineer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
emphasis on performance, reliability and clean service design across a modern cloud architecture. Key requirements: • 3-4 years commercial experience with Kotlin, or strong Java (8/11) with a desire to transition • 7+ years working across JVM-based backend development • Strong experience with Spring Boot and building RESTful ...

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 ...

Palantir Solution Architect (Manager)

Hiring Organisation
Anson Mccade
Location
London, United Kingdom
Employment Type
Permanent
understanding of both traditional and modern data warehousing approaches Hands-on experience with cloud platforms such as AWS, Azure, GCP, or Databricks Proficiency in Java, Scala, or Python A strong track record of mentoring and developing technical teams Desirable Experience Knowledge of data architecture principles such as Master Data Management ...

Engineering Manager

Hiring Organisation
Hirewell
Location
London Area, United Kingdom
ability to lead, motivate, and scale a diverse team of engineers with strong interpersonal and team-building skills. Technical Proficiency: * Hands-on experience with Java, C#, or Python in an enterprise environment. Skills in API and Data Model Design , including how to scale out, make highly available ...

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 ...