Permanent Java Software Engineer Jobs in London

1 to 25 of 31 Permanent Java Software Engineer Jobs in London

Java Software Engineer

London Area, United Kingdom
Radley James
A leading systematic hedge fund is looking to add a strong Java engineer to their core trading technology team in London. The successful candidate will join a team responsible for the development and enhancement of various high performance, low latency trading applications that underpin execution and order management … for the business. Requirements: -BSc/MSc in Computer Science from a leading University -2+ years experience Core Java development -Strong computer science fundamentals -Strong understanding of multi-threading and concurrency -Experience developing real-time, fault tolerant systems -Experience with trading technology advantageous but not essential more »
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Senior Java Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
value creativity, collaboration, and a drive for excellence. What You'll Do: Lead the design, development, and deployment of new features and products using Java, TypeScript, React, and Kotlin. Work closely with product managers, designers, and other engineers to develop scalable and maintainable software solutions. Participate in architectural … in code reviews, testing, and debugging to maintain high code quality and performance standards. What they're looking for: Extensive Experience: Strong proficiency in Java, TypeScript, React, and Kotlin. Greenfield Expertise: Proven track record of building new systems from scratch. Problem Solver: Ability to tackle complex technical challenges and … a strong interest in financial technology. Familiarity with modern development practices such as microservices, continuous integration, and containerization. Understanding of security best practices in software development. What they offer: Competitive Salary: Attractive compensation package with equity options. Flexible Work Environment: Hybrid work options and flexible hours to promote work more »
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Software Engineer (Java) - Scaling FinTech

London Area, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Software Engineer (Java) - Scaling FinTech Java Developers - FinTech - London St Pauls, (flexible hybrid working) £60 - 90k An eminent supply-chain finance organisation catering to hundreds of banks and corporates, managing over $30 billion in assets are looking for skilled Java Developers to join their diverse … nationalities as well as expertise in major finance and trading environments. Competitive salary from £60,000 - 90,000 per annum. Requirements: Expert in Java development, with good understanding of object-oriented programming principles and design patterns. Experience with Spring Boot and microservices architecture. Focus on building scalable and resilient more »
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Senior Java Software Engineer

London Area, United Kingdom
Oliver Bernard
Senior Software Engineer - Trading 2 - 3 days per week onsite, Oxford Street, London £75,000 - 110,000 depending on experience Java, Spring Boot, React, Docker, Kubernetes, Low Latency FX Hiring at all levels, strong package and flexible salaries. Leading financial trading house who have a vibrant office … on Oxford Street and have a flexible hybrid 2-3 days split between office and home are looking for a Senior Java Developer. You will join their team, becoming a key member of the engineering function as they start to build out their product portfolio. They are currently providing … prop trading platform for crypto trading, so it is a really exciting time for the company and a great time to join. Tech Stack Java React Springboot AWS Docker Kubernetes Low Latency FX If you haven't worked with these technologies before it offers a good opportunity to learn more »
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Java Software Engineer

London Area, United Kingdom
Radley James
I am hiring on behalf of a quant trading firm keen to strengthen one of their most successful areas with a software developer proficient in Java looking to further their career in a dynamic trading environment. This is an opportunity to work within a well-established team working … traders, assisting monitoring capability and post-trade performance analysis Working collaboratively to optimise all aspects of the trading lifecycle. Requirements - 2+ years of professional Java experience STEM degree Strong understanding of algorithms and data structures Finance experience preferred but not essential Willingness to learn and work in a cohesive more »
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Software Engineer - Fintech - Java, Kotlin, Groovy

Greater London, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
ll have the opportunity to make a significant impact and shape the future of fintech. Position Overview: They're seeking a talented and passionate Software Engineer to join our start-up team. As a pivotal member of their development team, you'll play a crucial role in building … Kotlin, Groovy, Spring Boot, Elastic Stack (ELK), RabbitMQ, Kubernetes, and Java. Responsibilities: Collaborate closely with cross-functional teams to design, develop, and deploy scalable software solutions. Write clean, efficient, and maintainable code using Kotlin, Groovy, Java, and other relevant languages. Develop microservices architecture using Spring Boot and deploy … production environments and provide timely resolutions. Requirements: Bachelor's or Master's degree in Computer Science, Engineering, or related field. Proven experience as a Software Engineer, preferably in a start-up environment or fintech industry. Proficiency in Kotlin, Groovy, Java, and Spring Boot. Experience with containerization and more »
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Java Software Engineer

London Area, United Kingdom
Oliver Bernard
Mid-Level Java Developer A B2B Fintech company looking to scale their development team after a recent round of Series A funding seek Java Developers to work on high performance, scalable applications. They are looking to grow the overall development team up to 20 as soon as possible … so ideally looking for Senior Devs who can have an immediate impact. Duties will include the design and development of low latency software, contributing to the whole software development life cycle, writing clean elegant code. Skills needed: Java11+ SpringBoot Microservices Docker/Kubernetes AWS and NoSQL not essential more »
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Java Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Java/Kotlin Engineer An award winning open banking Fintech are seeking a Java/Kotlin Engineer to work on a payments platform. You’ll help to build new products and improve the existing payments based offering, playing a key role in helping the company move … within an agile team; who understands how IT systems are built and managed. The applications you’ll be working on are a mixture of Java & Kotlin, moving forward all new development will be done mainly using Kotlin. You’ll be joining a tight-knit multidisciplinary team of frontend, backend … product - reporting directly to the CTO. Tech stack/ways of working is as follows, you don’t need experience with everything listed: Kotlin Java AWS SpringBoot MongoDB TDD The role is hybrid and will require two days a week in the office, the company are based near London more »
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🌳X5 Java Software Engineers - London - Flexible Hybrid - £30-70k - Junior to Senior level🌳

London Area, United Kingdom
Hybrid / WFH Options
Areti Group
X5 Java Software Engineers - London - Flexible Hybrid - £30-70k - Junior to Senior level🌳 Areti Group have partnered with a rapidly expanding Digital Agency company who are seeking x5 Java Software Engineers of various levels of experience - Junior through to Senior level - who are working across … using agile methodology and to build backend systems and web applications. You will be working on cutting edge technologies alongside some of the best software engineers in the UK. 🌳Salary - £30k-70k (depending on experience) 🌳Flexible Hybrid - London 🌳Excellent benefits package The company is interested in people with experience … in one or more of the following technologies: Essential Requirements: 2+ years Java experience 2+ practical experience in Spring Boot Microservices Architecture TDD Automated acceptance testing/BDD/Cucumber Performance and scalability testing, e.g. JMeter Kubernetes/Container orchestration platform experience Designing, creating and calling HTTP APIs SQL more »
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Senior Java Software Engineer

London Area, United Kingdom
Durlston Partners
Senior Java Developer - Systematic Hedge Fund - London - Up to £350k TC A front office development team for one of London's top-performing systematic Hedge Funds is looking for an experienced Java Developer to join the collaborative team. The firm has had multiple years of strong performance and … trading strategies. Market Data integration and processing of real-time data feeds Latency optimisation and performance tuning for latency sensitive trading systems. Requirements: Excellent Java development skills, with previous experience designing and building systems from scratch. Previous experience building algo trading and execution systems. Proven ability to write clean more »
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Senior Java Software Engineer AWS Iceberg Data Finance London

London, United Kingdom
Hybrid / WFH Options
Joseph Harry Ltd
Senior Java Software Engineer (Senior Architecture Programmer Developer Java Python Software Engineer Data Enterprise Engineering Developer Programmer AWS Python Athena Glue Airflow Ignite JavaScript Agile Pandas NumPy SciPy Spark Dremio Snowflake Apache Iceburg Iceberg Arrow DBT gRPC protobuf TypeScript Finance Trading Front Office Investment … Income Equities Commodities Derivatives Hedge Fund) required by my asset management client in London. You MUST have the following: Advanced ability as a Senior Java Software Engineer/Technical Lead/Solutions Architect/Principal Engineer Good design and architecture ability Python Apache Iceberg Agile The … Office finance AWS Glue Dremio Snowflake Spark, Airflow, Apache Iceberg, Arrow, DBT Buy-side asset management (hedge fund, asset manager, investment management) Role: Senior Java Software Engineer (Senior Architecture Programmer Developer Java Python Software Engineer Data Enterprise Engineering Developer Programmer AWS Python Athena Glue more »
Employment Type: Permanent
Salary: GBP Annual
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Senior Java Software Engineer AWS Python Data Finance London

London, United Kingdom
Hybrid / WFH Options
Joseph Harry Ltd
Senior Java Software Engineer (Senior Architecture Programmer Developer Java Python Software Engineer Data Enterprise Engineering Developer Programmer AWS Python Athena Glue Airflow Ignite JavaScript Agile Pandas NumPy SciPy Spark Dremio Snowflake Apache Iceburg Iceberg Arrow DBT gRPC protobuf TypeScript Finance Trading Front Office Investment … Income Equities Commodities Derivatives Hedge Fund) required by my asset management client in London. You MUST have the following: Advanced ability as a Senior Java Software Engineer/Technical Lead/Solutions Architect/Principal Engineer Good design and architecture ability Python Three or more of … Agile The following is DESIRABLE, not essential: Trading, Front Office finance Spark Buy-side asset management (hedge fund, asset manager, investment management) Role: Senior Java Software Engineer (Senior Architecture Programmer Developer Java Python Software Engineer Data Enterprise Engineering Developer Programmer AWS Python Athena Glue more »
Employment Type: Permanent
Salary: GBP Annual
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Senior Software Engineer AOSP Android Java - SC Cleared

Central London, London, United Kingdom
Hybrid / WFH Options
Client Server
Senior Software Engineer/Developer (AOSP Android Java) London/WFH to £85k Do you have expertise with AOSP architecture combined with SC Clearance? You could be progressing your career, in a senior hands-on role, working on cutting edge security/encryption products in a friendly … and informal environment at a successful software house that provide cyber security products to a range of finance, government, defence, law enforcement and pharmaceutical companies. As a Senior Software Engineer you will lead the ASOP development project for a particular government/defence client, with responsibility for … technical leadership and in time build a team around you. Location/WFH: You'll be joining an international team, working in a relaxed software house environment (i.e. non-corporate, casual dress, table football), in Central London offices for three days a week with continued flexibility to work from more »
Employment Type: Permanent, Work From Home
Salary: £85,000
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Java Software Engineer

London, United Kingdom
Confidential
Junior and Mid Level Java Developer- London/Hybrid As a developer, you ll be responsible for developing high-quality solutions. You ll work as part of a team and report to the Head of Engineering. It s a fast-paced environment, so you will need to make sound … around you. You ll do this whilst learning about new technologies and approaches, with room to learn, develop and grow. Essential Requirements: 5 years Java experience 2 practical experience in Spring Boot Microservices Architecture Experience in 3 or more of the following: TDD Automated acceptance testing/BDD/ more »
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Java Software Engineer

London, United Kingdom
Confidential
Java Software Engineer Java17, Spring, AWS, Lambda, Jenkins, Postgres, DynamoDB, CloudWatch London, Hybrid (2-days per week in office) Up to £75k base salary, plus discretionary bonus Evoke Talent has partnered with an exciting B2B Fintech Platform that is looking to grow its Java Development team. … the Financial Services market including asset managers, investment banks, and hedge funds, offering a market-leading technology platform. They are now looking for a Java Developer to work on a new Financial Data Product using a modern technology stack. Requirements: 2 years of experience working with Java and more »
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Software Engineer Java API AWS

London, England, United Kingdom
Hybrid / WFH Options
Client Server
Software Engineer/Developer (Java API AWS) London/WFH to £90k Are you a technologist with strong Java backend development skills? You could be progressing your career working on a financial Tech for Good product in a hands-on Software Engineer role at … a scale-up software house. The platform enables easier money transfer to people in emerging economies, disaster and war zones that do not have access to a bank account; enabling relatives, charities, the UN and UNICEF to get money to remote communities where it is needed most using sophisticated … technology. As a Software Engineer you will collaborate in defining, building, iterating and testing core products including building new features on the payment platform, gateway API and web portal. There's a modern tech stack encompassing Java, Kotlin, Python, PostgreSQL, AWS, JavaScript and React; you'll have more »
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Java Software Engineer

Greater London, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
team is comprised of talented individuals who are committed to pushing boundaries and delivering excellence. As they continue to expand, they are seeking a Java Software Engineer to join our dynamic team. Role Overview: As a Java Software Engineer, you will have the opportunity … to work on exciting projects and collaborate with experienced developers. You will play a key role in designing, developing, and maintaining scalable software solutions using Java, Scala, AWS, and the Spring framework. Key Responsibilities: Develop high-quality software applications using Java, Scala, and Spring framework. Collaborate … during testing phases. Stay updated with emerging technologies and industry trends to continuously improve skills and solutions. Requirements: Bachelor's degree in Computer Science, Software Engineering, or a related field. Proficiency in Java programming language and experience with JVM-based frameworks such as Spring. Familiarity with Scala programming more »
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Java Software Engineer

London Area, United Kingdom
Workonomics
TL;DR 💫 Company | SaaS, Product, Developer Tooling 📏 Size | 50 people, 20 engineers 🧢 Role | Java Engineer 🪜 Level | 1x Mid and 1x Senior 🎯 Areas | backend/API development, high performance systems ✨ Skills | Java, Kafka, Netty 📍 Based | Central London (Zone 1) 💻 Hybrid | 2-3 days a week in-office 💰 Offer … product helps companies maximise the value of their data, unlock business value, and improve engineering team’s productivity. They're looking to hire 1x Java Engineer ( Mid ) and 1x Java Engineer ( Senior ) to work on their Kafka proxy - a mission - critical component where all of the … company's largest revenue deals come from. You’ll enjoy and succeed in working in this role if you: have a passion for backend Java and API development hold solid experience with, and truly understand the ins and outs of Kafka are experienced in any Java async networking more »
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Senior Java Software Engineer

London Area, United Kingdom
Tata Consultancy Services
Ready to utilise your experience and skills in Java 17, Spring boot, Docker, Unit testing, TDD, CI/CD, Architecture patterns, Databases? Are you passionate about providing technical guidance and expertise in Application Development using latest technologies? We have an exciting role for you as a Senior Java Engineer! Careers at TCS: It means more. TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful difference to the people and communities they serve - our clients include some of the … products to life. Work with customers and identify opportunities to support their strategy and improve their processes across functions. The Role As a Senior Java Engineer , you will be responsible for the Java, Spring Boot, backend REST API development lifecycle, leveraging your experience in GitHub, Docker. Key more »
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Java Software Engineer - Mid-Level

Greater London, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
Mid-Level Java Engineer My client is a leading financial services firm dedicated to providing innovative solutions and cutting-edge technology in the finance sector. With a commitment to excellence, they are seeking a talented and experienced Mid-Level Java Engineer to join our dynamic team. … passionate about finance, technology, and thrive in a collaborative environment, we invite you to apply. Responsibilities: Design, develop, and maintain high-performance and scalable Java applications. Collaborate with cross-functional teams to understand project requirements and translate them into technical specifications. Implement best practices for software development, ensuring … contribute to a culture of continuous improvement. Qualifications: Bachelor's degree in Computer Science, Engineering, or related field. 3+ years of professional experience in Java development. Solid understanding of Kotlin and experience in using it for building robust applications. Proficiency in the Spring framework, including Spring Boot. Hands-on more »
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Contract Java Software Engineer EFX

London, England, United Kingdom
McGregor Boyall
A Global Investment Banking firm seeks several Java Software Engineers. The successful applicant will be working on the firm's FX RFQ streaming franchise and Venue connectivity utilising Java, FIX, and Tibco/Solace Messaging. Job Responsibilities/Role: Building ultra-low latency connectivity to different ECN … FX venues such as 360FX, FX Connect, Bloomberg etc. Utilising Java low-latency software and hardware techniques Drive the development of a high-performance and scalable technology platform Server-side development with Java Key Technical and Background required: Very strong core Java - including threading, sockets/… is useful. Middleware such as Tibco RV, Solace, Aeron Knowledge of eFX/Rates E-Trading Venues is desirable. Experience working with large financial software systems. Knowledge of eTrading RFQ Tag Values McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. more »
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Full-Stack Software Engineer (Mid) - React OR Vue + Java OR Kotlin - £65,000 - 2 days in London Office per Month - Renewable Energy Company

London Area, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
A leading company in the Renewable Energy space are on the hunt for a Full-Stack Software Engineer to join their highly skilled engineering team! They are a company who are HUGE on innovation and quality engineering and require an experienced set of hands to join their diverse … grow & excel. They heavily promote a collaborative, open & team orientated culture that promotes innovation and forward thinking! They are looking for a Full-Stack Software Engineer who comes with a engineering background using Vue OR React on the Frontend & Kotlin OR Java on the backend. Experience working more »
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Java Software Engineer

London Area, United Kingdom
Persistent Systems
over 94% of our employees approve of the CEO, and 89% would recommend working at Persistent to a friend. About Position and details: Role: Java Developer Location: Harbour Exchange Square, London Mode: Hybrid(2-3days) Experience: 2 to 8 years Job Type: Permanent role Job description Core java … meets desired standards. Be part of the Level 3 support team and provide timely support for the production environment. Required Professional and Technical Expertise: Software engineering experience designing Enterprise Applications with Java(1.8 or higher) Experience with Spring Boot, Spring data JPA/hibernate/spring jdbc or more »
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Java Team Lead Software Engineer Developer AWS Glue London

London, United Kingdom
Hybrid / WFH Options
Joseph Harry Ltd
Java Team Lead (Architecture Programmer Developer Java Python Software Engineer Data Enterprise Engineering Developer Programmer AWS GCP Python Athena Glue Airflow Ignite JavaScript Agile Pandas NumPy SciPy Spark Dremio Apache Iceburg Iceberg PySpark MWAA Arrow DBT gRPC protobuf Snowflake TypeScript Manager Finance Trading Front Office Investment … Equities Commodities Derivatives Hedge Fund) required by my asset management client in London. You MUST have the following: Advanced ability as a hands-on Java Team Lead/Principal Engineer/Engineering Manager Leadership experience: you must have led small teams on the delivery of projects AWS (EC2 … ECS, EKS, Glue) Python SQL Spark MWAA/Airflow Agile The following is DESIRABLE, not essential: Iceberg DBT Trading, Front Office finance Role: Java Team Lead (Architecture Programmer Developer Java Python Software Engineer Data Enterprise Engineering Developer Programmer AWS GCP Python Athena Glue Airflow Ignite JavaScript more »
Employment Type: Permanent
Salary: GBP Annual
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Java Software Engineer

London Area, United Kingdom
trg.recruitment
Java Software Engineer (Mid level) - Core Java, Kafka, Kubernetes, Rest API's, Microservices, Complex architecture I’m looking for a strong Java developer to hire into a world leading global digital payments company. You’ll be working on a variety of super interesting technical challenges … great role for you. Up to £100k Total Compensation, with an excellent benefits package and pension. Hybrid in London. If you: Have strong Core Java skills Enjoy working on complex challenges at scale Are looking for a role with great career growth opportunities Then I’d like to hear more »
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Java Software Engineer
London
10th Percentile
£60,000
25th Percentile
£77,500
Median
£115,000
75th Percentile
£148,750
90th Percentile
£158,250