Java Jobs in London

126 to 150 of 336 Java Jobs in London

Java/Python Engineer (AVP)

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
under the guidance of senior team members Key Skills and Experience required - A strong academic background in Computer Science, Engineering, Data Science, or a related technical discipline Proficiency in Java or Python Strong written and verbal communication skills Proactive learner with the ability to self-teach new tools and technologies; an ability to educate others Familiarity with the Linux command More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Java Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Eligo Recruitment
Contract Back-End Java Engineer – Remote – up to £650 per day 12-month contract (with potential extension) Are you an experienced Back-End Java Engineer with proven experience in the gambling industry This is a fantastic opportunity to work on large-scale, high-traffic platforms for a well-known operator, delivering critical back-end services in a modern, distributed environment.This … is a fully remote contract (UK based), initially for 12 months with strong potential to extend.Key Requirements You have strong commercial experience with Java and frameworks such as Spring/Spring Boot. You bring solid cloud experience (preferably AWS) and are confident working with Kubernetes and Docker . You’re skilled with messaging systems and APIs (Kafka, ActiveMQ, JMS, REST … services that power high-traffic gambling platforms. Contributing to the design and architecture of distributed systems that need to be fast, scalable, and secure. Writing clean, reusable, and reliable Java code that follows best practices. Working with databases, caching, and messaging systems to ensure smooth performance and real-time gameplay. Collaborating with Product, QA, Front-End, and DevOps teams to More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Quant Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Huxley
Python Developer to join their team.The role will be working within a LNG, Power, Gas team.Requirements: Python Development Libraries - Pandas, Numpy, SciPy Preference for multiple language (C#, C++, Rust, Java) Quantitative development. Commodities experience, LNG, Gas, Power would be a bonus. An understanding of DevOps, specifically Azure cloud experience would be a bonus. This is a initial 12 Month contract More ❯
Employment Type: Contractor
Rate: £900 - £1,000 per day
Posted:

Quant Developer

London, United Kingdom
Hybrid / WFH Options
Huxley Associates
to join their team. The role will be working within a LNG, Power, Gas team. Requirements: Python Development Libraries - Pandas, Numpy, SciPy Preference for multiple language (C#, C++, Rust, Java) Quantitative development. Commodities experience, LNG, Gas, Power would be a bonus. An understanding of DevOps, specifically Azure cloud experience would be a bonus. This is a initial 12 Month contract More ❯
Employment Type: Contract
Rate: £900 - £1000/day
Posted:

Cloud Application Developer

London, United Kingdom
Sanderson Recruitment Plc
aside from offering a very strong package, offer an excellent development programme, with a real willingness to support both financially and otherwise. Tech wise, we have requirement for both Java and Python Back End languages, and cloud experience would also be very helpful indeed. AWS is by far the most prevalent, but we will look at individuals with transferable experience More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Cloud Application Developer

South West London, London, England, United Kingdom
Sanderson
aside from offering a very strong package, offer an excellent development programme, with a real willingness to support both financially and otherwise. Tech wise, we have requirement for both Java and Python backend languages, and cloud experience would also be very helpful indeed. AWS is by far the most prevalent, but we will look at individuals with transferable experience in More ❯
Employment Type: Full-Time
Salary: £50,000 - £65,000 per annum
Posted:

Senior Software Engineer - Tooling (Bazel)

London, United Kingdom
Apple Inc
to participate in the Bazel open source community. Preferred Qualifications Have used any of these technologies we tend to focus on: Build tools: Bazel, Gradle, Buildbarn. Languages: Starlark, Go, Java, Python, Rust, Bash. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# Pricing Services Analyst/Developer

Central London, London, England, United Kingdom
Reed
The successful candidate will be instrumental in developing low-latency, scalable systems and ensuring their seamless integration into real-time trading platforms. Required Skills & Qualifications: Highly experienced in C#, Java, and Quant Library development, particularly within a fast-paced, agile environment. Solid understanding of mathematics as applied to derivatives risk and pricing. Experience working with traders, quants, and risk managers More ❯
Employment Type: Full-Time
Salary: £110,000 - £120,000 per annum, Inc benefits
Posted:

GRADUATE SOFTWARE DEVELOPER

London, United Kingdom
Reply, Inc
ll have opportunities to further develop your own expertise as a multi-skilled consultant About the candidate: Good knowledge of IT and Software Engineering Hands-on skills in Core Java, J2EE, JEE, Spring Boot and/or Apache Camel is a plus Strong communication skills and the ability to communicate appropriately at all levels of the organization and preferably some More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Architect - Big Data and DevOps (f/m/d)

London, United Kingdom
Stackable
Airflow, Opensearch Proficiency in cloud-native technologies such as containerization and Kubernetes Strong knowledge of DevOps tools (Terraform, Ansible, ArgoCD, GitOps, etc.) Proficiency in software development using Rust (ideally), Java, or Python Experience with Solution Architecture and designing enterprise-grade data platforms Understanding of networking, security, and access controls in on-premenvironments. Fluent English skills More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

E-Trading Quantitative Developer

London, South East, England, United Kingdom
Lorien
communication/relationship management skills.* Computer literate and a good understanding of relevant software used by the eFIC team at the relevant time. Expert knowledge of a computer language (Java) and analysis tool (Python). Carbon60, Lorien & SRG - The Impellam Group STEM Portfolio are acting as an Employment Business in relation to this vacancy. More ❯
Employment Type: Full-Time
Salary: Salary negotiable
Posted:

Programmer / Analyst - User Acceptance Testing

London, South East, England, United Kingdom
Adecco
skills to provide insights that inform strategic decisions. What We're Looking For: To thrive in this role, you should have: A solid background in programming languages such as Java, Python, or C#.Experience with data analysis and database management (SQL preferred).Strong problem-solving skills and the ability to think critically.Excellent communication skills to convey complex ideas clearly and effectively.A More ❯
Employment Type: Contractor
Rate: £377 - £418 per day
Posted:

Senior Solution Architect

London, United Kingdom
Emergn
Cloud solution design and usage patterns. As well as legacy solution cloud modernization. First-hand experience of developing solutions in all phases of the Software Development Lifecycle (preferably on Java-based platforms) Excellent problem-solving and analytical skills. Excellent customer-facing skills with experience of presenting to and building relationships with stakeholders at all levels. Awareness of best industry practices More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Programmer / Analyst - User Acceptance Testing

London, United Kingdom
Adecco
skills to provide insights that inform strategic decisions. What We're Looking For: To thrive in this role, you should have: A solid background in programming languages such as Java, Python, or C#. Experience with data analysis and database management (SQL preferred). Strong problem-solving skills and the ability to think critically. Excellent communication skills to convey complex ideas More ❯
Employment Type: Contract
Rate: £377 - £418/day
Posted:

Senior Embedded Software Engineer, Cocca

London, United Kingdom
Amazon
team. Experience contributing to the architecture and design (architecture, design patterns, reliability and scaling) of new and current systems. Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design. Experience in professional, non-internship software development. Experience in development in the last 3 years. Preferred Qualifications Bachelor's degree in computer science More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Applied Scientist , RBS Tech

London, United Kingdom
Amazon
be an expert in either Computer Vision or NLP and have a good understanding of the both. - 3. Strong working knowledge of programming languages such as C/C++, Java, or Python. - 4. Proven ability to relate to and solve business problems through machine learning, data mining and statistical algorithms - 5. Published and/or presented papers at ACL, ICML More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Data Engineer

South East London, London, United Kingdom
Inspiring Search
Actions, and CI/CD pipelines. Nice to have: Experience with GCP (BigQuery, Dataflow, Composer, Pub/Sub) or AWS. Familiarity with Snowflake. Knowledge of object-oriented programming (Kotlin, Java, or C#). Retail data experience (sales, inventory, or related datasets). What would make you a great fit: Collaboration: You believe the best results come from working together. You More ❯
Employment Type: Permanent
Salary: £70,000
Posted:

Equities Low Latency Java Algo Developer (Vice President) - London

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
technology. The ideal candidate will possess: Financial Markets Expertise: Demonstrated prior software development experience within financial markets, preferably with exposure to electronic trading systems or low-latency environments. Core Java Proficiency: Expertise in Core Java development (version 1.8 or higher), with a deep understanding of its ecosystem, best practices, and performance characteristics. Advanced Data Structures & Concurrency: Excellent command of data More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

UI Development Lead

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
and empowered to thrive. Job Family Group: Technology Job Family: Applications Development Time Type: Full time Most Relevant Skills Please see the requirements listed above. Other Relevant Skills Angular, Java, Microsoft .NET Development, TypeScript, WPScan. Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior QA Engineer

London, United Kingdom
Sequel Business Solutions Ltd
a robust log of all test cases and test results Ensure that all tests are executed and give regular feedback to the team on the status of quality RestAssured, Java, TypeScript, Jenkins - to deliver efficient and reliable automated tests. Discuss with analysts and designers the details of the implementation so that the changes work for our users. Collaborate with other More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Cyber Threat Lead

London, United Kingdom
WeAreTechWomen
Preparation for the Cyber Environment (IPCE), and the Threat Intelligence Lifecycle Detection Engineering and Alert Development Experience with Scripting and Programming - e.g. Python/Bash/c/C Java Core cybersecurity concepts such as network security, cryptography, cloud security, forensics Understanding of network protocols and how they can be abused by attackers Up to date knowledge of the most More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Developer

London, United Kingdom
N Consulting Limited
LocationBloomsbury Square, London, United Kingdom# Senior Java Developer at N Consulting LtdLocationBloomsbury Square, London, United KingdomSalary£400 - £450/dayJob TypeContractDate PostedSeptember 12th, 2025Apply NowWork mode: Hybrid, Office location will be Bishopsgate, London Contract duration: 6 months Location: London - JOB DETAILS Role Title: Senior Developer We are seeking a highly skilled and experienced Senior Developer with deep expertise in AWS … BluAge modernization tools, Java Spring Boot, and Apache Kafka. The ideal candidate will play a key role in modernizing legacy applications, building scalable microservices, and implementing real time data pipelines. Must have technical skills: AWS BluAge Kafka Java Springboot Nice to have skills: Good to have some knowledge on banking domain Responsibilities: Solution design To Involve in all SDLC Excellent More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Developer Java AWS React - Fintech

City of London, London, United Kingdom
Hybrid / WFH Options
Client Server
Full Stack Developer/Software Engineer (Java AWS React) London/WFH to £110k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance and technology entrepreneurs with … time, meeting up with colleagues in London; as the company grows there will likely be some in office requirements but with lots of flexibility. About you: You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface/front end development using React or Tailwind CSS You have a strong knowledge of modern software … communication skills Ideally you will have a good understanding of Financial Services/Open Banking What's in it for you: As a Full Stack Developer/Software Engineer (Java AWS React) you will receive: Up to £110k Significant stock options Apply now to find out more about this Full Stack Developer/Software Engineer (Java AWS React) opportunity. At More ❯
Employment Type: Permanent, Work From Home
Posted:

Full Stack Developer Java AWS React - Fintech

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Full Stack Developer/Software Engineer (Java AWS React) London/WFH to £110k Are you a technologist looking for an opportunity to be part of something big from the start? You could be progressing your career in an impactful role at a newly established Fintech start-up, set up by a small team of finance and technology entrepreneurs with … time, meeting up with colleagues in London; as the company grows there will likely be some in office requirements but with lots of flexibility. About you: You have strong Java, AWS and Kubernetes skills and also have a good appreciation of user interface/front end development using React or Tailwind CSS You have a strong knowledge of modern software … communication skills Ideally you will have a good understanding of Financial Services/Open Banking What's in it for you: As a Full Stack Developer/Software Engineer (Java AWS React) you will receive: Up to £110k Significant stock options Apply now to find out more about this Full Stack Developer/Software Engineer (Java AWS React) opportunity. At More ❯
Employment Type: Full-Time
Salary: £85,000 - £110,000 per annum
Posted:

AVP Java and Python developer

London, United Kingdom
Barclays
Join as an AVP Java and Python developer and be involved in building the technology platform supporting the Barclays Quantitative Investment Strategies business (QIS). The team is working on a multi-year transformation programme to build a more capable, streamlined, and high performance platform, as a key enabler for the ambitious expansion of the Barclays QIS business. To be … successful as an AVP Java/Python developer within this team, you should have experience with: Java development - Core Java, Collections, Multi-Threading and Concurrency, OOPS concepts, Exception Handling, JVM Concepts, Spring Framework (Spring Boot), SQL Python development - Python, service frameworks FasAPI/Flask/Gunicorn, OOPS concepts, Exception Handling, Data Analysis and data structures/pandas/numpy; Data More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
Java
London
10th Percentile
£57,500
25th Percentile
£75,000
Median
£105,000
75th Percentile
£134,500
90th Percentile
£142,500