151 to 175 of 314 Java Jobs in London

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Wembley Central, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

ServiceNow Catalogue QA & Delivery Lead

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
management activities, ensuring timely delivery in Agile manner, tracking tasks and epics in JIRA as well as coordinating outcomes across teams ALM Octane, Python, Java is essential Nice to have : Experience as a Scrum Master is a plus. Proven track record in ServiceNow testing and administration. Ability to translate complex ...

Senior Contact Centre Engineer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
contact flow development experience. Software/tools experience: Wireshark, MS Office (Word, Excel, PowerPoint, Access), MS Outlook, Visual Studio Code. Software development experience in Java, C#.NET, Python, PHP, and/or modern web application development scripting/tools. Desirable: Knowledge of Amazon Web Services (AWS); certifications in Genesys, Cisco, Microsoft ...

SC Java Developer

Hiring Organisation
Sanderson Government and Defence
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Software Engineer Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing team. If you thrive in modern engineering environments and enjoy building scalable, high-quality services, this role will put your skills to work … meaningful, production-grade systems. What You'll Work On You'll be developing robust, secure, and efficient services using modern Java frameworks and tooling. Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives. Must-Have Skills Strong commercial experience with Java Hands-on expertise with RESTful ...

Senior Data Engineer x1/ Data Engineer x1 Financial Services

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £800 per day
data pipelines and infrastructure for analytics and integration across data platforms. Ensure data quality and reliability through automated validation, monitoring, and testing using Python, Java, or Scala. Develop and manage database architectures, including data lakes and warehouses. Clean, transform, and validate data to maintain consistency and accuracy. Collaborate with technical … lead 5involvement in at least one production-grade data system within financial services or a similarly regulated industry. Strong coding skills in Python or Java (Spring Boot); React experience is a plus. Proficiency with modern data tools: Airflow, Spark, Kafka, dbt, Snowflake or similar. Experience with cloud platforms (AWS, Azure ...

Junior Java Software Engineer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Junior Core Java Developer – Trading £70,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn't what this firm does, tech is. Our client is an innovative tech driven … order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 2-4 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don't have a comp sic degree ...

Lead Java Engineer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650/day Inside IR35 (Negotiable rate)
Lead Java Engineer 6 Months initial contract 3 Days per week on site in Canary Wharf £Market Rate (Inside IR35) As a Lead Java Engineer, you will be responsible for technical leadership and delivery of one or more Java and Data intensive applications that are key for achieving the business … robust technology environment with a clear appreciation of software development best practices and Agile releases trains Strong experience within server-side development in Java, SQL, Search Technologies, Messaging Technologies with a good understanding of Kubernetes, Dockers and preferably some exposure to GCP (Google Cloud Platform), ReactJS, Python, Big Data Technologies ...

Senior Golang/Java Security Engineer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£600 - £650 per day
Contract Role – Senior Golang/Java Security Engineer – London/Manchester/Glasgow/Hybrid – 12 months initial – Inside IR35 Role Overview: Job Title: Senior Golang/Java Security Engineer Location: Hybrid – 2 days onsite per week (London/Manchester/Glasgow) Contract Type: Contract Duration: 12 months initial Rate … Inside IR35) Sector: Banking Key Skills & Experience Senior Golang/Java Security Engineer experience with: Golang/Go or Java The software security landscape: CVEs, CWEs, common software vulnerability types SAST, SCA, and DAST, including the strengths and weaknesses of each At least one major cloud provider (e.g. ...

Mid-Level Java Software Engineer

Hiring Organisation
Quant Capital
Location
Greater London, England, United Kingdom
Level Java Developer – Trading £100,000 Plus Large Prop Bonus Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed, finance isn’t what this firm does, tech is. Our client is an innovative tech driven trading … order of multi millions not 3 guys in a shed. The role: This role and would suit a candidate with 5-7 years of Java Development experience. The successful candidate will be a top tier Java developer (or aspiring, half of the team don’t have a comp sic degree ...

Senior Java Software Engineer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
Senior Java Engineer (Core Java) £100,000 - £130,000 Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some of the most sophisticated technology … throughput distributed systems, solving complex engineering problems at scale within a collaborative, high-performing team. Key Responsibilities Design, build and maintain high-performance distributed Java services Contribute across design, development, testing, deployment and support Collaborate closely with other engineers to deliver customer-centric solutions Mentor and be mentored within ...

Software Engineer | High-Frequency Trading

Hiring Organisation
Fionics
Location
London, UK
Employment Type
Full-time
market data infrastructure Develop quantitative research platforms and tools Optimize performance-critical financial applications Requirements: 2+ years software engineering experience Strong C Python/Java skills Trading experience preferred but not essential Our network: Pay: $150K-$800K+ based on experience Locations: London, Remote Focus: Trading platforms, risk systems, data infrastructure ...

Full-Stack Developer

Hiring Organisation
Sanderson Recruitment
Location
South Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day + Inside IR-35
experienced Backend Developer to join a key public sector programme focused on delivering secure, high-performance systems that support critical government services. Required Skills * Java * Kafka Nice to Have Skills * Spring (Framework, Boot, Data) * Postgres * OpenSearch/ElasticSearch * NodeJS * Rest API * Wiremock (API mocking) Reasonable Adjustments: Respect and equality ...

Quantitative Analyst

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent
Bachelors degree in engineering, computer science or another technical related subject. programming proficiency with at least one major programming or scripting language (e.g. C++, Java, Python) high level of communication skills and ability to work efficiently with colleagues across multiple areas Additional desirable Qualifications for Quantitative analyst Knowledge ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, United Kingdom
clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused tech companies ...

Lead Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
accountable and sustainable cloud provider🌳 What they're looking for in a Lead Software Engineer: Tech agnostic but preferable experience working with Golang, Rust, Java and/or C/C++. In-depth knowledge of distributed systems, building solutions at scale where performance, reliability and availability are key considerations. Confident ...

Senior Software Engineer

Hiring Organisation
Morgan McKinley
Location
South London, UK
Employment Type
Full-time
years of professional software development experience Strong experience in Android OS development, embedded systems, or OS-level frameworks Hands-on experience with C++ and Java (Kotlin is a plus) Strong understanding of operating systems, system architecture, and low-level components Experience working with AOSP, OS internals, or embedded Linux environments ...

Machine Learning Engineer

Hiring Organisation
Mintus
Location
City of London, London, United Kingdom
degree in data analytics, or similar will be advantageous. At least two years' experience as a machine learning engineer. Advanced proficiency with Python, Java, and R code writing. Extensive knowledge of ML frameworks, libraries, data structures, data modeling, and software architecture. In-depth knowledge of mathematics, statistics, and algorithms. Strong ...

Palantir Consultant

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
knowledge of Palantir Foundry (Ontology, pipelines, apps, AIP); Palantir certifications desirable. Proficiency in at least one coding language (e.g., Python/PySpark, R, Java, SQL, Typescript) and experience with object-oriented design or software engineering. Strong understanding of data engineering, modelling, platform integration, UX design, and data visualisation. Excellent communication ...

Technical Lead

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
Work closely with product managers and business stakeholders to align technical direction with strategic goals Write high-quality, production-ready code using Kotlin or Java Lead by example through code reviews, architectural decisions, and continuous delivery practices Drive improvements in engineering practices, tooling, and team workflows Help scale backend infrastructure ...

Software Architect (Remote in UK)

Hiring Organisation
Orange Logic
Location
City of London, London, United Kingdom
years’ practical experience on a web-based application Proficient with English (both verbal and written) Proficient with any back-end programming languages (i.e. C#, Java, Python, C++, etc.) Outstanding knowledge of software and application design and architecture Highly analytical mindset, with an ability to see both big picture ...

Software Architect (Remote in UK)

Hiring Organisation
Orange Logic
Location
East London, London, United Kingdom
years’ practical experience on a web-based application Proficient with English (both verbal and written) Proficient with any back-end programming languages (i.e. C#, Java, Python, C++, etc.) Outstanding knowledge of software and application design and architecture Highly analytical mindset, with an ability to see both big picture ...

Full Stack Engineer

Hiring Organisation
The Profs
Location
London Area, United Kingdom
Support data-driven improvements through analytics and experimentation Essential Skills & Experience 2–5 + years experience as a Full Stack or Software Developer React Java JavaScript, HTML, CSS PostgreSQL Experience using Git in a collaborative environment Ability to communicate technical concepts clearly to non-technical stakeholders Strong written and verbal ...

Front Office C# Developer – Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
.Net experience and knowledge are essential for this role, but the fund will consider exceptional candidates who work with other likeminded OOP languages (C++, Java, Go). When it comes to financial markets experience, there is a particular interest in Fixed Income and Rates, but these are not essential, they ...

Senior C# Developer - Head of Core Platforms | 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 ...

Palantir Consultant

Hiring Organisation
Staffworx Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
OSDK/APIs Actions and AIP/agentic features Proficiency in at least one general-purpose programming language commonly used with Foundry (eg Python, Java or similar) for data transformations, services and integrations. Solid understanding of core data engineering concepts: batch/stream processing basics, data modelling, data quality ...