151 to 175 of 285 Java Jobs in London

Data Engineer (Apache Spark) - (Financial Services)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £700 per day
performance, reliability, and scalability.The role is focused on building nonperformance Apache Spark jobs, with a strong emphasis on performance optimisation. It is primarily Java-based, with Python strongly encouraged; experience across Java, Python, and Scala is ideal, with Java and Python being the preferred combination.The role sits within a small … responsibilities. What you'll need to succeed Strong hands-on experience with Apache Spark - Writing and tuning Spark jobs/PySpark development experience Strong Java or Java Spring boot development background Experience with programming in Python or Scala Exposure to Big Data technologies and distributed data processing Working with containerised ...

Embedded Software Test Engineer

Hiring Organisation
Expert Employment
Location
North London, Garden Suburb, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Full Packagy
Understanding of the Software Development Lifecycle, especially testing and integration Experience testing Windows and PC-based software Knowledge of scripting or programming (Python, Bash, Java, etc.) Degree in Engineering, Computer Science, or related field ...

Graduate Software Engineer - Top 4 UK University Graduates

Hiring Organisation
REVYBE IT RECRUITMENT LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Writingclean,scalable,andwell-testedcode Contributingtoarchitectureandtechnicaldiscussions Learningmodernengineeringpracticesinahigh-performingteam Whatwerelookingfor RecentgraduatefromaTop4UKuniversity (e.g.UniversityofOxford,UniversityofCambridge,ImperialCollegeLondon,orUniversityCollegeLondon) DegreeinComputerScienceoracloselyrelatedtechnicaldiscipline 3 A*'s minimum at A-Level. Strongunderstandingofsoftwareengineeringfundamentals Passionforbuildingtechnologyandsolvingcomplexproblems ExperiencewithprogramminglanguagessuchasPython,Java,Go,orJavaScriptisaplus Strongproblem-solvingandcommunicationskills Whatsonoffer Salary starting at £70,000 Hybridworking( 3daysperweekintheLondonoffice ) Hugelearningandgrowthopportunities ChancetomakearealimpactinascalingSaaScompany Ifyou'rea topgraduatelookingtolaunchyourengineeringcareerinahigh-growthscaleup ,wedlovetohearfromyou. Software,Python,Graduate,Developer,Development ...

Quality Analyst - Mobile

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
strong Business Knowledge. Strong and clear Communication Skills. Experienced working within Banking/Ecommerce. Knowledge and Experience of: Test Case Management Jira/Zephyr Java/Appium IND_PC3 Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

Oracle EBS Senior Technical Consultant

Hiring Organisation
cer Financial Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£405 - £690 per day
successful candidate will have: Oracle EBS R12.2 (GL, AP, FA), SQL/PLSQL, Reports/Forms, BI Publisher, Workflow, OAF, Unix scripting APEX, Java, AME, Oracle Integration Cloud (OIC) Full lifecycle EBS Financial implementations Translate business requirements into technical solutions Troubleshoot and support complex customizations ...

Solutions Engineer

Hiring Organisation
Nicoll Curtin
Location
London Area, United Kingdom
integration, or technical consulting (SaaS environment preferred). Experience with REST APIs , systems integration , and SQL . Proficiency in any mainstream programming language (Python, Java, JavaScript, C, etc.). Ability to explain technical concepts clearly to technical and non‐technical stakeholders. Experience working directly with customers. Italian language skills ...

C# Developer

Hiring Organisation
Apex Systems US
Location
Bromley, Greater London, Bromley Town, United Kingdom
Employment Type
Contract
Contract Rate
£50 - £55/hour
limited to the following: ROLE/RESPONSIBILITIES Develop a thorough understanding of our entire technology stack Design and develop new features within existing Java services; create new services to expand the overall framework Contribute to future design and architecture Plan work in an agile manner with other team members Write ...

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 ...

Power Platform Developer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £540/day Inside IR35
integration experience across Microsoft technologies. Azure experience, including pipelines for deployment. Ability to communicate clearly with team members and stakeholders. Scripting experience with Java, PowerShell, and JSON. Teams is working across multiple platforms and domains, including back office, middle office, lending, and compliance. Disclaimer: This vacancy is being advertised ...

Blue Prism Developer

Hiring Organisation
Rec3 Global Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£60,000
explain tech clearly to non-technical stakeholders. Bonus points: Agile team experience, exposure to other RPA tools, or software engineering background (C#, C++, Java). This is your chance to join a team that moves fast, delivers impact, and embeds automation across a global enterprise . If youre ready ...

Head of Data and AI Engineering

Hiring Organisation
JSS
Location
City of London, London, United Kingdom
engineering teams Collaborate with stakeholders across the business Experience Required Proven leadership in data or AI engineering Strong technical background (Python, or Go/Java/Scala) Experience delivering cloud-native data/AI platforms Deep knowledge of GCP (BigQuery, Dataflow, Pub/Sub, Vertex AI) Experience with LLMs (e.g. ...

Junior Quantitative Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£45,000 - £65,000 per annum
across our engineering hubs (London, New York City, and Sydney) About You Professional experience programming in a strongly typed programming language such as C#, Java, C++, Go, or Rust Working knowledge of producing quantitative applications targeting at least one major asset class (e.g. Credit, Rates, FX, Equities, Commodities, etc.) Degree ...

Engineering Manager

Hiring Organisation
La Fosse
Location
London Area, United Kingdom
setting clear direction while staying close enough to the code to guide architecture and best practices. Ideally you will have managed teams working with Java and modern backend technologies, a proven track record of leading engineers, and a pragmatic, calm approach to problem-solving. Technical Requirements Strong previous commercial experience … with Java/managing JVM engineers Promote DevOps (build/run it) methodology and practices Experience designing and delivering microservices-based architectures Solid understanding of CI/CD pipelines , including build automation, testing, and deployment Familiarity with modern engineering practices: automated testing, infrastructure as code, monitoring, and observability Technology Stack ...

Web Application Developer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
ideal candidate will have strong expertise in modern web frameworks, Azure services, and secure application development practices. This role involves working on a Java/Spring-based platform hosted on AKS, ensuring scalability, security, and performance. Key Responsibilities: Design and develop responsive web applications using Angular , React , or Next.js with … Tailwind CSS . Implement secure authentication and authorization using Microsoft Azure AD B2C (OIDC/OAuth2, MFA). Integrate with backend services built on Java Spring Boot running on AKS . Work with Azure Database for PostgreSQL and implement RBAC + ABAC for data isolation and security. Configure and manage ...

Credit eTrading Developer (Java)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£700 - £750 per day
Credit eTrading Developer (Java) Duration : 12 Months (with renewals) Pay Rate : £750 (inside) Location : London - 4 days a week in the office I'm currently supporting a leading financial services consultancy that partners closely with front-office trading teams to deliver high-performance electronic trading solutions. This role sits within … electronic trading Participating in peer code/design reviews Supporting QA teams and resolving production issues with a strong feedback loop Upgrading systems to Java 17, modern frameworks, and the Solace messaging platform Key Responsibilities Develop, optimise, and maintain server-side Java services for low-latency trading Implement multi-stream ...

Java Developer

Hiring Organisation
Qualient Technology Solutions UK Limited
Location
London, United Kingdom
Employment Type
Contract
services listed below:- S3 Athena Glue- Lambda DynamoDB OpenSearch CloudFormation API Gateway ECS CloudWatch Programming and Core Services • Fluency in Kotlin/Java, NodeJS, TypeScript • SQL Databases: Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC ...

Back End Developer / SRE Java JVM - Fintech

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Back End Developer/SRE (Java JVM) London/WFH to £110k Are you a Back End Developer/SRE with a strong knowledge of Java and JVM internals? You could be progressing your career in an impactful role at a global Fintech that has been consistently voted … advisor to influence system design, ensuring reliability standards and driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such ...

Pentaho Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 600 Daily
week Duration of Assignment: 06 Months The Role In this role, you design and develop ETL workflows using Pentaho Data Integration, writing and optimizing Java and SQL code to support efficient data processing click apply for full job details ...

Salesforce Engineer | £400 – £450 | Outside IR35 | 6 Months | Remote First

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
testing Drive modern engineering practices and support AI-assisted development tools Resolve technical debt, improve performance, and ensure scalable architecture Requires strong Salesforce Apex, Java, CI/CD, integrations, automation, and refactoring experience Previous experience working in Fintech or regulated environments is beneficial What to do next If this Salesforce ...

Quantitative Analyst

Hiring Organisation
Spectrum It Recruitment Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

SAP Technical Architect

Hiring Organisation
Intuition IT Solutions Ltd
Location
London, United Kingdom
Employment Type
Any
Salary
GBP Annual
implementations (Employee Central, Payroll integration, Provisioning/OData APIs, extensions). Oversee custom development: ABAP (RAP, CDS, AMDP), SAPUI5/Fiori, BTP services, and Java/Node integrations where applicable. Define non-functional requirements: performance, availability, security, compliance, backup/recovery. Establish coding standards, CI/CD pipelines, transports ...

Quantitative Analyst

Hiring Organisation
Spectrum IT Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £120,000 per annum
well as very competitive salaries, our client offers an excellent working environment. Skills required: Proficient in several of the following: Python, C#, C++, Java Mathematical Modelling Mathematical skills, particularly a keen understanding of probabilities and statistics Analytic mindset Strong communication skills Accuracy and attention to detail Experience in data science ...

Principal Engineer

Hiring Organisation
Gravitas Recruitment Group (Global) Ltd
Location
City of London, London, United Kingdom
deliver complex, high-value initiatives Mentor senior engineers and influence technical direction across teams What They’re Looking For Strong backend development experience using Java and Spring Boot Deep experience with Elasticsearch. Proven track record designing scalable, distributed systems Experience operating across multiple teams or domains Strong stakeholder management ...

Android Developer (Contract)

Hiring Organisation
La Fosse
Location
London Area, United Kingdom
maintainable code Participate in code reviews and mentor junior engineers Contribute to CI/CD pipelines and release processes Technology Stack Languages: Kotlin (primary), Java (legacy) Architecture: MVVM, Clean Architecture UI: XML and/or Jetpack Compose Networking & Data: REST APIs, Retrofit, Coroutines/Flow Android: Jetpack (ViewModel, Navigation) Testing ...

T24 Developer - Transact

Hiring Organisation
Hireful
Location
Central London, London, United Kingdom
Employment Type
Permanent
. Excellent understanding of T24 TAFJ running on MS SQL database. Understanding the challenges of upgrading T24 from the TAFC/jBase environment. Excellent Java development skills for T24. Solid experience in T24 integration, interfacing and customisation of Browser Excellent opportunity to join a great bank for the long term ...