151 to 175 of 313 Java Jobs in London

Backend Software Engineer Kotlin Java Spring Boot

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Backend Software Engineer/Developer (Kotlin Java Spring Boot) London/WFH to £80k Are you a backend focused technologist with real-time financial systems experience? You could be progressing your career as a Backend Software Engineer at a highly successful financial software house whose award winning software enables customers … financial services environment working on complex real-time systems You have commercial server side development experience using Kotlin, likely to be from a Java background You have experience with Spring Boot and microservices You have experience with messaging technologies such as Kafka, FIX, RSocket, Protobuf You have strong knowledge ...

Senior Java Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
Senior Java Engineer - Permanent Salary: 55k-65k Working Arrangement: Fully Remote Tech Stack: Java, Spring Boot and Cloud Platforms(AWS, Azure and GCP) Desirable - Python and JavaScript I am currently working with a leading software software consultancy working with the government for a Senior Java Engineer click apply for full ...

Java/Scala Developer

Hiring Organisation
FDM Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
About The Role FDM is a global business and technology consultancy seeking a Java/Scala Developer to work for our client within the Investment Banking/Financial Services sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role that will … Capture and Post-Trade Processing platform for Securities Finance transactions (Repo, Securities Lending, Buy/Sell Backs). Develop and enhance backend services using Java and Scala, contributing to both greenfield build and migration from legacy systems. Participate in architecture and system design discussions, including breaking down problems and justifying ...

Senior Java Developer - Electronic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
months (extension likely) Working Model: Hybrid Level: Senior/VP-equivalent individual contributor Overview A leading global financial services organisation is seeking a Senior Java Developer (Contract) to join its Electronic Fixed Income (eFI) Technology team. This role sits in a front-office electronic trading environment , focused on building … optimising low-latency, high-performance Java trading systems used by institutional clients. A core part of the engagement will be supporting the rollout and optimisation of TransFICC connectivity , alongside ongoing performance improvements across pricing, RFQ, execution, and market-data workflows. Required Experience Extensive background in electronic trading systems Strong ...

Data Engineer (Apache Spark) - (Financial Services)

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, UK
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 … management 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 ...

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 ...

Site Reliability Engineer

Hiring Organisation
Purview Consultancy Services Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
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 ...

VP, AI-Driven Developer Tools & Code Quality

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
This role focuses on developing tools to enhance developer productivity through AI-driven coding assistants. Candidates should possess a strong background in programming (Python, Java), AI technologies, and team collaboration. The position offers comprehensive health benefits, generous vacation entitlements, and opportunities for professional growth within a dynamic team environment. #J ...

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
pacedscaleupenvironment,workingalongsideexperiencedengineerstobuildandscaleinnovativeproductsusedbycustomersglobally. Whatyoullbedoing BuildingandshippingfeaturesforamodernSaaSplatform Collaboratingwithexperiencedengineers,productmanagers,anddesigners Writingclean,scalable,andwell-testedcode Contributingtoarchitectureandtechnicaldiscussions Learningmodernengineeringpracticesinahigh-performingteam Whatwerelookingfor RecentgraduatefromaTop4UKuniversity (e.g.UniversityofOxford,UniversityofCambridge,ImperialCollegeLondon,orUniversityCollegeLondon) DegreeinComputerScienceoracloselyrelatedtechnicaldiscipline Strongunderstandingofsoftwareengineeringfundamentals Passionforbuildingtechnologyandsolvingcomplexproblems ExperiencewithprogramminglanguagessuchasPython,Java,Go,orJavaScriptisaplus Strongproblem-solvingandcommunicationskills Whatsonoffer Salaryupto £70,000 Hybridworking( 3daysperweekintheLondonoffice ) Hugelearningandgrowthopportunities ChancetomakearealimpactinascalingSaaScompany Ifyou'rea topgraduatelookingtolaunchyourengineeringcareerinahigh-growthscaleup ,wedlovetohearfromyou. Software,Python,Graduate,Developer,Development ...

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 ...

Technical Lead

Hiring Organisation
Third Nexus Group Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £105000/annum
leadership, architecture, and hands-on coding capability, with close engagement in client-facing and pre-sales activity. What good looks like: Strong engineering foundation (Java, .NET, or similar modern stack) Comfortable being hands-on in code when needed (e.g. CI/CD, Terraform, Kubernetes) Proven experience leading teams and mentoring ...

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. ...

Quality Analyst - Mobile

Hiring Organisation
Lorien
Location
London, UK
Business Knowledge. Strong and clear Communication Skills. Experienced working within Banking/Ecommerce. xehkeey 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 ...

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 ...

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 ...

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 ...

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 ...

Head of Data Science

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
performance, scalability and reliability (e.g. DORA metrics). Strong Python background and comfort working across modern engineering ecosystems (our systems are written in TypeScript, Java, Golang, Rust, Python and others). Confident operating at senior leadership level and influencing across functions. Desirable: Google Cloud Platform including BigQuery & AI Platform. Bayesian ...

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
Contract Rate
GBP Annual
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 ...