126 to 150 of 542 Java Jobs in London

Senior QA / Automation Engineer – Trading Systems

Hiring Organisation
Albert Bow
Location
London Area, United Kingdom
highly integrated systems in a regulated environ ment Requirem ents:10+ years of experience in QA/Test Autom ationStrong hands-on experience with Java (Spring Boot environm ents)Expertise in automation tools such as Selenium and RestAs suredProven background in trading platforms, exchanges, or financial sy stemsStrong understanding ...

Senior Solution Architect

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £130,000 per annum
Azure, AWS, or GCP) Integration Design & APIs Microservices Domain-Driven Design (DDD) Event-Driven Architecture Technical Leadership Stakeholder Management Technical Experience .NET/C# Java Python JavaScript/TypeScript Azure, AWS, or Google Cloud If you're the person people call when systems, stakeholders, and strategy all collide ...

Site Reliability Engineer

Hiring Organisation
Computappoint
Location
City Of London, England, United Kingdom
skills in Python , Bash, or PowerShell Familiarity with observability tooling and SRE principles SQL and database knowledge (MySQL, Oracle, or similar) Experience supporting .NET, Java, or microservices applications It would be great if you had: ITIL v3/v4 certification or ServiceNow experience Knowledge of Swift payment flows or financial ...

Tester - Infrastructure, Manual & Automation

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum Bonus, Pension, etc
best practices and process improvements. Essential Skills 3+ years' testing experience within enterprise environments. Strong manual testing experience with exposure to automation. Experience testing Java and Oracle web applications. Windows 11 Evergreen testing experience. Experience with APIs, integrations and data migration testing. Familiarity with Azure, AWS or on-prem infrastructure. ...

Tester

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£275 - £300/day
Minimum 3 years' experience in testing within large enterprise environments. Strong manual testing experience with exposure to test automation. Experience testing enterprise applications, including Java and Oracle-based web applications. Experience supporting Windows 11 application testing within an Evergreen environment. Familiarity with cloud and infrastructure platforms (Azure, AWS and/ ...

Developer Golang

Hiring Organisation
CBTS
Location
City of London, London, United Kingdom
Client: Largest American Credit Card Company Location: Burgess Hill 3 days/week Years of Exp: 6-9 years Skills: Go, Java, Git, REST, Jenkins, NoSQL, Postgres/ql £40-£50/hr Inside IR35 Visa sponsorship is not available. We're looking for an enthusiastic, diligent Golang Software Engineer ...

Infrastructure Engineering Specialist

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day
with VMware technologies (ESX, vCentre, vCF), Windows/Linux/Mac server management, and containerisation (Kubernetes, VKS). * Strong scripting skills (PowerShell, Bash, Python, Java) and automation experience with tools like Ansible, Terraform, or Puppet. * Knowledge of network configuration, enterprise storage solutions (NetApp, EMC), and security monitoring tools (Elastic SIEM ...

Platform Engineer

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
/or multi-cloud set up is essential. Demonstrable basic development or scripting experience in one or more of the following languages: Bash, Python, Java, C#, Rust, Excel VBA Strong Linux/TCP IP network stack knowledge, as well as optimization/tuning Nice to haves Containerization (Docker/Kubernetes ...

Quantitative Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Market data and financial instruments Experience supporting Front Office or trading desks (highly desirable) 🛠️ Technical Skills Advanced programming skills in: Python (essential) C++/Java/C# (strongly preferred) Experience with: Object-oriented design and software engineering best practices Numerical methods (Monte Carlo, PDEs, stochastic calculus) Data structures, algorithms ...

Lead/Principle Software Engineer

Hiring Organisation
17918
Location
London, United Kingdom
operational responsibility for services owned by your team Skills and Experience Minimum of 5 years' experience delivering production-grade cloud solutions Strong proficiency in Java and experience with JVM-based languages such as Kotlin or Scala Experience working with Kafka or similar streaming platforms Background in Agile DevSecOps environments ...

DevSecOps Engineer

Hiring Organisation
167 Solutions Ltd
Location
North West London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
services such as: IAM ECS/EKS Lambda CloudWatch VPC Secrets Manager Security Hub GuardDuty Hands-on software development experience using: Python Go TypeScript Java (desirable) Strong Terraform and Infrastructure as Code experience. Experience building and maintaining CI/CD pipelines. Experience with Docker and Kubernetes. Strong understanding of secure ...

DevSec Ops Egineer

Hiring Organisation
167 Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £95,000 per annum
services such as: IAM ECS/EKS Lambda CloudWatch VPC Secrets Manager Security Hub GuardDuty Hands-on software development experience using: Python Go TypeScript Java (desirable) Strong Terraform and Infrastructure as Code experience. Experience building and maintaining CI/CD pipelines. Experience with Docker and Kubernetes. Strong understanding of secure ...

Test Lead - Avaloq

Hiring Organisation
Focus on SAP
Location
City of London, London, United Kingdom
Appium. Knowledge of software testing methodologies including: Functional Testing Integration Testing Regression Testing End-to-End Testing Technical understanding of SQL, PL/SQL, Java, Python, or C#. Strong stakeholder management, communication, and leadership skills. Experience working within Agile delivery environments. If you are interested or would like to know ...

Test Manager - Avaloq

Hiring Organisation
Focus on SAP
Location
London Area, United Kingdom
Appium. Knowledge of software testing methodologies including: Functional Testing Integration Testing Regression Testing End-to-End Testing Technical understanding of SQL, PL/SQL, Java, Python, or C#. Strong stakeholder management, communication, and leadership skills. Experience working within Agile delivery environments. If you are interested or would like to know ...

Technical Lead

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
City of London, London, United Kingdom
tools as part of day-to-day engineering. Technology background The ideal candidate will have experience with some of the following: Scala - highly desirable. Java/Kotlin. Go or Rust. TypeScript. Cloud-native engineering. Relational databases, SQL, and data modelling. DevOps practices and production ownership. A background in functional programming ...

Senior Software Engineer I - Stream Processing - Kafka & Flink

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
eager to learn more we do want to hear from you! Experience with Flink and/or Kafka Streams Experience building production code with Java and Spring. Experience with infrastructure automation tools. Experience building and operating distributed systems at scale. Interested? Find out more: How we work – a practical guide ...

Senior Software Engineer I - Onboarding Experience

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
87500 to 111000 GBP Annually
reviews and best practices. Actively collaborating with other teams and leading projects from the beginning till the release. What do you need? Experience of Java or other JVM based language, experience with Spring framework and deep understanding of JDBC and database internals. Experience with CI/CD pipelines and Distributed ...

Staff Software Engineer - Back End

Hiring Organisation
Capital One UK
Location
Islington, London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
technical debt across multiple teams Actively mentor and develop engineers, fostering a culture of continuous learning What we're looking for Deep expertise in Java Deep expertise in system design and distributed architectures Track record of leading technical initiatives across multiple teams Strong experience with cloud platforms (AWS, Azure ...

Software Engineer III

Hiring Organisation
Bank of America
Location
Greater London, United Kingdom
Employment Type
Full Time
Fixed Income asset classes. Strong understanding of front office workflows. Fluency in OO or Functional languages including but not limited to Python (preferred), C#, Java, or C++. Track record of success working in Agile environments (e.g. SCRUM, Kanban) and continuous integration. Excellent problem solving and analytical skills in a high ...

Senior Cyber Software Engineer/ Technical Lead

Hiring Organisation
BAE Systems
Location
Greater London, United Kingdom
Employment Type
Full Time
advanced understanding of computing principles (e.g. stack/heap distinction, compiled/interpreted languages). Proficiency with at least one solution language (e.g. C++, Java, C#) and one utility language (e.g. Python, JavaScript, Perl, PowerShell). Ability to use and configure more than one major operating system. Ability to pick ...

Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Agile processes and experience working across multiple teams It would be helpful if you also have experience with: Functional programming using Scala or Java, and/or modern front‐end frameworks such as Angular (2+) Infrastructure‐as‐Code, containerisation, Kubernetes and CI/CD Software delivered both on‐premise ...

Java Software Engineer (Active SC Clearance Required)

Hiring Organisation
Amber Labs
Location
City of London, London, United Kingdom
public sector. We specialise in helping organisations achieve digital transformation at pace while maintaining the highest security and governance standards. We are seeking a Java Engineer to join a delivery team building and enhancing cloud-native backend services within a modern enterprise environment. Role Overview The successful candidate will contribute … design, development, and support of Java-based applications using Spring Boot and AWS , working as part of an Agile, multidisciplinary team. Alongside strong backend engineering skills, the role requires practical SQL and reporting capability, enabling engineers to interrogate data and support business reporting requirements. This is a hands-on software ...

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
their goals. The 3 G’s of RE: “Get Shit Done.” “Get Over Shit.” “Give a Shit.” We are seeking an experienced and opinionated Java Developer to join our high-performing engineering team, working on l ow latency , high-throughput systems in the payments processing domain. This hybrid role … offers the opportunity to build scalable, real-time services using modern technologies. If you’re passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities : Design, develop, and optimize low-latency, high-throughput ...

Lead Java Developer

Hiring Organisation
Synechron
Location
Greater London, England, United Kingdom
identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. Job Description: Are you a hands-on Senior Java Engineer with a passion for AI, high-performance systems, and large-scale data platforms? We’re looking for an experienced engineer to help build … while shaping the adoption of AI-powered capabilities across internal platforms and client-facing products. What you’ll do Design, build, and maintain complex Java and Python applications Develop and embed AI-powered features using LLMs, LangChain/LangGraph, and agentic AI frameworks Architect scalable, distributed services for performance-critical ...

Senior Java Full Stack Developer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£675 - £800 per day
Contract Role - Senior Java Full Stack Developer – London/Hybrid – 10 months initial – Inside IR35 Role Overview: Job Title: Senior Java Full Stack Developer Location: Hybrid – 3- 4 days onsite per week in London Contract Type: Contract Duration: 10 months initial Rate: £675.11 per day PAYE … Umbrella Sector: Banking We are looking for a Java Full Stack contractor with strong engineering experience across backend, frontend, and delivery automation, with a particular emphasis on CI/CD automation and system integration . This role suits someone who is hands-on in Java full stack development ...