1 to 25 of 88 Permanent Java Jobs in Central London

Senior Java Software Engineer

Hiring Organisation
TetriQ Solutions
Location
City of London, London, United Kingdom
Please find the Job Description:- Role: Senior Java Developer Location: Farnborough/UK (Hybrid) Hybrid mode of work Exp range:8+ years Mandatory skills: Java Springboot, Java 17/11, AWS, Pipeline, Financial domain, Spark. JD: Java Tech Lead job involves leading and mentoring a Java development team, analyzing … conducting code reviews, troubleshooting complex technical issues, and driving innovation with new technologies. Key Responsibilities: • Team Leadership: Lead, mentor, and guide a team of Java developers in the development lifecycle. • Project Management: Oversee Java development projects from conception to completion, ensuring alignment with project requirements and timelines. • Technical Expertise: Design ...

Senior Software Engineer

Hiring Organisation
Hlx Life Sciences
Location
City of London, London, United Kingdom
code, testing, and CI/CD best practices Mentor junior engineers and support technical decision-making Required Skills & Experience Strong programming experience in Python, Java, or Go Experience building backend services, APIs, and distributed systems Strong knowledge of cloud platforms (AWS, GCP, or Azure) Experience with containerisation and orchestration (Docker ...

API Automation Engineer

Hiring Organisation
Impellam Group
Location
City of London, London, United Kingdom
Financial Services Lorien's leading banking client is looking for a skilled API Automation Engineer with strong experience of with Rest API testing in Java to join our London-based team. The ideal candidate would have experience of working with Cloud Technologies and Streams-process platforms. This role is based … Umbrella. Working in a Hybrid Model of 2 days a week on site. Key Skills and Experience Rest API automation testing in Java Java library and framework: Lombok, Spring Boot Stub testing experience: yaml, wiremock or Mockito, SOAP API testing Programming languages experience in OOP: Java or C# tools used ...

Full Stack Engineer ( Banking )

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
experience building modern web and mobile applications across frontend and backend Proficient with modern frontend frameworks (e.g. React, TypeScript) and backend technologies (e.g. Node.js, Java, Python, or similar) Solid experience with CI/CD pipelines and DevOps tooling (e.g. Jenkins, Ansible), with exposure to containers and Kubernetes Deep understanding ...

Senior Software Engineer

Hiring Organisation
GlobalLogic
Location
City of London, London, United Kingdom
Inside IR 35, hybrid working. Initially 6-9 months About the role: Experience with C#/.NET, other additional languages highly desirable ie Java, Python React/TypeScript RESTful API design Apache Kafka PostgreSQL Git/GitHub workflows Automated testing Experience with Kubernetes deployments; able to build CI/ ...

Mid/Senior/Staff Backend Engineer | Full stack, Data/AI | Greentech, B2B Logistics | Recent Series A Raise | Salary up to £160,000 + Equity, Bonus, Benefits | London, Hybrid (4 days PW)

Hiring Organisation
Owen Thomas | B Corp™
Location
City of London, London, United Kingdom
Benefits | London, Hybrid (4 days PW) Minimum 4 years experience working in high-performing software teams. Strong experience with any backend language (Python, Golang, Java, Node/Typescript) However must be willing to learn Python. Strong experience working with GCP, AWS or Azure. Deep understanding of backend systems, but also ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
will bridge the gap between product and real-world use, ensuring solutions deliver meaningful impact. Requirements: Strong programming skills in either: Backend: Python, C++, Java, Rust OR frontend: JavaScript/TypeScript (React, Angular, etc.) Strong communication skills and ability to work directly with users Willingness to travel Right to work ...

Java Software Engineer

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of $13 billion. Job Description- Job Title: Senior Java Engineer Must Haves- Java, Kafka, Microservices, Spring Boot, Postgres and AWS The Opportunity: We are looking for ambitious and motivated individuals who are keen … enabling customers to manage their finances and protect and build their financial futures. Purpose: To cope with our expansion, we are looking for Senior Java Engineers to join our mission and help us build a global product that's scalable, reliable and secure. You will work in tribes alongside product ...

AI Architect

Hiring Organisation
Uniting Ambition
Location
City of London, London, United Kingdom
ideally, experience governing AI models in production environments) Expertise across cloud platforms (AWS, Azure, GCP), Kubernetes, and containerised systems. Strong technical skills in Python, Java/Go, TensorFlow, PyTorch, and data engineering. Proven ability to engage directly with CxO-level stakeholders. Experience in MLOps, AI governance, and large-scale deployment. ...

Quality Assurance Automation Engineer

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
adoption and expansion of test automation across the wider QA community. Your Skills and Experience You bring • Strong commercial experience in QA automation using Java or Kotlin. • Hands‐on use of AI tools to enhance productivity. • A deep understanding of OOP principles. • Proficiency in HTML, CSS, JavaScript, and modern ...

ML/AI Software Engineer

Hiring Organisation
RedTech Recruitment
Location
City of London, London, United Kingdom
/AI Algorithm Engineer/Machine Learning Specialist/Vision Systems Engineer/AI/ML Software Developer/Computer Science/C/Java/Python/C#/JavaScript/Go/Golang/Kotlin/Docker/Programmer/Software Engineer/Software Developer/Programming/ ...

Global Banking & Markets - Trading Systems Support Engineer - Associate/Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Site Reliability Engineering (SRE) practices, including automation, monitoring, and incident response. Proficiency in at least one scripting or programming language (e.g., Python, Shell Scripting, Java, C++) for automation, tooling, and operational tasks. Experience with distributed systems design, maintenance, and troubleshooting. Knowledge of financial markets, electronic trading workflows ...

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 ...

Contract Senior Backend Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
help them scale up their AI platform and make a real impact. They are looking for an engineer with strong commercial use of either Java, Kotlin or Scala and proficiency with Python to help modernise their codebase. Responsibilities: Build and scale backend systems for AI-driven automation products Collaborate with ...

Senior WMS Developer

Hiring Organisation
VIQU IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Oracle or SQL Server) and Linux environments. Experience with integrations (SFTP, APIs, web services, message-based systems) and Git . Desirable: .NET/C#, Java, Centiro or other CMS, ServiceNow/ITSM tools , Agile/DevOps experience, ITIL/change management awareness. Additional Information Flexible hybrid working – candidates from anywhere ...

Technical Lead / Solution Engineer

Hiring Organisation
I3 Resourcing Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Experience Essential Strong Salesforce (Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background ...

Technical Lead

Hiring Organisation
i3
Location
City of London, London, United Kingdom
Experience Essential Strong Salesforce (Sales Cloud) experience Proven background as a Technical Lead/Solution Architect/Solution Engineer Experience with: AWS (Glue, AppFlow) Java development API integrations (REST/SOAP) CI/CD pipelines & cloud deployment (AWS/Azure) Experience working across business requirements/user journeys (BA background ...

Pricing & Market Data (Migration Specialist)

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Control (legacy) and Prime EDM. Architecture : Cloud-native migrations (AWS/Azure), API design, and SQL/NoSQL performance tuning. Scripting : Python (preferred) or Java for custom business logic and automation. Pricing Logic : Strong understanding of EOD (End of Day) vs. Real-time pricing, forward curve construction, and basis risk ...

Senior Software Engineer

Hiring Organisation
LinuxRecruit
Location
City of London, London, United Kingdom
next tech unicorn, together, in the same room, ask the big players. What you’ll need to succeed: Strong experience building production quality software (Java, TypeScript, React or Python) Curiosity and adaptabilit y: you learn new technologies quickly and apply them effectively Hunger and drive: you’re comfortable working ...

Lead Software Engineer

Hiring Organisation
Spires Online Tutoring
Location
City of London, London, United Kingdom
Senior Full Stack or Software Developer 2+ years of proven management experience Strong experience with React and modern frontend development Backend development experience (Java preferred) Solid knowledge of JavaScript, HTML, and CSS Experience working with PostgreSQL databases Experience using Git in a collaborative development environment Ability to communicate technical concepts ...

Global Banking & Markets - Trading Systems Support Engineer - Associate/Vice President - London

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Site Reliability Engineering (SRE) practices, including automation, monitoring, and incident response. Proficiency in at least one scripting or programming language (e.g., Python, Shell Scripting, Java, C++) for automation, tooling, and operational tasks. Experience with distributed systems design, maintenance, and troubleshooting. Knowledge of financial markets, electronic trading workflows ...

Senior Java Developer - Low Latency

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
intuition with that, and some modern messaging like Aeron or ZeroMQ." 12+ years of experience. - Lead the development, testing, and maintenance of low-latency Java applications. - Collaborate with cross-functional teams to gather requirements and design system architecture. - Optimize application performance and troubleshoot latency issues. - Mentor junior developers and ensure … industry trends and integrate relevant technologies into projects. SKILL REQUIREMENTS - Bachelor's degree in Computer Science, Engineering, or a related field. - Proven experience in Java development, with a focus on low-latency systems. - Strong understanding of multithreading, concurrency, and performance optimization. - Experience with frameworks and libraries such as Spring, Hibernate ...

Technical Consultant - Java Software Development

Hiring Organisation
MARBLE MAYNE RECRUITMENT LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Technical Consultant - Java Software Development Location: London Contract Type: Permanent Salary: circa £85,000 - £120,000 total compensation (salary + discretionary bonus) Are you a solutions and project focused Technical Consultant with a strong back-end coding background in Java or Python? Do you have excellent people skills and enjoy … financial software solutions for global investment banking clients Own component architecture, estimation, and production delivery with full technical and project accountability Work with modern Java technology stacks (Spring Boot, Java 17/21) and cloud infrastructure (AWS, Docker, Kafka) Join a collaborative software consultancy with 20+ years' industry experience ...

Java Architect (with Capital Markets)

Hiring Organisation
DXC Technology
Location
City of London, London, United Kingdom
Java Architect (with Capital Markets exp.) Project description We are building an end-to-end client lifecycle management solution, where technology drives procedural automation and standardization. Our solution includes industry-leading modules and tools widely adopted by financial institutions. This strategic initiative spans the entire client lifecycle—from onboarding … integration with various in-house products such as Counterparty Manager, ISDA Amend, Outreach360, Request for Amendment, KYC, and Tax Utility. We leverage a mature Java/Spring Boot-based tech stack, supported by AWS infrastructure, along with the latest advancements in the industry to deliver this solution over a multi ...

KDB Developer

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
/Q • Technical design skills that focus on code reuse and ease of maintenance • Excellent troubleshooting, unit testing, and problem-solving skills • Experience with Java and JavaEE applications • Experience with JSCRIPT and Web UI technologies is a big plus • Previous exposure to equities and equities trading flows ...