26 to 50 of 123 Java Jobs in Central London

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Platform Manager

Hiring Organisation
develop
Location
City of London, London, United Kingdom
deep application support experience. Beyond that, we're not looking for a checklist of tools: working knowledge of Docker, Terraform, MongoDB, Java, or SQL Server is a bonus, not a requirement, and general comfort with a scripting/OOP language plus Agile/DevOps ways of working will serve ...

Product Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Partner closely with Product to challenge and sharpen requirements before they hit the backlog What we're looking for Strong TypeScript/JavaScript and Java/Kotlin NestJS, React, PostgreSQL or MongoDB (Not all required) Hands-on with AWS, Docker, Terraform, and modern CI/CD A genuine, practical understanding ...

Real-Time Architect

Hiring Organisation
Digisourced
Location
City of London, London, United Kingdom
architect ures• Driving scalability, resilience, fault tolerance and latency optimisa tion• Defining architecture standards and supporting engineering teams across deli very Key S kills✔ Java, C++ and/or P ython✔ Event-Driven Architec tures✔ Kafka, Pulsar or Azure Event Hubs✔ Real-Time Data Streaming & Anal ytics✔ Distributed Systems ...

Founding Engineer / Technical Lead

Hiring Organisation
Coburg Banks Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
telematics, automotive, fleet, or transport technology Geospatial systems and location intelligence Technical Environment Experience across several of the following is valuable: Python, TypeScript, Go, Java, or similar REST APIs and distributed architectures AWS and cloud infrastructure PostgreSQL and data-intensive systems Docker, CI/CD, observability, and reliability engineering Third ...

Solutions Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
Confluence Experience working in a data-centric organisation Desirable Skills React front-end development React. Native cross-platform mobile application development Android development (Java/Kotlin/Dagger2) Image Processing, ANPR (automated number plate recognition) and OCR library implementations Exposure to process modelling, for example in BPMN IoT relay control ...

Software Engineering Manager

Hiring Organisation
Marks and Spencer
Location
City of London, London, United Kingdom
software engineering standard methodologies, Promoter of DevOps: you build it, you run it. Tech Stack M&S uses a variety of technologies including; Java, Kotlin, GraphQL Federation, Micronaut, Azure Cloud, GitHub, New Relic and Dynatrace. Everyone’s Welcome We are ambitious about the future of retail. We’re disrupting, innovating ...

Senior Manager, Engineering-Clustering & Exposure

Hiring Organisation
Jobleads-UK
Location
City of Westminster, England, United Kingdom
algorithms, or large-scale clustering problems. Familiarity with cost optimization for high-throughput data pipelines. Technologies we use: AWS serverless architectures Kubernetes Spark Flink Java Python Databricks RisingWave Parquet, Iceberg, Delta, Paimon Terraform GitHub AI at Chainalysis AI is not a feature at Chainalysis ...

Azure Java Engineer

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
looking for a talented Azure Java & Python Engineer with 6-7+ years of experience to join our innovative team. You will be at the forefront of building scalable, resilient, and secure asset management solutions on Azure Cloud, working with the latest tools and practices. What you’ll do: Design … develop, and maintain client-facing applications & APIs Build cloud-native microservices using Java, Spring Boot, and modern engineering techniques Work with distributed systems on Azure Kubernetes Service (AKS) & Redis Collaborate with cross-functional teams to shape product features Implement security protocols, API optimizations, and robust architecture Contribute to Agile & DevOps ...

Principal Java Engineer

Hiring Organisation
RE Partners
Location
City of London, London, United Kingdom
trusted partner for some of the industry’s leading companies, our global talent has helped many clients achieve their goals. Principal Java Engineer We are seeking an experienced and opinionated Principal Java Engineer to join our high-performing engineering team, working on low latency, high-throughput systems in the payments … 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 backend ...

Software Engineer | High-Frequency Trading

Hiring Organisation
Fionics
Location
City of London, London, United Kingdom
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 ...

Java Engineer - FS/Payments

Hiring Organisation
Fynity
Location
City of London, London, United Kingdom
Java Engineer - FS/Payments London – Hybrid (1 day per week onsite) Are you a senior/lead hands-on Engineer who thrives in Banking, Financial Services or Payments environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This … near-zero downtime. Design and implement high-throughput, low-latency systems processing millions of real-time payment events Build event-driven architectures using modern Java and reactive frameworks Work extensively with non-blocking I/O, asynchronous flows, back-pressure, and concurrency Contribute to system and API design, focusing ...

Senior Software Engineer- Data Infrastructure

Hiring Organisation
Qube Research & Technologies
Location
City of London, London, United Kingdom
Mentor engineers and promote engineering best practices Requirements 7+ years of software engineering experience Strong background in distributed systems and backend development Proficiency in Java, C++, Rust, or another server-side language Experience building and operating large-scale production systems Strong understanding of performance optimisation, concurrency, and system design Excellent ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, 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 ...

Teamcenter Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
Westminster, Greater London, UK
across the full migration lifecycle. Key Responsibilities: Design and implement Teamcenter migration strategies and data migration frameworks Develop custom migration utilities using ITK, SOA, Java, C/C++, Python or Shell scripting Perform data extraction, transformation, validation, mapping and reconciliation Support migration planning, testing, cutover and deployment activities Troubleshoot migration ...

Principal Python Engineer

Hiring Organisation
Signify Technology
Location
City of London, London, United Kingdom
work. Tech Stack Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus What They Are Looking For Principal or Staff level Python engineer with strong leadership skills Degree in Computer Science or related field ...

Executive Director

Hiring Organisation
Signify Technology
Location
City of London, London, United Kingdom
work. Tech Stack Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus What They Are Looking For Principal or Staff level Python engineer with strong leadership skills Degree in Computer Science or related field ...

Vice President

Hiring Organisation
Signify Technology
Location
City of London, London, United Kingdom
work. Tech Stack Expert Python, advanced SQL, deep Linux knowledge PostgreSQL, Snowflake Apache Kafka, Apache Airflow Django, Flask or FastAPI TDD, BDD, pair programming Java familiarity a plus What They Are Looking For Principal or Staff level Python engineer with strong leadership skills Degree in Computer Science or related field ...

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 ...