151 to 175 of 399 Java Jobs in London

Site Reliability Engineer - Security Engineering - London

Hiring Organisation
TikTok
Location
London, UK
large-scale distributed SRE platform/tooling with automation. - Solid programming skills, mastering at least one of the programming skills such as Go/Java/Python/Shell, and being able to deliver high quality code; Familiar with at least one of the web frameworks, such as Gin/ ...

(Senior-Staff) Backend Engineer

Hiring Organisation
HIVED
Location
London Area, United Kingdom
translate complex requirements into production-grade solutions with measurable business impact. Solid coding skills (Python or Golang preferred, though experience in other languages like Java or C++ is also valued). Experience working with cloud infrastructure (AWS preferred) and event-driven architectures. Curiosity, creativity, and a strong sense of ownership ...

Staff Software Engineer - Back End

Hiring Organisation
Capital One
Location
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 ...

Senior Software Development Engineer - Services

Hiring Organisation
Capital One
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
track record of delivering solutions in an efficient and maintainable manner Exceptional programming skills and knowledge of building APIs using modern OO languages preferably Java, SOLID principles, SOA, HTTP and REST Demonstrable knowledge of creating architectural designs that meet the business need Proven experience in technical leadership, with a passion ...

Staff Engineer | Back End

Hiring Organisation
Legal & General
Location
London, UK
Employment Type
Full-time
essential Secure development strategies is essential Agile software development methodologies, such as Scrum and Kanban, is essential. Microservices patterns/framework Technical Knowledge of: Java or other JVM languages Angular or other Javascript frameworks AWS Experience in contributing and influencing technical direction is essential Experience in setting technical direction ...

Senior Software Engineer II

Hiring Organisation
Axon
Location
London, England, United Kingdom
planes, service discovery, orchestration, partitioning/placement, and consistency models (CAP tradeoffs, CRDTs, leader/follower, quorum). Strong coding in Go (also acceptable: Java/Rust); design-first mindset, profiling and performance tuning (allocations, tail latency, lock contention). Cloud-native foundations: Kubernetes, containers, service mesh (Istio/Envoy ...

Mid Level Software Developer (Java)

Hiring Organisation
Spyrosoft Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 55,000 Annual
Location London Hybrid 1-2 days a week in the office eligibility to work in the UK Role Overview Were looking for two talented Software Developers to join our dynamic team based in London. This ...

Java Technical Lead

Hiring Organisation
Version 1
Location
London, England, United Kingdom
them, it’s deeply embedded within our DNA. Invest in us and we’ll invest in you! Job Description We are seeking an experienced Java Technical Lead to join our UK Digital Data & Cloud Practice. Our Digital Practice is expanding rapidly and there will be an opportunity … high-profile trading client within the financial services domain. You will provide both hands-on technical leadership and day-to-day guidance to a Java-based development team supporting high-volume message processing environment. The current team is heavily Java-focused, but the client’s ecosystem relies extensively on Kafka ...

Senior Java Software Engineer

Hiring Organisation
Signify Technology
Location
London Area, United Kingdom
Senior Java Developer – London (Hybrid: 2 Days Onsite) We’re partnering with a leading global organisation that is scaling its engineering function and looking for a Senior Java Developer to join their London team. If you’re passionate about building data-driven platforms, enjoy solving complex challenges, and want … work with modern cloud-native technologies, this is the role for you. What You’ll Be Doing Designing, developing, and maintaining scalable Java applications using strong OOP principles. Playing an active role in requirements gathering and design workshops , contributing ideas and identifying gaps. Mentoring and pairing with junior developers ...

Java Developer - (Java/Kafka/MQ Series)

Hiring Organisation
Henderson Scott
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £525 per day + Umbrella rate (inc costs)
urgently seeking a highly skilled SC Cleared Java Backend Developer to join a critical project with a high-profile Government Client . This is a key technical role focusing on a vital component of the client's technology landscape: migrating a legacy message queueing system to a modern, scalable platform. … existing IBM MQ Series with Kafka across the platform. We are therefore looking for a rare and specific combination of skills: Deep expertise in Java (Backend Development). Strong, hands-on experience with Kafka (implementation, configuration, and integration). Essential knowledge of IBM MQ Series (or similar legacy messaging systems ...

Senior Java Spring Boot Software Engineer 12 month FTC

Hiring Organisation
Zenobē
Location
London Area, United Kingdom
trucks. Our rapidly growing company is looking for highly talented and motivated people to join us. THE OPPORTUNITY We are seeking a Senior Java Spring Boot Software Engineer to join our team and proactively drive the delivery of our software solutions. You will own and execute on specific features … deliver technical solutions that maintain a high standard of quality and efficiency. You will be responsible for upskilling and engaging with other engineers in Java and Spring Boot, and weigh in heavily on defining and architecting a greenfield microservices project in AWS. This position is offered as a 12-month ...

Java Software Engineer

Hiring Organisation
PSD Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 85,000 Annual
Java Software Engineer Java, J2EE, Spring, React, Node, SpringBoot, Hibernate, RabbitMQ, SQL We are seeking a Java Software Engineer with at least 5 years experience of working in a SaaS production environment. Our client is a leading provider of investment and wealth management solutions where you will joining a team ...

Senior Java Developer

Hiring Organisation
Stott and May
Location
London, England, United Kingdom
Description Senior Java Developer Location: London - Hybrid (2 days per week on-site) Day Rate: Market Rate (Inside IR35) Duration : 6 Months Role Overview We are seeking a highly skilled Senior Java Developer to join a key digital transformation initiative for one of the UK’s leading retailers. This role … driven architectures, and cloud platforms—to build high-performance systems in a fast-paced environment. Key Responsibilities Develop, enhance, and maintain backend services using Java, Spring Boot, and Spring Security. Design and implement microservices and event-driven architectures using Confluent Kafka. Build, maintain, and optimize CI/CD pipelines using ...

Java Full Stack Engineer (DV Cleared)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55,000
Java Full Stack Engineer looking to work on cutting-edge, high-impact digital solutions? Do you want to use your expertise to help shape major transformation programmes across government and secure environments? If you're driven by innovation, value collaboration, and enjoy solving complex technical challenges, we'd love … hear from you. Java Full Stack Engineer (DV Cleared) Consultant Level - Digital Excellence Salary: £46,330-£55,000 Base Locations: London, Manchester, Newcastle or Glasgow Organisation : Global leading IT Consulting Business (Applicants must hold active DV clearance) Are you a Java Full Stack Engineer looking to work on cutting-edge ...

Solutions Architect

Hiring Organisation
Trust In Soda
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £748 per day
best practices. Experience with chart compilation tools or GIS platforms used for hydrographic data processing. Proficiency in at least one relevant legacy language (e.g., Java, C#, or .NET 8.0) or database system (e.g., Oracle or SQL Server). ...

Senior Software Engineer

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Deep experience working with and scaling Bazel for large, monorepo-based codebases. Strong passion for developer tooling and productivity. Fluency in Java, Python, Starlark, and TypeScript . Excellent problem-solving skills for complex, cross-cutting systems. Your work in the Platform Developer Experience (PDX) R&D Studio will directly impact ...

Technical Support - Salesforce Administration Chinese Speaker

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £40,000 per annum
technical support Strong hands-on experience with AWS or Azure 2+ years supporting/administering Salesforce (especially Marketing Cloud) is mandatory Basic knowledge of Java, hands on with Linux and Terraform experience Ability to write scripts in Python Experience with monitoring tools (e.g., Grafana) Understanding of full-stack web/ ...

Mobile Engineer

Hiring Organisation
Paritas Recruitment
Location
London Area, United Kingdom
leading and supporting software development Scrum teams in a matrix structure, introducing and executing technical strategies Strong skills in developing Mobile applications using Kotlin, Java and Jetpack Compose Significant and demonstrable experience of test-driven development (TDD) and using automated test frameworks, mocking and stubbing and unit testing tools ...

Investment Banking - Low Latency C++ Developer - financial markets/Linux/scripting/low latency/TCP/I

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
part of the low latency development team. The team provides industry leading low-latency trading services for our clients, utilizing FPGA, C++ and Java technologies. The candidate will be focusing on the C++ components. The ideal candidate: Is motivated by working in a high performing team, Is flexible to change ...

Head of Operations - Algo Trading

Hiring Organisation
Chapman Tate Associates
Location
London Area, United Kingdom
predictive analytics , and trading platforms (IB, MetaQuotes, B2B or C-Trader). Tech Stack: Linux-first environment on AWS . Core languages: C++ , Java , Python . Large-scale data lakes and HTML5 front ends. Why Join: Shape the firm’s operational strategy with real ownership and autonomy. High-impact role ...

Data Architect (Insurance Domain)

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Databricks CICD Knowledge of DevOps practices for data pipelines Certifications: Azure Data Engineer or Azure Solutions Architect certifications Skills Mandatory Skills: Python for DATA,Java,Python,Scala,Snowflake,Azure BLOB,Azure Data Factory, Azure Functions, Azure SQL, Azure Synapse Analytics, AZURE DATA LAKE,ANSI-SQL,Databricks,HDInsight ...

Data Architect Insurance Domain

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £100,000 per annum
Databricks CICD Knowledge of DevOps practices for data pipelines Certifications: Azure Data Engineer or Azure Solutions Architect certifications Skills Mandatory Skills: Python for DATA,Java,Python,Scala,Snowflake,Azure BLOB,Azure Data Factory, Azure Functions, Azure SQL, Azure Synapse Analytics, AZURE DATA LAKE,ANSI-SQL,Databricks,HDInsight ...

Senior Full Stack Systems Developer

Hiring Organisation
Penguin Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £85,000 per annum
Lifecycle, including front-end and back-end aspects Experience of working with software systems/programmes specifically within an environmental setting Demonstrable experience with Java Middleware Outstanding knowledge of Performance and Security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database ...

Senior Full Stack Systems Developer

Hiring Organisation
Penguin Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
overseeing the Full Software System Lifecycle of a product, demonstrating your commitment to continued development and improvement Demonstrable experience in the use of Java Middleware, API, Docker, and MQ systems Good working knowledge of performance and security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet ...

Go Developer/SRE

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 690 Daily
Design & Develop: Architect, develop, and maintain robust, scalable software solutions for managing GitHub Enterprise resources. This will primarily involve writing code (Go, Python or Java) that interacts extensively with GitHub's APIs. GitHub Organization Orchestration: Build tools and services to automate the creation, configuration, and policy enforcement across multiple GitHub ...