1 to 25 of 41 Remote/Hybrid Java Jobs in the City of London

Senior Cloud Security Engineer (GCP) - Engine by Starling

Location
City Of London, England, United Kingdom
tech stack is listed below. We don't ask that you have experience in all of it, but if you do, that's great! Java, which makes up the majority of our backend codebase GCP and AWS - we're cloud-native Microservice-based architecture Kubernetes ...

Java Backend Developer

Location
City Of London, England, United Kingdom
inclusive, adaptable, and forward-thinking organization, Location: London, Hybrid 2 days a week from Office Role Summary We are seeking an experienced Java Backend Developer to design, develop, and support scalable enterprise applications using Java and Spring technologies . The ideal candidate should have strong software engineering fundamentals, hands … support, and continuous improvement of application stability, performance, and monitoring. Day to Day Job Duties Design, develop, test, and implement new application functionality using Java and Spring/Spring Boot . Develop backend services, APIs, and reusable application components. Work closely with business stakeholders and Business Analysts to understand functional ...

Senior AWS Site Reliability Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum Bonus, Medical Care
similar role, with a strong emphasis on systems engineering, automation, and service reliability Proficient in at least one programming language such as Python, Go, Java, or C#, along with scripting skills in Bash or PowerShell Solid grasp of cloud platforms like AWS, including an understanding of how core services like ...

Technical Lead

Hiring Organisation
Adecco
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum
team. Preferred Experience : Proven experience as a senior or lead software engineer in a modern SaaS, MarTech, or data-driven environment. Strong proficiency in Java (Spring Framework) is essential for success in this role. Frontend experience with React and TypeScript (or similar modern frameworks) is highly desirable. Demonstrated ability ...

Software Engineer

Location
City Of London, England, United Kingdom
Science, Engineering, or a related technical/scientific subject (or equivalent experience) Strong core programming skills in either Server‐side languages such as C++, Java, Rust or Python, OR Front‐end development in TypeScript or JavaScript, using frameworks such as Angular or React A deep enthusiasm for expanding your knowledge ...

Software Engineer

Location
City Of London, England, United Kingdom
clean, readable code and takes pride in seeing features go live. Tech Stack Proficiency: Proficient in at least one modern language (e.g., Python, TypeScript, Java, Go) and comfortable working within cloud environments (AWS, Azure, or GCP). Pragmatic Mindset: You understand the balance between elegant code and delivering real value ...

Java Developer Kafka API - Tech Consultancy

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Java Developer/Backend Software Engineer (Kafka API) London/WFH to £90k Are you a Java technologist seeking a role where you can work on ground breaking technology, continually learning and progressing your career? You could be joining a global technology consultancy. What's in it for you: Salary … your family, including mental health Travel Insurance Charitable giving Gym membership for you and your family Flexible holiday scheme Your role: As a Java Developer you will design, develop and deliver a range of transformational projects for clients, mainly within the financial services sector and with a focus on Kafka ...

Principal Full-Stack Engineer | Remote UK w/ Clearance

Location
City Of London, England, United Kingdom
Engineer to own architecture across multiple services, provide technical leadership, and contribute to engineering standards while continuing to code. The role centers on a Java/Spring Boot microservices platform on AWS (EKS) with a Next.js frontend and Camunda orchestration; it can be remote with occasional London travel each month ...

Founding Engineer

Location
City Of London, England, United Kingdom
that process millions of events per second with predictable latency. Polyglot Execution: Fluid ability to work across multiple languages and paradigms (e.g., Python, C++, Java, TypeScript) as required by system demands. Modern Data Ecosystems: Experience working across diverse, modern data paradigms, ranging from real-time analytics and time-series pipelines ...

Graduate Platform Engineer

Location
City Of London, England, United Kingdom
/CD (experience with GitHub Actions and Jenkins would be ideal) Coding skills in Python, preferably with some exposure to JavaScript and Java A solid understanding of IT security principles Full existing UK work permission without time limit or the need for sponsorship This is a great opportunity to join ...

Data Scientist - BAU Analytics

Location
City Of London, England, United Kingdom
tasks related to data tracking, collection, ingestion, quality monitoring and alerting. Experience 5+ years data analysis experience developing applications including Scala/Java and/or Python. Experience managing batching and/or streaming data pipelines and infrastructure using technologies such as GCP, Dataflow/Apache Beam, Dataproc, Spark/ ...

Software Engineer - Environment Platform

Location
City Of London, England, United Kingdom
scaling) of new and existing systems. 1+years of experience as a mentor, tech lead or leading an engineering team. Strong coding skills in Go, Java, or equivalent. Experience designing, building, and operating high-scale observability or infrastructure systems. Bachelor's degree in Computer Science or equivalent. Life at Palantir ...

Forward Deployed Software Engineer, New Grad - Commercial

Location
City Of London, England, United Kingdom
preferred in fields such as Computer Science, Mathematics, Software Engineering, Physics, and Data Science. Proficiency with one or more programming languages, such as Python, Java, C++, TypeScript/JavaScript, or similar. Must be graduating in 2026 or before. To apply, please submit the following: An updated resume/CV – please ...

Java Developer | Investment Banking | Hybrid, London

Location
City Of London, England, United Kingdom
Java Developer (London, Hybrid) Location: London UK Working Mode: 3 days on site in City of London IR35 Categorisation: Inside Rate: £600 per day We're looking for a Java Developer to join our client (Investment Banking) in a hybrid working model (London, 3 days per week). You will … office processing Provide technical expertise and recommendations for enhancements of existing applications and evaluation of new initiatives Develop clean, secure, and efficient code in Java and Python and work with scripting tools such as PowerShell or Bash Conduct code reviews, unit testing, and participate in application architecture discussions Ensure compliance ...

AI Native Systems Engineer

Location
City Of London, England, United Kingdom
+ deployment. Strong background in Software Architecture, systems engineering, distributed systems or complex cloud-native platform delivery. Programming languages: Go, Rust, C/C++, Java, Python. Desirables: AWS Solutions Architect Associate certification, Telecoms, AIOps, Network Ops, RAN/Core Analytics, Data Engineering, anomaly detection, RCA, lakehouse/agent orchestration patterns ...

Senior Software Engineer

Location
City Of London, England, United Kingdom
professional software development experience Experience designing and delivering highly-available, scalable cloud-based systems Backend service experience in multiple managed languages such as Java, Scala, Go, C#, or similar Experience with SQL or NoSQL data stores Experience evaluating and integrating AI-assisted development tools into engineering workflows Strong understanding ...

New Grad Software Engineer - Production Infrastructure

Location
City Of London, England, United Kingdom
AI. You'll own the product lifecycle and work with diverse teams to deliver impactful solutions. Ideal candidates have experience in programming languages like Java, C++, and Python, alongside strong collaborative skills. This role supports hybrid working options and values independent decision-making. #J-18808-Ljbffr ...

Senior AI-Enabled Full Stack Engineer — Lifecycle Tools

Location
City Of London, England, United Kingdom
assisted coding, testing and deployments, and safe integration with Jira, GitLab, and our CI/CD pipeline. You will work hands-on with Java backend and build tooling, while promoting test-driven development, ownership, and responsible AI practices. The role offers hybrid work with three days in the office ...

Software Developer Backend (SFIA5)

Location
City Of London, England, United Kingdom
improvement environments doing multiple releases every week Team leadership and mentoring experience Integrity/honesty Coding and testing Demonstrable experience designing, coding and debugging Java based systems Good skills in web front end technologies such as HTML, CSS, Bootstrap Java 8 Spring Boot Docker Kubernetes Atlassian Build tools: Maven, Gradle ...

Oracle Database Engineer - up to £90,000 + Bonus - Hybrid

Location
City Of London, England, United Kingdom
Experience administering Oracle ASM and Data Guard for HA/DR Desirable - Oracle Database Engineer (Oracle DBA): Oracle Certified Master (OCM) Oracle APEX experience Java development knowledge Git or Stash version control Understanding of server architecture, enterprise storage, networking and firewall concepts Familiarity with ITIL and formal service management processes ...

Backend Java Developer - Birmingham • Hybrid • £50–65k • Not London

Location
City Of London, England, United Kingdom
Backend Java Developer Location: Birmingham (Hybrid) Employment: Fixed Term Contract Salary: £50,000 – £65,000 base (dependent on experience) If your idea of backend engineering is more than CRUD APIs and microservices boilerplate — this role is for you. We’re building the core backend services of a Data Fabric platform … critical path of data access . This is deep backend + data infrastructure work . 🚀 What You’ll Do Build core backend services in Java (17/21) for access control and query manipulation Implement deterministic policy/rule engines for data governance Work on SQL parsing, planning, validation ...

Senior Java Low-Latency Developer

Hiring Organisation
Gazelle Global Consulting Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
leading financial technology environment is looking for a Senior Java Low-Latency Developer to join a 12-month contract in London, working hybrid three days a week. You'll be part of a global engineering function delivering technology where performance, resilience and reliability are critical. The role focuses on building … closely with Product, Engineering, QA and Production Support teams, helping turn requirements into robust, scalable solutions while driving continuous performance improvement. Key Skills Core Java, JDK 17+ Low-latency/high-throughput trading platforms Multithreading, concurrency and JVM tuning Mechanical sympathy and performance profiling Microservices and distributed systems Event-driven ...

Senior Architect (Hybrid) — AI-Driven Insurance Tech

Location
City Of London, England, United Kingdom
Travelers Europe is seeking a Senior Architect to lead architectural strategies across Java/.NET and API platforms. You will guide complex applications, drive Services-Oriented Architecture, and enable event-driven architectures with a focus on performance and stability. Hybrid work policy allows three days in the office ...

Java Developer - Cloud & Hybrid (London)

Location
City Of London, England, United Kingdom
Ports North is seeking a Java Developer in London with a hybrid on-site model (3 days per week). You will build cloud-based financial services applications, collaborating with agile teams to deliver secure, scalable software. The role emphasizes strong Java backend skills, Spring Boot, and experience with ...

Low-Latency Quant Trading Engineer

Location
City Of London, England, United Kingdom
build low-latency trading applications for Repo and Rates businesses. You will work with quants, traders and engineers to deliver high-performance software using Java in a Unix/Linux environment. The role emphasizes modern development practices, code reviews, and delivering functional and non-functional improvements within a hybrid work ...