1 to 25 of 79 Java Jobs in Central London

Software Engineer

Hiring Organisation
Opus Enterprise Ltd T/A Real Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
this post: 7+ years experience in software engineering and a solid understanding of the software development lifecycle (SDLC). Technical experience with OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services, Spring security, SpringBoot, and AMQP/RabbitMQ. Experience with application servers (Jboss/WebSphere ...

Solace Administrator

Hiring Organisation
BGC Group
Location
City of London, London, United Kingdom
policies and participate in audits and vulnerability remediation. Maintain accurate documentation, including topology diagrams, runbooks, and configuration baselines. Support proprietary messaging APIs using C++, Java, Python, and C# programming languages. Provide support for proprietary cache and gateways that integrate applications with the messaging service. Required Skills & Qualifications: 3+ years ...

Founding Front-End Engineer

Hiring Organisation
Barrington James
Location
City of London, London, United Kingdom
Looking For 4+ years of hands-on experience building backend systems in a production environment. Strong experience with backend languages and frameworks (e.g., Java, Spring, Python, Go, Node.js — adaptable to your stack). Proven track record designing and implementing RESTful APIs and microservices. Solid understanding of databases (SQL and NoSQL ...

Technical Assessment Lead - 6 month FTC

Hiring Organisation
TPXImpact Holdings Plc
Location
City of London, London, United Kingdom
Employment Type
Temporary
Salary
£85,000
Professional knowledge and experience Essential: Significant hands-on experience as a Senior, Lead, or Principal Engineer in modern full-stack environments (e.g., .NET, React, Java, Python). Proven track record of scaling teams and making high-quality technical hiring decisions. Deep knowledge of software architecture, clean code principles, and maintainable ...

Lead Back End Engineer

Hiring Organisation
mkodo
Location
City of London, London, United Kingdom
greatest impact will come from technical leadership, enabling teams to deliver robust, scalable, and secure services. With a strong foundation in backend technologies, including Java and Spring Boot, and event-driven systems such as Kafka, you’ll influence systems well beyond your own code, ensuring architectural integrity and high engineering … duties and responsibilities on our website: mkodo careers 🤩We’d love to hear from you if... You have strong backend engineering experience, ideally including Java (Java 11+) and Spring Boot. You have proven ability to design and lead backend architectures for complex systems. You are familiar with cloud environments ...

AWS Platform Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
teams (Scrum/Kanban/Lean) Solving complex technical challenges using sound engineering principles What we're looking for Strong programming experience in Python, Java, JavaScript or .NET Proven experience delivering production-grade systems Solid use of Git-based version control Experience with CI/CD tooling (e.g. Jenkins, Bamboo ...

AI / GenAI Engineer – Investment Banking / Capital Markets

Hiring Organisation
Caspian One
Location
City of London, London, United Kingdom
demonstrable experience building AI tools inside or outside of work setting. Education: Relevant Software Engineering/Computer Science degree. Technical Skills Programming Languages: Python, Java, C++, C#, TypeScript, JavaScript Machine Learning: TensorFlow, PyTorch, Scikit-learn GenAI/LLMs: OpenAI API, Hugging Face Transformers, LangChain, Langraph, RAG pipelines Data & Analytics: Pandas ...

Senior Full Stack Engineer

Hiring Organisation
Quinnox Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £450 per day
financial platforms. Deeply skilled in software design and architecture, ideally across cloud-native environments (AWS preferred). Proficient in modern development frameworks, such as Java, Python, or Node.js , and familiar with microservices, APIs, and event-driven architectures. Experienced in cloud and infrastructure-as-code technologies, such as Terraform, Kubernetes, Docker ...

Full Stack Engineer

Hiring Organisation
algo1
Location
City of London, London, United Kingdom
into user flows Contribute to overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols ...

Application Security Engineer

Hiring Organisation
Atrium Global
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £650 per day
landscape: CVEs, CWEs, common software vulnerability types SAST, SCA, and DAST, including the strengths and weaknesses of each At least one programming language (e.g. Java, Go) At least one major cloud provider (e.g. AWS, GCP, Azure) REST API design HTTP Authentication Linux at the terminal, including scripting and automation (e.g. ...

Software Engineer Golang AWS

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Data Structures, Deign Patterns, Algorithms You have commercial Golang development experience (likely to have a background with other OO languages such as Python, Java, C++ but you must be happy to use Golang going forward) You have a strong knowledge of AWS - they're using AWS SNS & SQS, Amazon ...

GenAI Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
organization. Mandatory Skills & Experience • Experience: 8+ years in cloud and AI architecture design, 5+ years in software development. • Technologies: Proficiency in Python, Java (and/or Golang), and Spring; expertise in AWS, Azure, Google Cloud; Kubernetes and containerization. • AI Expertise: Advanced machine learning algorithms, GenAI models (e.g., GPT, BERT, DALL ...

Python Developer

Hiring Organisation
mthree
Location
City of London, London, United Kingdom
trade execution and regulatory platforms. Work within an agile team delivering high-priority solutions under tight deadlines. Skills & Experience Strong Python (or OO language: Java, C#, C++) development experience. Solid understanding of data structures, algorithms, and design patterns. Experience with SQL/NoSQL, APIs, and distributed systems. Familiarity with agile ...

Senior Full Stack Engineer - Technologist

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
comfortable taking ownership of projects and mentoring more junior team members You have strong TypeScript skills, combined with any backend programming language (e.g. Python, Java, C++, C#) You're happy to work with the following tech stack (you don't need experience with all): Elixir, Ember, Elm, Phoenix, LiveView, Python ...

Electronic Trading Engineer

Hiring Organisation
Robert Walters
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
message-driven architectures, including Kafka, JMS, or MQ-based Middleware. Proficiency with SQL for trade/order data analysis and reconciliation. Exposure to Java/Python for Scripting, debugging, or developing integration utilities. Familiarity with AWS or hybrid cloud environments, including basic knowledge of ECS/EKS or containerized deployment ...

Senior Backend Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
Proven hands-on experience in system design and architecture Focus on producing clean code whilst promoting excellent coding practices throughout the team Tech stack: Java 11-17, Springboot PostgreSQL/Kafka AWS/Kubernetes/Terraform Typescript/React Benefits: 10% bonus Life assurance 25 days annual leave (option ...

Senior Software Engineer

Hiring Organisation
RedCat Digital
Location
City of London, London, United Kingdom
Senior Software Engineer will have: • Strong backend or full-stack software development experience • Strong backend coding experience, ideally in either Golang (Go) or Java • Any front end experience is a bonus (e.g. React), but not a must-have • Experience with cloud platforms e.g. AWS, Azure, GCP - Google Cloud • Experience with ...

DevOps Engineer

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Containerisation/Orchestration with Kubernetes Extensive CI/CD work (ideally with Jenkins, or equivalents) Scripting/coding experience with Python, Bash, Shell or Java Strong knowledge across Automation, Networking, Linux and Security These positions range in salary offering £80-120K, dependant on experience and Seniority, and operates ...

IT Applications Manager/Applications Manager

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
analytics and evaluate applicability to the firm's operations. IT Applications Manager/Applications Manager Knowledge, Sills and Experience: * Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. * Understanding of API integration, data modelling, and application performance tuning. * Strong project management skills are essential for implementing ...

Senior Software Engineer - Quant Firm

Hiring Organisation
Dex
Location
City of London, London, United Kingdom
translate theoretical strategies into production-grade code. What You'll Have Polyglot Mastery: Exceptional command of at least one major systems language ( C++ , Rust , Java ) for low-latency components, or Python for data and ML workflows. Distributed Systems Expertise: Deep experience building high-throughput, fault-tolerant systems using modern messaging ...

Lead Java Developer

Hiring Organisation
Candour
Location
City of London, London, United Kingdom
Lead Software Engineer (Java) – London/Hybrid Are you a Lead Backend Engineer with a strong background in Java and modern backend architecture? In this senior technical leadership role, you will set the technical vision, influence system design, and guide teams in delivering secure, scalable, and high-performing services. While … discipline across teams. Lead design sessions, code reviews, and collaborative technical discussions. Skills & Experience Proven experience as a senior or lead backend engineer with Java (11+) and Spring Boot. Expertise in designing and leading backend architectures for complex systems. Strong understanding of AWS, Kubernetes, and modern microservice-based systems. Experience ...

Senior UI Developer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
responsiveness Confident working directly with front-office stakeholders Bachelor's degree in Computer Science, Engineering, or related discipline Desirable Backend experience in Java or C# Experience working in electronic FX, market making, or algo trading Familiarity with AI-assisted development tools while maintaining engineering standards Strong attention to detail ...

Palantir Solution Architect

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
orchestration, consumption) Cloud platform experience (AWS, Azure or GCP) Strategic architecture capability including roadmaps, trade-offs, and risk management Strong programming skills in Python, Java or Scala Demonstrated experience managing and developing technical teams Desirable Data governance, lineage, provenance, and master data management Technology evaluation and product selection Event-driven ...

IT Applications Manager

Hiring Organisation
CONEX EUROPE LIMITED
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
goals Provide regular reporting to the Head of Technology on application performance, risk status, and strategic progress. Skills Required Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. Understanding of API integration, data modelling, and application performance tuning. Strong project management skills are essential for implementing ...

Trainee Web Developer

Hiring Organisation
IT Career Switch
Location
Chelsea, London, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £45,000 per annum
friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...