276 to 300 of 306 Java Jobs in London

Senior Software Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65,000
Senior Software Engineer (Python/Java, AWS) London, Manchester or Cheltenham - primarily on site £60,000-£65,000 per annum basic salary, with some flexibility at the top end for the right candidate £15,000-£20,000 per annum in additional compensation related to clearance and wider benefits No clearance … flexibility can be discussed. From a technical standpoint, the team is looking for experienced software engineers with strong skills in either Python or Java alongside AWS, with the ability to work across a modern cloud environment. Beyond that, we aren't especially rigid: there are several areas within the programme ...

Senior Software Engineer

Hiring Organisation
Formula
Location
City of London, London, United Kingdom
platform. While having essential responsibility for both building and maintaining backend services across the board. What You'll Be Doing Designing and implementing scalable Java backend services for sports data ingestion and processing Maintaining and improving data pipelines that enrich and distribute sports data across internal platforms Ensuring reliability, scalability … resolving production incidents related to data feeds and pipelines Contributing to code reviews and engineering best practices What We're Looking For Strong Java experience and solid software engineering fundamentals Experience with ElasticSearch, Redis, and SQL/NoSQL databases Kubernetes deployment and cloud platforms (GCP or equivalent) Network routing experience ...

Senior Software Engineer

Hiring Organisation
Apex Systems
Location
London Area, United Kingdom
Type : Contract Duration:12 months Location : London (EC2A 2FA), UK Hybrid/Onsite : 5 days required onsite. Job Description: Must Haves : Strong backend experience (Java) Infrastructure as Code experience (AWS CDK preferred) Deep AWS knowledge Understands how AWS deploys and manages infrastructure Experience operating production systems Availability Metrics Alarms Incident … maintaining availability and security • Participate in on-call rotations and operational excellence practices Basic Qualifications • Professional software development experience • Proficiency our two primary languages (Java, TypeScript) • Experience designing and building distributed systems or backend services • Experience with cloud infrastructure (AWS — e.g., Ec2, NLB, ElastiCache, Lambda, DynamoDB) • Experience with infrastructure ...

Sr AI Solutions Consultant

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
computer vision, and LLMs, to optimize document processing, data extraction, and decision-making workflows Programming and Development : Apply relevant programming skills (e.g., Python, Java, or .NET) to support solution development and customization within TotalAgility Technology Innovation : Identify opportunities to integrate emerging technologies into client solutions, driving innovation and competitive advantage … with cloud architecture and deployments, including designing scalable and secure cloud-based solutions Core Competencies Technical Skills Proficiency in relevant programming languages (e.g., Python, Java, .NET) to support solution development Experience with cloud architecture and deployments Understanding of enterprise security practices and compliance frameworks Knowledge of AI/ML model ...

Full Stack Engineer

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
Role: Software Engineer (Full Stack) Locations: London (must be willing to travel to client sites throughout the UK on an ad hoc basis) Accenture is a leading global professional services company, providing a broad range ...

Java Automation Test Engineer

Hiring Organisation
Sparta Global Limited
Location
South Croydon, Surrey, United Kingdom
Employment Type
Permanent
Salary
GBP 24,000 Annual
passionate and committed individuals who want to kickstart a career in technology! You must be willing to complete full-time training in our Java Automation Engineer programme and will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan' consultant. ...

Devops Engineer

Hiring Organisation
Ascendion
Location
London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
seeking a proactive DevOps Engineer/Application Deployment Specialist with hands-on experience in infrastructure automation, application deployment, and Tomcat server configuration for enterprise Java applications on Linux-based platform. The role is responsible for end-to-end deployment, including provisioning infrastructure, configuring servers, and managing releases of enterprise Java … applications. Required Skills: Experience with Terraform, Tomcat, Java/Spring, Oracle SQL, Jenkins, Git, and Unix shell scripting. Proven ability to deploy and troubleshoot Java applications. Knowledge of blueprint-based provisioning, pave/repave processes, and SR/DR activities. Strong problem-solving, communication, and collaboration skills. ...

Tech Lead - Java and React

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£650 - £850 per day
Tech Lead (Java/React) - Media Industry £650 - £850/day Outside IR35 London (Hybrid) We're looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership … engineering best practices and code quality Improving team performance and delivery pace Collaborating with global product and technical stakeholders Contributing hands-on across a Java (backend) and React (frontend) stack Helping rebuild confidence in a key global project What We're Looking For Proven experience as a Tech Lead - hands ...

Lead UI Developer

Hiring Organisation
GCS
Location
London Area, United Kingdom
Title: Lead UI Developer with Java Job Type: Contract Location: London Must Have Skills: React, Redux, Java, Fixed Income, e-Trading, AG Grid, RFQ Fixed Income IT product team is looking to hire a lead UI developer with over 10 years experience delivering enterprise level front office e-trading applications. … candidate will be primarily responsible for development for the Triforce Credit Project. Languages: JavaScript & TypeScript (10years+) Front end Frameworks: React & Redux (10years+) BackEnd: JAVA (5 years + ...

Test Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 Daily
ensuring the quality and reliability of complex digital solutions, bringing strong automation and integration testing expertise across a modern TypeScript and/or Java technology stack. KEY RESPONSIBILITIES Design, build, and maintain automated test suites using Playwright or Selenium Write and maintain test code in TypeScript and/or Java … candidates without this will not be considered Strong experience in test automation using Playwright and/or Selenium Proficient in TypeScript and/or Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems ...

Test Engineer

Hiring Organisation
Brio Digital
Location
London, Baker Street, United Kingdom
Employment Type
Contract
Contract Rate
£400/day
ensuring the quality and reliability of complex digital solutions, bringing strong automation and integration testing expertise across a modern TypeScript and/or Java technology stack. KEY RESPONSIBILITIES Design, build, and maintain automated test suites using Playwright or Selenium Write and maintain test code in TypeScript and/or Java … candidates without this will not be considered Strong experience in test automation using Playwright and/or Selenium Proficient in TypeScript and/or Java for test development Solid experience with CI/CD tooling and integrating automated tests into deployment pipelines Proven integration testing experience across complex, distributed systems ...

Solutions Architect

Hiring Organisation
Bestman Solutions
Location
City of London, London, United Kingdom
major financial market infrastructure is undergoing a multi-year transformation, moving from legacy COBOL-based systems on HPE NonStop to a modern, event-driven, Java-based architecture. This is not a simple migration. It’s a fundamental shift toward scalable, platform-independent systems built on Linux and containerised environments. … engineering standards Collaborate with security, infrastructure, and delivery teams Lead or support proof-of-concepts and prototype development Provide technical leadership, including hands-on Java development where needed Present architectural solutions to a range of stakeholders Ensure consistency, compliance, and quality across systems What you bring Core experience: Proven background ...

Head of Development, EMEA IT, IT

Hiring Organisation
CLSA Global Markets Pte Ltd
Location
London, UK
Bachelor’s degree in Computer Science, Software Engineering, or a related IT field.* 10-15 years of extensive software development experience.* Strong proficiency in Java—class creation, JVM internals, garbage collection—with certifications preferred.* Proficiency in SQL (Oracle, MS SQL, PostgreSQL), including stored procedures; certifications preferred.* Expertise in Linux command … line scripting (bash) and system administration.* Hands-on experience developing low-latency, high-throughput Java components.* Practical experience building cash equity trading platforms—OMS, EMS, Market Connectivity, Risk, GUI, Middleware, Middle Office.* Deep understanding of fundamental computer science concepts.* Experience with distributed caching technologies (GigaSpaces, Ignite, Coherence).* Full-stack ...

DevOps

Hiring Organisation
Apache Associates
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
passionate about scalability, resilience, and secure systems design. Key Responsibilities Develop and customise DevOps tools, leveraging open-source technologies and programming languages such as Java, Python, and/or Go Manage, optimise, and secure diverse data stores, including object storage, inverted index systems, and relational databases Deploy and maintain distributed … management systems Key Requirements Strong software engineering background with experience in DevOps tooling and automation Proficiency in at least one of the following: Python, Java, or Go Hands-on experience with infrastructure as code and modern DevOps ecosystems Solid understanding of distributed systems, data platforms, and orchestration tools Strong focus ...

Technical Business Analyst

Hiring Organisation
Pontoon
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700/day
facilitate clarity and understanding among stakeholders. Perform testing and validation of solutions to ensure they meet business requirements. Leverage programming languages such as Python, Java, or Shell Script to support technical initiatives. Utilize GLOSS knowledge to enhance data management and reporting capabilities. Communicate findings and recommendations clearly and effectively … Proven experience as a Business Analyst or Technical Analyst, preferably within the Investment Banking sector. Proficiency in programming languages such as C, SQL, Python, Java, or Shell Script. Strong analytical skills with a keen ability to interpret complex data and generate actionable insights. Experience with database queries and documentation ...

Software Development Engineer in Test (SDET)

Hiring Organisation
Alexander Mann Solutions - Contingency
Location
London, United Kingdom
Employment Type
Contract
AMS is a global workforce solutions partner committed to creating inclusive, dynamic, and future-ready workplaces. We help organisations adapt, grow, and thrive in an ever-evolving world by building, shaping, and optimising diverse talent ...

Backend Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £522/day
building systems that ensure every production code change meets regulatory standards across thousands of repositories What You'll Do Architect & Build: Develop Java-based backend services (Spring Boot, Apollo) to enforce compliance controls within a GitHub Enterprise environment. Must have Skillset: Java, Springboot, GCP, GKE Who You Are Expert Developer … Java experience (Spring Boot, Bazel, Maven) with a focus on distributed services and Kubernetes (GKE). System Designer: Strong skills in API design (gRPC, GraphQL, REST) and relational databases like PostgreSQL. Cloud Proficient: Hands-on experience with GCP services, including BigQuery and Cloud SQL. Security Minded: Experience with (or strong ...

Tech Lead - Java and React

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 650 - 850 Daily
Tech Lead (Java/React) - Media Industry £650 - £850/day Outside IR35 London (Hybrid) We're looking for a hands-on Tech Lead to step into a high-impact role on a media platform that urgently needs strong technical leadership. This is an opportunity to take ownership ...

Full Stack Engineer

Hiring Organisation
CBTS
Location
City of London, London, United Kingdom
days/week, 2 days/week WFH Years of Exp: 3-9 years Skills: Full Stack, Kotlin (essential), TypeScript (essential), CI/CD, Java £25-£40/hr depending on experience and assessment level, Inside IR35 Visa sponsorship is not available. Strong fundamentals of Computer Science to scale developments. … Excellent communication & interpersonal skills. Creative and a good team worker. Kotlin (or strong Java) & TypeScript mainly – full stack ideally. Fundamentals are very important. Data structures, algorithms & system designs. Online test will be given in the first instance. Successful candidates will go through a 2 round interview process. GitHub could help ...

Senior Python Engineer - Equities Risk & PnL Technology

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
platforms within a front-office environment. Key responsibilities include: Designing and developing scalable server-side components in Python (with some exposure to Java where required) Building and enhancing systems that support real-time risk, pricing and PnL calculations Working closely with traders, quants and product stakeholders to understand complex requirements … skills - ability to operate in a fast-paced front-office environment Familiarity with Agile/Lean development practices Desirable: Experience with internal risk platforms Java exposure Computer Science (or equivalent) background McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds. ...

Head of Software Engineering

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
execute development strategy aligned to business goals Own software delivery processes, timelines, quality standards and output Provide hands-on technical leadership within a Java environment Drive best practice across Agile, DevOps, CI/CD and engineering governance Manage and develop offshore engineering teams across multiple locations Build strong communication frameworks … initiatives Act as a succession hire for a future Deputy CTO role What They’re Looking For Strong background in software engineering with deep Java experience Proven leadership experience running engineering teams and delivery functions Track record managing offshore or distributed development teams Experience owning the full software development lifecycle ...

Senior Software Engineer

Hiring Organisation
Burns Sheehan
Location
City of London, London, United Kingdom
Senior Software Engineer | Distributed Systems | Sustainable Cloud Native Platform 💸Up to £110,000 per annum plus bonus plus stock 🏠Central London office 🖱️Golang, Rust, C, Kubernetes, Linux, Cloud Native, Distributed systems... Are you a Senior ...

GCP Data Engineer - up to £85,000 + Bonus - Hybrid/London

Hiring Organisation
Involved Solutions
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
cloud data architectures on GCP Develop solutions using services such as BigQuery, Dataflow, Spanner and Cloud Storage Build and maintain code using Python, Java or Scala for data transformation and processing Optimise data pipelines, queries and workloads for performance and scalability Implement data quality, validation and governance controls Collaborate with … Data Engineer: Strong experience as a Data Engineer within GCP environments Hands-on experience with BigQuery, Dataflow and Spanner Strong programming capability in Python, Java or Scala Experience with Apache Beam/Dataflow and distributed processing frameworks Experience designing and managing ETL/ELT pipelines Solid understanding of data modelling ...

Guidewire Developer

Hiring Organisation
Pioneer Search Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 - 65,000 Annual
play a key role in the development, configuration and optimisation of the Guidewire platform, working extensively with Gosu as the core programming language, alongside Java where required. This role requires a strong hands-on Gosu developer, comfortable building and customising Guidewire application. You will be involved in both the ongoing … Responsibilities: Design, develop and maintain Guidewire configurations using Gosu Write and optimise Gosu code across business rules, workflows, integrations and UI components Work with Java-based components and APIs within the Guidewire ecosystem Support the migration to Guidewire, contributing to build, configuration and delivery Collaborate with business analysts and stakeholders ...

Low Latency Engineer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
banks, asset managers, fintechs and exchanges. This role sits at the intersection of engineering excellence, client engagement, and strategic delivery — working hands-on in Java to design and build highly performant, resilient, low-latency trading platforms across OMS, EMS and exchange connectivity environments. What you’ll be doing Designing … mentoring engineers, driving technical quality across teams Escalating and articulating technical risks clearly to leadership and clients What we’re looking for Strong Java engineering background with a focus on highly performant, low-latency systems Significant experience in capital markets technology environments Experience building solutions within: Order Management Systems ...