151 to 175 of 341 Java Jobs in London

Senior Java Software Engineer

Hiring Organisation
Thyme
Location
City of London, London, United Kingdom
Senior Java Engineer (Core Java) £115,000 - £145,000 Central London - Hybrid A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some of the most sophisticated technology … throughput distributed systems, solving complex engineering problems at scale within a collaborative, high-performing team. Key Responsibilities Design, build and maintain high-performance distributed Java services Contribute across design, development, testing, deployment and support Collaborate closely with other engineers to deliver customer-centric solutions Mentor and be mentored within ...

Java Developer (Remote)

Hiring Organisation
Joveo Ai
Location
Central London, UK
predictive analytics — helping the world's largest employers find the right people, faster and fairer. But we're not done. Not even close. Role: Java Developer Location: Remote Role Overview: We are hiring a Java Developer to build high-performance backend services that operate at Joveo's scale. You will … design and maintain core Java systems — from microservices to event-driven architecture — ensuring reliability and throughput for millions of daily transactions. Key Responsibilities: - Develop and maintain backend microservices and APIs in Java - Design scalable service architectures using Spring Boot or similar frameworks - Write performant, thread-safe, and well-tested code ...

Creative Technologist

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 500 - 550 Daily
prototypes using technologies such as AI, immersive tech AR/VR, sensors, and cloud platforms. Key skills: GCP Cloud/Kubernetes JavaScript, Python or Java AI/ML/Generative AI UX/UI understanding Unity or 3D engines desirable 2 click apply for full job details ...

Software Engineer | High-Frequency Trading

Hiring Organisation
Fionics
Location
London Area, 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 ...

Senior Salesforce QA Engineer

Hiring Organisation
Nicholas Howard Ltd
Location
London, UK
platform testing, integration testing (SAP useful), manual and automated experience, JIRA (or wider test management tools, TestRail or similar), whilst some scripting skills in Java or Python would also be an added bonus! There will be an opporutunity to lead, coach and mentor junior team members, with progression ...

Lead Fullstack Developer

Hiring Organisation
Sanderson Government and Defence
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £550 per day + Inside IR35
Release preparation Show and tells and demonstrations Tech stack: Typescript on NodeJS AWS Cloudwatch, Lambda, SQS, S3, RDS and DDB Terraform PostgreSQL Scala/Java Jira, Slack, Teams and Figma (Collaboration tooling) Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive ...

Data Engineer

Hiring Organisation
Fimador
Location
London, UK
quality practices. Preferred Experience Databricks in a SaaS environment, Spark, Python, and database technologies. Event-driven and distributed systems (Kafka, AWS SNS/SQS, Java, Python). Data Governance, Data Lakehouse/Data Intelligence platforms. AI software delivery and AI data preparation. ...

Senior Android Developer

Hiring Organisation
Auxo Talent
Location
City of London, London, United Kingdom
latest Android trends, tools, and technologies Required Skills & Experience 5+ years of experience in Android development Strong proficiency in Kotlin (and solid knowledge of Java) Experience with modern Android architecture patterns ( MVVM, Clean Architecture ) Deep understanding of Android SDK, Jetpack components, and app lifecycle Experience with RESTful APIs and third ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
London Area, 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 ...

Data Science Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
stakeholders What We're Looking For Essential: Strong interest in data, particularly Data Science and Machine Learning Solid software engineering background with experience in Java, Python or TypeScript Hands-on experience with cloud platforms DV Clearance in place Location & Working Pattern: Candidates must be aligned to either London or Manchester ...

Technical Business Analyst

Hiring Organisation
Miller Maxwell Ltd
Location
Greater London, England, United Kingdom
front-office, brokerage, exchange, ISV, software vendor or market data business. Experience within Equities or Fixed Income markets. Familiarity with modern tech stacks, including Java, Python or C++. Experience working within an electronic trading environment is essential. Excellent analytical, communication, and stakeholder management skills. 🌍 Why Join? You’ll be part ...

Data Science Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, UK
stakeholders What We're Looking For Essential: Strong interest in data, particularly Data Science and Machine Learning Solid software engineering background with experience in Java, Python or TypeScript Hands-on experience with cloud platforms DV Clearance in place Location & Working Pattern: Candidates must be aligned xehkeey to either London ...

DevOps Engineer / ElasticSearch SME

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450.0 - £500.0 per day + up to £500pd (inside IR35)
Linux 8, Windows Server 2008/2016/2019, VMware ESX v6, Docker, IBM Initiate (Master Data Management) Nice to have: Working experience with Java 8, 5, 6, 11, Enterprise JavaBeans (EJB) and JSP Immediate availability If you're interested in this role, click 'apply now' to forward ...

Quantitative Analyst

Hiring Organisation
Anson McCade
Location
City Of London, England, United Kingdom
Science, Engineering, or another quantitative/technical discipline Required Skills Strong programming ability in at least one major language such as Python, C++, or Java Excellent attention to detail and a methodical approach to problem solving Strong communication skills and the ability to work effectively with teams across multiple global ...

Data Engineer

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
experience: • Active SC clearance and experience operating within secure or regulated environments • Strong coding background with at least one of the following: Python, Java, C# or JavaScript, alongside general software engineering principles • Experience building data pipelines, including ingestion, transformation, and orchestration of large datasets • Familiarity with handling structured and unstructured ...

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 ...

Data Engineer

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
Strong AWS expertise, including tools such as Glue, Lambda, Kinesis, EMR, Athena, DynamoDB, CloudWatch, SNS and Step Functions. Skilled in modern programming, particularly Python, Java, Scala and PySpark. Solid knowledge of data storage and big data technologies, including data warehouses, databases, Redshift, RDS and Hadoop. Experience building and managing ...

Workday Integration Lead

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
interfaces. Utilise Workday Studio, Workday Web Services (WWS), EIB, and Cloud Connect (CCW, PECI) for integration tasks. Apply coding skills such as XSLT, XML, Java, SQL, and other integration technologies to build scalable and efficient custom integrations. Ensure accurate and seamless data flow between Workday and other enterprise systems. Identify ...

QA Automation Test Engineer CGEMJP00337230

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Selenium WebDriver and UI automation frameworks Proven experience designing and executing load, stress, and scalability tests Proficiency in one or more automation languages (Python, Java) Knowledge of: Distributed workload execution Multi-threading and parallelisation concepts REST API testing and validation Familiarity with Microsoft PowerBI, Fabric workloads, or similar analytical tools ...

Software Architect (Remote in UK)

Hiring Organisation
Orange Logic
Location
East London, London, United Kingdom
years’ practical experience on a web-based application Proficient with English (both verbal and written) Proficient with any back-end programming languages (i.e. C#, Java, Python, C++, etc.) Outstanding knowledge of software and application design and architecture Highly analytical mindset, with an ability to see both big picture ...

Software Architect (Remote in UK)

Hiring Organisation
Orange Logic
Location
City of London, London, United Kingdom
years’ practical experience on a web-based application Proficient with English (both verbal and written) Proficient with any back-end programming languages (i.e. C#, Java, Python, C++, etc.) Outstanding knowledge of software and application design and architecture Highly analytical mindset, with an ability to see both big picture ...

Senior C# Developer - Head of Core Platform | Hedge Fund | London

Hiring Organisation
Undisclosed
Location
City of London, London, United Kingdom
essential for this role) Python within quant or data environments The client will also consider exceptional engineers from other OOP backgrounds such as C++ , Java , or Go Familiarity with UI technologies such as WinForms, WPF, Blazor Hybrid, and Blazor Web Leadership & Approach Experience working in front‐office or trading‐technology ...

Salesforce Engineer - Certinia, CPQ, Billing

Hiring Organisation
Stepstone UK
Location
London, UK
Employment Type
Full-time
jargon into technical tasks and be responsible for having discussion with business stakeholders and product Work with the following tech/tools/methodology; Java, JavaScript, HTML, CSS, TDD, Agile, pair programming, Bitbucket, Bamboo Qualifications Experience in the Salesforce platform Apex, Aura/LWC, Visualforce development with a strong understanding ...

Junior Project Manager

Hiring Organisation
Amelco Limited
Location
London Area, United Kingdom
roadmaps. Reporting to the Head of Project Management the candidate will work with an agile development team comprising a Technical Product Manager, Product team, Java developers, Client developers and Testers. You will have good interpersonal skills and the ability to work with a wide range of personalities, both internal ...

Salesforce Engineer - Certinia, CPQ, Billing

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
jargon into technical tasks and be responsible for having discussion with business stakeholders and product Work with the following tech/tools/methodology; Java, JavaScript, HTML, CSS, TDD, Agile, pair programming, Bitbucket, Bamboo Qualifications Experience in the Salesforce platform Apex, Aura/LWC, Visualforce development with a strong understanding ...