151 to 175 of 346 Java Jobs in London

Java Developer

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £850/day
Independently manage production issues and navigate ambiguous environments. Contribute across the full software delivery lifecycle within smaller team settings. Essential Skills Strong experience with Java and Spring Boot. Proficiency in working with event-driven systems like Kafka. Comfortable with Kubernetes environments. Familiarity with CI/CD pipelines and deployment concepts. … dynamic and collaborative environment where engineers are encouraged to contribute across the full software delivery lifecycle. Utilise cutting-edge technologies such as Java, Spring Boot, Kubernetes, CI/CD, Azure, Kafka, AWS, and GCP to deliver impactful solutions. Enjoy a work culture that promotes independence, teamwork, and operational ownership. Location ...

Java Software Engineer

Hiring Organisation
Information Tech Consultants
Location
City of London, Greater London, UK
Hiring: Junior Java Spring-boot Developer Location: Onsite (London) Type: Full-time | Permanent Level: Junior London based candidates only. Job Summary: We are seeking a skilled and motivated Java Developer to join our growing software development team. As a Java Developer, you will be responsible for designing, developing, and maintaining … high-performance, scalable, and reliable Java-based applications. You’ll collaborate with cross-functional teams to deliver robust software solutions that meet business requirements. Company Profile: Information Tech Consultants Ltd is a UK-based IT consultancy working with global clients including Fortune 500 & FTSE 100 companies. We are seeking ...

DevOps Engineer

Hiring Organisation
Evantis Recruitment
Location
City of London, London, United Kingdom
with multiple extensions London, UK (5 days onsite) Domain: Banking/Finance/Trading – Market Risk Skills: SRE experience with Python-based applications (not Java) Exposure to cloud technologies Trade Lifecycle/Market Risk/Risk platform experience Experience: Minimum 8+ years ...

Senior Lead Engineer - Post-Trade Cloud Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
engaging in technical design, contributing throughout the product life cycle, and ensuring robust and scalable solutions. The ideal candidate should possess strong experience in Java and microservices architecture, alongside a commitment to agile methodologies. #J-18808-Ljbffr ...

Senior Risk Software Engineer — AI-Driven CI/CD Leader

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
delivering enterprise-grade platforms. You will work on Risk technology, ensuring solutions are robust and scalable. Candidates should have strong skills in C#, Java, and .NET, along with experience in CI/CD and automation. This role requires a proactive approach to engineering excellence and mentoring of junior engineers. Competitive ...

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 ...

DevOps Engineer Contract (Active SC needed)

Hiring Organisation
True North Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£475 - £500 per day
principles including SLIs/SLOs Enjoy automation and improving platform reliability Can confidently manage monitoring and operational tooling Have experience with either Node.js, Java and/or Kotlin Thrive in collaborative engineering cultures The environment: Cloud-native engineering Modern DevOps & SRE practices High autonomy & ownership Strong engineering standards Transparent ...

Telemetry and Observability Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £500 per day
Observability/SRE/Platform Engineering background * OpenTelemetry , Prometheus, Grafana, Splunk, Elastic, Loki, or Jaeger * Kubernetes, microservices, and cloud-native platforms * Python, Go, or Java * Terraform, Helm, and IaC * SLIs, SLOs, alerting, and reliability engineering Financial services or regulated environment experience is a bonus. Great opportunity to work with cutting ...

Contract Python Developer (Investment Banking) - Front Office/Derivatives Risk/Pricing&Risk/Server

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
looking to hire a Python Developer on a long term contract role (initial 12 months) 5+ years of strong Python development experience (optional Java) with demonstrable experience of having designed and developed complex Server Side components. Experience working in Financial Services specifically within markets in Front Office derivatives risk systems ...

Infrastructure Operations Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Technical proficiency is a must, with Linux mastery being key, along with experience in Docker and Kubernetes. While not a development role, familiarity with Java applications and micro‐service‐based platforms would be a big plus. Working on projects that are helping over 40 million people nationally, this specialist ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, Greater London, UK
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 ...

Avaloq Developer

Hiring Organisation
Ubique Systems UK Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
solving skills Strong in communication, able to relate to relevant internal and external stakeholders along with end users Good to Have Working knowledge in Java, PL/SQL, Oracle Angular experience is an added plus ...

Data Architect

Hiring Organisation
Experis
Location
London Area, United Kingdom
delivery ownership and problem-solving ability Excellent communication and stakeholder management skills Proficiency in SQL and programming languages such as Python or Java What’s Offered Competitive holiday allowance Private healthcare and wellbeing benefits Discounted fitness memberships Hybrid working with home office support Ongoing learning and development Pension, life insurance ...

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 ...

Full Stack Engineer

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
maintainable code, systems design and software architecture Experience working across multiple technology stacks Strong experience with library‐appropriate, strongly typed languages such as C++, Java, C#, Go or Rust, along with relevant front‐end frameworks High adaptability and the ability to learn new technologies quickly Interest in modern technologies such ...

Senior Penetration Tester

Hiring Organisation
Arcus Search
Location
City of London, Greater London, UK
just find problems — you help fix them. Have solid experience in penetration testing and offensive security Can spot vulnerabilities in code (especially Java and Node.js) Understand modern architectures — AWS, microservices, APIs Communicate clearly and give practical, actionable remediation advice Comfortable scripting and contributing to larger projects in Python Take ownership ...

Front-End Engineer (React) : Trading : £120-180k plus excellent bonus : London

Hiring Organisation
Hunter Bond
Location
City of London, Greater London, UK
modern React frameworks WebSockets, streaming data, or real-time UI updates D3.js, charting libraries, or custom data visualisation Backend languages such as Python, C++, Java, or Go Familiarity with GraphQL, RESTful APIs, or event-driven systems Nice to Have (But Not Required) Exposure to financial markets, trading systems, or time ...

C# Developer - Front Office Engineering | Hedge Fund - London

Hiring Organisation
Undisclosed
Location
City of London, Greater London, UK
central to the team’s core systems Python is widely used across quant and data groups Open to candidates from other OO backgrounds (C++, Java, Go) with strong fundamentals Exposure to high‐performance, low‐latency, or business‐critical systems is valuable Financial markets experience is not essential, but interest ...

Back End Developer

Hiring Organisation
Hyalli
Location
London, UK
clean, tested, maintainable code • Iterating quickly based on real user feedback ⸻ What We Are Looking For • Proven experience with server-side languages — C#, Python, Java, Node.js, or similar • Strong knowledge of RESTful API development (ASP.NET Web API or equivalent) • Solid understanding of database design — SQL, T-SQL, PL/ ...

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 ...

Site Reliability Engineer, Region Services

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Experience in networking, storage systems, operating systems, and hands‐on systems engineering Experience programming with at least one modern language such as C++, C#, Java, Python, Golang, PowerShell, Ruby Preferred Qualifications Experience with Ansible (preferred), PowerShell or JavaScript/TypeScript Amazon is an equal opportunity employer and does not discriminate ...

Senior Cyber Security Analyst

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
methodologies End-to-end incident response lifecycle experience Detection engineering and alert development expertise. Strong scripting or programming skills (Python, Bash, C/C++, Java). Solid grounding in cybersecurity fundamentals: network security, cloud security, cryptography, forensics. Understanding of common network protocols and attacker abuse patterns. Awareness of current ...

Senior C# Developer (Contract) - Front Office Engineering | Hedge Fund

Hiring Organisation
Undisclosed
Location
London, UK
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 Additional interests: Experience working in front‐office or trading‐technology ...

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

Hiring Organisation
Undisclosed
Location
City of London, Greater London, UK
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 ...