1 to 25 of 393 Permanent Java Jobs in Slough

Role: Java Software Engineer/Java Developer 🌍 Location: Central London - hybrid 2 days a week onsite 💰 Salary: £60,000-£80,000 🛠 Key Skills: Core Java/SE, XML, JSON, Junit, APIs, complex/high-traffic systems A leading global B2B SaaS technology company is seeking Java Developers at all levels … volume XML integrations, time-sensitive bug fixes, and contributing to innovative new features and products. Key Responsibilities: Develop and maintain robust backend systems in Java (Java 17). Work on complex system integrations with third-party suppliers and distributors. Handle XML feeds, web scraping, and high-frequency search processing. Deliver … Collaborate on product design and contribute to new functionality. Work both independently and in agile teams with shifting priorities. Required Skills and Experience: Strong Java SDK/J2SE programming knowledge. Solid grasp of algorithms, data structures, and object-oriented design patterns. Proactive attitude and ability to take ownership of projects. More ❯

Contract - 12 months (Inside IR35) - Java Developer (Front Office) Synechron's global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron’s progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of … website or LinkedIn community. Are you passionate about bringing systems to life? Do you have the drive to innovate? We are looking for a Java Developer who has worked in Front Office, Capital Markets environment. Required Skills/Experience: 7 + years hands on Java development experience in a front … office environment Capital markets experience Java – Java 8+, Spring Boot, Microservices, Kafka, DB Strong Java script knowledge in React or Angular is useful Python – flask You'll be required to work in our or our clients office 3 days per week (both City based More ❯

contract position, paying £550 per day** We’re in search of a Full Stack Developer who has worked in an enterprise microservices environment. The Java Full Stack Developer will be based mainly at our client's London offices and will be expected to work on a hybrid model. This is … Codes, tests and debugs complex applications programs Develops prototypes from functional specifications Assists users in testing, training, and preparation for deployment and operations The Java Full Stack Developer is required to possess he following skills and experience Good knowledge and experience working with Java as a primary programming language Java … Java 8+, Springboot, Microservices, Kafka, DB React/Angular – Strong Java script knowledge is important. Python – flask Experience in a Front Office Capital Markets capacity More ❯

Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript G.Digital have exclusively partnered with a growing FinTech who are looking for a Senior Java Engineer. 🔧 What You’ll Do: Design, develop, and maintain high-performance Java applications Collaborate with cross-functional teams to define, design, and ship new features … of applications Mentor junior developers and provide technical leadership Advocate for clean, scalable, and maintainable code ✅ What you will need: 5+ years of professional Java development experience Experience working with TypeScript to help with frontend bottlenecks Strong understanding of Spring/Spring Boot, REST APIs, and microservices architecture Solid knowledge … plus Excellent problem-solving skills and a team-first mindset 💡 Bonus Points For: Experience with Python 🚀 Package up to £75k remote working bonus Senior Java Developer - £75k | FinTech | remote | Java, React, AWS, TypeScript More ❯

driven Architecture, Microservices, Domain-driven design, SOLID, DRY, SoC, etc. • Software development background of large-scale distributed systems with exposure to multiple languages (like Java, C#, Go, Scala, Python etc.) • Hands-on experience with frameworks like Spring Boot, Node.js • Experience with/exposure to frontend technology frameworks like React, Angular More ❯

Proven experience as an architect or senior developer working with Camunda BPM. Strong knowledge of BPMN, DMN, and CMMN standards. Hands-on experience with Java, Spring Boot, REST APIs, and microservices architecture. Familiarity with Kafka, cloud platforms (AWS/GCP/Azure), and containerization (Docker/Kubernetes). Strong leadership More ❯

areas of Build, Integration Suite , and SAP Datasphere . Expertise in professional code development, including hands-on experience with modern programming languages such as Java, Python, or JavaScript. Strong understanding of cloud-based platforms, particularly SAP BTP, and its components (Integration Suite, SAP Build, SAP Datasphere). Hands-on experience More ❯

years of professional experience in backend development, preferably in fintech or a related industry. Proficiency in Python (primary), with experience in Go, Java, or Node.js as a plus. Familiarity with databases (SQL: PostgreSQL, MySQL; NoSQL: MongoDB, DynamoDB) and data processing frameworks. Strong understanding of RESTful APIs, microservices architecture, and event More ❯

with MacOS Strong understanding of Git and CI/CD pipelines, ideally using GitLab Preferred - Proficient in one additional programming language such as C Java/C# Knowledge of security practices, auditing, and adherence to compliance standards in financial environments Qualifications - STEM Degree/Masters or related subject Why join More ❯

Low Latency Java Developer London (Hybrid) Contract Outside IR35 ~£800-£1,000 (potential flex for top candidates) Source Technology have multiple high-performance Java developer roles available on projects at a tier one investment bank across FX and Cash Equities. What You’ll Do: Develop and optimise ultra-low latency … monitoring, reconciliation, and recovery. Implement automated testing and CI/CD best practices. What We’re Looking For: 10+ years' experience in low-latency Java (Java 11+) development. Expertise in JVM tuning, asynchronous programming, and high-performance messaging. Strong understanding of exchange connectivity, market data feeds, and FIX protocol. Experience … a remote-friendly role with up to a maximum of 2 days in the office per week, but flexible. If you're an experienced Java Developer who has worked on low-latency trading systems, ideally within the equities or FX space, interested in a new role outside IR35 apply now More ❯

Low latency Java Developer - Algo Trading Up to £160,000 p/a Leading London-based trading firm has an outstanding opportunity for a Java Developer to join their low latency trading team. Our client quant prop trading house with performance figures of 22%. They are currently looking to … expand their high and intraday trading presence across FX, equities and commodities. The Java Developer will: Work closely with the Head of Trading and the Quant Team and assist in design and development of new trading algorithms, mainly in Java Help engineer a new greenfield low latency trading platform Work … are made efficiently; changes are implemented quickly. It’s a friendly, open place where people are motivated because they enjoy what they’re doing. Java Developers MUST have: Computer Science or Machine learning BSc or Masters or PhD from a top 40 University Globally Some commercial Java Development experience; we More ❯

for upcoming positions, we’d welcome a confidential conversation. We’re especially interested in those with experience in: Software development using C#/.NET , Java , or JavaScript frameworks (such as Angular, React, Node.js) Cloud and DevOps tools (Azure, AWS, CI/CD, containerisation with Docker/Kubernetes) API development , integration More ❯

and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2024 totaled $13.8 billion. Primary: • 6-10 yrs experience • Expertise in Java, Spring, Spring boot, Microservices and cloud • Experienced in Helm/Kubernetes/Docker/Containerisation • Experience in working on an Agile/Scrum environment • Experience More ❯

Must have Current Security Clearance at DV level and have been born in the UK. This is essential for this role Proficient in current Java and other languages such as Python. Experience of developing on Linux. Thorough understanding of mocking up and unit testing frameworks such as JUnit 5.x (Jupiter More ❯

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 More ❯

Job Description: Role Highlights: Location: Hybrid - Reading, Croydon Type: full-time Budget: 65K GBP SC clear is mandatory Job Title: Java Full stack Software Engineer Job Description: Opportunity for talented Full Stack Software Engineer to join collaborative engineering team. This role will focus on design, architecture, and implementation of software … and principles, utilizing concepts of clean architecture and clean code. Primary Responsibilities: Develop and maintain server-side and client-side applications using React, TypeScript, Java, Spring Boot, ensuring code quality, efficiency, and adherence to best practices. Design and implement scalable and efficient data structures and algorithms to optimize application performance. … and upgrade existing systems. Participate in code reviews to maintain code quality and share knowledge. Stay updated with industry trends and technologies related to Java, React, Spring Boot, CI/CD, Kubernetes, cloud technologies, and microservices Required Qualifications: Proficiency in React and its core principles, including hooks, state management, and More ❯

with Agile ways of working. Strong communication skills Nice to have: Working knowledge of Kafka/Docker/Jenkins/Postgres/Liquibase/Java NPPV3 Clearance If interested, with relevant experience, please apply with your latest CV ASAP. Hays Specialist Recruitment Limited acts as an employment agency for permanent More ❯

program errors Preparation of operating instructions Documentation of program development Analysis of system capabilities Your skillset may include some of the below: Experience with Java or Python Experience developing on Linux Understanding of mocking up and unit testing frameworks Experienced with Git version control Knowledge of Agile Development using SCRUM More ❯

safeguard data integrity. Actively contribute to agile development processes, participating in sprint planning and team ceremonies. Requirements: 8+ years of backend development experience with Java, ideally within commodities trading or financial services. Hands-on experience delivering complex integration projects. Proven ability to design and build high-performance, low-latency integration More ❯

on complex systems, data pipelines, and API development. Expertise with backend languages such as JavaScript/TypeScript (Node.js); additional experience with Python, Go, or Java is a plus. Strong experience with MySQL/PostgreSQL and MongoDB, including schema design and query optimisation. Cloud experience (AWS preferred), with services relevant to More ❯

the public sector or government projects.In-depth knowledge of AWS services including EC2, S3, RDS, Lambda, and others.Proficiency in programming languages such as Python, Java, or Ruby, with a focus on JavaScript.Experience with containerization technologies like Docker and orchestration tools such as Kubernetes or ECS.Strong understanding of cloud security best More ❯

across teams. Key Skills and Experience 6+ years of experience in backend development and integration engineering. Proficiency in programming languages such as C#, .NET, Java, or Python. Experience in financial services or banking, with an understanding of regulatory and security requirements. Strong experience designing and implementing RESTful APIs and working More ❯

or equivalent technical role. • Proven track record designing enterprise-level solutions across various platforms and technologies. • Proficiency in at least one programming language (e.g., Java, Python, C#). • Strong understanding of cloud platforms (AWS, Azure, or Google Cloud) and modern architectural approaches. • Hands-on experience with APIs, microservices, containerisation (e.g. More ❯

testing to deployment. Exposure to pipeline automation tools. Should have experience with integrating applications using APIs. Understanding of GraphQL advantageous. Exposure to C#/Java, SQL, back end development or integration and willing to learn more. Exposure to AWS, S3, Lambdas, SNS, SQS or equivalents on other cloud environments. Some More ❯

by example. Strong communication and stakeholder engagement skills. A degree in Computer Science, Engineering, Data Science, or a similar field. Tech Stack Highlights Python Java AWS (including Bedrock) Claude Terraform Docker MySQL GitHub & GitHub Actions Perks and Benefits Competitive salary package 25 days holiday (Not including bank holidays) Flexible remote More ❯