1 to 25 of 31 Permanent Java Engineer Jobs in Buckinghamshire

Looking to play your part in a revolutionary movement with sustainable energy? Are you a Core Java expert with extensive experience using concurrency, low latency and multithreaded applications? FULLY REMOTE Senior Java Engineer - Tech for Good Salary: up to £120k Location: Fully Remote from anywhere in the … UK We have a fantastic new opportunity for all you Java Engineers looking to get stuck into a new challenge working on exciting projects solving real-world problems. They are also very big supporters of Diversity & Inclusion so welcome all candidates. A unique energy software platform helping consumers transition … towards a sustainable future are looking for enthusiastic and knowledgeable Senior Java Engineers with a strong comprehension of the Core Java principles, including Multithreading, Concurrency and Low Latency to join their growing team. In this fantastic Senior Java Engineer role: You will have ownership over your More ❯

Looking to play your part in a revolutionary movement with sustainable energy? Are you a Core Java expert with extensive experience using concurrency, low latency and multithreaded applications? FULLY REMOTE Senior Java Engineer - Tech for Good Salary: up to £120k Location: Fully Remote from anywhere in the … UK We have a fantastic new opportunity for all you Java Engineers looking to get stuck into a new challenge working on exciting projects solving real-world problems. They are also very big supporters of Diversity & Inclusion so welcome all candidates. A unique energy software platform helping consumers transition … towards a sustainable future are looking for enthusiastic and knowledgeable Senior Java Engineers with a strong comprehension of the Core Java principles, including Multithreading, Concurrency and Low Latency to join their growing team. In this fantastic Senior Java Engineer role: You will have ownership over your More ❯

to work for a GreenTech company in zero tech debt that is committed to being the industry's top platform for a sustainable future? Java Software Engineer - GreenTech Start up! £60-90K + benefits Fully remote from anywhere in the UK We are partnered with an ‘energy … as-a-service’ platform, that was created to help both customers and suppliers advance the energy revolution. They are urgently looking for Java Software Engineers to join their rapidly growing team. Innovation is highly important to this company; they are looking for Java Software Engineers who wish to … As a technology company, they only complete GREENFIELD work, building and developing all frameworks, databases and tools from scratch. Tech stack required as a Java Software Engineer: · Core Java · C · Experience with APIs · Microservices · Multithreading, concurrency & high throughput · AWS · Kubernetes Benefits you will enjoy as a Java More ❯

to work for a GreenTech company in zero tech debt that is committed to being the industry's top platform for a sustainable future? Java Software Engineer - GreenTech Start up! £60-90K + benefits Fully remote from anywhere in the UK We are partnered with an ‘energy … as-a-service’ platform, that was created to help both customers and suppliers advance the energy revolution. They are urgently looking for Java Software Engineers to join their rapidly growing team. Innovation is highly important to this company; they are looking for Java Software Engineers who wish to … As a technology company, they only complete GREENFIELD work, building and developing all frameworks, databases and tools from scratch. Tech stack required as a Java Software Engineer: · Core Java · C · Experience with APIs · Microservices · Multithreading, concurrency & high throughput · AWS · Kubernetes Benefits you will enjoy as a Java More ❯

Job Title: Azure Data Engineer - Java Development - Heathrow Location: Heathrow - Once a month Salary/Rate: Up to £586 a day Inside IR35 Start Date: June Job Type: 6 Month Contract (with scope to extend) Company Introduction We are looking for an Azure Data Engineer with strong … Java coding experience, and experience working with Java management tools for our client in the IT Services and IT Consulting industry. Data Migration & Databricks experience is also essential for this role. You will perform complex research, design, and software development assignments within a specific software functional area or … experience on Cloud Technologies – Azure/AWS. Ability to work with complex data models. Proficiency in development languages including but not limited to: Python, Java, C/C++, HTML, XML, SQL, Windows, UNIX, and JSON. Familiarity of industry best practices — code coverage. Experience working in software development methodologies (e.g. More ❯

Job Title: Azure Data Engineer - Java Development - Heathrow Location: Heathrow - Once a month Salary/Rate: Up to £586 a day Inside IR35 Start Date: June Job Type: 6 Month Contract (with scope to extend) Company Introduction We are looking for an Azure Data Engineer with strong … Java coding experience, and experience working with Java management tools for our client in the IT Services and IT Consulting industry. Data Migration & Databricks experience is also essential for this role. You will perform complex research, design, and software development assignments within a specific software functional area or … experience on Cloud Technologies – Azure/AWS. Ability to work with complex data models. Proficiency in development languages including but not limited to: Python, Java, C/C++, HTML, XML, SQL, Windows, UNIX, and JSON. Familiarity of industry best practices — code coverage. Experience working in software development methodologies (e.g. More ❯

Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from … you. Our FinTech client could be the ideal role for you.... Skills: Commercial Java experience - ideally in a fintech, performance environment Strength with Core Java Strong understanding of TDD Clear communication and teamwork Extreme Programming (XP) principles, with a strong focus on TDD, BDD, and DDD. Pair programming … is key. We value growth and flexibility, welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration More ❯

Senior Software Engineer – Java - FinTech Remote First | London (UK) | Up to £120k + Benefits Are you a Java developer who thrives in a collaborative, test-driven environment? Do you believe in pair programming, continuous integration, and clean, maintainable code? If so, we’d love to hear from … you. Our FinTech client could be the ideal role for you.... Skills: Commercial Java experience - ideally in a fintech, performance environment Strength with Core Java Strong understanding of TDD Clear communication and teamwork Extreme Programming (XP) principles, with a strong focus on TDD, BDD, and DDD. Pair programming … is key. We value growth and flexibility, welcoming developers from all backgrounds. What You’ll Be Doing Building resilient and adaptable fintech platforms in Java Refactoring to improve code design Writing comprehensive tests for every commit Automating processes to improve efficiency Rotating across teams to enhance collaboration 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 … 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 … 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 ❯

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 … 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 … 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 ❯

Java Full Stack Engineer + Artificial Intelligence Are you self-motivated with an innovative mind, a passion for technology, and a good understanding of object orientated development? Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have … Continuously evaluate and adopt emerging technologies to improve team velocity and product impact. Basic Qualifications 7+ years of hands-on software development experience in Java (11–21) or Python . Deep expertise in backend technologies: SQL/NoSQL databases , Elasticsearch , MongoDB , Spring Boot , REST/GraphQL APIs , and ORM More ❯

Java Full Stack Engineer + Artificial Intelligence Are you self-motivated with an innovative mind, a passion for technology, and a good understanding of object orientated development? Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have … Continuously evaluate and adopt emerging technologies to improve team velocity and product impact. Basic Qualifications 7+ years of hands-on software development experience in Java (11–21) or Python . Deep expertise in backend technologies: SQL/NoSQL databases , Elasticsearch , MongoDB , Spring Boot , REST/GraphQL APIs , and ORM More ❯

Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯

Role: Principal Engineer 🥞 Stack: Java, Kotlin, AWS 📍 Location: London, Hybrid (2-4x Month) 💰 Salary: Up to £120k-£140k Xcede are partnering with a FinTech Scale up who are building out a brand new SaaS platform integrating directly with major banking intuitions. 🚀 What will you do as a … Principal Engineer? You will be leading architectural discussions and acting as the technical authority within the engineering function Collaborate with Product Managers and Engineers to optimise solutions Engage with clients to both gather requirements and understand problems that need to be solved Setting best practices and elevating capabilities of … Background building and designing large scale engineering platforms Comfortable working with both technical and non-technical stakeholders 3+ years as a Principal/Staff Engineer or Architect Dealt with clients in a commercial environment (consultancy, saas etc...) Preference for having worked within SaaS or FinTech If this sounds interesting More ❯

will then be assigned to work in a junior role with one of our trusted client partners as a 'Spartan' consultant. As a Junior Java Engineer you will: Work closely with developers, designers, analysts, and testers to build and refine digital solutions Solve real-world challenges on dynamic … abilities, and growth mindset to secure your spot in the Academy. Person specification: To qualify, you need to demonstrate some experience or understanding of Java similar technologies. Most importantly, you should have a strong eagerness to learn and grow. We're also seeking passionate individuals who align with our More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security … code review. Qualified candidate must have at least 10+ years of hands-on experience in platform security, deep knowledge of Java security model is a must. Minimum 10+ years of hands-on experience with security protocols and best practices are required. Ideal candidate is expected to work independently on … Proven past experience in successful security incident resolution and proactive research utilizing industry standard tools is a must-have. Past research and CVEs on Java security issues are a plus. Must have proficiency in Java, and expert level C/C++ skills, and systems level programming. Great personal More ❯

We are looking for a Principal Vulnerability Engineer who will be part of the security vulnerability team for the Java platform. This team conducts both the red team (offensive) and blue team (defensive) duties. Responsibilities will include proactive research, security tooling, assessments, and assisting development teams with security … code review. Qualified candidate must have at least 10+ years of hands-on experience in platform security, deep knowledge of Java security model is a must. Minimum 10+ years of hands-on experience with security protocols and best practices are required. Ideal candidate is expected to work independently on … Proven past experience in successful security incident resolution and proactive research utilizing industry standard tools is a must-have. Past research and CVEs on Java security issues are a plus. Must have proficiency in Java, and expert level C/C++ skills, and systems level programming. Great personal More ❯

Position : Senior Java Developer Location : Bournemouth, UK (Onsite – 5 days/week) Contract Type : B2B Contract Experience Required : 10+ years Start Date : ASAP Job Overview We are seeking a highly experienced Java Developer to join our team in Bournemouth. The ideal candidate will bring strong expertise in Java … cloud-native technologies including AWS (RDS, S3, EKS, Lambda, etc.) Implement infrastructure-as-code using Terraform Develop and debug large-scale distributed systems using Java, Spark, and Spring Boot Ensure smooth integration with messaging systems like Kafka and IBM MQ Optimize performance of big file handling and data-intensive … deployment, and CI/CD Contribute to platform resiliency and production support Must-Have Skills 10+ years of experience in backend development Proficient in Java , Python , and Apache Spark Strong hands-on experience with AWS services (EKS, ECS, Lambda, RDS, Aurora, SQS, SNS) Deep knowledge of Spring/Spring More ❯

Position : Senior Java Developer Location : Bournemouth, UK (Onsite – 5 days/week) Contract Type : B2B Contract Experience Required : 10+ years Start Date : ASAP Job Overview We are seeking a highly experienced Java Developer to join our team in Bournemouth. The ideal candidate will bring strong expertise in Java … cloud-native technologies including AWS (RDS, S3, EKS, Lambda, etc.) Implement infrastructure-as-code using Terraform Develop and debug large-scale distributed systems using Java, Spark, and Spring Boot Ensure smooth integration with messaging systems like Kafka and IBM MQ Optimize performance of big file handling and data-intensive … deployment, and CI/CD Contribute to platform resiliency and production support Must-Have Skills 10+ years of experience in backend development Proficient in Java , Python , and Apache Spark Strong hands-on experience with AWS services (EKS, ECS, Lambda, RDS, Aurora, SQS, SNS) Deep knowledge of Spring/Spring More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer … technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time scalability. Drive projects … A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong knowledge of Advanced More ❯

Senior Java Developer 🌍 Up to £150k 💸 - Remote Working 🏡 – 6+ years experience (PhD Required) Our client, a GreenTech specialising in optimum renewable energy software, is revolutionising the energy industry by making sustainable living accessible and effortless for both suppliers and consumers. They’re looking for a Senior Java Developer … technologies, being able to create impactful solutions in a fast-paced, collaborative environment. Role Highlights 🌟 Design and implement high-performance software systems using Core Java, without relying on frameworks. Tackle multi-threaded, low-latency challenges, manage extensive data streams, and optimise asynchronous programming for real-time scalability. Drive projects … A PhD in Computer Science and the ability to demonstrate extensive knowledge in Software Development. 6+ years with extensive hands-on experience in Core Java, developing systems from the ground up without frameworks. Advanced proficiency in multi-threading, low-latency solutions, and data stream management. Strong knowledge of Advanced More ❯

Job Opportunity: Freelance Java Developer (Outside IR35) £450–£550/day | Remote (UK-Based) | Occasional travel to Hammersmith or Farnborough We’re looking for an experienced Freelance Java Developer to join a long-term programme focused on building scalable, cloud-native platforms within the Financial Services Payments sector. … UK-based candidates, with occasional on-site collaboration in Farnborough or Hammersmith. This role is ideal for someone who takes ownership, thinks like an engineer, and enjoys working in a collaborative, delivery-focused team. What You'll Bring Strong Java development experience (Spring Boot, Microservices) Proficiency with AWS … services (Java Spark, EMR, Lambda, native AWS databases) Experience with Kubernetes and EKS Strong understanding of cloud infrastructure and distributed systems A proactive mindset with a focus on end-to-end delivery Nice to Have Background in the Payments or FinTech industry Experience with AWS Glue or large-scale More ❯

Job Opportunity: Freelance Java Developer (Outside IR35) £450–£550/day | Remote (UK-Based) | Occasional travel to Hammersmith or Farnborough We’re looking for an experienced Freelance Java Developer to join a long-term programme focused on building scalable, cloud-native platforms within the Financial Services Payments sector. … UK-based candidates, with occasional on-site collaboration in Farnborough or Hammersmith. This role is ideal for someone who takes ownership, thinks like an engineer, and enjoys working in a collaborative, delivery-focused team. What You'll Bring Strong Java development experience (Spring Boot, Microservices) Proficiency with AWS … services (Java Spark, EMR, Lambda, native AWS databases) Experience with Kubernetes and EKS Strong understanding of cloud infrastructure and distributed systems A proactive mindset with a focus on end-to-end delivery Nice to Have Background in the Payments or FinTech industry Experience with AWS Glue or large-scale More ❯

Senior Java Developer, RDBMS, API’s, REST £65,000 - £75,000 Edinburgh (remote first) My client, an established Software company, a true leader in their industry, is keen to hire a Senior Java Developer to join the core development team. With a focus on backend technologies, you will … mentor junior developers and promote knowledge sharing to enhance team skills and productivity. Degree educated, the ideal candidate will possess a deep understanding of Java enterprise development, a strong command of backend technologies and is proficient in writing and optimizing SQL queries and database schemas. You must possess strong More ❯

Senior Java Developer, RDBMS, API’s, REST £65,000 - £75,000 Edinburgh (remote first) My client, an established Software company, a true leader in their industry, is keen to hire a Senior Java Developer to join the core development team. With a focus on backend technologies, you will … mentor junior developers and promote knowledge sharing to enhance team skills and productivity. Degree educated, the ideal candidate will possess a deep understanding of Java enterprise development, a strong command of backend technologies and is proficient in writing and optimizing SQL queries and database schemas. You must possess strong More ❯