201 to 225 of 259 Permanent Senior Java Software Engineer Jobs

Senior Lead Software Engineer, Distributed Systems (Go, Java, Kubernetes, AWS) The Capital One machine learning platform organization manages our cloud-based enterprise ML+AI system providing users with development tools and runtime environments necessary to build and run machine learning and AI systems with large scale real-time and batch processing workloads. We … are seeking a Senior Lead Software engineer, who is passionate about working on large scale distributed systems to help develop foundational capabilities for our platform. You will use your experience to build large scale and highly available systems to develop our shared control plane and fleet management framework as well as distributed compute infrastructure. … program management disciplines, to deliver robust cloud-based solutions that drive powerful experiences to help millions of Americans achieve financial empowerment Utilize programming languages like Go, Python, and Java, open Source RDBMS and NoSQL databases, container orchestration services including Docker and Kubernetes, and a variety of AWS tools and services to develop highly performant solutions Basic Qualifications Bachelor More ❯

Role: Senior Java Software Engineer (pref. Location: UK Remote Sector: FinTech Start-Up Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This product, focusing on Wealth Management, is set to disrupt the sector and is already … need for 4 engineers to come on board to expedite design and development...the mentality is very much own it, build it, ship it and host it. One Lead engineer across both back-end and front-end. Java AWS/Heavily Microservices-led React-Typescript React-Native Its likely each position will have a lean towards either More ❯

Join Our ScriptRunner Platform Team as a Senior Software Engineer! Are you passionate about developing innovative solutions that enhance user experiences for millions? Do you have a knack for leading and mentoring teams to success? If so, ScriptRunner is looking for a dynamic Senior Software Engineer to join … fostering an engineering culture that thrives on innovation and collaboration. What You’ll Do: Help build the platform that powers ScriptRunner Cloud. We’re looking for an experienced engineer who loves solving complex problems at scale, thrives in a DevOps-minded team, and enjoys shipping continuously. You’ll shape the core technology that underpins our ScriptRunner Cloud products … What We’re Looking For: Essential Skills: Proven experience building and operating large-scale systems on AWS. Strong background in high-availability, fault-tolerant, distributed systems. Fluency in Java and Spring Boot. Excellent organisational, prioritisation, and communication skills. Desirable Skills: Hands-on CI/CD experience. Understanding of serverless and microservices architectures with extensible REST APIs. Familiarity with More ❯

Job Summary: We're looking for a talented Senior Software Engineer to be a key contributor to developing cloud-based services that will drive the future of the business. You will join our small and dynamic Cloud Services team, using the latest technology and tools to build high-quality, cross-platform solutions that are … robust, scalable, and efficient. You will also collaborate with a versatile cross-functional team to make a significant impact on our product offerings. Responsibilities: Senior Software Engineer is a technical role, with responsibilities ranging from solving technical problems to creating design documents and implementing complex designs. Directly responsible for consistently delivering scalable, production-ready … back-end/server code in Java, from design and development to deployment, as a member of an Agile development team. Partner closely with a cross-functional team of key stakeholders (Engineers, Architects, Product Managers, QA, and Operations) to design and implement solutions that meet user needs as well as engineering and operations. Display a passion for high More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a … unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support … cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a … unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support … cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a … unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support … cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a … unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support … cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯

Senior Java Developer - Java, Springboot & AWS – paying up to £600/day (Inside IR35) – Hybrid (2x a week - London) – 6 month contract Our client is seeking a Senior Java Developer who is passionate about clean code, cloud-native systems, and building technology that makes a real impact. This is a … unique opportunity to work in an agile, high-ownership engineering culture. What You'll Be Doing: Build and scale backend services using Java and Spring Boot Shape a modern microservices architecture for a high-availability platform Deploy and manage services in AWS with Kubernetes (EKS) Design, implement, and own features end-to-end from discovery to production support … cross-functional teams including product, design, and infrastructure Troubleshoot complex issues and help ensure system reliability and performance What You’ll Bring: Strong backend engineering experience, especially in Java and Spring Deep understanding of distributed systems and microservices Hands-on experience with AWS , Kubernetes , Docker , and Terraform Familiarity with CI/CD pipelines and testing best practices Solid More ❯

Role: Senior Java Software Engineer (pref. Back-end) Salary: 85,000100,000 + equity + bens Location: UK Remote Sector: FinTech Start-Up About the Company Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This product … board to expedite design and development...the mentality is very much own it, build it, ship it and host it. The Team Circa 30-40 in total. One Lead engineer across both back-end and front-end. This position reports into the CTO. The Stack Java AWS/Heavily Microservices-led React-Typescript React-Native IaC - Terraform More ❯

Role: Senior Java Software Engineer (pref. Back-end) Salary: £85,000–£100,000 + equity + bens Location: UK Remote Sector: FinTech Start-Up About the Company Wedo are collaborating with a FinTech start-up. The founders have an unrivalled track-record of scaling successful businesses, largely across the FinTech sector. This … board to expedite design and development...the mentality is very much own it, build it, ship it and host it. The Team Circa 30-40 in total. One Lead engineer across both back-end and front-end. This position reports into the CTO. The Stack Java AWS/Heavily Microservices-led React-Typescript React-Native IaC - Terraform More ❯

About The Role Job Level: 9 UK Wide We are looking for a Senior Software Engineer who will be responsible for designing, developing, and deploying high-quality software solutions. You will work on complex software projects, contributing to the architecture, development, and improvement of software systems. This role … involves mentoring junior engineers, collaborating with cross-functional teams, and driving the adoption of best practices in software development. Responsibilities Design, develop, and maintain complex software solutions, ensuring they are robust, secure, tested and scalable. Contribute to software architecture decisions, ensuring alignment with project and business goals. Mentor and support junior engineers, helping to … develop their skills and promote best practices. Collaborate with cross-functional teams, including product management, UX/UI, DevOps, and QA, to ensure software meets business requirements. Implement and optimise CI/CD pipelines to enhance development efficiency and software quality. Conduct code reviews, providing constructive feedback to enhance team performance and code quality. Troubleshoot and More ❯

Hybrid: 2 days a week in the office About the Company We’re working with a well-established technology business that develops enterprise-scale software used across the financial and insurance sectors. The company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role … As a Senior Software Engineer , you’ll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you’ll contribute directly to architecture and development, while supporting and mentoring other engineers. It’s an ideal opportunity for an experienced Java … and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate on architecture and system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You’re More ❯

Hybrid: 2 days a week in the office About the Company We’re working with a well-established technology business that develops enterprise-scale software used across the financial and insurance sectors. The company is modernising its platforms and strengthening its engineering capability to deliver high-performing, scalable systems that support major clients across the UK. The Role … As a Senior Software Engineer , you’ll play a key part in designing, developing, and improving large-scale software systems. This is a hands-on technical role where you’ll contribute directly to architecture and development, while supporting and mentoring other engineers. It’s an ideal opportunity for an experienced Java … and wants to influence technical direction without moving into a management position. Key Responsibilities Lead the design and delivery of new features and improvements Develop and maintain complex Java-based applications Collaborate on architecture and system design decisions Coach and support other engineers within the team Promote high standards in coding and delivery practices About You You’re More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily … fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on … volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily … fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on … volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily … fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on … volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily … fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on … volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Senior Java Developer – Middle Office Platform (Credit & Rates Trading) Location: London Salary: £120K-£140K + up to 25% Bonus + benefits About the Company This global financial technology firm is renowned for combining cutting-edge engineering with a market-leading trading platform that powers electronic trading across Credit and Rates. Their flagship product is used daily … fast-paced, product-focused culture where engineers have direct impact on scaling systems that sit at the heart of global capital markets. The Role We are seeking a Senior Backend Java Engineer to play a key role in scaling the Middle Office platform of a world-leading electronic trading system. You’ll work on … volume, real-time environment. This is a hands-on leadership role where you’ll mentor other engineers, promote engineering excellence, and act as a point of contact for senior stakeholders. Projects You’ll Work On Scaling a real-time trading platform: Handle vast growth in electronic trading volumes, ensuring throughput and ultra-low latency. Resilience & recoverability: Build fault More ❯

Hawksworth are now recruiting for a Senior Java Developer with extensive experience with Front Office Algo Trading projects. IT Low Latency Java Developer 1 year contract with potential for extensions Hybrid working (x3 days on site x2 days working from home pw) This is a IT Low-Latency, Java Developer position working … where the team develops the pricing, hedging and low-latency order and price distribution team systems. We need someone for this role role that has strong low latency , Java , Algo development experience. EFX would be nice but we can accept other other asset classes experience. Tenure as a Senior Java Developer Significant Trading projects More ❯

Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a … high-impact. No legacy systems or old fluff to get through. Just clean architecture, smart engineering, and a product already making serious waves. You’ll join a small, senior team building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech … stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the team, influence architecture, and build things the right way. They’re in-office just 1–2 days a week in London, backed More ❯

Lead Java Engineer – London | £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you’re not just writing code, you’re building the engine behind something that moves money, manages risk, and scales globally? That’s exactly what this team is doing. They’re a … high-impact. No legacy systems or old fluff to get through. Just clean architecture, smart engineering, and a product already making serious waves. You’ll join a small, senior team building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech … stack: Java 21 (you’ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. As a Lead Engineer, you’ll have the freedom to shape the team, influence architecture, and build things the right way. They’re in-office just 1–2 days a week in London, backed More ❯

Lead Java Engineer London £140k + Shares Java 21, Spring Boot, Microservices, TDD, BDD, REST, AWS, React You know that feeling when you re not just writing code, you re building the engine behind something that moves money, manages risk, and scales globally? They re a fast-growing FinTech tackling cross-border payments … treasury systems, and crypto liquidity. Just clean architecture, smart engineering, and a product already making serious waves. You ll join a small, senior team building real-time financial infrastructure from the ground up, card payments, transaction booking, FX flows, the kind of systems that need to be fast, secure, and bulletproof. Tech stack: Java 21 (you … ll need experience with Java 17+, must), Spring Boot, PostgreSQL, AWS, TDD, CI/CD, React. They re in-office just 1 2 days a week in London, backed by serious investors, and scaling fast, hiring 8 engineers by December. Up to £140k salary, plus shares, bonuses, and a chance to build something that actually matters. com More ❯

yourself to work on projects with international significance. Career development & growth is critical with the organisation boasting one of the best workplaces and evidence of progressing engineers into senior leadership roles within the bank. Our client is recognized as a trialblazer when it comes to technical innovations within the banking world being one of the first to transform … customer experience. The organisation are looking to bring in a number of Senior Java Engineers with specific skills within the financial services arena & ideally payments to build this greenfield payments platform. You would have strong end to end software engineering skills, specialised in middleware & back-end technology - a strategic thinker and digital innovator with … a risk/control mindset. Advanced Java skills (Java 17) Strong database skills Any front-end skills would be preferable (ReactJS) Any cloud experience would be preferable (AWS) FORT - Future of Recruiting Technologists is a technical & IT search consultancy that specialises in placing experienced professionals & teams with leading technology companies in the North of England. We More ❯

yourself to work on projects with international significance. Career development & growth is critical with the organisation boasting one of the best workplaces and evidence of progressing engineers into senior leadership roles within the bank. Our client is recognized as a trialblazer when it comes to technical innovations within the banking world being one of the first to transform … customer experience. The What.. The organisation are looking to bring in a number of Senior Java Engineers with specific skills within the financial services arena & ideally payments to build this greenfield payments platform. You would have strong end to end software engineering skills, specialised in middleware & back-end technology - a strategic thinker and digital … innovator with a risk/control mindset. Tech wise what you would be using: Advanced Java skills (Java 17) Spring Boot REST API & Messaging Queue experience (Kafka/Kubernetes etc) Strong database skills Any front-end skills would be preferable (ReactJS) Any cloud experience would be preferable (AWS) And finally... Who are we? FORT - Future of More ❯