1 to 25 of 85 Permanent Java Software Engineer Jobs in the South East

Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client … is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work … with a variety of languages, frameworks and tools. Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong database knowledge (SQL More ❯

Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client … is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work … with a variety of languages, frameworks and tools. Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong database knowledge (SQL More ❯

Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid - 3 days a week in the office - Notting Hill) Description for the Java Software Engineer role:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client … is revolutionising their industry with a track record of building things that others have ruled out as impossible. The Java Software engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work … with a variety of languages, frameworks and tools. Applicants will need a background in Java and/or Python with a focus on Server side technologies. Core skills for the Java Software Engineer: 5yrs in a commercial Development role Solid experience of Java Good knowledge of Cloud Technologies (AWS) and Microservices Strong database knowledge (SQL More ❯

Java Software Engineer - Java, Python, AWS, MySQL, NoSql, REST APIs, Microservices, Machine Learning, Artificial intelligence (Hybrid 3 days a week in the office) Java Software Engineer:- You will be joining a fast-growing, research-driven company building an artificial intelligence using novel machine learning techniques. My client is revolutionising their industry with a … track record of building things that others have ruled out as impossible. The Java Software Engineer will join a very bright, talented team of engineers with the guidance of technologists who have help build up some of the best known technology companies today. You will have a great opportunity to work with a variety of languages, frameworks … and tools. Applicants will need a background in Java with a focus on Server side technologies. Core skills for the Back End Engineer: 5yrs+ in a commercial Development role Solid experience of Java (3yrs+) Good knowledge of Cloud Technologies (AWS) and Microservices Strong Database experience Degree in Computer Science, Engineering, or a related field, or equivalent hands More ❯

Job Title: Java Software Engineer Client: Elite Quant Fund Salary: Up to £175,000 Base (+ Bonus) Location: London/Hybrid The role: My client is looking for an experienced Java Software Engineer to join their rapidly expanding technology team. This team is responsible for building out a bespoke, greenfield data platform that you … will be crucial in developing. Our client prides itself on maintaining cutting-edge technology and a progressive work environment. As a Java Software Engineer you will be tasked with designing and developing high-performance applications from scratch, harnessing our clients dedication to upholding the highest tech standards in industry. Benefits: Exceptional professional growth opportunities in a tech … being, including a healthy work-life balance and reimbursement programs. Rapid career progression and exposure to diverse technologies. Responsibilities: Build and maintain robust, scalable, and performant backend systems using Java, ensuring the platform can handle high transaction volumes. Develop software for large scale data acquisition, storage, accessibility, and visualization. Work closely with Quants and Traders to understand their More ❯

Job Title: Java Software Engineer Client: Elite Quant Fund Salary: Up to £175,000 Base (+ Bonus) Location: London/Hybrid The role: My client is looking for an experienced Java Software Engineer to join their rapidly expanding technology team. This team is responsible for building out a bespoke, greenfield data platform that you … will be crucial in developing. Our client prides itself on maintaining cutting-edge technology and a progressive work environment. As a Java Software Engineer you will be tasked with designing and developing high-performance applications from scratch, harnessing our clients dedication to upholding the highest tech standards in industry. Benefits: Exceptional professional growth opportunities in a tech … being, including a healthy work-life balance and reimbursement programs. Rapid career progression and exposure to diverse technologies. Responsibilities: Build and maintain robust, scalable, and performant backend systems using Java, ensuring the platform can handle high transaction volumes. Develop software for large scale data acquisition, storage, accessibility, and visualization. Work closely with Quants and Traders to understand their More ❯

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? Java Software Engineer - FinTech Scaleup Location: Hybrid working in Central London Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London's leading investment management firm's … latest spinout company. Leveraging cutting-edge techniques with the latest technologies, they build highly scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for … this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a More ❯

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s … latest spinout company. Leveraging cutting-edge techniques with the latest technologies, they build highly scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for … this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a More ❯

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s … latest spinout company. Leveraging cutting-edge techniques with the latest technologies, they build highly scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for … this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a More ❯

Have you got a strong educational background from a Russell Group University? Do you have experience working in the financial industry? 💸 Java Software Engineer – FinTech Scaleup 💸 📍 Location: Hybrid working in Central London 💰 Salary: £80,000-100,000 + bonus We are very excited to once again be partnered exclusively with London’s leading investment management firm’s … latest spinout company. Leveraging cutting-edge techniques with the latest technologies, they build highly scalable high-throughput software that is used by hedge funds and asset managements around the world. Due to an exciting pipeline of upcoming projects, they are looking for Core Java Software Engineers to join their team. You will be an excellent fit for … this Core Java Engineer position if you: Have built scalable software from scratch Use Core Java concepts, including Low Latency , Concurrent Programming & Multithreading Are used to working in a fast-paced environment Work in the financial industry e.g. Bank, Hedge Fund/Asset Management, FinTech Have clear experience with optimisation, efficiency and performance improvement As a More ❯

Lead Backend Software Engineer/Developer (Java AWS) London/WFH to £115k Are you a hands-on Backend Software Engineer with team leadership skills? You could be progressing your career in a Lead Backend Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one … of the UKs top employers. As a Lead Backend Software Engineer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers and ensure code quality, observability, scalability and security are embedded into … high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office More ❯

Lead Software Engineer/Developer (Java Spring Boot AWS) London/WFH to £115k Are you a hands-on backend focussed Software Engineer with team leadership skills? You could be progressing your career in a Lead Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as … one of the UKs top employers. As a Lead Software Engineer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers and ensure code quality, observability, scalability and security are embedded into … high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office More ❯

Lead Software Engineer/Developer (Java Spring Boot AWS) London/WFH to £115k Are you a hands-on backend focussed Software Engineer with team leadership skills? You could be progressing your career in a Lead Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as … one of the UKs top employers. As a Lead Software Engineer you'll join a fairly new team working on a new crypto offering and split your time between hands-on development with people management (70/30). You'll set the technical direction, mentor engineers and ensure code quality, observability, scalability and security are embedded into … high-quality, high-impact releases. You'll be working with a modern, cloud native tech stack using Java, Spring Boot, AWS, Kafka and CI/CD to build highly scalable, distributed systems with 24/7 availability. Location/WFH: There's a hybrid model with two days a week work from home, when you are in the office More ❯

Software Engineer - Java Microservices Location: London (Hybrid) About the Role We're excited to be supporting our client, a leading organisation in the financial services sector, in their search for a Software Engineer (Java Microservices) to join a high-performing, collaborative engineering team. This is a fantastic opportunity for a driven and passionate developer … who enjoys working on complex, large-scale systems. You'll be designing, building, and maintaining innovative, secure, and high-performance software solutions that directly impact millions of customers. The environment is fast-paced, technically challenging, and highly rewarding - ideal for an engineer who wants to deepen their expertise in Java microservices , cloud technologies, and Agile delivery . … What You'll Be Doing Designing, developing, testing, and deploying Java-based microservices within a distributed, cloud-native environment Working as part of a dedicated feature team , collaborating closely with engineers, architects, and business analysts Producing high-quality, maintainable software that meets both functional and non-functional requirements Taking full ownership across the software development lifecycle - from More ❯

Senior Software Engineer/Developer (Java AWS) London/WFH to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. As a Senior Software Engineer you will join … implement high performance cloud-native backend services including owning DevOps processes to ensure systems are robust, secure and observable. You'll be working with a modern tech stack using Java, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, Spring Boot, REST, Postgres … budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Senior Software Engineer/Developer (Java AWS Spring Boot) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually More ❯

Senior Software Engineer/Developer (Java AWS) London/WFH to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a global FinTech/CFD trading company that has been consistently voted as one of the UKs top employers. As a Senior Software Engineer you will join … implement high performance cloud-native backend services including owning DevOps processes to ensure systems are robust, secure and observable. You'll be working with a modern tech stack using Java, Spring Boot, CI/CD, Kubernetes, AWS, EKS and Grafana/Splunk. About you: You have advanced backend software engineering experience with Java, Spring Boot, REST, Postgres … budget for organising events and projects that foster an open, diverse and inclusive culture Plus a range of other perks Apply now to find out more about this Senior Software Engineer/Developer (Java AWS Spring Boot) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually More ❯

Senior Java Software Engineer - Real-Time Payments Engineering Fintech We're looking for an experienced Java Software Engineer to join a global Fintech based in South West London. The company develops high-performance technology solutions for leading financial institutions, helping them strengthen and modernise their payments capabilities. About the role You'll join the … with a strong focus on pair programming, TDD and BDD, and you'll have the chance to influence technical decisions and shape how new features are delivered. Tech environment Java 17, Spring, Spring Boot Reactive programming with Akka Microservices architecture Kafka, JMS, RabbitMQ, ActiveMQ Docker/Kubernetes, AWS, MongoDB What we're looking for Solid hands-on experience with … Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments Why join Work on systems used by More ❯

Senior Java Software Engineer – Real-Time Payments Engineering Fintech We’re looking for an experienced Java Software Engineer to join a global Fintech based in South West London. The company develops high-performance technology solutions for leading financial institutions, helping them strengthen and modernise their payments capabilities. About the role You’ll join the … with a strong focus on pair programming, TDD and BDD, and you’ll have the chance to influence technical decisions and shape how new features are delivered. Tech environment Java 17, Spring, Spring Boot Reactive programming with Akka Microservices architecture Kafka, JMS, RabbitMQ, ActiveMQ Docker/Kubernetes, AWS, MongoDB What we’re looking for Solid hands-on experience with … Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments Why join Work on systems used by More ❯

Senior Java Software Engineer – Real-Time Payments Engineering Fintech We’re looking for an experienced Java Software Engineer to join a global Fintech based in South West London. The company develops high-performance technology solutions for leading financial institutions, helping them strengthen and modernise their payments capabilities. About the role You’ll join the … with a strong focus on pair programming, TDD and BDD, and you’ll have the chance to influence technical decisions and shape how new features are delivered. Tech environment Java 17, Spring, Spring Boot Reactive programming with Akka Microservices architecture Kafka, JMS, RabbitMQ, ActiveMQ Docker/Kubernetes, AWS, MongoDB What we’re looking for Solid hands-on experience with … Java 11+ (ideally Java 21) Good understanding of Reactive Programming concepts with Akka, WebFlux, RxJava etc. Experience working with microservices and distributed systems Background with Kafka and JMS related messaging tools Knowledge of multithreading, concurrency, and performance tuning Familiarity with AWS and MongoDB Previous experience in financial services, ideally within payments Why join Work on systems used by More ❯

Lead Software Engineer - Java Microservices Location: London (Hybrid - 2 days on-site, Monday and Tuesday) Overview We're excited to be supporting our client in hiring a talented Software Engineer (Java Microservices) to join a dynamic, high-performing engineering team within retail banking. This is a fantastic opportunity for a technically minded individual who … s passionate about building fast, reliable, and scalable software within a complex distributed environment. You'll play a key role in designing, developing, testing, and implementing modern microservices-based applications running in the public cloud. This is a hands-on position within a feature team that works collaboratively across the full software development lifecycle. What You'll Be … Doing Designing, producing, testing, and implementing high-quality software across the system lifecycle Working within a permanent feature team focused on delivering business-critical services in a fast-paced Agile environment (two-week sprints) Collaborating with architects, principal engineers, and key stakeholders to align technical solutions with business objectives Applying Agile and Test-Driven Development (TDD) principles to build More ❯

Java Software Engineer Fintech seek numerous Java Software Engineers to join their growing Payments Engineering team. If you're passionate about building scalable, low-latency systems that power seamless financial transactions across millions of users, this is your chance to make a real impact. What You'll Do Design and build high-performance, resilient payment … real-time services at scale. Write clean, testable, and well-documented code that stands the test of time. Contribute to architecture discussions and influence key technical decisions. Tech Stack Java 17+, Spring WebFlux/Project Reactor, Kafka, PostgreSQL, Docker, Kubernetes, AWS. Exposure to distributed systems, event-driven architecture, and microservices is highly valued Working Model 1-2 days per … week in our London office, 3 days remote. May also be able to consider remote with 1-2 office visits a month. About You Strong Java engineering background (ideally 4+ years). Hands-on experience with Reactive frameworks (Spring WebFlux, Reactor, Akka, Vert.x, or similar). Comfortable working in high-availability, real-time systems. A problem-solver who enjoys More ❯

Role: Software Engineer (Java, TypeScript, JavaScript, NodeJS, ReactJS, Python) Location: Remote working with some meetings at offices either in Manchester or London. IR35 status: Outside Length of contract: 5 months initial contract (with a view to possible extension) Overview We are seeking a Software Engineer to support the delivery and maintenance of shared engineering components … and EKS. Navigate specific change and governance processes to deliver code and changes to the estate. Coordinate stakeholders and embed continuous improvement practices across engineering teams. Skills & Experience Strong software development background, especially with TypeScript, JavaScript, NodeJS, ReactJS, Python, and Java. Experience with enterprise-scale engineering environments. Familiarity with DevOps practices and performance measurement. Excellent stakeholder coordination and governance More ❯

eFX Software Engineer - Permanent Location: London, United Kingdom Remote First working model - Minimum 2 Days a month in office Salary: Highly competitive Market Rate on offer - DoE Paritas is working with a Tier-1 Financial institution who are looking to add a senior hire to their Digital team in the shape of an eFX Software Engineer. It … is essential for candidates to poccess significant experience in Software Engineering, Software or Database Design & Architecture alongside exposure to software development within a DevOps & Agile Framework. This role will also require expert understanding of the latest market trends, technologies and tools with expert knowledge in FX products. Within this position you will create great customer outcomes via More ❯

eFX Software Engineer - Permanent Location: London, United Kingdom Remote First working model - Minimum 2 Days a month in office Salary: Highly competitive Market Rate on offer - DoE Paritas is working with a Tier-1 Financial institution who are looking to add a senior hire to their Digital team in the shape of an eFX Software Engineer. It … is essential for candidates to poccess significant experience in Software Engineering, Software or Database Design & Architecture alongside exposure to software development within a DevOps & Agile Framework. This role will also require expert understanding of the latest market trends, technologies and tools with expert knowledge in FX products. Within this position you will create great customer outcomes via More ❯

eFX Software Engineer - Permanent Location: London, United Kingdom Remote First working model - Minimum 2 Days a month in office Salary: Highly competitive Market Rate on offer - DoE Paritas is working with a Tier-1 Financial institution who are looking to add a senior hire to their Digital team in the shape of an eFX Software Engineer. It … is essential for candidates to poccess significant experience in Software Engineering, Software or Database Design & Architecture alongside exposure to software development within a DevOps & Agile Framework. This role will also require expert understanding of the latest market trends, technologies and tools with expert knowledge in FX products. Within this position you will create great customer outcomes via More ❯