london (city of london), south east england, united kingdom
Vallum Associates
Duration of assignment: 1 year (potential prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge More ❯
Duration of assignment: 1 year (potential prolongation) Onsite requirements: 3 days/weekly in London office Your Experience and Skills Required: 10+ years of professional Java development experience Strong knowledge of low-latency, multi-threaded programming techniques Experience with trading platforms (e.g., Bloomberg, Tradeweb) Understanding of financial markets, particularly Rates and Credit bonds/derivatives Oustanding experience and knowledge More ❯
Wokingham, Berkshire, South East, United Kingdom Hybrid / WFH Options
Halian Technology Limited
well-structured, high-performing teams to deliver on a clear, strategic roadmap over the coming years. What youll be working on: Mostly automation-focused development using a solid stack: Java, JavaScript, SQL , and AWS . Youll also be working with TDD , JUnit , and other testing tools as part of the workflow. The details: Hybrid working (23 days in the … bonus Initial focus: 12 years dedicated to automation, with opportunities to move into other areas of the business as you grow This is ideal for someone with some commercial Java experience who wants to deepen their skills while contributing to meaningful, long-term projects. Apply now below More ❯
offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team, building cutting-edge digital solutions, primarily within Government, Finance, Retail & Energy sectors. Top end budget of … benefits + flexi working (option of remote or hybrid plus ad hoc client site travel) Primary requirements: Must be eligible for SC Clearance Extensive experience of building microservices with Java (Spring Boot) (and NodeJS as a bonus) Experience with cloud technologies such AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Experience using version control software - Git More ❯
offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for a Senior Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team, building cutting-edge digital solutions, primarily within Government, Finance, Retail & Energy sectors. Top end budget of … benefits + flexi working (option of remote or hybrid plus ad hoc client site travel) Primary requirements: Must be eligible for SC Clearance Extensive experience of building microservices with Java (Spring Boot) (and NodeJS as a bonus) Experience with cloud technologies such AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Experience using version control software - Git More ❯
Masters degree in Computer Science, Information technology, or a related field. University coursework must have included: JUnit & Mockito; PL/SQL; Compiler theory, parsing algorithms, lexical analysis, semantic analysis, and code generation; Algorithmic problem-solving, optimization techniques, and computational complexity More ❯
the stack. You’ll be building robust APIs, structuring databases, and working on applications that power solicitor workflows and CRM platforms. What you’ll do Design, develop, and maintain Java/Spring-based backend systems. Architect and formally structure efficient, scalable databases. Build APIs and integrations to power responsive web applications. Work closely with front-end developers to deliver … maintain, and improve existing applications. Contribute to overall architecture, with one senior position acting as No.2 to the Head of Engineering. What we’re looking for Strong experience with Java and Spring framework. Solid understanding of relational database design and structure. Knowledge of modern software architecture patterns and best practices. Experience in full stack development (bonus: React or other More ❯
the stack. You’ll be building robust APIs, structuring databases, and working on applications that power solicitor workflows and CRM platforms. What you’ll do Design, develop, and maintain Java/Spring-based backend systems. Architect and formally structure efficient, scalable databases. Build APIs and integrations to power responsive web applications. Work closely with front-end developers to deliver … maintain, and improve existing applications. Contribute to overall architecture, with one senior position acting as No.2 to the Head of Engineering. What we’re looking for Strong experience with Java and Spring framework. Solid understanding of relational database design and structure. Knowledge of modern software architecture patterns and best practices. Experience in full stack development (bonus: React or other More ❯
the stack. You’ll be building robust APIs, structuring databases, and working on applications that power solicitor workflows and CRM platforms. What you’ll do Design, develop, and maintain Java/Spring-based backend systems. Architect and formally structure efficient, scalable databases. Build APIs and integrations to power responsive web applications. Work closely with front-end developers to deliver … maintain, and improve existing applications. Contribute to overall architecture, with one senior position acting as No.2 to the Head of Engineering. What we’re looking for Strong experience with Java and Spring framework. Solid understanding of relational database design and structure. Knowledge of modern software architecture patterns and best practices. Experience in full stack development (bonus: React or other More ❯
facing teams you will design and develop solutions for complex customer problems raised and assist teams in moving changes to production. KeyRequirements Professional software development experience Professional experience in Java and/or Scala Experience with JavaScript preferred Experience of contributing to the architecture and design (architecture, design patterns, reliability, and scaling) of new and current systems PreferredQualifications Experience More ❯
A rapidly growing healthtech scale-up is transforming how hospitals deliver care across the UK and they're now expanding their development team at pace. In just a few short years, they've evolved from a disruptive newcomer into a More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
london (city of london), south east england, united kingdom
Vallum Associates
the design of large kdb+ systems. Strong understanding of computer science fundamentals and modern software development practices. Experience with development in a Unix and/or Linux environment. Core Java development experience is often required. Experience with low-latency systems development and tick data capture. Knowledge of market data and algorithmic trading data is highly beneficial. Experience with various More ❯
environment. This role sits within a front-office aligned technology team responsible for delivering high-performance trading solutions across the rates business. Responsibilities: Design and implement low-latency, multithreaded Java applications for electronic rates trading Develop and optimise execution algorithms, smart order routers, and pricing engines Profile and tune Java applications for garbage collection efficiency, lock contention, and More ❯
environment. This role sits within a front-office aligned technology team responsible for delivering high-performance trading solutions across the rates business. Responsibilities: Design and implement low-latency, multithreaded Java applications for electronic rates trading Develop and optimise execution algorithms, smart order routers, and pricing engines Profile and tune Java applications for garbage collection efficiency, lock contention, and More ❯
london (city of london), south east england, united kingdom
Selby Jennings
environment. This role sits within a front-office aligned technology team responsible for delivering high-performance trading solutions across the rates business. Responsibilities: Design and implement low-latency, multithreaded Java applications for electronic rates trading Develop and optimise execution algorithms, smart order routers, and pricing engines Profile and tune Java applications for garbage collection efficiency, lock contention, and More ❯
with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for two Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team, building cutting-edge digital solutions, primarily within Government, Finance, Retail & Energy sectors. Consultant grade level budget … 55k + full benefits + fully remote (plus ad hoc client site travel) Primary requirements: Must be eligible for SC Clearance Extensive experience of building microservices with Java (Spring Boot) (and NodeJS as a bonus) Experience with cloud technologies such AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Experience using version control software - Git Experience using More ❯
with offices in London, Manchester, Newcastle and Glasgow, providing flexi working model (option of remote or hybrid with ad hoc client site travel). They are looking for two Java Full Stack Engineer's (Jnr-Mid level) to join a rapidly growing team, building cutting-edge digital solutions, primarily within Government, Finance, Retail & Energy sectors. Consultant grade level budget … 55k + full benefits + fully remote (plus ad hoc client site travel) Primary requirements: Must be eligible for SC Clearance Extensive experience of building microservices with Java (Spring Boot) (and NodeJS as a bonus) Experience with cloud technologies such AWS or Azure Experience with CI/CD (Gitlab, GitHub, Jenkins) Experience using version control software - Git Experience using More ❯
A rapidly growing healthtech scale-up is transforming how hospitals deliver care across the UK and they're now expanding their development team at pace. In just a few short years, they've evolved from a disruptive newcomer into a More ❯
Role: Jr Java Full Stack DeveloperBill Rate: $76/hour C2CLocation: Hartford, CT Duration: 12+ months/long-term Interview Criteria: Telephonic + ZoomDirect Client Requirement Job Description: Bachelor s degree or foreign equivalent from an accredited institution we will consider three years of progressive experience in the specialty in place of each year of education Must be willing … to work onsite in Hartford, CT Qualifications: Hands-on experience with Core Java, Spring Framework, Hibernate, and ReactJS So Hands-on experience with developing Spring Boot microservices and APIs from scratch Experience with the software development lifecycle Experience translating functional and non-functional requirements into system designs Ability to evaluate multiple technical solutions and drive design decision so Experience More ❯
experience in the specialty in lieu of every year of education. At least 6 years of Information Technology experience. Preferred Qualifications: At least 4 years of development experience on Java, Spring Boot and Microservices. At least 4 years of development experience on SQL Server or Oracle database. At least 4 years of development experience in maintaining high-quality software More ❯
and develop the core backend of the payment platform, including the API gateway, transaction management layer, and merchant services. Mentor & Guide: Act as a technical mentor to another backend developer, fostering a culture of high-quality engineering and collaborative growth. Own Security & Compliance: Take the lead on implementing robust security measures (e.g., AES-256 encryption, OAuth/JWT) and … You have 6+ years of experience in backend development, with a significant background in the FinTech or financial services sector. Your career likely started with a strong foundation in Java , building secure, enterprise-grade financial systems. You have since evolved your skills and are now an expert in modern backend technologies, with deep professional experience in Node.js and/ More ❯
