London. For further information about this position please apply. Contribute to all aspects of application development including functional and technical specifications, design, development and production support. Ensure high quality of deliverables while complying with development best practices. This is a terrific opportunity for a Senior Software Developer who has a strong interest in the financial markets. Key Duties … with responsibility across all phases of the technology life cycle. Systems development on a mature, modern codebase written in C++ Responsible for the quality of your own code Test, evaluate and recommend technologies to improve our overall solutions Constantly improving the development life cycle and codequality Communicate and collaborate with the research and … CMake build system Willingness to learn new technologies and adopt the mindset of an agnostic problem solver based on significant expertise in computer science fundamentals Proficiency in Git for code versioning Solid understanding of TCP/UDP standards and network protocols Systems development experience, preferably with real-time systems and/or distributed application Experience with writing low latency More ❯
Store, and S3). Key Responsibilities Design and develop web applications using Java and AWS technologies. Integrate and manage AWS services such as EC2, S3, Lambda, and RDS. Develop code deployment strategies and CI/CD pipelines. Design and build robust, scalable, high-performance microservices using Spring Boot. Write clean, maintainable, and efficient code. Collaborate with cross-functional teams … to define, design, and deliver new features. Conduct unit and integration testing to ensure software quality. Monitor application performance and troubleshoot issues as needed. Participate in code reviews to uphold codequality and standards. Take full ownership of feature development from design through to production. Your Profile Essential Skills & Experience Minimum of 10 years' relevant experience. More ❯
You will work primarily with TypeScript and Node.js , contributing to backend services and APIs that power our core platform. The role involves designing, implementing, and maintaining clean, well-tested code, while collaborating closely with frontend engineers, product managers, and designers. You’ll play a key part in shaping system architecture, improving performance, and ensuring reliability as we scale. The … or Azure . Experience with databases (SQL or NoSQL), CI/CD pipelines, and containerisation (Docker/Kubernetes) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and contributing to best practices across the engineering team. This is a fantastic opportunity to take ownership within a fast-moving SaaS business and make a real impact … data modelling best practices. Familiarity with cloud platforms (AWS, Azure, or GCP) and containerisation tools like Docker/Kubernetes . Experience with CI/CD pipelines , automated testing, and codequality tools. Solid understanding of software engineering principles: scalability, performance, and maintainability. Strong collaboration skills — able to mentor junior engineers and contribute to team-wide best practices. More ❯
You will work primarily with TypeScript and Node.js , contributing to backend services and APIs that power our core platform. The role involves designing, implementing, and maintaining clean, well-tested code, while collaborating closely with frontend engineers, product managers, and designers. You’ll play a key part in shaping system architecture, improving performance, and ensuring reliability as we scale. The … or Azure . Experience with databases (SQL or NoSQL), CI/CD pipelines, and containerisation (Docker/Kubernetes) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and contributing to best practices across the engineering team. This is a fantastic opportunity to take ownership within a fast-moving SaaS business and make a real impact … data modelling best practices. Familiarity with cloud platforms (AWS, Azure, or GCP) and containerisation tools like Docker/Kubernetes . Experience with CI/CD pipelines , automated testing, and codequality tools. Solid understanding of software engineering principles: scalability, performance, and maintainability. Strong collaboration skills — able to mentor junior engineers and contribute to team-wide best practices. More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
an agile team , contributing to sprints, backlog refinement, and continuous improvement. Staying up to date with AI/ML and LLM trends to bring innovative ideas into production. Ensuring codequality through testing, documentation, and peer review. What we're looking for: 4+ years' experience building enterprise-grade applications. Strong backend skills in Python (FastAPI, Flask) with More ❯
in establishing standard APIs, incorporating monitoring systems and alerting services, along with a strong expertise in integrating external systems. Quality is important to us; we expect your code to be testable with good test coverage. Keep up-to-date with emerging technologies, tools, and practices. The position may require being on-call at times. About you: 5+ … with Python3, Django, PostgreSQL, Redis, Rest APIs, or similar modern programming languages and frameworks. Familiarity with RESTful APIs to connect mobile applications to back-end services. Proficient understanding of code versioning tools, such as Git. You take ownership of codequality, ensuring your work is testable and well covered with unit and integration tests. Knowledge of More ❯
london, south east england, united kingdom Hybrid / WFH Options
QiH Group
rapidly grow our technology platform to deliver our ambitious business growth. In this role you will take ownership of both front-end and back-end systems, driving high-quality development and delivering technical solutions across the product lifecycle. While your primary focus will be coding and architecture design, you will also guide other developers, making technical decisions, and … both front-end and back-end codebases. Define architecture and system design for web applications, ensuring scalability, security, and performance. Provide technical guidance and mentorship to other engineers, ensuring codequality through reviews and best practices. Design and implement responsive, user-friendly web interfaces using modern JavaScript frameworks , React). Collaborate with UX/UI designers to More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Anson Mccade
and more. Supporting the delivery of group-wide digital initiatives, including in-house Generative AI solutions . Collaborating with technical teams to promote best practices in modern software engineering (codequality, CI/CD, testing, agile methods). Building reusable playbooks, architectures, and templates to accelerate solution delivery across companies. Partnering with stakeholders to translate business needs More ❯
london, south east england, united kingdom Hybrid / WFH Options
Anson Mccade
and more. Supporting the delivery of group-wide digital initiatives, including in-house Generative AI solutions . Collaborating with technical teams to promote best practices in modern software engineering (codequality, CI/CD, testing, agile methods). Building reusable playbooks, architectures, and templates to accelerate solution delivery across companies. Partnering with stakeholders to translate business needs More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Anson Mccade
and more. Supporting the delivery of group-wide digital initiatives, including in-house Generative AI solutions . Collaborating with technical teams to promote best practices in modern software engineering (codequality, CI/CD, testing, agile methods). Building reusable playbooks, architectures, and templates to accelerate solution delivery across companies. Partnering with stakeholders to translate business needs More ❯
table. Key Responsibilities Lead and contribute to backend development using Ruby on Rails Collaborate with cross-functional teams to deliver scalable and maintainable solutions Participate in architectural decisions and code reviews Support CI/CD pipelines and infrastructure deployments Ensure high codequality and performance across the system Help guide the team with technical leadership and More ❯
functional squad, delivering new features and capabilities that the business depends on. The backend is built in Go, following a documentation-first approach and a service-oriented architecture. High codequality, automated testing, and seamless deployments through CI/CD pipelines into AWS are core to the way they work. What Youll Be Doing Build & Deliver Write … clean, testable, maintainable Go code Break down User Stories into clear, deliverable tasks Drive best practices across testing, code reviews, and refactoring Ensure compliance with coding standards, security, and regulations Collaborate & Influence Partner with product owners, designers, and engineers to turn requirements into technical solutions Contribute ideas that improve systems and processes Shape the Future Support technical roadmaps … you apart. What Youll Bring 5+ years of software development with strongly typed languages (Go, Java, etc.), including 2+ years of commercial Golang experience Strong experience writing well-tested code Proven ability to take a User Story from refinement through to delivery within a sprint Solid background in data modelling and database design (SQL/NoSQL) Knowledge of distributed More ❯
cross-functionally with Product, Data Science, and Operations teams Mentor developers, promote best practices, and improve engineering workflows Shape technical strategy and contribute to long-term system improvements Drive codequality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda More ❯
Suite for automating testing across banking applications. This is a hands-on role involving rapid prototyping, tool evaluation, and the delivery of automated test scenarios aimed at enhancing softwarequality and operational efficiency. Key Responsibilities Technical Design and implement a test automation framework using UiPath Develop and execute automated test scripts for financial applications Validate software functionality, performance More ❯
Suite for automating testing across banking applications. This is a hands-on role involving rapid prototyping, tool evaluation, and the delivery of automated test scenarios aimed at enhancing softwarequality and operational efficiency. Key Responsibilities Technical Design and implement a test automation framework using UiPath Develop and execute automated test scripts for financial applications Validate software functionality, performance More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Run-Time Group Ltd
Key Responsibilities: Design, develop, and maintain high-quality Java-based applications for financial services. Collaborate with cross-functional teams to deliver robust and scalable software solutions. Ensure codequality, security, and performance standards are met. Work on both greenfield and existing applications, improving architecture and implementing best practices. Troubleshoot and resolve complex technical issues. Participate … in code reviews and provide constructive feedback. Stay updated with the latest financial technologies and industry trends. Key Requirements: Based in the London Area 5+ years of experience in Java development (Java 8 or later). Experience with Spring Boot, Microservices architecture, and RESTful APIs. Strong understanding of multi-threading, concurrency, and performance optimization. Knowledge of SQL and database More ❯
frameworks. Work with cloud platforms such as AWS, GCP, or Azure to deploy and scale applications. Develop and integrate high-performance, low-latency APIs for AI-driven features. Ensure codequality through testing, peer reviews, and continuous integration. Collaborate with the team to build, and maintain generative AI agents. Participate in architectural design discussions and promote engineering … AWS, GCP, etc.) and containerized environments (Docker, Kubernetes). Familiarity with MCP, devtools, AI agents, or contributed to open source You are committed to writing clean, maintainable, and scalable code, following best practices in software development. You enjoy solving complex problems and continuously improving the performance and scalability of systems. You thrive in collaborative environments, working closely with cross More ❯
to ensure seamless integration and deployment. Utilize SCM tools like Git and Perforce for version control and collaboration. Leverage tools such as SonarQube , Grunt/Gulp , and npm for codequality and build automation. Conduct JavaScript unit testing to ensure code reliability and maintainability. Optimize network performance and front-end load times for enhanced user experience. More ❯
Python, leveraging FastAPI. Lead architectural discussions with a focus on performance, scalability, and reliability. Deliver complex features end-to-end - from design through deployment and monitoring. Provide mentorship through code reviews, technical guidance, and best practices. Collaborate with Product, Design, and Engineering teams to deliver at pace. Continuously raise the bar for engineering standards, codequality … environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes preferred). Strong engineering fundamentals - testing, clean code, performance tuning, and algorithms. Experience with relational and non-relational databases (PostgreSQL, MongoDB). Comfortable working in agile, fast-moving environments with high ownership. Curious about new technology, with More ❯
mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend services Champion best practices in softwarequality, CI/CD, observability, and DevOps Collaborate with cross-functional teams including Product, QA, and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging More ❯
environment prior to each release Contribute to the quality of system delivery including the architecture, planning, estimation, development, integration, test and release infrastructure Help maintain consistently high codequality across the development team including code reviews What you’ll need to succeed: C# .Net Platform MySQL Linux (sys admin) Python Web development (MVC, Blazor More ❯
Python, leveraging FastAPI. Lead architectural discussions with a focus on performance, scalability, and reliability. Deliver complex features end-to-end - from design through deployment and monitoring. Provide mentorship through code reviews, technical guidance, and best practices. Collaborate with Product, Design, and Engineering teams to deliver at pace. Continuously raise the bar for engineering standards, codequality … environment Solid expertise in microservices, APIs, messaging patterns, and distributed systems. Proficient with cloud platforms (AWS, GCP, Azure) and containerisation (Docker; Kubernetes preferred). Strong engineering fundamentals - testing, clean code, performance tuning, and algorithms. Experience with relational and non-relational databases (PostgreSQL, MongoDB). Comfortable working in agile, fast-moving environments with high ownership. Curious about new technology, with More ❯
strategic roadmap, managing complex projects from conception to deployment Make high-impact technical decisions and provide guidance Establish best practices in software engineering and machine learning development Implement rigorous codequality and testing standards across data science projects Support talent acquisition and continuous learning initiatives Knowledge and Experience Knowledge of ML model development and deployment frameworks (MLFlow More ❯
product managers, you’ll turn complex requirements into intuitive, polished user experiences. As a senior contributor, you will influence the front-end architecture, enforce best practices, and ensure high codequality across the team. The ideal candidate has professional experience with React, TypeScript, and modern JavaScript frameworks , along with a strong understanding of component-based architecture, state … and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting opportunity to own the front-end experience in a fast-paced, innovative product environment. Requirements … and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers, conduct code reviews, and promote team-wide best practices. Bonus: experience in SaaS, fintech, or high-traffic web applications , and familiarity with CI/CD pipelines or frontend build tooling (Webpack More ❯
product managers, you’ll turn complex requirements into intuitive, polished user experiences. As a senior contributor, you will influence the front-end architecture, enforce best practices, and ensure high codequality across the team. The ideal candidate has professional experience with React, TypeScript, and modern JavaScript frameworks , along with a strong understanding of component-based architecture, state … and front-end performance optimization. Experience with RESTful APIs, GraphQL, and testing frameworks (Jest, React Testing Library, Cypress) is highly desirable. You should be comfortable mentoring junior engineers, conducting code reviews, and helping the team adopt scalable, maintainable practices. This role offers an exciting opportunity to own the front-end experience in a fast-paced, innovative product environment. Requirements … and ensuring high-quality, maintainable code. Knowledge of performance optimization, accessibility (WCAG), and cross-browser compatibility best practices. Strong collaboration skills, able to mentor junior engineers, conduct code reviews, and promote team-wide best practices. Bonus: experience in SaaS, fintech, or high-traffic web applications , and familiarity with CI/CD pipelines or frontend build tooling (Webpack More ❯