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Senior Backend Developer
Senior backend developer building secure, scalable Node.js services for a crypto platform, improving APIs, databases, and microservices while ensuring compliance and high availability.
Senior Java Software Engineer
Senior Java engineer building scalable backend services and APIs for a global payments platform, mentoring junior engineers and driving modern engineering practices.
Java Software Engineer
Build and maintain Java-based applications using Spring, microservices, and cloud-native tools, while collaborating across client sites and offices.
Junior Java Developer -Python, Ruby, Fintech50 in London - Quant Capital
Builds and maintains Java-based trading systems alongside Python and Ruby tools, working in a collaborative fintech startup environment.
Senior Full Stack Java Developer – Outside IR35
Build and maintain enterprise Java/Spring microservices and React frontends, integrating systems via REST APIs while collaborating with clients and teams.
Full Stack Java Developer
Build and maintain enterprise Java web apps with Spring Boot, React, and microservices on AWS, while owning CI/CD and collaborating with clients.
Java Developer - Leicester
Build and lead Java-based enterprise applications using Spring, Hibernate, and cloud platforms like AWS/Azure, while mentoring junior engineers and shaping technical direction.
Senior Frontend Engineer - Remote within UK
Build and scale a React/TypeScript frontend for a cyber-resilience platform that simulates threats and measures security readiness.
Mid/Senior Frontend Developer
Build and own scalable frontend features in React/TypeScript for a data-heavy analytics platform serving media and gaming industries.
Frontend Developer
Build and own the Vue.js-based front-end of a global SaaS platform serving health, fitness and coaching customers, while helping shape engineering standards and AI-assisted workflows.
Python Developer - Geospatial Image Processing
Develop Python backend services for an AI-powered platform that processes satellite imagery and scientific data to provide climate and Arctic insights, using geospatial and image processing technologies.
Full Stack Developer - React/Node
Build and maintain full-stack web apps and APIs for a high-volume ecommerce business using React, Node.js, TypeScript, and SQL.
Full Stack Developer - Remote
Build and maintain web apps for an AI-driven recruitment marketplace using Node.js/Python and modern front-end stacks.
Senior Android Engineer
About us Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative…
Security Lead - Senior Cloud Security Engineer
Lead cloud security engineering for government clients, designing secure AWS architectures, automating compliance checks, and mentoring teams to protect cloud environments.
Senior DevSecOps Engineer
Senior DevSecOps Engineer builds and secures cloud-native CI/CD pipelines, automates infrastructure with IaC, and integrates security testing into releases for government clients.
Software Engineer III
Build and maintain open-source JavaScript tools and packages for the npm registry, collaborating with internal teams and external contributors to deliver secure, scalable developer infrastructure.
Staff SoC Power Performance Verification Engineer
Job Description: Passionate in analyzing performance bottlenecks and driving architectural improvements? Eager to expand into building SoC platforms for performance verification analysis? Arm’s System-on-Chip (SoC)…
Platform Operations Engineer (Site Reliability Engineer)
Owns cross-platform observability, incident response, and reliability for Vertiv’s digital ecosystem, implementing monitoring, SLOs, and automation to ensure high availability and performance of critical AI and automation platforms.
RPA / Test Automation Engineer
Builds and governs RPA bots in UiPath/Power Automate and maintains internal test automation frameworks to reduce manual work and speed up software delivery.