bottleneck, or helping internal teams and customers get more value from model outputs as needs evolve. Requirements Proven experience designing and building robust backend systems using technologies such as Node.js, Python, MongoDB, PostgreSQL, Redis, RabbitMQ, and Kafka Demonstrated ability to scale production systems in cloud-native environments, familiarity with Kubernetes, NGINX, and container orchestration Experience building and maintaining real-time More ❯
do their best work, whilst building a sense of community and collaboration. Read more about what it's like to work at VivaCity . Requirements for the role: JavaScript, Node.js and a statically-typed language (eg Go, Typescript): extensive experience required Designing & deploying cloud applications: strong ability and knowledge of concepts and modern best practices required SQL or other structured More ❯
wide solutions with a global/regional scale impact. Hands-on technical expertise in building and deploying security solutions, capabilities and infrastructure, with strong scripting skills, i.e., PowerShell, Python, Node.js, JavaScript, Bash, Ruby, Perl, etc. Technical expertise (design and/or implementation) in Cloud Computing technologies and implementation experience with enterprise security solutions such as SSO, Federation, WAF, IPS, Anti More ❯
in software development, system integration, and creating customer-facing developer resources such APIs, SDKs and documentation. Experience of Full Stack Web development and Cloud Architecture Demonstrable Experience with JavaScript, NodeJS, Python or equivalent frameworks/languages Excellent interpersonal and communication skills, both verbal and written. Articulate, charismatic, and confident in a customer-facing role, with the ability to present technical More ❯
a small reflection of our current tech stack: Frontend: React Native (iOS and Android) Typescript GraphQL (Apollo Client) Fastlane SwiftUI (Apple Watch) Maestro E2E tests Backend: Serverless (AWS) Lambdas (NodeJS & Python) AWS AppSync DynamoDB, S3, SQS, SNS, EventBridge, SageMaker Postman API tests All the other good stuff: Sentry GitHub Actions Intercom, Mixpanel RevenueCat App Store Connect/Play Store Google More ❯
Collaborate on design systems alongside UX designers. Implement frontend features whilst ensuring UX, performance, SEO, security and accessibility best practices are upheld. Build and maintain secure, scalable APIs with Node.js and a NoSQL database. Test user flows and business logic with automated tests. Debug issues across internal APIs, infrastructure, and third-party integrations. Mentor and collaborate with other developers through … Strong understanding of SSR, SSG, SPA, or derived architectures. Experience leading projects: technical planning, task breakdown, estimation, and delivery . Hands-on experience building RESTful or GraphQL APIs , with Node.js and SQL/NoSQL databases. Experience integrating third-party services, APIs, and analytics tools. An understanding of security best practices on the web. Strong debugging skills and a problem-solving … Must Frontend: HTML, CSS JavaScript (ES2020+), TypeScript SolidJS or React Unit-testing (Vitest/Jest/similar) End-to-end testing (Cypress/Playwright/similar) Backend : RESTful APIs Node.js SQL and/or NoSQL databases Unit-testing Integration testing Infrastructure: Vercel (or similar) AWS (S3, Lambda, ECS, SQS). Recommended Astro Tailwind CSS GraphQL Figma Web accessibility JS and More ❯
contact point for troubleshooting and resolving software-related issues for colleagues At Costello Medical, our technology-driven solutions leverage industry-standard tools. On the back end, we primarily utilise Node.js and Go for performance-critical services, while Python is employed for AI and machine learning solutions. Our front-end is powered by Angular, which enables the creation of dynamic and More ❯
West London, London, United Kingdom Hybrid / WFH Options
Client Server
help scale and future proof the business. You'll focus on front end components using JavaScript and Vue.js, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own More ❯
an exciting environment where engineers are empowered to make real impact. Role Overview They're are looking for a skilled and passionate Full Stack Developer with strong expertise in Node.js and TypeScript . You will be part of a high-performing engineering team building robust and scalable backend services, with opportunities to contribute to frontend features using React . Exposure … to AWS and/or NestJS is a strong plus. Key Responsibilities Design, develop, and maintain scalable backend services using Node.js and TypeScript Collaborate with frontend engineers to build seamless APIs and interfaces Participate in code reviews, technical discussions, and architecture decisions Work closely with Product and DevOps teams in a fast-paced, agile environment Deploy and manage applications on … AWS (experience here is a plus) Write clean, maintainable, and well-tested code Key Skills & Experience Required: 36 years of professional software development experience Proficiency in Node.js and TypeScript Good understanding of software engineering principles, REST APIs, and asynchronous programming Experience with modern frontend development, ideally with React Familiarity with Git and CI/CD pipelines Nice to Have: Experience More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Develop
across product, design, ops, and data Continuously improve performance, reliability, and developer experience Contribute to a positive, inclusive engineering culture Our Tech Stack Languages & Frameworks: TypeScript (Next.js), Python (FastAPI), Node.js Infrastructure: Vercel, Google Cloud Platform Architecture: Monorepo with internal packages AI: Real applications in production & under active development What We're Looking For Strong commercial full-stack development experience Proficiency … in JavaScript/TypeScript and Next.js Backend experience with Node.js or Python Experience building AI-driven features or tools Great collaboration and communication skills A balance of fast iteration and long-term thinking What You Will Get ?? Equity from day 1 -everyone's an owner ?? Hybrid work (2 days/week in our London office) ?? 25 days holiday + bank More ❯
of experience in DevOps or similar software engineering roles Strong proficiency with Git and cloud platforms (AWS, GCP) Hands-on experience with scripting languages such as Python, Go, or Node.js Benefits : Highly competitive salary with performance-based bonuses Flexible, remote-friendly working environment Generous equity/token allocation Annual learning & development budget for certifications and training If you are interested More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Top3Devs
to make meaningful contributions to both the product's design and functionality in a growing, mission-driven environment. Main Responsibilities: Develop and improve features across the platform using TypeScript, Node.js, Express, and jQuery. Take ownership of front-end development tasks, with a strong focus on improving UI/UX, especially in onboarding and user journeys. Rethink and redesign user flows … Main Requirements: 3+ years of experience in full-stack web development, with a front-end emphasis . Strong skills in TypeScript, HTML, CSS, and jQuery. Backend development experience with Node.js and Express. A good sense for user experience, capable of thinking through and refining how users interact with the product. Experience designing or improving UI flows for clarity and ease More ❯
Excellent understanding of Core Java and large scale distributed systems TDD Must Haves Back-end skills Experience of developing server-side services with Java and one or more of Node.js or similar backend languages (C#/.NET omitted) Designing and creating REST APIs Experience of integration technologies like SOAP Strong understanding and experience of relational and NoSQL database design and More ❯
London, England, United Kingdom Hybrid / WFH Options
Solirius Reply
execution, setting clear goals and timelines. Participate in code reviews and contribute to establishing coding standards. Additional Backend Technology (optional but preferred): Knowledge of additional backend technologies such as Node.js, Python, Java, or Go. Contribute to full-stack development or transition between different backend frameworks when necessary Key Requirements: Experience in Ruby on Rails development. Strong experience with DevOps practices … and integration. Proven experience leading development teams and mentoring junior engineers. Strong understanding of software architecture, version control (Git), and testing frameworks. Familiarity with additional backend technologies such as Node.js, Python, or Java is a plus. Nice-to-Have Skills: Experience with infrastructure automation tools (e.g., Terraform, Ansible). Knowledge of containerization and orchestration tools such as Docker and Kubernetes. More ❯
while working in a collaborative Agile environment. Responsibilities Build and maintain full-stack applications deployed on AWS, ensuring high performance and reliability. Design and implement APIs and microservices using Node.js, Python, or Java. Develop responsive user interfaces with React.js, Angular, or Vue.js, following best practices for performance and accessibility. Utilise AWS services such as Lambda, API Gateway, S3, DynamoDB, and … full-stack development, including cloud-based applications. Proficiency in JavaScript/TypeScript and modern frontend frameworks such as React.js, Angular, or Vue.js. Hands-on experience with backend development using Node.js, Python, or Java. Familiarity with AWS services such as Lambda, API Gateway, DynamoDB, RDS, and IAM. Experience working with relational (PostgreSQL, MySQL) and NoSQL (DynamoDB, MongoDB) databases. Understanding of unit More ❯
modern frameworks/libraries such as React. Proficiency in mobile device technologies such for Kotlin (Android) and Swift (iOS) Strong understanding of server-side languages and frameworks such as Node.js, .NET, PHP, GoLang, Rust Experience with database management systems e.g., MySQL, PostgreSQL, MS SQL Server MongoDB). Familiarity with Git and branching strategies such as GitOps Solid understanding of testing More ❯
experience Experience in architecting software and creating applications from scratch Frontend: proficiency in languages like HTML5, CSS3, JavaScript, Java Backend: proficiency in languages like PHP, Python Django/Flask, Node.JS, Express.JS Operating Systems: Windows, macOS Databases: proficiency in databases like MySQL, SQL Server, MongoDB, PostgreSQL, etc. Familiarity with platforms like Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP More ❯
colleagues. Education and expertise Bachelor's degree in Computer Science, Applied Mathematics, Engineering, or a related discipline, or equivalent experience. Strong software development experience React, Typescript/js (ES6) Node.js (express) Experience with SQL relational databases such as Postgresql Demonstrable experience of using Restful API in a production setting. Test frameworks (e.g. jest, jasmine, playwright) Understanding of CI/CD More ❯
is an equal opportunity employer, valuing diversity and inclusivity. Key Responsibilities: Participate in agile ceremonies (planning, retrospectives, ‘3 amigos’) Design and build web applications and microservices using C#, ASP.NET, NodeJS, Web Components Automate deployments and monitor services in production. Provide L2/L3 support (optional and remunerated) The Ideal Candidate will have: Experience of working in a professional and agile … applications. Designing secure, performant public-facing, HATEOAS, RESTful web APIs Ability to explain complex technical issues in simple terms Interest in microservices architecture Event-driven applications in .NET or NodeJS using a message bus such as RabbitMQ or Azure Service Bus Protocol understanding of Ethernet and TCP/IP An aptitude for solving tough problems Azure Functions Desirable: Networking Knowledge More ❯
London, England, United Kingdom Hybrid / WFH Options
IB Boost Limited
of importance to our business, butnot necessarily what you'd work with directly in this role): Java Angular MySQL/MariaDB Spring AWS Maven Git Ansible HTML/CSS NodeJS Docker/Podman Jenkins Packer Terraform ElasticSearch Grafana Kibana Telegraf Ubuntu Nexus Windows Server Hyper-V Vagrant Eclipse RCP Python Matomo Sonarqube Google Suite You MUST have experience with these … to our business, butnot necessarily what you'd work with directly in this role): Java JavaScript Angular MySQL/MariaDB Spring AWS Groovy Maven Git Ansible HTML/CSS NodeJS Azure Docker/Podman Kubernetes Jenkins CentOS/Alma/Rocky Packer Terraform Nginx ElasticSearch Grafana Kibana Telegraf Ubuntu Nexus Windows Server Hyper-V Vagrant Eclipse RCP Python Matomo Sonarqube More ❯
Experience with containerization (Docker, Kubernetes) for cloud deployments. Familiarity with other cloud providers or platforms in addition to AWS. Knowledge of additional programming languages or frameworks such as TypeScript, Node.js, or Java. Previous experience in the FinTech or Mortgage industries is a plus. Seniority level Mid-Senior level Employment type Full-time Job function Information Technology Industries Software Development and More ❯
role is pivotal in shaping and delivering a fully serverless platform built on AWS and Azure, utilising modern technologies such as React for the front-end and TypeScript with Node.js for the back-end. The successful candidate will thrive on creating intuitive, responsive, and visually engaging features that elevate the user experience. This position offers a unique opportunity to influence More ❯
culture and practices while helping us build an environment where developers thrive and create meaningful change. Our Tech Stack Languages: TypeScript/JavaScript, C# Libraries and frameworks: React, Next.js, Node,js, .NET Testing: Vitest, PlayWright, Pact, K6 Datastores: PostgreSQL, CosmosDB, Redis Infrastructure and DevOps: GitHub Actions, Azure, Kubernetes, Docker, Terraform Monitoring: Grafana, Azure App Insights While familiarity with our full … role and occasional travel to other offices in London and EMEA will be required at times. Requirements A minimum of 5+ years experience in software engineering. Strong proficiency in Node.js and TypeScript, or demonstrable experience in similar backend technologies with a willingness to quickly upskill. Experience with React and Next.js is a plus Strong understanding of database systems, including both More ❯