851 to 875 of 891 DemandTrendPermanent Node.js Jobs

Full Stack Developer London - Hybrid £60,000 - £70,000 + Equity + Benefits This is an outstanding opportunity for a Full Stack Developer specialising in AWS, Node.js, and React to join an innovative fintech startup dedicated to transforming how individuals manage and utilise their pensions. This company is a fintech startup with a mission to empower individuals to invest and … now seeking a developer to design the architecture and lead the development of back-end services and web applications. The ideal candidate will have a robust background in AWS, Node.js, and React, along with expertise in NoSQL databases, RESTful API design and development, product development, and deployment of applications on both iOS and Android platforms. A strong business orientation and … potential to advance to a directorship position in a rapidly expanding market. The Role: Shaping the architecture and the development of back-end services and web applications AWS, React, Node, NoSQL Define and own the technical strategy for back-end and front-ends 1 day a week on site in London The Person: AWS, Node.js, NoSQL, CI/CD practices More ❯

Junior Full Stack Developer – early-stage start-up React Native, Node.js, TypeScript, ML, mobile apps £40-50k equity London - 2-3 days per week in the office We’re looking for a talented Junior Full Stack Mobile Application Developer to join a very small early-stage tech startup creating a sustainable future for travel. With VC funding secured and … to all the technical skills. Requirements: 1-2+ years’ experience Experience building and shipping mobile applications, preferably with React Native Strong proficiency in TypeScript/JavaScript Experience with Node.js for backend development Familiarity with modern frontend and backend frameworks A solid understanding of RESTful APls and mobile-to-server communication Adaptability and an interest in learning new things quickly … as the business develops Nice-to-haves: Experience with the Expo framework for React Native Experience with MongoDB Knowledge of Fastify or similar Node.js web frameworks Experience with payment systems like Stripe Familiarity with mapping and location-based services An interest in sustainable technology and community-building platforms Early-stage startup experience Machine learning i.e. scikit-learn Junior Full Stack More ❯

Senior Full Stack Engineer | TypeScript, Node.js & React | Salary £58-68k | Hybrid (one day a week in Bristol) I’ve got an amazing opportunity for a Mid-Senior Engineer to join a sustainability tech company based in Bristol.I’m super-excited about this role, as it’s a sector that I’m passionate about and I think this is the … in terms of the ability to have a direct & tangible impact on the environment!My client is looking for a Senior Full Stack Engineer with strong expertise across TypeScript, Node.js, React & AWS, and you’ll be further developing a core range of products; enabling them to have an even greater impact on the environment! This role is a Senior Engineer … user and have experience of working in product-focussed start-up teams. What you’ll need A strong background in full stack TypeScript development Deep commercial experience of TypeScript, Node.js & React Ideally strong cloud experience with AWS A passion for improving the environment and driving sustainability forward in the world! Experience of working in a start-up environment with the More ❯

ll be at the forefront of building and maintaining powerful, high-performance systems that support real-world healthcare delivery. You'll be working with modern technologies such as Go, Node.js, Redis, RabbitMQ, Postgres, and Docker—all deployed within AWS environments. Your expertise will help shape our evolving microservice architecture, improve our engineering practices, and directly impact clinicians and patients across … the UK. The ideal candidate will have strong experience in backend development with languages such as Go or Node.js and familiarity with event-driven systems, microservices, and Docker. You will have a Solid understanding of databases (e.g. Postgres) and message queues (e.g. RabbitMQ). Previous experience with healthcare systems would be desirable and experience working in AWS environments is a More ❯

ll be at the forefront of building and maintaining powerful, high-performance systems that support real-world healthcare delivery. You'll be working with modern technologies such as Go, Node.js, Redis, RabbitMQ, Postgres, and Docker—all deployed within AWS environments. Your expertise will help shape our evolving microservice architecture, improve our engineering practices, and directly impact clinicians and patients across … the UK. The ideal candidate will have strong experience in backend development with languages such as Go or Node.js and familiarity with event-driven systems, microservices, and Docker. You will have a Solid understanding of databases (e.g. Postgres) and message queues (e.g. RabbitMQ). Previous experience with healthcare systems would be desirable and experience working in AWS environments is a More ❯

ll be at the forefront of building and maintaining powerful, high-performance systems that support real-world healthcare delivery. You'll be working with modern technologies such as Go, Node.js, Redis, RabbitMQ, Postgres, and Docker—all deployed within AWS environments. Your expertise will help shape our evolving microservice architecture, improve our engineering practices, and directly impact clinicians and patients across … the UK. The ideal candidate will have strong experience in backend development with languages such as Go or Node.js and familiarity with event-driven systems, microservices, and Docker. You will have a Solid understanding of databases (e.g. Postgres) and message queues (e.g. RabbitMQ). Previous experience with healthcare systems would be desirable and experience working in AWS environments is a More ❯

Responsibilities: Perform white-hat (ethical) penetration testing on our cloud-hosted SaaS appliance. Identify and report vulnerabilities across application layers, APIs, and infrastructure. Collaborate with development teams (Go and Node.js) to remediate security issues. Evaluate and Test TEE solutions (e.g., AWS Nitro Enclaves, Azure Confidential Computing and Google Confidential Computing.). Conduct threat modeling and risk assessments. Develop and maintain … with emerging security threats, vulnerabilities, and mitigation techniques. Proven experience in penetration testing and ethical hacking. Strong understanding of cloud security (AWS, Azure, GCP). Familiarity with Go and Node.js application security. Experience with TEE technologies or confidential computing. Knowledge of OWASP Top 10, CVEs, and secure coding practices. Proficiency with tools like Burp Suite, Metasploit, Nmap, Wireshark, etc. Certifications More ❯

Help further mature the security program Who You Are • Strong experience with penetration testing and other technical security assessments• Experience identifying security issues in code, particularly within Java and Node.js• Experience with cloud environments, particularly AWS and modern micro-service design principles• Comfortable communicating findings clearly and effectively, with concrete remediation recommendations beyond simple issue reporting• Comfortable scripting and contributing … Seniority Level Mid-Senior level Industry Financial Services Employment Type Contract Job Functions Information Technology Skills IT Security Assessments Java Vulnerability Security Operations Center Python (Programming Language) Penetration Testing Node.js More ❯

solutions (e.g., SQLite, Hive) to ensure data reliability during offline usage. Develop efficient data synchronization mechanisms to push local data to cloud endpoints. Integrate mobile apps with backend APIs (Node.js) hosted on Azure. Ensure secure communication and data transmission between the app and cloud services. Performance Optimization : Profile and optimize app performance to handle continuous data streaming from BLE devices. … Experience with local data storage solutions (e.g., SQLite, Hive) and offline-first design principles. Hands-on experience with RESTful APIs, secure authentication, and integration with backend systems. Knowledge of Node.js for understanding backend endpoints and integrations. Familiarity with Azure services, including App Services, SQL Database, and monitoring tools. Expertise in troubleshooting issues like data loss, BLE connection stability, and performance More ❯

This Senior JavaScript Engineer role is with a startup who are one of fastest growing in their field. They've just gone through a round of funding and need to up their productivity so are looking for an extra pair More ❯

WunderGraph is growing fast, and we're on a mission to redefine how companies leverage GraphQL Federation at scale. Our North Star is to enable collaboration across small and large organizations, leveraging APIs as the backbone of growing the business. More ❯

Senior QA Engineer Department: Engineering Employment Type: Permanent - Full Time Location: London Reporting To: Janosh Orosz Compensation: £75,000 - £107,000/year Description Senior Test Automation Engineer London/Hybrid Freetrade's mission is to become the default place More ❯

Join the Digital Revolution as a Front-End Developer! Are you a talented Front-End Developer ready to shape the future of digital experiences? Our innovative tech client is seeking individuals like you to contribute to their cutting-edge digital More ❯

to the scaling up of Backend engineers in multiple squads. This will include conducting technical interviews to identify and onboard talented engineers. About your role as Staff Engineer, Backend (Nodejs) Design, build, and maintain features for domain applications Provide technical leadership and manage dependencies Conduct design and code reviews Support and help grow domain team members by helping them with … code to improve or extend applications Manage and provide assistance for current software applications Provide technical leadership and mentorship to others About your experience Solid backend engineering experience with Node.js and Go Strong foundation in programming fundamentals Excellent communication skills Proven problem-solving abilities and a willingness to help others achieve their goals Extensive experience with Git in a team More ❯

our global team, you'll be working with cutting-edge technologies and will have the opportunity to develop a wide range of new skills on the job. As a Node.JS Application Developer, you will: Be responsible for designing, building, and configuring applications to meet business process and application requirements. You will be expected to perform independently and become a subject More ❯

ML frameworks (TensorFlow, PyTorch). Strong understanding of LLMs, NLP, and machine learning algorithms. MLOps knowledge and experience with version control systems. Back-end engineering skills in Python or Node.js (willingness to upskill in Node.js/TypeScript). Ability to explain AI concepts to technical and non-technical stakeholders. Problem-solving mindset and ability to lead AI-driven initiatives. Bonus More ❯

Title: Senior Full Stack Developer (React & Node) Salary: Up to £110,000 D.O.E Location: London (Hybrid) iO Associates is working with a global FinTech powerhouse that's leading the charge in delivering high-performance electronic trading platforms for institutional clients - and they're now looking for a Senior Full Stack Developer to join their growing engineering team! This is a … a key role in building scalable, client-facing solutions using modern JavaScript technologies. What you'll be doing: Designing and developing robust full stack applications using React.js (v16+) and Node.js Working directly with proprietary trading engines to create high-performance tools Building white-label trading platforms tailored to client needs Collaborating with global trading and research teams to deliver innovative More ❯

180K-220K, Brand new contract - Fully Funded! 5 years left. Hampton VA area Software Engineer Clearance: Active Top Secret SCI with FS Polygraph Languages Preferred: C++, C#, Java, Python, Node.js Responsibilities: Develop and maintain secure, mission-critical software for DoD/IC systems Collaborate with systems, cyber, and integration engineers Support C5ISR, EW, or RF-based platforms Requirements: Active TS …/SCI FSP 5+ years of experience in software development Proficiency in one or more of: C++, C#, Java, Python, Node.js More ❯

vulnerabilities, and optimise Programs Work with SPL Tokens, Token 2022, and Metaplex Core for NFT and token integrations Develop client libraries for integrating with our Programs using Rust and Node.js Collaborate with backend engineers and product teams to define and implement protocol features Monitor on-chain activity , debug issues, and optimise performance Tech Stack Languages & Frameworks: Rust, Anchor Solana Tools … SPL Token, Token 2022, Metaplex, Metaplex Core Testing: Rust, Node.js , Typescript Qualifications 3+ years of experience in Rust development 1+ years working with Solana Programs and Anchor framework Strong understanding of Solana's runtime, transaction execution, and security best practices Experience with DeFi, RWA (Real-World Assets), and staking mechanisms Knowledge of SPL Token standards and Metaplex NFT protocols Ability More ❯

firms, and high-growth unicorns. Mission: Help fix a broken system by building one that actually works. What Will You Do? Architect and implement an event-driven backend using Node.js, Supabase (Postgres), and AWS. Build real-time patient/provider workflows powered by AIthink dynamic scheduling, intake, and automation. Design event pipelines to process structured operational data like call transcripts … a high-throughput system. Collaborate cross-functionally with AI and frontend teams to deliver a seamless care experience. What Will You Need? 5+ years of backend engineering experience using Node.js, TypeScript, and PostgreSQL. Deep experience with event-driven systems and real-time data processing (Kafka, RabbitMQ, webhooks). Strong grasp of distributed system architecture and messaging infrastructure. Bonus points if More ❯

driven environment, this role is for you. Important: Only candidates with active SC clearance can be considered. What You'll Do: Design and build robust backend services using Next.js, Node.js, and AWS Bedrock Architect and implement MCP servers to support dynamic agent creation and deployment Develop scalable, secure RESTful APIs and GraphQL endpoints Integrate AWS foundation models and optimise their … ensure seamless integration Set up and manage CI/CD pipelines using GitLab Contribute to containerisationand deployments on OpenShift What You'll Bring: 3+ years backend development experience with Node.js/Next.js Proven experience with AWS services (particularly Bedrock & AI/ML integrations) Strong understanding of REST APIs, microservices, and secure coding Experience with CI/CD pipelines (GitLab preferred More ❯

Full Stack Developer– London | Up to £80k Hexwired has partnered with a company who are a leading company in the SaaS sector. They are looking for a Full Stack Developer who will be building and shipping mobile applications. Although you More ❯

JavaScript Developers Requirements We are seeking JavaScript Developers with the following qualifications: Approximately 1 year of commercial experience Proficiency in Functional JavaScript Experience with Node.js Knowledge of React/Redux Familiarity with Express Candidates should have a keen eye for detail, experience with Test-Driven Development (TDD), and an understanding of good software design principles. Node.js Developer Position Blockchain Quant More ❯

years in a technical leadership role. Strong experience building and deploying crypto wallets, DeFi protocols , and working with Web3 tech stacks (e.g., EVM, Solidity, ethers.js/web3.js) . Strong NodeJS and React Native mobile development experience with experience launching and maintaining successful applications. Good C++ development experience and understanding of OS, Cryptography and Networking primitives. Experience building Native addons in … NodeJS is great to have. Desirable to have experience in building peer-to-peer (P2P) applications or distributed systems and decentralized communication models. Solid grasp of software architecture principles, system design patterns , and API integrations. Excellent leadership, problem-solving, and communication skills. Experience working in a high-growth, fast-paced startup environment. Bachelor's or Master's degree in Computer More ❯

future. Currently looking for: Blockchain Integration Specialist Remote Key responsibilities Build, improve and maintain clusters of blockchain daemons/consensus nodes in a scalable and highly redundant way Develop Node/JS workers, in Bitfinex's microservices infrastructure, that interface with blockchain nodes API (REST/Websocket) interfaces Implement robust monitoring tools to control the stability of Bitfinex's blockchain … infrastructure Create good quality policies, procedures and technical documentation Minimum Requirements Previous experience in interacting with blockchain nodes (ie. Bitcoin, Ethereum) Strong passion for Bitcoin and other cryptocurrencies Advanced Node/JavaScript skills Familiar with microservices architecture and REST APIs Ability to quickly learn new technologies Advanced understanding of security practices Nice to have Solidity, Rust or Golang skills are More ❯