javascript engineer

RAFT

<div><p>We are a dynamic UK-based technology company that is fundamentally changing the way international logistics operates. We&rsquo;ve built deep credibility in the supply chain, partnering with more than 60 global leaders to eliminate manual processes, unify fragmented systems, and unlock intelligence at scale. Along the way, we&rsquo;ve raised over $45M from Bessemer Venture Partners and Eight Roads to accelerate this mission.</p><p>
With the launch of our next-generation agentic platform, we&rsquo;re doubling down on our supply chain roots while laying the groundwork to expand into new industries. Designed to handle messy data, fragmented systems, and people-intensive workflows, our platform is already proving its versatility. Customers in finance demonstrate how these same capabilities translate seamlessly into finance, insurance, and beyond, validating our vision of Raft as the enterprise AI platform that can scale across industries.</p><p>
As a Senior Frontend Engineer, your role will involve developing the front end of our application. You'll be asked to incorporate our company and customer needs into our application in a functional and visually appealing way. You'll work with team members from across the stack to ensure a great user experience.<br>
<br>
<b>Day to day, you will:</b></p><ul>
<li>
Operate on our flagship customer-facing application</li>
<li>Contribute in our internal tooling system to craft and design new reusable features for widespread company use.</li>
<li>Develop complex web-app behaviors including real-time functionality</li>
<li>Maintain and improve the frontend infrastructure and development environment</li>
<li>Collaborate with QA, Product and Design to deliver on the product vision</li>
</ul><p></p><p><b>
We specifically want somebody who:</b></p><ul>
<li>
Is highly capable with JavaScript and TypeScript beyond and including the use of React</li>
<li>Thoughtfully architects and tests high-quality, reusable components</li>
<li>Can maintain complex data structures in the frontend and sync them via HTTP and WebSockets</li>
<li>Cross-functionally collaborates - you&rsquo;ll be working with teams encompassing Machine Learning engineers to design and product management</li>
Has 5+ years experience, where we are particularly looking for your commercial application of the above skills<br>
<li>
</li>
</ul><p><b>Apply because you want to&hellip;</b></p><ul>
<li>
Create excellent software with technical freedom that can be found only in a scale-up</li>
<li>Work with the very latest libraries and help us maintain our cutting edge stack</li>
<li>Collaborate with a diverse team with high emotional intelligence</li>
<li>Help shape the future at a company that applies in-house Machine Learning to a commercially viable solution for our global freight-forwarding customers</li></ul></div>

Senior Frontend Engineer

Bloomberg L.P.

<p>Senior Software Engineer - MOCA</p><p>Location</p><p>London</p><p>Business Area</p><p>Engineering and CTO</p><p>Ref #</p><p></p><p><strong>Description & Requirements</strong></p><p>The Market and Order Data Analytics (MODA) platform is essential to Bloomberg's trading automation and execution systems by providing scalable shared infrastructure for the normalization, distribution, and storage of trading data.</p><p>We build and own the APIs that express the platform's data model, along with the infrastructure systems that validate and distribute the data through our network and to our consumers. We provide our clients with a platform that allows engineers across Bloomberg to enrich and combine data sources, enabling the definition of complex heuristics that are critical to our clients' trading decisions.</p><p><strong>What are we looking for?</strong></p><p>We are looking for an experienced, self-driven full-stack engineer to help us in our mission to unlock the power of trading data. We're looking for someone who takes initiative, thrives in cross-functional environments, and can independently lead projects from concept to delivery. Because our work touches so many teams, you'll collaborate closely with product owners and engineers across multiple organizations.</p><p><strong>Our Tech Stack</strong></p><ul><li><p>Languages: Our engineers spend around 70% of their time writing C++, with the rest of the time spent building and enhancing UI components in TypeScript/JavaScript</p></li><li><p>Tools: A mix of open-source and custom-built software</p></li><li><p>Focus: High-performance, scalable, and maintainable infrastructure</p></li></ul><p><strong>What's in it for you?</strong></p><ul><li><p>A chance to work at the intersection of infrastructure and application development</p></li><li><p>Ownership of high-visibility projects that directly impact client trading experiences</p></li><li><p>A unique opportunity to shape the future of Bloomberg's data platform as it scales to new users and use cases</p></li></ul><p><strong>You will need to have</strong></p><ul><li><p>Demonstrated experience in system design and architecture</p></li><li><p>Strong problem-solving skills in large, interconnected systems</p></li><li><p>Proficiency in C++ development</p></li><li><p>The ability to collaborate with our stakeholders and turn their ideas into fully scoped out projects</p></li></ul><p><strong>We'd love to see</strong></p><ul><li><p>A passion for data driven systems</p></li><li><p>A strong sense of ownership</p></li><li><p>TypeScript/JavaScript experience</p></li></ul><p>Bloomberg is an equal opportunity employer and we value diversity at our company. We do not discriminate on the basis of age, ancestry, color, gender identity or expression, genetic predisposition or carrier status, marital status, national or ethnic origin, race, religion or belief, sex, sexual orientation, sexual and other reproductive health decisions, parental or caring status, physical or mental disability, pregnancy or parental leave, protected veteran status, status as a victim of domestic violence, or any other classification protected by applicable law.</p><p>Bloomberg is a disability inclusive employer. Please let us know if you require any reasonable adjustments to be made for the recruitment process. If you would prefer to discuss this confidentially, please email </p><img src="https://www.jobg8.com/Tracking.aspx?3T4Xc8xAqRnPLwUcn7ac7LGb9WtMdJjEp" width="0" height="0" />

Senior Software Engineer - MOCA London, GBR Posted today

Sublime Wireless Inc

<p>Job Title: <b>Senior Full Stack Engineer</b></p><p>We are seeking an experienced Senior Full Stack Engineer to lead the development of cutting-edge applications at Datum Labs. The ideal candidate will have deep expertise in Python/Django and React, with a proven track record of building scalable, secure, and high-performance web applications in cloud environments. If you thrive in architecting solutions end-to-end, from database design to deployment, this role is for you.</p><p><b>Key Responsibilities</b></p><ul><li>Design, develop, and maintain robust, scalable full-stack applications using Python/Django on the backend and React (with Next.js) on the frontend.</li><li>Implement state management solutions (Redux, Zustand).</li><li>Apply strong JavaScript and Python skills to deliver high-quality solutions.</li><li>Write and maintain unit testing and regression testing coverage.</li><li>Architect cloud-native solutions leveraging AWS Services (EC2, S3, Lambda, RDS, CloudFront, etc.).</li><li>Build and optimize RESTful and GraphQL APIs for seamless integration with frontend and third-party services.</li><li>Design, manage, and optimize relational (PostgreSQL/MySQL) and NoSQL databases.</li><li>Implement CI/CD pipelines and containerization strategies (Docker, Kubernetes) for efficient deployments.</li><li>Ensure system scalability, high availability, and security.</li><li>Work closely with designers, data engineers, and product managers to translate business requirements into technical solutions.</li><li>Guide junior developers, conduct code reviews, and enforce best practices.</li><li>Maintain detailed technical documentation for codebases, architecture, and processes.</li><li>Integrate Firebase (core cloud database), authentication &amp; verification, and alerts &amp; notification management.</li><li>Integrate Stripe payment systems (plus).</li><li>Handle SaaS styling using Tailwind CSS or any other modern styling library.</li><li>Build third-party component integrations.</li><li>Design scalable components and follow server-side rendering patterns.</li></ul><p><b>Required Skills &amp; Qualifications</b></p><ul><li>5+ years in full-stack development, with significant hands-on experience in Python/Django and React (with Next.js).</li><li>Proven AWS experience (EC2, S3, RDS, API Gateway, etc.).</li><li>Strong understanding of modern JavaScript (ES6+), HTML5, CSS3, Redux, Zustand, Tailwind, or similar frameworks.</li><li>Expertise in Python, Django/DRF, and relational database design.</li><li>Familiarity with CI/CD, Git workflows, and infrastructure as code (Terraform/CloudFormation).</li><li>Strong debugging and optimization skills.</li><li>Excellent communication, leadership, and collaboration skills.</li></ul><p>Perks &amp; Benefits:</p><ul><li>Competitive salary</li><li>Opportunities for advancement</li><li>Professional training and certifications</li><li>Food, travel, gym allowance</li><li>Paid time off and holidays</li><li>Bi-annual increments and bonuses</li><li>Opportunity for certifications</li><li>Working on modern Technologies</li><li>Flexible working hours</li></ul><p>Job Type: Full-time</p><p>Pay: Rs300,000.00 - Rs400,000.00 per month</p><p>Work Location: In person</p>

Senior Full Stack Engineer (Python_Django_React_Next.js)

Intellias

<div><div><div><p><b>Meet your recruiter</b></p><b>
Yaryna Holynska</b></div>
<div></div><div><div><div>yaryna.holynska@intellia...</div>
</div></div><div></div><div><div>https://www.linkedin.com...
</div></div></div><div><div><b>Vacancy details</b></div>
<div><div>Software Engineering</div>
</div><div><div>JavaScript Engineer (NodeJS)</div>
</div><div><div>Middle</div>
</div><div><div><div>Egypt,</div><div>
Poland,</div><div>
Ukraine</div></div>
</div><div><div>Remote
</div></div><p></p><div>
<p><b>Refer a friend now</b></p></div></div></div>
<br><div><div><div>Our client is a company that enables people, enterprises, and cities to harness the power of location. By making sense of the world through the lens of location, it empowers their customers to achieve better outcomes from helping a city manage its infrastructure or an enterprise optimize its assets to delivering drivers to their destination safely.</div>
</div><div><div><b>What project we have for you</b></div>
<div><div>Designing the MCP Server for the client&rsquo;s API from scratch.</div>
<div>
This project focuses on the development of a robust and scalable MCP server. This server will act as a vital bridge, enabling AI agents and other MCP-compatible clients to intelligently interact with Client&rsquo;s Location APIs. By creating this crucial piece of infrastructure, you will empower AI to understand and reason about the physical world, opening up new possibilities in logistics, autonomous systems, urban planning, and beyond.</div>
</div></div><div></div><div><div><b>What you will do</b></div>
<div><ul><li>Design and implement core services for:
<ul><li>MCP Server (tool registry, session management, protocol endpoints).</li>
<li>MCP Content Delivery (streaming, heavy data transformation, async workers).</li>
<li>Guardrails (usage quotas, rate limiting, anomaly detection, schema validation).</li>
<li>Advanced trace collection and observability dashboards.</li>
</ul></li><li>Implementing the logic to interface with a diverse set of Location APIs, ensuring efficient and reliable data exchange.</li>
<li>Integrate OpenTelemetry for distributed tracing and ensure SLO/SLA compliance.</li>
<li>Optimize system performance for high-throughput/low-latency operations.</li>
<li>Participate in code reviews, architecture discussions, and sprint planning.</li>
<li>Collaborate closely with QA, DevOps, and BA to refine backlog items and deliver secure, high-quality releases.</li>
<li>Contribute to documentation, runbooks, and best practices for maintainability and scalability.</li>
</ul></div></div><div></div><div><div><b>What you need for this</b></div>
<div><ul><li><ul><li>3+ years of professional experience in backend development with Node.js (NestJS).</li>
<li>Solid understanding of distributed systems and high-load data processing (streaming, queuing, caching).</li>
<li>Experience in design and implementation of scalable and secure REST APIs</li>
<li>Good knowledge of SQL/NoSQL databases (PostgreSQL, Redis, S3-compatible storage).</li>
<li>Good understanding of the Model Context Protocol (MCP) and its client-server architecture is highly desirable.</li>
<li>Experience with observability stacks (OpenTelemetry, Prometheus, Grafana, ELK) and tracing/metrics collection.<br>
<b>Nice-to-Haves:</b></li>
</ul></li></ul><ul><li><ul><li>Previous experience with geospatial data or location-based services is a big plus.</li>
<li>Knowledge of CI/CD pipelines and infrastructure as code</li>
</ul></li></ul></div></div><div></div><div><div><b>What it&rsquo;s like to work at Intellias</b></div>
<div><div>At Intellias, where technology takes center stage, people always come before processes. By creating a comfortable atmosphere in our team, we empower individuals to unlock their true potential and achieve extraordinary results. That&rsquo;s why we offer a range of benefits that support your well-being and charge your professional growth.<br>
We are committed to fostering equity, diversity, and inclusion as an equal opportunity employer. All applicants will be considered for employment without discrimination based on race, color, religion, age, gender, nationality, disability, sexual orientation, gender identity or expression, veteran status, or any other characteristic protected by applicable law.<br>
We welcome and celebrate the uniqueness of every individual. Join Intellias for a career where your perspectives and contributions are vital to our shared success.</div></div></div></div><div></div>

Middle Node.js Engineer

myZoi

<div><span style="font-size: 11px;"><b>The Role</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">You will be forming a squad with a mission to build and deliver a world class application to our global customer base. You will be challenged to deliver software that is highly functional yet simple, feature rich yet low latency and overall best of breed using typescript and react native. You will experiment with TS, JS, React, SSR, styling and delivery techniques to challenge and improve our application and delivery across diverse regional requirements. You will be fully agile and fully empowered. You will be an innovator and a mentor. You will work with a hybrid local and overseas team with best-in-class tools and processes.</span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;"><b>Responsibilities</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">Build, deliver and support React and React native applications for a new and exciting product</span></div><div><span style="font-size: 11px;">Build and test components that are reusable and accessible</span></div><div><span style="font-size: 11px;">Build component libraries to empower engineers to provide first class branded experiences</span></div><div><span style="font-size: 11px;">Optimise the application delivery - size, latency, reliability</span></div><div><span style="font-size: 11px;">Maximise compatibility and network considerations</span></div><div><span style="font-size: 11px;">Collaborate with the team to architect, review and propose solutions</span></div><div><span style="font-size: 11px;">Work on continuously improving the application delivery processes</span></div><div><span style="font-size: 11px;">Be an awesome member of the team, have fun and enjoy social events</span></div><div><span style="font-size: 11px;"><b><br></b></span></div><div><span style="font-size: 11px;"><b>About You</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">You are a skilled, creative and inquisitive engineer with a passion for quality and delivery</span></div><div><span style="font-size: 11px;">You have hands on experience of front end and mobile development using react native</span></div><div><span style="font-size: 11px;">You have an appreciation of high quality shared components, styling and presentation</span></div><div><span style="font-size: 11px;">You have knowledge across build tools, optimisation techniques and modern frameworks</span></div><div><span style="font-size: 11px;">You have strong communication skills, curiosity and are a quick learner</span></div><div><span style="font-size: 11px;">You enjoy a creative fast paced agile world</span></div><div><span style="font-size: 11px;">You enjoy mentoring and teaching other developers to create a world class cohesive team</span></div><div><span style="font-size: 11px;">You enjoy making friends, having fun</span></div><div><span style="font-size: 11px;"><b><br></b></span></div><div><span style="font-size: 11px;"><b>Skills</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">Advanced modern React native experience across Android, iOS, Huawei</span></div><div><span style="font-size: 11px;">React framework and tools, Redux, RTK</span></div><div><span style="font-size: 11px;">Strong Typescript and Javascript experience</span></div><div><span style="font-size: 11px;">Swift, Java, Kotlin</span></div><div><span style="font-size: 11px;">Skilled in Styling techniques</span></div><div><span style="font-size: 11px;">Appreciation of building quality shared components</span></div><div><span style="font-size: 11px;">Working experience in Javascript, Typescript, Android, iOS build and deployments through to production and app stores</span></div><div><span style="font-size: 11px;">Experience with responsive and adaptive design</span></div><div><span style="font-size: 11px;">Server Side Rendering Techniques, package and delivery optimisation for adverse scenarios</span></div><div><span style="font-size: 11px;">Unit, End-to-end and UX testing frameworks and techniques</span></div><div><span style="font-size: 11px;">Appreciation of high application security and compliance</span></div><div><span style="font-size: 11px;">Great design and communication skills and a team player</span></div><div><span style="font-size: 11px;">Knowledge of agile delivery</span></div><div><span style="font-size: 11px;">Bonus Skills</span></div>

Senior Frontend and Mobile Engineer

Cube Discipline

<p>We are looking for an experienced <b>Senior Node.js / AI Engineer</b> to lead the design and development of intelligent, scalable backend systems. The ideal candidate will have strong expertise in <b>Node.js</b> for backend development and practical experience integrating <b>AI/ML models</b> into production environments.</p><p><b>Key Responsibilities:</b></p><ul><li>Lead development of <b>backend services and APIs</b> using <b>Node.js (Express/Nest.js)</b>.</li><li>Collaborate with <b>AI/ML teams</b> to integrate machine learning models into live applications.</li><li>Design and implement <b>microservices, event-driven architectures, and RESTful APIs</b>.</li><li>Optimize system performance, scalability, and data flow between backend and AI components.</li><li>Mentor junior developers and review code to maintain best practices.</li><li>Deploy and manage applications on <b>cloud platforms (AWS, GCP, or Azure)</b>.</li><li>Work closely with cross-functional teams including data scientists and product managers.</li></ul><p><b>Requirements:</b></p><ul><li>Bachelor&rsquo;s or Master&rsquo;s in Computer Science, Software Engineering, or a related field.</li><li><b>5&ndash;8+ years</b> of backend development experience, primarily with <b>Node.js</b>.</li><li>Hands-on experience with <b>AI/ML integration</b> (TensorFlow, PyTorch, or OpenAI APIs).</li><li>Proficient in <b>JavaScript/TypeScript</b>, <b>NoSQL/SQL databases</b>, and <b>API design</b>.</li><li>Experience with <b>cloud computing, containerization (Docker/Kubernetes)</b>, and CI/CD.</li><li>Strong problem-solving, leadership, and communication skills.</li></ul><p>Job Type: Full-time</p><p>Work Location: In person</p>

Sr NodeJS/AI Engineer (remote)

<div><p><b>Would you like to join the leading international intergovernmental organization?</b><br>
<br>
Allied Command Transformation (ACT) is NATO&rsquo;s leading agent for change: driving, facilitating, and advocating the continuous improvement of Alliance capabilities to maintain and enhance the military relevance and effectiveness of the Alliance.</p><p>
We are looking for a passionate Full-stack engineer who will provide remote support to ACT&rsquo;s digital modernization initiatives, focusing on the design, development, testing, deployment, and sustainment of secure, containerized applications. The work will align with our client's Digital Transformation Implementation Strategy and Data Exploitation Implementation Plan, contributing to the Warfare Development Agenda through interoperable software solutions and APIs that integrate with existing platforms. Close collaboration with the stakeholders, including SHAPE, JWC, and JFTC, will ensure outputs meet our client's requirements while supporting agile delivery, continuous integration/continuous delivery (CI/CD), and cybersecurity standards. Developers must remain flexible and able to rapidly learn new technologies to advance the digital transformation goals.</p><p><b><br>
Responsibilities:</b></p><ul>
<li>
Build containerized application tools following the 12-Factor App methodology, Test Driven Development (TDD), and Extreme Programming (XP).</li>
<li>Develop products as part of a balanced agile team (Product Manager, Product Owner, UI/UX Designer, and Data Scientists as applicable).</li>
<li>Design and implement REST APIs and microservices architecture.</li>
<li>Develop full-stack solutions using modern JavaScript, Python, and/or Java frameworks.<ul>
<li>Perform front-end development (e.g., React, Angular).</li>
<li>Perform back-end development (e.g., Node.js, Django/Flask, SpringBoot).</li>
</ul></li><li>Conduct database design and programming (e.g., MySQL, PostgreSQL, MongoDB).</li>
<li>Deploy containerized applications using Docker, Kubernetes, or OpenShift.</li>
<li>Work in a collaborative, pair programming environment as needed.</li>
<li>Rapidly learn and apply new programming languages, frameworks, and tools.</li>
<li>Support the creation of sustainable DevSecOps pipelines and agile delivery practices.</li>
</ul><p><b>
We are happy to hear from you if you have:</b></p><br>
<ul>
<li>
Minimum 4 years of experience in full-stack development using JavaScript, Python, or Java.</li>
<li>Minimum 4 years of experience in front-end development (React, Angular, etc.) and/or back-end development (Node.js, Django/Flask, SpringBoot, etc.).</li>
<li>Minimum 4 years of experience in database design/programming (MySQL, PostgreSQL, etc.).</li>
<li>Experience in REST API design and development.</li>
<li>Experience with Test Driven Development (TDD).</li>
<li>Experience in Microservices Architecture.</li>
<li>Experience deploying containerized applications with Docker, Kubernetes, or OpenShift.<br>
</li>
<li>Experience working in collaborative, agile teams.</li>
<li>Experience delivering iterative releases in an Agile/DevSecOps environment.</li>
<li>Fluent English skills (verbal and written).</li>
<li>Bachelor&rsquo;s degree in Computer Science, Engineering, or a related field (or equivalent professional experience)</li>
<li><b>Willingness to work in EST time zone</b></li>
</ul><p>
If you've read the description and feel this role is a great match, we'd love to hear from you! Click &quot;Apply for this job&quot; to be directed to a brief questionnaire. It should only take a few moments to complete, and we'll be in touch promptly if your experience aligns with our needs.</p></div>

Senior Full-stack engineer (EST timezone)

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