Top Javascript Jobs in Portland, ME

Design, develop, and maintain back-end services and APIs using Node.js and TypeScript, while ensuring code quality, security, and scalability through testing and collaboration with QA and Product teams.

The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.

Lead the architecture and building of React projects, estimate JavaScript tasks, and mentor engineers while connecting engineering to business objectives.

As a Senior JavaScript Engineer, you'll lead React projects, estimate workloads, review code, and align engineering with client objectives, creating scalable web applications.

As a Software Engineer focused on AI training, you'll evaluate AI-generated JavaScript, write solutions, and identify code logic issues to enhance AI systems.

As Founding Full-Stack Engineer, lead the development of technology solutions, build integrations, and define tech roadmap priorities in a remote role for an insurance tech provider.

As a Staff Software Engineer, you will lead enhancements of JavaScript ecosystem infrastructure focusing on automation, tooling, and security for npm packages while collaborating across teams.

Lead the development of data science dashboards to mitigate fire hazards, collaborating with various teams to enhance the web application and optimize backend services.

As a Senior Fullstack Software Engineer, you will guide architectural decisions, mentor junior developers, handle complex technical challenges, and ensure project alignment across teams using various front-end and back-end technologies.

Develop and implement features by building backend APIs and frontend code, lead projects, and collaborate with teams to solve user problems.

The Backend Engineer will develop intricate backend systems, build performant APIs, and contribute to technology innovation at Entefy.

Design and develop backend services for clinical AI, ensuring high quality and secure coding practices while collaborating across disciplines.

Seeking a full stack engineer to develop applications, requiring skills in Node.js, SQL, and modern JavaScript frameworks with a focus on scalability and performance.

The Senior Backend Software Engineer will build intricate backend systems, develop APIs, ensure high availability, and improve application scalability and performance.

The role involves building user experiences, APIs, and data handling processes in a TypeScript application using React and Remix, while balancing performance and quality.

Join the Entefy team as a Senior Full Stack Engineer to build a scalable full stack application enhancing digital interaction for global clients.

As a Senior Software Engineer (Backend), you will develop features, test and debug APIs, create technical documentation, and contribute to infrastructure solutions.

Join Janea Systems as a Software Engineer, developing backend applications, designing APIs, and collaborating with diverse teams to solve engineering challenges.

The Senior Fullstack Engineer will design software architecture, deliver tested features, attend scrum meetings, and ensure seamless front-end and back-end integration.

The Founding Software Engineer will design, develop, and maintain web applications, optimizing performance and collaborating with stakeholders on requirements.

As a Senior Software Engineer at Flex, you'll design and maintain financial services architecture, mentor junior engineers, and ensure scalability and security for innovative financial products.

Seeking a Senior Software Engineer for full-stack development with 6+ years experience, focusing on Ruby on Rails and cloud technologies, in a remote US position.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

Design and develop scalable backend systems for SaaS applications, mentor engineers, and lead projects while collaborating with cross-functional teams.

Seeking talented Backend Software Engineers to develop solutions for large scale problems and manage project deliverables in machine learning infrastructure.