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Express Js Jobs in Washington (NOW HIRING)

Nodejs API Developer

Sterling, VA · On-site

$50.75 - $65.50/hr

Design, develop, and maintain RESTful API s and microservices using Node.js and Express.js. * Good development experience on Node JS and is primarily a middleware / backend development. * Experience ...

Experience designing, developing, and maintaining secure RESTful APIs using Node.js and Express.js * Proficient in implementing business logic, middleware, authentication, validation, and integrating ...

Experience designing, developing, and maintaining secure RESTful APIs using Node.js and Express.js * Proficient in implementing business logic, middleware, authentication, validation, and integrating ...

New

Experience designing, developing, and maintaining secure RESTful APIs using Node.js and Express.js * Proficient in implementing business logic, middleware, authentication, validation, and integrating ...

New

Software Engineer II

Annapolis Junction, MD · On-site

$107K - $146K/yr

... Express.js: strong experience developing and maintaining scalable server-side applications and microservices using the Node.js runtime and the Express.js framework. * RESTful APIs: proven ability to ...

Senior-level proficiency with the Express.js backend framework and related technologies such as GraphQL, REST, at least one ORM (Drizzle/TypeORM/Knex/Sequelize). It is expected that you will be ...

Senior-level proficiency with the Express.js backend framework and related technologies such as GraphQL, REST, at least one ORM (Drizzle/TypeORM/Knex/Sequelize). It is expected that you will be ...

MongoDB, Express.js, React.js, Node.js, PostgreSQL • Experience with CI/CD pipelines and modern software development practices • Familiarity with Docker and Infrastructure as Code (Terraform or ...

NET Framework, React, Node JS, MEAN Stack (MongoDB, Express.js, Angular, Node.js), work with AJAX, Restful web services. * Test, troubleshoot, maintain existing applications. Work Location:

NET Framework, React, Node JS, MEAN Stack (MongoDB, Express.js, Angular, Node.js), work with AJAX, Restful web services. * Test, troubleshoot, maintain existing applications. Work Location:

Senior Software Engineer

Vienna, VA · On-site

$123K - $162K/yr

... MongoDB, Express.js, React.js, Node.js). • Solid understanding of JavaScript module systems (ESM, CommonJS) and modern bundling workflows (e.g., Webpack, Vite, Rollup). • Experience with ...

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Express Js information

What is an Express Js job?

An Express.js job typically involves developing server-side applications using the Express.js framework, which is built on top of Node.js. Developers in this role design APIs, manage middleware, handle routing, and interact with databases to build web applications. They are responsible for optimizing performance, ensuring security, and integrating third-party services. Express.js developers often work closely with front-end teams to create seamless web experiences.

Is Express JS in demand?

Express JS is a popular framework for building server-side applications with Node.js, and there is consistent demand for developers skilled in it due to its widespread use in web development. Companies often seek developers familiar with JavaScript, REST APIs, and middleware to create scalable backend services.

What are common daily tasks and responsibilities for an Express.js Developer?

As an Express.js Developer, your daily tasks typically include designing, building, and maintaining server-side applications and APIs using the Express.js framework. You will collaborate with front-end developers to integrate UI components, write and test code, troubleshoot bugs, and optimize application performance. Regular responsibilities often involve participating in code reviews, updating documentation, managing databases, and working with DevOps teams to deploy new features or updates. The role requires strong teamwork and communication, as you'll frequently interact with cross-functional teams to deliver high-quality software solutions.

Is express.js a language?

Express.js is a web application framework for Node.js, which is a JavaScript runtime environment. It is not a programming language itself but a tool used by developers to build server-side applications using JavaScript. Knowledge of JavaScript is essential for working with Express.js in a development role.

What jobs can I get with JavaScript?

Jobs that require JavaScript include front-end developer, back-end developer, full-stack developer, and web application developer. These roles often involve working with frameworks like React, Angular, or Node.js and may require knowledge of HTML, CSS, and server-side programming. JavaScript skills are essential for building interactive websites and web-based applications.

What are the key skills and qualifications needed to thrive in the Express Js position, and why are they important?

To excel as an Express.js Developer, you should have strong proficiency in JavaScript, backend development, and RESTful API design, often supported by a degree in computer science or a related field. Familiarity with Node.js, version control systems like Git, and cloud deployment tools is highly beneficial, with some employers valuing certifications in JavaScript or Node.js frameworks. Outstanding problem-solving skills, effective communication, and teamwork make candidates stand out in collaborative development settings. These abilities are crucial for building scalable applications, maintaining code quality, and driving successful project deliveries.

What can I do with Express JS?

A developer working with Express JS can build server-side web applications and APIs using Node.js. It provides a minimal, flexible framework for handling routing, middleware, and request-response cycles, enabling efficient development of scalable backend services. Knowledge of JavaScript and related tools like npm is essential for effective use.
What are the most commonly searched types of Express Js jobs in Washington? The most popular types of Express Js jobs in Washington are:
Infographic showing various Express Js job openings in Washington as of June 2026, with employment types broken down into 82% Full Time, 11% Part Time, and 7% Contract. Highlights an 81% Physical, 3% Hybrid, and 16% Remote job distribution.
Senior Node.js API Developer

Senior Node.js API Developer

Accord Technologies Inc.

Sterling, VA • On-site

$50.75 - $65.50/hr

Contractor

Posted 8 days ago


Job description

Job Title: Senior Node.js API Developer
Location :Sterling, VA
Locals will be preferred . Anyone is is willing to relocate from EST will also be considered
This is a 100% Onsite role
Position type: W2 contract.

Good development experience on Node JS and is primarily a middleware/ backend development.

Experience on react as well. Good knowledge on API , JS and AWS architecture solutioning.

 

Job Title: Senior Node.js API Developer (7+ Years Experience in Node.JS)

Job Description:

We are seeking a highly experienced Senior Node.js API Developer with over 9 years of expertise in building and maintaining scalable, secure, and efficient backend systems. The ideal candidate will be responsible for designing, developing, and optimizing RESTful APIs and microservices, collaborating with cross-functional teams to deliver high-quality solutions, and ensuring the performance and security of our backend infrastructure.

Key Responsibilities:

  • Design, develop, and maintain RESTful APIs and microservices using Node.js and Express.js.
  • Write clean, well-documented, and efficient code adhering to best practices.
  • Collaborate with front-end developers, product managers, and other stakeholders to deliver integrated solutions.
  • Optimize application performance, scalability, and security.
  • Implement authentication, authorization, and data validation mechanisms.
  • Conduct code reviews and mentor junior team members.
  • Integrate third-party APIs and external services.
  • Deploy and monitor applications using cloud platforms such as AWS, Azure, or Google Cloud.
  • Build and maintain CI/CD pipelines for automated testing and deployment.
  • Document API designs and technical specifications.
  • Stay updated with the latest industry trends and incorporate innovative solutions.

Qualifications:

  • 9+ years of professional experience in Node.js development.
  • Strong proficiency in JavaScript and TypeScript.
  • Extensive experience with Express.js or similar frameworks.
  • Solid understanding of RESTful API principles, GraphQL (preferred).
  • Experience with microservices architecture and containerization (Docker, Kubernetes).
  • Proficiency with databases such as MongoDB, MySQL, PostgreSQL.
  • Knowledge of authentication/authorization protocols (JWT, OAuth).
  • Hands-on experience with cloud deployment and serverless technologies.
  • Familiarity with version control tools like Git.
  • Excellent problem-solving and communication skills.
  • Ability to work in a fast-paced, Agile environment.

Preferred Qualifications:

  • Experience with DevOps tools and CI/CD pipelines.
  • Knowledge of GraphQL, WebSockets, or real-time communication protocols.
  • Experience with monitoring and logging tools (Prometheus, Grafana, ELK).

 Key Skills:

  • Node.js & Express.js
  • RESTful API & GraphQL design
  • Microservices architecture
  • Database: MongoDB, MySQL, PostgreSQL
  • Authentication & Authorization (JWT, OAuth)
  • Cloud Platforms: AWS, Azure, Google Cloud
  • Containerization & Deployment: Docker, Kubernetes
  • Version Control: Git, GitHub, GitLab
  • Agile methodologies & DevOps practices