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Back End Developer

Eccalon, LLC
Hanover, MD Full Time
POSTED ON 2/6/2026 CLOSED ON 3/4/2026

What are the responsibilities and job description for the Back End Developer position at Eccalon, LLC?

***NOT REMOTE***


Location: Hanover, MD ***NOT REMOTE***

Type: Full-time

Active Clearance: Not Required


About Us

Eccalon provides global solutions to the most challenging technological issues of the 21st-century, and our evolving portfolio spans five major markets: Machine Learning, Cybersecurity, Aerospace & Defense, Material Sciences, Advance Manufacturing, Sports Science, Biotechnology, and Health & Life Sciences. Visit our website here.


Why Join Us?

Eccalon's Executives foster a supportive work environment allowing our teams to thrive, and have a fierce dedication to innovation, security, and people. Our culture is built on inclusion, teamwork, trust, and we are committed to offering career advancement opportunities to all employees. Encouraging a healthy and balanced life, we offer an extensive benefits package to support the wellness of our employees and their families. You will be joining a team of innovators, working with cutting edge technologies, supporting mission critical projects, and making an impact.


Job Summary

Eccalon is seeking a skilled Node.js Backend Developer to join our innovative IT team. As a Node.js Backend Developer, you will be responsible for designing, developing, and maintaining backend services and APIs to support our web and mobile applications. You will work closely with front-end developers, project managers, and stakeholders to deliver robust, scalable, and efficient backend solutions using Node.js and related technologies.


Key Responsibilities

  • Designing and developing scalable backend services and APIs using Node.js.
  • Building reusable code and libraries for future use.
  • Integrating backend services with third-party APIs and external systems.
  • Collaborating with front-end developers to integrate user-facing elements with server[1]side logic. Implementing security and data protection measures.
  • Optimizing backend application performance.
  • Troubleshooting and debugging backend issues.
  • Participating in code reviews and providing constructive feedback to peers.
  • Keeping abreast of industry trends and best practices in backend development.


Required Qualifications

  • Bachelor’s degree in computer science, or a related field (or equivalent work experience).
  • Proven experience as a Node.js Backend Developer or similar role.
  • Strong proficiency in JavaScript and TypeScript.
  • Experience with Node.js frameworks such as Express.js, Nest.js, etc.
  • Experience with databases like MongoDB, MySQL, PostgreSQL, etc.
  • Knowledge of RESTful APIs and microservices architecture.
  • Familiarity with server-side security best practices and implementation.
  • Understanding of front-end technologies (HTML5, CSS3, JavaScript).
  • Good understanding of asynchronous programming and event-driven architecture.
  • Excellent problem-solving skills and attention to detail.
  • Good interpersonal and communication skills.
  • Ability to work effectively in a collaborative team environment.

Salary.com Estimation for Back End Developer in Hanover, MD
$87,202 to $111,686
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