Backend Developer (US)

Appsierra Group; New York (NY); On-site; USD 90,000 - 140,000; Full time

Job summary

Appsierra Group is seeking a Backend Developer in New York to design, build, test, and maintain scalable backend services and APIs. You will work across teams to ensure robust RESTful interfaces and reliable data handling.

The role emphasizes clean, well‑tested code, API design, and collaboration with frontend and third‑party services. Prior experience with Java, Python, or Node.js and databases is required.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 2–5 years of backend/software development experience.
• Proficiency in Java, Python, or Node.js.
• Experience designing and consuming APIs.
• Good understanding of databases, data structures, and software development principles.

Responsibilities

• Develop and maintain scalable backend services and APIs.
• Design and implement RESTful APIs and microservices.
• Write clean, maintainable, and well‑tested code.
• Work with SQL and NoSQL databases.
• Integrate backend systems with frontend applications and third‑party services.
• Troubleshoot performance, reliability, and production issues.
• Participate in code reviews and technical discussions.
• Collaborate with cross‑functional teams.

Skills

Backend development

API design

RESTful APIs

SQL/NoSQL databases

Java

Python

Node.js

Education

Bachelor's degree in Computer Science, Engineering, or related field

Tools

Docker

AWS

Azure

GCP

CI/CD

Spring Boot

Django

Express.js

Job description

We are seeking a skilled Backend Developer to join our team. The role involves designing, developing, testing, and maintaining scalable backend applications and APIs.

Key responsibilities

• Develop and maintain scalable backend services and APIs.

• Design and implement RESTful APIs and microservices.

• Write clean, maintainable, and well‑tested code.

• Work with SQL and NoSQL databases.

• Integrate backend systems with frontend applications and third‑party services.

• Troubleshoot performance, reliability, and production issues.

• Participate in code reviews and technical discussions.

• Collaborate with cross‑functional teams.

Required qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

• 2–5 years of backend/software development experience.

• Strong proficiency in at least one of Java, Python, or Node.js.

• Experience building and consuming APIs.

• Good understanding of databases, data structures, and software development principles.

• Strong communication and problem‑solving skills.

Nice to have

• Experience with cloud platforms such as AWS, Azure, or GCP.

• Familiarity with Docker and containerization.

• Knowledge of CI/CD pipelines and Agile/Scrum methodologies.

• Experience with frameworks like Spring Boot, Django, or Express.js.