Backend Developer

Mobiles360; New York (NY); Hybrid; USD 100,000 - 145,000; Full time

Benefits offered by this job

Health insurance

Hybrid work model

Paid time off

Learning & development budget

Home office stipend

Team events

Job summary

Mobiles360 is seeking a Backend Developer to design, build, and maintain server-side infrastructure, APIs, and databases, with a focus on scalable, secure services that power millions of users.

The role emphasizes Node.js and TypeScript, MongoDB, cloud platforms, microservices, CI/CD, and collaboration with frontend teams in an Agile environment.

Qualifications

• 4+ years of backend development experience.
• Proficiency in Node.js and TypeScript.
• Strong experience with MongoDB and Mongoose.
• Proven track record designing RESTful APIs at scale.
• Familiarity with AWS, GCP, or Azure.
• Experience with containers (Docker) and Kubernetes.
• Knowledge of security best practices (OAuth 2.0, JWT, TLS).

Responsibilities

• Design, develop, and maintain scalable RESTful APIs and microservices.
• Architect and optimize MongoDB schemas and queries.
• Collaborate with frontend teams to define API contracts.
• Implement authentication, authorization, and security across services.
• Monitor, troubleshoot, and optimize performance and reliability under load.
• Write clean, well-documented, testable code and participate in code reviews.
• Set up and maintain CI/CD pipelines and deployment automation.
• Ensure data integrity, backups, and disaster recovery plans.
• Work in an Agile environment and contribute to sprint planning and stand-ups.

Skills

Backend development

RESTful APIs

Microservices

Security best practices

Analytical problem solving

Tools

Node.js

TypeScript

MongoDB

Mongoose

AWS/GCP/Azure

Docker

Kubernetes

Git

OAuth 2.0 / JWT / TLS

Job description

New York, US Full-time $100,000 – $145,000 per year

About the Role

We are looking for a talented Backend Developer to join our engineering team at Mobiles360. You will be responsible for designing, building, and maintaining our server-side infrastructure, APIs, and database systems. This is a high-impact role where you will have the opportunity to solve challenging technical problems at scale and directly influence the architecture of a platform that millions of users rely on every day.

Responsibilities

• Design, develop, and maintain scalable and reliable RESTful APIs and microservices using Node.js and TypeScript
• Architect and optimize database schemas and queries for MongoDB and other data stores
• Collaborate with frontend developers to define API contracts and seamless integration strategies
• Implement authentication, authorization, and security best practices across all services
• Monitor, troubleshoot, and optimize system performance, reliability, and scalability under load
• Write clean, well-documented, and thoroughly testable code following agreed-upon standards
• Participate actively in code reviews, architectural discussions, and technical decision-making
• Set up and maintain CI/CD pipelines and deployment automation workflows
• Ensure data integrity, backup strategies, and disaster recovery plans are in place
• Work in an Agile environment and contribute to sprint planning, stand-ups, and retrospectives

Requirements

• 4+ years of professional experience in backend development
• Strong proficiency in Node.js and TypeScript
• Solid experience with MongoDB and Mongoose ORM
• Proven track record designing and building RESTful APIs at scale
• Familiarity with cloud platforms such as AWS, GCP, or Azure
• Understanding of microservices architecture and distributed systems principles
• Experience with containerization technologies (Docker; Kubernetes is a plus)
• Proficiency with Git and collaborative development workflows
• Strong knowledge of security best practices including OAuth 2.0, JWT, and TLS
• Excellent analytical, debugging, and problem-solving abilities

Nice to Have

• Experience with Next.js API routes and serverless functions
• Knowledge of message queuing systems (RabbitMQ, Kafka, or similar)
• Experience with Redis or other in-memory caching solutions
• Familiarity with infrastructure-as-code tools such as Terraform or Pulumi
• Background in performance tuning, query optimization, and database indexing strategies

What We Offer

• Competitive salary of $100,000 – $145,000 per year, based on experience
• Comprehensive health, dental, and vision insurance from day one
• Flexible working hours and a hybrid work model (3 days in-office, 2 remote)
• 20 days of paid time off plus all federal holidays
• $2,000 annual learning and professional development budget
• Home office setup stipend of $1,000
• Regular team events, off-sites, and company retreats
• A collaborative, inclusive, and growth-oriented work environment