Hybrid Senior Backend Engineer

at US Mobile

• Job title: Senior Backend Engineer
• Job type: Full Time
• Experience level: Senior
• Salary: $140,000 - $180,000 per year
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Django, Flask, Java, MongoDB, NoSQL, Python, RabbitMQ, Spring, Spring Boot, SpringBoot
• Location requirements: Hybrid, New York City, United States

About the role

• Backend Engineer architecting solutions for a connectivity platform. Helping to scale millions of devices while ensuring a high-quality product for US Mobile.

Responsibilities

• Architect optimal solutions to our business problems
• Deploy exciting new features
• Help us scale to scale to 10’s of millions of customers & connected devices
• Build quality tools and frameworks to ensure a high-quality product
• Build systems to ensure continuous uptime
• Develop and maintain RESTful APIs using Java (Spring Boot or related web frameworks) or Python (Flask, Django)
• Design and implement asynchronous service communication using RabbitMQ or AWS SQS/SNS
• Work with NoSQL databases like MongoDB for data modeling and storage
• Collaborate with Product, QA, and DevOps teams to deliver reliable and scalable features
• Write clean, testable, and well-documented code with unit and integration tests
• Participate in system architecture design, code reviews, and performance tuning

Requirements

• 7+ years of experience with Java and Spring Boot
• Strong experience with building and consuming REST APIs
• Hands-on experience with message brokers such as RabbitMQ or AWS SQS/SNS
• Familiarity with MongoDB or other NoSQL database technologies
• Experience integrating and leveraging AI-assisted development tools such as Claude and Opencode to accelerate backend development, including code generation, debugging, and optimization of APIs and services.
• Demonstrated ability to incorporate AI tools into the software development lifecycle, using Claude or Opencode for tasks like automated code reviews, documentation generation, and improving system design efficiency.
• Solid understanding of Git, CI/CD workflows, and agile development practices
• Excellent debugging, problem-solving, and communication skills
• Excellent problem-solving and debugging skills
• Strong communication and team collaboration skills

Benefits

• Health care coverage through Aetna (Medical, Dental, Vision)
• Flexible paid time off
• Gym reimbursement (up to $100 a month)
• Commuter reimbursement (MTA, Metro North, etc..)
• Free cell phone service
• Your choice of equipment + Bose QC/Apple Airpod Pro headphones
• 401k