[Remote] Senior Backend Engineer

Note: The job is a remote job and is open to candidates in USA. US Mobile is on a mission to revolutionize connectivity with a software platform designed for the 21st century. They are seeking an exceptional backend engineer and hands-on architect to help scale and connect millions of devices to wireless networks, focusing on building quality tools and ensuring continuous uptime.ResponsibilitiesDevelop 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/SNSWork with NoSQL databases like MongoDB for data modeling and storageCollaborate with Product, QA, and DevOps teams to deliver reliable and scalable featuresWrite clean, testable, and well-documented code with unit and integration testsParticipate in system architecture design, code reviews, and performance tuningSkills7+ years of experience with Java and Spring BootStrong experience with building and consuming REST APIsHands-on experience with message brokers such as RabbitMQ or AWS SQS/SNSFamiliarity with MongoDB or other NoSQL database technologiesExperience 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 servicesDemonstrated 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 efficiencySolid understanding of Git, CI/CD workflows, and agile development practicesExcellent debugging, problem-solving, and communication skillsExcellent problem-solving and debugging skillsStrong communication and team collaboration skillsBenefitsHealth care coverage through Aetna (Medical, Dental, Vision)Flexible paid time offGym reimbursement (up to $100 a month)Commuter reimbursement (MTA, Metro North, etc..)Free cell phone serviceYour choice of equipment + Bose QC/Apple Airpod Pro headphones401kCompany OverviewUS Mobile builds a next-generation connectivity platform to connect the next billion wireless devices onto nationwide 4G and 5G networks. It was founded in 2014, and is headquartered in New York, New York, USA, with a workforce of 51-200 employees. Its website is https://www.usmobile.com/.Company H1B SponsorshipUS Mobile has a track record of offering H1B sponsorships, with 1 in 2026, 5 in 2025, 6 in 2024, 4 in 2023, 3 in 2022, 3 in 2021, 2 in 2020. Please note that this does not guarantee sponsorship for this specific role.