Senior Software Engineer - Bruin Platform Full Stack

MetTel is a global communications solutions provider with the most complete suite of fully managed services that focus on secure connectivity, and network and mobility services. We simplify communications and networking for business and government agencies. Our customers include many of the Fortune 500, and Gartner recognizes us as an industry leader. We have the broadest portfolio of technology and integrated partnerships, as well as our private network, which we use to create tailored solutions design, deployment, and ongoing management, driving cost savings, efficiency, innovation, and the ability to focus on core objectives. We believe that each team member is a key to the success and sustainability of the group. In order to achieve this, we offer an environment where all professionals can grow and develop their skills and competencies, collaborate with diverse professionals, share knowledge and enjoy a rewarding career.   We are seeking a Senior Software Engineer – Full Stack to join a new Bruin Platform Modernization team in NYC. Bruin is MetTel's mission-critical operations platform, deeply embedded in how MetTel and its customers run. This role drives Bruin's tech stack modernization — moving Bruin's core platform onto modern frameworks, retiring legacy patterns, and building the new platform components that the next generation of Bruin will be built on. You will also build new core services and platform features on the modernized stack, and contribute back-end depth to the Bruin AI Portal and the broader team's work as needed. You will partner with our Principal Software Architect and senior technical leadership on architectural direction. You will use AI-assisted engineering tools as a core part of your workflow. ROLE AND RESPONSIBILITIES: Tech Stack Modernization: Drive Bruin's tech stack modernization in partnership with the Principal Software Architect — moving core platform components onto modern frameworks, retiring legacy patterns, and establishing the patterns the next generation of Bruin will be built on. Architecture & Design: Partner with the Principal Software Architect on architectural decisions across the modernization scope. Write ADRs for significant design choices, evaluate framework and infrastructure options, and contribute to platform-wide design discussions. Full-Stack Development: Design, build, and ship new Bruin core services and customer-facing features on the modernized stack. Build across backend, API, and data layers. Cross-Track Capacity: Work flexibly across the team's tracks, where additional depth or full-stack capacity is needed. Comfortable picking up work in unfamiliar parts of the codebase and ramping quickly. Cloud & DevOps: Build and operate services on our containerized infrastructure (Kubernetes on-premise). Establish and follow CI/CD, IaC, and deployment patterns alongside the team. Code Quality & Mentorship: Conduct code reviews, write well-tested maintainable code, and c...