Sr. Full Stack Engineer (Back End Focused) - Hybrid NYC

Job Summary

We're looking for a Senior Full Stack Engineer with a strong backend focus to design, build, and maintain scalable applications and backend services that support Con Edison's business operations and customer-facing solutions. This role combines advanced backend engineering expertise with front-end integration experience to deliver secure, reliable, and high-performing enterprise applications across the full software development lifecycle. The ideal candidate brings deep experience in enterprise software architecture, API design, cloud platforms, and modern web security, with a proven ability to lead technical initiatives and mentor junior developers.

Key Responsibilities

• Design & Develop: Architect, build, and maintain resilient backend services, RESTful APIs, and microservices.
• Full Stack Integration: Build and support modern full stack web applications, seamlessly integrating backend APIs with frontend component libraries.
• Technical Leadership: Lead design sessions, make foundational architecture decisions, and write clean, maintainable, and well-documented code.
• Security & Performance: Optimize applications for scalability, reliability, and security. Ensure systems adhere to strict corporate compliance and security policies.
• Troubleshoot: Debug complex production issues (including identity, session management, and database bottlenecks) and implement permanent, sustainable solutions.
• Collaboration & Mentorship: Partner with Product Owners, UX Designers, and Cloud Engineers. Actively mentor junior developers and promote engineering best practices.

Qualifications

• Education: Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent professional experience).
• Experience: 8+ years of professional full stack and backend software development experience.
• Backend Mastery: Strong, hands-on experience in at least one core backend language (e.g., C#/.NET, Java, or Node.js/TypeScript).
• Frontend Knowledge: Experience with modern frontend frameworks (ideally React or Angular), HTML5, CSS3, and JavaScript.
• API & Database Design: Extensive experience designing, securing, and consuming RESTful APIs, alongside solid knowledge of relational databases (e.g., SQL Server, PostgreSQL).
• Enterprise Security: Solid understanding of secure coding practices, OAuth2/OIDC, JWT, SAML, and directory integrations (e.g., Active Directory).
• Accessibility: Strong understanding of and experience with accessibility standards (WCAG).
• Cloud & DevOps: Experience deploying and maintaining applications on cloud platforms (Azure or GCP) using Git and CI/CD pipelines.

Preferred Qualifications

• Experience with containerization (Docker, Kubernetes) and microservice orchestration.
• Experience with event-driven architecture and messaging systems (e.g., Kafka, RabbitMQ).
• Familiarity with Agile/Scrum methodologies in a large-scale enterprise environment.
• Experience developing reusable design systems or custom UI component libraries.
• Prior experience working within a utility, energy, or highly regulated industry.

Soft Skills

• Strong communication and collaboration skills
• Ability to lead technical discussions and guide development teams
• Ability to manage multiple priorities in fast-paced environments
• Attention to detail and commitment to quality
• Ability to work independently and within team settings

Nice to Have

• Experience with Progressive Web Applications (PWA)
• Experience developing reusable design systems and component libraries
• Prior experience working within a utility, energy, or highly regulated industry