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

Randstad

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

Job Overview

Location: New York, New York (Hybrid)

Employment Type: W2

Candidate Pay Rate: $56

Experience: 8+ years

About the Role

  • 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.

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.

Required 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.

Required Skills & Technologies

Primary Skills
  • C#/.NET
  • Java
  • Node.js/TypeScript
  • React
  • Angular
  • HTML5
  • CSS3
  • JavaScript
  • RESTful APIs
  • SQL Server
  • PostgreSQL
  • OAuth2
  • OIDC
  • JWT
  • SAML
  • Active Directory
  • WCAG
  • Azure
  • GCP
  • Git
  • CI/CD

Secondary Skills
  • Docker
  • Kubernetes
  • Kafka
  • RabbitMQ
  • Agile/Scrum
  • Design systems
  • Component libraries
  • Utility/energy/regulated industry experience
  • PWA

How to Apply

To apply for this exciting opportunity, please contact:

Recruiter Contact:

Phone: View phone number on product.excelhire.com

  1. Update Your Resume: Please add any missing skills or certifications that align with the role.
  2. Apply Online: Click the "Apply" button at the end of the job description and complete the required details.
  3. Submit Supporting Documents: Upload a photo ID. If you are not a U.S. citizen or Green Card holder (GC-EAD), please include your work authorization details.
  4. Confirmation: Once submitted, reply to this email to let me know. I'll review your updated materials and, if there's a match, schedule a video interview to discuss further.

We appreciate your time and interest in this opportunity. Our team will review your application carefully and respond promptly.

Vacancy posted more than 2 months ago

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