Sr. Full Stack Engineer ( Backend Focused) || Manhattan, NY - Hybrid || 12+ months || Video | F2F Interview

Stellent IT LLC (Manhattan NY, USA) Follow 1 hour ago

Title: - Sr. Full Stack Engineer ( Backend Focused)

Location- Manhattan, N.Y. Hybrid

Duration 12+ Mos.

Probable Interview Process 1^st. Video. 2^nd -- On-Site Mandatory

Local Candidates - Utilities Experience Preferred
We cannot consider H-1B candidates for this client because of the employer details listed on their H-1B.

JOB DESCRIPTION
Position 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 Client'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.
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.
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
Utility, energy, or regulated industry experience
TECHNICAL SKILLS
Must Have
a highly skilled Full Stack Developer