Senior Full Stack Engineer; Backend Focused

Senior Full Stack Engineer (Backend Focused)

ECLARO is looking for a Senior Full Stack Engineer (Backend Focused) for our client in New York, NY. ECLARO's client operates one of the world's largest energy delivery systems, constantly at the forefront of innovations in developing technology. If you're up to the challenge, then take a chance at this rewarding opportunity!

Position Overview:

• 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 consultant 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:

• Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent professional 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 / Type Script).
• 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 & Dev Ops:
  Experience deploying and maintaining applications on cloud platforms (Azure or GCP) using Git and CI / CD pipelines.
• 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.
• Technical
  
  Skills:
  
  A highly skilled Full Stack Developer

Preferred Experience:

• 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.
• Experience with Progressive Web Applications (PWA).
• Experience developing reusable design systems and component libraries.
• Utility, energy, or regulated industry experience.

If hired, you will enjoy the following ECLARO Benefits:

• 401k Retirement Savings Plan administered by Merrill Lynch
• Commuter Check Pretax Commuter Benefits
• Eligibility to purchase Medical, Dental & Vision Insurance through ECLARO

Equal Opportunity

Employer:

ECLARO values diversity and does not discriminate based on Race, Color, Religion, Sex, Sexual Orientation, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status, in compliance with all applicable laws.