Senior Enterprise Application Developer (Full Stack)

Exponent Inc.•Phoenix, AZ

1d•Remote

About The Position

Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most profoundly unique, unprecedented, and urgent challenges. We are committed to engaging multidisciplinary teams of science, engineering, and regulatory experts to empower our clients with solutions that create a safer, healthier, more sustainable world. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. Join our team of experts with degrees from top programs at over 500 universities and extensive experience spanning a variety of industries. At Exponent, you’ll contribute to the diverse pool of ideas, talents, backgrounds, and experiences that drives our collaborative teamwork and breakthrough insights. Plus, we help you grow your career through mentoring, sponsorship, and a culture of learning. Thanks for your interest in joining our team! We are currently seeking a Senior Enterprise Application Developer (Full Stack) to join our Information Technology team in any US office or remote. In this role, you will work within a collaborative team of internal developers to design and deliver high-impact, business-critical applications across the full technology stack. You will take ownership of end-to-end solution delivery, spanning modern frontend development with React, backend services in .NET, and scalable, cloud-native architectures on Amazon Web Services. This role includes responsibility for system architecture, technical leadership, and hands-on development, with a strong emphasis on building and integrating AI-driven solutions, including applications powered by large language models and modern AI platforms. You will partner closely with business stakeholders and engineering teams to translate complex requirements into scalable, maintainable systems that deliver measurable value to the organization.

Requirements

Full Stack Expertise
Strong experience building modern web applications with React (or similar frontend frameworks)
Deep expertise in backend development using .NET / ASP.NET Core
Proven ability to design and implement scalable system architectures, RESTful APIs, and cloud-integrated applications
Cloud & AWS
Extensive experience designing and deploying solutions on AWS
Strong hands-on experience with serverless architectures and event-driven systems
Experience building and operating cloud-native applications in production environments
Architecture & Systems Design
Proven experience designing distributed, scalable systems
Strong understanding of microservices, event-driven architectures, and system integration patterns
Ability to balance performance, scalability, maintainability, and cost in system design
AI & Modern Tooling
Experience integrating AI/ML or LLM-based solutions into enterprise applications
Familiarity with platforms such as Amazon Bedrock, Azure AI, or similar
Experience using AI tools to enhance software development workflows
Data & Persistence
Strong experience with relational and NoSQL databases (e.g., SQL Server, PostgreSQL, RDS)
Expertise in data modeling, query optimization, and database performance tuning
DevOps & Agile
Experience with CI/CD pipelines and modern DevOps practices (GitHub, Azure DevOps)
Strong understanding of Agile methodologies (Scrum, Kanban) and iterative delivery
Leadership
Excellent leadership, mentorship, and communication skills
Proven ability to collaborate effectively across cross-functional teams and deliver results in dynamic environments

Responsibilities

Full Stack Development
Design and build modern, responsive web applications using React and related ecosystems
Develop robust, scalable backend services using .NET / ASP.NET Core
Own features end-to-end, from user experience and frontend implementation to API design, data access, and persistence
Build intuitive, high-performance interfaces that enable complex workflows and data interactions
AI-Driven Application Development
Design and implement applications leveraging LLMs and modern AI tooling
Integrate AI into core business workflows, including: Document processing Intelligent automation Advanced data analysis
Utilize modern AI platforms (e.g., Amazon Bedrock, Azure AI APIs) to deliver production-grade solutions
Apply AI/ML techniques to enhance application capabilities, improve efficiency, and unlock new business value
Cloud & Serverless Architecture
Architect, build, and deploy scalable, cloud-native solutions on Amazon Web Services
Design and implement event-driven and serverless systems, leveraging services such as: AWS Lambda Step Functions ECS S3, EventBridge, SQS
Ensure systems are resilient, cost-efficient, and optimized for performance at scale
Apply best practices for distributed systems, observability, and fault tolerance
Architecture & Technical Leadership
Lead the design and development of scalable, mission-critical systems, including N-tier and CQRS/ES architectures
Define and evolve system architecture across frontend, backend, and cloud infrastructure
Interface directly with business stakeholders to gather requirements, translate needs into technical solutions, and ensure alignment with business objectives
Provide technical leadership across projects, guiding design decisions and ensuring engineering excellence
Mentor developers and foster a culture of continuous learning, collaboration, and high-quality delivery
Engineering Excellence & Delivery
Apply best practices such as Domain-Driven Design (DDD), SOLID principles, and modern architectural patterns
Operate within Agile SDLC frameworks (Scrum, Kanban) to deliver high-quality, maintainable solutions
Build and maintain CI/CD pipelines using GitHub and Azure DevOps, enabling automated testing and reliable deployments
Leverage AI-assisted development tools to improve developer productivity, automate testing, and enhance code quality
Implement secure coding practices aligned with industry standards (e.g., OWASP), including input validation, authentication/authorization, data protection, and vulnerability mitigation
Ensure applications meet security, compliance, and data protection requirements across all layers of the system
Oversee the ongoing support, performance optimization, and continuous improvement of enterprise applications