About Exponent 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!   Key statistics: - 1,100+ Team members - 950+ Consultants - 640+ Ph.D.s - 90+ Disciplines - 30+ Offices globally Our Opportunity 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. You will be responsible for 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 You will have the following skills and qualifications 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 Life @ Exponent To learn more about life at Exponent and our impact, please visit the following links:https://www.exponent.com/careers/life-exponent https://www.exponent.com/company/our-impact We value and encourage diversity, equity and inclusion across all facets of our firm. Having a team built of people with different backgrounds, skills and perspectives allows us to provide better value to our clients and enjoy an enriched work environment. Our firm is committed to offering a variety of programs and resources to support health and well-being. We believe that providing competitive benefits, as well as compensation and recognition programs, empowers our staff to do work that makes a difference. Work Environment At Exponent, we have found that in-person interactions deepen employee engagement and are crucial for development, for realizing the full potential of our talented and diverse teams, and for​ building a more inclusive workplace where all have a sense of belonging. In our offices, you can expect a supportive culture and a collaborative, dynamic, multi-disciplinary work environment. Compensation The pay rate for this position is dependent on experience and capabilities which will be assessed during the interview process. Salary Range USD $135,000.00 - USD $180,000.00 /Yr. Benefits you will enjoy Access benefits information on our Life @ Exponent page:https://www.exponent.com/careers/life-exponent Exponent is a proud equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, veteran status, disability, sexual orientation, gender identity, or any other protected status. If you need assistance or accommodation due to a disability, you may email us at HR-Accommodations@exponent.com. Job Locations US-AZ-Phoenix US-GA-Atlanta US-TX-Austin US-WA-Bellevue US-NY-New York US-CA-Oakland US-CA-Pasadena US-PA-Philadelphia US-MD-Bowie US-MA-Burlington US-IL-Chicago ...

• Lead the design and architecture of complex, large-scale cloud services that form the backbone of our multi-cloud and hybrid data management platform • Develop and implement core components, tackling challenges in areas like data governance, security, and distributed systems • Drive technical innovation by prototyping and evaluating new technologies, cloud-native solutions to solve complex customer problems • Mentor and guide other engineers, fostering a culture of technical excellence, collaboration, and continuous improvement within the team • Collaborate with product managers, and other engineering teams to design solutions and architecture to deliver high-quality, scalable, and resilient solutions

Summary: As a Senior Full Stack Engineer at Topstep, you’ll play a key role in building the distributed systems that power our trader experience. You’ll help define and evolve the architecture that serves as the backbone of our payments and purchasing platform, ensuring reliability, scalability, and clarity as our ecosystem grows. You’ll work primarily in TypeScript and React, building cloud-native applications that support high-throughput, low-latency workloads. In addition to shipping features, you’ll influence coding standards and engineering patterns adopted across teams, and help ensure the platform scales safely as usage and complexity increase. This role is ideal for someone who wants to contribute to key systems in our ecosystem, delivering elegant solutions that scale with intention. Join us and help shape what engineering excellence looks like at Topstep. Key Responsibilities - Design, build, and operate cloud-native applications with an emphasis on reliability, safe deployments, and operational simplicity. - Embed automated testing, observability, and operational ownership into every stage of feature delivery. - Proactively identify and resolve issues, helping ensure our platform remains stable, performant, and ready to grow. - Collaborate with product engineering teams to champion event-driven best practices and deliver scalable, resilient solutions. Required Qualifications and Key Competencies - 5+ years of experience building and operating production-grade systems with user-facing APIs, with demonstrated impact on scalability and reliability. - A solid full-stack foundation, with strength in backend API design (TypeScript, GraphQL, REST) and modern frontend development (React, Next.js, TypeScript). - Deep expertise in designing and operating scalable, distributed systems, including event-driven architectures, message queues, eventual consistency, and race condition handling, with a strong focus on performance, security, and maintainability. - Strong database fundamentals, including experience with PostgreSQL or SQL Server—schema design, migrations, indexing, and query optimization. - Excellent communication skills, with the ability to distill complex technical concepts for a range of audiences. - A production mindset and bias toward action—embracing metrics, logging, tracing, on-call participation, and end-to-end ownership of delivery. Company Culture & Perks - Topstep is an engaging working environment that ranges from fully remote to hybrid. We foster a culture of collaboration by keeping cameras on during meetings and maintaining a robust Slack environment for communication. - 7 Company-paid Holidays and generous Family Leave. Paid time off is front-loaded. - Competitive 401(k) matching, health, dental, and vision insurance are offered for full-time employees. - Vacations are encouraged with a bonus for taking 5 consecutive days. Topstep offers a food and groceries budget and contributes towards health and wellness. New Hire Base Salary Range - $157,000 - $193,000 annually. - Bonus: This position is eligible for a performance-based bonus as provided by the plan terms and governing documents. - The compensation offered will take into account the internal compensation structure and may vary depending on the candidate's geographic region, job-related knowledge, skills, and experience, among other factors. Equal Opportunity Employer Topstep is an Equal Opportunity Employer. We are committed to fostering an inclusive environment where all employees and applicants are valued. All qualified candidates will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, age, disability, or veteran status, in compliance with applicable federal, state, and local laws. Interested in the role? Apply today with your resume!

• Define and champion architectural best practices, helping teams design services that are modular, maintainable, and aligned with long-term business needs. • Lead the transition from monoliths to distributed systems, ensuring scalability, resilience, and long-term maintainability. • Shape the technical roadmap, working with engineering leaders to drive key decisions around service design, data flow, and system interactions. • Dive deep into technical challenges, collaborating with engineers to solve complex problems and ensure high-quality implementations. • Mentor and influence engineers, fostering a culture of strong engineering fundamentals, service ownership, and thoughtful system design. • Collaborate across teams to ensure our architecture supports business needs without unnecessary complexity.