Full Stack Engineer

About Ascendion

Ascendion is a full-service digital engineering solutions company. We make and manage software platforms and products that power growth and deliver captivating experiences to consumers and employees. Our engineering, cloud, data, experience design, and talent solution capabilities accelerate transformation and impact for enterprise clients. Headquartered in New Jersey, our workforce of 6,000+ Ascenders delivers solutions from around the globe. Ascendion is built differently to engineer the next.

Ascendion | Engineering to elevate life

We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:

Build innovative technology and infrastructure for the world’s leading brands.

• Solve complex problems and learn new skills.
• Experience the power of transforming digital engineering for Fortune 500 clients.
• Master your craft with best-in-class training programs and hands-on project experience.
• Be part of a community of high-performing innovators with endless ideas and a passion for technology.

Experience a community of change makers!

Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.

About the Role

Job Title - Full Stack AI Engineer

Key Responsibilities

• Design, develop, and maintain an enterprise access-control and permissions platform supporting thousands of users across multiple internal applications.
• Build modern web applications using React, Material UI (MUI), Java, and Spring Boot.
• Develop backend services responsible for managing user permissions, roles, entitlements, and application access.
• Design and maintain centralized authentication services and gateways using JWT/token-based authentication.
• Integrate applications and backend services with Microsoft Entra ID-issued authentication tokens.
• Develop secure, scalable REST APIs consumed by multiple applications and downstream engineering teams.
• Optimize backend queries, caching strategies, and service performance to improve platform responsiveness and operational efficiency.
• Build solutions integrating multiple data technologies, including SQL Server, PostgreSQL, and MongoDB.
• Develop configurable query capabilities that allow applications and users to execute queries across multiple data sources.
• Build automated execution workflows and expose platform functionality through APIs for downstream systems.
• Contribute to AI-assisted access-management solutions that combine policy/rule-based decisioning with machine-learning-driven recommendations.
• Develop and enhance LLM-powered capabilities for analyzing and optimizing queries across platforms such as Azure Data Explorer, Snowflake, and SQL Server.
• Troubleshoot complex issues across frontend applications, backend services, authentication, APIs, and databases.
• Own solutions across the engineering lifecycle, including design, development, testing, deployment, optimization, and production support.

Minimum Qualifications

• Strong hands-on software engineering experience with Java and Spring Boot.
• Strong frontend development experience with React.
• Experience building enterprise-scale full-stack applications.
• Strong experience designing and developing REST APIs and backend services.
• Experience implementing authentication and authorization systems.
• Hands-on knowledge of JWT/token-based authentication.
• Experience integrating applications with Microsoft Entra ID or equivalent enterprise identity platforms.
• Strong SQL development skills and experience with SQL Server and/or PostgreSQL.
• Experience with application and database performance optimization, query tuning, and caching.
• Strong understanding of application security and access-control concepts.
• Ability to independently troubleshoot issues spanning UI, application, API, authentication, and database layers.

Location: Factoria Bellevue, WA

Salary Range: The salary for this position is between $80K–$100K USD annually. Pay within this range may vary based on geography, experience, skills, and applicable qualifications.

Benefits: The Company offers the following benefits for this position, subject to applicable eligibility requirements: [medical insurance] [dental insurance] [vision insurance] [401(k) retirement plan] [long-term disability insurance] [short term disability insurance] [5 personal days accrued each calendar year. The Paid time off benefits meet the paid sick and safe time laws that pertains to the City/ State] [1015 days of paid vacation time] [6 paid holidays and 1 floating holiday per calendar year] [Ascendion Learning Management System]

Want to change the world? Let’s connect.

Tell us about your expertise, experience, and ambitions. Bring your insights, unique perspective, and enthusiasm to build the next generation of data center infrastructure & mdash; together with Ascendion.