Senior Full Stack Engineer

What You Will Do

• Application Development
• Lead design, development, and delivery of full stack features across frontend and backend layers
• Build responsive, accessible UI components using modern frameworks (React, Next.js)
• Develop and maintain RESTful APIs and microservices using Node.js / NestJS
• Collaborate with UX/UI designers to implement pixel-perfect, user-centric interfaces
• Drive code reviews, enforce engineering standards, and contribute to technical documentation
• AWS QuickSight & Analytics
• Architect and develop embedded analytics dashboards using AWS QuickSight
• Design and build analytics-specific data models — including aggregated views, calculated fields, and purpose-built schemas — to unlock deeper business insights beyond operational data structures
• Integrate QuickSight with data sources such as Amazon RDS, Redshift, Athena, and S3
• Automate report generation and snapshot workflows via the QuickSight API

Collaboration & Communication

• Work closely with BAs and product owners to translate requirements into technical specs
• Contribute to sprint planning, estimation, and agile ceremonies
• Mentor junior engineers and promote best practices across the team

Who You Are (Basic Qualifications)

• Frontend
• 5+ years of experience with React.js and modern JavaScript/TypeScript
• Proficiency with Next.js, component libraries (shadcn/ui, MUI etc ), and CSS frameworks
• Strong understanding of state management, accessibility, and performance optimization
• Backend & Database
• 5+ years of experience building server-side applications with Node.js or similar backend frameworks
• Hands-on experience with NestJS or Express.js for REST API development
• Deep expertise with PostgreSQL — including schema design, query optimization, indexing strategies, and migrations
• Proficiency with a TypeScript-based ORM such as TypeORM or Prisma, including entity modeling and relation management
• Experience with authentication/authorization patterns (JWT, OAuth 2.0, HMAC, API keys)
• AWS & Cloud
• 3+ years of hands-on AWS experience across core services (EC2, RDS, S3, Lambda, IAM, Cognito)
• Demonstrated experience with AWS QuickSight — including embedded analytics, datasets, and RLS
• Familiarity with Terraform for infrastructure management

What Will Put You Ahead

• Next.js
• Advanced Next.js experience including App Router, server components, Proficiency with Next.js middleware, route handlers, and API layer patterns for multi-tenant SaaS applications
• Experience optimizing Next.js application performance — code splitting, lazy loading, and edge rendering strategies
• NestJS
• Hands-on NestJS experience including modular architecture, dependency injection, guards, interceptors, and pipes
• Experience building multi-tenant NestJS backends with role-based access control (RBAC)
• Familiarity with NestJS microservices patterns and integration with messaging systems (SQS, RabbitMQ)
• PostgreSQL
• Advanced PostgreSQL skills including window functions, CTEs, materialized views, partitioning, and JSONB operations
• Experience designing multi-tenant database schemas with row-level security (RLS) and tenant-scoped indexing strategies
• Experience with PostgreSQL performance tuning — query planning (EXPLAIN ANALYZE), index optimization, and connection pooling
• Prisma for entity modeling, migrations, and relation management in TypeScript projects
• AWS QuickSight
• Proven experience embedding QuickSight dashboards in multi-tenant SaaS applications using namespace isolation and RLS
• Experience with QuickSight API automation for programmatic dashboard creation, snapshot scheduling, and user provisioning
• Understanding of QuickSight ML Insights features such as anomaly detection, forecasting, and narrative auto-generation

Pay & Benefits

$145k-$180k per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions.

Our Benefits

• Medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance.

Equal Opportunities Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please click here for additional information.