Senior Full Stack Engineer

Senior Full Stack Engineer

GCH Tech is seeking an experienced Senior Full Stack Engineer to take technical ownership of key platform capabilities on our short code registry. The ideal candidate brings deep expertise across frontend and backend technologies, strong PostgreSQL and ORM proficiency, and a demonstrated track record with AWS QuickSight for embedded analytics. In this senior role, you will drive architecture decisions, lead feature development end-to-end, and serve as a technical mentor to the broader engineering team.

GCH Tech operates one of the industry's leading short code registry platforms, serving as the authoritative system of record for SMS short code management across U.S. carriers. Our platform supports the full lifecycle of short code provisioning serving thousands of customers. As the registry backbone for regulated telecommunications messaging, GCH Tech sits at the intersection of compliance, carrier coordination, and high-availability SaaS infrastructure.

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
• Manage QuickSight datasets, analyses, and SPICE capacity for optimal performance
• 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

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

General

• Demonstrated ability to lead technical initiatives, make architecture decisions, and mentor other engineers
• Experience working in Agile/Scrum teams with tools like Jira / Confluence / Bitbucket
• Strong written and verbal communication skills; ability to work with non-technical stakeholders
• BS in Computer Science, Engineering, or equivalent practical experience

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

Node.js

• Deep understanding of Node.js runtime internals
• Experience building high-throughput, production-grade Node.js services with robust error handling and observability
• Familiarity with Node.js package ecosystems and best practices for dependency management and security hardening

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
• Proficiency with PostgreSQL performance tuning — query planning (EXPLAIN ANALYZE), index optimization, and connection pooling
• Hands-on experience with 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
• Ability to design and build analytics-specific data models — including aggregated datasets, calculated fields, and SPICE-optimized schemas
• Experience integrating QuickSight with diverse AWS data sources including RDS, Redshift, Athena, and S3-backed data lakes
• Familiarity 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

General

• Experience with multi-tenant SaaS architecture and tenant isolation patterns
• Prior experience in telecommunications, short code, or regulated industry platforms

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

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.

Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.