Planstin · 11 hours ago
Senior Full Stack Engineer
St George, UT
Full-time
Hybrid
Senior Level
$140K/yr - $160K/yr
6+ years expPlanstin is at the forefront of benefits administration and business services, seeking a Senior Full Stack Engineer to build the next generation of their Membership Platform. The role involves working on a complex system that includes membership management and AWS-based microservice architecture, requiring a proactive approach to problem-solving and system architecture.
ConsultingHealth CareHuman ResourcesProfessional ServicesTraining
Responsibilities
A large Nest.js backend powering:
Distributed services deployed with AWS CDK (Lambda, RDS, S3, EventBridge, ECS/Fargate, etc.)
React SPA for internal and external membership tools
Admin dashboards, configuration UIs, step-based workflows, and data visualization
Integration with partner systems
AWS CDK (TypeScript) for infrastructure automation
CI/CD optimization
Observability, error handling, and performance tuning
Implementing and refining a high-complexity relational schema
Helping convert messy real-world data into stable, normalized structures
Identifying inconsistencies in business rules — and proposing solutions
Spot architectural risks early
Suggest simplifications and abstractions
Build tooling when manual work becomes repetitive
Improve reliability of pipelines ingesting external data
Question things that “don’t smell right”
Understand the why behind every model, process, or mapping
Ask great questions
Provide options, not just code
Qualification
Required
6+ years professional experience building production systems
Deep experience with Node.js / TypeScript
Deep experience with Nest.js (or equivalent DI-based frameworks)
Deep experience with React
Deep experience with AWS (Lambda, S3, RDS, IAM, EventBridge, API Gateway)
Deep experience with AWS CDK (TypeScript)
Deep experience with relational databases (PostgreSQL strongly preferred)
Deep experience with SQL, migrations, schema design, performance tuning
Strong grasp of system architecture and distributed workflows
Ability to reverse-engineer complex datasets and design clear abstractions
Comfortable reading messy real-world data and making sense of it
Very strong debugging and production-troubleshooting skill
Writes clean, maintainable, well-structured code
Proactively identifies problems and proposes solutions
Comfortable shifting direction when priorities change
Benefits
12 paid holidays plus 3 weeks of paid time off to balance work and life.
Comprehensive insurance coverage including health, dental, vision, and accident plans tailored for your well-being.
Discounted membership to Zion HealthShare.
Free membership for you and your dependents to Primestin Care Clinic.
Invest in your future with a 401k plan backed by a solid 4% match from us.
Free snacks and regular lunches available onsite.
Company
Planstin
We are a unique third-party- administrator that creates and administers group health plans.
51-200 employees
Funding
Current Stage
Growth StageLeadership Team
Brett Harrison
Chief Financial Officer
Company data provided by crunchbase