Senior Software Engineer (Backend) at Planstin

St. George, Utah, United States -

Full Time

Start Date

Immediate

Expiry Date

29 May, 26

Salary

160000.0

Posted On

28 Feb, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Node.js, TypeScript, Nest.js, React, AWS, AWS CDK, Lambda, S3, RDS, EventBridge, ECS/Fargate, PostgreSQL, SQL, Schema Design, System Architecture, Debugging

Industry

Business Consulting and Services

Description

About the role We are looking for a Senior Software Engineer (Backend) to help build out the next generation of the Planstin Membership Platform—a complex system that spans membership management, pricing engines, CRM integrations, ETL pipelines, and an evolving AWS-based microservice architecture. In this role, you’ll work directly with the founder/architect who built the current system, take ownership, anticipate problems before they surface, and propose thoughtful solutions. The right engineer must be comfortable adapting their plan when the business direction shifts. This is not a narrow feature-factory role. We need someone who can see the whole system, understand how the parts interact, and help push the architecture forward. **This position is based in St. George Utah but we'll consider full time remote and out of state for the right candidate. What you'll do Backend (Primary) A large Nest.js backend powering: Distributed services deployed with AWS CDK (Lambda, RDS, S3, EventBridge, ECS/Fargate, etc.) Frontend React SPA for internal and external membership tools Admin dashboards, configuration UIs, step-based workflows, and data visualization Integration with partner systems DevOps / Infrastructure AWS CDK (TypeScript) for infrastructure automation CI/CD optimization Observability, error handling, and performance tuning Data & Domain Work 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 Additional tasks will include 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 Qualifications 6+ years professional experience building production systems Deep experience with: Node.js / TypeScript Nest.js (or equivalent DI-based frameworks) React AWS (Lambda, S3, RDS, IAM, EventBridge, API Gateway) AWS CDK (TypeScript) Relational databases (PostgreSQL strongly preferred) 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 Planstin's Employee Benefits: $140,000-$160,000 base salary DOE 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.

Responsibilities

The engineer will primarily focus on backend development using Nest.js, building distributed services deployed on AWS, and integrating with frontend React components for membership tools. Responsibilities also include refining relational schemas, optimizing ETL pipelines, and contributing to DevOps/Infrastructure automation using AWS CDK.