Question
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Junior Back-End Developer (NestJS / TypeScript)

3/6/2026

The Junior Back-end Developer will be responsible for building and maintaining backend services, focusing on developing REST and RPC endpoints using Node.js, TypeScript, and NestJS, alongside implementing database operations with PostgreSQL and TypeORM. Key duties also involve writing and maintaining unit and integration tests, debugging issues across environments, and collaborating with cross-functional engineering teams.

Salary

70000 - 90000 USD

Working Hours

40 hours/week

Company Size

51-200 employees

Language

English

Visa Sponsorship

No

About The Company
Hyper is redefining how mission-critical infrastructure gets built. Through HyperSpace, we connect underutilized U.S.-based manufacturing capacity with hyperscale and AI infrastructure operators, enabling faster delivery, greater flexibility, and purpose-built equipment designed for today’s high-density workloads. We work closely with customers and manufacturing partners from design through delivery, removing friction, solving real production challenges, and helping scale infrastructure to meet accelerating AI demand.
About the Role

Description

The Junior Back-end Developer at Hyper Solutions supports the development and maintenance of backend services for Hyper’s software platforms and internal systems. This role focuses on API development, database operations, testing, and production support while working under the mentorship of senior engineers.


The ideal candidate has strong programming fundamentals and a desire to grow their skills in modern backend development using Node.js, TypeScript, and microservices architecture. This role offers hands-on experience building scalable applications used by internal teams and customers across Hyper’s technology platforms.


Core Responsibilities

  • Build and maintain REST and RPC backend endpoints using Node.js, TypeScript, and NestJS.
  • Implement DTO validation, structured error handling, and clean service-layer logic.
  • Work with PostgreSQL and TypeORM for database queries, schema updates, and data integrity.
  • Write and maintain unit and integration tests to ensure system reliability.
  • Debug and resolve issues across development, staging, and production environments.
  • Collaborate with frontend developers, QA engineers, and DevOps teams during feature delivery.

Additional Responsibilities

  • Participate in code reviews and technical discussions with senior engineers.
  • Follow coding standards, linting requirements, and documentation practices.
  • Support ongoing improvements to backend performance and maintainability.
  • Assist with troubleshooting production issues and documenting debugging steps.

What Success Looks Like (First 3 Months)

  • Delivers small-to-medium backend endpoints with supervision
  • Writes reliable tests for new features and services
  • Participates actively in code reviews and technical discussions
  • Troubleshoots bugs with clear debugging notes
  • Improves code quality and documentation within assigned areas

Requirements

  • 0–2 years of backend development experience (internships or projects acceptable).
  • Strong fundamentals in JavaScript and TypeScript.
  • Basic knowledge of Node.js, HTTP, and REST APIs.
  • Understanding of SQL database concepts, including joins, indexing, constraints, and transactions.
  • Familiarity with Git workflows, including pull requests, branching, and code reviews.

Preferred Qualifications

  • Direct experience with NestJS.
  • Experience with TypeORM or similar ORM frameworks.
  • Exposure to Redis or caching strategies.
  • Familiarity with message queues or microservices architectures.
  • Experience with testing frameworks such as Vitest or Jest.
  • Familiarity with Swagger or OpenAPI documentation tools.
  • Interest in writing clean, maintainable, and self-documenting code.

Soft Skills

  • Strong communication skills and willingness to ask questions.
  • Ownership and accountability for assigned work.
  • Learning mindset and openness to feedback.
  • Ability to break down tasks and estimate effort.
  • Collaborative approach to working with engineering teams.

Why Hyper?

At Hyper, you’ll help build the software systems that support next-generation infrastructure solutions used in mission-critical environments. Our development team works with modern technologies and focuses on scalable architecture, strong engineering practices, and continuous learning.


In addition to competitive compensation and comprehensive benefits, including employer-paid medical, dental, and vision coverage and a 401(k) with company match—Hyper offers clear opportunities for professional growth and mentorship as the company continues to scale its technology platforms.


Location

Remote or Onsite in Richmond, VA, depending on candidate location and business needs. 


Compensation

The anticipated starting salary range for this role is 70,000-90,000 per year. Actual salary varies due to factors that may include but not limited to relevant experience, skills, certifications and location. This hire will be eligible for a discretionary bonus or incentive compensation. Variable compensation may depend on various factors, such as individual and organizational performance.


Hyper Solutions is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate based on race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), national origin, age, disability, genetic information, veteran status, or any other protected status under applicable laws.


All applications will be used exclusively for selection purposes and handled confidentially by authorized personnel only. Your application may also be considered for other suitable positions within Hyper Solutions, Inc.


#Hyper


Key Skills
NestJSTypeScriptNode.jsPostgreSQLTypeORMREST APIsRPC EndpointsUnit TestingIntegration TestingDTO ValidationMicroservicesGitVitestJestSwaggerOpenAPI
Categories
SoftwareEngineeringTechnologyData & Analytics
Benefits
Medical InsuranceDental InsuranceVision Coverage401k With Company Match
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