Full Stack Developer – API Integrations Focus

Who We Are
At ThrivePass, we’re on a mission to help employees and businesses Thrive—because benefits should be more than just checkboxes. Through personalized benefits technology, data-driven insights, and meaningful experiences, we empower companies to support their teams in ways that truly matter.

We don’t just talk about culture—we build it. Everything we do is rooted in our CARE values:
  • Courageous – We embrace new challenges and fresh ideas.
  • Authentic – We show up as our true selves and value transparency.
  • Resourceful – We find creative solutions and make things happen.
  • Excellent – We hold ourselves accountable and take pride in our work.
At ThrivePass, performance isn’t just about hitting goals—it’s about how you show up. We invest in our employees’ growth and encourage bold thinking, collaboration, and continuous learning. Join us in shaping the future of employee benefits!
What You’ll Do
As a Full Stack Developer, you will play a key role in developing and maintaining cutting-edge applications, with a strong focus on integrating third-party APIs and building scalable, normalized data models. You’ll collaborate closely with cross-functional teams to deliver high-quality solutions and mentor others in best practices for integration architecture.

You Will:

•Deliver high-quality software solutions aligned with quarterly Big 3 goals.  

• Collaborate with product managers, designers, and other developers to understand requirements, provide technical feedback, and ensure successful delivery of features.  

• Design and build connectors/integrations for SaaS platforms, field-specific APIs, and proprietary vendor APIs.  

• Analyze, understand, and map complex, heterogeneous third-party APIs into normalized data models.

• Develop and maintain robust .NET-based web applications using C#, Angular, SQL, and other modern technologies.  

• Develop and maintain data transformation and normalization pipelines that abstract away vendor-specific differences.  

• Handle authentication and authorization flows across diverse providers (OAuth2, API keys, SAML, custom flows).  

• Build resilient integration patterns that gracefully handle API inconsistencies, rate limits, and error behaviors.  

• Collaborate with product teams to design consistent, unified API schemas that scale across multiple providers.  

• Establish strong testing, monitoring, and logging frameworks for integration reliability.  

• Mentor and guide engineers in best practices for integration architecture and abstraction design.  

• Provide technical support during development, testing, and production stages.  

• Develop unit and integration tests to ensure the stability and reliability of the application.  

• Debug and resolve application issues in a timely manner.  

• Explore, evaluate, and adopt new technologies to improve development efficiency.

What You Bring

We’re looking for someone who is passionate about building scalable, thoughtful integrations and collaborating in a growing engineering team.

Must Haves

• 4+ years of backend engineering experience, with significant time spent in API-heavy environments.  

• Proven ability to reverse-engineer poorly documented APIs, understand complex JSON/XML payloads, and resolve mapping challenges.  

• Deep experience with API normalization, data modeling, and abstraction design.  

• Expertise in REST, GraphQL, and event-driven integrations.  

• Strong knowledge of integration middleware, API gateways, and webhooks.  

• Familiarity with async processing, queuing systems, and retry strategies.  

• 3+ years of experience in .NET web development.  

• Expertise in C#, Angular 6+, SQL, HTML, CSS, and Entity Framework.  

• Strong understanding of OOP concepts, SDLC, and MVC design patterns.  

• Experience with .NET Core, LINQ, and writing unit test cases.  

• Knowledge of data structures and algorithms.  

• Hands-on experience with tools like Visual Studio, SQL Server, Git, and project management tools like JIRA.  

• Strong analytical, logical, and problem-solving skills.  

• Excellent written and verbal communication skills.  

• Passion for learning and working with new technologies.  

• Ability to transition between tasks and handle multiple projects effectively.

Nice to Have  

• Experience working at or integrating with unified API platforms.  

• Familiarity with domain-specific APIs (e.g., PRISM, HRIS, ATS, CRM, Healthcare   APIs).  

• Knowledge of schema evolution strategies, versioning, and API governance.  

• Background in ETL/data pipelines or interoperability standards (e.g., OpenAPI, JSON Schema).  

• Familiarity with Agile/Scrum methodologies.  

• Knowledge of LESS, SASS, and modern front-end frameworks like Vue.js.  

• Experience with performance monitoring tools like Application Insights.  

• Understanding of security best practices in web development.  

• Familiarity with RESTful APIs, Azure services (Azure Functions, Azure DevOps).  

• Proficiency in Angular 10+, Material Design framework, and TypeScript (ES6+ with ngrx)

Portfolio Link
To be considered for the position, please include your portfolio link in the email when submitting your application.
Why You'll Love Working Here
We're an inclusive and welcoming environment for all. ThrivePass is committed to fostering a workplace where everyone feels valued and respected. We do not and shall not discriminate based on race, color, religion (creed), gender, gender expression, age, national origin (ancestry), disability, marital status, sexual orientation, or military status in any of our activities or operations.
  • A culture that values courageousness, authenticity, resourcefulness, and excellence (we don’t just say it—we live it).
  • Opportunities to grow, learn, and level up your skills.
  • A team that genuinely enjoys working together and celebrating wins.
  • Competitive benefits package because we believe in walking the talk when it comes to employee well-being.
Salary Offered
A competitive salary package and a collaborative work environment.
Join Us!
If this role sounds like your next great adventure, we’d love to hear from you. Apply today and let’s build something amazing together! 🚀