Senior .NET Developer (Billing Platform)

Vaco; Orlando (FL); On-site; Full time

Job summary

A technology solution provider is looking for a developer in Orlando, Florida, with strong expertise in .NET/C#. The role involves building and scaling backend services for a billing/claims platform, ensuring high-quality code through test automation. The ideal candidate is proactive, has strong problem-solving skills, and a continuous improvement mindset. This position offers competitive compensation, including discretionary bonuses and benefits.

Qualifications

• Strong experience with .NET / C#.
• Experience with MS SQL Server.
• Background developing service-based / API-driven applications.
• Familiarity with Microservices architecture.
• Unit testing and test automation knowledge.

Responsibilities

• Contribute to the development of a billing/claims platform.
• Build and scale backend services and enterprise applications.
• Ensure code quality through test automation.

Skills

Strong problem-solving skills

Ownership mindset over applications and systems

Focus on building high-quality solutions

Continuous improvement mindset

Tools

.NET / C#

MS SQL Server

ASP.NET Core

Entity Framework / EF Core

REST APIs

Angular

React

OAuth / JWT

RabbitMQ

Job description

Role Overview

• Contribute to development of a billing/claims platform supporting high-volume transactional systems
• Build and scale backend services and enterprise applications
• Improve and evolve existing systems and architecture
• Design scalable, maintainable, and extensible solutions
• Participate across the full SDLC, including design, development, testing, and deployment
• Collaborate cross-functionally to translate business requirements into technical solutions
• Ensure code quality through test automation
• Work on complex domain-driven problems and system integrations

Technical Requirements

• Strong experience with .NET / C#
• Experience with MS SQL Server and relational databases
• Background developing service-based / API-driven applications
• Experience with ASP.NET Core
• Familiarity with Entity Framework / EF Core
• API development tools:
  • REST APIs, Swagger, Postman
• Frontend (SPA frameworks):
  • Angular or React
  • TypeScript, Node.js, Webpack
  • Authentication: OAuth / JWT
• Architecture & Systems:
  • Microservices architecture
  • Distributed systems
  • High-volume, event-driven / queued workflows
  • Messaging tools (e.g., RabbitMQ)
• Testing:
  • Unit testing / test automation

Key Traits

• Strong problem-solving skills
• Ownership mindset over applications and systems
• Focus on building high-quality, scalable solutions
• Continuous improvement mindset

Compensation

Determining compensation for this role (and others) at Vaco/Highspring depends upon a wide array of factors including but not limited to the individual's skill sets, experience and training, licensure and certifications, office location and other geographic considerations, as well as other business and organizational needs. With that said, as required by local law in geographies that require salary range disclosure, Vaco/Highspring notes the salary range for the role is noted in this job posting. The individual may also be eligible for discretionary bonuses, and can participate in medical, dental, and vision benefits as well as the company's 401(k) retirement plan.

Additional disclaimer: unless otherwise noted in the job description, the position Vaco/Highspring is filing for is occupied. By submitting to this position, you are agreeing to be included in our talent pool for future hiring for similarly qualified positions.

EEO Notice

Vaco by Highspring is an Equal Opportunity Employer and does not discriminate against any employee or applicant for employment because of race (including but not limited to traits historically associated with race such as hair texture and hair style), color, sex (includes pregnancy or related conditions), religion or creed, national origin, citizenship, age, disability, status as a veteran, union membership, ethnicity, gender, gender identity, gender expression, sexual orientation, marital status, political affiliation, or any other protected characteristics as required by federal, state or local law.

Vaco by Highspring and its parents, affiliates, and subsidiaries are committed to the full inclusion of all qualified individuals. As part of this commitment, Vaco by Highspring and its parents, affiliates, and subsidiaries will ensure that persons with disabilities are provided reasonable accommodations. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact [e-mail] .

Vaco by Highspring also wants all applicants to know their rights that workplace discrimination is illegal.

By submitting to this position, you agree that you will be giving Vaco by highspring the exclusive right to present you as a candidate for the foregoing employment opportunity. You further agree that you have represented information about yourself accurately and have not affirmatively misrepresented your qualifications. You also agree to maintain as confidential, to the fullest extent permitted by law, any information you learn from Vaco by Highspring about the position and you will limit disclosure of information about the position only to the extent necessary to perform any obligations in furtherance of your application. In exchange, Vaco by Highspring agrees to exercise reasonable efforts to represent you through all solicitation, job screening and resume dispersal.

Privacy Notice

Vaco by Highspring and its parents, affiliates, and subsidiaries ("we," "our," or "Vaco by Highspring") respects your privacy and are committed to providing transparent notice of our policies.

• California residents may access Vaco by Highspring HR Notice at Collection for California Applicants and Employees here.
• Virginia residents may access our state specific policies here.
• Residents of all other states may access our policies here.
• Canadian residents may access our policies in English here and in French here.
• Residents of countries governed by GDPR may access our policies here.

Pay Transparency Notice

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to:

• the individual's skill sets, experience and training;
• licensure and certification requirements;
• office location and other geographic considerations;
• other business and organizational needs.

With that said, as required by local law, Vaco by Highspring believes that the following salary range referenced above reasonably estimates the base compensation for an individual hired into this position in geographies that require salary range disclosure. The individual may also be eligible for discretionary bonuses.