Develop and maintain software using C#, .NET, web technologies, SQL Server, and AWS. Participate in the full SDLC and Agile Scrum processes, including design, development, unit testing, defect resolution, backlog refinement, and collaboration with product and QA teams. Build solutions using Microsoft-stack technologies, optimize databases and stored procedures, and support cloud-based application delivery.
OneSource Virtual (OSV) has worked exclusively with Workday customers since 2008 to deliver compliant, in-tenant technology and expert services to automate the administrative, transactional tasks of payroll, taxes, earned wage access, accounts payable, and benefits. With over 1,500 customers, 92% retention, and $225+ billion in treasury movement annually, OSV helps organizations maximize their Workday investment and operate it with confidence. Payroll, benefits, and finance solutions — all in one place.
Essential Functions/Duties/Responsibilities
- Work collaboratively with an experienced software development team to design, develop, and maintain high-quality software using C#, .NET Frameworks, and web technologies.
- Participate in the full Software Development Life Cycle (SDLC), ensuring the delivery of high-quality software by following best practices and established processes.
- Collaborate with Product Owners, Business Analysts, Scrum Masters, and other stakeholders to define tasks and schedules that align with project deadlines.
- Create and deliver high-quality software deliverables, conduct unit testing, and work closely with Quality Assurance to address defects throughout the software development life cycle.
- Support the development team through active participation in Agile SCRUM processes, including story creation, backlog refining, and all aspects of Agile software development.
- Utilize your experience with Microsoft SQL Server to write and modify stored procedures, as well as mine data from large data sets to support software requirements.
- Implement software solutions that meet specified requirements using web technologies in the Microsoft stack and deliver them in the Amazon AWS cloud.
Competencies
- Excellent software development background with a strong understanding of C# and .NET Frameworks.
- Thorough understanding of the full Software Development Life Cycle (SDLC).
- Proficiency in Microsoft SQL Server and experience in writing and modifying stored procedures, managing and mining large data sets, and optimizing database performance.
- Superb Excel skills and PC Proficiency (Windows, Outlook, MS Office)
- Strong written and verbal communication skills.
- Exceptional organizational skills and attention to detail.
Supervisory Responsibility
- This role does not have supervisory responsibilities
Qualifications and Experience
- Bachelor’s degree in Computer Science or equivalent experience.
- 7+ years of experience in application development using C#, Visual Studio, and .NET Framework, with proficiency in web technologies such as MVC, WCF/REST, WebAPI, CSS, HTML5, and JQuery or other JavaScript Frameworks.
- 7+ years of experience in Microsoft SQL Server, including Entity Framework and/or LINQ, and expertise in working with complex stored procedures and optimizing database performance.
- 5+ years of experience with REST and JSON.
- 3+ years of experience in Agile, continuous integration, and cloud-based software development.
- Ability to quickly adapt to changing circumstances and new information.
Preferred Skills
- Master’s degree in Computer Science (or experience equivalent)
- Experience with NoSQL or other advanced large data storage technologies.
- Familiarity with Microsoft Azure DevOps.
- Experience with AWS, Lambda, or serverless technologies.
- Understanding of Octopus Deploy setup and configuration.
- Experience working in a distributed team setup, collaborating with development, QA, and support teams.
#LI-REMOTE
You are encouraged to learn and share ideas when you join the OneSource Virtual team. We reward innovative thinking, fresh perspectives, creative collaboration, and hard work. As an organization experiencing routine strategic growth, we are always on the lookout for intelligent, talented, and forward-thinking professionals to join our team. OSV employees enjoy a values-based culture, upward mobility, and professional development with opportunities of all kinds.
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Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.
Key Facts About Seattle Tech
- Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
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- Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute
