Sr. Software Engineer
First seen by Alion on Aug 28, 2026. WellSky scores A on the Alion truth index.
At WellSky, we are building impactful software solutions that prioritize end-user efficiency and shape the future of healthcare. Because we operate across multiple business units and product lines, our engineering teams tackle a diverse range of exciting challenges - from modernizing complex legacy applications to building brand-new, AI-native platforms.
We are looking for passionate problem-solvers to join us as Senior Software Engineers. Whether your expertise lies in distributed backend systems, modern frontend frameworks, or cloud infrastructure, you'll find opportunities here to make a massive impact.
Key Responsibilities:
Lead & Innovate: Design complex, scalable, and maintainable software features across various architectures (including microservices, DDD/CQRS, and event-driven systems).
Collaborate: Work closely with solution managers, designers, and peers to translate requirements into technical specifications that align with our mission.
Optimize Performance: Analyze technical challenges, identify system bottlenecks, and author technical documentation to optimize large-scale transactional processing.
Elevate Code Quality: Facilitate code reviews, advocate for rigorous testing methodologies (unit, integration, end-to-end), and champion modern development best practices.
Embrace AI: Leverage AI tools and platforms (like developer copilots) as an integral part of your daily workflow to enhance decision-making, code quality, and productivity.
Required Qualifications:
Bachelor’s degree in a related field, or equivalent work experience.
At least 4-6 years of relevant software engineering experience.
Preferred Qualifications:
We operate across a wide variety of tech stacks to solve complex problems. You do NOT need experience with all of these to be a great fit. If you are highly skilled in a few of these areas and have a strong foundation in software engineering, our recruiting team will work with you to find the WellSky team that best aligns with your background!
Backend: .NET/C#, Python (Django/Flask), Java, or Ruby.
Frontend: Modern JavaScript/TypeScript, React, Angular, or Vue.
Cloud & Infrastructure: GCP (preferred), AWS, Azure, Terraform, Docker, and Kubernetes/Helm.
Architecture & Data: RESTful/GraphQL APIs, event-driven messaging (Kafka/RabbitMQ/PubSub), and relational/cloud databases (PostgreSQL, SQL Server, BigQuery).
AI Tools: Experience or strong interest in using AI-assisted development tools (e.g., Claude Code).
Domain Knowledge: Healthcare tech interoperability (FHIR, HL7, HIPAA, EMR), medical claims, or payroll accounting.
Job Expectations:
Willing to work additional or irregular hours as needed
Must work in accordance with applicable security policies and procedures to safeguard company and client information
Must be able to sit and view a computer screen for extended periods of time
WellSky is where independent thinking and collaboration come together to create an authentic culture. We thrive on innovation, inclusiveness, and cohesive perspectives. At WellSky you can make a difference.
Here are some of the exciting benefits full-time teammates are eligible to receive at WellSky:
- Excellent medical with Rx, dental, and vision benefits
- Mental Health support through EAP
- Generous paid time off, plus 13 paid holidays
- 100% vested 401(K) retirement plans
- Educational assistance up to $2500 per year
WellSky provides equal employment opportunities to all people without regard to race, color, national origin, ancestry, citizenship, age, religion, gender, sex, sexual orientation, gender identity, gender expression, marital status, pregnancy, physical or mental disability, protected medical condition, genetic information, military service, veteran status, or any other status or characteristic protected by law. WellSky is proud to be a drug-free workplace.
Applicants for U.S.-based positions with WellSky must be legally authorized to work in the United States. Verification of employment eligibility will be required at the time of hire. Certain client-facing positions may be required to comply with applicable requirements, such as immunizations and occupational health mandates.