Senior Software Engineer

APCO Holdings, LLC$100K — $130K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science or related field (or equivalent experience)
  • 3-7 years of experience with .NET technologies
  • Proficient in C#, ASP.NET Core, ASP.NET MVC, .NET Web API, and SQL Server
  • Familiar with front-end technologies: JavaScript, HTML, CSS, and Vue.js
  • Experience with Azure DevOps and Microsoft Azure services
  • Strong analytical, problem-solving, and communication skills

Responsibilities

  • Design and develop scalable applications using .NET technologies
  • Build full-stack applications with Vue.js and related web technologies
  • Create cloud-based solutions leveraging Microsoft Azure services
  • Optimize SQL Server databases for performance
  • Collaborate with teams to gather requirements and deliver solutions
  • Participate in architecture discussions and technical planning
  • Mentor junior engineers and promote engineering best practices

Benefits

  • Comprehensive medical, dental, and vision benefits
  • 401(k) with company match
  • Paid time off and company holidays
  • Opportunities for professional growth and technical development
  • Collaborative and engineering-focused environment
Full Job Description
We are looking for a Senior Software Engineer to help design, build, and modernize enterprise applications that support critical business operations and customer experiences. In this role, you will contribute across the full software development lifecycle, building scalable applications, mentoring engineers, and helping drive engineering best practices across the organization.

What You'll Do

Software Development & Architecture
  • Design, develop, and maintain scalable applications using C#, ASP.NET Core, ASP.NET MVC, .NET Web API, and related technologies
  • Build and enhance full-stack applications using Vue.js, JavaScript, HTML, and CSS
  • Develop cloud-based solutions leveraging Microsoft Azure services including Azure Functions, Azure SQL, and Azure DevOps
  • Work with SQL Server databases, including query optimization and performance tuning
  • Ensure applications are secure, scalable, reliable, and maintainable

Engineering Collaboration & Support
  • Collaborate with product, business, infrastructure, and support teams to gather requirements and deliver solutions
  • Participate in architecture discussions, technical planning, and solution design
  • Support troubleshooting, debugging, and optimization of existing systems
  • Assist customer support and operational teams with issue resolution and root cause analysis

Quality & Engineering Excellence
  • Develop and maintain unit tests following modern testing and development best practices
  • Participate in code reviews and promote engineering standards and best practices
  • Mentor junior engineers and contribute to team knowledge sharing and technical growth
  • Support Agile and DevOps development methodologies to improve delivery efficiency


What Makes You Successful

You'll be successful in this role if you're a strong full-stack engineer who enjoys solving complex technical challenges and building scalable, high-quality applications. You're comfortable working across both modern and legacy technologies while helping drive continuous improvement and modernization efforts.

You're also collaborative and proactive, able to communicate effectively with both technical and non-technical stakeholders while balancing multiple priorities in a fast-paced environment.

Basic Qualifications

  • Bachelor's degree in Computer Science, Information Systems, or a related technical field (or equivalent experience)
  • 3+ years of experience developing software with .NET technologies (7+ years preferred)
  • Experience with C#, ASP.NET Core, ASP.NET MVC, .NET Web API, and SQL Server
  • Experience with front-end web technologies including JavaScript, HTML, CSS, and Vue.js
  • Experience with Azure DevOps and Microsoft Azure services
  • Strong analytical, problem-solving, and communication skills


Preferred Qualifications

  • Experience building cloud-native applications in Azure
  • Experience with DevOps, CI/CD pipelines, and Agile development methodologies
  • Experience modernizing legacy applications and improving application scalability
  • Experience mentoring junior developers or leading technical initiatives
  • Experience with unit testing and test-driven development (TDD) practices


This Role Might Be a Great Fit If You...

  • Enjoy building modern applications and solving complex technical problems
  • Like working across both front-end and back-end technologies
  • Thrive in collaborative engineering environments
  • Are motivated by continuous learning, modernization, and technical improvement


What We Offer

  • Competitive compensation
  • Comprehensive medical, dental, and vision benefits
  • 401(k) with company match
  • Paid time off and company holidays
  • Opportunities for professional growth and technical development
  • A collaborative and engineering-focused environment


Similar Jobs

More Jobs at APCO Holdings, LLC

More Information Technology Jobs

Find similar Senior Software Engineer jobs: