Sr Developer

Welch Packaging; Elkhart (IN); On-site; USD 80,000 - 120,000; Full time

Job summary

Welch Packaging in Elkhart, Indiana, seeks a Senior Developer to design and support enterprise applications that enhance operational efficiency across its 30+ manufacturing sites. This hands-on full stack position requires extensive experience in backend services, database design, and modern frontend frameworks. The ideal candidate will have a Bachelor’s degree in computer science and at least 5 years of application development experience, including strong skills in C# and MSSQL. Opportunities for mentoring junior developers are also part of the role.

Qualifications

• 5+ years of application development experience in a business environment.
• Strong experience with database design.
• Proven experience as a full stack developer across backend and frontend technologies.

Responsibilities

• Design, develop, and maintain business-critical applications.
• Translate business requirements into scalable technical solutions.
• Mentor junior developers and provide guidance on best practices.

Skills

MSSQL

C#

Azure PaaS services

Application development frameworks

Full stack development

Test-Driven Development (TDD)

Education

Bachelor’s degree in computer science or related field

Tools

Azure SQL

TypeScript

Vue

Blazor

Job description

The Senior Developer plays a key role in designing, enhancing, and supporting enterprise applications that serve a network of 30+ manufacturing and distribution business units. This position operates within a centralized IT shared services model, partnering with cross-functional stakeholders to deliver scalable, reliable solutions that improve operational efficiency. The role is a hands‑on full stack position spanning backend services, database design, and modern front‑end applications.

Key Responsibilities

• Design, develop, and maintain business‑critical applications that support multiple manufacturing sites and business units.
• Translate business requirements into practical, scalable technical solutions with a focus on usability and long‑term sustainability.
• Lead development efforts across modern application stacks, ensuring performance, reliability, and maintainability.
• Contribute to and uphold best practices in distributed application design, code quality, and testing (including TDD).
• Act as a senior resource for application architecture, code quality, and development standards.
• Partner with operations, supply chain, finance, and plant leadership to understand workflows and identify opportunities for system improvements.
• Support integration between ERP systems, shop floor systems, and other enterprise platforms.
• Troubleshoot and resolve application issues, ensuring minimal disruption to business operations.
• Contribute to prioritization and roadmap planning within a shared services IT model supporting multiple stakeholders.
• Mentor junior developers and provide guidance on best practices, documentation, and problem‑solving approaches.
• Participate in system upgrades, enhancements, and continuous improvement initiatives.

Requirements / Qualifications

Education: Bachelor’s degree in computer science, Information Systems, or related field (or equivalent experience). Equivalent work experience or relevant certifications may be considered in lieu of degree.

Experience: 5+ years of application development experience in a business environment.

• Strong experience with MSSQL and database design.
• C# and modern application development framework.
• Azure PaaS services, including Functions and SQL Azure.
• Rust/Go/Angular/React preferred but not required.
• Strong understanding of application design, data structures, and system integration concepts.
• Proven experience as a full stack developer across backend (C#, APIs, data) and frontend (TypeScript, Vue/Blazor) technologies.
• Hands‑on experience with Test‑Driven Development (TDD) and structured testing practices.