Senior Developer

• Build and maintain business application features across a multi-platform technology stack.
• Design and implement integrations between internal systems, external partners, APIs, and data pipelines.
• Apply modern development practices - clean code, modular design, SQL-first data access, and structured testing - regardless of the language or environment.
• Serve as a technical resource on complex projects, contributing to design decisions and seeing work through to delivery.
• Identify and follow through on opportunities to modernize and improve existing systems.
• Collaborate with IT, project management, QA, and business stakeholders to deliver well-scoped, well-documented solutions.
• Learn, maintain, and expand RPG applications as part of a broader development role. _Work Authorization: Candidates must be authorized to work in the

• 5+ years of professional software development experience.

• Demonstrated ability to learn and work in unfamiliar languages, frameworks, or platforms.

• Strong SQL and relational database skills - you write efficient queries and understand data modeling.

• Experience building integrations between systems - APIs, file-based exchanges, ERP connectivity, or similar.

• Comfortable working with legacy code you didn’t write - reading, understanding, and improving it with confidence.

• Clear communication skills - you can explain technical decisions to non-technical stakeholders without losing the important detail.

• Security awareness baked into how you work, not treated as an afterthought.

Preferred Qualifications

• Background in distribution, warehousing, manufacturing, or order management systems.
• Experience with ERP platforms - custom-built or mid-market.
• Exposure to EDI or data interchange - X12 transaction sets, flat file automation, trading partner integrations.
• Cloud integration experience - REST/JSON APIs, Azure, AWS, or similar.
• Familiarity with IBM Power Systems or other enterprise backend platforms.
• RPG or IBM i development experience, or a demonstrated interest in the platform.

• Full medical, dental, and vision benefits available. Premiums have remained unchanged for more than 16 years.
• Paid Maternity/Paternity Leave.
• Paid Holidays.
• Paid Time Off Accrual (Paid Time Off payout available).
• 401K with Profit Sharing, up to 6% of the employee’s total compensation earnings.
• Employee Referral Benefits.
• Volunteer Time Off.

Grimco is a national wholesale sign supply manufacturer and distributor with over 65 locations across North America and the United Kingdom. Founded over 150 years ago and still family-owned, we focus on delivering quality products and outstanding service to the sign industry. Our platform has powered the business for decades - and continues to evolve.