Senior Software Engineer - Multi-Platform & API Integrations

Socket.dev; United States; Remote; USD 90,000 - 150,000; Full time

Job summary

Grimco is seeking a Senior Developer to build and maintain business applications across a multi-platform stack. You will design integrations with internal and external systems, APIs, and data pipelines, applying modern practices and clean code principles.

The role emphasizes contributing to architecture, modernization efforts, and collaboration with IT, PM, QA, and business stakeholders. You will also learn and expand RPG applications within a broader development role, ensuring secure, scalable

Qualifications

• 5+ years of professional software development experience.
• Ability to learn unfamiliar languages, frameworks, or platforms.
• Strong SQL and relational database skills; data modeling understanding.
• Experience building integrations between systems using APIs, file-based exchanges, ERP connectivity.
• Comfortable reading and improving legacy code with confidence.
• Clear communication to explain technical decisions to non-technical stakeholders.
• Security awareness integrated into development practices.

Responsibilities

• Build and maintain business application features across a multi-platform 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.
• Serve as a technical resource on complex projects, guiding design decisions and delivery.
• Identify opportunities to modernize and improve existing systems.
• Collaborate with IT, PM, QA, and business stakeholders to deliver well-scoped, documented solutions.
• Learn, maintain, and expand RPG applications as part of a broader development role.

Skills

SQL

APIs

Legacy code

Communication

Security awareness

Tools

IBM Power Systems

ERP platforms

EDI/X12

Azure/AWS

Job description

Grimco is seeking a Senior Developer to build and maintain business applications across a multi-platform stack. You will design integrations with internal and external systems, APIs, and data pipelines, applying modern practices and clean code principles.

The role emphasizes contributing to architecture, modernization efforts, and collaboration with IT, PM, QA, and business stakeholders. You will also learn and expand RPG applications within a broader development role, ensuring secure, scalable