IBMi Applications Architect

Programmers.io; United States; Remote; USD 140,000 - 180,000; Full time

Job summary

Programmers.io is seeking an IBMi Applications Architect to define architecture and technical solutions for IBM i applications. The role involves designing scalable, secure, and maintainable solutions using RPGLE, RPG IV, CLLE, SQL, and DB2 for i.

You will lead modernization, migration, and integration initiatives, providing technical leadership and architectural guidance to development teams while establishing coding standards and best practices.

Qualifications

• Bachelor's degree or equivalent in CS/IT or related field.
• 8+ years of experience architecting IBM i/AS400 applications.
• Strong hands-on experience with RPGLE/RPG IV, CLLE, SQL, and DB2 for i.
• Experience with REST APIs, web services, and integration technologies.

Responsibilities

• Define application architecture and technical solutions for IBM i applications.
• Design scalable, secure, and maintainable solutions using RPGLE, RPG IV, CLLE, SQL, and DB2 for i.
• Lead modernization, migration, and integration initiatives.
• Provide technical leadership and architectural guidance to development teams.
• Establish coding standards and architecture principles.

Skills

IBM i architecture

RPGLE/RPG IV

CLLE

SQL

DB2 for i

REST APIs

Software design

Technical leadership

Education

Bachelor's degree in Computer Science/IT

Tools

Git

CI/CD

Job description

One of our leading client is looking for IBMi Applications Architect remotely

Key Responsibilities:

• Define application architecture and technical solutions for IBM i applications.
• Design scalable, secure, and maintainable solutions using RPGLE, RPG IV, CLLE, SQL, and DB2 for i.
• Analyze existing legacy applications and develop modernization strategies.
• Lead application development, enhancement, migration, and integration initiatives.
• Design and optimize DB2 for i databases, SQL queries, stored procedures, and data models.
• Integrate IBM i applications with APIs, web applications, cloud platforms, and third-party systems.
• Provide technical leadership and architectural guidance to development teams.
• Establish coding standards, development practices, and application architecture principles.
• Conduct code reviews, performance analysis, troubleshooting, and root-cause analysis.
• Work with business analysts and stakeholders to translate business requirements into technical solutions.
• Develop technical documentation, architecture diagrams, and solution designs.
• Evaluate new technologies and recommend appropriate modernization approaches.
• Ensure applications meet security, availability, scalability, and performance requirements.
• Mentor IBM i developers and support knowledge transfer across the team.

Required Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• 8+ years of experience developing and architecting IBM i/AS400 applications.
• Strong hands‑on experience with RPGLE/RPG IV, CLLE, SQL, and DB2 for i.
• Experience with IBM i architecture, system integration, and application lifecycle management.
• Strong knowledge of database design, performance tuning, and SQL optimization.Experience with REST APIs, web services, and integration technologies.
• Experience with source control, CI/CD, and modern software development practices.
• Strong analytical, problem‑solving, communication, and technical leadership skills.

Preferred Skills:

• IBM i modernization and legacy application transformation.
• Free‑form RPG and modern RPGLE development.
• IBM i services and SQL‑based system interfaces.
• RESTful APIs and JSON/XML integration.
• Git and CI/CD pipelines.
• IBM i security, performance tuning, and high availability.
• Experience working in Agile/Scrum environments.