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As400 Programmer Jobs in Boston, MA (NOW HIRING)

Java Full Stack Developer

Boston, MA · On-site

$57 - $73.50/hr

Required Skill and Experience • Java, Springboot, Microservices. • AS400Devops Preferred Skill and Experience Roles and Responsibilities: • development and support experience on Java ...

... AS400 and Microsoft Office Suite. • Excellent written and verbal communication skills. • Strong analytical and creative problem-solving abilities. • Ability to manage multiple priorities and ...

Application Programming * Design Experience * Responsible for assisting design, development, and implementation of enterprise wide iSeries system layers and AS400 applications and their associated ...

As400 Programmer information

See Boston, MA salary details

$107.6K

$111.4K

$114.1K

How much do as400 programmer jobs pay per year?

As of Aug 9, 2026, the average yearly pay for as400 programmer in Boston, MA is $111,356.00, according to ZipRecruiter salary data. Most workers in this role earn between $109,700.00 and $113,000.00 per year, depending on experience, location, and employer.

What is an AS/400 programmer?

AS400 Programmers are IT professionals who specialize in developing, maintaining, and supporting software applications on the IBM AS/400 (now IBM i) platform. They use programming languages like RPG, COBOL, and CL to write and troubleshoot code for business applications, often in industries such as finance, manufacturing, and logistics. Their work involves analyzing user requirements, designing solutions, and ensuring the stability and efficiency of AS400-based systems.

What are the key skills and qualifications needed to thrive as an AS/400 programmer?

To thrive as an AS400 Programmer, you need strong programming skills in RPG, COBOL, or CL, along with a solid understanding of IBM iSeries/AS400 systems and a relevant computer science degree or equivalent experience. Familiarity with tools such as IBM i Navigator, Query/400, and version control systems, as well as experience with database management (DB2), is typically required. Attention to detail, problem-solving abilities, and effective communication skills help you excel in troubleshooting and collaborating with business users. These competencies are essential for maintaining legacy systems, ensuring data integrity, and supporting critical business operations.

What are some common challenges faced by AS/400 programmers when maintaining legacy systems?

AS400 Programmers often encounter challenges such as integrating legacy IBM i systems with modern applications, troubleshooting undocumented or outdated code, and ensuring continued security compliance. Collaboration with business users and IT teams is essential to understand evolving requirements and minimize disruptions during updates or migrations. Staying current with both legacy and new technologies helps programmers bridge the gap between old systems and today’s business needs.
What job categories do people searching As400 Programmer jobs in Boston, MA look for? The top searched job categories for As400 Programmer jobs in Boston, MA are:
Infographic showing various As400 Programmer job openings in Boston, MA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $111,356 per year, or $53.5 per hour.

Senior RPG Programmer/Analyst (Synon) - Remote

Fresche Solutions

Franklin, MA • Remote

Other

Posted 11 days ago


Job description

At Fresche Solutions, we offer great work-life balance with flexible hours. You can work anywhere in North America… either from your home or in one of our offices… the decision is up to you.  

WHY JOIN FRESCHE? We believe in leading our industry, we believe in innovation, we believe in delighting our customers, guaranteeing their success, and ensuring that 100% of our customers are referenceable.

Our distinct company culture makes us a top employer, as well a premiere choice for our customers for the last eleven (11) consecutive years. We work hard to ensure that our values permeate the company and are reflected in everything we do. Whether it be in setting priorities, defining ideas, or carrying out processes, we are committed to ensuring that our values are manifested at all levels of our organization.

What You Will Be Doing

As a Senior RPG Programmer/Analyst at Fresche Solutions, you will play a key role in supporting and enhancing business-critical applications running on IBM i / AS400 environments. You will work closely with technical teams, business stakeholders, and project leads to deliver reliable solutions across client systems.

In this role, your primary value is your ability to bring strong hands-on expertise in RPG / RPGLE development, navigate the realities of existing client application environments, and contribute to the maintenance, enhancement, and support of core business applications. You will help analyze requirements, develop solutions, resolve production issues, and ensure applications remain stable, maintainable, and aligned with business needs.

You will primarily work with RPG, RPGLE, CL, IBM i SQL, and Synon2/E (COOL 2/E) across multiple application initiatives and support activities.


In Your Day-to-Day You Will Be Responsible For

  • Design, develop, maintain, and support applications on IBM i / AS400
  • Work primarily with RPG, RPGLE, CL, and IBM i SQL to enhance and support existing enterprise applications
  • Contribute to applications that include Synon2/E (COOL 2/E) components, with the ability to understand, maintain, and modify existing code
  • Analyze business and technical requirements and translate them into effective, practical solutions within a client environment
  • Participate in the full software development lifecycle, including analysis, development, testing, implementation, and post-production support
  • Troubleshoot production issues, perform root cause analysis, and implement sustainable fixes to improve application stability
  • Collaborate with business users, developers, analysts, and support teams across multiple initiatives
  • Support incident, change, and problem management activities in line with established operational processes
  • Contribute to code reviews, technical documentation, and development best practices
  • Help improve the reliability, maintainability, and supportability of core business applications
  • Provide support and guidance to less experienced team members when needed

What You Must Have

  • Strong experience in IBM i / AS400 application development
  • Strong hands-on proficiency with RPG / RPGLE
  • Experience with CL and IBM i SQL
  • Working knowledge of Synon2/E (COOL 2/E)
  • Experience supporting, maintaining, and enhancing client enterprise applications
  • Good understanding of the software development lifecycle, including development, testing, deployment, and support
  • Strong troubleshooting and problem-solving skills, particularly in production support environments
  • Ability to work effectively with both technical teams and business stakeholders
  • Ability to manage priorities across development, maintenance, and support activities
  • Bachelor’s degree in Computer Science, Information Systems, Engineering, IT, or a related field, or equivalent relevant experience


What Would Be Nice for You to Have

  • Experience in the healthcare industry
  • Experience with RxClaim or other PBM adjudication systems
  • Experience leading technical tasks, projects, or mentoring junior developers
  • Exposure to modernization or integration initiatives involving client IBM i applications
  • Familiarity with newer technologies or platforms such as Java, Python, Angular, AWS, Azure, or GCP

We are proud to be an equal opportunity employer and are committed to fostering a diverse and inclusive workplace. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

WHAT’S IT LIKE TO WORK AT FRESCHE? 

Visit our Website and Apply Today: https://freschesolutions.com/careers/

FOLLOW US ON:  LinkedInhttps://www.linkedin.com/company/fresche-solutions

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