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As400 Developer Jobs in Texas (NOW HIRING)

Tata Consultancy Services

Mainframe Developer

Plano, TX · On-site

$47.25 - $60.75/hr

Tata Consultancy Services is seeking a skilled Mainframe and AS400 Developer to design, develop, maintain, and support enterprise applications on mainframe and IBM AS400/iSeries platforms. The role ...

Incorporan Inc

Guidewire Engineer

San Antonio, TX · On-site

AS400 Developer Location: San Antonio, TX - Day 1 Onsite Duration: Long term Project VISA: Any visa is fine Must have skills: • Strong knowledge of Guidewire InsuranceSuite (PolicyCenter ...

Stevenstransport

IT Senior Developer

Dallas, TX

$54 - $71.25/hr

Working closely with other developers under the guidance of our IT Director, the purpose of this ... AS400 * RPGLE, RPG Free * RDi * SQL * DB2 * Trouble shooting * Design * Project Management Work ...

Atria Group LLC

Informatica Developer

Addison, TX

$51.50 - $67.75/hr

Pluses are people with telephony experience, AS400, and leadership experience. Keywords for the Left Hand Side / or Target to source Developers: ETL, INFORMATICA, "Source-to-Target" , Mapping ...

ettain group

iSeries Developer

Houston, TX

Qualifications Job Requirements Must be strong with RPG programming Must have experience with IBM AS/400 Must be strong with SQL Nice to have experience with DB2 Job Key Words AS400, RPG, SQL, DB2 ...

ettain group

iSeries Developer

Houston, TX · On-site

Company Description • Work for a great company that is an engineering, construction, technical ... • AS400, RPG, SQL, DB2 Additional Information Please send your application online under ...

Stevens Transport

IT Senior Developer

Dallas, TX · On-site

$54 - $71.25/hr

Stevens Transport is seeking an IT Senior Developer responsible for the ongoing development and ... years of AS400 development experience Preferred : • Transportation industry experience • ...

Stevens Transport

Senior Data Engineer

Dallas, TX

$104K - $142K/yr

Design and implement integration strategies for legacy systems (e.g., AS400) into modern data ... Partner with BI developers, analysts, IT, and business leaders to define data requirements * Serve ...

Stevenstransport

Senior Data Engineer

Dallas, TX

$104K - $142K/yr

Design and implement integration strategies for legacy systems (e.g., AS400) into modern data ... Partner with BI developers, analysts, IT, and business leaders to define data requirements * Serve ...

Avani Technology Solutions, Inc.

Sr Developer

Dallas, TX · On-site

- * ONSITE, remote not available. * 9+ years of IT and business/industry work experience, with at least 5 years developing hands on TIBCO BW 5.x/EMS/Administrator and TIBCO AS400 adapters, TIBCO file and ...

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How much do as400 developer jobs pay per hour?

As of Jul 15, 2026, the average hourly pay for as400 developer in Texas is $51.15, according to ZipRecruiter salary data. Most workers in this role earn between $46.83 and $54.42 per hour, depending on experience, location, and employer.

What does a typical day look like for an AS400 Developer?

A typical day for an AS400 Developer involves writing, testing, and troubleshooting code in RPG, COBOL, or CL for business-critical applications running on IBM iSeries systems. Developers often work closely with business analysts, system administrators, and other IT professionals to gather requirements, implement system enhancements, and ensure data integrity within DB2 databases. Daily tasks may also include resolving production issues, performing regular maintenance, and participating in code reviews or deployment planning. Collaborative work and clear communication are common, as developers typically play an integral role in supporting both legacy and modernized business processes.

What is an AS400 developer?

An AS400 developer is a software professional who specializes in creating, maintaining, and modifying applications on the IBM iSeries (AS/400) platform. They typically work with languages like RPG, COBOL, and CL programming, and may also handle database management and system integration tasks within a mainframe or enterprise environment.

What are the key skills and qualifications needed to thrive in the As400 Developer position, and why are they important?

To thrive as an AS400 Developer, you need strong skills in RPG, COBOL, or CL programming languages, knowledge of IBM iSeries/AS400 systems, and typically a degree in computer science or related field. Familiarity with DB2 databases, SQL, and tools like Turnover or Aldon for change management and version control is highly valued, and certifications in IBM technologies are beneficial. Strong problem-solving abilities, attention to detail, and effective communication help developers collaborate with cross-functional teams and resolve technical issues efficiently. These competencies ensure reliable business application support, seamless integration with enterprise systems, and success in maintaining legacy environments.

What coding language does AS400 use?

AS400, now known as IBM i, primarily uses the RPG (Report Program Generator) language for application development. It also supports COBOL, CL (Control Language), and SQL for database management and scripting tasks, making it a versatile environment for developers working on enterprise systems.

What is an AS400 Developer job?

An AS400 Developer is responsible for designing, developing, and maintaining applications on IBM's AS400 (now IBM i) platform. They typically use programming languages like RPG, CL, and SQL to create and manage business applications. Their role involves debugging programs, optimizing performance, and ensuring software meets business requirements. AS400 Developers often collaborate with IT teams to integrate AS400 systems with modern applications.

How much does an AS400 developer make in the US?

An AS400 developer in the US typically earns between $70,000 and $110,000 annually, depending on experience, location, and certifications. Skilled developers with expertise in RPG, CL, and IBM i environments tend to command higher salaries, especially in industries relying heavily on legacy systems.

Is AS400 still used?

AS400, also known as IBM iSeries, is still used in many organizations for legacy business applications, especially in industries like finance and manufacturing. AS400 developers maintain and update these systems, often working with tools like RPG and CL, and the platform continues to receive updates and support from IBM.
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As400 Developer jobs near you
Infographic showing various As400 Developer job openings in Texas as of July 2026, with employment types broken down into 79% Full Time, and 21% Contract. Highlights an 100% In-person job distribution, with an average salary of $106,394 per year, or $51.2 per hour.
Mainframe Developer

Mainframe Developer

Tata Consultancy Services

Plano, TX • On-site

$47.25 - $60.75/hr

Full-time

Posted 28 days ago

Tata Consultancy Services rating

6.5

Company rating: 6.5 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

159th of 210 rated it services

Job description

Job Summary:
Tata Consultancy Services is seeking a skilled Mainframe and AS400 Developer to design, develop, maintain, and support enterprise applications on mainframe and IBM AS400/iSeries platforms. The role involves developing applications, troubleshooting production issues, and collaborating with various teams to support business-critical systems.
Responsibilities:
• Develop, enhance, and maintain applications on mainframe and AS400 (preferred) environments.
• Write and support programs using COBOL, JCL, DB2, CL, RPG, and related tools.
• Analyze business requirements and translate them into technical solutions.
• Perform debugging, testing, and production support for existing systems.
• Work with batch jobs, file processing, and data integration processes.
• Collaborate with business analysts, testers, and infrastructure teams.
• Support system upgrades, performance tuning, and incident resolution.
• Document technical designs, code changes, and support procedures.
Qualifications:
Required:
• Strong hands-on experience with mainframe technologies.
• Proficiency in COBOL, JCL, DB2, and VSAM.
• Knowledge of batch processing, job scheduling, and file transfer processes.
• Strong troubleshooting and problem-solving skills.
• Ability to work in production support and development environments.
• Good communication and teamwork skills.
• BACHELOR OF COMPUTER SCIENCE
Preferred:
• Experience with IBM AS400/iSeries technologies preferred.
Company:
Tata Consultancy Services is a business solutions company that specializes on information technology services and consulting. It is a sub-organization of Tata Group. Founded in 1968, the company is headquartered in Mumbai, IND, with a team of 10001+ employees. The company is currently Late Stage.

What Tata Consultancy Services employees say

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About Tata Consultancy Services

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Tata Consultancy Services is an IT services, consulting and business solutions organization that delivers real results to global business, ensuring a level of certainty no other firm can match. TCS offers a consulting-led, integrated portfolio of IT, BPO, infrastructure, engineering, and assurance services. This is delivered through its unique Global Network Delivery Model™, recognized as the benchmark of excellence in software development. TCS delivers a level of certainty that no other firm can match--to our clients and to our employees. Come join us and experience certainty in your career. TCS a global Consulting and IT Services firm that is ranked in the top quartile by industry analysts. Our 2021 fiscal revenues topped $25 B and our market capitalization is over $170+B, yet we have a deep and large history of philanthropy and corporate social responsibility. Now approaching 600K of the best IT professionals and consultants, we are a trusted advisor, guiding our clients' enterprises through growth and transformation journeys - helping them to become agile, intelligent, automated and on the cloud. We are devoted to DEI and are recognized as a top employer and place to work.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Edison, NJ, US

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