Mid AS400 Developer

Ascendion Engineering; India; Hybrid; INR 800,000 - 1,400,000; Full time

Job summary

Ascendion is hiring an AS/400 + COBOL/400 Developer to support and maintain our core legacy systems in Bangalore. You will diagnose issues, monitor performance, and ensure nightly processing and policy data operations run smoothly.

This hybrid role offers hands-on problem solving, collaboration with users, and opportunities to learn new data and batch processing skills within a Fortune 500 style engineering environment.

Qualifications

• Hands-on experience with AS400 OS, COBOL, DB2 querying, and CL (Command Line).
• Proven ability to diagnose and resolve basic technical and application issues.
• Strong verbal and written communication for user interaction and incident documentation.
• Quick learner with ability to rapidly pick up new systems, batch jobs, and data processes.

Responsibilities

• Diagnose, troubleshoot, and resolve basic application and system issues.
• Monitor application performance using Dynatrace or IBM monitoring tools.
• Manage and monitor WINS, Nightly jobs, and associated Policy Data processing.
• Interact directly with users to provide support and clearly document incidents.
• Identify and spot trends in system errors or data issues to proactively improve system stability.

Skills

AS/400

COBOL

DB2 Querying

CL (Command Line)

Troubleshooting

Communication

Learning Aptitude

Tools

Dynatrace

IBM monitoring tools

Job description

About Ascendion

Ascendion is an AI-native software engineering disruptor helping businesses innovate faster, smarter, and with greater impact. We partner with enterprise clients across North America, the UK, Europe, and APAC to solve complex challenges in data, experience design, software product engineering, and workforce transformation. Powered by expert engineers, thousands of AI agents, and our Engineering to the Power of AI (EngineeringAI) method, we deliver measurable outcomes that build trust, unlock value, and accelerate growth. Learn more at ascendion.com.

Ascendion | Engineering to elevate life

We have a culture built on opportunity, inclusion, and a spirit of partnership. Come, change the world with us:

Build the coolest tech for world’s leading brands

Solve complex problems – and learn new skills

Experience the power of transforming digital engineering for Fortune 500 clients

Master your craft with leading training programs and hands‑on experience

Experience a community of change makers!

Join a culture of high-performing innovators with endless ideas and a passion for tech. Our culture is the fabric of our company, and it is what makes us unique and diverse. The way we share ideas, learning, experiences, successes, and joy allows everyone to be their best at Ascendion.

About the Role:

We are looking for an analytical and communicative professional to support and maintain our core legacy systems. In this role, you will be responsible for troubleshooting application issues, monitoring system performance, and ensuring the smooth execution of nightly processing jobs and policy data operations.

Job Title: AS/400 + COBOL/400 Developer

Key Responsibilities:

• Diagnose, troubleshoot, and resolve basic application and system issues.
• Monitor application performance using tools like Dynatrace or IBM application monitoring tools.
• Manage and monitor WINS, Nightly jobs, and associated Policy Data processing.
• Interact directly with users to provide support and clearly document incidents.
• Identify and spot trends in system errors or data issues to proactively improve system stability.

Minimum Qualifications:

• Technical Proficiency: Hands‑on experience working with an AS400 operating system, COBOL, DB2 Querying, and CL (Command Line).
• Troubleshooting: Proven ability to diagnose and resolve basic technical and application issues.
• Communication: Strong verbal and written communication skills for user interaction and incident documentation.
• Learning Aptitude: Quick learner with the ability to rapidly pick up new systems, batch jobs, and data processes.

Desired Qualifications (Optional):

• Basic DB2 SQL and data analysis skills.
• Prior experience using application performance monitoring tools (e.g., Dynatrace, IBM).
• Previous experience supporting legacy AS400 applications.
• Industry knowledge or experience working within the insurance domain.

Location:

Bangalore (Hybrid – 3 WFO, 2 WFH)

Want to change the world? Let us know.

Tell us about your experiences, education, and ambitions. Bring your knowledge, unique viewpoint, and creativity to the table. Let’s talk!