Software Engineer I (Mainframe) at Concentrix
Concentrix is a global technology and services leader that powers the brands of the future across more than 70 countries. As an intelligent transformation partner, Concentrix integrates digital engineering, human-centered design, and advanced data analytics to deliver market-leading tech-powered experiences.
Role Overview
Company Overview
Concentrix is a global technology and services leader that powers the brands of the future across more than 70 countries. As an intelligent transformation partner, Concentrix integrates digital engineering, human-centered design, and advanced data analytics to deliver market-leading tech-powered experiences.
Role Description
As a Software Engineer I (Mainframe) within the Concentrix Technical Products and Services team, you will be responsible for designing, developing, and deploying mainframe enhancements and projects. You will write efficient COBOL programs, manage DB2 database interactions, and support key mainframe technologies like VSAM and IBM JCL.
Candidate Guidelines
Candidates applying for this role should possess strong foundational knowledge in Mainframe development, DB2 database operations, and JCL utilities, along with a passion for building reliable enterprise solutions.
Eligibility Criteria & Qualifications
- Bachelor's degree in Computer Science, Information Technology, or a related technical discipline.
- Experience or hands-on training in COBOL development and database programming with DB2.
- Familiarity with core mainframe components such as VSAM, IBM JCL, and system utilities.
Key Responsibilities
Application Development & Feature Delivery
- •Design, develop, and successfully deploy mainframe enhancements and technical projects.
System Integration & Data Flow
- •Write, test, and maintain COBOL programs that interact with and update DB2 databases.
Testing, Quality & Collaboration
- •Provide maintenance and operational support for core mainframe technologies including VSAM, IBM JCL, and utilities.
Required Skills & Technologies
How to Apply
Submit your application directly through Concentrix's verified careers portal.
Review the published role requirements, degree qualifications, and eligible graduation batches above.
Ensure your resume highlights relevant projects and contains working GitHub repository links.
Click the official application button below to open Concentrix's direct careers page.
Complete and submit your application directly on the employer's portal.
You will be directed to Concentrix's official careers portal. Career Insights does not process applications or charge any candidate fees.
The specifications above are verified official details published by Concentrix. Candidates should verify all final terms, deadlines, and eligibility directly on Concentrix's official careers portal before submitting an application.
Recommended Preparation
Independent editorial guidance based on the published role information.
What to Prepare
Evaluate your technical background against published criteria and key preparation focus areas.
B.E / B.Tech / MCA / B.Sc
Hiring evaluations prioritize demonstrable problem-solving, domain competence, and practical project evidence over specific degree pedigree.
Proficiency in relational databases, SQL queries, and data extraction.
Master complex SQL operations: Window functions (ROW_NUMBER, RANK, DENSE_RANK), CTEs, multi-table JOINs, and query execution plan analysis.
Data cleaning, transformation, and reporting dashboards.
Be prepared to clean messy datasets using Python (Pandas/NumPy) or Excel, identify statistical outliers, and explain KPI metric definitions.
Basic understanding of data storage, serialization, and persistence.
Be prepared to explain relational normalization (1NF-3NF), indexing trade-offs, foreign key constraints, and transactional consistency.
Familiarity with Git branching, pull requests, and collaborative repository management.
Review Git branch workflows, pull request code reviews, and maintain clean commit history with descriptive messages.
Onsite (Hyderabad, Telangana, India) operational structure.
Highlight proactive written communication, technical documentation discipline, and the ability to troubleshoot errors systematically before escalating.
Technical Topics
Depending on the hiring team’s evaluation style, technical assessments for this role typically cover these core areas:
Topic 1: Core Fundamentals & Problem Solving
- Time and space complexity analysis (Big-O)
- Arrays, Strings, HashMaps, and two-pointer algorithms
- Idiomatic syntax and core library methods in your primary programming language
Topic 2: Role-Specific Technical Concepts
- Language memory models, object-oriented design, API communication
- Database querying and schema relationships (JOINs, indexes, constraints)
- HTTP request/response lifecycles, status codes, and JSON serialization
Topic 3: Hands-on Practical Coding or Take-Home Evaluation
- Writing clean, maintainable, and modular code
- Defensive input validation and error handling (try/catch, status codes)
- Writing unit test assertions to verify correct behavior
Topic 4: Project Walkthrough & Architecture Discussion
- Deep dive into a standout project from your resume
- Architectural design trade-offs and component boundaries
- A specific technical bug or scalability challenge and how you resolved it
Topic 5: Collaboration, Behavioral & Culture Alignment
- Clear, proactive communication style
- Receiving and acting upon constructive code review feedback
- Self-directed learning and debugging discipline
* Note: These are independent Career Insights editorial recommendations to help candidates structure their study plan. They do not represent guaranteed interview stages or official hiring mandates from Concentrix.
Practical Project
Practice the stack by building a small production-style application that demonstrates the role's core development requirements.
Customer Cohort Retention & Churn Analyzer
A SQL-driven analytics project that calculates monthly cohort retention, customer lifetime value, and churn indicators from raw transaction tables.
Advanced SQL (Window Functions, CTEs), Data Modeling, Business Intelligence Visualization, Statistical Analysis
Include database schema diagrams, reproducible sample data generation scripts, and screenshots of key cohort insights charts.
Query optimization techniques for large event tables and how you accounted for edge cases like returning inactive users.
Career Insights recommendation: This project is an independent editorial recommendation designed to help candidates build verifiable portfolio evidence. It is not required or sponsored by Concentrix.
Before You Apply
Review and verify these items to ensure your application materials are structured and complete.
Ensure your resume clearly highlights hands-on projects involving COBOL, DB2, VSAM. Include verified, publicly accessible GitHub repository links with clean README files.
Confirm that your graduation year (2025 - 2026 Batch), educational background, and location match the employer's published requirements before applying.
Have 1–2 key projects prepared for technical discussion. Be ready to explain your database schema choices, API contracts, error boundaries, and design trade-offs.
Submit your application directly through Concentrix's official careers portal using the verified apply link below. Career Insights does not process applications or charge any candidate fees.
Career Growth Context
Editorial analysis of how this role contributes to software engineering progression and technical ownership.
Ramp-up & Tech Stack Orientation
Deepening familiarity with the team’s architecture, continuous integration pipelines, and coding conventions.
Core Module Ownership
Building, testing, and shipping modular features that directly support application scalability and user requirements.
System Design & Code Quality
Contributing to architectural trade-off discussions, improving database query efficiency, and mentoring junior teammates.
Progression Toward SDE-II / Senior Scope
Transitioning toward broader system ownership, service reliability leadership, and cross-functional technical delivery.
This page provides verified job details sourced from Concentrix's recruitment announcement, alongside independent preparation roadmaps authored by the Career Insights editorial team. Career Insights is not affiliated with Concentrix and does not collect candidate data or charge application fees.
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