Senior Base24 Software Engineer

ACI Worldwide

Senior Software Engineer designing and developing BASE24 applications for the payments ecosystem in India. Collaborating with cross-functional teams and mentoring junior staff on software development best practices.

Posted 5/29/2026full-timeBangalore • 🇮🇳 IndiaSeniorWebsite

About the role

Key responsibilities & impact

Responsible for designing, developing, testing, and delivering high quality software/solutions.
Strong experience in Base24 Classic (must-have)
Pure developer profile preferred (not project-heavy/customer-facing)
The role is focused on internal product development (ACI platform) and not customer-facing
Analyzes Network specifications / BRD and prepare and review HLD/LLD.
Provide estimates for team based on Product supplied Business Requirements.
Evaluate code to ensure it is valid, meets industry standards and is compatible with devices and/or operating systems
Validate/review of source code and schedules to ensure on timely and quality deliverable.
Active participation in mentoring junior staff while also growing abilities and domain knowledge with active participation with senior staff.
Strong understanding of Tandem based BASE24 Switch application.
Knowledge of Issuer and Acquirer channels interface with BASE24 (like ATM, POS and Interchange Interfaces like Visa, MasterCard, AMEX, etc.)
Experience of testing BASE24 applications using ASSET simulators.
Understanding of Mandates/Specifications from MasterCard/visa etc. for BASE24.
Independently designs, develops, tests, and delivers high quality software/solutions. Provides direct estimates, such as time, percentage of project completion, etc. to lead and/or manager.
Research and resolves reported BASE24 problems efficiently and accurately while adhering to internal software management standards and procedures.
Coordinates the technical work of a small project team. Plans and schedules tasks for projects and individuals.
Maintains detail knowledge of software, underlying network and system software, and dependencies.
Perform other duties as assigned.
Understand and adhere to all corporate policies to include but not limited to the ACI Code of Business Conduct and Ethics.
Should be excellent in communication, a team player and flexible to work in multi time-zone environments.

Requirements

What you’ll need

Bachelor’s degree in Computer Science, Information Systems, or any equivalent degree.
10+ years relevant experience.
BASE24 domain knowledge
XPNET
ATM/POS
ATM config files
Interchange interface
ISO8583
EMV/Contactless
Excellent knowledge on BASE24 Classic configuration and development skills.
HP Non-stop Skills.
TACL
TAL
Enscribe/DDL
Tools like FUP, SCUP, INSPECT, Pathway, SCF
Working experience on project Implementation in a bank or processor environment using Base24 Knowledge of transaction.

Benefits

Comp & perks

Opportunities for growth
Career development
Competitive compensation and benefits package
Innovative and collaborative work environment

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Base24 ClassicTandemATMPOSISO8583EMVContactlessTACLTALEnscribe

Soft Skills

communicationteam playermentoringflexibilityproblem-solvingplanningschedulinganalysiscollaborationattention to detail