Hiring for C++ Developer with Payment

Looking for a workplace where people realize their full potential, are recognized for the impact they make, and enjoy the company of the peers they work with? Welcome to Zensar! Read on for more details on the role and about us.
What's this role about?
Position for C++ Developer”
4 to 8years
Immediate Joiners
Any location:
This is OS Agnostic
C++ fundamentals and memory management:
Multithreading/concurrency:
Payments and transaction lifecycle:
Security/encryption/HSM:
Offline/store-and-forward & resiliency:
Verifone/device integration:
Area
What the candidate should know
Payment domain
POS/card-payment lifecycle, terminal → acquiring/processor → network → issuer, approvals/declines, reversals, settlement basics
Transaction flow
Sale, refund, void, reversal, timeout/retry, duplicate prevention, transaction state
Authorization & routing
Routing based on merchant, tender/card type, network/acquirer, fallback and error handling
Encryption / decryption
Symmetric vs asymmetric crypto, keys, certificates, encryption at rest/in transit, sensitive-data handling
HSM – Hardware Security Module
HSM purpose, secure key storage/operations, PIN/key concepts, rotation, preferably experience integrating an HSM
Offline transactions
Store-and-forward, persistence, recovery after restart, retry controls, duplicates, risk
Verifone devices
Practical terminal/device integration, SDK/API exposure, device communication, error/status handling
C++ pointers
pointers/references, ownership, stack/heap, RAII, smart pointers, memory safety
Multithreading
threads, mutexes, condition variables, race conditions, deadlocks, atomics, thread safety
OOPS Concepts
Should know OOPS concepts, classes, objects, etc
Must have skills:- C++ Developer with Payment domain
Experience: 4 to 14years
Location: Bangalore/Pune/Hyderabad/Chennai/Kolkata
Notice Period: Immediate joiners are highly appreciated. and max 15days notice only
Please share the details as below
Experience:
C.CTC:
E.CTC:
Notice Period:
Work Location:
Please share us the updated resume
chandrasekhar.bala@zensar.com
Advantage Zensar
We are a digital solutions and technology services company that partners with global organizations across industries to achieve digital transformation. With a strong track record of innovation, investment in digital solutions, and commitment to client success, at Zensar, you can help clients achieve new thresholds of performance. A subsidiary of RPG Group, Zensar has its HQ in India, and offices across the world, including Mexico, South Africa, UK and USA.
Zensar is all about celebrating individuality, creativity, innovation, and flexibility. We hire based on values, talent, and the potential necessary to fill a given job profile, irrespective of nationality, sexuality, race, color, and creed. We also put in policies to empower this assorted talent pool with the right environment for growth.
At Zensar, you Grow, Own, Achieve, Learn.
Learn more about our culture: https://www.zensar.com/careers/who-we-are
Ready to #ExperienceZensar?
Begin your application by clicking on the ‘Apply Online’ button below.
Be sure to have your resume handy!
If you’re having trouble applying, drop a line to careers@zensar.com.
chandrasekhar.bala@zensar.com
Thanks and Regards.
Chandra

Skills
C++

Experience
4-14 yrs

Work arrangement
Yes