Skills Required
- B.E., B.Tech, MCA, or equivalent degree in Computer Science, IT, Electronics, or a related field
- Strong Java 8 or later development skills, including collections, concurrency, exception handling, and JVM fundamentals
- Deep knowledge of symmetric cryptography, including AES, GCM, CBC, CTR, and nonce or IV misuse consequences
- Knowledge of RSA OAEP/PSS, ECC, ECDSA, ECDH, Ed25519, and X25519
- Knowledge of hashing, HMAC, HKDF, PBKDF2, secure random generation, authenticated encryption, and key management
- Knowledge of X.509, certificate lifecycle management, and trust-chain validation
- Knowledge of TLS 1.2/1.3, mTLS, handshakes, cipher suites, and session resumption
- Knowledge of JWT, JWS, JWE, OAuth2, CMS, and PKCS#7 signature formats
- Hands-on experience with JCA/JCE and Bouncy Castle using vetted cryptographic libraries
- Experience building reusable Java libraries or SDKs with Maven or Gradle
- Experience with Git, CI/CD, JUnit, and Mockito
- Understanding of secure coding practices, OWASP Top 10, constant-time comparison, safe error handling, and secrets management
- Understanding of threat modeling and trust boundaries
- Android development experience with Android Keystore, secure storage, and AAR packaging
- HSM experience with PKCS#11 and key management systems
- Payments, banking, or fintech security experience, including PCI DSS, RBI guidelines, or ISO 27001
- Knowledge of OpenSSL, Tomcat, or Bouncy Castle JSSE
- Familiarity with SAST/DAST tools, Kotlin, Spring Boot, or Docker
- Security certifications or open-source contributions
What We Do
NPCI is an umbrella organisation for all retail payment systems in India. It was set up with the support & guidance from Reserve Bank of India (RBI) & Indian Banks Association (IBA). A registered company under Section 8 of the Companies Act, 2013. Watch the NPCI Corporate AV - https://youtu.be/RGl9YQ6CB20 Products & Services Unified Payments Interface Unique payment solution which empowers a recipient to initiate the payment request from a smartphone. It facilitates 'virtual payment address' as a payment identifier for sending & collecting money & works on single click 2 factor authentication. Immediate Payment Service A 24X7, real time, cost effective, independent channel, retail payment service, introduced by NPCI, empowering customers to transfer money instantly with banks & RBI authorised PPIs across India. RuPay Robust card scheme designed to offer payment products with superior features & processes specifically designed to cater to diverse consumer needs. *99# USSD based mobile banking platform that makes banking services accessible to all the bank account holders on their mobile phones. National Automated Clearing House Centralised payment system developed with an aim to consolidate multiple ECS systems running across the country & provide a framework for the removal of local barriers/inhibitors. Aadhaar Enabled Payment System Bank led model which allows online financial inclusion transactions at micro-ATMs through the business correspondent of any bank using the Aadhaar authentication. e-KYC Electronic way of conducting authentic & real time KYC of a customer using Aadhaar authentication. Cheque Truncation System Electronic image of the cheque is transmitted to the drawee bank by the clearing house, along with relevant information. National Financial Switch Facilitates routing of ATM transactions through inter-connectivity between its member institutions thereby enabling the citizens of the country to utilise any ATM of a connected entity






