Senior Associate Java Developer

Key Responsibilities

• Design and develop Java-based applications, SDKs, libraries, and developer tools for smart card and secure payment platforms.
• Build APIs and frameworks for interaction with Secure Elements, Java Cards, and mobile wallets.
• Develop sample applications, reference implementations, and technical documentation for SDK consumers.
• Implement EMV, GlobalPlatform, and ISO 7816/14443 compliant applications.
• Develop secure and optimized code considering memory and performance constraints.
• Perform applet debugging, testing, and validation using industry-standard tools.
• Manage applet lifecycle (installation, personalization, deletion) using GlobalPlatform.
• Work on secure key management, cryptographic operations, and data protection.
• Collaborate with cross-functional teams including host system, personalization, and certification teams.
• Analyse and resolve issues in card-host interaction and transaction flows.
• Maintain technical documentation and support production deployments. Skills:
• 5+ years’ experience in software development and qualification of Java Card Payment Application
• Prior Experience to developed payment card applet with any SCHEME
• In depth knowledge of EMV standard and global platform standard.
• Programming experience in Java or Python
• Experience developing SDKs, APIs, libraries, or developer tools.
• Experience with card personalization tools like MULTOS, GPPro, Gemalto IDV or similar.
• Should possesses the functional knowledge of ISO 14443 / 7816 / 8583 / 9564. Experience with debugging tools like PyAPDU, GPShell, or JCOP tools.
• Strong knowledge of chip manufacturing industry is needed.
• Strong understanding of EMV standards, cryptographic algorithms (AES, RSA, ECC, PQC).
• Familiarity with HSM and secure element programming.
• Experience in card manufacturing industry.
• Experience in PKI and Certificate Management
• Collaborate with teams on certification processes (EMVCo, PCI DSS, etc.)
• Good to have EMV certifications. Soft Skills
• Strong problem-solving and analytical skills
• Ability to work independently and in a team
• Good communication and documentation skills
• Attention to detail with a focus on security Requirements Preferred Qualifications:
• Bachelor’s or master’s degree in computer science or in a related field.
• 5 years of relevant experience is must.
• Previous experience in payment networks requirements likes (Visa, Mastercard, Rupay, etc.) is a plus.