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

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.