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Senior Engineer

at ThoughtFocus

Hyderabad, India Senior Posted 2025-11-07

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About this role

Responsibilities: Design, develop, and maintain high-performance C++ applications using  Visual C++  and  MFC . Architect and implement  RESTful APIs  for secure communication with backend services and third-party systems. Integrate software with major  US credit card processors  and assist with  certification  efforts (e.g., First Data, TSYS, Elavon). Collaborate with QA and compliance teams to ensure adherence to  EMV , PCI DSS, and other regulatory standards. Debug and troubleshoot complex issues in production and development environments. Write clean, maintainable, and well-documented code. Mentor junior developers and participate in code reviews. Required Qualifications: 5+ years of professional experience in  C++ development . Strong knowledge of  Visual C++  and  Microsoft Foundation Classes (MFC) . Solid understanding of  OOP/OOD  and software design patterns. Proven experience in designing and implementing  RESTful APIs . Experience with  US Credit Card Processor Certification  processes. Familiarity with  ISO 8583 ,  TLV parsing , or transaction messaging standards. Experience with debugging tools, memory profiling, and performance tuning.

How to get this job at ThoughtFocus

  1. Don't rely on the portal. Cold applications for a role like Senior Engineer land in a pile of hundreds. A direct, personalised message to the hiring manager or a referrer is the fastest way in.
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  3. Send tailored outreach. ResuMail drafts an email personalised to your resume and this role, then paces and schedules sends so you stay out of spam.
  4. Follow up. One polite nudge after 5–7 days roughly doubles reply rates — scheduled for you.

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