Full-time
NGN Competitive
Lagos
18 Dec 2025
IT & Software

Charistech Limited is recruiting suitably qualified candidates to fill the position below:


Job Title: Senior Software Engineer – Payments Core (C++/PL/SQL)

Location: Lagos

Employment Type: Full-time

Job Description

  • We are recruiting for a Senior Software Engineer with deep architectural knowledge of the payments ecosystem.
  • In this role, you will lead the design and development of high-performance TPP (Third-Party Processor) applications.
  • You will serve as a Subject Matter Expert (SME) on ISO 8583 and PostBridge specifications, guiding the team in processing dual-message prepaid transactions while spearheading the expansion into debit card processing.

Key Responsibilities

  • Technical Leadership: Architect and develop robust payment processing solutions using C++ and PL/SQL, ensuring low latency and high availability.
  • Protocol Management: Expert-level handling of ISO 8583 and PostBridge protocols for precise message parsing and settlement.
  • System Evolution: Lead the transition and feature expansion from prepaid-only to comprehensive debit card processing.
  • Compliance & Security: Oversee the technical implementation of Visa/Mastercard mandates, ensuring full compliance with PCI DSS and TPP certification requirements.
  • Automation & Optimization: Utilize Python and Bash to build advanced automation tools, reducing manual support overhead and optimizing system performance.
  • Mentorship: Mentor mid-level and junior engineers, conducting code reviews and fostering best practices in payment security and software design.

Requirements

  • Education: Bachelor’s or Master’s Degree in Computer Science or Engineering.
  • Experience: 7+ years of software engineering experience, with a specific focus on Banking or Fintech.
  • Preferred: Experience with Docker / Kubernetes and real-time switching platforms.
  • Core Stack: Expert proficiency in C++ and Oracle PL/SQL.
  • Domain Expertise:
  • Proven track record as a Third-Party Processor (TPP) for Visa / Mastercard.
  • Deep knowledge of Dual Message processing (Authorization vs. Clearing).
  • Mastery of ISO 8583 messaging and PostBridge.

Salary

N5,000,000 - N7,000,000 monthly.

Application Closing Date

18th December, 2025.

How to Apply

Interested and qualified candidates should send their CV to: jobs@charistech.com.ng using "Senior Payments Engineer - [Your Country]" as the subject of the email.