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Location: Lagos
Posted on: 2 July 2026
Employment Type: Full Time
Salary Range: 0 - 0 (Naira)
Deadline: 2 September 2026
Union Bank of Nigeria ("UBN") was established in 1917 and is one of Nigeria’s long-standing and most respected financial institutions, offering a portfolio of banking services to individuals, SMEs, commercial and corporate clients. With a robust geographical network comprising more than 300 service centres and over 950+ ATMs spread across Nigeria, we have remained committed to helping individuals, families and businesses grow for nearly a century
We are recruiting to fill the position below:
Job Title: Software Developer - C+
Location: Lagos
Job Type: Full time
Requirements
Application Closing Date
Not Specified.
Interested and qualified candidates should apply through: Click here to apply
Learn practical strategies to prepare confidently for your Software Developer - C+ interview, improve communication skills, and increase your chances of getting hired by 99%.
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The Nigerian banking sector relies heavily on high-performance, secure, and reliable software systems to process millions of financial transactions daily. Behind services such as mobile banking, ATM withdrawals, payment gateways, card processing, and core banking operations are robust backend systems built using languages like C++, Java, and other high-performance technologies.
A Software Developer (C++) in a banking environment plays a critical role in building and maintaining low-latency, high-throughput, and secure systems that power financial transactions and enterprise banking applications.
Unlike general software development roles, C++ development in banking often focuses on performance-critical systems, real-time processing, system-level programming, trading/payment systems, and infrastructure components.
If you are preparing for an interview for this role, this comprehensive guide will help you understand the job expectations, strengthen your technical foundation, and confidently handle both coding and behavioral interview questions.
A Software Developer (C++) in a bank is responsible for designing, developing, testing, and maintaining high-performance backend systems that support financial operations.
Your responsibilities may include:
C++ is widely used in banking because of its:
It is commonly used in:
Typical responsibilities include:
You should be strong in:
You must be able to:
You will work with:
Typical qualifications:
Relevant certifications:
You must understand:
Key principles:
Interviewers often ask:
This is one of the most important areas.
You should master:
Key concepts:
Banking systems require high concurrency.
Topics:
You may be asked to design:
Key concepts:
Understand:
Banks rely heavily on databases.
You should know:
Important techniques:
Key security concepts:
Understand:
Tools and practices:
Tools:
You should understand:
Key regulators:
Focus areas:
Include:
Include:
Use STAR method:
Examples:
Steps:
Steps:
Steps:
"I have a strong foundation in C++ programming, data structures, algorithms, and system design. I understand the importance of performance, reliability, and security in banking systems. I enjoy solving complex technical problems and optimizing systems for efficiency. I am comfortable working in Linux environments and collaborating with cross-functional teams. I am confident that I can contribute to building and maintaining high-performance banking systems."
Ensure you understand:
The Software Developer (C++) role in the Nigerian banking sector is a highly technical and performance-critical position. It requires deep understanding of programming, system design, memory management, and banking transaction systems.
To succeed in your interview, you must demonstrate strong problem-solving skills, solid C++ knowledge, and awareness of how banking systems operate under high performance and security constraints.
With consistent preparation and hands-on practice, you can confidently position yourself as a strong candidate capable of building reliable, scalable, and secure banking systems.
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