Quality Assurance Engineer - Lagos

Job Description - Mid-Level Quality Assurance Engineer (Fintech / Payments) · Role Title: Mid-Level Quality Assurance Engineer · Department: Engineering / Product · Reporting To: Engineering Manager / QA Lead · About Fincra · Fincra is a payment infrastructure for fintechs, platf ...

Job description

Job Description - Mid-Level Quality Assurance Engineer (Fintech / Payments)

Role Title: Mid-Level Quality Assurance Engineer

Department: Engineering / Product

Reporting To: Engineering Manager / QA Lead

About Fincra

Fincra is a payment infrastructure for fintechs, platforms, and businesses. We provide payment solutions that enable businesses to accept payments securely, make payouts globally, and scale across borders.

Vision: To bring hope and liberation to every African
Mission: Building the rails for an integrated Africa

Role Overview

We are seeking a skilled and detail-oriented Mid-Level Quality Assurance Engineer to join our software development team. In this role, you will be responsible for validating the quality, reliability, and correctness of our products, especially systems that move real money.

You will work closely with engineers, product managers, and other stakeholders to design and execute effective test strategies, identify defects early, and ensure our APIs, integrations, and financial flows behave correctly under both normal and failure conditions.

Your work will directly impact customer trust, financial accuracy, and platform stability.

What you will be doing everyday

Responsibility

Description

Expected Outcome

Payment Flow Testing

Test end-to-end payment flows including wallets, payouts, retries, reversals, fees, and settlements.

Money moves correctly, once, and to the right destination

API Testing & Validation

Validate REST APIs, request/response payloads, error handling, idempotency, and asynchronous flows.

Stable, predictable APIs for merchants and partners

Financial Accuracy Verification

Verify wallet balances, debits, credits, and reconciliation across services.

Zero balance mismatches or financial discrepancies

SQL & Database Monitoring

Use SQL queries to validate transactions, monitor ledger consistency, and investigate data issues.

Accurate backend data and faster root-cause analysis

Failure & Edge Case Testing

Test retries, duplicate requests, timeouts, and partial failures across systems.

No double debits or inconsistent transaction states

Defect Management

Identify, document, and track defects with clear reproduction steps and impact assessment.

Faster resolution of high-risk issues

Test Automation Contribution

Contribute to automated tests for critical and high-risk payment flows.

Reduced regression risk and faster releases

Risk Identification

Review requirements and proactively flag ambiguities, edge cases, and risk areas.

Fewer late-stage surprises

Cross-Team Collaboration

Partner with Engineering, Product, Support, and Operations teams throughout the development lifecycle.

Shared ownership of quality outcomes

Success Metrics

Objective

Metric

Target / Benchmark

Financial Correctness 

Balance mismatch incidents

Zero tolerance

Production Stability

Payment-related incidents

Continuous reduction

Defect Leakage

Bugs found post-release

Minimal per release

Test Coverage

% of critical payment flows covered

≥ 90%

Automation Impact

% of regression flows automated

Increasing quarter-over-quarter

Release Confidence

Emergency hotfixes or rollbacks

Rare and exceptional

Required Qualifications

• Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).
• 3 to 5 years of experience as a QA Engineer or similar role.
• Strong understanding of software testing fundamentals and QA best practices
• Experience testing REST APIs and asynchronous systems
• Hands-on experience with tools such as Postman.
• Experience testing financial or transactional systems, including:
  • Wallets and balances
  • Payouts, retries, reversals, and settlements
  • Fees and reconciliation
  • Idempotency and reference handling
• Proficiency in SQL for database validation and monitoring, including:
  • Writing queries to verify transactions and balances
  • Investigating ledger inconsistencies
  • Supporting incident and root-cause analysis
• Exposure to test automation tools (Playwright, Cypress, Selenium, REST Assured, or similar)
• Familiarity with Agile/Scrum workflows, CI/CD pipelines, logs, and monitoring tools
  

Behavioral Competencies (High-Agency & Values-Aligned)

• Ownership: Takes responsibility for quality and financial correctness end-to-end
• Trust & Integrity: Understands the importance of reliability in fintech systems
• Attention to Detail: Identifies edge cases without losing sight of system-level impact
• Critical Thinking: Challenges assumptions and unclear requirements early
• Collaboration: Works effectively across teams with clear, respectful communication
• Calm Under Pressure: Responds methodically during incidents or production issues

Role Alignment with Company Goals

Strategic Goal(s) Supported:

• Build and maintain trust in Fincra's payment infrastructure
• Scale transaction volume without increasing financial or operational risk
• Reduce customer disputes, refunds, and support escalations
• Enable faster, safer, and more confident product releases

Alignment Statement:

This role directly supports Fincra's mission of building reliable payment rails for Africa by ensuring every transaction is accurate, traceable, and resilient, regardless of volume, failure conditions, or complexity.

Additional Notes

• This role requires a QA Engineer who thinks beyond happy paths and understands the real-world impact of defects in financial systems
• The QA Engineer is expected to influence quality early, not only at release time
• Close collaboration with Engineering, Product, Support, and Operations is essential
• Strong growth path toward Senior QA Engineer, Payments QA Specialist, or QA Lead based on impact and ownership

Cultural competencies (Company culture that we don't negotiate with)

● Humility: Embracing a growth mindset, listening actively, and valuing every team member's contribution, regardless of role or level.

● Honesty: Ensuring transparency in all interactions, communications, and decisions.

● Excellence: Striving for the highest standards in execution, innovation, and service delivery to create meaningful impact.

● Love: Building a culture of empathy, care, and connection that fosters belonging and mutual respect.

● Discipline: Demonstrating consistency, accountability, and focus in every action to achieve sustainable results

Perks

● Fully remote work environment.
● Competitive compensation aligned with experience and role level.
● Opportunity to work on real-world payment systems that impact businesses across Africa.
● High ownership and learning opportunities in a fast-growing fintech.
● A supportive, values-driven culture that prioritizes people, trust, and impact.

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Location

Lagos, Ikoyi (Remote)

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Department

Engineering

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Employment Type

Full-Time

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Minimum Experience

Mid-level

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