Software Engineer

FairMoney

. Design, develop, and maintain scalable and reliable backend services.

Posted 9/22/2026full-timeLagos • NigeriaMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in backend software engineering with a focus on Golang and Ruby on Rails, API design, and relational databases like PostgreSQL and MySQL. Proven ability to write clean, maintainable code and implement robust testing practices in a collaborative environment.

Highest-signal resume keywords

Golang ProgrammingRuby on Rails DevelopmentAPI Design and DevelopmentPostgreSQL Database ManagementUnit and Integration Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Backend Software EngineeringSQL Query OptimizationEvent-Driven ArchitectureAsynchronous ProcessingTechnical TroubleshootingData Structures and AlgorithmsSoftware Engineering PrinciplesContinuous IntegrationObservability and Performance MonitoringHigh-Volume Transactional Systems

Soft Skills

Problem-SolvingCollaborationCommunication

Tools & Technologies

GitAI Development ToolsPrompt Engineering

Industry Keywords

FintechBankingLendingFinancial ProductsRegulated Financial Domain

Tech Stack

Tools & technologies

MySQLPostgresRubyRuby on RailsSQLGo

About the role

Key responsibilities & impact

Design, develop, and maintain scalable and reliable backend services.
Write clean, maintainable, and production-ready code.
Build and improve backend services supporting FairMoney's financial products.
Work with Golang and Ruby on Rails backend technologies.
Troubleshoot, debug, and resolve technical issues.
Participate in code reviews and contribute to engineering best practices.
Design, develop, and maintain secure and scalable APIs.
Document APIs and integrate backend services with internal and external systems.
Design and work with relational database schemas using PostgreSQL and MySQL.
Write efficient SQL queries and optimize database performance.
Ensure data integrity, consistency, and reliability.
Write and maintain unit and integration tests.
Participate in automated testing and continuous integration processes.
Use AI-powered development tools and prompt engineering to improve productivity, code quality, debugging, testing, and problem-solving.
Collaborate with Product, Engineering, Data, and other teams.
Participate in technical planning, design discussions, and architecture decisions.
Identify technical improvements and contribute to engineering practices.
Own assigned projects from development through deployment and maintenance.

Requirements

What you’ll need

3–4 years of professional backend software engineering experience.
Strong experience building and maintaining backend applications and services.
Strong experience with backend programming languages such as Golang and/or Ruby on Rails (RoR).
Solid experience working with relational databases, particularly PostgreSQL and/or MySQL.
Strong understanding and practical experience with API design and development.
Strong testing discipline, including experience with unit and integration testing.
Ability to write clean, maintainable, scalable, and well-tested code.
Good understanding of software engineering principles, data structures, and algorithms.
Experience with Git and modern software development workflows.
Strong problem-solving and debugging skills.
Ability to work effectively in a collaborative engineering environment.
Experience with AI development tools and prompt engineering is a plus.
Experience with fintech, banking, lending, or other financial products is a plus.
Experience in lending, credit, payments, or another regulated financial domain.
Experience with event-driven architectures, messaging systems, and asynchronous processing at scale.
Experience working with high-volume transactional systems.
Experience with observability and performance monitoring tools.
Experience working with distributed or highly scalable systems.
Experience using AI tools as part of day-to-day software development.

Benefits

Comp & perks

Competitive pay
Paid annual leave
A network of talented colleagues
Remote / in-office work flexibility
Opportunity to work with a diverse, international team
Opportunity to build technology that impacts financial services across emerging markets