Golang Backend Engineer - Nigeria

FairMoney is building the leading mobile bank for emerging markets. We started with a digital microcredit application on Android, and currently roll out additional financial services (current account, savings, debit card) while expanding the product to Western Africa and South-East Asia.

We are recruiting to fill the position below:

Job Title: Golang Backend Engineer - Nigeria

Location: Lagos (Hybrid)

Role Overview

• As a Senior Software Engineer, you will play a key role in designing and building scalable backend and platform services that power FairMoney's financial products.
• You will work on complex distributed systems and financial processes, contribute to architectural and technology decisions, and help build a reliable platform that can support millions of customers across multiple markets.
• You will also contribute to engineering best practices, mentor other engineers, and take ownership of medium to large-sized technical projects from design through deployment.

What You Will Work On

• Develop high-quality backend features in collaboration with the Product team to better serve our customers.
• Build and evolve platform services that allow individual markets to implement specific features while maintaining a strong common core product.
• Design and develop scalable solutions for complex financial processes using appropriate architectural patterns.
• Drive architecture and technology decisions that enable a reliable and high-quality customer experience.
• Design, develop, and deploy medium to large-sized projects.
• Build and maintain distributed systems and platform services that are reliable, scalable, and resilient.
• Design and improve relational database schemas, ensuring data integrity, performance, and scalability.
• Contribute to engineering best practices, coding standards, code reviews, testing, and operational excellence.
• Provide technical mentorship and guidance to other members of the engineering team.
• Contribute to continuous improvements across infrastructure supporting millions of customers.
• Analyze and improve the efficiency, scalability, and stability of monitoring, CI/CD, and platform integrations.
• Work closely with other engineering teams and stakeholders to identify technical requirements and deliver effective solutions.

Technical Stack:

• Customer-facing product: Android and iOS apps – Kotlin KMP.
• Backend: Golang and Ruby on Rails.
• Background processing & testing: Sidekiq, Temporal (Golang), RSpec.
• ML pipeline: Python / Flask API.
• Cloud: AWS.
• Infrastructure: Kubernetes, SNS, SQS, Lambdas.
• Databases: RDS Aurora MySQL, PostgreSQL, DynamoDB.
• Storage & streaming: S3, Kinesis, Kafka.
• Data warehouse: GCP, GCS, BigQuery, Cloud Composer.
• CI/CD: GitHub Actions.
• Full-stack / Frontend (Good to Have): React Native, Next.js, and modern web development technologies.

Requirements

Must-Have Qualifications:

• 5+ years of professional backend software development experience.
• Strong experience designing and building distributed systems.
• Experience building and maintaining platform services or shared backend infrastructure.
• Strong experience with relational database design, including schema design, data modelling, SQL, indexing, and performance optimization.
• Strong experience with Golang and backend development.
• Experience designing scalable, reliable, and maintainable backend systems.
• Strong understanding of software engineering principles, system design, and object-oriented design.
• Good problem-solving skills and the ability to work on complex technical challenges.
• Good verbal and written communication skills.

Preferred Qualifications:

• Experience building and delivering complex software systems used by customers at scale.
• Strong understanding of professional software engineering practices across the full software development lifecycle, including coding standards, code reviews, source control, testing, build processes, and operations.
• Experience with microservices and distributed architectures.
• Experience with cloud providers, preferably AWS, alternatively GCP or Azure.
• Experience with high-volume systems and designing for scalability, availability, and resilience.
• Experience communicating with users, technical teams, and management to gather requirements and translate them into technical designs and specifications.
• Experience in fintech, banking, lending, or other financial services is a plus.
• Experience mentoring engineers and contributing to technical direction is a plus.
• Comfortable working with AI-native development tools.
• Full-stack experience is a plus, particularly with React Native, Next.js, or modern web development technologies.

Benefits

• Competitive pay.
• Paid annual leave.
• A network of talented colleagues.
• Opportunity to work with a diverse, international team.
• Opportunity to build technology that impacts financial services across emerging markets.

Application Closing Date

Not Specified.

Recruitment Process

• Introductory call with members of the hiring team – 30 mins.
• Technical interviews with members of the Engineering team – 45–60 mins.