Software Engineer - Backend at Cowrywise

Cowrywise is a fintech company democratizing access to premium financial services by making these services available to the mass market cheaply. Read more about this company Software Engineer - Backend Job Type Full Time Qualification BA/BSc/HND Experience 5 years Location Lagos Job Field ICT / Computer   We need a backend engineer who can own features end-to-end, from database schema to production. You’ll work on our core financial platform: portfolios, transactions, third-party integrations, and the systems that keep everything running reliably. This role is highly collaborative. You’ll work closely with product and design to figure out what we’re building, then take ownership of how it gets built and shipped. Your code handles real money, so correctness matters. We also ship frequently, so speed matters too. The best candidates know how to balance both. What you’ll do Features Build backend features for savings products, portfolios, stock investments Own the whole thing: database design, business logic, APIs, tests, deployment, monitoring Write code that someone else can read and maintain a year from now Work with frontend/mobile to define API contracts Systems Build integrations with payment gateways (Paystack, Monnify, etc), fund managers, and KYC providers Design systems that handle money correctly. Idempotency, consistency, audit trails. Non-negotiable. Debug production issues and be on call for systems you build Performance Optimize database queries, design schemas, and make things fast PostgreSQL and Redis for the data layer Celery for background jobs Code quality Review code and get your code reviewed Write tests that actually catch bugs Help onboard new engineers What we’re looking for Required 5+ years building production backend systems Our primary language is Python (Django/FastAPI), but proficiency in Golang and JavaScript (and TypeScript) is also important PostgreSQL, MYSQL: schema design, query optimization, transactions Event-driven architectures, message queues (SQS, RabbitMQ, Kafka) REST APIs: clean contracts, versioning, error handling AWS basics (EC2, RDS, S3, SQS, Lambda) Background job processing (Celery or similar) Can debug through logs, metrics, and code Git, CI/CD, modern workflows Can explain technical concepts to non-technical people Nice to have Fintech, payments, or financial services experience Docker Swarm, Kubernetes, ECS Monitoring tools (New Relic, Sentry, CloudWatch) Typescript and Golang Experience The people who succeed on this team Take ownership without being asked Know when to optimize and when to ship Write code for humans Adapt when requirements change Give and receive feedback well Care about users, not just code Make the people around them better Check how your CV aligns with this job Method of Application Interested and qualified? Go to Cowrywise on cowrywise.breezy.hr to apply Build your CV for free. Download in different templates.

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