Daniel Okafor
Software Engineer
Berlin, Germany +49 30 901 55012 daniel.okafor@example.com
Professional Summary
Software engineer with 7+ years building and scaling backend services for high-traffic web applications. Specialised in distributed systems, API design, and performance optimisation. Reduced p95 latency by 40% and shipped features used by 2M+ monthly users.
Experience
Software Engineer — Acme Cloud
2021 – Present
Berlin, Germany
- Designed and shipped a payments microservice handling €4M/month in transactions with 99.98% uptime.
- Cut API p95 latency from 850ms to 320ms by introducing query batching and a Redis cache layer.
- Led migration of 12 services from a monolith to containerised deployments, halving release time.
- Mentored 3 junior engineers; 2 were promoted within 12 months.
- Automated regression testing, raising coverage from 54% to 87% and cutting production incidents 30%.
- Partnered with product to launch a feature adopted by 60% of active users in its first quarter.
Software Engineer — Finch Labs
2018 – 2021
Berlin, Germany
- Built and maintained REST APIs for a logistics platform serving 200K daily requests.
- Reduced CI build times 35% by parallelising the test pipeline.
- Shipped a customer-facing analytics dashboard adopted by 80% of B2B accounts.
Education
BSc Computer Science — Technical University of Berlin
2014 – 2017
Certifications
- AWS Certified Solutions Architect – Associate
Skills
TypeScriptPythonGoNode.jsReactPostgreSQLDockerKubernetesAWSCI/CDSystem designREST & GraphQL APIs