About Kingsley
I'm Full-Stack Software Engineer who has a passion for building high quality software that meets the diverse and complex needs of my clients. I specialize in web development using cutting-edge technologies such as Node.js, Typescript, Java, Spring Boot, React, Nest.js, Next.js, Docker, Serverless and AWS.
English
Native or bilingual
Remote only
Primarily works remotely
Experience
- EGYM WellpassSoftware EngineerTECHJanuary 2025 - Today (1 year and 6 months)Munich, GermanyEGYM Wellpass is a corporate fitness and wellness benefit that provides employees unlimited access to a large network of fitness studios, gyms, yoga centers, etc
- Developed and maintained a large-scale payout processing pipeline using Apache Beam to calculate gym partner payouts by aggregating and processing high-volume data from multiple distributed sources before synchronizing results with SAP systems.
- Integrated with Salesforce to fetch and process customer contract data used in payout and business workflows.
- Integrated Elasticsearch for storing member activity data, enabling advanced search capabilities and export functionality across the platform.
- Led large-scale data migration initiatives, successfully migrating over 50 million records from legacy systems to modern infrastructure while ensuring data integrity, consistency, and minimal service disruption.
- Sastrify GmbHSenior Backend EngineerTECHJune 2021 - May 2024 (2 years and 11 months)Cologne, GermanySastrify is a virtual SaaS service procurement software that improves SaaS operations management and SaaS spending.
- Collaborated with stakeholders to define project requirements and milestones. Built an integration with different platforms such as Freshdesk for customer feedback/request management, Codat for getting customer spend data, Workato to get users tool usage data, Google and Microsoft to discover customer tools via SSO. These integrations helped to improve the onboarding experience of users and reduced the timeframe for getting tools and invoice data by over 70%.
- Built an integration with Nanonets, an OCR for parsing documents. This feature is used to parse and retrieve relevant data from invoices, contracts and offers. This is used to process hundreds of invoices every month. Integrated the app with Auth0 for authentication and authorization, and created auth0 workflows.
- Built User roles and permissions management feature, which is used by hundreds of users.
- Worked on splitting the app into microservices using mono-repo architecture.
- Migrated the Gitlab runners to EC2 ubuntu instance. Built a CI/CD pipeline for the Monorepo project.
- Implemented unit and integration test using jest. E2E tests using Cypress, we later migrated the tests to Playwright. Conducted interviews for over 20 engineers joining the company.
- Interswitch GroupSoftware EngineerJanuary 2021 - June 2021 (5 months)Lagos, Nigeria
- Worked closely with SREs, DevOps, Product Managers, Designers to deliver scalable solutions.
- Developed a REST web service integrated with the Big Data platform to feed other in-house applications and users with data from the Data Lake.
- Regularly generated reports from Big Data for operational analytics.
- Maintained and enhanced the functionality of payment processing web services and payment settlement gateway.
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Education
- Bachelor of ScienceRivers State University2016Bachelor of Science