Summary
Overview
Work History
Education
Skills
Websites
References
Timeline
AssistantManager

RAPHAEL ABBRACX TANKO

Ikeja

Summary

Dynamic Backend Engineer with proven expertise at Peerless, Sterling Bank, specializing in Django and AWS. Successfully developed scalable microservices and implemented robust security protocols. Adept at project management and cross-functional teamwork, driving efficiency and enhancing application performance. Committed to delivering high-quality solutions in fast-paced environments.

Overview

5
5
years of professional experience

Work History

Backend Engineer (Contract Staff)

Peerless, Sterling Bank
Victoria Island, Lagos
04.2025 - Current
  • Developed and maintained RESTful APIs for banking applications.
  • Implemented security protocols for data protection and transaction integrity.
  • Participated in code reviews to ensure quality and adherence to standards.
  • Designed database schemas to support application functionalities.
  • Documented technical processes for team knowledge sharing and onboarding.
  • Developed and maintained automated test scripts for web applications.
  • Executed regression tests to ensure product stability after updates.
  • Assisted in creating testing environments for various software releases.
  • Performed functional, integration, system and acceptance testing activities.
  • Worked closely with DevOps teams in order to design best practices for deploying applications into production environment.
  • Updated software upon release of vendor patches to mitigate vulnerabilities.
  • Deployed microservices on Kubernetes clusters in order to increase scalability and availability of services across multiple regions.
  • Configured, managed, and monitored cloud-based services such as AWS EC2, S3, EBS, ELB, RDS using Terraform and Ansible.

Senior Developer

ApeXpress
Jos
01.2025 - Current
  • Implemented RESTful APIs to facilitate communication between different software components.
  • Conducted code reviews to ensure quality and adherence to best practices.
  • Participated in agile development meetings to discuss project progress and roadblocks.
  • Developed and maintained back-end applications using Node.js, AWS Serverless, Lambda Functions, AWS Event Bridge, and SNS for running microservices.
  • Integrated third-party APIs, such as DistanceMatrix, into the backend system for additional features and functionality.
  • Coded, tested, and developed solutions in alignment with project requirements.
  • Participated in sprint planning sessions, client meetings and project retrospectives.
  • Developed custom middleware for handling cross-cutting concerns such as logging, error handling, and request validation.
  • Monitored application and server performance, implementing necessary adjustments to handle load variations.
  • Troubleshot and debugged complex issues, identifying root causes and implementing solutions to prevent recurrence.
  • Implemented DevOps best practices including Infrastructure as Code and Configuration Management.

Senior Software Engineer (Lead Developer)

PistisTech Hub
Lagos
01.2024 - 01.2025
  • Company Overview: Company Overview: https://learn.pististechub.io/
  • Developed backend services using Django for user enrollment and management
  • Responsible for shipping product to production using AWS EC2, RDS, S3, SES, SQS ECS, ECR, and GitHub Actions.
  • Responsible for breaking down user requirements into technical implementations.
  • Responsible for integrating payment service for the platform.
  • Project management and Leadership.
  • Project: Elearning Platform
  • Technologies: Python/Django, AWS (EC2, RDS, S3, ECR, ECS), Github Actions.
  • Developed backend services using Python/Django, Net/C# for core banking applications.
  • Integrated Python-based microservices with Azure DevOps for CI/CD pipelines.
  • Built front-end components using JavaScript and React for user-facing banking applications.
  • Collaborated with teams to migrate legacy systems to modern core frameworks.
  • Projects: IMTOs and Local Funds Transfers, Automation of Staff Loans, Automation of Customer Due Diligence, Automation of Account opening workflow.
  • Company Overview: https://learn.pististechub.io/

Software Engineer, Backend (Contract)

zarttech
Hague
11.2023 - 06.2024
  • Designed and implemented core product architecture using Python and Django.
  • Developed RESTful APIs and integrated with AWS services for scalability.
  • Established a robust data synchronization pipeline for customer accounting across various platforms, utilizing Zero and QuickBooks.
  • Configured accounts payable and receivable by leveraging Monite and Codat for efficient financial management.
  • Managed deployment processes for cloud-based applications and services.
  • Automated infrastructure provisioning using configuration management tools.
  • Assisted in container orchestration using Docker and Kubernetes technologies.
  • Implemented containerization technologies such as Docker and Kubernetes for faster delivery cycles.
  • Implemented systems automation using scripting languages like Python and Bash.
  • Assisted in preparing reports and presentations for management review.

Software Engineer, FullStack (Contract)

Offscript
stockholm
08.2022 - 12.2022
  • Developed backend services using Hasura Graphql and Node.js for microservices architecture.
  • Set up serverless-based deployment pipelines using AWS lambda for the backend services.
  • Built front-end applications using React/Next.js for improved user experience.
  • Translated design prototypes into functional JavaScript-based components.
  • Leverage on shopify to setup E-commerce store for affiliate marketers.

Software Engineer, Backend

Herconomy
Ikoyi, Lagos
01.2022 - 06.2022
  • Company Overview: Company Overview: https://herconomy.com/
  • Conducted deployment health checks on cloud resources through Python scripts.
  • Collaborated on front-end development with React to enhance user interfaces.
  • Documented API endpoints to facilitate onboarding for new developers.
  • Project: Fintech
  • Technology: Python/Django, Reactjs, AWS, ClickUp.
  • Company Overview: https://herconomy.com/

Software Engineer, Backend

Decagon Institute
Lagos
09.2021 - 05.2022
  • Utilized Nestjs for backend development and integration tests
  • Built front-end solutions using React and JavaScript
  • Collaborated on full-stack development tasks
  • Deployment of backend solution using AWS ElasticBeanstalk
  • Project: Food Ordering System App
  • Technology: NestJs, Typescript, Reactjs, AWS ElasticBeanstalk, S3

Education

Kubernetes And Cloud Native Essentials (LFS250) - Cloud

The Linux Foundation
Linux Foundation
07-2025

Bachelor of Science - Computer Science

University of Jos
Jos, Plateau
07.2018

Nodejs Developer Certified - Web Development

Decagon Institute
Lekki Penninsula II, Lagos
03-2022

Agile/Scrum Fundamentals Certified - Software Engineering

Scrum Body

Skills

  • Experienced with Django, Django Ninja, Pydantic
  • Proficiency in Python
  • Experienced with Javascript / Typescript
  • Automated and software testing
  • Project management
  • Agile methodologies
  • DevOps practices
  • Microservices architecture
  • Security protocols
  • Knowledge of GraphQL (Hasura)
  • Experienced with Nodejs
  • Experience with Docker
  • Expertise in Java
  • Database management
  • Time management
  • Operational analysis
  • Distributed systems
  • Cross-functional teamwork
  • Requirements gathering
  • Performance optimization
  • Problem-solving aptitude
  • Data Science
  • Scripting and automation
  • Blockchain integration
  • Scrum and Agile Development
  • AWS Cloud
  • Linux
  • System Administration
  • SQL and NoSQL

References

  • Dr. Yinka Overinde, HOD, Department of Computer Science, University of Jos, oyerindeo@unijos.edu.ng, 08037011799
  • Dr. Sunday Didam Audu, Babcock University, Ogun State, audus@babcock.edu.ng, 08036638812

Timeline

Backend Engineer (Contract Staff)

Peerless, Sterling Bank
04.2025 - Current

Senior Developer

ApeXpress
01.2025 - Current

Senior Software Engineer (Lead Developer)

PistisTech Hub
01.2024 - 01.2025

Software Engineer, Backend (Contract)

zarttech
11.2023 - 06.2024

Software Engineer, FullStack (Contract)

Offscript
08.2022 - 12.2022

Software Engineer, Backend

Herconomy
01.2022 - 06.2022

Software Engineer, Backend

Decagon Institute
09.2021 - 05.2022

Kubernetes And Cloud Native Essentials (LFS250) - Cloud

The Linux Foundation

Bachelor of Science - Computer Science

University of Jos

Nodejs Developer Certified - Web Development

Decagon Institute

Agile/Scrum Fundamentals Certified - Software Engineering

Scrum Body

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