Frederick Odartei Holm, Developer in Hamburg, Germany
Frederick is available for hire
Hire Frederick

Frederick Odartei Holm

Verified Expert  in Engineering

MuleSoft Developer

Location
Hamburg, Germany
Toptal Member Since
November 9, 2020

Frederick is a software engineer with demonstrated expertise in integration development projects (he's a Certified MuleSoft Developer), enterprise application integrations, and microservices in the banking and financial technology domain. Thanks to a robust understanding of integration patterns and architecture frameworks, Frederick can hit the ground running on any integration project type.

Availability

Part-time

Preferred Environment

Anypoint Studio, MuleSoft Anypoint Platform, Mule Runtime Engine, Java, MuleSoft, Mule ESB, RAML

The most amazing...

...thing was working as an integration developer (MuleSoft) and helping with a digital transformation by migrating 33 country affiliates of a major African bank.

Work Experience

Integration Developer (MuleSoft)

2018 - PRESENT
eProcess International S.A.
  • Worked as an integral developer of an enterprise integration team that built a new ESB for Ecobank's (33 affiliates) digital transformation project.
  • Created APIs using a MuleSoft API-led approach to integrate legacy applications with modern applications.
  • Built APIs for government tax payments, mobile money services, trade agencies, and insurance and investment banking services.
  • Developed an application network with 30+ implementations using a Mulesoft API-led approach for core banking services exposed to third-party applications.
Technologies: API Management, CloudHub, MuleSoft API Management, JSON, APIs, Mule Runtime Engine, MuleSoft Anypoint Platform, Mule ESB, Oracle Database, Java, RAML, MuleSoft, Anypoint Studio

Integration and Application Developer

2017 - 2018
PaySwitch Company Limited
  • Developed a payment aggregator on Android, mobile, and POS devices.
  • Constructed an API to integrate with various telecommunication, mobile, money, and airtime gateways, including Mastercard and Visa.
  • Oversaw and was in charge of the deployment and release of new builds.
Technologies: Java

Tax Payment API

PROJECT: A MuleSoft API-led application for tax revenue payment.

As an integration developer, I handled the application integration with Ghana's Revenue Authority Service, exposing the API to the bank's mobile and web applications.

Core Banking Application Network

A MuleSoft API-led application network for core banking services, with more than 30 implementations that expose core banking services (account balance, minimum balance, account signature, customer info, checkbook services, bulk payments, and so on) on) to third-party applications. I mainly worked on the system layer integrations, which exposes the system of records to the process and experience layers.

Languages

Java

Tools

Anypoint Studio

Platforms

Windows, Mule ESB, MuleSoft, Mule Runtime Engine, Oracle Database, Unix, Oracle

Storage

JSON

Other

RAML, APIs, MuleSoft Anypoint Platform, Integration, MuleSoft API Management, API Management, CloudHub, SOAP, API Design, Routing, Data Processing, Application Networks, API Connectors, IT Governance, Apps, Networks

Paradigms

REST

2009 - 2013

Bachelor's Degree in Computer Science

Valley View University - Accra, Ghana

JULY 2022 - JULY 2024

MuleSoft Certified Platform Architect

MuleSoft

DECEMBER 2020 - DECEMBER 2022

MuleSoft Certified Developer Level 1 (Mule 4)

MuleSoft

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

1

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring