Joseph A.

Full Stack Engineer

Full-time available

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Bio

Joseph A is a seasoned Senior Software Engineer with extensive experience in designing and maintaining scalable enterprise-grade systems across diverse industries. His technical prowess spans a broad array of technologies including .NET, C#, PostgreSQL, RabbitMQ, Kafka, React, React Native, SAP, Azure, AWS, and Google Apigee. At Heidelberg Materials Digital Hub, Joseph played a crucial role in developing microservices and digital platforms that enhanced the efficiency of construction material sales and distribution,…

  • Projects completed3
  • Hourly rate
  • 4+ years experience
  • Accra, Ghana
  • Member since Jul 2026
Industries
Logistics & Supply ChainEnterprise & SaaS
Video Intro
Assessments

General Coding and Video Assessment

Great score on Count Subarrays with Sum Equal to K, Difficulty Easy · Great score on Client-Side Authentication Failure Investigation, Difficulty Medium · Great score on Discuss the Advantages of Context API vs. Redux in React, Difficulty Hard

Projects

Healthcare Management SaaS Platform

Designing, developing and maintaining a healthcare management platform focused on organizational, facility, employees and patients’ management.

School Management SaaS Platform

Co-developed a multi-tenant school management platform for managing schools and their branches through a single system.

Marketing & Commerce Platform

Co-developed a marketing and commerce micro-service platform featuring marketplace capabilities, online store integration, POS functionality, and inventory management.

Experience

  1. Senior Software Engineer

    Heidelberg Materials Digital Hub· Logistics & Supply ChainOct 2024 — May 2026
    • Designed and maintained enterprise-grade microservices using .Net, PostgreSQL, RabbitMQ, Kafka, React, React Native, Backstage, SAP, GitLab, Azure, Argo, and Google Apigee.
    • Contributed to digital platforms supporting the sale and distribution of construction materials.
    • Collaborated with engineering teams to design, develop, and maintain backend services, features, and APIs supporting over 1,000 customers orders daily across multiple European and American markets.
    • Shipped APIs exposed through Google Apigee and Backstage.
    • Worked closely with cross-functional teams to improve platform performance, reliability, and scalability for a customer base exceeding 1,000 business clients.
    C#.NETPostgreSQLRabbitMQKafkaReactReact NativeBackstageSAPGitLabAzureArgoGoogle Apigee

  2. Full-Stack .Net Developer

    Advanced Field Solutions· Logistics & Supply ChainSep 2023 — Sep 2024
    • Designed workforce management systems used daily by field engineers and supervisors across the UK, Ireland, United States, and Turkey.
    • Collaborated with engineering teams to build and maintain monolith-based business applications.
    • Contributed to the design and shipping of APIs supporting integrations with external systems.
    • Led development of an HR and employees onboarding platform developed and deployed to AWS.
    • Maintained and extended legacy applications built with .Net Framework and Webforms.
    • Improved application reliability through bug fixes, enhancements, and ongoing maintenance activities.
    .NETAWSWebformsReactC#AzureSQL ServerPostgres

  3. Lead Web Developer

    Ibiaso Brands Digital· Enterprise & SaaSJan 2020 — Jan 2021
    • Developed and maintained web applications and websites for clients.
    • Gathered requirements from stakeholders and translated business into technical solutions.
    • Managed application updates, feature enhancements, and ongoing support activities.
    JavaScript.NetC#AzureReact

  4. Freelance Software Developer

    Freelance· Enterprise & SaaSJan 2017 — Jan 2019
    • Developed custom software solutions and web applications for clients.
    • Delivered backend and frontend functionality using modern technologies.
    • Supported clients through implementation, maintenance, and troubleshooting activities resulting over 95% average ratings and client satisfaction.
    .NetC#ReactJavaScript
Education

  1. Bachelor of Education (B.Ed.) - Computer Science

    University of Cape Coast, GhanaGhana2012 — 2017
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