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yohanna LemmaYL
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yohanna Lemma

@yohannalemma

I build secure, scalable enterprise integrations with MuleSoft and Workato.

United States
Message

I'm currently supporting Bank of America’s enterprise integration initiatives, designing secure, scalable APIs that connect customer, account, payment, transaction, and internal banking systems.

Previously at SeatGeek, I designed and automated e-commerce and ticketing workflows across inventory, orders, payments, refunds, customer service, CRM, and backend applications. I built event-driven and scheduled Workato recipes, webhooks, REST integrations, and reusable automation components.

At Healthfirst, I developed reusable MuleSoft APIs for member, provider, claims, enrollment, eligibility, coverage, and benefits integrations, connecting healthcare applications, Salesforce, databases, and external services.

Across Activision and AT&T, I delivered API and integration services for digital commerce, retail, and telecommunications. I enjoy solving complex integration challenges and building reliable, scalable solutions that simplify business processes.

Experience

Work history, roles, and key accomplishments

Bank of America logoBA
Current

Integration Engineer

Aug 2024 - Present (2 years 1 month)

Senior MuleSoft Integration Engineer supporting enterprise integration initiatives within the banking and financial services environment. Design and develop secure, scalable APIs and integrations connecting customer, account, payment, transaction, and internal banking systems. Focus on API-led architecture, DataWeave, API security, asynchronous processing, CI/CD, monitoring, and production reliabi

SeatGeek logoSE

Workato developer Integration Engineer

Feb 2022 - Aug 2024 (2 years 6 months)

Senior Workato Integration Developer focused on e-commerce and ticketing integrations. Designed and automated workflows connecting ticket inventory, orders, payments, refunds, customer service, CRM, and backend applications. Built event-driven and scheduled recipes, Callable Recipes, API Recipes, webhooks, REST integrations, error handling, and reusable automation components to support reliable en

Healthfirst logoHE

Mulesoft Developer

Sep 2019 - Feb 2022 (2 years 5 months)

Senior MuleSoft Integration Developer supporting health insurance integrations across member, provider, claims, enrollment, eligibility, coverage, and benefits domains. Developed reusable APIs connecting healthcare applications, Salesforce, databases, and external services, with a strong focus on secure data exchange, high-volume processing, reliability, monitoring, and production support.

Activision logoAC

Mulesoft Developer

May 2017 - Sep 2019 (2 years 4 months)

MuleSoft Integration Developer supporting digital commerce and enterprise application integrations. Developed APIs and integration services connecting customer, product, transaction, CRM, finance, database, and internal business systems. Built reusable integration components, data transformations, real-time and batch processes, error handling, testing, and production support solutions.

AT&T logoAT

MuleSoft Developer

Jun 2015 - May 2017 (1 year 11 months)

MuleSoft Integration Developer supporting retail and telecommunications integrations across customer, product, device, order, inventory, billing, and service activation processes. Developed APIs connecting retail channels with CRM, order management, billing, inventory, and backend systems while supporting real-time and batch integration requirements.

Education

Degrees, certifications, and relevant coursework

yohanna hasn't added their education

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