> Markdown version of [/jobs/ext/3057543-implementation-manager](https://www.wearedevelopers.com/jobs/ext/3057543-implementation-manager). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Implementation Manager - **Company:** DEUNA USA LLC - **Location:** United, WV, United States (Remote available) - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Software as a Service, Payment Gateway, Test Case - **Published:** September 24, 2026 - **Apply:** https://www.juju.com/job/16_a655c547 ## About the Role * 3+ years of experience in technical project management, technical account management, merchant integrations, or technical consulting - preferably in Fintech, Payments, or SaaS companies. * Strong technical understanding of payment integrations (APIs, SDKs, payment gateways, fraud vendors, alternative payment methods). * Exceptional project management skills: timeline creation, stakeholder management, risk mitigation. * Client-facing experience: comfortable leading technical conversations with merchant engineering teams. * Organized and proactive: capable of running multiple integration projects at the same time. * Experience with UAT planning and test case validation. * Fluent in Spanish and English. * Startup or high-growth tech environment experience is a plus. ## Description As an Implementation Manager, you will take full ownership of the merchant onboarding and integration journey after pre-sales closes the technical design. You will prepare integration packages, build go-live plans, answer technical questions, coordinate internal teams for product developments, and ensure high-quality and on-time merchant go-lives. You will be measured not only by the speed of onboarding but also by the quality of the go-live - making sure every flow, exception, and integration need is correctly addressed and tested. Responsibilities * Prepare and deliver a full Statement of Work (SOW) for the merchant, including: + Test credentials + API documentation + Integration diagrams + Any project-specific technical material * Define and align a Go-Live Timeline: + Work with the merchant to break down the project into phases (if needed) + Identify key milestones, dependencies, and risks * Be the merchant's main technical point of contact during integration: + Support the merchant's technical team with questions, troubleshooting, best practices, and clarifications * Own and push timelines: + Ensure the merchant and internal teams are meeting the project deadlines + Actively manage risks, delays, and escalations * Collaborate closely with the Product and Engineering teams to: + Escalate and prioritize integration blockers + Follow up on new developments and product features required by the merchant * Build UAT (User Acceptance Testing) matrices: + Internal-facing UAT matrices to align Product teams on the development acceptance criteria + Merchant-facing UAT matrices to ensure the merchant tests every critical payment flow and use case * Drive a clean go-live process: + Monitor launch success + Ensure operational readiness of all flows (payment success, failure handling, refunds, tokenization, etc.) * Post-go-live support: + Stay engaged for 3 weeks after go-live to ensure stability before handing off the account. ## Related Videos - [​Road to Web3](https://www.wearedevelopers.com/videos/584-road-to-web3) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Beyond the Hype: Building Trustworthy and Reliable LLM Applications with Guardrails](https://www.wearedevelopers.com/videos/1594-beyond-the-hype-building-trustworthy-and-reliable-llm-applications-with-guardrails) - [AIQSpecFlow: Improves and automates your agile process of specification and creation of testcases.](https://www.wearedevelopers.com/videos/100084-aiqspecflow-improves-and-automates-your-agile-process-of-specification-and-creation-of-testcases) - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [Fleet Management - Reinvented](https://www.wearedevelopers.com/videos/473-fleet-management-reinvented) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Should Tech Managers Be Developers First? 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