Jobs at DEUNA

Build and maintain production Next.js/React/TypeScript UIs including dashboards, chat/copilot surfaces, and data-visualization; craft AI/agent UX and streaming interfaces; own design-system components; prototype mock-first flows then wire real APIs; do light full-stack integration and ensure performance, accessibility, and code health.

Support the Data team by collecting, cleaning, and preparing datasets; perform exploratory analysis; help develop and evaluate ML models; build visualizations and dashboards; document findings; and collaborate with engineers and product teams while learning data science best practices.

Monitor infrastructure, applications, and payment transaction flows; triage alerts; perform initial troubleshooting and functional validations; manage incident escalation and communication; handle support tickets; execute operational configurations and validations across environments; maintain documentation and reports. Role includes night shifts and close collaboration with engineering and customer-facing teams.

Lead design and delivery of the AI payment platform: build and productionize ML/LLM models, operate MLOps and inference services, ensure low-latency payment integrations, own AWS and hybrid deployments, enforce PCI-DSS, implement observability, and mentor the engineering team.

Build and maintain payment connectors and web/mobile applications, collaborate with designers and developers, implement new features, troubleshoot and optimize existing systems, adopt new technologies, and deliver high-quality solutions within an Agile team focused on ecommerce and payments integrations.

Own a portfolio of strategic B2B accounts to ensure satisfaction, retention, and growth. Act as trusted advisor, drive product adoption and expansion, coordinate cross-functional teams for implementations and issue resolution, monitor account health and metrics, and deliver renewals, business reviews, and actionable insights to optimize customer payment flows.

Lead and scale client integration operations for a payments platform: manage integration team, oversee end-to-end onboarding, define API and data-handling best practices, collaborate with product/engineering/sales, ensure secure compliant integrations, and optimize processes to drive client satisfaction and retention.

Lead end-to-end execution of complex payments initiatives, coordinating Product and Engineering to define requirements, manage roadmaps, mitigate risks, and scale payment infrastructure. Drive cross-functional alignment, implement program frameworks, track KPIs, and improve reliability, performance, and integrations across payment systems.

Senior individual-contributor Fullstack Staff Engineer to drive architecture, technical direction, and cross-team solutions. Own fullstack systems, design scalable distributed systems and APIs, implement performance optimizations, contribute production-grade code, conduct code reviews, and mentor engineers. Partner with Product and leaders on trade-offs, observability, and long-term technical strategy while improving monitoring and system reliability.

Own merchant onboarding and integrations post-sales: create SOWs and integration packages, define go-live timelines, support merchant engineering, coordinate Product/Engineering, build UAT matrices, ensure clean go-lives and provide three weeks post-launch support.

Lead design and implementation of scalable backend services and APIs, improve performance and reliability of distributed systems, guide engineering teams on architecture and best practices, optimize data models, caching, and asynchronous processes, and collaborate with Product and Engineering to deliver robust backend solutions.

Lead design, automation, and maintenance of AWS cloud infrastructure using IaC. Build and operate container platforms (Docker, ECS, EKS), design CI/CD pipelines, implement monitoring and security, optimize performance and costs, manage AWS networking across regions, and mentor engineering teams while evaluating new tools and best practices.

Lead all finance functions including strategy, forecasting, reporting, cash and capital management, compliance (IFRS), investor relations, financial modeling, and building a scalable finance team to support rapid growth and international expansion in the payments industry.

Senior individual contributor driving fullstack architecture and technical direction. Design scalable distributed systems and APIs, contribute code across frontend and backend, lead performance refactors, mentor engineers, and partner with Product and leadership on trade-offs, observability, and long-term technical strategy.

Lead and improve technical operations for the payments platform: build monitoring and alerting, define deployment standards and runbooks, manage incident response and post-mortems, maintain client configuration documentation, support production troubleshooting, oversee technical support team, and drive the operational roadmap and health reporting.

Lead frontend design and implementation using React and TypeScript. Build scalable, high-performance UIs, implement integration, E2E and visual regression tests, and maintain CI/CD/DevOps pipelines. Collaborate in agile teams, ensure clean code and architectural quality, and manage deployments using AWS services.