Confiz is seeking a highly skilled Senior Software Engineer to support our growing LATAM team in Mexico.
with strong expertise in Retail Point of Sale (POS) and Payment platforms.
This role is focused on hands‐on design, development, and integration of POS and payment solutions that are secure, scalable, and reliable.
The adecuado candidate has deep technical skills, experience delivering high-quality retail solutions, and the ability to collaborate closely with teams to ensure smooth implementation and support.
Responsibilities
Design, develop, and implement features for POS, checkout, and payment processing systems across stores, mobile, and e‐commerce.
Translate functional requirements into technical specifications and deliver high‐quality code.
Build and integrate APIs for transactions, settlements, loyalty programs, and fraud detection workflows.
Implement secure and reliable payment device integrations and gateway APIs (e.g., Verifone, Ingenico, Adyen, Stripe, PayPal).
Support performance optimization for transaction throughput, latency, and reconciliation accuracy.
Contribute to system monitoring, logging, and alerting to ensure high availability of mission‐critical POS/payment systems.
Collaborate with cross‐functional teams on integrations with ERP, OMS, CRM, Loyalty, Fraud Management, and Digital Wallets.




Ensure solutions follow compliance standards such as PCI‐DSS, EMV, and tokenization/security best practices.
Participate in code reviews, provide technical input, and contribute reusable components and accelerators.
Stay current with emerging retail and payment technologies, applying them where relevant to enhance solutions.
Qualifications
5–7 years of professional software engineering experience, with at least 3+ years in Retail POS & Payments.
Hands‐on experience with POS systems (NCR, Toshiba, Oracle Retail, or custom POS) and payment platforms (Adyen, Stripe, PayPal, Worldpay, FIS).
Strong programming experience in Java, .
NET, or Node.js, with working knowledge of RESTful APIs, GraphQL, and event‐driven systems (Kafka, Pulsar, etc.).
Experience with cloud platforms (Azure, AWS, or GCP) and containerized deployments (Docker, Kubernetes).
Knowledge of secure payment workflows, tokenization, and encryption.
Familiarity with CI/CD pipelines and DevOps practices.
Strong problem‐solving, debugging, and performance optimization skills.
Bachelor's degree in Computer Science, Engineering, or related field.
Excellent communication and teamwork skills, able to work with both technical and non‐technical stakeholders.
Fluent in English and Spanish.
#J-*****-Ljbffr

📌 Senior Software Engineer (Monterrey)
🏢 Confiz
📍 Monterrey