Software Team Lead - Payments Gateway (Go)

Location: Lisbon, Portugal

Company

hirify.global is a global telecommunications technology provider offering connectivity through a telecom platform, proprietary eSIM technology, and its own mobile core network.

What you will do

• Lead the payments engineering team, set priorities, manage delivery plans, and ensure predictable execution.
• Translate customer, stakeholder, and product needs into technical designs and actionable development tasks.
• Own the payments domain architecture, balancing delivery with resilience, scalability, security, maintainability, and cost efficiency.
• Design and communicate solution architectures, including technical impact, effort, dependencies, and resource requirements.
• Provide hands-on technical guidance through design reviews, code reviews, and engineering decisions.
• Own payment integrations, transaction flows, reconciliation, observability, production incidents, operational improvements, and technical recruitment.

Requirements

• Proven technical leadership and coaching experience in a team lead, senior engineer, or similar role.
• Strong emotional intelligence, communication, and cross-functional collaboration skills, with the ability to balance delivery, operations, technical debt, integrations, and roadmap priorities.
• Strong hands-on experience developing and operating scalable distributed systems.
• Proficiency in Go, including concurrency, asynchronous processing, testing, and performance optimization.
• Strong software architecture and system design skills, particularly with service-oriented or microservice architectures.
• Experience designing and maintaining reliable REST APIs and external system integrations, including AWS and cloud-native production environments.
• Knowledge of CI/CD, automated testing, deployment practices, full software lifecycle ownership, relational databases, transaction consistency, networking, application security, encryption, secrets management, and secure handling of sensitive information.
• Experience establishing observability through metrics, logs, dashboards, and alerting.
• Hands-on knowledge of payment gateways, PSP integrations, and end-to-end payment transaction lifecycles. Strong understanding of authorization, capture, refunds, settlement, failure handling, and reconciliation.
• Experience diagnosing payment failures, transaction inconsistencies, integration issues, and reconciliation discrepancies.
• Understanding of payment security principles, including PCI DSS, tokenization, encryption, and data minimization.
• Fluent written and spoken English.

Nice to have

• Integration experience with Stripe, Adyen, Checkout.com, or comparable PSPs.
• Experience with Prometheus, Grafana, Loki, PostgreSQL, NoSQL databases, event-driven systems, Kafka, RabbitMQ, Docker, Kubernetes, or .NET.
• Knowledge of digital wallets, recurring payments, subscription billing, PSP routing, failover, retries, idempotency, circuit breakers, and duplicate-payment prevention.
• Experience with payment-provider migrations, API version changes, webhook processing, sandbox testing, or provider certification.
• Experience defining SLOs, leading production incidents, conducting root-cause analysis, and improving operational runbooks.

Culture & Benefits

• Career growth in a rapidly expanding telecommunications technology company.
• Exposure to major transactions and the telecommunications industry.
• Collaborative, fast-paced, international environment with open communication and a results-driven culture.
• Professional development alongside industry experts.
• Opportunities to work in different hirify.global offices internationally as the career develops.