Data Infrastructure Team Lead

Description Who We're Looking For - The Team Lead & Architect Chargeflow is at the forefront of fintech + AI innovation. Our mission is to build a fraud-free global commerce ecosystem by leveraging the newest technology—freeing online businesses to focus on their core ideas and growth. We’re looking for an experienced Data Engineering / Data Infrastructure Team Lead to guide a high-performing team in designing, scaling, and operating the robust, cost-efficient infrastructure powering our platform. This role balances hands-on architectural leadership with people leadership , and will be a key driver of reliability, performance, security, and cost efficiency across our data systems. The impact you’ll have Build and evolve the data infrastructure that safeguards our clients’ revenue and powers critical product, ML, and analytics use cases. Establish scalable engineering standards and operational practices (reliability, security, governance, and cost efficiency). Lead and grow a team of data/infrastructure engineers while cultivating technical excellence and psychological safety. What you’ll own (Your arena) Leadership & Mentorship Lead, mentor, and scale a team of talented data and infrastructure engineers. Create strong execution rituals: clear ownership, high-quality delivery, feedback loops, and growth plans. Data Infrastructure & FinOps Own the architecture and evolution of our modern data stack and platform services. Drive cloud cost management (FinOps): cost visibility, optimization initiatives, and capacity planning. High-Performance Engineering Oversee the design of distributed systems, real-time streaming, and batch pipelines capable of processing millions of daily transactions with minimal latency. Define technical direction for storage, compute, and data movement patterns (event-driven + lakehouse). Operational Excellence Champion Infrastructure-as-Code (IaC), CI/CD, and testing practices for infrastructure and data systems. Establish observability standards (monitoring/alerting, SLOs, incident response, postmortems). Partner on security compliance and data governance across the R&D organization. Strategic Collaboration Act as the bridge between data engineering, product, data science, and core R&D teams to execute cross-functional initiatives. Translate business goals into platform roadmaps, milestones, and measurable outcomes. Requirements What it takes (Must-haves) Experience: 6+ years in data platform engineering, data infrastructure, or backend engineering, including 2+ years leading/managing/mentoring engineers. Strong software engineering: Proficiency in Python (or similar) and modern practices (clean code, CI/CD, testing paradigms). Data architecture: Extensive experience architecting and operating scalable data lakes/lakehouses, distributed systems, and real-time event-driven architectures. Cloud-native & IaC: Experience with AWS, GCP, or Azure , plus Docker/Kubernetes and Infrastructure-as-Code (e.g., Terraform ). Databases & storage: Strong knowledge of relational (e.g., PostgreSQL ), NoSQL, and analytical databases, including performance optimization, schema design, and cost tuning at scale. Execution & delivery: Proven track record managing sprint planning, scoping technical projects, and delivering complex infrastructure roadmaps on time. Nice-to-haves Advanced data stack: Apache Iceberg (Lakehouse/S3/Glue), Apache Spark optimization, and big data processing. Streaming & messaging: Kafka, Kinesis, Flink, Kafka Streams. Modern tooling: Temporal/Dagster, dbt/DuckDB, Datadog/Grafana, Pydantic. FinOps & governance: Spot instances/savings plans and compliance frameworks (GDPR/PCI-DSS). About Chargeflow Chargeflow is a leading force in fintech innovation, tackling the pervasive issue of chargeback fraud that undermines online businesses. We’ve built an AI-driven solution to protect merchants’ revenue at scale. Backed by $49M led by Viola Growth, OpenView, Sequoia Capital, and other top-tier investors, Chargeflow is on a product-led growth journey. We’re a tight-knit community of passionate builders, united in our mission to revolutionize eCommerce and fight against chargeback fraud.