Senior/ Middle Golang Engineer

Join our team as a foundational senior engineer to help us evolve from a service-oriented squad into a platform team powering secure, global financial services and telecommunications offerings. We are building the intelligent backbone that powers and protects millions in cross-border transactions, and your expertise will be critical in shaping its future. **The Mission & Your Impact**: - Today, we build and operate critical systems in the anti-fraud, compliance, marketing, pricing and customer care domains. - Your mission is to guide us through our next chapter: building a robust Platform that other engineering and data science teams will use to ship their own features. - You won't just be writing services; you'll be architecting the foundational systems that enable faster, safer innovation across the company. - True Impact: You will have a direct hand in building a platform from the ground up. Your work will enable secure financial access for families across the globe. - Technical Leadership: This is a senior role with high autonomy. We will rely on your skills to guide our architecture and technology choices. - A collaborative environment in a team of skilled, passionate professional **What You'll Build & Own**: - Platform Core: Design, build, and optimize high-performance Golang microservices that will serve as the backbone for our new platform. - ML Infrastructure: Automate and enhance our MLOps pipeline using MLflow. - Tackle challenges like dynamic model selection, champion-challenger patterns, and shadow mode deployments to make our systems more agile and intelligent. - Dynamic Workflow Engine: Integrate ML models and business rules directly into our customer verification workflows, moving beyond static configurations to a dynamic, rules-driven system. - Data & Feature Engineering: Develop scalable ETL pipelines and feature stores to power real-time model inference and complex aggregations for compliance monitoring. - Cloud-Native Foundation: Own and evolve our infrastructure on AWS (EKS, Kafka, SQS, OpenSearch, etc.), with a strong focus on observability (Prometheus, Grafana, Splunk), reliability, and incident response. **We're Looking For**: - A proven track record (4+ years) of designing, building, and shipping production-grade systems in Golang. - Deep experience with cloud-native architectures on AWS (or similar), including container orchestration (Kubernetes/EKS) and managed services (Kafka, SQS). - Strong engineering fundamentals: distributed systems, databases (SQL/NoSQL), and API design. - A passion for solving complex business problems with elegant technical solutions. - You see the "big picture" without losing sight of the critical details. - Excellent communication skills (English B1+) and the ability to guide technical strategy and mentor peers. **It Would Be a Major Plus If You Have**: - Experience building internal platforms or developer tools for other engineering teams. - Knowledge of ML systems lifecycle (training, serving, monitoring) and tools like MLflow. - Familiarity with workflow engines (e.g., Camunda, Temporal) or rule engines (e.g., Grule, Drools). - Background in the FinTech, marketing, anti-fraud, or compliance domains. - Hands-on experience with infrastructure-as-code (CDK, Terraform) and a keen sense for operational excellence. **What We Offer**: - Remote work flexibility - work from anywhere. - B2B contract with competitive gross compensation in USD. - Top-tier hardware to support your productivity. - A challenging role in a team of skilled professionals. - Continuous learning and career growth opportunities. - Coverage for professional development: training, seminars, and conferences. - Access to high-quality English lessons.