Principal devops & Infra Tech Lead

At Sunbit, we're building financial technology that puts people first. By combining intelligent decisioning with a personalized, transparent approach, we help consumers access the payment options that are right for them while empowering merchants to build stronger customer relationships.

Engineering is at the heart of how we make that happen. We build scalable distributed systems, cloud-native services, intelligent data platforms, and AI-powered solutions that enable real-time financial decisions at scale. By leveraging modern engineering practices and integrating AI into both our products and development workflows, we solve complex technical challenges, accelerate innovation, and continuously improve the way we build software. Every service, model, and architectural decision we make directly impacts our products, our customers, and the future of financial technology.

About the Role

Sunbit is looking for an Principal devops & Infra Tech Lead to direct the technical vision across our Infrastructure Group (DevOps, Data Infrastructure, and Backend Platform).This person is deeply experienced in the DevOps and Data Infrastructure worlds, with solid working knowledge of the backend (Java) stack - enough to challenge service architecture and align infrastructure decisions with how services are actually built and run.This is a cross-cutting, technical role. The Technical Lead drives architecture, eliminates silos between teams, standardizes foundational engineering practices, and mentors senior engineers across the group

Team tasks you will take part in

• Act as the infrastructure technical lead within the R&D organization, directly influencing Sunbit’s broader technology roadmap.
• Drive the end-to-end technical strategy for cloud infrastructure across AWS and multi-cloud environments, from conceptual architecture to production readiness.
• Collaborate with technical leads across engineering to ensure cross-group implementations align with Sunbit’s overall technical strategy.
• Design and execute the rollout of AI infrastructure, including governed model access, LLM proxy architectures, inference/serving platforms, and MCP and agent infrastructure.
• Establish AI as a first-class engineering capability across Sunbit (AI SDLC) by deploying governed coding agents, IDE assistants, AI-assisted code review, testing, and documentation-enforcing guardrails, cost controls, and usage visibility to deliver a measurable shift in throughput.
• Architect and continuously evolve CI/CD systems and delivery pipelines at scale to reduce friction and elevate developer safety standards.
• Collaborate directly with backend teams to architect scalable microservices and optimize datastore performance across RDS MySQL, MongoDB, and Snowflake.
• Define and enforce organization-wide observability, reliability, and performance standards, establishing best practices for monitoring, alerting, and system health.
• Cloud security, and incident management processes, ensuring systems remain resilient, secure, and compliant.

Requirements

• 8+ years in infrastructure/backend engineering, with deep hands-on expertise across both DevOps and Data Infrastructure.
• Technical leadership - Proven track record leading technical direction in complex, distributed environments (as tech lead, staff/principal engineer, or hands-on team lead).
• Mastery of AWS: Deep knowledge of AWS services, security best practices, account management, and cost optimization
• Data Infrastructure Depth: Hands-on experience scaling and managing complex data platforms, including Snowflake, Apache Airflow, MongoDB, RDS MySQL, and streaming/batch framework concepts (Kafka, Spark).
• Orchestration & Containers: Expert-level Kubernetes (EKS) and Docker; strong Terraform, GitOps, and CI/CD (GitHub Actions, ArgoCD).
• Engineering Standards: Deep understanding of SRE principles, SOC 2 security compliance, cloud networking (WAF, VPCs, IAM)
• Database Ops: Solid understanding of the DevOps aspects of MySQL/RDS and MongoDB (scaling, backups, performance tuning).
• Backend: Working proficiency in Java microservices: able to read, review, and challenge backend architecture and service dependencies.
• Team Player: Strong communication skills and a "can-do" attitude - you enjoy solving problems as part of a collaborative squad.

Advantages

• Technical background in fintech, loan servicing, or compliance-heavy financial architectures.

Recruitment Fraud Disclaimer

We’ve been made aware of fraudsters impersonating Sunbit employees during the hiring process. Please note that all official communication will come from an @sunbit.com email address, through our applicant tracking platform @sunbit.comeet-notifications.com or directly via LinkedIn. We will never ask for your age, Social Security number, bank account details, payment of any kind, or other unrelated personal information during the application process. Our hiring process always includes interviews, either by phone, zoom, or in person, before any offer is made. If something feels suspicious, please contact us at HR to confirm. We ask that you contact HR only about potential instances of fraud. HR does not reach our recruiting team directly. Your application directly through the posting is the best way to ensure that your candidacy is reviewed by our team. Due to the volume of applications, we will not respond to nor forward emails about your candidacy that are sent to HR directly, and your email about your application will be deleted from our systems.