Duckbill · 1 week ago
Backend Senior Engineer
San Francisco, CA
Full-time
Hybrid
Senior Level
$180K/yr - $200K/yr
5+ years expDuckbill is developing a SaaS product called Skyway that simplifies financial planning and analysis of cloud billing data for large enterprises. They are seeking a backend senior engineer to design and operate backend services, build APIs, and collaborate with data engineers to ensure data quality and performance.
Information Technology & Services
Responsibilities
Design, extend, and operate backend services that power our data-heavy product experiences
Build and maintain APIs and backend workflows that are easy for frontend engineers and data engineers to integrate with
Work with confidence against our OLAP and OLTP data stores (PostgreSQL, ClickHouse, S3) to deliver low-latency, reliable APIs
Own critical pieces of our billing and financial data modeling, including performance, correctness, and observability
Collaborate with data engineers on ETL and validation patterns that keep downstream experiences fast and trustworthy
Help shape and improve our approach to testing, CI/CD, and operational excellence for backend services
Collaborate with the entire engineering team to investigate and resolve data quality and performance issues across the stack
Debate the merits of LLMs in software development while constantly improving yourself and mentoring your teammates
Qualification
Required
5+ years experience of true full-stack or backend engineering, with a strong emphasis on backend systems and APIs
3+ years working explicitly with Python in production services; you are comfortable designing, implementing, and operating backend code
Experience designing and consuming RESTful or JSON-based APIs, including authentication, pagination, and error handling
Strong SQL and data modeling skills, comfortable working with both transactional and analytical workloads
Experience working with data and data-heavy product experiences where correctness and performance matter
Comfortable collaborating with Product, Design, and frontend engineers every day
Ability to deliver results in hours instead of days
Fastidiousness about data quality, correctness, and reliability in production systems
Preferred
Some familiarity with CI/CD and infrastructure preferred
Some experience in a startup environment, or desire+ability to work well in one
Benefits
401(k)
Healthcare
Vision
Dental with premiums fully covered by the company
Dependents are covered 50%
4 weeks of PTO
Unlimited sick leave
Company
Duckbill
Cloud cost management doesn’t have to be bewildering.
11-50 employees
H1B Sponsorship
Duckbill has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (1)
2023 (1)
Funding
Current Stage
Early StageLeadership Team
Mike Julian
CEO & Cofounder
Recent News
2025-08-21
2025-05-01
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