Polly.io
Senior/Staff Software Engineer- Back End, API Team
Job Posted 17 Days Ago
Be an Early Applicant
The Senior Software Engineer will design and develop scalable APIs, enhance integrations, mentor junior engineers, and ensure software quality in a SaaS environment.
Who You Are:
You have 6+ years of software development experience under your belt and are looking for your next challenge in a hyper-growth, fast-paced, industry disrupting, SaaS company. You are excited to work with emerging technologies and modern tech stack with a collaborative engineering team, where you will have a direct impact in the delivery of first class software products. Your experience mentoring others, working with distributed systems, relational databases, and all things software development has prepared you to take your career to the next level.
Does this sound like you? If so, keep reading and apply today!
What you’ll do:
- Design & develop scalable, public-facing APIs and SDKs
- Build and enhance mission-critical third-party integrations
- Develop backend services using Python, Django, PostgreSQL, and AWS
- Implement and manage OpenAPI specifications
- Design and develop event-driven architectures
- Diagnose and resolve technical problems; build unit tests and automation to ensure the quality of your features
- Maintain existing code and write code that is easily maintainable through documentation, good architecture and automated testing
- Define, discuss and work with the team on the architecture of the platform
- Actively participate in interviewing and evaluating new team members
- Provide vision and direction for software development best practices & methodologies
- Mentor junior members of the software engineering team in all aspects of software development across multiple projects with multiple customers
- Prioritize your work and the work of others with a sense of urgency to ship products in time to have the desired business impact
- Review code, help drive technical excellence through best practices and latest tools
- Maintain a working knowledge of advances and trends in programming and technology
- Generate ideas for innovative technological solutions
What you have:
- Proven track record of success in large enterprise SAAS Software, distributed systems, scalability, and continuous development
- Bachelor’s degree or equivalent and 6-9 years’ experience OR Master’s degree and 4-7 years’ experience
- Senior level skill-set with core programming languages (Python, Java, C#, C/C++, etc.)
- Experience working with distributed systems, inter-service communication protocols, and APIs (e.g. REST, NSQ, etc.)
- Experience developing transactional systems, where concurrency, race conditions, and data consistency are a concern
- Experience designing, implementing, and maintaining APIs using OpenAPI
- Experience working with relational databases and SQL
Extras you bring to the table:
- Experience working with TypeScript, JavaScript, or Vue.js,
- Deploying into a public cloud service (AWS, GCP, etc.)
- Experience with containerization (Docker/Kubernetes)
- Solid understanding of distributed systems and building scalable/redundant services
- Experience with service monitoring, metrics, alerting, log aggregation, and tracing
- Experience with functional/acceptance testing
Why join Polly?
- We are attacking a trillion-dollar market with gross inefficiencies and seeking to transform the way an entire industry operates
- We have an experienced leadership team that previously built large and impactful platforms
- Outstanding opportunity for professional growth and upward mobility
- Direct engagement with the decision makers and senior business leaders
- Competitive salaries
- 100% paid medical/vision/dental/disability/life insurance
- Flexible PTO
Let's get to know each other.
Polly has pioneered the next generation of mortgage capital markets technology with its cutting-edge, data-driven platform. Its enterprise-grade solutions, including the industry's only cloud-native, commercially scalable product, pricing, and eligibility (PPE) engine and first-of-its-kind Polly/™ AI platform, empower the nation's top banks, credit unions, and mortgage lenders to increase profitability, automate workflows, and revolutionize the loan officer and broker experiences. As a mortgage technology trailblazer, Polly is committed to driving meaningful value and ROI through best-in-class innovation that enables unlimited configurability, flexibility, granularity, and scalability. Polly was founded by a seasoned team of mortgage capital markets and technology experts and is headquartered in San Francisco, California. Recognized as a pioneer in mortgage capital markets, as well as in culture and career development, Polly was named to Forbes' America's Best Startup Employers in 2025. This evaluation was based on three key criteria: Employer Reputation, Employee Satisfaction, and Company Growth.
To learn more, follow Polly on LinkedIn or visit www.polly.io. Polly is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, age, color, national origin, religion, sex, gender identity, sexual orientation, marital status, pregnancy status, disability status, veteran status, or any other legally protected status. Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
Beware of recruitment scams impersonating the Polly brand or our employees. Our team communicates only through official Polly channels, and we will never ask for sensitive information over text or conduct text-only interviews. If you are ever suspicious or in doubt, reach out to us directly at peopleteam@polly.io. We care deeply about this network and your experience.
Top Skills
AWS
Django
Docker
JavaScript
Kubernetes
Openapi
Postgres
Python
Typescript
Vue
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