Senior/Staff Software Engineer, Buyside Team

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!

• Develop and maintain mission-critical services using Python, Django, JavaScript, Vue.js, PostgreSQL and AWS
• Take ownership of technical solutions from planning to production deployment
• Diagnose and resolve technical problems; build unit tests and automation to ensure the quality of your features
• Create maintainable code through thoughtful documentation, clean architecture, and comprehensive testing
• Shape the architecture by contributing to key decisions about the platform's current design and future direction.
• Actively participate in interviewing and evaluating new team members
• Guide engineering practices and establish pragmatic standards for code quality
• Support junior team members through mentorship and technical guidance
• Review code, help drive technical excellence through best practices and latest tools
• Maintain a working knowledge of advances and trends in programming and technology

• 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.)
• Strong expertise in modern frontend technologies—JavaScript, TypeScript, and frameworks like React or Vue, with a focus on building scalable and user-friendly applications.
• Experience with distributed task queues and asynchronous processing frameworks (e.g., Celery, Kafka, or similar)
• 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 working with relational databases and SQL

• [Required] Individuals with in-depth knowledge of: Javascript, Typescript, and Vue 

• 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

• High Bar of Talent: Polly consistently performs in the top quartile of start-up companies, and we consider the people of Polly the engine helping us achieve success. Many candidates choose Polly because of the collaborative, smart, and fun people that work here. We strive to hire the best to continue to raise that bar, and <5% of those that enter the interview process are presented with an offer.
• Disruptive Mission: Mortgage capital markets is historically an under-innovated space; Polly is committed to changing that. Our purpose-built platform has reimagined and reinvented the way that our lender customers operate. We are seeking passionate and driven builders who are not interested in accepting the status quo.
• Individual Impact & Growth: Every day, the Polly team doesn’t just work—they contribute to our overarching mission. Individual impact is highly visible and everyone’s voice matters. You will have exposure to every level of leadership, cross-functional teams, and impactful projects, giving you a unique opportunity to build and hone your skills.
• Hybrid Workplace with Innovation at the Core: Here at Polly, we believe in blending flexibility with in-person collaboration. With a hybrid model, our employees work on site three days a week (Tues./Wed./Thurs.) at our Innovation Hubs, located in Dallas-Fort Worth and San Francisco, driving forward-thinking solutions and fostering teamwork.

• Competitive Compensation: Polly offers competitive salaries designed to reward your expertise and direct impact/contributions.
• Comprehensive Health Coverage: Employees enjoy 100% company-paid medical, vision, dental, disability, and life insurance, granting peace of mind. 
• Flexible Vacation, Done Right: Take time off to recharge when you need it with Polly’s flexible, non-accrued vacation policy—because we trust you to balance work and life.
• Hybrid Environment: Polly employees work on site three days a week (Tues./Wed./Thurs.) at our Innovation Hubs, located in Dallas-Fort Worth and San Francisco.

• Recruiting Screen - 30 minute 1:1 with a Polly Talent Team Member
• Initial Team Round - 30 minute 1:1 with Polly Engineer Team Member
• Assessment - Take Home Assessment + Assessment Presentation
• Post Assessment Rounds [4]- 30 to 45 minute Peer, Cross Functional Team Members, and Executive Rounds

Let’s get to know each other.

Polly has revolutionized the mortgage industry with its modern, data-driven capital markets ecosystem. Banks, credit unions, and mortgage lenders nationwide trust Polly’s Product and Pricing Engine (PPE), Loan Trading Exchange, actionable data and analytics, and advanced AI/ML to automate and optimize the entire capital markets value chain, helping their secondary teams operate faster, smarter, and more profitably. Polly was founded in 2019 by a seasoned team of technology and mortgage experts and is headquartered in San Francisco, California.

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.