Backend Engineer

Oscar; Boston (MA); Hybrid; USD 140,000 - 170,000; Full time

Benefits offered by this job

Health insurance

Dental coverage

Vision coverage

HSA

FSA

Holidays

Career growth resources

Flexible PTO

Work-from-anywhere policy

Job summary

Oscar is seeking a Backend Engineer to build scalable APIs powering its AI platform for enterprise and developers. You will design, implement, and operate robust backend services with Python, focusing on performance and reliability.

This hybrid role based in Boston offers $140,000 to $170,000 base salary plus equity, with core in-office days and flexible remote options. Health benefits, PTO, and career growth resources are included.

Qualifications

• Strong experience with object-oriented Python.
• Experience designing and building APIs in production environments.
• Proven ability to collaborate effectively within engineering teams.
• Experience building greenfield systems and scaling existing products.

Responsibilities

• Develop and iterate on early-stage products that are key to the company's success.
• Expand the capabilities and use cases supported by the company's APIs.
• Improve scalability, reliability, and performance across core systems.
• Establish strong architectural foundations for long-term growth.
• Accelerate the company's ability to serve both B2B and B2C customers.
• Collaborate with engineers and product leaders to scope, design, and execute API projects.
• Design, build, test, and deploy API features and improvements.
• Maintain and operate production APIs to ensure reliability and performance.
• Debug issues and continuously improve system stability and scalability.
• Contribute to team knowledge through mentorship, demos, and technical discussions.

Skills

Python (OOP)

API design

Team collaboration

Greenfield systems

Job description

Salary: $140,000 to $170,000 Base + Equity

Position: Permanent, Full-Time

About the Opportunity

We are working with a technology company that is building an AI-powered platform for enterprise and developer customers. The company is looking for a Backend Engineer to help build and scale its Developer and Enterprise APIs. This is a critical role in bringing the company's AI models to market through robust, scalable APIs. The work directly impacts both product velocity and the company's ability to serve enterprise and developer customers.

Key Responsibilities

• Develop and iterate on early-stage products that are key to the company's success.
• Expand the capabilities and use cases supported by the company's APIs.
• Improve scalability, reliability, and performance across core systems.
• Establish strong architectural foundations for long-term growth.
• Accelerate the company's ability to serve both B2B and B2C customers.
• Collaborate with engineers and product leaders to scope, design, and execute API projects.
• Design, build, test, and deploy API features and improvements.
• Maintain and operate production APIs to ensure reliability and performance.
• Debug issues and continuously improve system stability and scalability.
• Contribute to team knowledge through mentorship, demos, and technical discussions.

Required Skills & Experience

• Strong experience with object-oriented Python.
• Experience designing and building APIs in production environments.
• Proven ability to collaborate effectively within engineering teams.
• Experience building greenfield systems and scaling existing products.

Why Consider This Opportunity?

• Salary of $140,000 to $170,000, plus equity.
• Hybrid work in Boston, MA, with core in-office days and flexible remote options.
• Full health, dental, and vision coverage, plus HSA, FSA, 15 holidays, and professional growth resources.
• Flexible PTO, with a strong culture of taking it.
• Regular leadership and industry learning sessions.
• Support for career development and continued learning.
• Up to 8 weeks work-from-anywhere policy.
• A deeply inclusive, human-centered culture.