Senior Software Engineer, Backend

The job

LIVE Employer public job feed (private-sector employer) Source: the employer's public careers feed · Data: listed 2025-08-28

Job description

Hi, we're Oscar. We're hiring a Senior Software Engineer, Backend to join our Engineering team.

Oscar is the first health insurance company built around a full stack technology platform and a focus on serving our members. We started Oscar in 2012 to create the kind of health insurance company we would want for ourselves—one that behaves like a doctor in the family.

About the role

As a Senior Software Engineer, you will build reliable and maintainable applications, infrastructure, and interfaces that make interacting with the health care system easier for members and providers. You will work with partners, product managers, and designers to solve challenging problems. Senior Engineers collaborate with other engineers on the team to improve technology and apply best practices.

Work Location: This position is based in our Tempe, AZ office, requiring a hybrid work schedule with 3 days of in-office work per week. Thursdays are a required in-office day for team meetings and events, while your other two office days are flexible to suit your schedule. #LI-Hybrid

Pay Transparency: The base pay for this role is: $158,400 - $207,900 per year. You are also eligible for employee benefits, participation in Oscar's unlimited vacation program, company equity grants, and annual performance bonuses.

Responsibilities

• Become the expert on your team's business and technical domains.
• Lead the planning, execution and release of complex technical projects.
• Work with partners, product managers, and designers to solve challenging problems.
• Collaborate with other engineers on the team to improve technology and apply best practices.
• Implement step-wise technical migrations of our existing services and applications.
• Own small to medium features or infrastructure projects from technical design through completion with little required guidance.
• Independent contributor to their team. Work effectively across the codebase with appropriate guidance from code owners.
• Make steady, well-paced progress without requiring frequent significant feedback from more senior engineers.
• Compliance with all applicable laws and regulations
• Other duties as assigned

Qualifications

• 5+ years of professional software engineering experience, working with a variety of technologies, and have increasingly impactful accomplishments
• Experience proposing, experimenting, and iterating, whether it be a new shiny technology or an arcane, ill-conceived data structure; our company may be new, but the health industry isn't!
• Experience with technical contributions, improving the quality of what you create, and are excited to build fault-tolerant, and scalable software systems.
• Demonstrates solid understanding of the practical application of CS concepts within their team.
• Consistently writes stable, correct, and maintainable code with little oversight; writes modular, adaptable code with guidance.

Bonus Points

• Experience supporting libraries and writing in Python and Golang.
• Experience owning observability stack tooling, e.g. Grafana, BigQuery, Kubernetes.
• Experience working in data and engineering tooling, e.g. discovery libraries, data replication, data transfer tools, authentication, authorization libraries.

This is an authentic Oscar Health job opportunity.

At Oscar, being an Equal Opportunity Employer means more than upholding discrimination-free hiring practices. It means that we cultivate an environment where people can be their most authentic selves and find both belonging and support. We're on a mission to change health care -- an experience made whole by our unique backgrounds and perspectives.

Pay Transparency:  Final offer amounts, within the base pay set forth above, are determined by factors including your relevant skills, education, and experience. Full-time employees are eligible for benefits including: medical, dental, and vision benefits, 11 paid holidays, paid sick time, paid parental leave, 401(k) plan participation, life and disability insurance, and paid wellness time and reimbursements.

Artificial Intelligence (AI): Our AI Guidelines outline the acceptable use of artificial intelligence for candidates and detail how we use AI to support our recruiting efforts.

Reasonable Accommodation: Oscar applicants are considered solely based on their qualifications, without regard to applicant’s disability or need for accommodation. Any Oscar applicant who requires reasonable accommodations during the application process should contact the Oscar Benefits Team (accommodations@hioscar.com) to make the need for an accommodation known.

California Residents: For information about our collection, use, and disclosure of applicants’ personal information as well as applicants’ rights over their personal information, please see our Privacy Policy.

Explore around this job

Field: Technology Sub-niche: Software engineering All jobs at Oscar Health Jobs in Arizona Jobs in Tempe, AZ Tempe city guide Arizona state guide Maricopa County economy

View this job and apply on the employer's page →

You apply on the employer's page; AtiveSite does not receive or process applications and is not affiliated with the employer. The description above is shown as the source published it.

About the role

This is a — role in the Technology field (Software engineering) at Oscar Health.

We could not match this job title to one occupation in the official wage statistics, so no pay estimate is shown. Pay is not in the source listing; ask the employer for the range and compare in the 240 job niches.

Does the pay work here? (estimate)

How to prepare and behave

This is editorial guidance, not information from the employer.

• Read the whole description and match your examples to its requirements; use the same words the posting uses where they are true for you.
• Research the employer before the interview: what it does, who its customers are and recent news; prepare two or three questions about the work.
• Arrive early (or log in early for a video call), dress one step above the daily dress code, and test your camera and audio beforehand.
• Answer with short stories: the situation, what you did and the result. Give numbers when you have them and never invent them.
• Be honest about gaps; say what you did to learn and how fast you can close them.
• Ask about the team, the first 90 days, how success is measured and the schedule; do not open with salary and time off.
• When pay comes up, know the market range for the occupation and your lowest acceptable offer before you answer; ask for the full package in writing.
• Send a short thank-you message within a day, mentioning one thing you discussed.
• Have code, data work or projects you can show, and be ready to think aloud: many technical interviews test how you reason, not only the answer.

Know your rights as a candidate and an employee:

• U.S. Equal Employment Opportunity Commission: prohibited employment practices
• U.S. Department of Labor: Wage and Hour Division
• CareerOneStop (U.S. Department of Labor): job search help, interview tips and resumes
• USA.gov: avoiding job scams

The city

The job is in Tempe, AZ. Below is what the official statistics say about living and working there.

How Tempe compares. Among the 80 largest places in Arizona, Tempe is #9 by population, #78 for homeownership (#1 = highest), #10 for long commutes (#1 = fewest), #12 for college degrees (#1 = most). Its county, Maricopa County, is #2 of 15 counties for average pay ($73,840).

The place in numbers

Tempe has 188,065 residents (ACS 2020–2024), about 2.5% of the population of Arizona. It covers 40 square miles of land, which works out to roughly 4,704 people per square mile. The median age is 30.0, 23% younger than the state median (30.0 against 39.0).

Housing

The median gross rent is $1,743 a month (rent plus utilities), 13% above the state median ($1,743 against $1,543). Over a year that is 26.3% of the median household income. US housing guidance treats housing as affordable when it takes 30% of income or less, so the typical household is under that line. The median home value is $455,400, which is 5.7 times the median household income ($79,663); a ratio above 5 usually means buying is out of reach without savings or a second income. 42.3% of households own their home, 37% below the state average (42.3% against 67.4%). A low ownership share points to a rental-heavy market with more apartments and shorter stays.

Work and pay

The Phoenix-Mesa-Chandler, AZ metropolitan area has 2,375,760 jobs in the BLS wage survey, and the median pay across all occupations is $51,380 a year, about the same as the national median ($51,380 against $50,980). The biggest occupation groups are office and administrative support (295,910 jobs, median $48,120); sales and related (221,850 jobs, median $39,320); transportation and material moving (206,600 jobs, median $45,620). The area is most specialised in construction and extraction (1.4 times) and management (1.1 times), where the share of workers is above the national share. The best-paying groups with at least 5,000 jobs are management ($114,410) and computer and mathematical ($105,240). In 2026M09 the unemployment rate of Maricopa County was 4.1%. 71.9% of residents aged 16 and over are in the labour force. The city lies in Maricopa County; its jobs, pay by industry and GDP are on the county page.

Getting around

Among workers, 59.0% drive alone, 3.4% use public transit, 3.7% walk, 21.2% work from home. 7.2% of workers commute 45 minutes or more, 49% below the state average (7.2% against 14.2%).

People and education

50.0% of adults aged 25 and over hold a bachelor's degree or higher, 50% above the state share (50.0% against 33.3%). 14.4% of residents were born outside the United States, 11% above the state share (14.4% against 13.0%). The poverty rate is 15.8%, 27% above the state rate (15.8% against 12.5%).

Climate

The warmest month is Jul, averaging 93°F (33.9°C), and the coolest is Dec at 52°F (11.0°C). About 254 mm (10 inches) of precipitation falls in a year; Jan is the wettest month (33 mm) and Jun the driest (2 mm). These values come from NASA satellite-based climatology on a grid of about 50 km, so they describe the wider area, not a weather station in the city.

Nearby cities to compare

Closest cities in this guide: Chandler (9 miles, rent 9% higher); Paradise Valley (11 miles, rent 101% higher); Gilbert (12 miles, rent 21% higher); Mesa (12 miles, rent 7% lower). Rent differences are against Tempe; use the Compare tab to put any two cities side by side.

Full guide to Tempe →Arizona guideAll jobs in Tempe

Official links for Tempe

• Official website of Tempe: tempe.gov
• Census Bureau data profile for Tempe
• Official state website: az.gov
• BLS Economy at a Glance: Arizona

These links go to official sources and open in a new window. The first one is the government's or company's own site as listed in Wikidata (property "official website"); check it before relying on it.

Where to live

The job city has no coordinates we can place on the map, so no housing comparison is shown. Use the 250 largest cities table to compare rent and income.

Career paths

We could not match this title to one occupation, so here are the other sub-niches in Technology, where your skills may carry over:

Cybersecurity (469) Data, analytics and AI (2241) Cloud, IT and infrastructure (703) Product management (487)

Distances

This job has no single city we can place on the map (remote, flexible or unmatched location), so no distance table is shown. Browse all Technology jobs with distances from any of the 20 largest cities.

The employer

Oscar Health is the employer in this listing. See all its open jobs here →

We do not hold headcount or revenue for this employer. Check its careers site and, if it is listed on a stock exchange, its public filings (SEC EDGAR search).

What it is like to work at a company (culture, schedules, benefits) is not in the source data, so we do not describe it. Read the description and ask the questions under "How to prepare".

Other open jobs at Oscar Health

Similar jobs

Same sub-niche: Software engineering

More jobs in Tempe, AZ

All Software engineering jobs → · All Technology sub-niches →

FAQ

What is the Senior Software Engineer, Backend job at Oscar Health?

A private-sector role in technology (software engineering) listed 438 days ago. The full description is on this page and on the employer's page.

Where is this job?

Tempe, AZ.

How do I apply?

Use the "View this job and apply on the employer's page" button. AtiveSite does not receive applications.

How much does it pay?

The listing does not publish pay, and we could not match the title to one official occupation.

What is the cost of living there?

Median rent in Tempe is $1,743 a month and median household income $79,663 (ACS 2020–2024).

How old is this listing?

It was posted on 2025-08-28 (438 days ago). Jobs older than 90 days are not shown.

Are there similar jobs?

Yes: browse software engineering jobs in Arizona.

Sources and terms

• Job data: Oscar Health careers page public feed (listing dated 2025-08-28). The job disappears from this site when it disappears from the source.
• Wages and projections: BLS OEWS (May 2025) and Employment Projections 2025–35.
• City and county figures: Census Bureau ACS 2020–2024, BEA, BLS QCEW and LAUS, NASA POWER climatology; distances from Census Gazetteer coordinates.

AtiveSite is not affiliated with or endorsed by the employer or any government agency, and does not process applications. Verify every detail with the employer before acting.

Sources

• BLS OEWS (wages and employment by occupation, May 2025)
• BLS Employment Projections 2025–35
• BLS Local Area Unemployment Statistics
• BLS JOLTS
• BLS State and Metro Area Employment
• Census Bureau American Community Survey (via Census Reporter)
• BEA GDP by state and Regional Price Parities
• IRS 2026 tax adjustments
• U.S. Department of Labor, minimum wage by state
• Tax Foundation state income tax rates 2026
• USAJOBS
• USCIS
• U.S. Department of State, visas
• NASA POWER climatology
• GeoNames / Census Gazetteer (coordinates)