Senior Data Science Engineer Visa Sponsorship Jobs in Washington DC
Washington DC's senior data science engineer market is anchored by federal agencies, defense contractors, and policy-driven tech organizations. Employers like Booz Allen Hamilton, Deloitte, Leidos, and Amazon Web Services regularly hire senior data science engineers in the DC metro area and have established visa sponsorship programs for qualified international candidates.
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Did you know Hopper's technology powers some of the largest travel portals in the world? Our Hopper Technology Solutions (HTS) platform drives travel purchases for major global brands — from banks to airlines to fintech leaders. This platform is essentially a configurable, multi-tenant travel commerce engine, enabling partners to launch world-class hotel and travel booking experiences faster, with less custom engineering. We’re looking for a senior software engineer who has adopted the best practices in terms of AI-assisted coding. You are not using AI to auto-complete your code; you are using multiple agents to autonomously deliver features at a speed that was impossible a few months ago. You understand well the strengths and weaknesses of LLMs, and you know how to build a feedback loop and guardrails to get the best out of them.
Tech stack
- Our backend systems are written in Scala, and we use a suite of GCP services
- Our frontends are web apps using react + typescript
What Your Day-to-day Would Look Like
- Identify and execute improvements to the code base to allow agents to go faster and safer.
- Work with a group of top-tier engineers in a low-process environment powered by trust and high autonomy.
- Drive decisions and consensus asynchronously by leveraging AI to author the thoughtful documentation and specifications that guide the team.
- Ship fast. Learn fast. Repeat. Orchestrate AI agents to build new features from top to bottom, from UX to database, with minimal oversight.
- Architect the scalable solutions and foundational patterns that allow us to efficiently launch new portals.
- Proven experience training, deploying and iteratively optimizing LLMs to power complex product features.
- Work directly with PMs and business partners to define and refine our roadmap; your voice and technical vision matter.
- Collaborate with a diverse group of people, giving and receiving the high-level feedback necessary for growth.
An ideal candidate has
- A natural drive to fearlessly deep dive into an unknown code base while keeping their eyes on the goal to deliver results fast.
- Proven ability to direct AI agents and automated workflows to architect, implement, and maintain complex software systems with minimal human intervention.
- Expertise in designing the technical guardrails and automated feedback loops that maximize the productivity and reliability of AI agents operating within the codebase.
- Strong product thinking where your conception of quality and architecture is inherently anchored in the customer experience.
- Experience with, or a mastery-level willingness to learn, distributed system development in Scala.
Perks and Benefits of working with us
- Well-funded and proven startup with large ambitions, competitive salary and the upsides of pre-IPO equity packages.
- Unlimited PTO.
- Carrot Cash travel stipend.
- Access to co-working space on demand through FlexDesk AND Work-from-home stipend.
- Please ask us about our very generous parental leave, much above industry standards!.
- Entrepreneurial culture where pushing limits and taking risks is everyday business.
- Open communication with management and company leadership.
- Small, dynamic teams = massive impact.
- 100% employer paid Medical, Dental and Vision coverage for employees.
- Access to Disability & Life insurance.
- Health Reimbursement Account (HRA).
- DCA/ FSA and access to 401k plan.
More About Hopper
At Hopper, we are on a mission to become the leading travel platform globally – powering Hopper’s mobile app, website and our B2B business, HTS (Hopper Technology Solutions). By leveraging massive amounts of data and advanced machine learning algorithms, Hopper combines its world-class travel agency offering with proprietary fintech products to bring transparency, flexibility and savings to travelers globally. We have developed several unique fintech solutions that address everything from pricing volatility to trip disruptions – helping people travel better and save more on their trips. The Hopper platform serves hundreds of millions of travelers globally and continues to capture market share around the world. The Hopper app has been downloaded over 120 million times and has become largely popular among younger travelers – with 70% of its users being Gen Z and millennials. While everyone knows us as the Gen Z and Millennial travel app, Hopper has evolved to become much more than that. In recent years, we’ve grown into a travel fintech provider, commerce platform, and global travel agency that powers some of the world’s largest brands. Through HTS, our B2B division, the company supercharges its partners’ direct channels by integrating our fintech products on their sites or powering end-to-end travel portals. Today, our partners include leading travel brands like Capital One, Nubank, Air Canada, and many more.
Here are just a few stats that demonstrate the company’s recent growth:
- Billions of dollars worth of travel and travel fintech are sold through Hopper and HTS’ channels every year.
- Our fintech products – including Cancel for Any Reason and Flight Disruption Assistance – have exceptionally strong CSAT because the terms are always clear, and customers receive instant, no-questions-asked resolutions.
- Almost 30% of our app customers purchase at least one fintech product when making a booking; and consumers are 1.6x more likely to repurchase if they add fintech to their booking vs if they booked just travel.
- Given the success of its fintech products, Hopper launched a B2B initiative, HTS (Hopper Technology Solutions), which represents more than 75% of the business. Through HTS, any travel provider (airlines, hotels, banks, travel agencies, etc.) can integrate and seamlessly distribute Hopper’s fintech or travel inventory on their direct channels.
- As its first HTS partnership, the company partnered with Capital One to co-develop Capital One Travel, a new travel portal designed specifically for cardholders. Other HTS partners include Air Canada, Uber, CommBank, Nubank, Flair Airlines and many more.
- Hopper has been named the #1 most innovative company in travel by Fast Company.
- Hopper has been downloaded over 120 million times and continues to have millions of new installs each month.
- Hopper is now the #3 largest online travel agency in North America and 70% of our app customers are Gen-Z and millennials travelers.
- Hopper has raised over $750 million USD of private capital and is backed by some of the largest institutional investors and banks in the world.
- HTS is primed to continue its growth as the leading travel ecommerce provider in a $1 trillion online shopping category. The Hopper app and website will also continue to be the preferred travel provider for Gen Z and Millennials. Come take off with us!
Compensation Range: $150K - $250K
About The Job
Did you know Hopper's technology powers some of the largest travel portals in the world? Our Hopper Technology Solutions (HTS) platform drives travel purchases for major global brands — from banks to airlines to fintech leaders. This platform is essentially a configurable, multi-tenant travel commerce engine, enabling partners to launch world-class hotel and travel booking experiences faster, with less custom engineering. We’re looking for a senior software engineer who has adopted the best practices in terms of AI-assisted coding. You are not using AI to auto-complete your code; you are using multiple agents to autonomously deliver features at a speed that was impossible a few months ago. You understand well the strengths and weaknesses of LLMs, and you know how to build a feedback loop and guardrails to get the best out of them.
Tech stack
- Our backend systems are written in Scala, and we use a suite of GCP services
- Our frontends are web apps using react + typescript
What Your Day-to-day Would Look Like
- Identify and execute improvements to the code base to allow agents to go faster and safer.
- Work with a group of top-tier engineers in a low-process environment powered by trust and high autonomy.
- Drive decisions and consensus asynchronously by leveraging AI to author the thoughtful documentation and specifications that guide the team.
- Ship fast. Learn fast. Repeat. Orchestrate AI agents to build new features from top to bottom, from UX to database, with minimal oversight.
- Architect the scalable solutions and foundational patterns that allow us to efficiently launch new portals.
- Proven experience training, deploying and iteratively optimizing LLMs to power complex product features.
- Work directly with PMs and business partners to define and refine our roadmap; your voice and technical vision matter.
- Collaborate with a diverse group of people, giving and receiving the high-level feedback necessary for growth.
An ideal candidate has
- A natural drive to fearlessly deep dive into an unknown code base while keeping their eyes on the goal to deliver results fast.
- Proven ability to direct AI agents and automated workflows to architect, implement, and maintain complex software systems with minimal human intervention.
- Expertise in designing the technical guardrails and automated feedback loops that maximize the productivity and reliability of AI agents operating within the codebase.
- Strong product thinking where your conception of quality and architecture is inherently anchored in the customer experience.
- Experience with, or a mastery-level willingness to learn, distributed system development in Scala.
Perks and Benefits of working with us
- Well-funded and proven startup with large ambitions, competitive salary and the upsides of pre-IPO equity packages.
- Unlimited PTO.
- Carrot Cash travel stipend.
- Access to co-working space on demand through FlexDesk AND Work-from-home stipend.
- Please ask us about our very generous parental leave, much above industry standards!.
- Entrepreneurial culture where pushing limits and taking risks is everyday business.
- Open communication with management and company leadership.
- Small, dynamic teams = massive impact.
- 100% employer paid Medical, Dental and Vision coverage for employees.
- Access to Disability & Life insurance.
- Health Reimbursement Account (HRA).
- DCA/ FSA and access to 401k plan.
More About Hopper
At Hopper, we are on a mission to become the leading travel platform globally – powering Hopper’s mobile app, website and our B2B business, HTS (Hopper Technology Solutions). By leveraging massive amounts of data and advanced machine learning algorithms, Hopper combines its world-class travel agency offering with proprietary fintech products to bring transparency, flexibility and savings to travelers globally. We have developed several unique fintech solutions that address everything from pricing volatility to trip disruptions – helping people travel better and save more on their trips. The Hopper platform serves hundreds of millions of travelers globally and continues to capture market share around the world. The Hopper app has been downloaded over 120 million times and has become largely popular among younger travelers – with 70% of its users being Gen Z and millennials. While everyone knows us as the Gen Z and Millennial travel app, Hopper has evolved to become much more than that. In recent years, we’ve grown into a travel fintech provider, commerce platform, and global travel agency that powers some of the world’s largest brands. Through HTS, our B2B division, the company supercharges its partners’ direct channels by integrating our fintech products on their sites or powering end-to-end travel portals. Today, our partners include leading travel brands like Capital One, Nubank, Air Canada, and many more.
Here are just a few stats that demonstrate the company’s recent growth:
- Billions of dollars worth of travel and travel fintech are sold through Hopper and HTS’ channels every year.
- Our fintech products – including Cancel for Any Reason and Flight Disruption Assistance – have exceptionally strong CSAT because the terms are always clear, and customers receive instant, no-questions-asked resolutions.
- Almost 30% of our app customers purchase at least one fintech product when making a booking; and consumers are 1.6x more likely to repurchase if they add fintech to their booking vs if they booked just travel.
- Given the success of its fintech products, Hopper launched a B2B initiative, HTS (Hopper Technology Solutions), which represents more than 75% of the business. Through HTS, any travel provider (airlines, hotels, banks, travel agencies, etc.) can integrate and seamlessly distribute Hopper’s fintech or travel inventory on their direct channels.
- As its first HTS partnership, the company partnered with Capital One to co-develop Capital One Travel, a new travel portal designed specifically for cardholders. Other HTS partners include Air Canada, Uber, CommBank, Nubank, Flair Airlines and many more.
- Hopper has been named the #1 most innovative company in travel by Fast Company.
- Hopper has been downloaded over 120 million times and continues to have millions of new installs each month.
- Hopper is now the #3 largest online travel agency in North America and 70% of our app customers are Gen-Z and millennials travelers.
- Hopper has raised over $750 million USD of private capital and is backed by some of the largest institutional investors and banks in the world.
- HTS is primed to continue its growth as the leading travel ecommerce provider in a $1 trillion online shopping category. The Hopper app and website will also continue to be the preferred travel provider for Gen Z and Millennials. Come take off with us!
Compensation Range: $150K - $250K
Senior Data Science Engineer Job Roles in Washington DC
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Search Senior Data Science Engineer Jobs in Washington DCSenior Data Science Engineer Jobs in Washington DC: Frequently Asked Questions
Which companies sponsor visas for senior data science engineers in Washington DC?
Federal contractors and consulting firms dominate sponsorship activity for senior data science engineers in DC. Booz Allen Hamilton, Leidos, Deloitte, SAIC, and Accenture Federal Services are among the most consistent sponsors in this market. Large tech employers with DC-area offices, including Amazon Web Services and Microsoft, also file H-1B petitions for senior data science engineering roles regularly.
Which visa types are most common for senior data science engineer roles in Washington DC?
The H-1B is the most common work visa for senior data science engineers in DC, as the role typically qualifies as a specialty occupation requiring a bachelor's degree or higher in computer science, statistics, or a related field. Some employers also sponsor L-1A or L-1B transfers for candidates already employed abroad by a related entity. Candidates with extraordinary ability may pursue the O-1A.
How to find senior data science engineer visa sponsorship jobs in Washington DC?
Migrate Mate filters job listings specifically by visa sponsorship eligibility, making it straightforward to find senior data science engineer roles in Washington DC without sorting through positions that don't sponsor. You can filter by location and role type to surface active openings from federal contractors, consulting firms, and tech employers that have a documented history of sponsoring international candidates in the DC metro area.
Which areas in Washington DC have the most senior data science engineer sponsorship jobs?
Most sponsorship activity for senior data science engineers is concentrated in the broader DC metro area rather than the District itself. The Northern Virginia corridor, particularly Tysons, McLean, and Arlington, hosts a dense cluster of defense contractors and tech firms. Bethesda and Rockville in Maryland are also significant hubs, driven by federal health agencies including the NIH and FDA.
Are there any DC-specific considerations for senior data science engineer visa sponsorship?
DC's market is unusually government-adjacent, which creates one important consideration: many senior data science engineer roles with federal contractors require a security clearance. Non-US citizens are generally not eligible for clearances, which can narrow the pool of sponsoring employers. Candidates should focus on commercial divisions of consulting firms or pure-play tech companies in the area, where clearance requirements are less common.
What is the prevailing wage for sponsored senior data science engineer jobs in Washington DC?
U.S. employers sponsoring a visa must pay at least the prevailing wage, which is what workers in the same role, area, and experience level typically earn. The Department of Labor sets this rate to make sure companies aren't hiring foreign workers simply because they'd accept lower pay than a U.S. worker. It varies by job title, location, and experience. You can look up current prevailing wage rates for any occupation and location using the OFLC Wage Search page.
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