Investigator at OfferUp

| Bellevue
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OfferUp is dedicated to building the simplest and most trustworthy way for people to buy and sell in their communities. Every year, millions of people use OfferUp to buy and sell locally, resulting in billions of dollars of local commerce. As the largest mobile marketplace for local buyers and sellers in the U.S., our iOS and Android app has been in the top five most popular shopping apps lists for more than three years. Join us as we build the marketplace of the future and reinvent local commerce by helping consumers uncover value through simplicity and trust. 

At a Glance

  • 85M+ Downloads
  • Geekwire App of Year
  • 15+ percent of adults in key markets like Los Angeles, Seattle, Miami and Las Vegas use OfferUp every month 

About the role:

The OfferUp Law Enforcement Investigations Team plays a critical role in making OfferUp the safest, most trusted local marketplace. This group of fearless crime fighters works closely with our Legal, Customer Service, and Analytics teams and with our partners at law enforcement agencies across the country to identify bad actors, remove them from our marketplace, and help local police and prosecutors bring them to justice! 

We’re seeking to add an Investigator to help keep our marketplace safe. This position will work under the direction of the Sr. Investigations Manager to investigate reported or suspected crime and fraud and work with Law Enforcement to identify and prosecute the bad actors. This role is open to both experienced investigators and highly-motivated individuals who are willing to work hard to get up to speed quickly.

Here’s more of what you will get to do:

  • Conduct investigations on reported crime/fraud in the OfferUp marketplace
  • Work with law enforcement on criminal investigations and prosecutions
  • Build incidents in the case management system with a high level of accuracy and quality, ensuring that all critical data fields are completed consistently
  • Manage sensitive and confidential case information
  • Utilize data and leverage technology from multiple internal and other investigative sources to initiate, document, and resolve investigations
  • Support the crisis response process during escalated incidents
  • Stay current on all cybercrime trends and investigative techniques
  • Collaborate, and develop cross-functional partnerships with internal teams
  • Actively engage with OfferUp leadership to ensure they are kept apprised of any significant risks or changes identified during the handling of an incident
  • Prepare timely, detailed, and accurate and investigation reports, executive summaries, Incidents of Interest and other documents, supported by evidence collected as a result of the investigation
  • Monitor social media and media reports and work with relevant teams to respond and resolve matters immediately

You’ll thrive in this role if you have:

  • Ability to work weekends, holidays, evenings, and varying shift
  • Bachelor's degree, or equivalent job experience
  • Demonstrated ability to quickly analyze data, find patterns, and make accurate decisions with little guidance
  • Ability to thrive in a fast-paced, ever-changing environment
  • Ability to define problems, collect data, establish facts, and draw valid conclusions
  • Self-motivation and ability to switch gears at a moment's notice
  • Instinctive curiosity and desire to dig deeper into details
  • Excellent communication, verbal, and writing skills
  • Ability to maintain a high level of confidentiality and data security standards
  • Ability to research, orally communicate and write reports, business correspondence and procedure manuals clearly and concisely, effectively present information and respond to questions.

Helpful, but not required:

  • Experience with criminal investigations, Trust and Safety, law enforcement, LE support, or retail loss prevention a plus
  • Bilingual a plus
  • Legal experience a plus

OfferUp is changing the way people buy and sell locally and we’ve built a dynamic team to do it. To learn more about what it’s like to work at OfferUp, check out our blog:

OfferUp provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, OfferUp complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation, and training.

OfferUp expressly prohibits any form of workplace harassment based on race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. Improper interference with the ability of OfferUp’s employees to perform their job duties may result in discipline up to and including discharge.

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Technology we use

  • Engineering
    • JavaLanguages
    • JavascriptLanguages
    • PythonLanguages
    • SqlLanguages
    • ReactLibraries
    • AngularJSFrameworks
    • Backbone.jsFrameworks
    • DjangoFrameworks
    • FlaskFrameworks
    • Node.jsFrameworks
    • RedisDatabases


Nestled just south of downtown Bellevue with quick access to local highways- perfect to walk out to our daily foodtrucks or around Mercer Slough Park.

An Insider's view of OfferUp

What's something quirky about your company?

This may seem silly, but we have a 90lb MMA dummy our CEO bought and named Pat. On a daily basis, someone will take Pat and figure out creative ways to scare some folks in the office. How do I know? I am Pat.


Office Morale Booster (Ex-MMA Trainer)

What does your typical day look like?

One of the great things about OfferUp is that no two days look the same. The only thing you will see me do every day at the same time is plank at 3 p.m. with my team. Otherwise, who knows?


Software Development Engineer

What makes someone successful on your team?

Like many engineers, one of my favorite parts of being in tech is using my creativity and logic to create something new, especially here at OfferUp where what we create has the ability to help the environment and enable people to support their own businesses.


Software Development Engineer

What is your vision for the company?

OfferUp will continue to be the premier local mobile marketplace for buying and selling, but there will likely be more and better e-commerce opportunities with the onset of new delivery technologies. OfferUp has such unique purpose and is leading the transformation of how consumers buy and sell locally. I'm delighted to be a part of the team.


Chief Financial Officer

How would you describe the company’s work-life balance?

Work/life balance is fantastic at OfferUp, especially for a startup! Sure, there are some days you may need to stay late- but everyone is pitching in here and understands the importance of recharging and resetting.



What are OfferUp Perks + Benefits

Health Insurance & Wellness Benefits
Flexible Spending Account (FSA)
Disability Insurance
Dental Benefits
Vision Benefits
Health Insurance Benefits
Life Insurance
Onsite Gym
Retirement & Stock Options Benefits
Company Equity
Vacation & Time Off Benefits
Unlimited Vacation Policy
Perks & Discounts
Casual Dress
Commuter Benefits
Company Outings
Game Room
Stocked Kitchen
Some Meals Provided
Lunch provided on Tuesdays and Fridays!
Recreational Clubs
Relocation Assistance
Professional Development Benefits
Diversity Program
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