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29,861 Unicorns jobs

Open roles at unicorns — private companies valued at over $1 billion.

29.9K jobs
Reddit Backed by a16zBacked by Sequoia
35 views 12 hours ago

Staff Machine Learning Engineer, Retrieval

Open 37d RemoteNorth AmericaContractStaff Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Staff ML engineer providing technical leadership for Reddit's Ads Retrieval team — designing and shipping large-scale candidate-generation and retrieval models (two-tower, embeddings, ANN search) that determine which ads compete before ranking and auction. 100% remote within the US; base salary $230k–$322k plus equity.

AI Data Science Deep Learning Embeddings Machine Learning +5 skills
230K – 322K $
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Reddit Backed by a16zBacked by Sequoia
69 views 12 hours ago

Frontend Engineer, Ads Campaign Manager

Open 24d RemoteNorth AmericaContractMiddle Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Mid-level frontend engineer on Reddit's Ads Manager team building advertiser-facing tools for creating and managing ad campaigns on ads.reddit.com. Day to day: owning medium-sized frontend projects end to end — technical design, implementation, testing, and release — while collaborating with PMs, designers, and backend engineers on performance and reliability.

164K – 230K $
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Reddit Backed by a16zBacked by Sequoia
7 views 12 hours ago

Chief of Staff, Global Sales

Open 21d North AmericaContractC-level Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…
Apply
Reddit Backed by a16zBacked by Sequoia
31 views 12 hours ago

Staff Data Scientist, Ads

Open 134d RemoteNorth AmericaContractStaff Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
Canada

Build and refine Reddit’s ad-measurement and identity systems using probabilistic modeling, causal inference, and ML to improve advertiser ROAS and privacy-safe targeting.

A/B Testing AI Causal Inference Data Science Machine Learning +4 skills
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Reddit Backed by a16zBacked by Sequoia
40 views 12 hours ago

Staff Data Scientist, Ads

Open 134d RemoteNorth AmericaContractStaff Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Staff Data Scientist on Reddit’s Ads team building identity resolution, lift measurement, and predictive models to improve ad performance and advertiser ROI.

A/B Testing AI Causal Inference Data Science Machine Learning +4 skills
217K – 304K $
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Reddit Backed by a16zBacked by Sequoia
39 views 12 hours ago

Senior Product Manager, Ads - Shopping Catalogs

Open 73d RemoteNorth AmericaContractSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Own the Product Catalogs and Applied Product Knowledge Graph that power Reddit’s paid and organic shopping ads, driving ROAS and product discovery through AI-driven enrichment and automation.

Agentic AI AI Automation E-commerce Feature Engineering +3 skills
191K – 267K $
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Reddit Backed by a16zBacked by Sequoia
39 views 12 hours ago

Senior Data Scientist, Ads

Open 72d RemoteNorth AmericaContractSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Build and apply ML models to improve Reddit’s ad platform, analyzing large-scale data to drive advertiser performance and platform growth.

A/B Testing AI Anomaly Detection BigQuery Causal Inference +12 skills
191K – 267K $
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Reddit Backed by a16zBacked by Sequoia
44 views 12 hours ago

Staff Android Engineer, Brand Ad Formats

Open 72d RemoteNorth AmericaContractStaff Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Lead Android engineering for Reddit’s video and interactive ad formats, defining technical strategy and mentoring teams to build scalable, high-performance mobile ad experiences.

AI Android BigQuery Firebase Generative AI +4 skills
217K – 304K $
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Reddit Backed by a16zBacked by Sequoia
16 views 12 hours ago

Senior Client Account Manager, Global Strategic Accounts (Tech/AI)

Open 57d North AmericaContractSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…
Apply
Reddit Backed by a16zBacked by Sequoia
7 views 12 hours ago

Senior Client Partner, Large Customer Sales (Big Box Retail)

Open 54d North AmericaContractSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…
Apply
Reddit Backed by a16zBacked by Sequoia
43 views 12 hours ago

Staff Product Manager, Ads Formats

Open 54d RemoteNorth AmericaContractStaff Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

The Staff Product Manager will lead the strategy and execution for Reddit's ad formats and browser experiences, collaborating with engineering, design, and data science teams to optimize ad performance. This role focuses on driving foundational investments and lower-funnel ad formats to deliver value for advertisers and users.

AI Data Science Go-to-Market
217K – 304K $
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Reddit Backed by a16zBacked by Sequoia
10 views 12 hours ago

Account Executive, Mid-Market (DACH)

Open 17d EuropeContractMiddle Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
Netherlands

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…

Paid Social
Apply
Reddit Backed by a16zBacked by Sequoia
11 views 12 hours ago

Senior Account Executive, Mid-Market (DACH)

NewBe an early applicant EuropeContractSenior Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
Netherlands

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…

Paid Social
Apply
Klaviyo Backed by Accel
2 views 17 hours ago

Senior Software Engineer - Data Automation

NewBe an early applicant North AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
United States

Senior engineer on Klaviyo's Data Automation team, designing, building, and operating mission-critical analytics infrastructure and tooling that helps data platform engineers provision and use infrastructure at massive scale. Core stack: AWS, Terraform, Python, Kubernetes, ClickHouse, Kafka, and Spark/Flink stream processing.

AI Airflow Analytics Automation AWS +16 skills
148K – 222K $
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Klaviyo Backed by Accel
9 views 17 hours ago

Senior Software Engineer - Identity and Access Management

Open 38d North AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
United States

Senior engineer on Klaviyo's Identity and Access Management team, leading business-critical auth projects end to end — building secure, reliable services for authentication, authorization, delegation, auditing, and revocation for users, AI agents, and machines. Hands-on work is in Go or Python production services, with a base salary of $148k–$222k.

Agentic AI AI API Authentication AWS +9 skills
148K – 222K $
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Klaviyo Backed by Accel
6 views 17 hours ago

Customer Support Specialist, Bilingual English & Japanese

Open 106d APAC H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
Australia

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and…

AI API DNS E-commerce Email Marketing +4 skills
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MX Technologies, Inc.
2 views 17 hours ago

Enterprise Account Executive

NewBe an early applicant North America H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

MX is a fintech company on a mission to empower the world to be financially strong. We build technology that helps banks, credit unions, and fintechs deliver smarter, more intuitive financial experiences to millions of…

Account Executive
Apply
Klaviyo Backed by Accel
14 views 17 hours ago

Senior Software Engineer, Platform Engineering

Open 121d North AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
United States

Designs and maintains foundational platform services (Python/Go, AWS, Kubernetes) to improve scalability, availability, and developer efficiency for Klaviyo’s engineering teams, enabling faster product delivery.

AI API AWS Cloud Cloud Native +11 skills
148K – 222K $
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Klaviyo Backed by Accel
18 views 17 hours ago

Senior Software Engineer - Infrastructure Security

Open 124d North AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Ireland permit employer — This employer was issued Irish employment permits this year or in the two years before, per the Department of Enterprise, Tourism and Employment. The permits belong to the employer and are not a commitment to sponsor this role.
United States

Senior Software Engineer builds and maintains cloud-native security platforms and services at Klaviyo, enabling engineers to ship secure software efficiently using Python, Go, AWS, Kubernetes, and Terraform.

Agile AI API Automation AWS +26 skills
148K – 222K $
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MX Technologies, Inc.
4 views 17 hours ago

Account Executive, Wealth Management

NewBe an early applicant North America H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

MX is a fintech company on a mission to empower the world to be financially strong. We build technology that helps banks, credit unions, and fintechs deliver smarter, more intuitive financial experiences to millions of…

Account Executive Business Development CRM Fintech Pipeline Management +2 skills
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