Source Job

$260,800–$365,100/yr
US

  • Serve as the technical anchor for our ads product engineering efforts.
  • Define how Reddit builds ads products for the next 3-5 years.
  • Solve hard technical and organizational problems.

Frontend Backend API Design Architecture

20 jobs similar to Principal Software Engineer, Ads

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US Canada

  • Coach, Motivate, Build, Hire, and Lead a world-class team of passionate Infrastructure engineers with a knack for high scale/high performance data pipelines and storage systems
  • Lead, coordinate, and execute a coherent vision for a ruthlessly prioritized infrastructure roadmap based on business needs
  • Set and support a culture of data-informed decision making, with efficient processes and strong transparency

Reddit is a community of communities built on shared interests, passion, and trust, and is home to open and authentic conversations. With 100,000+ active communities and approximately 116 million daily active unique visitors, Reddit is one of the internet’s largest sources of information.

Canada US

Lead teams in the development of our integrated marketing platform and have a direct impact on the success of our company. Work with large data sets and have exposure to modern tech stacks React, Typescript, Ruby on Rails, GraphQL, Golang and more. Lead the teams responsible for building and evolving the core platforms that power StackAdapt’s products and engineering organization.

StackAdapt is the leading technology company that empowers marketers to reach, engage, and convert audiences with precision.

US

  • Collaborate with product managers, designers, and other engineers to understand requirements and translate them into working software.
  • Design, build and ship full-stack features across frontend and backend services.
  • Own services end‑to‑end: technical design, implementation, testing, observability, SLOs, incident response, and iterative hardening.

Reddit is a community of communities, built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. With 100,000+ active communities and approximately 116 million daily active unique visitors, Reddit is one of the internet’s largest sources of information.

$179,004–$312,588/yr
US Canada

  • Drive projects from ideation to production using the full technology stack.
  • Architect, design, and implement features for our mission-critical online ad platform at massive scale with data-driven iteration.
  • Identify high impact features that achieve engineering and revenue goals, and be able to explain rationale for your decisions.

Quora’s mission is to grow the world's collective intelligence with a global knowledge sharing platform and a platform to chat with AI language models.

  • Establish the technical vision for personalization.
  • Solve the company’s most complex ML challenges and influencing strategy, architecture, and innovation across teams.
  • Design and implement advanced ML solutions using cutting-edge techniques .

Launch Potato is a profitable digital media company that reaches over 30M+ monthly visitors through brands such as FinanceBuzz, All About Cookies, and OnlyInYourState.

$266,000–$372,400/yr
US

  • Deliver on technical initiatives that have significant company-wide impact.
  • Set technical direction for the broader ML and Search teams at Reddit, able to identify opportunities and influence strategy for all of Reddit.
  • Mentor and grow Staff and Senior Staff engineers and create a strong healthy engineering culture.

Reddit is the place where people come together to have the most authentic and interesting conversations on the internet—Whether you’re into video games, world news, or skincare, there’s a community on Reddit that’s perfect for you. Reddit has over 100,000 active communities and approximately 116 million daily active unique visitors.

$189,507–$320,613/yr
Global

  • Improve our existing machine learning systems using your core coding skills and ML knowledge
  • Take end to end ownership of machine learning systems - from data pipelines, feature engineering, candidate extraction, model training, as well as integration into our production systems
  • Apply state-of-the-art machine learning algorithms at scale and serving for next-generation targeting and bidding products that directly impact the company’s top line metrics

Quora's mission is to grow the world's collective intelligence with 300M monthly unique visitors on their knowledge sharing platform and millions of users on Poe, where they can chat, explore and build with a wide variety of AI language models (bots). They have passionate, collaborative, and high-performing global teams and a culture rooted in transparency, idea-sharing, and experimentation.

US

Own the vision, strategy, and roadmap for Fetch’s ML-driven ads ranking and personalization systems across all surfaces. Define the optimization framework balancing Fetch’s goals, advertiser objectives, and consumer experience ensuring ranking improves overall marketplace health. Partner with cross-functional PMs to translate advertiser outcomes (e.g., reach, ROAS, purchases) into ranking objectives and optimization strategies.

Fetch empowers consumers to live rewarded throughout their day through their rewards app, by allowing users to earn rewards for buying brands they love.

US

  • Lead and develop a team of 9+ engineers across backend, data engineering, and mobile domains.
  • Own the technical roadmap for Paid MarTech, prioritizing scaling existing systems and building self-serve tooling for marketing teams.
  • Partner with Marketing, Product, Analytics, and other engineering teams to align priorities, gather requirements, and deliver impactful technical solutions.

This position is posted by Jobgether on behalf of a partner company.

$232,500–$365,100/yr
US

  • Identify gaps in product strategy, suggest solutions, and drive alignment.
  • Partner with the CPO to refine ideas, coordinate experimentation, and provide data-backed recommendations.
  • Solve product issues, anticipate roadblocks, and proactively address them to maintain momentum.

Reddit is a community of communities built on shared interests, passion, and trust. It is home to open and authentic conversations on the internet, with 100,000+ active communities and millions of daily active unique visitors, making it one of the internet’s largest sources of information.

$200,000–$225,000/yr
US Unlimited PTO 12w maternity 4w paternity

  • Assess platforms and modernize the core technology platform.
  • Lead distributed engineering teams and establish engineering practices.
  • Partner with business leaders to translate strategy into a technology roadmap.

StackCommerce is the leading commerce content platform serving 1,000+ premium publishers, including Mashable, Entrepreneur, and the NY Post. As a TPG portfolio company, they operate a portfolio of commerce brands, including BrandCycle, Reviewed, and StackSocial and have a remote-first culture.

$175,000–$210,000/yr
US

  • Partner with executives and engineering leadership to assess current and future hiring needs.
  • Manage the candidate journey from sourcing handoff to offer stage, ensuring a seamless experience.
  • Act as a strategic thought partner to leaders, scaling from concept to execution with data-driven insights.

Together AI is building the AI Acceleration Cloud by creating an end-to-end platform for the generative AI lifecycle. They are integrating fast, reliable inference and model-shaping services with cutting-edge AI cloud infrastructure and have contributed to open-source research and datasets.

US

  • Deliver improvements to our identity system that quickly and significantly improve our ability to link events to people
  • Define and prioritize the product roadmap and collaborate with other ads product managers across the organization to set long-term strategy
  • Partner closely with Data Science, Engineering, Legal, and Privacy teams that deliver sustainable system improvements

Reddit is a community-driven platform where users submit, vote, and comment on topics of interest. With over 100,000 active communities and millions of daily active users, it is one of the internet’s largest information sources, fostering open and authentic conversations.

South America

  • Technical visionary for personalization and optimization systems.
  • Define ML architecture and solve hard technical challenges.
  • Influence ML strategy across the company.

Launch Potato is a digital media company that reaches over 30M+ monthly visitors through brands such as FinanceBuzz, All About Cookies, and OnlyInYourState.

$130,000–$250,000/yr
US

Lead a team of ML engineers building next-generation personalization and optimization systems. Balance hands-on technical work with team leadership, driving both technical excellence and business impact. Architect complex systems while mentoring others and collaborating across organizations.

Launch Potato is a profitable digital media company that reaches over 30M+ monthly visitors through brands such as FinanceBuzz, All About Cookies, and OnlyInYourState.

$190,000–$304,000/yr
US

  • Own the global positioning, messaging, and value propositions for our advertising products.
  • Lead integrated GTM for new ad products and features: research, segmentation, messaging, and launch strategy.
  • Build and mentor a world-class Ads Marketing function (product marketing, demand gen, content, and operations).

Life360’s mission is to keep people close to the ones they love, with a category-leading mobile app and Tile tracking devices.

Canada

Write clean, modular, extensible and well-tested code that supports long-term maintainability and scalability. Design, build, and debug complex distributed systems across the full stack. Collaborate with engineers to design scalable, well tested, and well documented web architecture, including APIs and backend systems.

StackAdapt empowers marketers to reach, engage, and convert audiences with precision through its AI-powered marketing platform.

$180,000–$200,000/yr
US

  • Shape how Reveleer builds and scales its products.
  • Provide senior technical leadership and hands on execution to support the 2026 roadmap and beyond.
  • Lead through building, teaching, and raising the engineering bar across the organization.

Reveleer builds value-based care solutions that help health plans and providers collaborate more effectively across quality, risk adjustment, and member engagement.

$270,000–$300,000/yr
US Canada 3w PTO 20w maternity

  • Define our technical strategy, translating that strategy into staffing and technical roadmaps.
  • Manage the hiring process as additional engineers join our team, with a focus on diversity and inclusion.
  • Evaluate trade-offs and effectively prioritize tasks within each team in alignment with strategic initiatives and company goals.

The Athletic brings sports fans the most comprehensive stories about the teams, sports and athletes they love. The Athletic’s newsroom of 500+ full-time staff delivers in-depth coverage of hundreds of professional and college teams.

US Canada

  • Lead the creation and optimization of advanced machine learning algorithms to enhance advertising effectiveness and ROI.
  • Own the end-to-end development of production-grade ML models and collaborate with Machine Learning Engineers.
  • Drive the prototyping and rigorous testing of innovative algorithms and data pipelines using historical data.

StackAdapt empowers marketers to reach, engage, and convert audiences. They are a remote-first company with a diverse and inclusive team of collaborative, hardworking individuals.