Key responsibilities include designing, implementing, and optimizing distributed training systems, developing high-performance optimizations, and establishing standards for reliability, maintainability, and security. You'll collaborate with researchers and engineers to build scalable infrastructure and publish learnings through internal documentation, open-source libraries, or technical reports.

We're looking for someone who blends deep systems and performance expertise with a curiosity for machine learning at scale. A strong understanding of deep learning frameworks, such as PyTorch, and experience working on distributed training for large models are preferred. If you have a track record of improving research productivity through infrastructure design or process improvements, that's a plus.

This role is based in San Francisco, California, and offers a competitive salary range of $350,000 - $475,000 USD per year, depending on background, skills, and experience. We sponsor visas and offer generous health, dental, and vision benefits, unlimited PTO, paid parental leave, and relocation support as needed.

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As a measurement lead, you will be a key partner to our sales team, fusing best practices, industry knowledge, and critical thinking to help clients achieve their brand and performance goals on Reddit. Your primary responsibilities will evolve over time, and there is a significant opportunity to drive impact within Reddit and support your own career growth.

Responsibilities:

• Daily responsibilities will span across advertising measurement, performance optimizations, vendor development, advertising strategy, teaching and supporting our sales team, and research.

• Measurement knowledge including attitudinal survey research, offline and online sales/ROI measurement, impression/attribution/conversion and mobile tracking, 1st and 3rd party insights storytelling, and custom research.

• Collaborate closely with Client Account Managers to gain a deep understanding of clients' campaign setups, measurement stack and performance goals, as well as collaborate closely with Product & PMM.

• Translate global best practices into EMEA context, creating playbooks and best practices for EMEA specific campaigns.

• Translate data insights into actionable recommendations with clear justifications and expected outcomes, maintaining regular communication of vertical updates and optimization suggestions to our team.

• Leverage measurement results to drive sales impact - developing benchmarks, case studies, media & creative best practices, and refinement/optimization to our audience and targeting strategy to improve efficiency and effectiveness.

• Partner with Sales, Marketing, and Brand Strategy to develop compelling storylines that highlight opportunities for Reddit advertisers and our competitive advantage.

• Join key client meetings as a subject matter expert to provide technical guidance and objection handling.

• Develop and support our go-to-market teams in EMEA with your measurement expertise, industry knowledge, and insights specific to market nuances.

• Support the execution of innovative primary research that amplifies our narrative and value proposition to advertisers, and the development of insights products that position Reddit as a curator of business-critical learnings to advertisers.

Required Qualifications:

• A data-driven storyteller that’s passionate about measurement to inspire and drive action.

• 5+ years in ad research or ad tech – at a research vendor, media owner, client or agency partner.

• You are familiar with the ad measurement landscape and the primary vendors, products, and services that advertisers use to measure performance & brand - and how it all works from a technical perspective.

• A knowledge of experimentation and familiarity with the underlying statistical methods.

• Expertise in these three areas of measurement across verticals:

• Reach: impressions, viewability, on-target percentage, brand safety, etc.

• Resonance: brand awareness, consideration, intent, etc.

• Reaction: attribution, conversion, sales lift, tune-in, foot traffic, etc.

• Experience optimizing toward DR focused KPIs, as well as knowledge of holistic media planning to support brand awareness and performance campaigns in tandem.

• Experienced in executing incrementality testing, developing test+learn agendas and working with engineering + product teams on advanced measurement cases.

• You have a strong background in the execution, analysis, and presentation of quantitative advertising research.

• Proven ability to weave primary research, 1st party platform data, and 3rd party/syndicated research together into a cohesive and compelling story of strategic importance.

• Experience working with measurement vendors to bring new services and capabilities to life at a technology company.

• Exceptional written and oral communication skills – you’re articulate and engaging.

• Motivated self-starter who thrives in unstructured environments on an evolving team.

• BA/BS degree

XML job scraping automation by YubHub

Microsoft Shopping delights customers with confidence, convenience, and savings—anywhere. With the power of AI, we’re building best-in-class shopping experiences that span across Copilot, Edge, Bing, MSN, and Windows, helping customers discover, evaluate, and decide with speed and trust.

As a Senior Software Engineer (Frontend/Full Stack), you will be responsible for building and shipping Copilot Shopping experiences end-to-end, with a solid emphasis on frontend quality (UX polish, accessibility, performance, reliability). You will work fluidly across the full architecture: client (web/mobile), services/APIs, data contracts, telemetry/experimentation, and operational tooling.

You will partner closely with Product, Design, and Data Science to define success metrics, instrument telemetry, run experiments, and iterate based on outcomes. You will design and implement reusable UI components and client patterns, while also contributing to service integration and backend changes when needed to unblock or improve the experience.

You will drive engineering excellence via code reviews, automated testing, CI/CD hygiene, performance profiling, and solid live-site ownership (monitoring, alerting, incident response). You will debug and resolve complex issues that span client – service – data/telemetry, improving observability and reducing time-to-diagnosis.

You will make pragmatic architecture decisions that increase modularity, maintainability, scalability, and developer velocity. You will mentor and elevate the team through technical leadership, documentation, and best practices.

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You should be deeply fluent in at least one of our primary client stacks—Web (e.g., React), Kotlin, or Swift—and excited about moving across surfaces as the product demands. Some weeks that might mean shipping a high-impact UI iteration on web; other weeks it might mean partnering on a mobile surface, tightening API contracts, or improving performance and telemetry to ensure we can measure what matters.

We want an engineer who can jump in, learn quickly, and ship—someone who thinks like an owner, sweats the details, and can connect customer experience to engineering fundamentals. If you’re passionate about building delightful consumer experiences, iterating quickly with data and experimentation, and operating at the intersection of AI and shopping, this is a chance to work on a fast-moving product with real visibility and impact—while being part of a team that values clarity, craftsmanship, and collaborative execution.

Microsoft’s mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week. This expectation is subject to local law and may vary by jurisdiction.

Responsibilities:

• Build and ship Copilot Shopping experiences end-to-end, with a solid emphasis on frontend quality (UX polish, accessibility, performance, reliability)
• Work fluidly across the full architecture: client (web/mobile), services/APIs, data contracts, telemetry/experimentation, and operational tooling
• Partner closely with Product, Design, and Data Science to define success metrics, instrument telemetry, run experiments, and iterate based on outcomes
• Design and implement reusable UI components and client patterns, while also contributing to service integration and backend changes when needed to unblock or improve the experience
• Drive engineering excellence via code reviews, automated testing, CI/CD hygiene, performance profiling, and solid live-site ownership (monitoring, alerting, incident response)
• Debug and resolve complex issues that span client – service – data/telemetry, improving observability and reducing time-to-diagnosis
• Make pragmatic architecture decisions that increase modularity, maintainability, scalability, and developer velocity
• Mentor and elevate the team through technical leadership, documentation, and best practices

Qualifications:

• Bachelor’s Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
• Meaningful frontend and full-stack ownership delivering polished, performant user experiences across web and/or mobile surfaces (Kotlin/Swift/web)
• Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter
• Preferred Qualifications:
  • Master’s Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR
  • Bachelor’s Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience
  • Experience integrating clients with backend systems via client–server contracts (e.g., REST/JSON, GraphQL, SSE/WebSockets) and collaborating on API/data contract design
  • Demonstrated ability to debug and troubleshoot client issues and drive performance optimizations for high quality user experiences
  • Experience building accessible applications that follow WCAG and ADA specifications
  • Strong collaboration skills and data-driven execution: work effectively with engineers, PM, design, and partner teams; instrument telemetry and use data to iterate

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Microsoft AI are looking for a talented Senior Software Engineer (Frontend/Full Stack) at their Redmond office. This role sits at the heart of strategic decision-making, turning market data into actionable insights for a company that's revolutionising AI-powered shopping experiences. You'll work directly with leadership to shape the company's direction in the AI and shopping markets.

About the Role

As a Senior Software Engineer (Frontend/Full Stack), you will be responsible for building and shipping Copilot Shopping experiences end-to-end, with a solid emphasis on frontend quality (UX polish, accessibility, performance, reliability). You will work fluidly across the full architecture: client (web/mobile), services/APIs, data contracts, telemetry/experimentation, and operational tooling. You will partner closely with Product, Design, and Data Science to define success metrics, instrument telemetry, run experiments, and iterate based on outcomes.

Accountabilities

• Build and ship Copilot Shopping experiences end-to-end, with a solid emphasis on frontend quality (UX polish, accessibility, performance, reliability).
• Work fluidly across the full architecture: client (web/mobile), services/APIs, data contracts, telemetry/experimentation, and operational tooling.

The Candidate we're looking for

Experience:

• 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python.

Technical skills:

• Experience integrating clients with backend systems via client–server contracts (e.g., REST/JSON, GraphQL, SSE/WebSockets).
• Demonstrated ability to debug and troubleshoot client issues and drive performance optimizations for high quality user experiences.

Personal attributes:

• Strong collaboration skills and data-driven execution: work effectively with engineers, PM, design, and partner teams; instrument telemetry and use data to iterate.

Benefits

• Competitive salary range: $119,800 - $234,700 per year.
• Comprehensive benefits package, including medical, dental, and vision insurance.
• 401(k) matching program.
• Paid time off and holidays.
• Opportunities for professional growth and development.

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