The ideal candidate has a solid background in AI (understanding how large language models work, prompt engineering, grounding techniques, when fine-tuning models is needed). While browser security domain knowledge is desirable, experience and expertise of AI integrations is paramount.

Responsibilities

• Partners with appropriate stakeholders to determine user requirements for one or more complex safety scenarios, including demonstration of security attacks, both practical contemporary attacks or future attacks.
• Provides technical leadership for the identification of dependencies and the development of design documents for Microsoft Edge and underlying AI platforms.
• Leads by example and mentors others to produce extensible and maintainable code used across the company.
• Leverages deep subject-matter expertise of cross-product features with appropriate stakeholders to lead multiple product's project plans, release plans, and work items.
• Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, monitoring system/product/service for novel security vulnerabilities.
• Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the security baseline, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers.

Qualifications

• Bachelor'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 equivalent experience.
• Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
• These requirements include but are not limited to the following specialized security screenings: 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 8+ 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 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
• 3+ years of experience in AI/ML security OR equivalent recent security expertise.
• Demonstrated ability to apply AI knowledge in practice including prompt engineering Or grounding Or model fine tuning.
• Demonstrated ability to both break systems and discover novel security flaws as well as building safeguards to mitigate them.
• Experience with Modern browsers, especially chromium-based browsers.
• Experience representing a team in multi-stakeholder environments.

Experience Level

• Senior

Employment Type

• Full-time

Workplace Type

• Hybrid

Category

• Engineering

Industry

• Technology

Salary Range

• USD $139,900 – $274,800 per year

Required Skills

• C
• C++
• C#
• Java
• JavaScript
• Python
• AI
• Machine Learning
• Security
• Browser Security
• Chromium-based browsers

Preferred Skills

• AI/ML security
• Prompt engineering
• Grounding
• Model fine tuning
• Modern browsers
• Chromium-based browsers
• Multi-stakeholder environments

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The ideal candidate has a solid background in AI (understanding how large language models work, prompt engineering, grounding techniques, when fine-tuning models is needed). While browser security domain knowledge is desirable, experience and expertise of AI integrations is paramount. This engineer will research new AI-driven vulnerabilities and implement practical mitigations to keep our users safe.

The role is highly collaborative and requires excellent communication skills to work with multiple internal groups and external industry partners on securing AI features for modern AI browsers. This role is about bringing top-tier AI security expertise into a browser security context. We need someone who can think like an attacker to anticipate how AI features could be abused, and act like an engineer to implement safeguards that make our browser and users safer.

In doing so, you will elevate the security posture of Edge’s AI capabilities and help shape industry-leading practices for securing AI in end-user applications.

Responsibilities:

• Partners with appropriate stakeholders to determine user requirements for one or more complex safety scenarios, including demonstration of security attacks, both practical contemporary attacks or future attacks.
• Provides technical leadership for the identification of dependencies and the development of design documents for Microsoft Edge and underlying AI platforms.
• Leads by example and mentors others to produce extensible and maintainable code used across the company.
• Leverages deep subject-matter expertise of cross-product features with appropriate stakeholders to lead multiple product’s project plans, release plans, and work items.
• Holds accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, monitoring system/product/service for novel security vulnerabilities.
• Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the security baseline, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers.

Qualifications:

• Bachelor’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 equivalent experience.
• Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings: 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 8+ 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 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. 3+ years of experience in AI/ML security OR equivalent recent security expertise.
• Demonstrated ability to apply AI knowledge in practice including prompt engineering Or grounding Or model fine tuning
• Demonstrated ability to both break systems and discover novel security flaws as well as building safeguards to mitigate them.
• Experience with Modern browsers, especially chromium-based browsers.
• Experience representing a team in multi-stakeholder environments.

Software Engineering IC5 – The typical base pay range for this role across the U.S. is USD $139,900 – $274,800 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 – $304,200 per year. Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here: https://careers.microsoft.com/us/en/us-corporate-pay

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We are bringing Copilot and AI into a world class mobile browser to make it easier for users to search, read, decide, and act, while we work to lead in the emerging AI browser space.

At Microsoft Edge Mobile, we deliver a fast, secure, and reliable browser built on Chromium, and we are steadily making it smarter through thoughtful AI integration.

We are looking for a Product Manager who has a solid appetite for working close to the Chromium based platform and can pair product judgment with hands on, AI enabled ways of working to move quickly, learn faster than competitors, and deliver real user value.

Responsibilities

• Identify, define, and evolve product opportunities by combining user research, data, competitive insights, and ongoing feedback across areas such as search, reading, privacy, Copilot integration, and cross device continuity.

• Design and run experiments, interpret results, and guide investment decisions using both traditional analytics and AI assisted workflows.

• Leverage AI tools to monitor, interpret, and quickly react to user voices across app reviews, feedback, and other signals.

• Work closely with engineering and design partners to decide which capabilities should align with Chromium and where Edge should purposefully diverge, while shipping high quality features on a regular release cadence.

• Ensure smooth app release schedules and collaborate with business development and marketing teams on app store promotions and in product launches.

• Drive adoption and growth through in product experiences and clear communication of plans, results, and learnings to stakeholders and leadership.

Qualifications

• Bachelor’s Degree AND 2+ years experience in product/service/program management or software development or equivalent experience.

• Solid product mindset grounded in customer needs, business outcomes, and quality at scale.

• Ability to own ambiguous problems end to end, from framing and discovery through delivery, iteration, and learning.

• Comfort designing experiments, reading data, and using evidence to make and explain product decisions.

• Familiarity with working on large, technically complex products and navigating tradeoffs between platform capabilities and product differentiation.

• Ability to manage multiple work streams in a fast moving environment while maintaining focus on what matters most.

• Willingness to act with a bias toward action, using AI assisted tools and workflows to test ideas quickly and avoid long dependency chains.

• Ability to create clarity through concise written and verbal communication with engineering, design, test partners, and leadership.

• 2+ years of experience building user facing products.

• Demonstrated ability to deliver meaningful user value at scale.

• Experience working across engineering, design, data, and go to market partners.

• Ability to influence without authority and collaborate effectively across teams.

Preferred Qualifications

• Bachelor’s Degree AND 5+ years experience in product/service/program management or software development or equivalent experience.

• 4+ years of experience building user facing products.

• Experience working on consumer apps, mobile products, or platforms with large user bases.

• Familiarity with Chromium based browsers or browser platforms.

• Familiarity with experimentation, analytics, or growth loops.

• Experience working with LLM powered or agentic AI products.

• Hands on use of AI powered tools to improve product discovery, analysis, and execution.

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Microsoft AI are looking for a talented Senior Software Engineer at their Beijing office. This role sits at the heart of driving into Microsoft Edge, providing users with a normal Internet experience, and staying away from various malware harassment. You'll work directly with the Edge team to gain a deep understanding of the various problems users encounter when using Edge, analyze their causes, and provide solutions.

About the Role

As a Senior Software Engineer in Edge App Defaults, you will be joining a team passionate about driving into Microsoft Edge. This team is keen to protect users from using Edge normally, provide users with a normal Internet experience, and stay away from various malware harassment. In this team, you will have the opportunity to work with other teams, not only within Edge, but also with the Windows team to provide users with good Internet experience. You can also dig into the OS code and gain a deeper understanding of Windows. You will analyze Edge online usage data to identify emerging attack behaviors targeting Edge, and drive feasible mitigation solutions end-to-end. You will leverage advanced AI technology to shorten the detection latency for new attack behaviors. You will leverage advanced AI solutions to build sustainable, iterative, and long-term effective defense strategies.

Accountabilities

• Conduct in-depth market research across cinema and simulation sectors, identifying emerging trends, competitive threats, and partnership opportunities that directly inform the company's quarterly strategic planning sessions

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:

• Proficient on English reading and writing

Personal attributes:

• Average verbal smooth English communication ability

Benefits

• Work from the office at least four days per week
• Health and wellbeing benefits
• Professional development opportunities
• Financial benefits (bonus, equity, pension, etc.)
• Cultural perks (team events, office amenities, etc.)

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Microsoft AI are looking for a talented Senior Software Engineer at their Suzhou office. This role sits at the heart of driving into Microsoft Edge, providing users with a normal Internet experience, and staying away from various malware harassment. You'll work directly with the Edge team to provide users with good Internet experience.

About the Role

As a Senior Software Engineer in Edge App Defaults, you will be joining a team passionate about driving into Microsoft Edge. This team is keen to protect users from using Edge normally, provide users with a normal Internet experience, and stay away from various malware harassment. In this team, you will have the opportunity to work with other teams, not only within Edge, but also with the Windows team to provide users with good Internet experience. You can also dig into the OS code and gain a deeper understanding of Windows.

Accountabilities

• Analyze Edge online usage data to identify emerging attack behaviors targeting Edge, and drive feasible mitigation solutions end-to-end.
• Leverage advanced AI technology to shorten the detection latency for new attack behaviors.
• Leverage advanced AI solutions to build sustainable, iterative, and long-term effective defense strategies.

The Candidate we're looking for

Experience:

• 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.

Technical skills:

• Proficient on English reading and writing.
• Familiarity with Win32 API program development.
• Chromium based work experience.
• Familiarity with assembly and reverse engineering.

Personal attributes:

• Average verbal smooth English communication ability.

Benefits

• Starting January 26, 2026, Microsoft AI 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.
• Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances.

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What you'll do

• Develop a performant Chromium-based browser that millions of users around the world enjoy using.
• Work closely with product teams to implement novel Desktop and mobile experiences.
• Work closely with design teams to design fast and intuitive UI.
• Collaborate with data science and machine learning teams to instrument, analyze, and improve the end-to-end experience.
• Work with infrastructure and QA teams on deployment processes, including testing, release, and monitoring.

What you need

• 4+ years industry experience
• Expertise in C++ Chromium codebase
• Enjoys the craft of building nice UI, creating a good UX, and writing code that can be reused by others
• Understands how to manage performance and speed
• Comfortable working with a small, fast-moving team, must be willing to dive in and take ownership
• A passion for shipping.

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