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Microsoft UK • London, United Kingdom

Principal Software Engineer - Bing Ads

Employment type:  Full time
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top 3
scores:
83%

Location flexibility

81%

Hours flexibility

79%

Autonomy

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Job Description

The Data Management Platform (DMP) team is at the heart of user understanding for Microsoft Advertising. We build and operate large-scale data pipelines, machine learning models, and APIs that enable user segmentation, targeting, personalization, and measurement for advertisers and publishers. We work with massive amounts of data from diverse sources such as web browsing, search queries, and interests. We apply advanced techniques in natural language processing, deep learning, graph mining, and differential privacy to extract insights and value from the data while preserving user trust and privacy.


As a Principal Software Engineer in our team, you will be making technical, operational, planning, and strategic contributions to our user identity & segmentation solutions in support of our growing business. This opportunity will allow you to hone your skills building systems that operate at high scale, high availability, low latency, high cardinality, and to ensure high quality in the user-identity & segmentation solutions. You will have opportunities to develop deep business understanding of existing and future advertising practices. You'll work directly with high accomplished teams and engineers that drive performance and innovation at the cutting edge. Our team is globally distributed which provides flexible and partial remote work opportunities

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.

Responsibilities

  • Partners with appropriate stakeholders to determine user requirements for one or more complex scenarios.
  • Provides technical leadership for the identification of dependencies and the development of design documents for a product, application, service, or platform.
  • 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 (e.g., project managers) 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, working on-call to monitor system/product/service for degradation, downtime, or interruptions.
  • Proactively seeks new knowledge and adapts to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and shares knowledge with other engineers.

Qualifications

Required Qualifications:

  • Bachelor's Degree in Computer Science or related technical field AND proficient technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.

Other Requirements:
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:

  • Bachelor's Degree in Computer Science
    • OR related technical field AND proficient years of technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR Master's Degree in Computer Science or related technical field AND 10+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
    • OR equivalent experience.

#MicrosoftAI

Microsoft is an equal opportunity employer. Consistent with applicable law, 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. If you need assistance and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.

Company benefits

Wellbeing allowance
Health insurance
Dental coverage
Gym membership
Mental health platform access
Buy or sell annual leave
Shared parental leave
Charity donation scheme
Employee assistance programme
Employee discounts
Volunteer days
Fertility treatment leave
Open to compressed hours
Open to job sharing
Fertility benefits
Enhanced sick pay
Enhanced sick days
Compassionate leave
Travel insurance
20 days annual leave + bank holidays
Enhanced maternity leave
Enhanced paternity leave
Adoption leave
Childcare credits
Carer’s leave
Cycle to work scheme
Faith rooms
Annual bonus
Annual pay rises
Company car
Hackathons
Open to part-time employees
Pregnancy loss leave
Life insurance
Equity packages
Financial coaching
Relocation packages
Sabbaticals
Enhanced pension match/contribution

We asked employees of Microsoft UK what it's like to work there, and this is what they told us.

Location flexibility
83%
Employees are very happy with their working location freedom
Hours flexibility
81%
Employees are very happy with the flexibility in the hours they work
Benefits
67%
Employees are largely happy with the benefits their company offers
Work-life balance
63%
Employees feel that they can switch off quite easily from work
Role modelling
74%
Employees feel that most people work flexibly
Autonomy
79%
Employees feel that they can mostly manage how they get their own work done

Working at Microsoft UK

Company employees

Globally: 228,000

Gender diversity (male:female)

67:33

Currently Hiring Countries

United Kingdom

Office Locations

Awards & Achievements

Family Friendly

Family Friendly

Flexa awards 2025
Career Progression

Career Progression

Flexa awards 2025
Most flexible companies

Most flexible companies

Flexa100 2024
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