Principal Software Engineer

Principal Data Engineer

We are on the lookout for a Principal Data Engineer to help define and lead the ...

Location

United Kingdom

Salary:

Not provided

Dotdigital

Expiration Date

Until further notice

Requirements

Extensive experience delivering python-based projects in the data engineering space
Extensive experience working with SQL and NoSQL database technologies (e.g. SQL Server, MongoDB & Cassandra)
Proven experience with modern data warehousing and large-scale data processing tools (e.g. Snowflake, DBT, BiqQuery, Clickhouse)
Hands on experience with data orchestration tools like Airflow, Dagster or Prefect
Experience using cloud environments (e.g. Azure, AWS, GCP) to process, store and surface large scale data
Experience using Kafka or similar event-based architectures e.g. (Pub/Sub via AWS SQS, Azure EventHubs, AWS Kinesis)
Strong grasp of data architecture and data modelling principles for both OLAP and OLTP workloads
Capable in the wider software development lifecycle in terms of agile ways of working and continuous integration/deployment of data solutions
Experience as a lead or Principal Engineer on large-scale data initiative or product builds
Demonstrated ability to architect data systems and data structures for high volume, high throughput systems

Job Responsibility

Lead the design and implementation of scalable, secure and resilient data systems across streaming, batch and real-time use cases
Architect data pipelines, model and storage solutions that power analytical and product use cases
using primarily Python and SQL via orchestration tooling that run workloads in the cloud
Leverage AI to automate both data processing and engineering processes
Assure and drive best practices relating to data infrastructure, governance, security and observability
Work with technologists across multiple teams to deliver coherent features and data outcomes
Support the data team to help adopt data engineering principles
Identify, validate and promote new tools and technologies that improve the performance and stability of data services

What we offer

Parental leave
Medical benefits
Paid sick leave
Dotdigital day
Share reward
Wellbeing reward
Wellbeing Days
Loyalty reward

Fulltime

Principal Machine Learning Engineer

Location

Salary:

Not provided

Atlassian

Expiration Date

Until further notice

Requirements

Fluency in at least one modern object-oriented programming language (preferably Java/Kotlin and Python)
Understanding of Machine Learning project lifecycle/tools along with prompt engineering
Experience in architecting and implementing high-performance RESTful microservices
Experience building and operating large scale distributed systems using Amazon Web Services (S3, Kinesis, Cloud Formation, EKS, AWS Security and Networking)
Experience with leveraging LLMs effectively and optimizing model usage on GPUs
Experience with Databricks or Apache Spark
Experience with Continuous Delivery and Continuous Integration

Job Responsibility

Regularly tackle the largest and most complex problems in the team, from technical design to launch
Work closely with Product, Engineering and Design leads in Jira AI, and translate their requirements into solid engineering deliverables, delegating work to the teams
Deliver solutions that are used by other teams and products
Follow a Product Engineer mindset by building features that are data-driven and customer-centric, fostering that culture within the Jira AI group
Exceptional problem solving ability using ML, AI and core software engineering
Routinely tackle complex architecture challenges and define architectural standards
Actively contribute to the code delivery through leading code reviews & documentation, direct contribution and fixing complex bugs in high-risk surface areas
Expertise in data analysis, statistical methods, and logical reasoning to inform data-driven decision-making
Partner across engineering teams to take on company-wide initiatives spanning multiple projects
Mentor junior members on the team

What we offer

Atlassians can choose where they work – whether in an office, from home, or a combination of the two
Atlassians have more control over supporting their family, personal goals, and other priorities

New

Principal Software Engineering Manager

The Growth Engineering team’s mission is to drive sustained usage and revenue gr...

Location

India , Noida

Salary:

Not provided

Microsoft Corporation

Expiration Date

Until further notice

Requirements

14+ years of hands-on product development experience
5+ years of experience leading engineering teams (up to ~10 engineers), including senior engineers
Proven experience delivering large-scale, cross-team platforms with measurable business impact
Strong understanding of backend and frontend (web) systems
Experience designing and operating data-intensive systems, including analytics pipelines, aggregations, and reporting layers
Big data experience (preferred), especially in systems that support experimentation, funnels, and attribution
Ability to make sound architectural decisions balancing scale, performance, and extensibility
Familiarity with digital marketing, growth platforms, or experimentation systems is a strong plus
Strong problem-solving skills with the ability to think systemically and strategically
Track record of delivering results through influence, collaboration, and technical leadership

Job Responsibility

Lead a team of full-stack engineers building growth intelligence and campaign management platforms
Own the end-to-end technical architecture for campaign insights, diagnostics, and governance systems
Drive high engineering quality through architecture reviews, design reviews, and code reviews
Build platforms that provide clear, actionable visibility into campaign performance
Enable self-serve diagnostics and insights
Partner closely with product management and data analysts
Design and evolve platform-level mechanisms that protect customer experience while enabling growth
Ensure systems provide cross-campaign and cross-surface visibility
Own feature execution and rollout plans
Collaborate with engineering peers across orgs and geographies

Fulltime

Principal Software Engineer - Copilot Identity

Consumer Copilot Security is at the core of Microsoft’s mission to deliver trust...

Location

United States , Redmond

Salary:

163000.00 - 296400.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

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.
Master'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 Bachelor's Degree in Computer Science or related technical field AND 15+ 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 with Microsoft Account, and familiarity with consumer identity features.
Cross‑platform delivery: Shipped identity flows and SDKs across multiple consumer client platforms (Windows, macOS, iOS, Android, web).
Governance & lifecycle: Familiarity with consumer identity lifecycle management and privacy controls.
Privacy/Compliance: Experience embedding privacy‑by‑design and meeting consumer compliance expectations for Copilot-class workloads.
Leadership: Track record mentoring senior engineers and driving adoption of platform standards across many product teams.

Job Responsibility

Identity strategy & architecture: Define the end‑to‑end identity vision for consumer Copilot and MAI, covering user/account models, sign‑in, session management, token issuance/validation, service‑to‑service auth, and cross‑device experiences.
Cross‑surface platform leadership: Drive common authentication/SSO patterns and SDKs for Windows, Edge, web, iOS, and Android
ensure seamless UX and consistent security controls across consumer surfaces and modalities.
Collaborate with product, engineering, security, privacy, and identity teams across Copilot, MAI and IDNA to drive improvements in authentication, identity, and security. Influence technical direction and best practices across a large, distributed system, ensuring alignment and adoption of key initiatives.
Establish, monitor, and continuously improve key authentication metrics across Copilot and MAI. Collaborate with engineering, product, and identity teams to align on a unified ground truth and leverage dashboards for ongoing measurement and root cause analysis
Align with central Microsoft Account roadmaps, influence platform capabilities, and land them in Copilot and MAI consumer scenarios at scale.
Define and document authentication patterns and requirements for AI-powered, agentic flows. Ensure these patterns address novel risks, support secure delegation, and enable safe orchestration of actions across devices and services.
Hands‑on engineering: Ship secure, well‑tested, maintainable code and frameworks that other teams can adopt quickly.
Product mindset: Balance customer experience with consumer-grade security, privacy, and compliance expectations for Copilot.
Work closely with globally distributed teams, managing effective communication, coordination, and project delivery across multiple time zones. Foster strong cross-regional partnerships to drive identity and authentication improvements at scale.

Fulltime

Microsoft and OpenAI have formed one of the most successful tech partnerships in...

Location

United States , Redmond; Mountain View

Salary:

139900.00 - 274800.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

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
Ability to provide proof of citizenship or protected status for export control regulations

Job Responsibility

Building and shipping robust and reliable AI products
Leading system design, including collaborating with technical partners to facilitate integration with other software systems
Understanding and navigating various business requirements and technical constraints to deliver exceptional software systems
Partnering closely with various technical teams to execute on building various components of a complex system on a fast cadence
Ensuring system reliability, observability, and security in production environment
Writing technical briefs to inform stakeholders and leadership of technical design and decisions
Delivering software on schedule and escalating or surfacing risks and blockers when needed

Fulltime

Principal Engineering Manager

Windows 365 for Agents is redefining how AI agents use Windows and Linux to perf...

Location

United States , Redmond

Salary:

139900.00 - 274800.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

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
6+ years of experience building large‑scale distributed systems, OS‑level components, cloud platforms, or similar compute‑intensive technologies
5+ years of people management experience leading senior or principal‑level engineers
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.

Job Responsibility

Team Leadership & People Management: Build, lead, and grow a high‑performing engineering team focused on foundational capabilities for agentic compute
Inspire engineering excellence, accountability, and a culture of curiosity, innovation, and inclusive collaboration
Coach engineers through complex technical challenges across OS, cloud architecture, distributed systems, and agent‑runtime design
Technical & Architectural Leadership: Drive the architecture and implementation of core components enabling reliable computer‑use agents on Windows and Linux—including environment provisioning, stability, sandboxing, orchestration, streaming interfaces, and agent–machine interaction layers
Partner closely with Windows, Linux, Azure Compute, Entra, Agent 365, M365 and ecosystem teams to design cross‑platform capabilities, set standards, and define the long‑term vision for agentic compute
Lead engineering efforts to ensure scalability, resilience, observability, and strong security primitives for automated agent actions
Program & Delivery Leadership: Establish technical roadmaps and execution plans aligned with strategic priorities for Windows 365 for Agents and the broader Agentic OS ecosystem
Collaborate with partner teams and external ISVs to define integration points, platform surfaces, tooling, and developer experiences
Oversee delivery of features from incubation to GA, ensuring quality, performance, and operational excellence.

Fulltime

New

Principal Software Engineer

Microsoft’s Azure Data engineering team is leading the transformation of analyti...

Location

United States , Multiple Locations

Salary:

139900.00 - 274800.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

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
This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter

Job Responsibility

Design and lead the development of core AI capabilities in PostgreSQL including vector indexing, approximate nearest neighbor search, semantic query operators, and graph-native features
Architect in-database support for embedding pipelines and model integration to enable retrieval, reasoning, and inference
Lead system-level design efforts that span the PostgreSQL engine, extension frameworks, storage abstractions, and control plane surfaces
Collaborate with product managers, applied AI researchers, and platform teams to define use cases and translate them into scalable and intuitive capabilities
Contribute to production-grade implementation of complex systems, ensuring performance, reliability, and operability
Set technical direction and engineering quality standards through code and design reviews, prototyping, and mentorship
Act as a technical connector across teams, driving alignment on design, extensibility patterns, and developer experience
Stay current on trends in vector databases, graph systems, and AI workloads, applying academic and open-source innovation to real-world engineering
Embody our culture and values

Fulltime

Principal Software Engineer

Microsoft’s Azure Data engineering team is leading the transformation of analyti...

Location

United States , Redmond

Salary:

139900.00 - 274800.00 USD / Year

Microsoft Corporation

Expiration Date

Until further notice

Requirements

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
This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter

Job Responsibility

Design and lead the development of core AI capabilities in PostgreSQL including vector indexing, approximate nearest neighbor search, semantic query operators, and graph-native features
Architect in-database support for embedding pipelines and model integration to enable retrieval, reasoning, and inference
Lead system-level design efforts that span the PostgreSQL engine, extension frameworks, storage abstractions, and control plane surfaces
Collaborate with product managers, applied AI researchers, and platform teams to define use cases and translate them into scalable and intuitive capabilities
Contribute to production-grade implementation of complex systems, ensuring performance, reliability, and operability
Set technical direction and engineering quality standards through code and design reviews, prototyping, and mentorship
Act as a technical connector across teams, driving alignment on design, extensibility patterns, and developer experience
Stay current on trends in vector databases, graph systems, and AI workloads, applying academic and open-source innovation to real-world engineering
Embody our culture and values

Fulltime

Principal Software Engineer - Surface Team

Microsoft Corporation

Location:
United States , Redmond

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
March 19, 2026

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United States , Redmond

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Contract Type:
Not provided

Job Posted:
March 19, 2026