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23.7K jobs
Experis España
17 hours ago

Principal FullStack Engineer

New APACFull-timePrincipal
Philippines
Mandaluyong

Hands-on principal full-stack engineer (~90% coding) on a lean product team building a real-time ad-performance analytics dashboard for merchants. Owns features end to end: Next.js/TypeScript frontend, Node.js backend, PostgreSQL, Redis, and ad-platform integrations. Full-time remote with CET overlap; hired via Experis España.

AI Analytics Cloud E-commerce Fastify +9 skills
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AutoTrader UK
17 hours ago

Principal Full-Stack Engineer (Hybrid)

New UKPrincipal
United Kingdom
Ancoats

Principal full-stack engineer at AutoTrader UK building a scalable, high-traffic automotive marketplace: designing systems with React/Angular and Java/Spring Boot, deploying on cloud, mentoring engineers, influencing architecture, and using AI-assisted workflows in a hybrid role based in Ancoats, Manchester.

AI Angular Cloud Java React +1 skills
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Microsoft
17 hours ago

Principal Data Scientist - Product Analytics - XBOX Growth

New On-siteNorth AmericaPrincipal
United States
Multiple Locations, Multiple Locations

Overview XBOX Growth Intelligence is seeking a Principal Data Scientist, Product Analytics to set analytics strategy and partner with Product, Engineering, and Business leaders across XBOX product experiences. This…

Agentic AI AI Analytics Causal Inference Data Engineering +6 skills
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Freshfields Rechtsanwälte Steuerberater PartG mbB
17 hours ago

Principal Data Engineer

New UKPrincipal
United Kingdom
Ancoats

Lead data engineering role at global law firm Freshfields: architect and run a cloud-first Azure data platform (Data Lake, Databricks, Delta Lake, Data Factory, dbt) for analytics and AI, while managing and coaching the data engineering team in the Global Data Office and driving data governance via Collibra.

AI Airflow Analytics Azure Azure Data Factory +19 skills
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National Health Service
17 hours ago

Principal Data Engineer

New UKPrincipal
United Kingdom
Cardiff

Principal Data Engineer leading data platforms and insight services for Velindre (NHS Wales): improving data pipelines and standards, supporting migration of legacy data warehouses to cloud (Azure, Google), and overseeing day-to-day delivery of the engineering portfolio. Combines hands-on SQL/ETL-ELT work with governance, documentation and stakeholder leadership.

Agile Azure Cloud Data Engineering Data Pipelines +6 skills
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Energy Jobline CVL
17 hours ago

Hands-On Principal Java Engineer | Hybrid & Leadership

New HybridUKPrincipal
United Kingdom
Ancoats

Hands-on Principal Java Engineer based in South Manchester (hybrid, one onsite day per week), spending ~80% of time coding plus mentoring, technical decision-making and setting engineering standards. Core stack is Java, Spring Boot and AWS, working in an Agile environment with XP and TDD. Pays £70,000–£85,000 plus bonus.

Agile AWS Java Spring TDD
70K – 85K £
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Coupang Backed by SoftBank Vision Fund
53 views 17 hours ago

Principal HR Business Partner

Open 23d North AmericaPrincipal Salary + equity 10 questions
United States
Seattle

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever,…

Employee Relations Performance Management Succession Planning
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Coupang Internal
49 views 17 hours ago

Principal HR Business Partner

Open 23d North AmericaPrincipal Salary + equity 1 question
United States
Seattle

Please complete the attached Internal Transfer Request Form and submit. Please make sure to apply with your Coupang e-mail address . We exist to wow our customers. We know we’re doing the right thing when we hear our…

Employee Relations Performance Management Succession Planning
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Microsoft
17 hours ago

Principal Software Engineer(s) + Senior Software Engineer(s)

New On-siteNorth AmericaPrincipal
United States
Washington, Redmond

Overview Microsoft Security works to make the world safer with solutions that help customers protect their people, data, devices, and cloud environments. Within the Agentic Security Organization , we are building…

Agentic AI Agile AI Analytics Automation +10 skills
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ramsayhealthcare1
17 hours ago

Principal House Officer - General Medicine (Non-Accredited)

New APACFull-timePrincipal
Australia
Greenslopes, Queensland

Principal House Officer - General Medicine (non-accredited) Full-Time (76 hours per fortnight) opportunity available |12 months (1st February 2027 to 6 February 2028) Friendly, fast paced environment Greenslopes…
Alcon Research
17 hours ago

Sr Principal, Platform Engineering

New North AmericaPrincipal
United States
Fort Worth, Tarrant County

At Alcon, we are driven by the meaningful work we do to help people see brilliantly. We innovate boldly, champion progress, and act with speed as the global leader in eye care. Here, you’ll be recognized for your…
Huntington National Bank
17 hours ago

Senior Principal Software Application Security

New RemoteNorth AmericaPrincipal
United States
Columbus, Franklin County

Description This position is a remote position. (see preferred location options on posting) Summary: We are seeking a highly experienced Senior Principal Software Application Security to lead the design, development,…

AI Cloud Cybersecurity DevSecOps
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Reddit Backed by a16zBacked by Sequoia
329 views 17 hours ago

Principal Data Scientist, Ads

Open 146d RemoteNorth AmericaContractPrincipal Salary + equity 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Reddit is hiring a Principal Data Scientist to lead the long-term scientific strategy for its advertising platform — defining measurement, prediction, and optimization frameworks for ads auctions, targeting, and advertiser LTV. The role relies heavily on statistics, econometrics, causal inference, machine learning, Python/R, and SQL at large scale.

A/B Testing AI Analytics Causal Inference Data Science +5 skills
268K – 365K $
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Reddit Backed by a16zBacked by Sequoia
278 views 17 hours ago

Principal Data Scientist, User Ecosystem

New RemoteNorth AmericaContractPrincipal Salary + equity 5 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Very senior data science leader at Reddit setting the measurement, modeling, and experimentation strategy for its consumer/user ecosystem — how users discover value, form habits, and deepen engagement across content and communities. Core work spans recommender systems, user/LTV modeling, causal inference, and ML with frameworks like PyTorch or JAX.

AI Causal Inference Data Science Deep Learning JAX +3 skills
313K – 365K $
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Reddit Backed by a16zBacked by Sequoia
71 views 17 hours ago

Senior Principal Program Manager, GTM Excellence

Open 77d North AmericaContractPrincipal Salary + equity 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Chicago, IL, Los Angeles, CA, New York City, NY, San Francisco, CA

Senior Principal Program Manager on Reddit’s GTM Excellence team, leading large-scale strategic initiatives, owning end-to-end processes (e.g., buy cycle, forecasting), and collaborating with executive leadership (CRO, COO) and cross-functional teams to transform methodologies and systems for Reddit advertisers.

AI Automation Go-to-Market Program Management Root Cause Analysis +1 skills
180K – 313K $
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Fidelity
17 hours ago

Principal Software Engineer/Developer

New Principal Durham, Durham County

Fidelity will not provide immigration sponsorship for this position. Job Description: Position Description : Designs, implements, and executes enhancements to reduce errors and exceptions in reports generated by…
Regeneron Pharmaceuticals
18 hours ago

Principal IT Applications Analyst - Lab Systems

New North AmericaPrincipal
United States

Build our future together: At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking a Principal IT Applications Analyst to join our IOPS IT team,…

Root Cause Analysis
BitGo
18 hours ago

Principal - Accounting Platform

New North AmericaFull-timePrincipal Salary + equity 3 questions
United States
New York

BitGo (NYSE: BTGO) is the digital asset infrastructure company delivering custody, wallets, staking, trading, financing, stablecoins, and settlement services from regulated cold storage. Since 2013, BitGo has focused…

Automation Blockchain Cryptocurrency Data Pipelines Financial Reporting +3 skills
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Releady
18 hours ago

Principal, Technical Program Manager (Commercialization)

New North AmericaPrincipal
United States
Denver, Colorado

OVERVIEW Releady is partnering with a leading healthcare technology company to hire a Principal, Technical Program Manager who take software products from development to market. This organization provides an AI-powered…
Stampli
82 views 18 hours ago

Principal UX Expert

Open 64d HybridNorth AmericaPrincipal
United States
Austin, TX

Senior individual-contributor UX role at Stampli, an AI-native finance (accounts payable) software company: run ongoing user research with finance personas, partner with PMs and designers to validate problems before design review, and build AI-powered persona libraries and UX evaluation tools. Hybrid — 3 days/week from the Austin office.

Accounts Payable AI Analytics Automation ChatGPT +6 skills
160K – 180K $
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