As a Staff Security Engineer, you will shape and deliver Duolingo’s security strategy, safeguarding our learners, employees, systems, and services.
Compensation
Salary Range: $204,000—$306,000 USD
Responsibilities
Set technical direction for security across Duolingo’s applications, cloud infrastructure, and engineering systems.
Lead complex, multi-team security initiatives from problem definition and design through implementation, measurement, and ongoing ownership.
Design and build scalable security services, controls, and automation that prevent, detect, and remediate risks with minimal manual effort.
Partner with engineering teams to threat model systems, review architecture and code, prioritize risks, and deliver practical mitigations.
Strengthen security across the software-development lifecycle, including secrets management, dependency security, vulnerability management, and CI/CD controls.
Manage Duolingo’s global talent mobility program, overseeing immigration, relocation, and vendor coordination to support international and domestic talent movement.
Compensation
Salary Range: $110,500—$149,500 USD
Responsibilities
Own day-to-day operations of the Global Mobility program
Administer relocation policies, packages, eligibility, and exceptions
Manage employment-based immigration matters from assessment through renewal
Assess immigration and mobility needs for hiring, transfers, and business changes
Champion mobility program with candidates and Talent Acquisition
Lead and manage the Quality Management System for ALTEN Technology USA, ensuring compliance with ISO standards, client requirements, and continuous improvement initiatives.
Responsibilities
Maintain and improve the ALTEN Technology USA QMS
Organize and support company level ISO and AS certification and client audits, including ISO 9001, AS 9100, ISO14001 and other applicable standards
Ensure project compliance with the ALTEN Delivery Framework (ADF), contractual requirements, and applicable quality standards
Monitor quality KPIs, including Right First Time (RFT), On-Time Delivery (OTD), and customer satisfaction
Identify quality risks, nonconformities, and process gaps; implement corrective and preventive actions (CAPA)
Requirements
Bachelor’s degree in engineering, Quality Management, Business, or a related field
Technical lead for strategic enterprise deals, acting as the technical counterpart to Enterprise Account Executives for large accounts.
Locations (3)
San Francisco, California, United States
New York City, New York, United States
London, London, United Kingdom
Compensation
Salary range (US): $240,000 – $300,000 OTE. Salary range (London): £145,000 – £175,000 OTE
Responsibilities
Act as the technical lead on strategic enterprise deals, from discovery through vendor selection and production rollout
Map and multi-thread the customer's technical organization (developers, data science and evaluation teams, platform, security), building champions at each level
Design and run evaluations with customers: agree on success criteria, test sets, and metrics up front
Applied AI Engineers partner with Account Executives to provide technical pre‑sales support, build demos, debug integrations, and influence product roadmap for voice AI solutions.
Locations (3)
San Francisco, California, United States
New York City, New York, United States
London, England, United Kingdom
Compensation
Salary range (US): $150,000 – $250,000 OTE
Salary range (London): £90,000 – £145,000 OTE
Responsibilities
Partner with Digital Native Account Executives to own the technical side of their book
Write code for customers, build MVPs, debug integrations, tune models on real audio
Help customers evaluate and test products, design benchmarks, catch mistakes early
Tweak configurations and design robust implementations
Lead project teams in the preparation, review, and delivery of preliminary and final site plans, engineering designs, and construction documents.
Manage project schedules, budgets, quality control, and client expectations throughout the project lifecycle.
Prepare technical reports, recommendations, and project analyses to support successful project execution.
Review and evaluate survey data, existing site conditions, and development constraints, including legal descriptions, ALTA surveys, easement documents, condominium documents, and related records.
Prepare and oversee engineering analyses and design documentation, including hydrologic and hydraulic studies, due diligence and site feasibility reports, Engineer’s opinions of probable construction costs, utility system calculations, detention and retention pond design calculations, stormwater management reports, storm sewer design reports, earthwork and volume calculations, preliminary and final grading plans, local, state, and regulatory permit applications, and StormCAD and WaterCAD modeling and analysis.
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