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Zscaler Backed by Lightspeed
93 views 5 days ago

Principal Software Development Engineer - Agentic Systems

Open 46d HybridAPACPrincipal 11 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.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.
India
Bangalore, IND

Principal engineer in Zscaler's Exposure Management & Security Operations team (hybrid, Bangalore), leading the architecture and delivery of large-scale AI/ML infrastructure, LLM serving platforms, and agentic workflows for cloud-scale cybersecurity, while mentoring engineers and driving cross-functional technical strategy on distributed systems and cloud platforms.

Agentic AI Agile AI Authentication AWS +18 skills
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Zscaler Backed by Lightspeed
54 views 5 days ago

Principal Software Development Engineer (Microservices)

Open 26d HybridNorth AmericaContractPrincipal 11 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.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
Santa Clara, California

Principal engineer leading the modernization of Zscaler's ZIA control plane into cloud-native, API-first microservices on AWS (Go, Kubernetes, Kafka), owning end-to-end design, multi-region reliability (SLOs, observability), and microservices security. Hybrid role based in the Santa Clara, CA office, minimum 3 days per week.

Agile AI API Argo CD Aurora +42 skills
186K – 265K $
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Zscaler Backed by Lightspeed
92 views 5 days ago

Principal Software Development Engineer (Layer 7 Security & Proxy)

New HybridNorth AmericaFull-timePrincipal No extra 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.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
Santa Clara, California

Principal architect providing technical leadership for Zscaler's ZIA proxy architecture, working on Layer 7 protocols (QUIC/HTTP3, HTTP/2), TLS/SSL inspection, and modernizing the C codebase while mentoring teams. Requires 12+ years in network security software; hybrid role with 3+ days per week in the Santa Clara, CA office.

Agile AI Cloud Cloud Security Design Patterns +15 skills
212K – 265K $
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Advanced Micro Devices, Inc
122 views 5 days ago

Principal Software Development Engineer, GPU Primitives Libraries

New North AmericaPrincipal
AB, Calgary

Principal software engineer on AMD's ROCm team, developing and optimizing open-source GPU-accelerated algorithm and collective libraries (rocPRIM, hipCUB, rocThrust, rocRAND, hipRAND). Day to day: high-performance C++ GPU coding, data-driven optimization for AMD hardware, debugging, and participation in ASIC/hardware bring-ups.

Agentic AI Agile AI Assembly C++ +5 skills
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Vention
56 views 5 days ago

Staff Software Developer, Simulation / Développeur(se) logiciel principal(e), Simulation

New HybridNorth AmericaPrincipal
United States
Montréal, CA

Staff-level developer who owns the architecture of Vention's browser-based simulation platform, integrating and scaling the MuJoCo physics engine within a Kubernetes-run digital-twin system, and extending it to support physical AI (robot training/sim-to-real). Heavy focus on C++/TypeScript, distributed systems and performance at scale.

Agile AI CI/CD Cloud C++ +8 skills
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Varda Space
30 views 5 days ago

Principal Fluid Systems Engineer - Payloads

Open 47d North AmericaPrincipal Salary + equity 3 questions
United States
El Segundo, California

Varda Space is hiring a Principal Fluid Systems Engineer in El Segundo, CA to define and lead development of first-of-their-kind electromechanical fluid-handling payloads that manufacture pharmaceuticals in microgravity and survive hypersonic reentry. The role spans requirements, architecture, precision valves/pumps/thermal control hardware, testing campaigns, and mentoring, using tools like Pytho

Business Development Fea Fiber Itar MATLAB +1 skills
182K – 232K $
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PermitFlow Backed by Y CombinatorBacked by Accel
140 views 5 days ago

Principal Software Engineer, Platform

New HybridNorth AmericaPrincipal 8 questions
United States
New York City, NY

PermitFlow is redefining how America builds. We’re an applied AI company serving the nation’s builders, tackling one of the largest information challenges in the economy: understanding what can be built, where, and how…

Agentic AI AI Bazel CI/CD Cloud +6 skills
250K – 300K $
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UKG
42 views 5 days ago

Principal Software Engineer- Eng

New On-siteAPACPrincipal 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.
India
Noida, UP

Why UKG: At UKG, the work you do matters. The code you ship, the decisions you make, and the care you show a customer all add up to real impact. Today, tens of millions of workers start and end their days with our…

Agentic AI AI API Authentication Automation +29 skills
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Interface Recruitment
52 views 5 days ago

Principal Java Developer - Hybrid Working (Very flexible) - Scientific Sector REF 1042

New HybridUKPrincipal
United Kingdom
Rodley

Principal Java Developer at a not-for-profit scientific research and educational charity in Rodley (hybrid, very flexible). Day to day: full-stack design and delivery of life-sciences desktop/web software in Java/Spring, Angular and relational databases, plus guiding architecture, best practices and mentoring the delivery team.

Agile Angular CI/CD Cloud Corrective Action +7 skills
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Metrea
29 views 5 days ago

Principal Radar Software Engineer

Open 63d North AmericaFull-timePrincipal 5 questions
United States
Victor, NY

A hands-on principal-level C++ systems engineer who owns RADLAB CORE, the shared software platform behind Metrea's radar, communications, and RF sensing R&D. Day to day this means architecting the codebase and CI/CD, optimizing signal processing pipelines (SIMD, concurrency, GPU offload), and integrating the platform with RF prototype hardware.

Agile API Automation CI/CD CMake +13 skills
150K – 185K $ / hr
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11101 Citibank Europe plc Poland
48 views 5 days ago

Principal Software Engineer

New HybridEuropeFull-timePrincipal
Poland
Warsaw

Principal Software Engineer at Citi's Warsaw technology center, leading architecture and delivery of the next-generation Risk Management Platform — defining engineering standards, mentoring global teams, and building scalable distributed backend systems. Core stack: Java/Python/Go/C++, Kafka, microservices, cloud (Docker/Kubernetes/OpenShift), and relational/distributed databases.

API Automation CI/CD Cloud Containerization +12 skills
355K – 604K PLN
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RELX International
18 views 5 days ago

Consulting/Principal Software Engineer

New LATAMPrincipal
Mexico
Distrito Federal

Principal Software Engineer at LexisNexis Legal & Professional (RELX) in Mexico City, leading complex legal-tech development: shaping product architecture, serving as technical lead for external partners, mentoring developers, and writing/reviewing C#/.NET and Angular code. Hybrid role with 2 days per week at the Reforma office.

AI Analytics Angular C# Data Modeling +4 skills
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MaintainX
29 views 5 days ago

Principal Développeur(se) Logiciel de Plateforme

Open 92d HybridNorth AmericaFull-timePrincipal 4 questions 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
Montreal

MaintainX is a leading mobile-first work execution platform for industrial and frontline teams. More than 13,000 customers , including Duracell, McDonald's, Shell, DHL and Volvo, use MaintainX to cut unplanned downtime…

API AWS Bash CI/CD Distributed Systems +6 skills
131K – 195K $
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Clera
72 views 5 days ago

Principal Robotics Software Engineer

New On-siteNorth AmericaPrincipal 2 questions
United States
San Francisco

About the Role Join the robotics team at a defense technology company developing autonomous systems to detect and counter unmanned aerial threats. This is a senior, hands-on individual contributor role focused on…

CI/CD C++ ROS 2 Sensor Fusion
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Okta Backed by a16zBacked by SequoiaBacked by Greylock
56 views 5 days ago

Principal Software Engineer

Open 33d North AmericaPrincipal 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.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.
United States
San Francisco, California

Principal engineer on Okta's OIG team, taking end-to-end ownership of identity governance features — design, implementation, testing, deployment, and monitoring — for enterprise customers at scale. Core stack is Java/Kotlin/Go with microservices, event-driven architecture, and APIs.

ABAC AI API AWS Azure +16 skills
224K – 308K $
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LinkedIn Backed by Sequoia
9 views 5 days ago

Principal Staff Software Engineer, Data Infrastructure

New HybridNorth AmericaContractPrincipal 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.
United States
Mountain View, CA

At LinkedIn, our approach to flexible work is centered on trust and optimized for culture, connection, clarity, and the evolving needs of our business. The work location of this role is hybrid, meaning it will be…

AI Data Lake Distributed Systems Embeddings Flink +4 skills
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Boehringerprd
4 views 5 days ago

Principal Software Engineer

New LATAMPrincipal
Argentina
Buenos Aires

The Position At Boehringer Ingelheim, data is a key enabler of innovation, scientific advancement, and business transformation. Our global Data Platforms team builds and operates the cloud-based foundations that allow…

AI Airflow API API Gateway Automation +33 skills
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Instructure Hungary Ltd
27 views 5 days ago

Principal Software Engineer

New EuropePrincipal
Hungary
Budapest

At Instructure , we believe in the power of people to grow and succeed throughout their lives. Our goal is to amplify that power by creating intuitive products that simplify learning and personal development,…

AWS Cloud Cloud Native Rails Ruby +1 skills
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Cytix
36 views 5 days ago

Principal Software Engineer

New HybridUKFull-timePrincipal No extra questions
United Kingdom
Manchester

You’ll be a Technical Leader, unblock the engineering team by resolving complex technical impasses, standardising engineering practices, and owning cross-functional initiatives. You'll still be a highly hands-on…

AI API AWS Developer Experience Koa +7 skills
100K – 120K £
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BAE Systems
35 views 5 days ago

Senior Principal Systems Engineer-Development

New North AmericaFull-timePrincipal 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.
United States
Nashua, New Hampshire

Job Description Our employees work on the world’s most advanced electronics – from providing the latest in missile seeker innovations to autonomous smart munitions. Spanning air, land, sea, and space, we are developing…