Senior Lead Python Jobs

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Location: Houston, TX About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Int

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. We are looking for a Senior Technical Recruiter to join our Talent Acquisition Team. This is a hybrid role based out of our Santa Clara, CA HQ (on-site Tuesday–Thursday), reporting to the Head of Technical Recruiting. In this role, you will execute full-cycle recruiting—identifying, engaging, and hiring top technical talent at Zscaler. By aligning with immediate team priorities and following established selection processes, you will ensure we build strong teams through inclusive and thoughtful execution. What You’ll Do (Role Expectations) Execute full-cycle recruiting for technical roles, ensuring an exceptionally positive candidate experience at every touchpoint Collaborate with hiring managers and leaders to assist in the design and delivery of tailored recruitment strategies that align with immediate team priorities Support hiring teams with minimal supervision from recruitment kickoff meetings through offer formulation,

Who We Are Verkada is transforming how organizations protect their people and places with an integrated, privacy-sensitive AI-powered platform that includes solutions for video security, access control, air quality sensors, alarms, intercoms, and visitor management. We’ve got serious momentum in the market: more than 30,000 customers (including 100+ of the Fortune 500), a $5.8B valuation , more than $1 billion in annualized bookings, and backing from CapitalG, Sequoia Capital, General Catalyst, Felicis Ventures, Next47 and more. Physical AI is one of the most consequential technology shifts of our time, and Verkada is at the center of it. You can look at all kinds of communities to see our platform’s impact in the world. It's the retailer that uses our agentic AI to deter theft before it happens. The warehouse that uses AI-powered alerts to make sure its team is protected on the floor with proper PPE. The school that’s alerted to a threat in real-time and triggers a lockdown in seconds, not minutes. We’re rapidly scaling this impact: today, more than 2 million Verkada devices are deployed across 170+ countries. About the Role We are a small, dynamic team focused on building cloud-managed access control systems. Access Control is our second major product line. Our Access Control solution allows users to manage their doors, schedules, and user credentials from virtually anywhere on their laptop or phone. We consider our team a startup within a startup, with a fair amount of ownership and autonomy. You’ll be working alongside a dynamic team of firmware, backend, and frontend engineers to develop this product line. What You'll Do Excited by new products and startups You think about delivering best-in-class products and experiences - not features You can take a less-than-fully-fleshed-out product idea and drive it to completion What You Bring 7+ years of industry software engineering experience Mastery of JavaScript: Scoping, closures, contexts, prototypes, c

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Get to know Okta Okta is The World’s Identity Company. We free everyone to safely use any technology—anywhere, on any device or app. Our Workforce and Customer Identity Clouds enable secure yet flexible access, authentication, and automation that transforms how people move through the digital world, putting Identity at the heart of business security and growth. At Okta, we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box, we’re looking for lifelong learners and people who can make us better with their unique experiences. Join our team! We’re building a world where Identity belongs to you. The Engineering Opportunity We are looking for an experienced Senior Site Reliability Engineer to join Okta's Emerging Products Group (EPG). Our mission is to build highly reliable, scalable, and secure cloud services that our customers can trust. We embrace an automation-first mindset and continuously invest in platform engineering, observability, and operational excellence to enable our engineering teams to move quickly and safely. This role is ideal for an engineer who enjoys solving complex technical challenges at scale, building automation, and improving the reliability of production systems. You will serve as a key contributor within the EPG SRE organization, partnering closely with software engineers, architects, and product teams to design, build, and operate world-class

Fanatics Commerce is the global leader in licensed sports merchandise, operating a vertically integrated platform that designs, manufactures, and delivers officially licensed apparel, jerseys, headwear, and collectibles for major leagues, teams, and events worldwide. With more than 900 e-commerce sites and a global omnichannel presence across digital, in-venue, and retail, Fanatics Commerce reaches fans in over 180 countries and powers official fan experiences for many of the world's most iconic sports properties. At Fanatics, we bring our BOLD Leadership Principles to life every day - building championship teams, obsessing over fans, acting with entrepreneurial speed, and delivering with a determined and relentless mindset. Fanatics Commerce is the global leader in licensed sports merchandise, operating a vertically integrated platform that designs, manufactures, and delivers officially licensed apparel, jerseys, headwear, and collectibles for major leagues, teams, and events worldwide. With more than 900 e-commerce sites and a global omnichannel presence across digital, in-venue, and retail, Fanatics Commerce reaches fans in over 180 countries and powers official fan experiences for many of the world's most iconic sports properties. At Fanatics, we bring our BOLD Leadership Principles to life every day—building championship teams, obsessing over fans, acting with limitless entrepreneurial spirit, and delivering with a determined and relentless mindset. As we continue to scale our global platform, the Sr. Director, Operational Art will play a critical role in translating creative concepts into production-ready licensed sportswear and jerseys at global scale. ROLE OVERVIEW The Sr. Director, Operational Art leads the execution of production-ready artwork, color separations, embellishment specifications, and the sample-to-production process for licensed sportswear and jerseys across domestic and global manufacturing partners. This role partners cross-functionally with

Hyliion is committed to creating innovative solutions that enable clean, flexible and affordable electricity production. The Company’s primary focus is to develop distributed power generators that can operate on various fuel sources to future-proof against an ever-changing energy economy. Job Purpose The Senior Manufacturing Engineer serves as the senior technical authority for assembly process and equipment design within the Industrialization team. This position designs the assembly lines, fixtures, and material flow systems that convert KARNO prototype and development builds into repeatable, scalable production operations — and then systematically removes waste, labor content, and variation from those operations. Working closely with industrialization leadership, design engineering, production, quality, and supply chain, the Senior Manufacturing Engineer owns the most complex assembly value streams end to end: line and station design, fixture and tooling design, material presentation and handling, process qualification, and continuous waste reduction. This position sets the technical standard for how assembly processes are designed and documented at Hyliion, provides mentorship and design review for other manufacturing engineers, and is accountable for measurable improvement in cycle time, first-pass yield, labor content, and ergonomics across the assembly areas. AI at Hyliion At Hyliion, AI is core to how we work. We equip every team member with leading AI tools and count on you to use them — to move faster, solve harder problems, and help us realize the full potential of KARNO technology for the world. Duties and Responsibilities Assembly Line and Cell Design : Design assembly lines, cells, and workstations for KARNO core, module, and subassembly operations. Establish work sequencing, balance work content to takt, define station layouts and footprints, and design lines that accommodate planned rate increases rather t

Who You Are You are a seasoned security professional with a deep passion for uncovering vulnerabilities and improving product security through technical assessments and hands-on penetration testing. You pride yourself on being able to execute sophisticated security tests, identify issues, and implement pragmatic solutions, all while keeping the customer experience central. You enjoy working collaboratively across teams and have the ability to communicate complex technical concepts in a clear, approachable manner. Who We Are The MongoDB Product Security organization is a diverse collection of individuals working together to scale MongoDB’s security, both security of the products themselves and the security features we offer to customers. The team is responsible for assessing the security of our products including MongoDB Atlas Cloud , Ops Manager , Kubernetes Operator , and the MongoDB Server ( Community and Enterprise editions). Our team provides assurance that new MongoDB products and features are built to meet our customers’ high security needs through rigorous threat modeling, code analysis, and penetration testing. The MongoDB Product Security organization works with software engineers to design, implement, and operate systems in a manner that protects our customers and their data. It is a multidisciplinary team that covers product, software, cloud, infrastructure, and operational security concerns. The Product Security team: Conducts rigorous penetration testing and security assessments of MongoDB products Develops and deploys advanced AI tooling and modern automation to enhance assessment efficiency and workflows Works closely with Product and Engineering teams to advocate for security best practices and remediate vulnerabilities Builds a developer-driven security program where there is tight integration between engineering artifacts, process, and tooling Uses software architecture and coding patterns to reduce the impact of security issues Role Responsibiliti

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Observe by Snowflake is a high-growth SaaS observability platform built on the Snowflake AI Data Cloud, enabling businesses to troubleshoot modern distributed applications 10x faster. Now, as a core part of Snowflake, we’ve reached a major milestone in the evolution of the Snowflake platform. By bringing AI-powered observability directly into the Snowflake ecosystem, we’ve created the first truly unified platform for telemetry and business data. As a Senior Solutions Engineer for Observe, you will play a critical, highly-visible, role within our organization, serving as the primary technical resource for our Sales team. You will be responsible for driving the technical closure of sales opportunities by demonstrating the value of Observe to prospective customers. This role requires a blend of deep technical knowledge, strong presentation skills, and a customer-focused approach. KEY RESPONSIBILITIES: Technical Discovery and Presentation: Conduct in-depth technical discovery sessions with prospects to understand their current environment, challenges, and specific observability requirements. Tailor and deliver compelling product demonstrations and technical presentations that showcase how our solution addresses their needs. Proof of Concepts (POCs): Design, scope, and manage te

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Available Location: Portland, OR About the Role At Cloudflare, we are on a mission to help build a better Internet. As the architectural complexity of enterprise solutions scales, we are evolving how we partner with our customers. The Customer Engineer (CE) represents the core driver of our technical go-to-market strategy: a trusted advisor who owns the technical relationship from the initial discovery phase through to long-term adoption and ongoi

Who we are We are Fluxon, a product development team founded by ex-Googlers and startup founders. We offer full-cycle software development from ideation and design to build and go-to-market. We partner with visionary companies, ranging from fast-growing startups to tech leaders like Google and Stripe, to turn bold ideas into products with the power to transform the world. Many of our team members call the Bay Area home, but this role is fully remote across North America. About the role As a Senior Program Manager, you will manage complex, high-impact technical initiatives that drive innovation, scalability, and operational excellence across a diverse portfolio of projects for Fluxon clients. In this role, you will serve as a key point of contact for clients and partner closely with Engineering, Product, Project Management, Design, and senior leadership to define strategy, oversee execution, and ensure the successful delivery of large-scale technical programs. You will operate at the intersection of technology, business, and execution, translating ambiguous challenges into actionable plans and aligning cross-functional teams around shared objectives. The ideal candidate combines deep technical expertise, strong business judgment, exceptional communication skills, and proven leadership skills. You are comfortable navigating ambiguity, influencing senior stakeholders without direct authority, and driving measurable outcomes across multiple teams and organizations. Key responsibilities Manage complex, large-scale technical programs spanning multiple development teams, products, and organizations Oversee the overall program portfolio, managing timelines, dependencies, risks, resources, and critical blockers to ensure successful outcomes Serve as the primary point of contact for clients and executive stakeholders, managing expectations, communicating progress, and driving alignment Partner with senior leaders to navigate challenges, evaluate technical trade-offs, and driv

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Engine Networking Team pulls the players together by ensuring the communication of the game state to all. As a Senior Network Transport Engineer you will help the players experience the game as a nearly synchronous world. Just as the nerves in our bodies coordinate our actions, the network system coordinates all the computers involved into a smooth experience for the players. You will work in all areas of the game platform in your quest for real-time communication of every part of Roblox. You Have: Worked on a powerful user-space network stack, solving problems related to scale, performance, latency, and throughput in client/server environments. Worked on a very large multithreaded distributed system that connects millions of users worldwide. Worked on all the devices Roblox supports - from desktop clients to mobile phone clients to console clients Worked on a game engine and understand how a game engine works You Are: A software engineer with 7+ years of experience with Game networking coming from a Game Engine/Studio A deep understanding of Network Stack with a passion for working with open source Strong systems-level C++ programming experience and fascinated by the actual

Who we are We are Fluxon, a product development team founded by ex-Googlers and startup founders. We offer full-cycle software development from ideation and design to build and go-to-market. We partner with visionary companies, ranging from fast-growing startups to tech leaders like Google and Stripe, to turn bold ideas into products with the power to transform the world. Many of our team members call the Bay Area home, but this role is fully remote across North America. About the role As a Senior Program Manager, you will manage complex, high-impact technical initiatives that drive innovation, scalability, and operational excellence across a diverse portfolio of projects for Fluxon clients. In this role, you will serve as a key point of contact for clients and partner closely with Engineering, Product, Project Management, Design, and senior leadership to define strategy, oversee execution, and ensure the successful delivery of large-scale technical programs. You will operate at the intersection of technology, business, and execution, translating ambiguous challenges into actionable plans and aligning cross-functional teams around shared objectives. The ideal candidate combines deep technical expertise, strong business judgment, exceptional communication skills, and proven leadership skills. You are comfortable navigating ambiguity, influencing senior stakeholders without direct authority, and driving measurable outcomes across multiple teams and organizations. Key responsibilities Manage complex, large-scale technical programs spanning multiple development teams, products, and organizations Oversee the overall program portfolio, managing timelines, dependencies, risks, resources, and critical blockers to ensure successful outcomes Serve as the primary point of contact for clients and executive stakeholders, managing expectations, communicating progress, and driving alignment Partner with senior leaders to navigate challenges, evaluate technical trade-offs, and driv

Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. About the role We are looking for an experienced Senior Payroll Analyst to join our Global Payroll team and play a key role in the delivery and continuous improvement of payroll across our international markets. This is a senior operational role with responsibility for overseeing payroll activity across multiple countries. You will bring strong payroll expertise, sound judgement and a proactive approach to ensure employees are paid accurately, on time and in compliance with local legislation. Working closely with the Payroll Team, internal HR and People teams, Finance, Tax and external payroll providers, you will take ownership of complex payroll activities, provide subject-matter expertise and act as a key escalation point for payroll issues. The role will also provide opportunities to support international payroll projects, process improvements, system implementations and automation , helping Deliveroo build a scalable and efficient global payroll operation. What you’ll be doing Take ownership of the end-to-end payroll delivery for assigned international entities. Partner with local HR, People Operations, Finance and Tax teams to ensure payroll inputs are complete, accurate and delivered within agreed timelines. Review, validate and approve payroll inputs and outputs, identifying discrepancies, trends and potential risks before payroll is finalised. Apply a strong understanding of legislation across multiple jurisdictions, statutory requirements and payroll practices , ensuring processes remain compliant and appropriately controlled. Work closely with external payroll providers, holding them accountable for accuracy, timeliness, compliance and service delivery . Act as a s

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Senior Sales Engineer to join our team. This is a hybrid role based in the UK, reporting to the Senior Sales Engineering Manager in the Solutions Consulting department. You will be a key technical driver in our mission, presenting the Zscaler cloud security platform to prospective customers and translating their goals into enticing, relevant recommendations. You’ll act as a trusted advisor, guiding clients through their transformational journey while delivering technical victories. What you’ll do (Role Expectations) Present the Zscaler cloud security platform to prospective customers Set the vision and translate goals into enticing and relevant recommendations Become the trusted advisor to our clients while aiding their transformational journey Gather customer technical requirements and promote the value proposition in POV, presentations, and demos Who You Are (Success Profile) You th

firsthand supports individuals living with SMI (serious mental illness). Our holistic approach includes a team of peer recovery specialists, benefits specialists and clinicians. Our teams focus on meeting each individual where they are and walking with them side by side as a trusted guide and partner on their journey to better health. firsthand's team members use their lived experience to build trust with these individuals and support them in reconnecting to the healthcare they need, while minimizing inappropriate healthcare utilization. Together with our health plan partners, we are changing the way our society supports those most impacted by SMI. We are cultivating a team of deeply passionate problem-solvers to tackle significant and complex healthcare challenges with us. This is more than a job—it's a calling. Every day, you will engage in work that resonates with purpose, gain wisdom from motivated colleagues, and thrive in an environment that celebrates continuous learning, creativity, and fun. About the role The Senior Product Manager/Director owns how data and the software around it becomes useful, for our community teams, for our individuals, and for the health plan and provider partners who rely on our results. This person will treat our care model as a product, data as a product, and our technology solutions as a product - each interdependent and reinforcing each other in delivering the right care, to the right individual, at the right time. You’ll work with Engineering, Data, Clinical, Community teams and Operations to build software that fits how the work really happens. You’ll also help shape the care model the platform supports, because the best tools and the best care model are designed together. Software and Data Help to define vision, strategy and multi-year roadmap for the software platforms and AI and data products, tied to business outcomes and customer value. Make clear prioritization and investment tradeoffs across competin