Senior Tech Lead Jobs

We believe communication belongs to everyone. We exist to democratize phone service. TextNow is evolving the way the world connects and that's because we're made up of people with curious minds who bring an optimistic, yet critical lens into the work we do. We're the largest provider of free phone service in the nation. And we're just getting started. Join us in our mission to break down barriers to communication and free the flow of conversation for people everywhere. TextNow is looking for an experienced Senior Web Developer to play a key role in the development of our voice and messaging platform on Web. You will be responsible for building high-performance, scalable, and feature-rich mobile applications that integrate voice, video, and messaging capabilities. You will work alongside a talented team of developers, product managers, and UX/UI designers to create intuitive and user-centric experiences. What You'll Do Design, develop, and maintain a high-quality Web application focused on voice and messaging features (voice calling, chat, real-time notifications, etc.). Write clean, maintainable and testable Web applications in Javascript using the latest programming techniques and frameworks Collaborate with cross-functional teams to define, design, and ship new features. Work with real-time communication protocols, such as WebRTC, SIP, and related messaging and voice frameworks. Optimize app performance to ensure smooth voice and messaging functionality, including audio quality, latency, and bandwidth usage. Troubleshoot and debug issues related to performance, crashes, and other bugs, ensuring a smooth and stable user experience. Own problems and solutions end-to-end, from ideation to deployment Experimentation is a key part of your workflow; be data-driven and make the right decisions for our customers Dep

HackerRank helps companies like NVIDIA, Amazon, and Microsoft hire and upskill the next generation of developers based on skills, not pedigree. Our platform is trusted by over 2,500 of the world’s most innovative companies to build strong engineering teams ready for what’s next. Software has entered an era where humans and AI build side by side. As this shift accelerates, the definition of strong technical talent is changing. We give companies better ways to identify and invest in next-generation skills. People at HackerRank care deeply about the impact of their work and sweat the small details so our customers can be wildly successful with products they genuinely love to use. We move with urgency and believe great outcomes come from high standards. About the role Hiring is one of the most consequential decisions a company makes. 3,000+ enterprises rely on HackerRank to get it right. We are now reinventing how that works for the agentic era. The ML systems that power this platform are not auxiliary features. They are the product. Open Problems The agentic era is reshaping every layer of the hiring stack. These are some of the core problems you'll be working across, none of them fully solved. Chakra: Building an autonomous AI interviewer that conducts, adapts to, and evaluates technical interviews end to end. Integrity: Detecting fraud and suspicious behavior across multiple signal types. The ways candidates game assessments change frequently, and the models need to keep up. Evaluation: Measuring technical skill in a world where AI writes the code. The old proxies no longer hold and the new ones have not been defined yet. Your focus will shift across these depending on where the highest-leverage work is at any given time. What you will do Design and ship production ML systems across Chakra, integrity, and evaluation domains. Own the full ML lifecycle: problem framing, data strategy, experimentation, deployment, and iteration. Build evaluation infrastructure and bench

About Appier Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information. Open to overseas candidates/Visa Support This position is based in Tokyo, Japan. For international candidates, Appier's Japan office provides visa sponsorship to ensure a smooth transition to Japan. The Impact You’ll Make at Appier Appier is seeking a Senior Machine Learning Scientist to join our Advertising Cloud Optimization team , which leads the development of core machine learning algorithms driving campaign efficiency and advertiser ROI. Our programmatic advertising platform operates at a massive scale, handling over multi millions queries per second (QPS), all powered by our proprietary deep learning models for bidding, pricing, and personalized content delivery. In this role, you’ll further improve bidding strategies, audience targeting and creative optimization by deep-diving RTB ecosystem including SSP/DSP/MMP to design the strategy, enhancing user signals or applying advanced deep learning model What You’ll Work On Deep-dive the RTB ecosystem to identify the potential direction and decide the bidding strategy Leverage advance deep learning model to improve bidding/audience model performance Co-work with teams to improve real-time/long-term user interaction signal collection and to further improve model performance What We’re Looking For Master’s or PhD’s degree in Computer Science, Machine Learning, Statistics, or related field. 3+ years of industry experience on RTB ecosystem Proficiency in Python and SQL experience with modern ML frameworks and deep learning model (PyTorch, TensorFlow, etc.). Strong ownershi

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. Role Summary As a Senior Member of Technical Staff (SMTS), you are a module‑level CMP technical authority , responsible for defining CMP technical direction, leading FOAK developments, and driving cross‑functional execution across NAND nodes. As a SMTS (Senior Member of Technical Staff), you will be a part of revolutionary Next Generation NAND research & development CMP team driving Advanced NAND and CMP technology forward. The position promises ample opportunities for innovation, collaboration and testing a new dimension and scaling with Next Generation NAND. A SMTS CMP Engineer is a senior individual contributor responsible for defining, developing, and transferring advanced CMP processes for Micron NAND technologies. You will work directly with process integration and other process areas such as Wet Etch, CVD, Diffusion, Metals, Lithography & Dry Etch. You will work on state of the art and best in class CMP chambers & own the process roadmap to meet program and yield goals. Main Responsibilities Own and lead key NAND CMP process modules, translating technology challenges into executable roadmaps across current and future nodes Drive cross‑functional execution across Technology Development, Process Integration, Manufacturing, a

Screener is responsible to ensure the safe and efficient screening of hold baggage, ensuring compliance with regulatory standards and the detection of prohibited items or security threats. The Screener will be responsible for operating screening equipment, documenting findings, collaborating with other security staff, and interacting with passengers to maintain the highest standards of security. Source: Adani Group | Job ID: 49118

Job Title: Senior Software Engineer Company: Canopy, Inc. Location: SF Bay Area About Us: At Canopy, we're on a mission to make hospitals a safer place for healthcare workers through innovative technology. We're a dynamic and forward-thinking company, known for our reliable and user-friendly solutions and commitment to pushing boundaries. Our team is composed of top talent from diverse backgrounds, and we're looking for a Senior Engineer to join our exciting journey in the SF Bay Area. What You'll Be Doing: As a Senior Software Engineer at Canopy, you will play a pivotal role in developing, enhancing, and scaling our groundbreaking products and services from building new features to optimizing existing systems. You'll have the opportunity to work on a wide range of projects that have a meaningful impact on the lives of healthcare workers. Here are some of the challenges you'll tackle: Innovate: Work on cutting-edge technologies and collaborate with a team of top engineers to design, develop, and implement solutions that have a meaningful impact on healthcare workers' lives. Mastery: Develop both front-end and back-end components of our applications, ensuring seamless user experiences on top of our robust and scalable kubernetes platform. Influence: Participate in brainstorming sessions, code reviews, and architectural discussions to shape the direction of our products and services. Problem solve: Tackle complex technical problems and find creative solutions to overcome challenges. Collaboration: Collaborate with cross-functional teams, including designers, product managers, and other engineers, in our remote-first organization to bring innovative ideas to life. Mentorship: Share your knowledge and expertise with team members, fostering a culture of learning and growth. What We're Looking For: Bachelor's or Master's degree in Computer Science, Software Engineering, or related field, or equivalent experience. 5+ years of experience in development Proficiency with mode

We are looking to hire a Senior Manager, FP&A to be a strategic business partner with our Sales and Marketing organization. This individual will be responsible for partnering cross-functionally with senior management to build annual budgets, manage forecasts, and provide decision support through financial analyses to ensure optimal returns on strategic investments. This is a key position providing guidance on financial and operational matters across the entire organization. Duties and Responsibilities: Serve as the strategic finance partner to Sales and Marketing leadership (CRO, CMO, and their teams), influencing go-to-market strategy, investment priorities, and resource allocation Own the GTM portion of the annual operating plan, quarterly reforecasts, and long-range plan, including bookings, pipeline, quota capacity, headcount, and Sales & Marketing operating expenses Lead capacity and productivity planning with Sales Operations: rep hiring plans, ramp assumptions, quota setting, territory coverage, and attainment Partner with Marketing to model and optimize demand-gen spend, pipeline contribution, funnel conversion, and channel ROI Own reporting and analysis of key GTM and SaaS unit economics, including ARR, net new ARR, net and gross revenue retention, churn, CAC, CAC payback, LTV:CAC, and S&M efficiency (magic number) Lead monthly and quarterly close for S&M: budget-vs-actual and forecast-vs-actual variance analysis, holding leaders to their budgets and explaining what drove performance Prepare and present Sales & Marketing performance updates, business reviews, and recommendations to the executive team, and contribute GTM content to board materials Build business cases and scenario models for major GTM decisions, such as new segments or geographies, pricing and packaging, partner/channel programs, and large marketing investments Partner with Sales Ops, Accounting, and HR/Total Rewards on sales compensation plan design, cost modeling, and c

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. As a Senior Security Software Engineer for Infrastructure Security you will be a part of the Information Security organization and report to the Senior Manager of Infrastructure Security. You will help shape the future of Platform Security at Roblox. We work closely with Production IAM, Network Security, and Cloud Security at Roblox. You Will: Identify security gaps and threats in our cloud and on premise infrastructure, partnering with Governance Risk and Compliance teams to create standards and policies along the way. This will help Roblox meet regulatory and compliance requirements. Harden our infrastructure by introducing secure by default configurations, designs and guardrails for all developers at Roblox. Own and drive solutions that enable Roblox engineers to design, build, and use infrastructure securely at scale. Work closely with other InfoSec teams (AppSec, D&R, GRC, CorpSec, CloudSec, NetSec) and partner with engineering teams across Roblox, specifically the Infrastructure organization, to ensure the secure outcomes of security and product driven initiatives. You Have: 5+ years of experience writing code and/or relevant technical experience. Experience with

Senior Fullstack Software Engineer Location: Soho, NYC / Hybrid (an in-person interview may be required) Department: Engineering The Role We’re looking for a Senior Fullstack Software Engineer to help architect, build, and scale the next generation of our Flowcode 2 platform and consumer experiences. You will join our engineering team with a focus on creating amazing end user hub and landing page experiences that are dynamic and engaging, as well as the platform and management capabilities for creators on the platform. You’ll work across the stack — from contributing to backend services to building out dynamic end to end landing pages. Though this is a full stack position, we are looking for someone that has deep backend experience as well. As one of the senior engineers on a small but highly capable team, you’ll own medium to large sized features, drive technical execution, contribute to a delivery focused environment, and mentor others. You’ll balance hands-on engineering with architectural thinking, helping us move fast while maintaining reliability, performance, and code quality. This is an ideal role for a problem-solver who values simplicity over complexity, enjoys building dynamic and interactive applications and approaches engineering with pragmatism and curiosity. What You’ll Do Design, build, and maintain scalable features across a modern front-end framework and backend services. With support, own key features end-to-end, from data design to user-facing experiences. Architect for growth — help drive your pods’s technical roadmap and shepherd established engineering best practices. Collaborate across teams with product, design, and data to deliver measure, deliver and grows features quickly and iteratively. Write clean, reliable, and maintainable code, with strong attention to performance, best practices and developer experience. Mentor engineers and help elevate technical execution across you pod. Stay pragmatic — balance ideal engineering with the

Who We Are Nuro is a self-driving technology company on a mission to make autonomy accessible to all. Founded in 2016, Nuro is building the world’s most scalable driver, combining cutting-edge AI with automotive-grade hardware. Nuro licenses its core technology, the Nuro Driver™, to support a wide range of applications, from robotaxis and commercial fleets to personally owned vehicles. With technology proven over years of self-driving deployments, Nuro gives the automakers and mobility platforms a clear path to AVs at commercial scale, empowering a safer, richer, and more connected future. About the Role The Mapping team in Nuro takes a machine learning-first path to unblock geographic capability with lower costs. This team plays a crucial role in the advancement of autonomous driving systems by creating and improving different components in the full lifecycle of ML models for multiple teams in this organization. We are searching for an engineer with experience building reliable and scalable machine learning infrastructure and a strong desire to contribute to the future of robot navigation for logistics and transportation. About the Work Mainly focus on building and improving HD map generation and release pipelines. Develop scalable workflows to manage first party and third party map data. Develop and manage APIs for internal users to access data. Improve and refactor existing workflows and toolings to boost efficiency. Engage with other mapping teams to help identify issues and establish long-term relationships that include knowledge sharing. About You BS in Computer Science, Robotics or another quantitative area. You have experience in one or more of the following areas: large-scale distributed systems; data storage and processing systems; advanced algorithms using C++ and Python; multithreading; and software performance tuning and optimization. Ability to efficiently develop, debug, and support new technologies in a changing environment. Str

As a Senior Product Manager for Serverless at Datadog, you will define and deliver products that help developers monitor and operate serverless applications at scale. You’ll own the strategy and execution for Datadog’s AWS Serverless observability offering, building experiences that provide visibility into distributed systems and simplify debugging and operations. This role sits at the intersection of cloud infrastructure, developer experience, and AI-powered workflows, and is ideal for a PM who thrives in highly technical product areas. You will work cross-functionally and with external partners to shape how customers build and run modern serverless applications. At Datadog, we place value in our office culture - the relationships and collaboration it builds and the creativity it brings to the table. We operate as a hybrid workplace to ensure our Datadogs can create a work-life harmony that best fits them. What You’ll Do: Own and drive the roadmap for Datadog’s AWS Serverless observability products, including Lambda, Fargate, and Step Functions Define how developers monitor, debug, and operate serverless systems across distributed environments Partner with engineering and design to deliver end-to-end product capabilities from concept through launch and iteration Collaborate with AWS product teams to align roadmaps and deliver joint solutions for shared customers Engage with customers to understand serverless adoption patterns and validate product direction Define and track success metrics such as adoption, usage, and impact on developer workflows Who You Are: 5+ years of product management experience building technical products in areas such as cloud infrastructure, developer platforms, or observability Strong understanding of distributed systems, cloud-native architectures, and modern application development practices Familiarity with serverless technologies, containers, Kubernetes, or microservices environments Comfortable working closely with engineers and discu

The Consumption Based Billing & Licensing (CBBL) team builds the systems that decide what customers can access, what they've purchased, and what they've used. We own the infrastructure behind licensing, entitlements, and usage-based billing for Asana's newer products and add-ons — making sure customers get the right paid features, usage is tracked accurately, and admins have clear ways to understand and manage their accounts. As Asana expands its product surface and pricing models, the systems we build directly shape how the business grows and how customers experience the value of what they've bought. This role is based in our Vancouver office with an office-centric hybrid schedule. The standard in-office days are Monday, Tuesday, and Thursday. Most Asanas have the option to work from home on Wednesdays. Working from home on Fridays depends on the type of work you do and the teams with which you partner. If you're interviewing for this role, your recruiter will share more about the in-office requirements. What you’ll achieve: Lead and grow a team of engineers working across backend systems, platform services, and customer-facing experiences. Set technical direction and help shape the roadmap for licensing and billing capabilities. Partner closely with Product, Design, Data, Finance, Sales, and other engineering teams to turn ambiguous business needs into shipped solutions. Drive execution on projects such as: licensing and access control usage tracking and billing admin dashboards, alerts, and controls bulk and automated license assignment trial and add-on provisioning flows Make thoughtful trade-offs across scalability, reliability, correctness, and speed of delivery. Coach engineers, support their growth, and build a high-performing team culture. Communicate clearly with senior stakeholders and explain technical decisions in business-friendly terms. About you: Strong engineering management experience, ideally at the level of leading a team through complex prod

Figma is growing our team of passionate creatives and builders on a mission to make design accessible to all. Figma’s platform helps teams bring ideas to life—whether you're brainstorming, creating a prototype, translating designs into code, or iterating with AI. From idea to product, Figma empowers teams to streamline workflows, move faster, and work together in real time from anywhere in the world. If you're excited to shape the future of design and collaboration, join us! We are looking for a Senior Account Executive, UK Government who will play a critical role in building and scaling Figma’s presence within Government organisations. This is a specialist position focused on developing a new and strategic segment, requiring a highly experienced seller with deep domain expertise, strong executive relationships, and the ability to operate in an early-stage market. This role currently sits within the Enterprise segment and represents a unique opportunity to establish and grow Figma’s Government business from an early foundation. What you’ll do at Figma: Own and build Figma’s Government (Public Sector) pipeline and book of business, focused on establishing initial traction and long-term growth Create and execute a GTM strategy for Government accounts, identifying priority agencies and opportunities Build and nurture relationships with senior stakeholders and decision-makers across Government organisations Apply discovery-led, value-based selling to align Figma’s platform with complex public sector needs and procurement processes Develop and execute strategic account plans, driving multi-threaded engagement across departments and functions Navigate long, complex sales cycles, including compliance, procurement, and regulatory considerations Partner closely with cross-functional teams to position Figma effectively, drive deal progression and ensure successful adoption and expansion Lay the foundation for a scalable Government business, contributing to future team b

About the Team DoorDash Labs is an independent team within DoorDash. We explore robotics and automation to transform last-mile logistics in the long term. If you have a passion for applying robotics solutions in a service used by millions of people, then we want to talk to you! About the Role You will be a fundamental and experienced member of the Service Operations team at DoorDash Labs. You will complete more advanced diagnostic and repair work to maximize uptime, supporting our overall fleet utilization goals. You will report to the Associate Operations Manager, Service, in our DoorDash Labs organization. This is an on-site role with expectations of 100% in-office in Fremont, CA, San Jose, CA, or Sunnyvale, CA. You’re excited about this opportunity because you will… Execute any Senior Service Technician task and: Diagnose complex, intermittent, or unusual faults in robotic systems, modular components, and support vehicles, often requiring advanced troubleshooting techniques and interpretation of complex data Perform advanced repairs, including component-level troubleshooting and fixes on intricate electrical systems, control units, and associated hardware, with minimal supervision Interpret complex technical manuals, schematics, and diagnostic flowcharts to guide troubleshooting efforts Meticulously document complex diagnostic processes, root cause hypotheses, non-standard troubleshooting steps, repair details, and component failure information in the service management system, contributing potential updates to the knowledge base Provide technical guidance, mentorship, and on-the-job assistance to Level 2 Technicians for challenging tasks Work independently to manage and prioritize assigned workload effectively Calibrates, configures, and maintains specialized diagnostic tools and test equipment We operate 7 days a week, 16 hrs a day to support Robot Operations. During training, you will be on a temporary schedule until your on-the-job training is completed

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team + role We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. The Corporate Systems team focuses on maintaining secure, reliable systems that support employees across the company. This team works closely with Security, IT, and Engineering partners to manage identity systems, endpoint devices, and cloud infrastructure. The goal is to ensure systems are scalable, dependable, and prepared to address evolving security risks. As an Application Engineer, you will manage and improve systems that support identity, device management, and cloud infrastructure. You will build automation to streamline account and device lifecycle processes, respond to technical issues, and contribute to engineering standards through code reviews and documentation. You will also use AI-assisted tools to enhance development workflows and improve efficiency. This role is based in our Menlo Park, CA office(s), with in-person attendance expected at least 3 days per week. At Robinhood, we believe in the power of in-person work to accelerate progress, spark innovation, and strengthen community. Our office experience is intentional, energizing, and designed to fully support high-performing teams. What you’ll do You manage endpoint devices, identity systems, Okta, Go