Senior Software Application Development Engineer Jobs

Who We Are At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people. We’re helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in building something meaningful and having fun while doing it, we’d love to hear from you. We're united by shared goals and shared motivations at Justworks. These are best summed up in our company values, which are reflected in our product and in our team. Our Values If this sounds like you, you’ll fit right in. About the team / Product at Justworks The Justworks Product team advances our mission by building products that extend levels of personal care and deep expertise that our customers have never experienced before. They craft innovative solutions that guide users through the most complicated challenges of running (and working for) a small business, with ease. They deeply understand complex regulatory spaces like FinTech, Healthcare, and HRTech, and have a keen intuition for how to connect threads across our customers’ needs and our business’ risk management and commercialization strategy. Our Product Managers lead highly collaborative creative endeavors, bringing together stakeholders across engineering, design, data services, operations, and customer-facing teams to deliver tangible value. By joining us, you’ll be part of an experienced team of Product Managers who have a proven track record of building large-scale software products that impact small businesses worldwide. We’re looking for teammates who will help shape Justworks’ future and make a profound impact on our business. As a Product Manager, you’ll be working across complex spa

About Mixpanel Mixpanel is the leading product intelligence and analytics platform, trusted by more than 29,000 companies to help understand how people use the products they build. By combining powerful analytics with AI that knows your business, Mixpanel helps teams see what’s working, diagnose what’s not, and decide what to build next. Learn more at mixpanel.com . About the Team The Strategic Alliances team is small, fast, and outcome-oriented - not a program or account mapping factory. We spearhead the identification, investigation, development and execution of initiatives & partnerships aimed at moving the needle for some of Mixpanel’s most strategic levers. As Mixpanel continues its evolution, this team is at the forefront of defining our new ecosystem realities and opportunities, particularly within the emerging spaces in, and enabled by, AI. LLM’s, Vibecoders and MCP Servers and their adjacencies are our workspace. About the Role You'll own a portfolio of partner opportunities and sourcing of structural deals — embedded distribution, revenue share, API embedding, committed co-sell — with the companies defining how AI-native software gets built and distributed (think Snowflake, Stripe, Anthropic, Google, Glean and Replit) and target new relationships, owning first conversation through execution. You’ll also provide due diligence support for in-flight opportunities. You need to be comfortable with ambiguity and have the ability to translate company priorities into a set of actionable and achievable partnerships. You will work closely with stakeholders and senior leadership across Product & Engineering, Marketing, Channel and Sales teams to ensure tight alignment and smooth execution - to be successful, you will need a track record of this collaboration with quantifiable outcomes. Responsibilities End-to-end ownership of a set of strategic partnerships with LLMs, Hyperscalers, AI developer tools, data platf

About Mixpanel Mixpanel is the leading product intelligence and analytics platform, trusted by more than 29,000 companies to help understand how people use the products they build. By combining powerful analytics with AI that knows your business, Mixpanel helps teams see what’s working, diagnose what’s not, and decide what to build next. Learn more at mixpanel.com . About the Team The Strategic Alliances team is small, fast, and outcome-oriented - not a program or account mapping factory. We spearhead the identification, investigation, development and execution of initiatives & partnerships aimed at moving the needle for some of Mixpanel’s most strategic levers. As Mixpanel continues its evolution, this team is at the forefront of defining our new ecosystem realities and opportunities, particularly within the emerging spaces in, and enabled by, AI. LLM’s, Vibecoders and MCP Servers and their adjacencies are our workspace. About the Role You'll own a portfolio of partner opportunities and sourcing of structural deals — embedded distribution, revenue share, API embedding, committed co-sell — with the companies defining how AI-native software gets built and distributed (think Snowflake, Stripe, Anthropic, Google, Glean and Replit) and target new relationships, owning first conversation through execution. You’ll also provide due diligence support for in-flight opportunities. You need to be comfortable with ambiguity and have the ability to translate company priorities into a set of actionable and achievable partnerships. You will work closely with stakeholders and senior leadership across Product & Engineering, Marketing, Channel and Sales teams to ensure tight alignment and smooth execution - to be successful, you will need a track record of this collaboration with quantifiable outcomes. Responsibilities End-to-end ownership of a set of strategic partnerships with LLMs, Hyperscalers, AI developer tools, data platf

About Mixpanel Mixpanel is the leading product intelligence and analytics platform, trusted by more than 29,000 companies to help understand how people use the products they build. By combining powerful analytics with AI that knows your business, Mixpanel helps teams see what’s working, diagnose what’s not, and decide what to build next. Learn more at mixpanel.com . About the Team The Strategic Alliances team is small, fast, and outcome-oriented - not a program or account mapping factory. We spearhead the identification, investigation, development and execution of initiatives & partnerships aimed at moving the needle for some of Mixpanel’s most strategic levers. As Mixpanel continues its evolution, this team is at the forefront of defining our new ecosystem realities and opportunities, particularly within the emerging spaces in, and enabled by, AI. LLM’s, Vibecoders and MCP Servers and their adjacencies are our workspace. About the Role You'll own a portfolio of partner opportunities and sourcing of structural deals — embedded distribution, revenue share, API embedding, committed co-sell — with the companies defining how AI-native software gets built and distributed (think Snowflake, Stripe, Anthropic, Google, Glean and Replit) and target new relationships, owning first conversation through execution. You’ll also provide due diligence support for in-flight opportunities. You need to be comfortable with ambiguity and have the ability to translate company priorities into a set of actionable and achievable partnerships. You will work closely with stakeholders and senior leadership across Product & Engineering, Marketing, Channel and Sales teams to ensure tight alignment and smooth execution - to be successful, you will need a track record of this collaboration with quantifiable outcomes. Responsibilities End-to-end ownership of a set of strategic partnerships with LLMs, Hyperscalers, AI developer tools, data platf

About Mixpanel Mixpanel is the leading product intelligence and analytics platform, trusted by more than 29,000 companies to help understand how people use the products they build. By combining powerful analytics with AI that knows your business, Mixpanel helps teams see what’s working, diagnose what’s not, and decide what to build next. Learn more at mixpanel.com . About Mixpanel Engineering Mixpanel Engineering is a small, fast-moving team focused on delivering real value to customers. We build powerful AI-powered product analytics while obsessing over clarity, simplicity, and delight. Product innovation drives our business, and product engineering teams own that responsibility. The Product Engineering org is responsible for building our core product that delivers insights to customers. These teams are defining the next phase of our AI-led product experiences and are uniquely positioned to build the next generation of AI-first products. We build the tools product managers rely on to understand users, protect revenue, and scale companies. As we move toward IPO, our work evolves from showing what happened to explaining why. This shift unlocks deeper insight, better decisions, and the next generation of analytics. About the Role The Director of Engineering, reporting directly to the CTO, will be responsible for all of Product Engineering. You'll own the core analysis experience that product managers and engineers rely on daily, the growth infrastructure that brings new builders into the product and keeps them there, and the platform capabilities that let teams test and ship with confidence. Success is measured by revenue and retention. What You'll Do Lead multiple engineering teams across different product areas. This role is for someone who develops people seriously and holds a high bar for execution. Build an AI first product analytics for the next generation of software Hire well, coach deeply, and build a culture where engineers feel ownership and pride in what t

About Mixpanel Mixpanel is the leading product intelligence and analytics platform, trusted by more than 29,000 companies to help understand how people use the products they build. By combining powerful analytics with AI that knows your business, Mixpanel helps teams see what’s working, diagnose what’s not, and decide what to build next. Learn more at mixpanel.com . About the Team The Strategic Alliances team is small, fast, and outcome-oriented - not a program or account mapping factory. We spearhead the identification, investigation, development and execution of initiatives & partnerships aimed at moving the needle for some of Mixpanel’s most strategic levers. As Mixpanel continues its evolution, this team is at the forefront of defining our new ecosystem realities and opportunities, particularly within the emerging spaces in, and enabled by, AI. LLM’s, Vibecoders and MCP Servers and their adjacencies are our workspace. About the Role You'll own a portfolio of partner opportunities and sourcing of structural deals — embedded distribution, revenue share, API embedding, committed co-sell — with the companies defining how AI-native software gets built and distributed (think Snowflake, Stripe, Anthropic, Google, Glean and Replit) and target new relationships, owning first conversation through execution. You’ll also provide due diligence support for in-flight opportunities. You need to be comfortable with ambiguity and have the ability to translate company priorities into a set of actionable and achievable partnerships. You will work closely with stakeholders and senior leadership across Product & Engineering, Marketing, Channel and Sales teams to ensure tight alignment and smooth execution - to be successful, you will need a track record of this collaboration with quantifiable outcomes. Responsibilities End-to-end ownership of a set of strategic partnerships with LLMs, Hyperscalers, AI developer tools, data platf

About Mixpanel Mixpanel is the leading product intelligence and analytics platform, trusted by more than 29,000 companies to help understand how people use the products they build. By combining powerful analytics with AI that knows your business, Mixpanel helps teams see what’s working, diagnose what’s not, and decide what to build next. Learn more at mixpanel.com . About the Team The Strategic Alliances team is small, fast, and outcome-oriented - not a program or account mapping factory. We spearhead the identification, investigation, development and execution of initiatives & partnerships aimed at moving the needle for some of Mixpanel’s most strategic levers. As Mixpanel continues its evolution, this team is at the forefront of defining our new ecosystem realities and opportunities, particularly within the emerging spaces in, and enabled by, AI. LLM’s, Vibecoders and MCP Servers and their adjacencies are our workspace. About the Role You'll own a portfolio of partner opportunities and sourcing of structural deals — embedded distribution, revenue share, API embedding, committed co-sell — with the companies defining how AI-native software gets built and distributed (think Snowflake, Stripe, Anthropic, Google, Glean and Replit) and target new relationships, owning first conversation through execution. You’ll also provide due diligence support for in-flight opportunities. You need to be comfortable with ambiguity and have the ability to translate company priorities into a set of actionable and achievable partnerships. You will work closely with stakeholders and senior leadership across Product & Engineering, Marketing, Channel and Sales teams to ensure tight alignment and smooth execution - to be successful, you will need a track record of this collaboration with quantifiable outcomes. Responsibilities End-to-end ownership of a set of strategic partnerships with LLMs, Hyperscalers, AI developer tools, data platf

Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the world around us, that’s why we’re building a universal autonomy platform: self-driving for all roads and all rides. Founded in 2016, Nuro is a physical AI company developing Level 4 autonomous driving technology for a wide range of vehicles, use cases, and markets. Powered by the Nuro Driver™, our universal autonomy platform enables the global mobility ecosystem to deploy autonomy at scale, from robotaxis and logistics fleets to personal vehicles. With years of real-world deployment experience and a flexible, partner-led business model, Nuro is working toward a future where millions of autonomous vehicles powered by our technology help make everyday life safer, easier, and more connected. Nuro has raised over $2B in capital from Uber, NVIDIA, Google, Softbank, Fidelity, T. Rowe Price, and other leading investors. About the Team The Systems Engineering team is responsible for the requirements, architecture, and validation of autonomous driving capabilities across engineering disciplines. This includes designing performance metrics, evaluation methods, and criteria for success, which the team then drives cross-functional via requirement definition and system validation. Systems Engineering works at the intersection of hardware, software, and robot operations, with a deep understanding of technologies in all three. We are a small, high-impact team that sets the checkpoints for autonomy deployment. About the Role The Senior Systems Test Engineer (STE), Autonomy Behavior role is responsible for transforming Nuro's Verification & Validation (V&V) ecosystem. You will focus on the technical implementation, standardization, and automation of V&V processes. This involves creating a unified, automated architecture for validation , designing and

Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the world around us, that’s why we’re building a universal autonomy platform: self-driving for all roads and all rides. Founded in 2016, Nuro is a physical AI company developing Level 4 autonomous driving technology for a wide range of vehicles, use cases, and markets. Powered by the Nuro Driver™, our universal autonomy platform enables the global mobility ecosystem to deploy autonomy at scale, from robotaxis and logistics fleets to personal vehicles. With years of real-world deployment experience and a flexible, partner-led business model, Nuro is working toward a future where millions of autonomous vehicles powered by our technology help make everyday life safer, easier, and more connected. Nuro has raised over $2B in capital from Uber, NVIDIA, Google, Softbank, Fidelity, T. Rowe Price, and other leading investors. About the Role As a Senior/Staff Systems Engineer working on Autonomy Verification, you are responsible for verifying that the Nuro Driver is safe to deploy in our target ODD and complies with the rules of the road. This requires prior experience with the development or validation of autonomous systems, and a collaborative nature to work closely with a variety of teams across Nuro: Autonomy Software, Simulation, Product, and Operations. You will have end-to-end ownership from requirements definition, metrics design, and test strategy development. About the Work Create requirements for an autonomous system, ensuring safe operation within its ODD and compliance with the rules of the road. Design generalizable metrics and acceptance criteria to verify that the autonomous system satisfies these requirements, leveraging safety standards and methodologies. Propose and leverage diverse test strategies - synthetic and log simulation, on-ro

Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the world around us, that’s why we’re building a universal autonomy platform: self-driving for all roads and all rides. Founded in 2016, Nuro is a physical AI company developing Level 4 autonomous driving technology for a wide range of vehicles, use cases, and markets. Powered by the Nuro Driver™, our universal autonomy platform enables the global mobility ecosystem to deploy autonomy at scale, from robotaxis and logistics fleets to personal vehicles. With years of real-world deployment experience and a flexible, partner-led business model, Nuro is working toward a future where millions of autonomous vehicles powered by our technology help make everyday life safer, easier, and more connected. Nuro has raised over $2B in capital from Uber, NVIDIA, Google, Softbank, Fidelity, T. Rowe Price, and other leading investors. About the Role Our robotics team is growing and we are looking for a Software Engineer to join our Sensor Data and Calibration team. We are searching for an engineer with robotics and machine learning expertise to develop synthetic sensor simulation models and algorithms. The ideal candidate has hands-on experience in the research, development, and implementation of machine learning methods (e.g., NeRF or Gaussian splatting) for generating synthetic sensor data (photorealistic images, realistic lidar and/or radar, etc.). About the Work Research, develop, and implement state-of-the-art synthetic sensor simulation methods Analyze and characterize the realism and utility of synthetic sensor data Answer critical questions about sensor data and autonomy performance Collaborate with stakeholders across autonomy, infrastructure, and systems teams on map needs and requirements Role is scoped as a Senior/Staff IC with the flexibility to grow into

Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the world around us, that’s why we’re building a universal autonomy platform: self-driving for all roads and all rides. Founded in 2016, Nuro is a physical AI company developing Level 4 autonomous driving technology for a wide range of vehicles, use cases, and markets. Powered by the Nuro Driver™, our universal autonomy platform enables the global mobility ecosystem to deploy autonomy at scale, from robotaxis and logistics fleets to personal vehicles. With years of real-world deployment experience and a flexible, partner-led business model, Nuro is working toward a future where millions of autonomous vehicles powered by our technology help make everyday life safer, easier, and more connected. Nuro has raised over $2B in capital from Uber, NVIDIA, Google, Softbank, Fidelity, T. Rowe Price, and other leading investors. About the Team Our robotics team is growing and we are looking for an ML Software Engineer to join our Online Mapping team. We are searching for an engineer with robotics and machine learning expertise to work on challenging problems in the design and implementation of onboard mapping models and algorithms, data and label management, as well as training pipelines. About the Role Building robust ML and/or mapping systems that work with real data (cameras, LiDAR, etc.) in uncertain environments, and a strong desire to contribute to the future of robot navigation for logistics and transportation. About the Work Research, develop, and implement state-of-the-art online mapping models and algorithms. Analyze and characterize the performance of the online mapping system, identifying opportunities for architecture, data or evaluation improvements in a E2E ML system. Work cross functionally with other ML teams to integrate our models

Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the world around us, that’s why we’re building a universal autonomy platform: self-driving for all roads and all rides. Founded in 2016, Nuro is a physical AI company developing Level 4 autonomous driving technology for a wide range of vehicles, use cases, and markets. Powered by the Nuro Driver™, our universal autonomy platform enables the global mobility ecosystem to deploy autonomy at scale, from robotaxis and logistics fleets to personal vehicles. With years of real-world deployment experience and a flexible, partner-led business model, Nuro is working toward a future where millions of autonomous vehicles powered by our technology help make everyday life safer, easier, and more connected. Nuro has raised over $2B in capital from Uber, NVIDIA, Google, Softbank, Fidelity, T. Rowe Price, and other leading investors. About the Role Controller is the critical link between Nuro Driver's upstream autonomy stack and physical vehicle platform — translating planned trajectories into safe, precise, real-world motions. As a Senior/Staff Controls Engineer, you'll design and deploy production controls software that powers L4 autonomous driving across an expanding operational design domain, from parking lots to highways, in all weather and road conditions. You'll work alongside world-class engineers across autonomy, hardware, and systems to solve problems that don't have textbook answers and see your work running on real vehicles globally. About the Work Develop robust, reliable and optimized production-level control software following safety standards (ISO 26262). Develop seamless interactions between planner and controller and advanced control strategies for expanded ODD including parking lot maneuvers through highway driving under various weather condi

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. Job Description/ Responsibilities: Designing, developing and maintaining stable and reliable AI/ML Ops platforms / pipelines Model Deployment: Package and deploy AI/ML services to production, ensuring they are reproducible and interpretable CI/CD Pipeline Development: Design and implement automated CI/CD (Continuous Integration/Continuous Deployment) pipelines to accelerate model deployment using tools Infrastructure Management: Provision and optimize infrastructure for training and serving, utilizing Docker, Kubernetes, or serverless platforms Monitoring & Observability : Implement post-deployment monitoring for model performance, data drift, and latency using tools. Experience in Monte Carlo is preferable Automation: Automate retraining and data pipeline workflows to ensure models stay accurate over time. Manage the deployment of foundation models, fine-tuning workflows, and Retrieval-Augmented Generation (RAG) stacks (Vector DBs, Knowledge Graph. Experience with AWS Bedrock is preferable Resource Optimization: Manage GPU/CPU utilization to minimize cloud costs while maintaining low-latency inference for users Collaboration: Work closely with data scientists, data engineers, and software engineers to bridge the gap between model development and production. Version Control & Governance: Manage versioning for data, code, and models using tools like MLflow. Security & Compliance: Implementing data security measures, ensuring compliance with data governance policies, and protecting sensitive data Technology Eva

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create the space for people to focus on what truly matters: judgment, creativity, and big thinking. That is magic at work, and it’s what we show up for every day. We are looking for a skilled and motivated Principal Software Engineer who is passionate about continuous learning and eager to grow along with us in a fast-paced, innovative environment. You will work remotely from Bulgaria and will be reporting to an engineering leader located in Bulgaria. You Will: Lead the design and implementation of Smartsheet's next-generation architecture, ensuring scalability, security, and performance for millions of global users. Define and drive architecture strategy, making key technical decisions that shape the future of the platform. Review and guide technical project designs, providing feedback during design review presentations to ensure system resilience and scalability. Take ownership of cross-functional technical initiatives, aligning teams around common architectural goals while driving large-scale projects to completion. Foster strong technical leadership, mentoring senior engineers and influencing best practices across multiple engineering teams. Lead deployment reviews for high-impact projects, ensuring they meet scalability, performance, and security requirements. Collaborate closely with product management and other business stakeholders to balance market needs with technical constraints, driving innovation while maintaining technical rigor. Advocate for quality and operational excellence, ensuring systems are monitored, tested, and maintained to meet the highest reliability standards. Perform other duties as assigned. You Have: Proven experience in system architecture and the d

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. Who We Are: Every day, tens of millions of people from around the world come to Roblox to play, learn, work, and socialize in immersive digital experiences created by the community. Our vision is to build a platform that enables shared experiences among billions of users. This is what’s known as the metaverse: a persistent space where anyone can do just about anything they can imagine, from anywhere in the world and on any device. Join us and you’ll usher in a new category of human interaction while solving exceptional challenges that you won’t find anywhere else. What You’ll Do: Robux is Roblox’s Virtual Currency: it’s how Users buy virtual items and how Creators earn a living. The Economy Platform team is the owner for all systems powering Robux transactions and has the goal of maintaining Roblox’s Economy healthy and vibrant. As a Principal Software Engineer for Virtual Economy Platform, you will be responsible for improving and scaling Roblox core monetization systems. You will report to Virtual Economy’s Senior Engineering Manager. The scope of Economy’s team includes the several Purchasing, Pricing and Payout systems. Those systems enable developers to monetize their game