Senior Software Engineer: Assistant RobloxSenior Software Engineer: AssistantSan Mateo, CA$196,750–$243,290 / yearEvery 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. Understanding of tools, skills, and evaluation frameworks for AI systems, including how to design reliable tool interfaces, improve capability coverage, and measure quality through structured evals.
Senior Software Engineer, Client Systems (C++) RobloxSenior Software Engineer, Client Systems (C++)San Mateo, CA$195,780–$242,100 / yearEvery 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. 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.
Senior Software Engineer - Marketplace (Avatar Identity) RobloxSenior Software Engineer - Marketplace (Avatar Identity)San Mateo, CA$196,750–$240,250 / yearEvery 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. 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.
Software Engineer - Model Products BaseTenSoftware Engineer - Model ProductsSan Francisco, CARESPONSIBILITIES: Design, build, and operate the Model APIs surface with focus on advanced inference capabilities: structured outputs (JSON mode, grammar-constrained generation), tool/function calling and multi-modal serving. Profile and optimize TensorRT-LLM kernels, analyze CUDA kernel performance, implement custom CUDA operators, tune memory allocation patterns for maximum throughput and optimize communication patterns across multi-GPU setups.
Developer Advocate Engineer DexmateDeveloper Advocate EngineerFremont, CaliforniaYou'll be the person who helps AI/ML developers understand what happens when their models leave the data center and run on a humanoid robot: latency constraints, sensor noise, sim-to-real transfer, on-device inference, closed-loop control, etc. Our mission is to democratize robotics by lowering the barrier to entry, delivering a plug-and-play platform for developers, researchers, and enterprises, and cultivating an open ecosystem that accelerates the evolution of physical AI.
Software Engineer, Productivity - Inference Runtime OpenAISoftware Engineer, Productivity - Inference RuntimeSan Francisco, CaliforniaFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. The systems you build directly impact OpenAI’s ability to support new model launches, safely ship inference optimizations to the world, onboard new infrastructure providers, and operate one of the largest and most performance-sensitive inference platforms in the world.
Developer Advocate DiagridDeveloper AdvocateSan Francisco, CaliforniaAs online digital services need to handle more load and run on multiple clouds or on-premises environments, programming to higher level abstractions delivers consistent, secure and reliable code that is easily portable and helps organizations de-risk their projects. Create Compelling Content : Write high-quality blog posts for the Dapr blog and Diagrid Catalyst, produce tutorials, architectural guides, and sample applications showcasing Dapr + AI agents, workflows, state management, service invocation, and more.
Software Engineer, API Multicloud OpenAISoftware Engineer, API MulticloudSan Francisco, CAFor unincorporated Los Angeles County workers: we reasonably believe that criminal history may have a direct, adverse and negative relationship with the following job duties, potentially resulting in the withdrawal of a conditional offer of employment: protect computer hardware entrusted to you from theft, loss or damage; return all computer hardware in your possession (including the data contained therein) upon termination of employment or end of assignment; and maintain the confidentiality of proprietary, confidential, and non-public information. The team's mission is to distribute OpenAI's API broadly and safely by enabling key API technologies in cloud-native environments, in close partnership with Amazon and internal teams across Codex, Research, Safety Systems, and Applied.
Member Of Technical Staff (Software Engineer, API Platform) Perplexity AIMember Of Technical Staff (Software Engineer, API Platform)San Francisco, CAStrong customer empathy and product sense, ensuring the APIs you build are ergonomic, well-documented, and easy to adopt for developers and agents alike. From exabyte-scale knowledge indexes to codegen-first agent runtimes, the building blocks behind Perplexity's applications are some of the most battle-tested AI systems in the industry.
Senior Software Engineer, Database (SmithDB) LangChainSenior Software Engineer, Database (SmithDB)San Francisco, CaliforniaToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith) LangChainSenior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)San Francisco, CaliforniaToday, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together.
NewAutomation Software Engineer - PC & Industrial Controls Integration Pivotal SystemsAutomation Software Engineer - PC & Industrial Controls IntegrationFremont, CAThe ideal candidate combines strong software development skills with practical knowledge of Beckhoff/TwinCAT control systems, industrial networking, PLC/IPC architectures, real-time control, instrumentation, and equipment communications . The engineer will be responsible for developing the software and communications architecture connecting Windows or industrial PCs to automation controllers, sensors, actuators, instrumentation, safety systems, and process equipment.
NewLead Full Stack Java Software Engineer - React & Microservices Macpower Digital Assets Edge Private LimitedLead Full Stack Java Software Engineer - React & MicroservicesSausalito, CA$180,000–$215,000 / yearAbout the Role: We're seeking a highly skilled Lead/Senior Full Stack Developer with deep experience in building microservices-based platforms to join our fintech engineering team. This role involves building user-facing interfaces with React/TypeScript and creating scalable microservices that power the backend.
Principal Software Engineer, Physics RobloxPrincipal Software Engineer, PhysicsSan Mateo, CA$295,250–$345,040 / yearEvery 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. 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.
Senior Software Engineer, Site Reliability Engineering ThumbtackSenior Software Engineer, Site Reliability EngineeringSan Francisco, California$210,800–$272,800 / yearYou’ll work with engineering teams ranging from product development, developer experience, and backend infrastructure to collaboratively build Thumbtack’s ecosystem of platform services that have the right impact at the right time. For candidates living in San Francisco / Bay Area, San Jose, New York City, or Seattle metros, the expected salary range for the role is currently $210,800.00 - $272,800.00.
Software Engineer — Backend Platform Better AuthSoftware Engineer — Backend PlatformSan Francisco, CaliforniaDeployments and distribution — improving the way we run the hosted platform today while designing the packaging and operational model for self-hosted deployments, with a strong focus on containers, upgrade paths, and production operability. Container and deployment experience — you’ve containerized production services and built or operated deployment workflows around them; you’re comfortable with image design, configuration, health checks, rollout safety, and production debugging.
Software Engineer (C++/Java) DatabentoSoftware Engineer (C++/Java)San Francisco, CABy owning the entire market data stack end-to-end, Databento is the first platform of its kind to combine the performance and reliability demanded by the world's leading trading firms with a dramatically simpler developer experience. The financial industry is growing at a record pace, but our data providers are still stuck in the past — with cumbersome onboarding processes, complicated APIs, slow infrastructure, and expensive licensing costs.
Software Engineer, Agent Architecture Sierra AISoftware Engineer, Agent ArchitectureSan Francisco, CAYou'll build systems that ensure agents provide accurate, trustworthy responses by effectively retrieving and using knowledge. You'll work on the Agent SDK - the orchestration engine, runtime, and primitives that define how agents reason, take actions, and interact with users and systems.
Senior Software Engineer TechDigitalSenior Software EngineerSan Francisco, CAPreferred understanding of SaaS (Software as a Service) product architectures, AWS/Azure/Google Cloud Stack, and networking. Ability to hit the ground running, quickly absorb new subject areas and start delivering value.
Software Engineer (C++/C#) DatabentoSoftware Engineer (C++/C#)San Francisco, CABy owning the entire market data stack end-to-end, Databento is the first platform of its kind to combine the performance and reliability demanded by the world's leading trading firms with a dramatically simpler developer experience. The financial industry is growing at a record pace, but our data providers are still stuck in the past — with cumbersome onboarding processes, complicated APIs, slow infrastructure, and expensive licensing costs.