Jobs in United States

Senior System Architect in United States

2,125 active opportunities · Updated October 2026

Explore current senior system architect jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

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📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $243.3K/yr

Quick readStrong listing-quality and freshness signals

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 Software Engineer on our Release Engineering team, you will build the systems that hundreds of engineers across Roblox use every day to safely ship code to tens of millions of concurrent players. Your work will empower teams to ship bold, high-impact changes quickly and confidently on every device Roblox runs on. If you enjoy building developer-facing infrastructure where reliability and blast radius directly impact end-users, you will be right at home on our growing team. You Will: Design and develop backend services and automation that power our release and experimentation process across desktop, mobile, console, VR, and servers Work in C++ engine code to improve telemetry reporting, enhance feature rollout and automatic abort capabilities, and extend release functionality Build progressive client and server rollout, regression detection, and automated rollback systems that keep our weekly multi-platform releases safe at scale Work directly with engineering customers to turn pain points into durable, flexible, and safe-by-default tooling You Have: 5+ years building backend services with C#, Python, TypeScript, or similar Familiar with and comfortable working with C++ Familiar

TypeScriptPythonAWSGit
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📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $255.7K/yr

Quick readStrong listing-quality and freshness signals

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 Product Designer on the Ads & Brands team, you will shape the future of monetization at Roblox by designing for our core Ads Platform and Tooling. You will build complex, scalable systems that power both sides of our market: helping advertisers launch high-impact campaigns while empowering creators to maximize their earnings. This role sits at the intersection of deep systems thinking, business impact, and high-craft UX/UI. You will partner with cross-functional teams across Product, Engineering, Research, and Data Science to deliver experiences that balance player delight, creator opportunity, and brand value. You will play a pivotal role in driving revenue growth, enhancing developer earnings, and transforming multi-faceted ecosystems into intuitive, powerful tools. This role reports to the Senior Manager of Product Design, Ads & Brands. You will: Define UX strategy and design direction for Roblox’s Ads Platform and tooling Design and evolve complex, end-to-end experiences that help advertisers launch impactful campaigns and creators maximize their earning potential. Partner closely with Product, Engineering, Research, and Data Science to translate business

AWSGitAIGo
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📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $196.8K/yr

Quick readStrong listing-quality and freshness signals

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 software engineer on the Cell Platform team at Roblox, you will build systems that Roblox engineers use to create and deploy resources onto Kubernetes. Our engineers deploy their services in a complex, hybrid, multiple-cluster, K8s environment. The Cell Platform manages this complexity for our users, with tools, APIs, K8s controllers, and UX, simplifying infrastructure for our internal customers. You Have: A desire to work on critical, large-scale distributed systems An appreciation of observability and instrumentation and tooling to make your life easier 3+ years of experience as software engineer Bachelor's degree in Computer Science or an equivalent field You will: Build our Roblox-wide control plane using Kubernetes primitives (and plenty of custom resources) Work on the interface of the few hundred person infrastructure organization to the thousands of Roblox engineers Write and review high quality code and tests (largely Golang) Work on a team that cares about inclusivity and shipping For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related

AWSKubernetesGitAI
R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $155K/yr

Quick readStrong listing-quality and freshness signals

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 Threat Investigator on the Safety Investigations team, you will help lead Roblox’s deep-dive investigative capability for the most severe, complex, and externally significant safety matters. You will conduct actor-centric and network-centric investigations, proactively identify sophisticated threat actors and abuse patterns, and develop high-quality investigative work product that supports internal decision-making and, where appropriate, external law-enforcement engagement. The ideal candidate will have an exceptional investigations background, strong analytical tradecraft, and a demonstrated ability to connect fragmented internal and external signals into clear, defensible investigative findings. They will be an innovative self-starter, a collaborative partner across functions, and someone motivated by Roblox’s mission of connecting a billion people with optimism and civility. Through your work, you will become an expert in Roblox’s internal and external safety practices, advance our investigative capabilities and playbooks, and work across a variety of systems and data sources to surface, analyze, and ultimately disrupt high-risk actors, networks, and behaviors. Please note: T

PythonSQLAWSGit
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📍 New York, New York, United States· Full-time
✓ High-confidence listingCompany trend -87.8%

From $116K/yr

Quick readStrong listing-quality and freshness signals

Our GTM Enablement team plays a critical role in helping Datadog’s Sales and Customer Success teams succeed by equipping them with the right skills, knowledge, and tools at the right time. We partner closely with teams across Sales, Customer Success, Product Marketing, Strategy & Operations and more to ensure enablement programs translate into real performance in the field. The Program Management team within Sales Enablement is a group of interdisciplinary thinkers leveraging diverse business backgrounds in engineering, education, management consulting, business operations (and more!) to define, manage and measure Datadog’s global go to market motion. We solve complex, systemic challenges that impact go-to-market effectiveness by diagnosing root causes, whether behavioral, skills-based, or structural, and shaping the strategic solutions that resolve them. We partner closely with our Sales Enablement stakeholders across Curriculum, Field Enablement, Operations, and more to deliver on measurable results and operate as one unified enablement team. As a Senior Program Manager on the Sales Enablement Program Management team, you will design, plan, and execute complex, global, cross-functional programs that change how our Go-to-Market (GTM) teams operate at a systems level. You will own the end-to-end enablement process for the programs and stakeholder relationships you’re responsible for: diagnosing the gap, gathering field evidence, building a multi-faceted strategy (not just a content solution), partnering across teams to deliver the experience, and reporting business impact to Sales and Customer Success leadership. This is a high-ownership role for someone who moves quickly, thinks strategically and creatively, and is equally comfortable analyzing hard data and reading what’s happening on the ground. You’ll drive adoption at scale with limited guidance, influence senior stakeholders without positional authority, and help shape how the Program Management function o

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📍 New York, New York, United States· Full-time
✓ High-confidence listingCompany trend -87.8%

From $90K/yr

Quick readStrong listing-quality and freshness signals

We are seeking a Senior Revenue Accountant to join Datadog's growing Finance team. In this role, you will support the company's revenue accounting operations by partnering across Finance, Customer Success, Sales Operations, and other cross-functional teams to ensure accurate revenue recognition, billing, and financial reporting. You'll play a key role in improving order-to-cash processes, supporting month-end close activities, and helping scale finance operations in a fast-growing SaaS environment. This position offers the opportunity to develop expertise in technical accounting, process improvement, and cross-functional collaboration while contributing to Datadog's continued growth. 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: Execute month-end close activities, including preparing journal entries, balance sheet reconciliations, and supporting schedules. Analyze complex customer billing arrangements and prepare revenue recognition analyses in accordance with ASC 606. Manage invoicing activities, calculate key revenue metrics, and partner with customers and internal teams to resolve billing questions. Collaborate with Customer Success, Deal Desk, Sales Systems, and Order Operations to improve the order-to-cash process and operational efficiency. Support internal and external audit activities, including revenue walkthroughs and preparation of audit documentation. Contribute to process improvement initiatives and other cross-functional finance projects that support business growth. Who You Are: Bachelor's degree in Accounting and 3+ years of progressive accounting experience, preferably at a public company or Big Four accounting firm. Strong understanding of revenue accounting principles, including experience applying ASC 606 guidance. Excellent written

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📍 New York, New York, United States· Full-time
✓ High-confidence listingCompany trend -87.8%

From $192K/yr

Quick readStrong listing-quality and freshness signals

Databases and data stores are at the center of our applications, for legacy applications and modern AI applications alike. Yet most observability and optimization approaches lack a holistic approach or application context. Datadog has been on a mission to revolutionize how databases are operated, flipping what is often seen as a black box of complexity prone to security and performance risks, into a well oiled machine enabling our builders and businesses to move faster and smarter. We’re looking for an experienced product manager passionate about joining this mission to lead this product opportunity. 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: Lead ambitious investments that rethink how customers operate and get value from their databases, diving into ambiguity, working with our customers on new models, and shipping new products and changes to existing products. Develop a deep understanding of our customers and their issues, what problems are really behind those issues, and how we can improve how databases are operationalized across SRE teams, DBAs and application developers. Continuously refine your understanding of database management systems and datastores from SQL and OLTP based to NoSQL e.g. AWS RDS, PostgreSQL, SQL Server, MongoDB, MySQL, etc Define, build and launch the next generation of database monitoring and optimization capabilities for our customers Join a talented engineering team with a record of disrupting observability approaches to further the mission of demystifying and optimizing databases using your team’s creativity, alongside your customers’ problems, as a key resource. Collaborate with other Product teams in Datadog to maintain and improve all Datadog products, improve the seamless integration across th

SQLPostgreSQLMySQLMongoDB
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📍 New York, New York, United States· Full-time
✓ High-confidence listingCompany trend -87.8%
Quick readStrong listing-quality and freshness signals

Datadog's integrations are the connective tissue between our platform and the technologies our customers run in the real world. As a Sr. PM on the Agent Integrations team, you will own the vision, prioritization, and execution for 100+ integrations that run directly inside the Datadog Agent from foundational infrastructure (MySQL, Kafka, Kubernetes) to the rapidly growing landscape of self-hosted AI and on-premise enterprise technologies. This is a high-impact, breadth-first role at the intersection of infrastructure observability and the frontier of AI-native workloads. At Datadog, we place value in our office culture; the relationships it builds, the creativity it brings, and the collaboration of being together. 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 the Agent Integrations roadmap. Determine which new integrations to build and which existing ones to improve, balancing customer demand, business impact, and engineering capacity across a catalog of 100+ technologies. Drive the expanding AI integration surface. Lead product strategy for self-hosted AI workloads, including LLM inference frameworks (e.g., Hugging Face TGI, BentoML), AI agents, MCP servers, and model orchestration tools, so Datadog customers can monitor every layer of their AI stack. Expand on-prem and hybrid coverage. Prioritize and execute new integrations for on-prem technologies including storage systems, HPC schedulers, network devices, and legacy enterprise platforms where customers run critical workloads. Build observability for ERP systems. Define and drive Datadog's strategy for monitoring enterprise ERP platforms (SAP, Oracle EBS/Fusion, Microsoft Dynamics) covering performance, job execution health, and integration layer telemetry so enterprise customers can observe their ERP stack alongside the rest of their infrastructure. Analyze adoption and customer feedback at scale. Use data from multiple sources to

SQLPostgreSQLMySQLMongoDB
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📍 United States· Full-time
✓ High-confidence listingCompany trend -97.2%

From $114K/yr

Quick readStrong listing-quality and freshness signals

The Assurance, Risk and Compliance (ARC) Initiatives team at MongoDB owns the governance and delivery of key cross-functional security risk and compliance initiatives. The team designs and executes programs that support compliance audits, risk assessments, common control frameworks, operating cadences, and executive reporting that strengthen the organization’s assurance, risk management and compliance objectives. The policy and controls governance pillar is responsible for the structure, standards and operating mechanisms that keep MongoDB’s security policies, standards, procedures, and controls governance processes current, aligned, auditable and scalable across the organization. This includes ownership of the policy lifecycle, common controls framework governance, issue management, and the review cadences and cross-functional coordination needed to maintain strong governance maturity and audit readiness. This role sits under the Assurance, Risk and Compliance function within the Global Security Office and reports to the Director of ARC Initiatives. This role will be based remotely in the United States Responsibilities: Scope of Ownership Policy governance program ownership, including policy lifecycle management, documentation standards, review and approval cadences, change tracking, and exception governance Controls governance ownership, including common controls framework lifecycle management, control harmonization, framework mapping, and processes that support audit readiness and scalable control oversight Governance over supporting systems and workflows, including Jira, GRC tooling, documentation repositories, and reporting structures, that enable consistent execution and visibility Issue management and remediation governance, including intake, triage, tracking, and reporting for timely closure of findings Executive-ready reporting and metrics for policy health, controls maturity, policy exceptions and broader program effectiveness Program Leadership Own

MongoDBAWSAzureAI
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📍 United States· Full-time
✓ High-confidence listingCompany trend -97.2%

From $151K/yr

Quick readStrong listing-quality and freshness signals

We’re looking for a Senior Engineering Manager who is ready to lead through ambiguity and improve how software gets built at MongoDB. This role leads teams focused on developer productivity, with an emphasis on measurable improvements to the software development lifecycle. This role can be based remotely in the United States. The Team The AXIS team (AI, X-functional tools, Insights, and Signals) sits within Developer Productivity and is responsible for overseeing the metrics and observability infrastructure of our expansive developer environment to help build a strong data-driven culture. You’ll also be a key partner in building the agentic ecosystem for AI-driven development across engineering. Candidate Profile We’re looking for an experienced leader with a passion for solving the big challenge of measuring developer productivity and providing the actionable signals that help teams improve their performance. They should be comfortable working collaboratively with other leaders and partners across our Engineering and Data teams in maximizing the use of data for insights and AI enablement. The right candidate for this role will have 4+ years of experience managing software engineers, including hiring, performance management, growth planning, and compensation; required for external candidates and preferred for internal candidates 8+ years of hands-on software engineering experience building and operating production systems; experience in developer tooling, platform engineering, observability, or data engineering is a strong plus Demonstrated the ability to lead through ambiguity, work across team boundaries, and deliver outcomes without close supervision Strong customer orientation and sound judgment in finding practical, high-leverage solutions Experience working with systems involving analytics, data pipelines, and metrics platforms Experience with AI tools development and enablement efforts Strong technical judgment, including the ability to evaluate t

MongoDBAWSAzureAI
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📍 United States· Full-time· Remote
✓ High-confidence listingCompany trend -95.1%
Quick readStrong listing-quality and freshness signals

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers. Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table. Instacart is a Flex First team There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work. Overview Our backend systems power the clients used by millions of customers every year to buy their groceries online. These systems must also support tight integration with the largest retailers in the US and Canada. Engineering at Instacart provides the opportunity to work on challenging scaling problems while also designing the features that will define our industry. You will learn how to build in an open collaborative environment serving millions of requests daily. Finance data engineering is part of the Data Infrastructure team, working closely with accounting, billing & revenue teams to support the monthly/quarterly book close, retailer invoicing and internal/external financial reporting. The team plays a critical role in defining how financial data is modeled and standardized for uniform, reliable, timely and accurate reporting. This is a high impact, hi

PythonSQLAIGo
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📍 United States· Full-time
✓ Quality checkedCompany trend -98.9%

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Airbnb is seeking a detail-driven Senior Accountant to join our Accounting Operatoins team and support continued global growth. This role sits at the intersection of accounting, data, and systems, ensuring accurate financial reporting while driving scalable, efficient processes. The Senior Accountant will own end-to-end accounting activities, including reconciliations, reporting, and systems support, while strengthening the control environment and delivering process improvements. You will collaborate cross-functionally with Finance Technology, Product, Engineering, Business Development and external partners. The ideal candidate for this position will have a strong understanding of GAAP operating expense recognition principles such as capitalization, lease recognition, as well as, excellent technical and communication skills, and the ability to partner effectively across business functions. This position reports to the Manager, Accounting Operations. A Typical Day: &l

A
📍 United States· Full-time
✓ High-confidence listingCompany trend -98.9%

From $248K/yr

Quick readStrong listing-quality and freshness signals

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: The Media Foundation team builds the core platforms and infrastructure that power photo and video capture, upload, processing, storage, and delivery across Airbnb's products, at a massive global scale. We partner closely with Product, Design, Data Science, Trust, and Infrastructure teams to ensure every image and video guests and Hosts see is fast, high-quality, and reliable, from the moment a Host uploads a photo to the moment a Guest views it in search results. The Difference You Will Make: As the Senior Engineering Manager for Media Foundation, you will lead a team of engineers to build and operate Airbnb's media infrastructure, the foundation powering every photo, video, and document that users interact with on the platform. Capabilities include uploads, AI/ML transformations, distribution, and presentation within the product. You will shape the team’s vision and help steer the organization towards our larger goals. This includes day-to-day operations, technical deep dives, community engagement with internal engineering teams, and strategic planning. As the technical and organizational leader for Media Foundation, you own the reliability, scalability, and evolution of the systems that power every media interaction on the Airbnb platform from the moment a host uploads a photo to the instant a guest streams a listing video. Your experience in both media technology and people management will be essential to the maintenance, modernization, and innovation of Airbnb's media platform. You set the bar for engineering excellence, define what great looks like for your team, and crea

A
📍 United States· Full-time· Remote
✓ Quality checkedCompany trend -98.9%

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: BizTech fosters culture and connection at Airbnb by providing reliable corporate tools, innovative products, and technical support for all teams. We drive technical breakthroughs and strategies that redefine what it means to belong anywhere, delivering greater value for the business and our people. The Global Operations team at BizTech manages production services across Airbnb’s corporate environment, delivering reliable operations through Observability, Incident Management, Core Operations, and AI-enabled automation. We partner across BizTech to scale service quality, efficiency, and resilience. The Difference You Will Make: As a Senior Staff Engineer in Operations, you will lead and mentor a high-performing team to scale our AI-enabled operations model and deliver AIOps solutions that streamline operational workstreams and help BizTech teams focus on their core work with confidence. Ops owns triage and resolution, proactive monitoring across networks, systems, applications, and cloud services via a homegrown observability platform, and drives process excellence through automation and shift-left programs. You will set the technical bar, model operational excellence, and ensure high-quality, reliable service. Your scope includes leading projects ac

PythonAWSCI/CDAI
A
📍 United States· Full-time
✓ High-confidence listingCompany trend -98.9%

From $244K/yr

Quick readStrong listing-quality and freshness signals

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: AI and ML are at the heart of the Airbnb product. From Trust to Payments, and from Customer Service to Marketing, we rely on ML to ensure that guests and hosts have the best possible experience with Airbnb. The Core ML team is responsible for driving CSxAI (Customer Support x Artificial Intelligence) initiatives by adopting Generative AI technologies to enable an intelligent, scalable, and exceptional service experience. The team develops and enhances AI models, ML services, and tools including LLM fine-tuning and optimization, RAG/Search, LLM evaluation and testing automation, feedback-based learning, and guardrails for a wide range of applications at Airbnb. The richness of Airbnb's data, the complexity of its marketplace, and the variety innate in our product mean that we need to operate at the state of the art of AI practice. We are committed to long-term innovation to solve complex problems, and to do that we need experienced ML ​​The Difference You Will Make: In this Senior Staff role, you will set technical direction and lead execution for ML evaluation and the end-to-end data flywheel powering CSxAI products (e.g., assistive agents, issue resolution, and tooling). Your work will define how we measure quality, how we turn feedback into learning signals, and how we continuously improve models and products safely and efficiently. You will partner closely with product, engineering, design, operations to build evaluation systems that are trusted, scalable, and actionable - connecting offline metrics to online outcomes. A Typical Day: Define evaluation strategy and suc

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