Senior Engineer Jobs in USA

Klaviyo is growing fast and we have openings for all skill levels across all of our teams. Learn more about our engineering culture at We love tackling tough engineering problems and look for Engineers who specialize in certain areas but are passionate about building owning & scaling features end to...

OverviewWorking at AtlassianAtlassians can choose where they work whether in an office from home or a combination of the two. That way Atlassians have more control over supporting their family personal goals and other priorities. We can hire people in any country where we have a legal entity.Atlass...

Senior AI Platform EngineerAt Klaviyo we believe the future of software lies not in productivity tools for human users but in software that can run and optimize itself based on outcome or reward metrics. Weve built the infrastructure and application that serve as the interface between businesses and...

At Klaviyo Platform Engineering is what you get when you treat operating complex systems as a software engineering problem. Our Observability Platform group applies that philosophy to how we collect store and surface signals about the health of our products and infrastructure. We build and run the s...

Job Description:Senior Software Quality EngineerFidelity Investments Workplace Solutions (WS) organization is looking for a Senior Software Quality Engineer specializing in quality engineering to join our reporting team within Stock Plan Services (SPS) Technology tasked with taking our market leadin...

As a Senior Enterprise Sales Engineer you will serve as a trusted technical advisor delivering impactful sales presentations product demonstrations and proof-of-value engagements. You will partner closely with customers and strategic partners to qualify and close opportunities while also acting as a...

At Klaviyo we value the unique backgrounds experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements....

OverviewWorking at AtlassianAtlassians can choose where they work whether in an office from home or a combination of the two. That way Atlassians have more control over supporting their family personal goals and other priorities. We can hire people in any country where we have a legal entity.Atlass...

Gaming:Welcome to the world of land-based gaming. At Light & Wonder its all about the games and our Gaming team builds cutting-edge technology products and content for the most iconic casinos and operators across the globe.Position SummaryWe are seeking a highly skilled and innovative Senior Softwar...

OverviewWorking at AtlassianAtlassians can choose where they work whether in an office from home or a combination of the two. That way Atlassians have more control over supporting their family personal goals and other priorities. We can hire people in any country where we have a legal entity.DXs So...

At Klaviyo we value the unique backgrounds experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements....

Senior Electrical Engineer (RF/Anechoic Chamber & HIL Systems) OverviewSimTech Inc. recognized as one of the 2026 Best Places for Working Parents is seeking a to join our dynamic and diverse team. This is an immediate opening with opportunities for growth and professional development. SimTech offers...

Why You Should Join the AI Enablement Team:Join our dynamic AI Enablement team and play a pivotal role in accelerating our engineering organizations velocity and innovation. As a Senior Software Engineer youll be at the forefront of how we apply Artificial Intelligence to software engineering - buil...

Senior Application Support Engineer (Site Reliability Engineer)Location:Indianapolis IN - onsite 5 days a weekOverviewAre you a technical detective with a passion for scalable performant and resilient enterprise applications Do you thrive in incident management and root cause analysis Are you excite...

Senior Electrical Engineer- Data Center Modular / Prefab - Denver COThisclient is a leading OEM in the mission-critical data center industry. They provide modular and mechanical data center solutions through custom-fit projects to meet the requirements of their clients mission-critical facilities. T...

Job DescriptionAre you energized by developing strategy creating clarity across complex organizations and driving impactful execution Do you thrive on innovation and emerging technologies If so we invite you to join our growing team focused on material cost optimization a mission that directly influ...

Why You Should Join the Channel Processing TeamThe Channel Processing team has direct technical responsibility for Klaviyos most-used engagement product. It is responsible for designing building and operating highly-scalable highly-available distributed systems to process ever-increasing campaign tr...

About VizcomVizcom is a visual creation platform that combines modern web tooling with AI-powered workflows. Our stack includes React/TypeScript frontend Node/Koa PostGraphile API services PostgreSQL Redis BullMQ queues and Kubernetes-based production infrastructure.Were hiring a senior owner of st...

Why You Should Join the Email Platforms Team:The Email Platforms team at Klaviyo is building the next generation of infrastructure to support reliable scalable and performant email delivery. Our mission is to help Klaviyo reach enterprise scale by evolving and owning our email sending pipeline end-t...

About the team and roleData is at the heart of every decision made at Klaviyo and were looking for a Business Intelligence Data Engineer to join our Business Intelligence (BI) team supporting People Analytics. This domain of data aims to improve the experience of all Klaviyos from culture and engage...