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Experience Level
Senior
Qualifications
Required Qualifications5+ years of industry experience in building and maintaining high-quality software. Proficiency in developing and deploying robust, secure web applications within a continuous deployment environment. A strong desire to collaborate with team members and enjoy a fun workplace while taking ownership of your contributions. A solid commitment to craftsmanship and a healthy curiosity for solving challenges at Sigma. Strong foundation in Computer Science principles. Preferred Qualifications (and skills you'll acquire!)Experience in building software capabilities for analyzing large-scale data applications. Data-driven mindset with the ability to apply insights to solve distributed system challenges. Experience in data model design and API development to enable customer-facing features. A track record of working in high-growth environments and solving technical problems to facilitate continued success.
About the job
Sigma Computing builds a high-performance platform that helps businesses work with modern data architectures. The engineering team is growing and looking for experienced fullstack engineers who enjoy solving complex problems and building solutions across the stack. The team’s mission: make data accessible for everyone.
What You Will Do
Work on challenging technical problems to deliver fast, interactive analytics and workflow experiences using modern data warehouses.
Build software with tools and languages such as Rust, Go, GraphQL, and TypeScript.
Design algorithms and techniques that improve performance and interactivity for analytics used by some of the world’s largest companies.
Investigate and resolve product or system issues by identifying root causes.
Develop and launch new features to support a growing base of users.
Collaborate with teams across infrastructure, design, product, customer support, sales, and marketing to create new product capabilities.
Location
This position is based in San Francisco, CA.
About Sigma Computing
Sigma Computing is at the forefront of transforming how organizations operate by leveraging modern data architecture in our high-performance platform. We are committed to fostering innovation and making data accessible to everyone, driving impactful change for our clients.
About PlaylabPlaylab is a pioneering tech non-profit committed to empowering educators and students to become discerning consumers and innovative creators of AI technologies.We champion an open-source, community-oriented approach as the cornerstone for unlocking AI's transformative potential in education. With our suite of AI tools and comprehensive professi…
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Full-time|$180K/yr - $250K/yr|On-site|New York City
About SomethingsAt Somethings, we are pioneering a revolutionary social wellness platform specifically designed for teens. Our mission is to create a supportive environment where young individuals can build meaningful relationships with mentors who truly understand them, are dedicated to their growth, and provide the guidance necessary for them to flourish.In the U.S., 25 million teens face mental health challenges, and each of the countless teens who engage with Somethings requires assistance. Our goal is to ensure that these individuals do not merely use the platform, but instead connect with compassionate humans who are devoted to their well-being and help them thrive.With backing from General Catalyst and esteemed healthcare and consumer investors, we are experiencing rapid growth — achieving a remarkable 1100% increase in 2025 and aiming for a fivefold growth in 2026.If you aspire to contribute to a transformative company within the mental health sector, we welcome you to join us.Role OverviewWe are seeking a Senior Fullstack Software Engineer specializing in React to join our dynamic, high-impact engineering team. You will play a pivotal role in constructing the foundational web experiences that empower our mentors and operational teams.This position offers high levels of agency, craftsmanship, and impact:You will directly influence the platform experiences that assist teens in connecting and genuinely improving their lives.What You'll DoIn this role, you will take complete ownership of essential projects that align with our strategic objectives for 2026:1. Transform our Mentor Operations Platform into a world-class experienceDeliver web experiences that are fast, reliable, and deeply human-centric.Evolve the mentor web experience from basic functionality to a cohesive, elegant, and leading-edge platform.Create user interfaces that are as intuitive and refined as the best consumer applications.Prioritize performance, accessibility, and interaction quality.2. Develop tools that safely scale our mentor operationsDesign features for mentors that enhance consistency, speed, and connection.Implement safety measures that proactively identify risks and minimize human error.Refine mentor workflows to empower users rather than overwhelm them.3. Take charge of full-stack product developmentBuild comprehensive features across React, backend services, and APIs.Engage in close collaboration with design, product, growth, and clinical operations teams.
Full-time|$200K/yr - $250K/yr|Hybrid|Seattle, Washington, United States
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About UsAt Maybern, we are revolutionizing the fund management landscape for private fund managers through innovative technology solutions. Founded by industry-leading engineering experts, our focus is on delivering exceptional software tailored to the needs of the fund management sector.With private funds managing over $15 trillion in capital and experiencing a remarkable 20% year-over-year growth, there is an increasing demand for top-tier software that addresses regulatory challenges and enhances transparency for CFOs.Maybern is dedicated to equipping investment managers with user-friendly and adaptable fund management software, allowing them to concentrate on their primary goal: maximizing investor returns. We are proud to be supported by prominent venture capital firms and a diverse array of strategic investors.Based in New York City, Maybern fosters a collaborative in-office culture and is eager to welcome talented individuals to our team.
Join the Giga TeamAt Giga, we are revolutionizing customer experience by developing cutting-edge real-time AI agents capable of understanding emotions and resolving issues instantaneously. With a recent $61 million Series A funding round and a roster of esteemed clients including DoorDash, we are poised for exponential growth and innovation in the AI landscape.As we aim to establish ourselves as the leading AI platform for enterprise automation, we are on the lookout for talented engineers to join our mission. Our engineers thrive in an environment where their work impacts millions of users globally, and they enjoy the autonomy to drive significant change.Be part of an exciting journey with visionary founders and a clear roadmap to becoming a generational company. Here are a few highlights about us:Giga's $61M Series A FundingPartnership with DoorDashGiga creates AI solutions trusted by leading B2C companies worldwide. If this aligns with your career aspirations, we encourage you to apply!
Join our dynamic team at Databricks as a Senior Fullstack Engineer for our innovative Agentic Applications. In this pivotal role, you will leverage your expertise in both front-end and back-end development to build scalable applications that empower our clients. You will collaborate with cross-functional teams to deliver high-quality software solutions that solve complex problems and enhance user experiences.
Full-time|$146K/yr - $227.5K/yr|On-site|San Francisco
About Scribd:At Scribd Inc. (pronounced “scribbed”), we are driven by a mission to ignite human curiosity and foster knowledge sharing. Join our innovative team as we craft a world enriched with stories and insights, democratizing the exchange of ideas through our diverse products: Everand, Scribd, Slideshare, and Fable.This job opening represents a confirmed, active position within our organization.We cultivate a culture where authenticity and boldness thrive; where we engage in meaningful debates and embrace unexpected challenges. Every team member is empowered to take initiative as we prioritize our customers' needs.Our workplace philosophy emphasizes a balance between individual flexibility and community engagement. With our Scribd Flex benefit, employees can collaborate with their managers to choose a work style that suits their personal needs. Key to Scribd Flex is our commitment to intentional in-person interactions, which are vital for fostering collaboration, culture, and connections. Thus, occasional in-person attendance is expected from all Scribd employees, regardless of their remote work location.What do we seek in our new team members? We value “GRIT”—the combination of passion and perseverance toward achieving long-term goals. At Scribd, we recognize the potential this mindset unlocks and encourage our employees to embody a GRIT-ty approach in their work. This means setting and achieving Goals, delivering Results in their responsibilities, contributing Innovative solutions, and positively influencing our broader Team through collaboration and a constructive attitude.Join Our Growth Platform TeamThe Growth Platform team at Scribd empowers marketers, lifecycle teams, and partner channels by providing MarTech solutions that enhance efficiency, enable data-driven decisions, and support scalable user acquisition across our brands: Scribd, Everand, SlideShare, and Fable.Our focus is on building and maintaining robust systems that facilitate campaign execution, optimize landing pages, manage tracking and attribution, and integrate with third-party tools for cross-channel marketing and analytics. We prioritize scalability, performance, and reliability, ensuring our partners have the necessary tools to drive user growth. Our team values collaboration, pragmatic solutions, and a commitment to continuous improvement.
Join usm2 as a Senior JavaScript (React) Developer where you will play a pivotal role in designing and implementing innovative web applications. Collaborate with cross-functional teams to create seamless user experiences and drive the evolution of our product offerings.As a seasoned developer, you will leverage your expertise in React and JavaScript to enhance our existing codebase, optimize performance, and ensure that our applications are responsive and maintainable. Your contributions will directly impact our success and user satisfaction.
Join our dynamic team at Nagarro as a Senior Staff Engineer specializing in .NET Fullstack development. In this fully remote role, you will leverage your expertise to design, develop, and maintain complex software solutions that drive our clients' success. You will collaborate with cross-functional teams to implement best practices, enhance system performance, and deliver high-quality code.
Role Overview Vannevar Labs is looking for a Senior Fullstack Software Engineer to help design and build software that supports our mission. This remote role focuses on developing new features and improving existing applications. What You Will Do Work closely with cross-functional teams to deliver high-quality software Develop and enhance features across our applications Contribute to a smooth and effective user experience
Full-time|$186.1K/yr - $251.5K/yr|Remote|San Mateo, CA / Remote friendly (Continental US + Hawaii + Canada)
ABOUT KHAN ACADEMY Khan Academy is a nonprofit organization dedicated to delivering a free, world-class education to anyone, anywhere. We reach millions of students each month and are experiencing rapid growth. Our extensive library of high-quality instructional and practice resources empowers learners and the educators who support them. From metaphors to multivariable calculus, our goal is to provide students with the tools they need to realize their potential and learn anything. ABOUT KHAN ACADEMY KIDS Khan Academy Kids is an engaging, free learning program designed for children aged 2 to 8. With the help of Kodi Bear and a vibrant cast of animated characters, children embark on a personalized educational journey filled with enjoyable, standards-aligned activities in early literacy, mathematics, executive functioning, and social-emotional skills. Developed by a small but dynamic team, Khan Academy Kids is embraced by millions of children in homes and classrooms worldwide. THE ROLE As a Senior Software Engineer II on the Khan Academy Kids team, you will be a key technical contributor, responsible for designing and maintaining the fullstack web infrastructure that underpins our educational platform. Your work will span the entire technology stack—from frontend user interfaces to backend APIs and databases—ensuring that teachers, parents, and administrators have access to effective, user-friendly tools to support young learners. This position presents an exciting opportunity to address complex technical challenges while significantly contributing to our mission of delivering free, world-class education to every child. Key Responsibilities: Design, develop, and maintain fullstack web applications and services that power dashboards and administrative tools utilized by educators and families globally. Lead intricate technical projects from inception to launch, collaborating with cross-functional teams including engineering, product management, design, and content development to deliver transformative features that advance our educational mission. Promote engineering excellence by writing clean, testable, and well-documented code, conducting comprehensive code reviews, and advocating for best practices that enhance the technical capabilities of the entire team. Engage in technical planning and architectural decisions, leveraging your deep fullstack expertise to influence the long-term technical direction of the Khan Academy Kids platform.
Full-time|$170K/yr - $216K/yr|Hybrid|San Francisco, CA, USA
Waymo is at the forefront of autonomous driving technology, dedicated to becoming the world's most reliable driver. Originating as the Google Self-Driving Car Project in 2009, our mission has been to develop the Waymo Driver—The World’s Most Experienced Driver™—to enhance mobility access while significantly reducing traffic-related fatalities. The Waymo Driver is the backbone of our fully autonomous ride-hailing service and is adaptable across various vehicle platforms and product applications. Having completed over ten million rider-only trips, our technology has autonomously navigated more than 100 million miles on public roads and participated in extensive simulations across 15+ U.S. states.With our commercial service operational in several cities and ambitious plans for substantial growth, we are in the early stages of developing the necessary infrastructure to support this expansion. The increasing demand for our ride-hailing service presents a unique opportunity to evolve our systems, offering a dynamic environment to tackle complex and impactful cross-functional challenges.Team: Fleet ManagementProject: Workshop management; focused on planning and executing vehicle maintenance and uptime software.In this hybrid role, you will report to an Engineering Manager.
Be Part of Tether's Vision for the Future of Digital FinanceAt Tether, we're not just creating products; we're at the forefront of a transformative financial movement. Our innovative solutions empower businesses—ranging from exchanges and wallets to payment processors and ATMs—to effortlessly integrate reserve-backed tokens across various blockchains. Leveraging blockchain technology, Tether allows you to securely store, send, and receive digital tokens in real-time, globally, and at minimal costs. Our commitment to transparency is fundamental to everything we do, fostering trust in every transaction.Innovate with TetherTether Finance: Our pioneering product suite includes the world's most trusted stablecoin, USDT, utilized by hundreds of millions globally, alongside groundbreaking digital asset tokenization services.But that is just the beginning:Tether Power: Fostering sustainable growth, our energy solutions enhance Bitcoin mining by optimizing surplus power using environmentally-friendly practices across advanced, geo-diverse facilities.Tether Data: Driving advancements in AI and peer-to-peer technology, we lower infrastructure expenses and improve global connectivity with cutting-edge solutions like KEET, our flagship application that revolutionizes secure and private data sharing.Tether Education: Making high-quality digital learning accessible to everyone, we enable individuals to succeed in the digital and gig economies, fostering global growth and opportunity.Tether Evolution: At the crossroads of technology and human potential, we are redefining what is possible, shaping a future where innovation and human capabilities converge in extraordinary ways.Why Join Us?Our team consists of a global network of talented professionals, collaborating remotely from every corner of the globe. If you are eager to make a significant impact in the fintech space, this is your chance to work alongside some of the most brilliant minds, breaking barriers and establishing new benchmarks. We have rapidly expanded, maintained a lean structure, and secured our position at the forefront of the industry.
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Join Tapcart, the premier mobile app platform designed for the world's fastest-growing Shopify brands. We empower marketers and eCommerce teams to enhance their brands and deliver unique customer experiences through a direct mobile channel.Our platform drives mobile shopping for over 50 million consumers and facilitates more than $8 billion in annual revenue. Renowned brands like Béis, Grove Collaborative, and Ruggable rely on Tapcart to convert mobile traffic into high-retention, thriving relationships, with mobile apps launched in a matter of hours, not months.THE ROLEAs a Senior Software Engineer on the Content Team, you will take ownership of our component library, UI blocks, and the in-app features utilized by millions of shoppers daily. You will be responsible for delivering end-to-end solutions, from problem identification to production-ready features, design patterns, and architectures that ensure our applications are fast, scalable, and extensible. Collaboration with other teams will be essential to introduce new building blocks and drive the next generation of AI-enhanced productivity in mobile app development.You will truly own the process, from prototyping to production, working closely with product, design, and solutions engineering teams, while maintaining close contact with merchants to deliver early value and iterate rapidly.HOW YOU WILL MAKE AN IMPACTDesign, develop, and maintain a reusable, type-safe React/Next.js component system.Prototype innovative UI and features during weekly sprints, validate with live merchants, and iterate to roll out to thousands of apps.Optimize bundle size, server-side rendering, client-side performance, and ensure WCAG compliance.Develop tools (CLI, CI pipelines, linting) that enable external developers to extend our product without limitations.WHAT SKILLS YOU’LL NEED5-7 years of experience in software engineering.3+ years of full-stack development experience with React Native and React + Next.js (TypeScript).Proven experience in building and maintaining design systems/component libraries.Familiarity with cloud deployments and hosting environments.Capability to deliver production-ready code in a dynamic, cross-functional setting.BONUS IF YOU HAVE:
Full-time|On-site|New York, New York, United States
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About Us:At LangChain, we are on a mission to make intelligent agents commonplace. Our platform serves as the backbone for agent engineering in real-world applications, enabling developers to transform their prototypes into production-ready AI agents that organizations can depend on. Initially recognized for our widely adopted open-source tools, we have evolved to also provide a comprehensive platform for building, evaluating, deploying, and managing agents at scale.Today, our solutions including LangChain, LangGraph, LangSmith, and Agent Builder are utilized by teams delivering genuine AI products across both startups and large enterprises. Millions of developers rely on LangChain to empower AI teams at prominent companies such as Replit, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, and 35% of the Fortune 500.With $125 million raised in Series B funding from leading investors including IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we are in an exciting phase of product development, experiencing rapid growth where every team member can significantly influence our projects and collaborative work culture. At LangChain, your contributions can reshape how technology manifests in the real world.About the Role:We are seeking a dedicated core maintainer to join the LangChain team. This individual will play a crucial role in enhancing and maintaining the LangChain JavaScript package. Preference will be given to candidates who can work in person in San Francisco.Enhancing the core abstractions and runtime of the langchain and langgraph packagesImproving and expanding documentationResponding to user inquiries and resolving issues effectivelyUtilizing langchain to develop example applicationsSuccess Factors:Minimum of 3 years of experience in software engineering or applied machine learningStrong background in Software EngineeringExceptional written and verbal communication skills, capable of conveying technical concepts to both technical and non-technical audiencesAbility to thrive in a fast-paced environment and view unstructured settings as opportunities to define impactful workOwnership mindset; proficient at managing tasks independently and effectively
Full-time|$170K/yr - $240K/yr|On-site|New York City, NY
Role Overview Sigma Computing is growing its engineering team in New York City. The Senior Fullstack Software Engineer will help shape how users explore and interact with data. This role focuses on building technology that makes data more accessible and intuitive for a broad audience. What You Will Do Work on complex problems to create interactive experiences for data warehouse users, making analysis and exploration easier. Use modern programming languages and tools, including Rust, Go, GraphQL, and Kubernetes, throughout the development process. Build infrastructure to support Sigma Computing's cloud application. Develop algorithms and techniques that improve performance and interactivity in a multi-tenant cloud environment. Design and implement new features and technologies for a rapidly expanding user base. Collaborate across backend, frontend, design, product, customer support, sales, and marketing teams to deliver a strong product.
