UI Developer

Who We ArePostman is the premier API platform utilized by over 45 million developers and 500,000 organizations globally, including 98% of the Fortune 500. Our mission is to empower developers and professionals worldwide to create an API-first environment by simplifying every stage of the API lifecycle and enhancing collaboration, thereby enabling users to build superior APIs more swiftly.Headquartered in San Francisco, we also maintain offices in Boston, New York, Austin, Tokyo, London, and Bangalore—our city of origin. As a privately held company, we have secured investments from leading firms such as Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. Discover more at postman.com or engage with us on X at @getpostman.P.S: We highly recommend exploring The "API-First World" graphic novel to gain insight into our broader vision at Postman.About the TeamThe Client Platform organization is dedicated to paving the way for building, testing, and deploying Postman’s web and desktop applications. We are responsible for frameworks, design systems, SDKs, build tools, and shared infrastructure that product engineers rely on daily. The UI Platform group is focused on developing reliable, accessible, and high-performance UI foundations that are used across Postman.The OpportunityAs a Senior Software Engineer on the Client Platform team, you will play a key role in shaping the front-end infrastructure that Postman depends on. This encompasses the design system and reusable components that enhance both web and desktop experiences. Your contributions will significantly impact how hundreds of engineers build, fostering consistency, performance, and an improved developer experience.This position involves hands-on work. You will create components, establish UI architecture, and collaborate with engineers and designers to transform concepts into scalable UI systems. In this role, you will advance the UX layer, enabling teams to deliver high-quality features without the need to reinvent core patterns.What You’ll DoEnhance front-end architecture, including component libraries, layout patterns, theming, and global UI behaviors.Develop specialized UI components as needed (e.g., editors, grids, structured data components) with a focus on performance and usability.Ensure components meet accessibility standards, keyboard interaction patterns, and internationalization/localization requirements.Assist product teams in embracing UI Platform components and patterns, offering guidance and identifying opportunities to simplify or expand the platform.

About the RoleAt Descript, we are revolutionizing the way audio and video content is created and edited, ensuring that the process is swift, user-friendly, and accessible to everyone. Our innovative media editor leverages real-time collaboration, exceptional user experience, and advanced AI technology. This is the future of media!The Builder Experience (BIX) team is a pivotal part of Descript's platform, laying the groundwork for every product engineer. We manage the design system, essential UI frameworks, client performance, state management patterns, continuous integration, as well as the libraries and tools that maintain our codebase's health and enhance engineer productivity. If it involves the client shell, rendering pipeline, or cross-cutting frontend infrastructure, it's within our domain.We are seeking a passionate engineer, proficient in modern React, who thrives in frontend platform development and is motivated by the goal of enhancing the efficiency of our entire engineering organization. You will engage in hands-on systems work—such as performance tuning, dependency management, and the evolution of our design system—while also adopting a coaching and enablement approach to assist product teams in implementing improvements and elevating their skills.

Okta, Inc. is seeking a Senior Client Platform Engineer to join its San Francisco office. This position centers on managing and securing the company’s Apple device fleet, while also contributing to endpoint management across Windows and Linux platforms. Team and Impact The Technology, Data, and Insights (TDI) team at Okta drives company-wide scalability. Engineers here focus on automation, rigorous testing, and performance improvements that shape the daily experience for every Okta employee. The Senior Client Platform Engineer plays a key role in maintaining a seamless and secure environment throughout the organization. What You Will Do Apple Fleet Management: Oversee global macOS and iOS device management using Jamf Pro. This includes device enrollment, configuration profiles, and application deployment. Automation and Tools: Apply expertise with Jamf Pro and open-source tools such as Munki and Santa. Use unified solutions like FleetDM to bridge multiple platforms. Cross-Platform Support: Support and help secure Windows environments (with Intune) and Linux systems as part of Okta’s endpoint management approach. Customer Zero: Collaborate with Product and Engineering teams to test new identity and device management features, provide actionable feedback, and influence tools used by millions. Role Details This position reports to the Senior Manager of Client Platform Engineering. The role is well suited to an engineer looking to deepen expertise in the Apple ecosystem while expanding influence across other operating systems.

About AnthropicAt Anthropic, we are dedicated to developing advanced AI systems that are not only reliable and interpretable but also safe for our users and society at large. Our rapidly expanding team comprises passionate researchers, engineers, policy experts, and business leaders all collaborating to create beneficial AI solutions.Role Overview:As a pivotal member of our UI Platform team, you will contribute to Claude.ai, Anthropic's flagship consumer product, which encompasses web, mobile, desktop, and browser extensions. Your role will revolve around building the core infrastructure, components, APIs, and tooling that enable our product teams to deliver high-quality features swiftly and reliably.Your contributions will include designing and deploying shared components and design-system abstractions, enhancing the backend-for-frontend (BFF) APIs, and optimizing the build, deployment, and observability systems that ensure Claude.ai functions seamlessly across all platforms. The impact of your work will significantly accelerate innovation across teams while maintaining stability in user experiences.If you are passionate about enhancing developer experience and want your engineering contributions to multiply the impact across various features, this role is tailor-made for you.

Join our innovative team as a Frontend Engineer for the UI Platform at Cloudflare. In this pivotal role, you will be responsible for developing and enhancing our user interface components, ensuring a seamless experience for our clients. You will have the opportunity to collaborate with talented engineers and designers to shape the future of our platform.We value creativity and problem-solving skills, and we’re looking for passionate individuals who thrive in a dynamic environment. Your work will directly impact how our users interact with our services and contribute to the overall success of the company.

About StravaStrava is the ultimate app for individuals who embrace an active lifestyle. With a vibrant community of over 180 million athletes spanning more than 185 countries, Strava transcends mere workout tracking—it's a platform where individuals collaborate to achieve their goals, develop new habits, and surpass personal milestones. Regardless of your chosen sport or tracking method, Strava is here to support you. Join us and start crushing your goals today by beginning your journey with Strava.Our mission is straightforward: to inspire individuals to lead their most active lives. We firmly believe in the transformative power of movement to connect and propel people forward.About This RoleAs a key member of the Foundation engineering team at Strava, you will play a crucial role in ensuring the reliability and security of the infrastructure that supports millions of athletes on their journeys. You will develop the tools, frameworks, and platforms that are essential to delivering valuable features to our users.In your role as a Senior Engineer on the Foundation team, you will have the opportunity to enhance Strava's core platform. You will empower teams to innovate swiftly and confidently by enhancing the developer experience, creating tools, collaborating with teams, and ensuring that features are delivered safely and efficiently.We embrace a flexible hybrid work model, which means you will spend over half of your time on-site at our San Francisco office—three days a week.

About ReductoAt Reducto, we empower AI teams to seamlessly integrate real-world enterprise data with unmatched precision. Our mission is to unlock the vast potential of enterprise data—whether it’s financial reports or health records—currently trapped in unstructured formats like PDFs and spreadsheets. We develop advanced vision models that interpret these documents as a human would, enabling the creation of innovative products, training of models, and automation of processes at scale.Having experienced remarkable growth, with a 7x increase in revenue year-over-year, we now collaborate with hundreds of organizations, from prominent AI teams such as Harvey, Vanta, and Scale, to major enterprises including FAANG and top trading firms.With over $100 million raised from esteemed investors like A16z, Benchmark, and First Round Capital, we are on the lookout for seasoned engineers to join our Platform team.The OpportunityAs a Senior Software Engineer on our Platform team, you will be pivotal in developing our core API, which facilitates document parsing for numerous companies. Your role will involve integrating cutting-edge large language models (LLMs), optimizing document processing pipelines, and building the foundational platform and infrastructure that democratizes state-of-the-art document understanding at scale. Collaboration with our machine learning engineers will be key, as we work together to deploy in-house models at the forefront of document understanding.

Join our dynamic team at Sonsoft Inc. as a UI/AngularJS Developer, where you will play a pivotal role in creating innovative user interfaces for our cutting-edge applications. You will collaborate closely with designers and backend developers to deliver seamless user experiences that delight our customers.

MidiHealth is seeking a Senior Software Engineer to join the Platform Engineering team. This hybrid role is based in the SF Bay Area and centers on building and enhancing the software that drives MidiHealth’s healthcare technology platform. The work contributes directly to improving patient outcomes through technology. Key responsibilities Design and develop software solutions for the core platform Collaborate with engineering, product, and cross-functional teams to deliver integrated features Support the reliability and scalability of the platform Location This position requires regular on-site work in the SF Bay Area as part of a hybrid schedule.

Aura is seeking a talented and experienced Senior Software Engineer, Platform to join our innovative team. In this role, you will be responsible for designing and implementing scalable software solutions that enhance our platform capabilities. You will work closely with cross-functional teams to ensure the delivery of high-quality software that meets the needs of our users.

Monaco is revolutionizing the startup ecosystem with its innovative revenue engine, designed to replace outdated CRM systems and fragmented sales solutions with an AI-driven platform.We are seeking a talented Senior Platform Engineer to join our team, focusing on the development of Monaco's cutting-edge data and machine learning platform. Your expertise will help establish the pipelines, contextual systems, and infrastructure that underlie our AI-enhanced products. You will play a pivotal role in ensuring that our models, agents, and workflows deliver real value in production.This is a highly impactful position that sits at the crossroads of data engineering, distributed systems, and applied AI.

Role overview ditto is seeking a Senior Platform Engineer, Operator for a fully remote role. This position is open to candidates located in Atlanta, Austin, San Francisco, or Seattle. The focus is on designing, building, and maintaining systems that keep company operations running smoothly and efficiently at scale. What you will do Design and implement systems that improve platform scalability, performance, and reliability. Maintain and enhance the existing infrastructure to support ongoing business operations. Work closely with cross-functional teams to address technical challenges and streamline processes. Use technical expertise and leadership to drive key platform initiatives. Requirements Extensive experience in platform engineering. Strong problem-solving abilities and a collaborative mindset. Proven ability to contribute technical insights and lead engineering projects. Location This is a remote position. Candidates must be based in Atlanta, Austin, San Francisco, or Seattle.

Join SoFi as a Senior Web Platform Engineer and be at the forefront of building innovative web solutions that empower our users. You will work on enhancing and maintaining our web platform, ensuring high performance, scalability, and security. Collaborate with cross-functional teams to implement new features and optimize existing ones, using the latest technologies and best practices in web development.

As a UI Developer at 360 IT Professionals, you will play a crucial role in creating dynamic and responsive user interfaces that enhance user experience across our applications. You will collaborate closely with our design and development teams to translate wireframes and prototypes into functional and visually appealing interfaces. Your expertise in front-end technologies will be pivotal in maintaining our standards for quality and usability.

Join Our Team:At Notion, we empower individuals and teams to create stunning tools for their professional journeys. In a landscape filled with countless applications, Notion stands out by providing a cohesive platform that integrates documents, notes, projects, calendars, and emails. With built-in AI capabilities, we streamline workflows and enhance productivity. Our diverse user base, ranging from freelancers to major companies such as Toyota, Figma, and OpenAI, appreciates Notion’s versatility, which aids in saving both time and resources.We believe in the power of in-person collaboration, hence all employees are expected to work from our offices on Mondays, Tuesdays, and Thursdays—our designated Anchor Days. Depending on team requirements, additional in-office days may be necessary.Role Overview:As a Client Platform Engineer, you will spearhead the management of our endpoint infrastructure across macOS, Windows, iOS, and Android. Your mission will be to design and implement scalable, automated solutions that ensure secure deployments and optimize operational efficiency. Collaboration with IT, Security, and Engineering teams will be key as you adopt modern endpoint management practices using automation, Infrastructure-as-Code (IaC), and monitoring strategies.Your Objectives:In this role, you will:Architect, implement, and sustain a high-performance endpoint management infrastructure for macOS, Windows, iOS, and Android, emphasizing top-tier security.Enhance endpoint management through custom software development utilizing industry-standard open source tools and proprietary solutions.Utilize modern Infrastructure-as-Code (IaC) techniques and establish GitOps-driven methods for collaborative fleet management on a large scale.Create and manage CI/CD pipelines for fleet management infrastructure, ensuring deployments across rigorously tested environments in Azure, AWS, and GCP.Promote the adoption of cutting-edge CPE technologies and industry best practices to enhance process scalability and operational efficacy.Collaborate with cross-functional teams to provide seamless endpoint experiences while adhering to stringent security protocols and elevating quality standards.Essential Skills:Strong command of modern programming languages such as Python, Golang, or TypeScript.Proven hands-on experience with Kandji and Microsoft Intune, or equivalent cloud identity management solutions.Demonstrated proficiency in endpoint management and security practices.

At Fastly, we empower individuals to maintain meaningful connections with the things they cherish. Our cutting-edge edge cloud platform allows customers to deliver exceptional digital experiences with speed, security, and reliability by processing and securing applications as close to end-users as possible — right at the edge of the Internet. Our platform is engineered to harness the potential of the modern internet, enabling programmability and supporting agile software development. We proudly serve some of the world's most influential companies, including GitHub, Yelp, Paramount, and JetBlue.Join us in building a more trustworthy Internet.Posting Open Date: Reposted March 30, 2026Anticipated Posting Close Date*: April 20, 2026*This job posting may close earlier due to high applicant volume. Senior Principal Engineer, Platform EngineeringAs a member of Fastly’s Platform Engineering team, you will be instrumental in establishing the essential frameworks that enable engineers to deliver quickly, safely, and at scale. In the role of Senior Principal Engineer, you will guide the technical direction and spearhead cross-organizational initiatives aimed at enhancing our platform, developer experience, and operational excellence. Collaborating closely with fellow engineers, you will work to eliminate friction, standardize best practices, and create paved roads to expedite product delivery. This is a highly collaborative and hands-on position, representing the Platform Engineering organization and reporting directly to the Senior Director of Engineering.

Join Sonsoft Inc. as a UI/AngularJS Developer, where your creativity and technical skills will help shape the future of our web applications. We are looking for an enthusiastic developer who is passionate about building dynamic user interfaces using AngularJS and has a keen eye for detail.

About SentryAt Sentry, we believe that poor software should no longer be the norm. Our mission is to empower developers to create high-quality software more efficiently, allowing them to reconnect with the joy of technology.With over $217 million in funding and a trusted community of more than 100,000 organizations—including industry leaders like Disney, Microsoft, and Atlassian—we are pioneering performance and error monitoring tools that enable teams to devote less time to bug fixing and more time to product development.Embracing a hybrid work culture, we prioritize collaboration by designating Mondays, Tuesdays, and Thursdays as in-office days. If you are passionate about building impactful tools that enhance the digital experience, we invite you to join us in shaping the future of software monitoring.About the RoleAs we scale for the future, a robust platform is critical to our success. The Platform organization at Sentry oversees the essential components that drive our services—from cloud infrastructure and streaming systems to storage, deployment, and security. We are responsible for the foundational services that empower every product and engineering team at Sentry to innovate swiftly and with assurance.We are on the lookout for a dedicated and forward-thinking Senior Staff Software Engineer to spearhead this evolution. In this pivotal role, you will report directly to the VP of Engineering and collaborate with various teams across the organization to influence the trajectory of Sentry’s platform.Your ResponsibilitiesDesign and architect the future of Sentry by converting business objectives and product strategies into clear, scalable technical blueprints.Collaborate with product and engineering leaders to align technical roadmaps with the company’s strategic goals.Lead cross-functional initiatives within the Platform organization—taking ownership from inception to delivery and driving impactful results.Foster engineering excellence by mentoring platform engineers, disseminating best practices, and establishing high standards for system design, scalability, and operational quality.Evaluate significant architectural proposals to ensure consistency, maintainability, and long-term technical health across the organization.What Makes This Role ExcitingYou enjoy designing and creating platforms that empower teams to operate more swiftly and securely.You thrive on tackling complex, multi-layered challenges across product, infrastructure, and organizational structures.You have a passion for engineering that fosters collaboration and innovation.

Join Adyen as the Engineering Director for our Developer Platform team, where you will lead innovative engineering projects aimed at enhancing our platform's capabilities. You will collaborate with cross-functional teams to drive strategic initiatives and ensure the successful delivery of high-quality software solutions. If you are passionate about technology and have a proven track record of leadership in software engineering, we want to hear from you!