Lead Software Engineer Application Platform Jobs

About Datadog: We're on a mission to build the best platform in the world for engineers to understand and scale their systems, applications, and teams. We operate at high scale—trillions of data points per day—providing always-on alerting, metrics visualization, logs, and application tracing for tens of thousands of companies. Our engineering culture values pragmatism, honesty, and simplicity to solve hard problems the right way. The Opportunity: Datadog’s Staff Engineers are our technical leaders operating at the forefront of technology, building solutions that take us through at least our next five years of growth. They do this in three major ways: As individual contributors, they bring world class technical abilities to deliver industry leading systems in areas such as data visualization, virtual runtime profiling, and planet scale streaming. As technical leaders they bring experienced technical breadth and communication skills to tackling design and architectural problems spanning the organization, charting the right course, then leading delivery. In both roles they participate in the staff engineering community and help us learn from what the industry is doing and what we've built before, and so improve company wide standards around software and systems engineering. Some examples of projects a staff engineer may own include designing and building a new data storage engine handling hundreds of millions of records per second, being the lead engineer building a new product like synthetics or profiling, or rebuilding a critical service to handle the next two orders of magnitude of scale. What You'll Do: Be the technical owner of multiple pieces of critical architecture in your area of the business Own delivery of the systems you architect from beginning-to-end, doing what it takes to get things shipped and at full scale in production Dive deep into performance of systems; inventing new approaches that bring efficiency at scale Who You Are: You have a BS/MS/P

Who We Are Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI-powered insights within investment and client workflows. More than 1,500 firms in 60 countries use Addepar to manage and advise on nearly $10 trillion in assets. Its open platform integrates with 650 software, data and consulting partners to power end-to-end investment operations across firms of all sizes and levels of complexity. Addepar supports clients worldwide with offices in New York City, Salt Lake City, São Paulo, London, Edinburgh, Geneva, Warsaw, Dubai, Pune and Singapore. The Role We are currently seeking a staff software engineer to join the Alternatives Data Management (ADM) team. Our team is building AI-powered data products and workflow solutions that unlock transparency, efficiency, and insight in private market investments. You’ll join a talented full-stack team of engineers and work on distributed services that are used across the entire ADM engineering stack. Applicants must have, and maintain, the right to work in the United Kingdom from the first day of employment. Please note that visa sponsorship is not available for this role. What You’ll Do Own the end-to-end delivery of complex, multi-month initiatives within ADM, including work that spans team boundaries. Anticipate risks and unblock dependencies before they become delivery blockers. Lead technical designs for new products and workflow solutions, aligned with ADM and Addepar’s longer-term strategy. Solicit feedback and build consensus. Write exemplary, highly performant, and scalable code and frameworks. Evangelize and promote best engineering practices. Serve as a primary technical point of contact. Initiate and lead collaboration with cross-functional teams to resolve complex application and infrastructure issues. Mentor engineers, identify ski

Role Overview Build reliable software services that power products, platforms, and business decisions. As a Senior Software Developer, you’ll design and deliver scalable applications, backend services, and integrations that perform well in production and evolve with changing business needs. You’ll apply strong software engineering practices across APIs, data-intensive applications, cloud services, AI-enabled solutions, and deployment pipelines. You’ll help shape technical solutions, improve system reliability, and contribute to a high-quality engineering culture. Here’s a breakdown of what you’ll do (not all of it, just the important stuff) Design and develop scalable backend services and applications using Python or TypeScript. Lead the development of APIs, integrations, reusable software components, and AI-enabled features. Build reliable solutions for data ingestion, manipulation, service-to-service communication, and intelligent automation. Apply AI technologies and modern software engineering practices to improve product capabilities, developer productivity, and operational efficiency. Make sound technical decisions around architecture, performance, security, scalability, and maintainability. Deploy and operate applications using AWS services and CI/CD practices while improving testing, monitoring, documentation, and delivery standards. These are the essentials you’ll need to get an interview 5+ years of professional experience developing and delivering production software. Strong hands-on experience with Python; TypeScript or similar languages is also valuable. Proven experience building backend services, APIs, integrations, and service-oriented applications. Experience applying AI technologies, such as generative AI, machine learning services, intelligent automation, or AI-enabled application features. Strong understanding of software design principles, testing, debugging, performance optimization, and secure development. Experience working with cloud platfor

Webflow is the agentic web marketing platform for modern marketing teams, helping organizations build, manage, and optimize high-performing web experiences that drive predictable growth and strengthen brand trust. Building at Webflow will need grit, because we move fast, without ever sacrificing craft or quality. We're looking for a Senior Staff Software Engineer to help lead the technical future of Convert — our suite of products that give marketing and growth teams the tools to experiment, personalize, and drive real revenue from their web presence. About the role: Location: Remote-first (United States; BC & ON, Canada) Full-time Permanent Exempt The cash compensation for this role is tailored to align with the cost of labor in different geographic markets. We've structured the base pay ranges for this role into zones for our geographic markets, and the specific base pay within the range will be determined by the candidate’s geographic location, job-related experience, knowledge, qualifications, and skills. United States (all figures cited below are in USD and pertain to workers in the United States) Zone A: $ 232,000 - $ 290,000 Zone B: $ 217,600 - $ 272,000 Zone C: $ 204,800 - $ 256,000 Canada (figures cited below are in CAD and pertain to workers in ON & BC, Canada) $253,000 - $ 316,000 This role is also eligible to participate in Webflow's company-wide bonus program. Target amounts are a percentage of base salary and vary by career level. Payouts are based on company performance against established financial and operational goals. Please visit our Careers page for more information on which locations are included in each of our geographic pay zones. However, please confirm the zone for your specific location with your recruiter. Application Information: Application deadline: applications accepted on an ongoing basis until position is closed and filled This posting is for a new position Reporting to the Director, Engineering As a Senior

Everpure (NYSE: P) has evolved from storage pioneer to data platform, closing fiscal 2026 with $3.7 billion in revenue, its first billion-dollar quarter, and accelerating growth into FY27. Our strategic agenda spans the companies defining the next era of technology - hyperscalers, AI labs, the AI hardware supply chain, data platform providers, and the broader AI ecosystem. This type of work—work that changes the world—is what the tech industry was founded on. So, if you're ready to seize the endless opportunities and leave your mark, come join us. THE ROLE Join the Digital Experience (DX) business unit to deliver the next generation of intelligent, cloud-native fleet management solutions for our customers. You will contribute to our mission of simplifying operations by building scalable SaaS platforms that leverage AI, security, and automation . This role involves working across the full application lifecycle, from Pure IAM to Pure1 Manage , collaborating with cross-functional teams to translate business needs into resilient, production-ready systems. WHAT YOU'LL DO Own the end-to-end design, development, and operation of mission-critical processing services , ensuring seamless, secure, and compliant data flow between edge devices and the Pure1 cloud platform. Partner with Product and Architecture teams to translate complex requirements into scalable, resilient architectural designs that drive significant organizational impact from initial concept through to production deployment. Drive continuous innovation by experimenting with new technologies, platform ecosystems, and architectural patterns to improve system performance, security, and cost-effectiveness for petabytes of real-time data. Maintain a quality-first mindset throughout the entire software development lifecycle, emphasizing comprehensive unit testing, thorough code reviews, and robust Continuous Integration/Continuous Deployment (CI/CD) pipelines. Lead the resolution of complex inter-operab

Who We Are Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI-powered insights within investment and client workflows. More than 1,400 firms in nearly 60 countries use Addepar to manage and advise on nearly $9 trillion in assets. Its open platform integrates with nearly 650 software, data and consulting partners to power end-to-end investment operations across firms of all sizes and complexity. Addepar supports clients worldwide with offices in New York City, Salt Lake City, London, Edinburgh, Pune, Dubai, Geneva, Singapore and São Paulo. The Role We are currently seeking a highly experienced Staff Software Engineer with a strong Java background to join our Letter of Authorisation (LOA) team! We’re building a system that can self-service onboarding of held-away accounts for enterprise clients. This new system will be built on our application framework with cloud-native architecture principles. We’re looking for an experienced, detail-oriented Engineering Leader who will build an inclusive team culture, empower engineers to succeed and foster an environment that creates high quality engineering processes and product delivery. You are passionate about technology and can amplify your technical knowledge via your team. You’ll work closely with our product and design teams to deliver great products for our clients. Our engineering team primarily works in Java, Python and React, a strong Java experience with any of the additional skills would help succeed in the role. We use Agile methodologies to deliver impactful business outcomes. What You’ll Do Architect, implement, and maintain engineering solutions to solve complex problems; write well-designed, testable code. Lead individual project priorities, deadlines, and solutions. Collaborate effectively with product manager

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. Location- Chennai Team: Engineering Enablement Group As a Senior Software Engineer in our Engineering Enablement Group, you will lead the re-design and evolution of our Mobile Branding framework — the system that enables customers to create custom-branded versions of the Appian mobile application for both iOS and Android. You will drive the architectural modernization of the end-to-end branding pipeline, from the customer-facing Forum application and provisioning tools to the backend build service running on Mac EC2 runners in AWS. By leveraging modern microservices, CI/CD automation, and cloud-native infrastructure, you will transform the current system into a more reliable, scalable, and maintainable platform that reduces manual intervention and accelerates customer delivery. We are looking for a technical leader who can bridge the gap between complex Ruby/Bash-based tooling, Appian process models, and AWS infrastructure to deliver a seamless mobile branding experience. Primary Qualifications: 6-9 Strong working experience with Android and iOS frameworks and mobile application development workflows. Familiarity with mobile build systems (Fastlane, Xcode, Gradle) and code-signing workflows. Experience with proficiency in Python, with experience in Ruby, Bash, or Go being a plus. Advanced experience with AWS infrastructure (S3, Lambda, EC2) and CI/CD pipeline design. Strong end-to-end knowledge of pipeline creation, deployment automation, and infrastructure-as-code (Terraform). Familiarity with monitoring, observability, and performanc

About the team and role The team focuses on SaaS application protection (e.g., Microsoft Office 365, Salesforce). As the industry moves toward SaaS, data protection (backup and recovery) for these applications is critical. You’ll tackle problems at a massive scale, such as efficiently protecting data for millions of users’ emails and documents, helping drive the next generation of SaaS protection and Rubrik’s next growth engine. Key responsibilities (time allocation) Build large-scale, fault-tolerant distributed software systems that can scale indefinitely (35% of time) Own, design, and develop cutting-edge solutions for Disaster Recovery as a Service (DRaaS) for on‑prem and major cloud platforms; Implement data management jobs for backup and recovery of virtual machines in virtualized enterprise infrastructure (Scala/Java); Design and implement admin-facing UIs and intuitive APIs that integrate with third-party and customer applications Perform code reviews focused on interface design, code quality, and testing strategies Solve challenging scalability and stability problems impacting delivery of high‑scale products in accordance with quality, velocity, and coding standards (25% of time) Analyze defects to assess and prioritize fixes; work with customers and product to understand requirements and requested customizations before implementation Respond to critical problems in our Saas product offerings (20% of time) resolve issues in build and test infrastructure; create solutions with robust monitoring, metrics, and automation Partner closely with Rubrik product teams to understand customer requirements and ensure features are delivered effectively (20% of time) What you’ll do (summary) Design, build, and maintain Rubrik’s cloud data protection services for SaaS applications Tackle complex distributed systems and scaling problems Collaborate with Product Management, UI, Documentation, and Support teams Lead projects and mentor junior engineers

About Datadog: We're on a mission to build the best platform in the world for engineers to understand and scale their systems, applications, and teams. We operate at high scale—trillions of data points per day—providing always-on alerting, metrics visualization, logs, and application tracing for tens of thousands of companies. Our engineering culture values pragmatism, honesty, and simplicity to solve hard problems the right way. The Opportunity: Datadog’s Senior Staff Engineers are technical leaders operating at the forefront of large-scale systems design, building the infrastructure that will support our next five years of growth and beyond. They do this in three major ways: As individual contributors, they bring world-class technical depth to build industry-leading systems in areas such as observability data platforms, distributed query engines, and real-time event streaming at global scale. As technical leaders, they apply broad architectural perspective and deep systems thinking to align design decisions across teams and domains. They work across complex, multi-team problem spaces to define long-term technical direction, drive large-scale initiatives forward, and ensure consistent execution. As engineering stewards, they play a key role in evolving our systems and engineering culture. They actively participate in Datadog’s senior technical community, bringing external insights and internal experience to elevate engineering standards and mentor the next generation of technical leaders. Examples of projects a Senior Staff Engineer may lead include designing and launching a new distributed data storage engine capable of handling hundreds of millions of records per second, building the real-time infrastructure behind a new observability product, or re-architecting a core service to support exponential growth in throughput and complexity. What You’ll Do: Be the technical owner of multiple critical systems or architecture areas, often spanning several t

About the Role We are looking for a Principal Software Engineer to shape how our AWS-based SaaS products are built, deployed, and operated. This is a hands-on technical leadership role for an engineer with prior software development experience and deep expertise in AWS, infrastructure as code, CI/CD, automation, and observability. You will partner with application, platform, product, and security teams to improve the full software delivery lifecycle. You will modernize existing applications by reducing unnecessary coupling and enabling components to be built, tested, released, and deployed independently where the architecture supports it. You will also set technical direction across teams, lead complex modernization initiatives, and mentor engineers in the Bangalore organization. What You Will Do DevOps Strategy and Technical Leadership Define DevOps and platform engineering standards, reference architectures, delivery patterns, and operational practices. Lead cross-team initiatives that improve delivery speed, reliability, security, and maintainability. Make and communicate technical decisions that balance modernization, customer impact, and service continuity. Mentor engineers, lead knowledge-sharing sessions, and contribute to hiring and technical interviews. Application Modernization and Software Engineering Apply software development experience to understand application architecture, dependencies, build systems, runtime behavior, and operational risks. Assess existing applications and reduce tight coupling between components, services, shared libraries, and deployment units where practical. Enable components to be built, tested, versioned, and deployed independently Improve configuration, secrets handling, health checks, logging, metrics, and graceful startup and shutdown behavior. Build automation and engineering tools using a programming or scripting language such as Python, Go, Groovy, or shell. CI/CD and Developer Experience Design, implement, and ope

About the Role We are looking for a Principal Software Engineer to shape how our AWS-based SaaS products are built, deployed, and operated. This is a hands-on technical leadership role for an engineer with prior software development experience and deep expertise in AWS, infrastructure as code, CI/CD, automation, and observability. You will partner with application, platform, product, and security teams to improve the full software delivery lifecycle. You will modernize existing applications by reducing unnecessary coupling and enabling components to be built, tested, released, and deployed independently where the architecture supports it. You will also set technical direction across teams, lead complex modernization initiatives, and mentor engineers in the Bangalore organization. What You Will Do DevOps Strategy and Technical Leadership Define DevOps and platform engineering standards, reference architectures, delivery patterns, and operational practices. Lead cross-team initiatives that improve delivery speed, reliability, security, and maintainability. Make and communicate technical decisions that balance modernization, customer impact, and service continuity. Mentor engineers, lead knowledge-sharing sessions, and contribute to hiring and technical interviews. Application Modernization and Software Engineering Apply software development experience to understand application architecture, dependencies, build systems, runtime behavior, and operational risks. Assess existing applications and reduce tight coupling between components, services, shared libraries, and deployment units where practical. Enable components to be built, tested, versioned, and deployed independently Improve configuration, secrets handling, health checks, logging, metrics, and graceful startup and shutdown behavior. Build automation and engineering tools using a programming or scripting language such as Python, Go, Groovy, or shell. CI/CD and Developer Experience Design, implement, and ope

P-1607 At Databricks, we are passionate about enabling data teams to solve the world's toughest problems — from making the next mode of transportation a reality to accelerating the development of medical breakthroughs. We do this by building and running the world's best data and AI infrastructure platform so our customers can use deep data insights to improve their business. Founded by engineers — and customer-obsessed — we leap at every opportunity to solve technical challenges, from designing next-gen UI/UX for interfacing with data to scaling our services and infrastructure across millions of virtual machines. And we're only getting started. First-party data collection is the entry point for everything downstream. It also runs on other people's websites and inside other people's apps, which raises the bar from a quality, reliability, and development experience. We are looking for an engineer to lead that surface, client and server side. The impact you'll have: Lead the collection stack end to end: browser tag, mobile SDKs, server-side endpoints, and the ingest path behind them Define the schema and versioning contract, including compatibility across SDK versions already in the field Lead identity handling that spans anonymous and authenticated records, across devices and sessions Lead integrations with other CustomerLake products like Profile & Campaign Agents Hold hard budgets on page weight, latency, and failure behavior, so that collection never degrades the host application Partner closely with product management, design, and other engineering teams to build intuitive, scalable, and extensible solutions that drive user & business growth What we look for: 10+ years of engineering experience, including time as a tech lead, or leading other tech leads, on complex enterprise software projects Ownership of an SDK or client library consumed by external developers, including native iOS and Android Deep browser-side JavaScript experience: bundle size, async l

About the Role Together AI is building the AI Acceleration Cloud, an end-to-end platform for the full generative AI lifecycle, combining the fastest LLM inference engine with state-of-the-art AI cloud infrastructure. The AI Infrastructure team at Together AI is at the forefront of building and scaling the foundational systems that power our generative AI platform. The storage and observability team is crucial for designing, implementing, and maintaining robust distributed storage solutions, ensuring seamless data access and management. They are also responsible for developing comprehensive observability platforms, providing critical insights into system performance and GPU utilization, and proactively identifying and resolving issues. Responsibilities Design and implement a scalable observability platform (metrics, logs, traces) using tools like Prometheus, Grafana, ClickHouse, ClickStack, and OpenTelemetry, including telemetry data pipelines and log aggregation workflows. Develop automated monitoring, alerting, and anomaly detection systems, including SLIs/SLOs, runbooks, and predictive analytics for critical services. Build and deploy custom observability tools and infrastructure-as-code using Go, Python, Terraform, Ansible, and Helm. Collaborate with engineering teams to enhance distributed tracing and application monitoring, and lead incident response with post-mortem analysis. Define observability best practices. Requirements Expertise in observability platforms (Prometheus, Grafana, ClickStack, OpenTelemetry) and cloud-native monitoring services (AWS, GCP, Azure). Strong programming skills in Go, Python, or similar languages, with proficiency in infrastructure-as-code tools (Terraform, Ansible, Helm). Experience designing, operating, and scaling large-scale distributed systems and pipelines for high-volume data ingestion and real-time querying. Deep understanding of containerization (Docker) and orchestration (Kubernetes). Knowledge of microservices architectu

Toast creates technology to help restaurants and local businesses succeed in a digital world, helping business owners operate, increase sales, engage customers, and keep employees happy. At Toast, we are committed to empowering our customers by providing the technology, resources, and community they need to thrive. While our roots are in food service, we are rapidly expanding into adjacent markets and international territories. Our mission is to build a world-class Device Management platform that supports the diverse needs of all Toast customers, regardless of their industry or location. As a member of the Android Systems team, you will bridge the gap between hardware and software to build the foundational platform for Toast POS devices. Whether it’s an international team looking to deploy a new on-device application, a customer needing a critical firmware update, an Enterprise group needing multi-location device tooling - our systems empower customers to set up, secure, and manage their devices from wherever they are. Why this team? Expanding the Vision : We are expanding our Mobile Device Management ecosystem—unifying firmware, on-device apps, and security controls into one cohesive platform. Frictionless Device Management : We are transforming the customer’s device lifecycle experience from out-of-the-box setup to continuous remote management, leveraging AI to dramatically reduce operator’s time spent troubleshooting and configuring devices. About this roll* (Responsibilities): Own the design and delivery of features across Toast's Android system applications in Kotlin and Java, including device policy enforcement, out-of-box device setup, and firmware and app updates. Write technical designs for features that span on-device apps, cloud services, and Toast hardware, and lead effort estimation and planning for your projects. Build reliable background services that run on devices with little to no user interaction, and deploy them safely to the Toast fleet using fe

A World-Changing Company Palantir builds the world’s leading software for data-driven decisions and operations. By bringing the right data to the people who need it, our platforms empower our partners to develop lifesaving drugs, forecast supply chain disruptions, locate missing children, and more. The Role Forward Deployed Software Engineers (FDSEs) understand our customers’ greatest pain points and design end-to-end solutions to address them. FDSEs solicit constant feedback on their work from both customers and colleagues, improving our products over time with rapid iteration cycles. FDSEs deploy ground breaking technical solutions to solve our customers’ hardest problems. Projects often start with a nebulous question like “Why are we losing customers?” or “How can we more effectively identify instances of money laundering?” FDSEs lead the way in developing a solution, from high-level system design and prototyping to application development and data integration. As an FDSE, you leverage everything around you: Palantir products, open source technologies, and anything you and your team can build to drive real impact. You work with customers around the globe, where you gain rare insight into the world’s most important industries and institutions. We help our customers detect insider trading, improve disaster relief, fight healthcare fraud, and more. Each mission presents different challenges, from the regulatory environment to the nature of the data to the user population. You will work to accommodate all aspects of an environment to drive real technical outcomes for our customers. Whether you aspire to be an entrepreneur or an engineering leader, we believe Palantir is the best place — with the best colleagues — to learn how. You’ll learn how to unpack a problem and understand the costs and consequences of its solution. You’ll learn new technologies and languages, and even develop them yourself. You’ll work autonomously and make decisions independently, wit