Lead Junior Software Development Engineer Jobs

Discord has a highly engaged community of millions of daily active users who use the platform for many different reasons, but there’s one thing that nearly everyone does: play video games. Discord plays a uniquely important role in the future of gaming, and we are focused on making it easier and more fun for people to hang out before, during, and after playing games. Discord's Experimentation Platform puts data at the heart of the company's decision-making and growth - we run hundreds of experiments at any given time, and those results turn directly into business decisions across Discord. As a Staff Data Scientist on this team, you will ensure that the statistical underpinnings of our experiments are sound, that experimenters are able to design experiments with high rigor, and that Discord makes the best business decisions on the basis of these experiments. We are a small and quickly growing team; you will be presented with significant leadership opportunities as we evolve. Our team directly impacts the strategy and roadmaps that improve Discord for its more than 90M daily active users! If helping make Discord an even better place to hang out with your friends sounds like an exciting challenge - we'd love to chat with you! What you will be doing Formulate the vision and set the roadmap for the future of the Experimentation Platform, in partnership with engineering, product, and data science stakeholders. Provide statistical expertise, ensuring that experimentation methodologies and frameworks are sound and aligned with best practices in causal inference and experimental design. Partner closely with engineering and product to improve the reliability, scalability, and adoption of experimentation across Discord - including modern AI/LLM tooling where it can accelerate rigor and speed. Lead initiatives to educate and train cross-functional teams - including workshops, training sessions, and educational materials - on experimentation design, statistical methodology

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

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 Cities team leads the work necessary to implement the regulatory products and processes needed globally to comply with regulations, and does so in a manner that also sustainably supports Airbnb’s growth. The Difference You Will Make: We are seeking an operator who is exceptionally effective, entrepreneurial, collaborative, and an excellent communicator. In this role, you will help us scale regulatory compliance strategies and programs for jurisdictions, presenting to cross-functional peers and leadership. You will be the accountable owner for compliance programs, aligning strategy and execution across disparate stakeholders. You will have an eye towards scale, testing, and iterating to further the capacity of the team. You are both scrappy and polished, enabling you to move quickly while bringing stakeholders along. Ultimately your work will support our Stays business and partnerships with jurisdictions around the world, keeping Airbnb a trusted community. A Typical Day: Develop and drive regulatory initiatives that unlock supply growth and proactively address risks Lead the development and execution of successfully scaled programs across discrete compliance verticals. Create an operational rhythm and manage cross-functional stakeholders, ensuring initiatives are on track, and maintaining project documentation Analyze strategic opportunities for risk reduction across jurisdictions, partner with Engineering, Data Science, Policy and Legal to align roadmaps, and drive successful execution with measurable impact Support strategic projects to drive efficiency and e

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 Airfam Products team empowers every Airbnb employee to access company information with ease, feel more connected to their colleagues, and experience a culture of belonging. We are the team behind Airbnb's internal digital headquarters — building the products that serve as the front door to company knowledge, community, and productivity for Airbnb's entire global workforce. The Difference You Will Make As the Product Manager for Airfam Products, you will own the strategic direction of Airbnb's employee-facing digital experience layer — a portfolio that touches every single employee every single day. You will set the product vision across One Airbnb, Chrome Tab, and Awedience, driving outcomes at the intersection of employee experience, AI-powered productivity, and organizational knowledge. This is a high-visibility, high-impact role. You will operate as the primary product voice for a domain that spans intranet, browser productivity, and internal events — partnering with EX, BizTech leadership, and platform teams to make deliberate, defensible decisions about what the team builds, when, and why. A Typical Day Define and maintain the product vision, strategy, and multi-horizon roadmap across One Airbnb, Chrome Tab, and Awedience Lead prioritization across a broad inbound request landscape, making clear, well-reasoned calls on what to build and what to decline Collaborate with engineering, design, and data science to ship high-quality features that improve employee productivity and connection Build alignment across cross-functional stakeholders including EX, Ground Control, Content

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 Airbnb ACC Enterprise Ops team is a dynamic business unit dedicated to delivering safe, quality stays and exceptional experiences for travelers worldwide. It helps increase supply effectiveness, utilization, and impact using people-powered operations. The Difference You Will Make: The Supervisor – Luxe Operations is responsible for leading a team of Luxe Operations Specialists to deliver a consistently high standard of service across the Luxe host lifecycle. This role blends people leadership, operational oversight, and stakeholder partnership to ensure that both host experience and business outcomes meet the expectations of a premium segment. The supervisor acts as a coach, decision-maker, and escalation point, while also contributing to process improvement and strategic initiatives. A Typical Day: Operational Execution & Business Ownership Oversee the end-to-end Luxe host journey - from onboarding to offboarding. Ensure consistent application of Luxe quality standards across property evaluations, listing audits, and amenity assessments. Act as the primary escalation point for complex or sensitive host situations, including quality concerns, enforcement actions, and appeals. Review and approve high-impact decisions such as listing suspensions, removals, or significant goodwill gestures. Maintain strong oversight of daily workflows, ensuring effective prioritisation, SLA adherence, and accurate execution of SOPs.. Team Leadership & Development Lead, coach, and develop a team of Specialists/Senior Specialists, ensuring performance goals are consistently met at both

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

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 Job: Airbnb Payments team allows any two people in the world to frictionlessly exchange money with easy to use payments services. It is a core strategy to fulfill Airbnb's belongs anywhere mission. We are building a world-class payments platform that moves billions of dollars, in 191 countries, with 75 currencies, through a complex ecosystem of payments partners. We build and maintain our own in-house global payments platform because no solution exists with the global reach needed. As the platform grows we'll be adding new payment partners, global licenses, compliance and regulation controls, and building new payment experiences for our guests and hosts. Airbnb's business grows rapidly year over year, and so does Airbnb Payments' processing volume. Payments Compliance is an essential part of the Payments organization. Without it, Airbnb can be subject to fines and even forbidden from conducting business in certain markets. As a Senior Staff Engineer and Technical Lead for the Payments Compliance organization, you would own the technical vision and architectural direction across the full Compliance engineering landscape — spanning Policy Enforcement, Identity, Screening, Auditing, and Compliance Experience. You will ensure our compliance systems are cohesive, scalable, and aligned with broader company priorities as we navigate an increasingly complex global regulatory environment. The Role: We are looking for a seasoned technical leader who can operate at the intersection of deep systems expertise and organizational influence. As a Senior Staff Engineer, you will serve as the connective tissue across Complia

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 Quality Engineering team helps Airbnb build high-quality software efficiently. We enable Airbnb engineers to build highly testable systems by building and using tools leveraging AI. We own and continuously improve product test cases, automation coverage, test automation tools, environments, and frameworks. We navigate Airbnb’s massive codebase, identifying weak spots, and help design and implement testable fault-tolerant systems. The Difference You Will Make: Be a leader in Airbnb, leveraging AI to redefine and accelerate Quality Engineering As a Senior Automation Engineer, you will help us meet this challenge by building and maintaining automation coverage for features and releases. You will work directly with the product engineering team to develop and maintain our test tools, write and test product code, participate in design reviews to architect testable systems, and guide designs and code to enhance modularity and testability. You are eager to understand complex systems top to bottom and thrive working across technologies and codebases. In addition, you excel at working through ambiguity, concept validation, and implementing best-in-class solutions. As a global company, our mission is to develop and maintain the necessary quality engineering processes that scale to meet the needs of both our external customers and internal teams. We strive to ensure that our product and support workflows deliver a seamless experience for guests, hosts, and support agents. A Typical Day: Leverage AI and tooling to lead the implementation of a test automation strategy,

Discord has a highly engaged community of millions of daily active users who use the platform for many different reasons, but there’s one thing that nearly everyone does: play video games. Discord plays a uniquely important role in the future of gaming, and we are focused on making it easier and more fun for people to hang out before, during, and after playing games. Discord's Internal Audit team exists to demonstrate effective risk management, process optimization, and adherence to relevant regulations — through a mix of independent assurance and advisory work that helps teams strengthen our overall control environment. This Technology Risk Audit Manager role owns the technical side of that mission — IT SOX/ITGC, system controls, and domains centered around consumer trust — that protect hundreds of millions of our users worldwide. You'll have the opportunity to help build our internal audit function from the ground up: shaping the frameworks and processes with an AI-native approach from day one, rather than bolting AI on after the fact. Your first few months will focus on learning Discord's financial-reporting systems landscape, understanding the company's GRC program structure, and evaluating AI-powered testing solutions — setting the foundation for a function that's built to scale as Discord grows toward enterprise readiness. This person will report to the Vice President of Internal Audit. What You'll Be Doing Lead IT SOX/ITGC strategy and continuous improvement across financial-reporting-relevant systems Extend risk and controls assessment and assurance into consumer trust domains such as privacy, security, and trust & safety Partner with the Engineering organization to ensure proper access controls, segregation of duties, change management, and CI/CD integrity are in place Guide control design through system implementations, migrations, and platform changes Manage teams and projects related to IT controls and technical audits, including external contractors

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 Ads Platform team builds the AI-powered growth engine behind Airbnb's paid marketing across Google, Meta, and the broader advertising ecosystem. We build the platform and intelligent systems that power paid campaigns — from creative to optimization to audience — at scale across every channel, with a strong commitment to brand safety, quality, and human oversight. Our ambition is bold: to build increasingly autonomous, AI-driven marketing systems that grow Airbnb's business. We sit at the intersection of engineering, marketing, and AI. You'll partner closely with Marketing, Product, and Design, work alongside Airbnb's ML/AI and data platform teams, and integrate deeply with the core product to turn a rich understanding of the customer journey into differentiated, high-performing paid experiences. The Difference You Will Make: As a Staff Software Engineer on the Ads Platform team, you will lead the technical strategy and hands-on execution of Airbnb's next-generation, AI-powered Growth Engine for paid channels (Google, Meta, and beyond). You will architect systems that autonomously manage the full lifecycle of paid campaigns — creative generation and rotation, bidding and budget optimization, audience management, and feed intelligence — at scale. Success looks like measurable gains in marketing efficiency (ROAS/CAC) and campaign velocity as we advance the platform along its AI-assisted → agentic → autonomous maturity curve, with the quality, brand safety, and human-in-the-loop controls that let us operate autonomously with confidence. A Typical Day: Set technical direction f

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: We connect Airbnb’s community with the right information, in the right place, at the right time. We tailor Messaging & Notifications so hosts on Airbnb can streamline their operations, and travelers get just the information they need to enjoy their stay worry-free. Additionally, we are building new connections within our community to help enrich the experience of hosting & traveling on Airbnb: easing the process of hosting, and adding meaning to our guest’s trips. The Difference You Will Make: We believe our current customer experiences in these domains are only scratching the surface of the innovations that are possible, and that science is at the heart of delivering a step-function change for our Guest and and Host on Airbnb. You will architect and implement advanced machine learning solutions—including recommendation engines, ranking systems, intent detection models, and the integration of intelligence into existing platforms. Additionally, you’ll lead efforts to harness the power of Large Language Models (LLMs) to create transformative AI experiences. Many of the initiatives you’ll tackle are in their early conceptual stages. You will have the opportunity to shape these ideas from inception to production, turning visionary concepts into impactful realities. You will be leading ML, Data and Product engineers to drive ML applications. A core focus of your work will be spearheading Machine Learning applications in Messaging and Notification—a high-impact area with significant potential to enhance guest and host experiences at Airbnb. A Ty

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 Host Pricing & Availability team builds the platform and tools that empower hosts to manage their business effectively. We help Airbnb hosts set competitive prices by providing market intelligence, comparable listing data, and demand signals. Additionally, we build advanced tools for seamless calendar management. As a critical component of Airbnb's business and a pillar of trust within our host community, we partner with the Search, Listings, Tax, and Payments teams to ensure accuracy and consistency across our pricing systems. The Difference You Will Make As a Staff Engineer on the Host Pricing and Availability team, you will drive the technical strategy and delivery of Airbnb's pricing product roadmap. You will collaborate cross-functionally with Product, Design, and Data Science to architect scalable solutions with clear domain boundaries, while continuously enhancing the performance, efficiency, and impact of our end-to-end architecture. A Typical Day Architect and lead the technical strategy for our pricing and availability backend systems, ensuring APIs, services, and data pipelines are robust today and evolve alongside business needs. Lead the development and optimization of Airbnb’s core pricing and availability products. Collaborate with product engineers and cross-functional partners to develop new host pricing functionality and calendar management tools. Contribute to the long-term backend system architecture within the Host Pricing organization. Champion engineering excellence by establishing architectural standards and mentoring senior engineers to elevate the o

Discord has a highly engaged community of millions of daily active users who use the platform for many different reasons, but there’s one thing that nearly everyone does: play video games. Discord plays a uniquely important role in the future of gaming, and we are focused on making it easier and more fun for people to hang out before, during, and after playing games. Discord empowers people to create spaces where they can find a sense of belonging in their lives. Millions of people trust Discord to keep their communications secure, private, and out of the hands of evildoers, so security and privacy are necessary to Discord's success. We are looking for a Senior Software Engineer to join our Application Security team and protect Discord’s users where it matters most, their accounts. If you are an engineer with a wealth of experience making the secure way the easy way, a deep sense of curiosity, and an endless desire to improve Discord, read on! What you'll do Join an engineering team designing and implementing full-stack, user-facing security solutions that protect hundreds of millions of Discord users. Lead full-stack work to strengthen session security and authentication for Discord’s users. Improve, operate, and maintain security-critical authentication services, owning their correctness and security. Partner with Product teams to drive adoption of stronger authentication and to ship user-facing account security tools. Identify and design solutions for emerging threats to user account security. Research and implement new security capabilities for the Discord platform, staying current on the authentication and session security landscape. Build security controls and tools that emphasize self-service, automation, and performance to help identify and mitigate account security flaws. Who you are You have 5+ years of experience securing production applications. You have 3+ years of experience programming in at least one general-purpose programming language (e.g., Python

Discord has a highly engaged community of millions of daily active users who use the platform for many different reasons, but there’s one thing that nearly everyone does: play video games. Discord plays a uniquely important role in the future of gaming, and we are focused on making it easier and more fun for people to hang out before, during, and after playing games. Discord is looking for a seasoned technical leader to join our Data team as a Staff Data Engineer. You will drive technical vision and strategy for our analytical data infrastructure which facilitates the transformation and semantic layer that powers clean, tested, well-documented datasets that the company can trust and self-serve from. The data your team builds won't just inform internal decisions, it will underpin the metrics we share with investors, partners, and the public, requiring exceptional rigor, auditability, and precision. This role works closely with Data Governance, Data Science, Product, Finance, and Engineering teams. This role reports to the Director of Data Engineering. What You'll Be Doing Define technical strategy and architectural direction for analytics data infrastructure, building and maintaining enterprise-scale curated datasets and data models Own the design and implementation of data governance programs end to end, by partnering with stakeholders and translating policy requirements into flexible and configurable infrastructure in partnership with Data Platform Engineering. Design and build sophisticated data abstractions and analytical frameworks using SQL, Python, and modern data stack technologies Develop data quality frameworks, monitoring, anomaly detection, and alerting at massive scale, with governance, lineage tracking, and change management rigor appropriate for externally reported numbers Drive adoption of consistent data modeling patterns, naming conventions, documentation norms, and metric governance standards across the data organization Lead cross-functional

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 Host Pricing & Settings team builds the platform and tools that help hosts run their business — with pricing strategies informed by market intelligence, comparable listings, and demand signals. We partner with Search, Listings, Tax, and Payments to ensure our guidance is accurate, timely, and trusted. Behind every pricing recommendation is a sophisticated ML system undergoing a fundamental rearchitecture. Our north star: a serving infrastructure where training, inference, and evaluation are consistent by design — features from a centralized store, model composition in one place, and backfills available on demand so data scientists and MLEs can evaluate candidates in days, not weeks. The Difference You Will Make: As a senior technical individual contributor, you will own the technical strategy for the full Modeling → ML Serving → API interface across the Host Pricing org. Although you will be at one of our highest levels of seniority, all individual contributors at Airbnb are Software Engineers — you are expected to be hands-on and contribute code. Define the architecture and contracts governing how models move from development to production — feature store design, model schema management, online/offline inference consistency, and multi-version support. Lead the buildout of a unified serving stack that eliminates per-model one-off implementations and gives data scientists a turnkey path from training to production. Architect backfill and evaluation infrastructure so the modeling team can simulate production inference over historical data in days, not weeks. Establish do