Senior Software Developer

Join Duolingo as a Senior Software Engineer specializing in chess-related projects. In this pivotal role, you'll contribute to innovative software solutions that enhance our chess offerings and engage millions of users worldwide.

We Are Dream seeks an Elementary Chess Instructor for Summer 2026 in the South Bronx. This seasonal position centers on introducing chess to elementary students and supporting their growth in critical thinking and problem-solving through the game. Key responsibilities Teach foundational chess concepts to elementary-aged children in classroom or group settings Foster a welcoming, supportive atmosphere that encourages students to participate and learn Lead chess activities and lessons designed to build confidence and spark interest What we look for Enthusiasm for teaching and connecting with children Clear, approachable communication of chess ideas Dedication to nurturing curiosity and a love of learning This role is based in the South Bronx, New York, and will run during Summer 2026.

Ignite Your Passion for Education!Are you prepared to shape the future of education? At Zeta, we are committed to achieving an exceptional blend of academic excellence and social-emotional growth for our students. We believe that every child deserves a world-class education while nurturing their love for learning. Our mission is to transform public education in New York City and beyond, and we stand firm in our goals.We currently manage several elementary and middle schools across the Bronx, Upper Manhattan, and Queens, and we are expanding by launching 1-2 new schools each year, ensuring that children in every community access top-notch, equitable education. As part of this growth, we are excited to welcome our inaugural Zeta High School class of 9th graders in the 2026-27 school year, marking a significant milestone in our journey to provide a comprehensive PreK-12 educational pathway. Join our dynamic team and become a catalyst for change in the lives of our students.Achieve Remarkable OutcomesTo fulfill our vision, we seek talented Chess Teachers who hold a Bachelor’s degree, possess 1-2+ years of teaching experience, and demonstrate a mastery of Chess (with a rating of 1600 and above).

Join our dynamic team as an Afterschool Chess Instructor, where your passion for chess and teaching can truly shine! This role provides an incredible opportunity to engage with middle school students, fostering critical thinking, strategic skills, and a genuine love for chess.Key Responsibilities: - Inspire and motivate students during chess lessons and transitions. - Collaborate with staff to monitor student progress and uphold behavioral expectations. - Communicate effectively with management regarding student and program-related matters. - Utilize our digital platforms for administrative tasks, including attendance tracking and incident reporting. - Maintain organization of chess materials and supplies to ensure a smooth learning environment. - Create a vibrant, inclusive atmosphere by consistently delivering positive and enthusiastic instruction. - Organize local competitions for students throughout the NYC area.

Role overview The Senior Software Engineer II for Developer Experience at Carta will design and build tools and systems that support engineering teams. The focus is on making workflows more efficient and enabling teams to deliver high-quality products. What you will do Collaborate with cross-functional groups to identify and address challenges in developer workflows Develop and enhance tools that make software development more scalable and intuitive Use software engineering skills to create solutions that improve daily life for engineers Support systems that help Carta teams deliver products aligned with client needs Location This role is based in San Francisco, CA; Santa Clara, CA; or New York, NY.

About FinFin is a cutting-edge payments platform designed for high-value, instantaneous global transactions. As a Series A company supported by prominent investors like Sequoia and Circle, we leverage stablecoins to empower users and businesses to transfer millions in seconds—whether to fellow Fin users, directly into bank accounts, or through crypto networks. By merging the speed of cryptocurrency with the trustworthiness of traditional finance, Fin redefines the way money moves around the globe.About the RoleWe are on the lookout for a Senior Software Development Engineer in Test to join our pioneering team and shape the future of financial transactions at Fin. Collaborating closely with the CEO, CTO, and a select group of experienced engineers, you will be instrumental in designing the automated testing infrastructure, CI/CD pipelines, and quality benchmarks that ensure Fin can process millions of transactions securely and efficiently.This role offers significant autonomy, allowing you to manage projects from inception to deployment, with your contributions quickly reaching real users. If you are passionate about creating seamless products atop complex systems and excited to transform global payments, we want to hear from you!We respect your time: our hiring process emphasizes practical system design and architectural discussions rather than LeetCode exercises or unpaid take-home tasks.What You Will DoDevelop and oversee the end-to-end testing framework for our React Native mobile application and Node.js backend utilizing tools such as Maestro, Detox, and Playwright.Establish test environments that replicate high latency, outdated devices, and offline recovery scenarios to guarantee Fin functions effectively on slow internet and varied device types.Utilize AI tools to swiftly generate test cases and edge scenarios.Enhance deployment pipelines (GitHub Actions) to ensure rapid test execution and automatic blocking of faulty builds.Create scalable, high-performance services that facilitate real money transfers with exceptional reliability and observability.Uphold a high standard for code quality through clean abstractions, comprehensive tests, and meticulous code reviews.What You Need to SucceedExtensive experience with TypeScript and Node.js. Our tech stack predominantly uses TypeScript with some areas utilizing Rust.Proficiency in developing automated tests and ensuring high-quality software delivery.Strong analytical and problem-solving skills.Ability to work collaboratively in a fast-paced environment.

At Squarespace, we are transforming the way individuals realize their visions online. Our Research and Development Engineering teams are central to this mission, crafting seamless and powerful experiences that our customers depend on daily. As a Senior Backend Engineer, you will join a collaborative and high-impact team dedicated to developing scalable and reliable systems behind some of the web's most intuitive tools. Whether you bring three years or two decades of experience, if you are driven by a passion for designing elegant solutions, we invite you to connect with us. This is a hybrid position, requiring three days per week in our NYC office, reporting directly to the Engineering Team Manager. We are actively hiring across multiple significant R&D teams. Based on your expertise and interests, you may have the opportunity to join one of the following: Identity and Access Management (IAM) - responsible for developing and maintaining the fundamental systems that ensure secure access across our platform for both customers and internal teams, focusing on core functionalities such as authentication, authorization, and session management. Communications Platform - provides tools and services that facilitate effortless communication between our product teams and customers at scale. Our goal is to create user-friendly and impactful platforms. This role is high-visibility and high-impact as our work is utilized by a majority of product teams. Your Responsibilities Include: Developing scalable backend services using Java and related technologies. Writing clean, efficient code that supports high-traffic, production-ready systems. Contributing to design decisions and taking part in architectural discussions. Collaborating with engineers, designers, and product managers. Creating features from initial concept through to implementation and launch.

About Us:At Camber, we are dedicated to revolutionizing healthcare technology, enhancing both the quality and accessibility of care. Our mission is to automate and optimize tedious processes to empower clinicians to concentrate on what matters most: delivering exceptional patient care. To delve deeper into our vision, please visit our write-up: What is Camber?Backed by an impressive $50M in funding from esteemed investors such as a16z, Craft Ventures, YCombinator, and Manresa, we are on a mission to enhance healthcare accessibility. For further insights, check out: Announcing CamberOur Culture:At Camber, we believe that transforming behavioral health starts with our internal culture. We aim not only to innovate in healthcare but also to redefine how startups operate. Here’s how we do it:1) We are passionate about improving healthcare accessibility and quality, and everyone at Camber is committed to supporting both clinicians and patients.2) We embrace humor, recognizing that while healthcare challenges are significant, laughter is essential for resilience.Your Role:We are searching for talented engineers who are eager to make healthcare more accessible and affordable. In this pivotal role, you will engage with our entire technology stack, initiate and lead innovative projects, and help shape our technical and product strategy.Key Responsibilities:Project Leadership: Take projects from conception to execution, identifying challenges, fostering collaboration, and implementing solutions independently.Code Excellence: Craft code that is not only functional but also readable, maintainable, and scalable, as our engineers strive for high standards.Cultural Development: Contribute to fostering a vibrant team culture, as we believe a thriving engineering team is crucial for creating exceptional products.Desired Qualifications:Experience: Minimum of 5 years working on production systems.Mission-Driven Attitude: A strong desire to empower clinicians with products that allow them to focus on care rather than administrative tasks.Customer Understanding: A keen awareness of our customers’ challenges is essential for developing products that truly meet their needs.Inquisitiveness: We value engineers who possess a natural curiosity and a drive for continuous learning and improvement.

At Justworks, we foster a collaborative and laid-back work environment where innovation thrives. As a Senior Software Engineer, you will take ownership of significant projects, work alongside talented teams, and contribute to solutions that enhance customer experiences. Your role will focus on building and maintaining robust applications while ensuring the security and efficiency of our systems.

Requisition ID: P-1606 About Databricks Databricks builds and manages a leading data and AI infrastructure platform. The company’s mission centers on helping data teams solve tough challenges, whether that means improving transportation or accelerating breakthroughs in medicine. Founded by engineers with a customer-first approach, Databricks tackles technical problems at every layer, from user interface design to scaling services across millions of virtual machines. Role Overview The Senior Software Engineer - AI Product Development position is based in the New York City engineering office. This role joins a small, agile team focused on building new products from the ground up. The team’s goal: use Databricks’ data and AI strengths to create specialized AI applications for both technical and business users. Expect a true 0-to-1 product environment, blending startup energy with the resources of an established technology leader. What You Will Do Design and build innovative interfaces for GenAI agents, making complex workflows easier while maintaining transparency and human oversight. Work closely with product managers, designers, and fellow engineers to deliver user-friendly, scalable, and extensible solutions that support business and user growth. Contribute hands-on as a full-stack developer, shaping dynamic and user-focused experiences. Develop features that enable product-led growth, including smooth onboarding and sharing capabilities. Help define the future of agent-based applications at Databricks by collaborating with cross-functional teams. Set and uphold best practices for building impactful AI products, both within your team and across the company.

NBCUniversal Media, LLC seeks a Senior Software Engineer based in New York. This position centers on designing and building new software solutions that support the company’s technology initiatives. Projects offer the chance to work alongside seasoned engineers and contribute to meaningful technical outcomes. Main responsibilities Design, develop, and implement software applications Collaborate with other engineers and cross-functional teams Take part in technical decision-making and project planning Team culture Collaboration and creative problem-solving are core values for this group. Team members share ideas openly, and everyone’s input shapes the direction of fast-moving projects.

Join a Trailblazer in Conversation IntelligenceAt Rilla, we are pioneering the future of conversation intelligence software tailored for offline commerce. Our innovative platform meticulously records, analyzes, and indexes conversations, delivering exceptional insights that empower critical physical businesses—the backbone of our economy.Our mission? To equip traditional industries with cutting-edge technologies that have propelled the most innovative companies of the 21st century. This vision has catapulted Rilla into one of the fastest-growing companies in history, achieving a remarkable growth trajectory from $0 to $40M in just 3.5 years, maintaining a 15% month-on-month growth rate, boasting a net revenue retention above 170%, an NPS that surpasses that of the iPhone, and achieving profitability.Your RoleAs a Senior Software Engineer at Rilla, you will be at the forefront of our engineering efforts, architecting and deploying features across the entire stack with unparalleled speed. Daily, you will develop end-to-end workflows, transition them into production, and tackle real-world challenges at a grand scale.In this pivotal role, you will set the standard for code quality and decision-making, fostering a world-class engineering culture as we scale. As Rilla expands tenfold, your responsibilities and influence will grow correspondingly, as you build the tools, frameworks, and platforms that empower both you and Rilla to thrive exponentially.Are you someone who thrives on obsession? Do you dream of becoming a founder or a leader, harnessing AI to revolutionize the physical world? We believe that Rilla is the ideal environment for you to learn and grow alongside the best peers in the industry.Technologies We LeverageA variety of languages and frameworks such as React, React Native, TypeScript, and Python.Open-source technologies including Node.js, PostgreSQL, Turborepo, Lodash, and Zod.Standard industry build tools like GitHub Actions, Terraform, and Spacelift.Our Core ValuesAn infinite learner who is perpetually curious.A customer-centric individual who prioritizes truly solving customer pain points over superficial metrics.A team player with a winning mindset, embracing accountability, collaborative learning, and constructive feedback.Deep empathy for our customers, recognizing that they operate in the real world and require understanding to devise effective solutions.Fearless in the face of failure, viewing risks as opportunities for growth and improvement.

Join Palantir Technologies as a Senior Backend Software Engineer in our Application Development team, where you will leverage modern technologies to build scalable and robust applications that solve complex challenges. You will collaborate with cross-functional teams to innovate and enhance our backend systems, ensuring optimal performance and reliability.

At Bubble, our mission is clear: we aim to empower everyone to create software. We believe that anyone with a transformative idea should have the means to bring it to life. Our AI-driven visual development platform allows individuals, from first-time entrepreneurs to established enterprise teams, to transform ideas into fully functional, scalable applications across web, iOS, and Android—all without the need for coding or managing complex workflows.As the sole full-stack, cross-device no-code platform, Bubble has garnered over 5 million users across more than 100 countries, breaking down barriers to entrepreneurship and innovation worldwide.Our Achievements:Our platform is thriving, with entire VC-backed companies being built solely using Bubble. After successfully finding product-market fit and eight years of bootstrapping, we secured a $100 million Series A funding round, establishing ourselves as one of the fastest-growing companies within the New York tech ecosystem. The potential of Bubble is demonstrated by our community—individuals are not just launching products; they are creating viable businesses. For instance, Mailead turned a $10k investment in a Bubble product into a $2M valuation, while Faceless.video achieved over $1M in annual recurring revenue within a year.About the Platform Team:Our Platform team is dedicated to enhancing our scaling, reliability, and enablement capabilities as we aim to double our customer base in the coming years. Our responsibilities encompass both scalable infrastructure and our core backend systems. Success in this role means delivering timely capacity, executing workloads rapidly, and guaranteeing data scalability across diverse applications while managing costs and addressing implementation and infrastructure inefficiencies.About the Role:Join a small, elite team tackling challenges faced by the largest cloud providers. This position is an opportunity to be at the forefront of a platform that is revolutionizing the traditional engineering stack globally. Additionally, you will contribute to fostering an inclusive, effective, and collaborative engineering culture. This role requires after-hours and on-call availability.

Join our innovative team at Addepar as a Senior Software Engineer. You will play a crucial role in developing cutting-edge financial software solutions that empower our clients to make informed investment decisions. Collaborate with talented engineers and product managers to design, implement, and optimize features that enhance our platform's performance and user experience.

The Atlas Growth team is a dedicated group of cloud engineers committed to supporting our customers throughout their application development journey. We handle everything from cluster configuration and data modeling to load testing and managing production workloads at scale. Utilizing our proprietary experiments platform, we validate new features rapidly, ensuring that we only release enhancements that benefit our users. Our engineers collaborate in cross-functional squads consisting of product, design, analytics, and research teams, all focused on achieving specific performance metrics such as retention.Atlas Growth 2 is responsible for creating customer-facing features within the Atlas platform and works alongside other teams within the Growth engineering division. Recent initiatives have included developing an AI Chatbot for cluster creation, implementing a recommendation system for improved database performance, and designing a pricing page optimized for conversion rates.This role is based in our New York City office and supports both our Flexible and In-Office working models.

Join Our Growth Team!Seize the opportunity to be part of Enigmaio's dynamic Growth Team as we innovate sales and marketing solutions tailored for small businesses. We are in search of a seasoned Software Engineer to craft and enhance data products and systems that have a direct influence on our clients, driving both their success and ours. Your contributions will shape decisions for organizations employing a significant portion of the U.S. workforce, delivering immense value.Your RoleAs a vital member of our Growth Team, you will:Design and implement data products that address key customer challenges while creating scalable, high-quality systems for engaging with our data.Collaborate with software engineers, data scientists, and product managers to create a seamless customer journey from discovery to purchasing.Analyze extensive datasets to extract insights and build robust, maintainable data solutions.Develop scalable systems deployed in cloud environments.Take ownership of architectural and design decisions, ensuring compelling customer experiences with minimized operational costs.Your ResponsibilitiesAct with decisiveness, delivering value in the short, medium, and long term.Engage actively with product teams to resolve customer issues in a systematic way.Utilize a principled, metrics-driven approach to tackle complex data challenges, showcasing excellence in analytics and engineering.Foster a transparent, collaborative environment, embracing constructive feedback and diverse perspectives.Exhibit a proactive attitude and thrive in a collaborative, cross-functional team essential to our company’s success.Eagerly assume responsibility for architectural and design decisions while actively participating in implementation.Why This Role Excites YouImpact: Build innovative data-driven solutions that effectively resolve high-value customer issues.Technical Challenge: Confront intricate data and engineering challenges, balancing customer impact with reliability, scalability, and data quality.Multifaceted Role: Engage in diverse projects that contribute significantly to our growth and success.

Join The New York Times as a Senior Software Engineer within our Developer Platforms team, where you'll enhance the developer experience with GenAI-powered tools. Collaborating with over 60 product teams, you'll design and implement solutions that empower our engineers to create impactful journalism across various mediums. This hybrid role offers the flexibility to work from home up to three days a week while contributing to a mission-driven organization dedicated to truth and understanding in journalism.

Join DeepLDeepL is at the forefront of AI innovation, dedicated to creating secure and intelligent solutions that tackle complex business challenges. Our Language AI platform is trusted by over 200,000 businesses and millions of users in 228 markets worldwide, delivering human-like translations, enhanced writing tools, and real-time voice translation.Founded in 2017 by CEO Jarek Kutylowski, DeepL has quickly grown to over 1,000 dedicated employees, backed by prestigious investors including Benchmark, IVP, and Index Ventures. We aim to be the global leader in reliable AI technology, crafting products that enhance communication and foster meaningful connections.If you're looking to make a significant impact in the field of AI and advance your career in a dynamic, purpose-driven environment, then DeepL is the perfect fit for you.Why Choose DeepL?At DeepL, we combine cutting-edge AI technology with a culture that promotes innovation and personal growth. Our team of researchers, innovators, and creators is united by a mission to unlock human potential by making work simpler, smarter, and more connected.Our employees consistently share positive experiences working at DeepL, which is a testament to our impactful technology and the supportive culture of trust and curiosity.Join us at DeepL and become part of a team committed to innovation, personal development, and well-being. Explore more about life at DeepL on our LinkedIn, Instagram, and Blog.About Our TeamDeepL is more than just a translation service; we are developing the Operating System for Global Communication. We uniquely build our entire technology stack in-house—from training next-generation LLMs on our own NVIDIA DGX SuperPODs to delivering real-time Language AI to over 100 million users and 200,000 businesses around the globe.