Senior Backend Software Engineer at Astranis | San Francisco

Astranis is revolutionizing satellite technology by building advanced satellites that operate in high orbits, enhancing humanity's exploration of the solar system. Our satellites currently deliver dedicated and secure networks to distinguished clients worldwide, including major enterprises, sovereign governments, and the US military. With five satellites already in orbit and additional launches on the horizon, Astranis is proudly managing a commercial contract backlog exceeding $1 billion.As the preferred partner for satellite communications, we cater to clients with demanding requirements for uptime, data security, network visibility, and tailored solutions. Backed by over $750 million from leading investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 engineers and entrepreneurs operates from our expansive 153,000 sq. ft. headquarters located in Northern California.Full Stack EngineerJoin our Network Software team as a Full Stack Engineer, where you will play a pivotal role in designing and implementing the software that enables the creation, management, and optimization of Satellite and ground Networks. The tools you develop will empower our customers to monitor and control satellite performance while assisting our internal teams in planning and enhancing our network capabilities.This position will support both commercial and US Government initiatives.Role ResponsibilitiesLead the design, development, and deployment of software solutions for Satellite and network management.Oversee backend and UI development for internal tools supporting test infrastructure, mission control, and business operations.Create user-friendly web-based interfaces for telemetry dashboards, test orchestration, command execution, and workflow monitoring.Automate manual processes to boost operational efficiency across engineering, network, and satellite operations.Collaborate closely with mission operations teams to develop software that enhances the design, construction, and management of Satellites and Networks.Design robust, high-performance software capable of sending commands to space.Work with cross-functional teams to define software requirements, architectures, and systems design.QualificationsBachelor’s degree in Computer Science or a related technical discipline.4+ years of full stack development experience in a professional setting.Strong proficiency in React (JavaScript/TypeScript) and Python.Experience with cloud technologies and deployment processes.Familiarity with Agile methodologies and DevOps practices.Excellent problem-solving skills and attention to detail.

Astranis is at the forefront of space innovation, crafting advanced satellites for high orbits that extend humanity's capabilities within our solar system. Our satellites are designed to deliver dedicated and secure networks to highly sophisticated clients globally, including large enterprises, sovereign governments, and the US military. With five satellites currently in orbit and more on the horizon, we are addressing a backlog exceeding $1 billion in commercial contracts.We are recognized as the leading satellite communications partner for clients demanding exceptional uptime, data security, network visibility, and tailored solutions. Having raised over $750 million from top-tier investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team comprises 450 skilled engineers and entrepreneurs. Our headquarters, spanning 153,000 sq. ft., is located in Northern California, USA, where we design, build, and operate our satellites.Senior Full Stack Engineer - Network SoftwareAs a Senior Full Stack Engineer specializing in Network Software, you will play a pivotal role in designing and implementing the software that powers our satellite and ground networks. The tools you develop will be essential for our customers to monitor satellite performance and for our internal teams to plan, design, and optimize our satellite networks and their capabilities.This position will significantly contribute to both commercial projects and US Government initiatives.RoleLead the architecture, development, and implementation of software for satellite and network management.Oversee backend and UI development for internal tools related to test infrastructure, mission control, and business operations.Create user-friendly web-based interfaces for telemetry dashboards, test orchestration, command execution, and workflow monitoring.Automate manual processes to enhance operational efficiency across engineering, network, and satellite operations.Collaborate closely with mission operations teams to create software that aids in the design, construction, and management of Satellites and Networks.Design high-performance, reliable, mission-critical software that transmits commands to space.Engage with multidisciplinary teams to define software requirements, architectures, and designs.RequirementsBachelor’s degree in Computer Science or a related technical field.7+ years of experience as a full stack developer in industry.Proficient in system-level architecture, software design, and implementation.

Join Astranis as a Senior Software Engineer, where you will play a pivotal role in designing and developing innovative software solutions that power our cutting-edge satellite technology. You will collaborate with cross-functional teams to implement robust systems, optimize performance, and drive our mission to provide internet access to underserved regions globally.

Astranis is revolutionizing space communications by constructing advanced satellites for high orbits, enabling humanity to expand its reach into the solar system. Our satellites currently deliver dedicated, secure networks to a diverse range of sophisticated clients globally, including large corporations, government entities, and the US military. With five satellites successfully in orbit and many additional launches on the horizon, we are addressing a robust backlog of over $1 billion in commercial contracts.As the preferred satellite communications partner for customers with stringent uptime, data security, network visibility, and customization requirements, Astranis has successfully secured over $750 million in funding from top investors, including Andreessen Horowitz, Blackrock, and Fidelity. Our team of 450 engineers and entrepreneurs works out of our impressive 153,000 sq. ft. headquarters in Northern California, USA, where we design, build, and operate our satellites.Backend Software EngineerBefore a satellite can be launched into orbit, it undergoes a comprehensive process that includes financing, procurement, manufacturing, and testing. As a Backend Software Engineer, you will play a pivotal role in constructing the software systems that facilitate spacecraft development, testing, and manufacturing, ensuring seamless integration with our supply chain. This high-impact role encompasses multiple domains—from procurement and manufacturing to cloud services and data pipelines—contributing significantly to efficient engineering workflows, business intelligence, and scalable flight operations.In this role, you will collaborate closely with cross-functional teams, including hardware engineers, manufacturing specialists, operations personnel, and satellite flight control teams, to develop internal tools that streamline processes and accelerate development. You will be responsible for owning and delivering scalable systems that enable us to efficiently build, test, and launch satellites.This position supports both commercial and US Government satellite programs.

Astranis is at the forefront of revolutionizing satellite technology, developing advanced satellites for high orbits that expand humanity’s reach into the solar system. Our satellites deliver dedicated, secure networks to sophisticated clients globally, including large enterprises, sovereign governments, and the US military. With five satellites successfully on orbit and many more set for imminent launch, we are addressing a robust backlog of over $1 billion in commercial contracts.Astranis is the go-to satellite communications partner for clients demanding exceptional uptime, data security, network visibility, and tailored solutions. Backed by over $750 million from premier investors, including Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 skilled engineers and entrepreneurs operates from our expansive 153,000 sq. ft. headquarters in Northern California.Flight Software Engineer As a Flight Software Engineer, you will play a crucial role in the development, execution, and implementation of flight software that commands and monitors our spacecraft. You will collaborate with cross-functional teams to ensure seamless integration of the software with hardware systems.

Astranis is redefining the boundaries of space communication by designing and launching cutting-edge satellites for high orbits, thereby extending humanity's presence in the solar system. Our satellites deliver dedicated and secure networks to a diverse clientele, including large corporations, government entities, and the U.S. military. With five satellites already in orbit and numerous launches on the horizon, we are poised to fulfill a substantial backlog exceeding $1 billion in commercial contracts.Astranis is the go-to partner for satellite communications, meeting the stringent demands for uptime, data security, network visibility, and customization. Having raised over $750 million from leading investors such as Andreessen Horowitz, Blackrock, and Fidelity, we have a dynamic team of 450 engineers and entrepreneurs. Our operations are based out of a state-of-the-art 153,000 sq. ft. headquarters in Northern California.Position Overview: Backend Software EngineerJoin our Platform team as a Software Engineer, where you will design and develop services that autonomously manage satellites, monitor telemetry for anomalies, and provide real-time situational awareness, ensuring the safety and operational status of our fleet. You will also be responsible for building the core components and services that empower our entire software organization, enabling accelerated and reliable workflows across various teams.Your contributions will play a pivotal role in both our commercial and U.S. government initiatives.Key ResponsibilitiesDevelop high-performance, reliable, mission-critical software to send commands to space.Own features end-to-end, collaborating with backend and infrastructure teams.Work alongside multidisciplinary teams to define software requirements, architectures, and designs.Evaluate emerging technologies and advocate for innovations to enhance our systems.Mentor and support teammates, sharing knowledge to elevate our technical standards.

Join Condor Software as a Full-Stack Platform EngineerAt Condor, we are revolutionizing the financial infrastructure that supports clinical development. With billions invested annually in discovering and developing new therapies, we strive to connect clinical operations and finance into a cohesive system. By integrating real-time financial intelligence, we empower R&D and finance leaders with the tools they need to make informed, high-stakes decisions.We are an AI-driven, pharma-native infrastructure provider, scaling industry standards in collaboration with top-tier partners. Our platform facilitates prediction, control, and execution in the most complex R&D environments worldwide.The Importance of Your RoleHaving established ourselves as a trusted partner for enterprise teams, we are now focused on the challenging task of scaling our platform to meet increasing demands. As a rapidly growing company, backed by prominent investors like Felicis and 645 Ventures, this is a unique opportunity to contribute to the foundational infrastructure that will redefine how therapies reach patients.Your ResponsibilitiesAs a Full-Stack Platform Engineer, you will be pivotal in building and scaling the core platform that supports the financial intelligence infrastructure relied upon by leading biopharma companies. This role encompasses critical engineering tasks at the intersection of backend systems, cloud infrastructure, and intelligent automation, with a strong emphasis on reliability and scalability.Your primary focus will be on backend architecture, where you'll design and implement services that drive complex financial and operational workflows. You'll be instrumental in shaping data flow, workflow orchestration, and enabling emerging AI-driven capabilities. This role goes beyond simple integration; you'll be crafting robust primitives that support other teams as our product and customer base expand.Working as a core member of a cross-functional product team, you will closely collaborate with product managers, designers, quality engineers, and data specialists to transition features from concept to production. While backend expertise is crucial, you will also engage across the stack to ensure the platform's capabilities are effectively leveraged.

Astranis is at the forefront of satellite technology, designing and launching advanced satellites that push the boundaries of human exploration into the cosmos. Our spacecraft provide dedicated, secure networks for a diverse range of elite clientele, including large corporations, government entities, and the U.S. military. With five satellites successfully in orbit and an exciting pipeline of launches ahead, we are addressing a robust backlog of over $1 billion in commercial contracts.Astranis has emerged as the go-to partner for satellite communications, meeting the high standards of clients who demand exceptional uptime, data security, network visibility, and tailored solutions. Having secured over $750 million in funding from industry-leading investors such as Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 dedicated engineers and entrepreneurs is passionate about revolutionizing satellite technology from our expansive headquarters in Northern California.Mechanical EngineerAs a Mechanical Engineer at Astranis, you will play a pivotal role in the design, evaluation, testing, and assembly of spacecraft components and mechanical systems. A strong problem-solving aptitude, hands-on experience, and a passion for innovative design are essential. Experience with spacecraft, mechanisms, or composites is advantageous but not mandatory.ResponsibilitiesDesign, evaluate, procure, assemble, and test primary structures, bracketry, and mechanisms for Astranis spacecraft. This includes components made from both composite and metallic materials, utilizing various manufacturing processes.Develop specifications for components and systems, including load requirements, interfaces, and functional criteria.Conduct mechanical and thermal analysis for spacecraft systems to ensure optimal performance.Collaborate with team members to integrate components and systems into the spacecraft, while documenting and refining processes to enhance future builds.

Astranis is pioneering the development of advanced satellites for high orbits, enhancing humanity's capabilities within the solar system. Our satellites are at the forefront of providing dedicated and secure networks to a diverse clientele, including major enterprises, government agencies, and military organizations. With five satellites already in orbit and numerous launches planned, we are addressing a commercial contract backlog exceeding $1 billion.Astranis stands out as the preferred satellite communications partner for customers with stringent demands for uptime, data security, network visibility, and customization. Having secured over $750 million from some of the world's leading investors—ranging from Andreessen Horowitz to Blackrock and Fidelity—we are proud to employ a talented team of 450 engineers and entrepreneurs who design, build, and operate our satellites from our expansive 153,000 sq. ft. headquarters in Northern California, USA.Thermal EngineerAs a Thermal Engineer at Astranis, you will be instrumental in designing, evaluating, and testing innovative thermal solutions, encompassing everything from electronic components to complete spacecraft thermal vacuum tests. A robust problem-solving skill set and hands-on testing experience are essential. While familiarity with spacecraft or printed circuit board thermal management is advantageous, it is not mandatory.RoleAdvance designs through conceptual, preliminary, and detailed phases, utilizing practical passive and active thermal control techniques.Facilitate design trades that effectively balance performance margins, resources, risks, costs, and timelines.Conduct thermal analyses with varying fidelity levels on diverse hardware types, including propulsion components, batteries, high-powered electronics, RF components, mechanisms, and printed circuit boards (PCBs).Design, assess, procure, and test thermal solutions such as heaters, heat pipes, thermal interface materials, and surface coatings.Establish processes and procedures for integration and assembly to ensure adherence to thermal design specifications. Collaborate with the integration and test team, providing support for thermal hardware installation as needed.Plan and execute thermal vacuum testing and verification at both component and spacecraft levels.Assist in the recruitment, interviewing, and onboarding of new team members as our team continues to grow.

About HappyRobotHappyRobot is pioneering the AI-native operating system for the real economy—an innovative platform that seamlessly integrates intelligence with actionable outcomes. By harnessing real-time insights, specialized AI agents, and a coordinating intelligence, we empower enterprises to manage intricate, mission-critical operations with genuine autonomy.Our AI OS continuously accumulates knowledge, optimizes processes at every level, and adapts over time. We're initially focusing on supply chain and large-scale industrial operations, where resilience, speed, and ongoing enhancement are paramount—liberating humans to concentrate on strategic thinking, creativity, and other high-value pursuits.Discover more about our vision in our Manifesto. HappyRobot has successfully secured $62M in funding to date, including a recent $44M Series B round in September 2025. Our esteemed investors include Y Combinator (YC), Andreessen Horowitz (a16z), and Base10, who share our commitment to transforming enterprise operations. We are channeling this investment into assembling a world-class team—individuals with unwavering determination, exceptional problem-solving abilities, and a passion for pushing boundaries in a dynamic, high-pressure environment. If this resonates with you, we invite you to join us at HappyRobot.About The RoleAt HappyRobot, Full Stack Engineers take charge of significant components of the product and infrastructure from start to finish.We are seeking creators who thrive in uncertain environments, have a profound appreciation for their craft, and desire authentic ownership over their creations.

Astranis is at the forefront of satellite technology, designing and launching advanced satellites that reach high orbits, thereby extending humanity’s exploration of the solar system. Our satellites deliver dedicated and secure networks to a diverse clientele, including large corporations, government entities, and the US military. With five satellites already in orbit and several more scheduled for launch, we are addressing a commercial contract backlog exceeding $1 billion.Astranis has established itself as the go-to satellite communications partner for clients who demand high uptime, robust data security, network visibility, and tailored solutions. With over $750 million raised from top-tier investors like Andreessen Horowitz, Blackrock, and Fidelity, our team of 450 skilled engineers and entrepreneurs works diligently at our expansive 153,000 sq. ft. headquarters in Northern California.Senior Embedded Software EngineerAs a Senior Embedded Software Engineer on the Network Software team, you will play a critical role in shaping the architecture, high-level design, development, execution, and implementation of the flight software that commands and monitors our spacecraft. You will also have the opportunity to mentor junior engineers and collaborate across teams to ensure seamless integration with hardware.This position will support both commercial initiatives and US Government programs.RoleDevelop software for the Flight Computer and Earth Stations Hub for our satellites.Design firmware for control boards on the satellite and Earth Stations Hub.Enhance and deliver reliable software through requirements generation, continuous integration design, automated testing, and code reviews.Work collaboratively with multiple teams including Payload, Communications Ground Control, and Telemetry.Create software in C++ to interface with the Flight computer and custom hardware on the vehicle.Deliver complex projects through incremental development.Mentor junior engineers in best practices and technical skills.Requirements5-8+ years of software development experience with modern C++ or C.Familiarity with Software Development Methodologies and Design Patterns.Experience in Communication Protocols (TCP/IP, I2C, SPI).Strong communication and writing skills.A passion for space technology and innovation.

About Tacit Tacit is an early-stage deep tech startup based in San Francisco, focused on hardware that changes how people interact with computers. Backed by General Catalyst, Khosla Ventures, and Greylock Partners, the team brings experience from Stanford, BrainGate, Oculus, and Tesla. The company is committed to solving complex engineering problems to deliver new products that push the boundaries of human-computer interaction. Role Overview The Full-Stack Software Engineer will help turn ambitious ideas into real products, working across Tacit's software stack. This role involves taking features from initial concept through to deployment and shaping user experiences that support the company’s mission. What You Will Do Develop the internal product stack to improve workflows and prototypes across devices and companion clients. Build and expand internal applications for demos and data collection, supporting idea testing and user experience validation. Prototype new features for human-computer interaction, iterate with test users, and refine until the experience feels seamless. Design and run product experiments, including A/B tests and feedback loops, to quickly gather insights and guide product direction. Streamline data collection and participant experiences, including setup flows, session reliability, metadata capture, monitoring, and labeling. Develop demo features that showcase real-time sensing and inference in engaging, reliable ways. Find and implement integrations that improve team workflows and efficiency. Create and improve automated testing and release systems, such as CI/CD pipelines, smoke tests, and regression checks, to support frequent updates. Work closely with machine learning, hardware, and industrial design teams to define requirements, deliver results, troubleshoot, optimize, and ensure reliability. Qualifications Strong skills in Python (FastAPI, Pydantic; experience with pandas or numpy) and modern TypeScript/React. Experience building production backends (APIs, data models, reliability, observability) and delivering features for end users. History of shipping multiple products from start to finish.

At Siftstack, we are revolutionizing the development, testing, and operation of modern machines. Our innovative platform empowers engineers with real-time observability over high-frequency telemetry, effectively eliminating bottlenecks and facilitating faster, more dependable development.Founded by a team of experts from SpaceX, Google, and Palantir, Siftstack was inspired by our experience with pioneering projects like Dragon, Falcon, Starlink, and Starship. Our mission-critical infrastructure is designed for precision and scalability, meeting the highest demands of reliability in engineering.As an early-stage engineer at Siftstack, you will not only write code, but you will also play a pivotal role in defining our architecture, shaping our product, and cultivating a culture focused on addressing real engineering challenges. If you thrive on tackling complex technical problems and want to build foundational systems that support intricate machines, we'd love to hear from you.

About AnonAnon is revolutionizing the way enterprises can deploy authenticated AI agents to enhance their crucial data workflows.We are tackling one of the most significant challenges in enterprise automation: extracting and transforming data that is hindered by authentication barriers. Our innovative platform empowers AI agents to securely connect with any web-based system, extract unstructured data, and present it through state-of-the-art APIs.Since our inception in 2023, we have partnered with industry leaders to convert lengthy manual processes into streamlined automated workflows that can be completed in mere minutes. With $14M raised from notable investors such as Union Square Ventures, Forerunner Ventures, Okta Ventures, and Abstract Ventures, we are on a path of rapid growth.Our vision is clear: we believe every business system should be accessible to AI agents. If you are passionate about developing infrastructure that will support the next wave of AI applications, we invite you to join our dynamic team of 12 in San Francisco.www.anon.com/careersAbout the RoleAs a Full Stack Engineer at Anon, you will play a pivotal role in creating both the user interfaces and the underlying infrastructure that drive our authenticated AI agents for enterprise workflows. Your responsibilities will include developing React-based dashboards for agent monitoring, crafting embeddable authentication components, and constructing the APIs and data pipelines that convert unstructured web data into accurate and reliable outputs. This is a chance to take ownership of features from inception to deployment while engaging at the intersection of AI and enterprise software.Key ResponsibilitiesCore Platform DevelopmentCreate robust AI agents capable of navigating web interfaces, managing dynamic content, and extracting data from systems lacking APIs.Develop front-end interfaces for agent creation, monitoring dashboards, and real-time execution visualization.Take full ownership of features from database to UI, encompassing API design and user experience.Design embeddable JavaScript components and authentication modals to facilitate customer integrations.Build and maintain scalable APIs, data pipelines, and authentication workflows across various platforms.Develop integrations with third-party services and ensure comprehensive test suites are maintained.Collaborate & LearnPartner with senior engineers to gain insights into system architecture and best practices.Engage in code reviews and share knowledge with your peers, fostering a culture of continuous improvement.

Astranis is at the forefront of space innovation, developing state-of-the-art satellites that extend humanity's exploration capabilities into high orbits. Our satellites deliver reliable and secure communication networks to a diverse clientele, including large corporations, government entities, and military organizations. With five satellites currently in orbit and several more on the horizon, we are addressing a substantial backlog of over $1 billion in commercial contracts.As the preferred satellite communications partner for clients with rigorous demands for uptime, data integrity, and customized solutions, Astranis has successfully secured over $750 million in funding from esteemed investors like Andreessen Horowitz, Blackrock, and Fidelity. Our dedicated team of 450 engineers and entrepreneurs works passionately from our expansive 153,000 sq. ft. headquarters in Northern California, USA, to design, build, and operate our cutting-edge satellites.Mechanical Integration EngineerJoin our Mechanical Integration team at Astranis and play a pivotal role in constructing components, subsystems, and complete satellites. Collaborate closely with designers, technicians, and testing teams to shape the future of satellite communication while also having the chance to redefine our manufacturing processes.

Astranis is revolutionizing satellite communication by designing and deploying cutting-edge satellites for high orbits, thereby enhancing humanity’s exploration of the solar system. Our state-of-the-art satellites deliver dedicated, secure networks to a diverse clientele, including major enterprises, government entities, and the US military. With five satellites in orbit and a robust pipeline of future launches, we are addressing over $1 billion in commercial contracts.As the preferred partner for satellite communications, Astranis meets the rigorous demands for uptime, data security, network visibility, and customization. Backed by over $750 million from esteemed investors such as Andreessen Horowitz, Blackrock, and Fidelity, our dynamic team of 450 engineers and entrepreneurs operates from our expansive 153,000 sq. ft. headquarters in Northern California.As an RF Systems Engineer, you will be pivotal in shaping our RF systems roadmap, evaluating trade-offs, incubating new technologies, and managing RF sub-systems budgets and requirements. You will model payload and TT&C systems for both commercial and USG satellites, taking ownership of your projects while collaborating across teams to innovate and advance satellite technology.

Astranis is looking for a Senior Propulsion Engineer to lead the design, construction, and testing of propulsion systems for its advanced satellites in San Francisco. This position plays a key part in developing new propulsion solutions and improving system performance for high-orbit missions. What you will do Drive the full lifecycle of propulsion system development, from initial design through build and testing. Develop new solutions to enhance propulsion system performance for Astranis satellites. Mentor and guide junior engineers on technical projects and day-to-day work. Support the assembly and production of satellites that expand network access to underserved regions. Role focus This role centers on hands-on engineering and technical leadership. The Senior Propulsion Engineer’s work has a direct impact on the reliability and performance of satellites that serve commercial, government, and military clients.

Why Choose Alex?At Alex, one of the most promising startups emerging from our Y Combinator batch, we are making significant strides in the hiring landscape. We have secured strong funding, are generating revenue, and have ample runway to fuel our growth.Our innovative AI-driven recruitment tool revolutionizes the job interview process, enabling companies to obtain critical hiring insights more swiftly and effectively than ever. Our clients are enthusiastic about our product, and we are just beginning our journey.Who We Are?We are a team of individuals who:Thrive on tackling complex engineering challengesAdapt quickly and are committed to achieving resultsDedicate ourselves to hard workAct with urgencyValue in-person collaboration in our San Francisco office, five days a weekTechnologies We UtilizeWe prefer candidates with experience in:JavaScript (Typescript, React, Node, Next)PythonCloud and DevOps tools (Azure, Kubernetes, Docker)System ArchitectureYour ResponsibilitiesAt Alex, we operate similarly to a marketplace, providing unique interview experiences for candidates and a robust data analysis platform for employers. As a hands-on engineer, you will develop both consumer-facing applications and enterprise-grade software, with ample opportunities for professional growth. Potential consumer software challenges include:How can we reduce average interviewer response latency to 200ms?How can we refine our models to minimize hallucinations and help Alex pass the Turing test?How will our system architecture evolve as we scale to accommodate thousands of users concurrently?You will also address enterprise-related software challenges such as:How do we integrate with our clients' internal hiring systems?What is the optimal way to visually present interview results swiftly?How can Alex facilitate end-to-end coordination of the hiring process?And a myriad of feature requests awaiting your expertise!

About Numeral:Numeral is revolutionizing the tax landscape for digital businesses, helping them navigate the complexities of regulations across 47 states and over 50 countries. Our mission is to lift this burden so that teams can concentrate on their primary objectives.As the largest and fastest-growing AI-driven tax solution, Numeral was established in 2023 and has successfully raised over $57 million from notable investors such as Benchmark, Mayfield, and Y-Combinator. We proudly serve more than 2,500 paying customers and have consistently tripled our revenue year over year since our inception.While our main hiring hubs are in San Francisco and New York, we do offer remote opportunities based on specific circumstances.About the Role:We are in search of a foundational Full-Stack Engineer who thrives in dynamic environments, enjoys constructing intricate distributed systems, and is eager to establish core architecture within a rapidly expanding early-stage startup. You will spearhead the design and implementation of APIs, services, and infrastructure that form the backbone of our platform. Additionally, you will collaborate with leadership to drive engineering strategy, product execution, and cultural development.Your Responsibilities:Design and develop scalable and secure backend services and APIs from the ground up.Make architectural choices that prioritize speed, data integrity, and long-term sustainability.Work closely with product, design, and data teams to create efficient systems that enhance crucial customer workflows.Take ownership of infrastructure, observability, and performance for the services you create.Contribute to the establishment of engineering best practices, code quality, and a robust backend culture.What You Bring:Over 7 years of experience in developing backend systems in high-growth settings.Proficiency in backend technologies such as Node.js, PostgreSQL, Redis, and cloud services (AWS preferred).Experience in designing resilient APIs and distributed systems at scale.A strong product sensibility with the ability to balance performance, flexibility, and speed.A startup mindset: comfortable with ambiguity and eager for swift growth.Intensity & Ownership: This role goes beyond a standard 9-5 — we are rapidly scaling and face exciting opportunities ahead.Customer Obsession: A genuine commitment to enhancing user experience and resolving their challenges.