Software Engineer, Platform - Exciting Opportunity in Seattle

Software EngineerAbout AetherfluxAt Aetherflux, we are pioneering the infrastructure that will empower and connect the burgeoning orbital economy. Our innovative, modular satellites operate from Low Earth Orbit, harnessing sunlight to unlock a new frontier of capabilities—from energy transmission via infrared lasers (both space-to-earth and space-to-space) to on-orbit computing and high-bandwidth optical data delivery. By redefining energy and data generation and distribution in space, we are creating groundbreaking operational modalities both in orbit and on Earth.Founded in 2024 by Baiju Bhatt, co-founder of Robinhood, Aetherflux is supported by prominent investors and driven by a team of experts from leading aerospace and defense organizations. We are rapidly addressing complex technical challenges to establish a new category of space infrastructure.The RoleAs a Software Engineer at Aetherflux, you will be instrumental in developing the systems that control, operate, and scale our spacecraft and ground infrastructure. Your responsibilities will encompass flight software, simulation, mission control systems, and the necessary tools for real-time hardware testing and operation.This role emphasizes ownership, allowing you to work across the full technology stack—from low-level system interactions with hardware to high-level services that facilitate mission operations. You will collaborate closely with hardware teams (including propulsion, power, and avionics) to bring up systems, validate performance, and guarantee reliable operation in challenging environments.ResponsibilitiesDesign, implement, and maintain software for spacecraft systems, ground systems, and mission operations.Develop flight software that interfaces directly with hardware to facilitate real-time control.Create simulation and testing frameworks to validate system behaviors prior to deployment.Work with hardware engineers to integrate, test, and debug end-to-end systems.Write efficient, reliable code suitable for resource-constrained, mission-critical environments.Develop internal tools to enhance testing, automation, and operational workflows.Engage in system bring-up, integration, and launch preparation activities.Monitor and support on-orbit operations, including debugging and performance optimization.Contribute to decisions on system architecture across both software and hardware domains.

Senior Spacecraft EngineerAbout AetherfluxAetherflux is at the forefront of developing the infrastructure necessary to empower and connect the evolving orbital economy. Our innovative satellites operate in Low Earth Orbit harnessing sunlight to facilitate groundbreaking capabilities—from the transmission of energy via infrared lasers (both space-to-earth and space-to-space) to enabling on-orbit computing and delivering secure, high-bandwidth optical data. By reimagining the generation and distribution of energy and data in space, we are paving the way for unprecedented operational methods in both orbit and on Earth.Founded in 2024 by Baiju Bhatt, co-founder of Robinhood, Aetherflux is supported by prominent investors and built by a team of experts from leading aerospace and defense sectors. We are rapidly advancing to tackle complex technical challenges and establish a new category of space infrastructure.The RoleWe are searching for a Senior Spacecraft Engineer to contribute to the design, construction, and integration of core systems that drive our satellite platform. This role encompasses collaboration across various spacecraft subsystems—including structures, power, thermal, and avionics—aiming to create reliable, high-performance systems capable of thriving in the extreme conditions of space.This position offers significant growth potential with an opportunity for rapid ownership and collaboration within a multidisciplinary team that includes experts in software, electrical, optical, and mechanical engineering.ResponsibilitiesDesign, develop, and integrate spacecraft subsystems, including structures, power, thermal, and avionics.Take ownership of components within the spacecraft architecture, from initial design to integration and testing.Conduct system-level trade studies to optimize performance, mass, power, and reliability.Assist in the development of spacecraft layouts, CAD models, and system schematics.Plan and implement integration and testing campaigns, including subsystem and full vehicle assessments.Create and maintain technical documentation such as requirements, interface control documents (ICDs), and test plans.Collaborate across teams in software, electrical, optical, and GNC to ensure optimal system-level performance.Support environmental testing and validation efforts, including thermal-vacuum, vibration, and EMI/EMC testing.Engage in design reviews (PDR, CDR) and contribute to system-level decision-making.Basic Qualifications

Senior Avionics EngineerJoin AetherfluxAetherflux is at the forefront of revolutionizing space infrastructure, striving to power and interconnect the burgeoning orbital economy. Our satellites, positioned in Low Earth Orbit, harness solar energy to enable groundbreaking capabilities, including energy transmission via infrared lasers and high-bandwidth optical data delivery. By innovating how energy and data are generated and utilized in space, we are paving the way for new operational methodologies both in orbit and on Earth.Founded in 2024 by Baiju Bhatt, a co-founder of Robinhood, Aetherflux is backed by prominent investors and is built by a talented team hailing from leading aerospace and defense sectors. We are rapidly addressing complex technical challenges to establish a new category of space infrastructure.About the RoleAs a Senior Avionics Engineer, you will take charge of the design, development, and integration of electrical systems that support our advanced optical and laser satellite payloads. This hands-on position involves working with both electrical and optical components to guarantee the seamless integration of high-power laser systems and payloads for Aetherflux satellites. You will collaborate closely with optical, mechanical, software, and systems engineers to create solutions that adhere to stringent performance standards for space applications.This role requires in-person attendance at our Seattle, WA office, where you will work on an accelerated timeline and witness your contributions in space during our inaugural space demonstration scheduled for summer 2026.

Senior Mechanical EngineerJoin Aetherflux as a Senior Mechanical Engineer and contribute to pioneering the infrastructure that powers and connects the orbital economy. Our innovative satellites operate in Low Earth Orbit, harnessing sunlight and enabling groundbreaking capabilities, including energy transmission via infrared lasers and secure optical data delivery. By revolutionizing energy and data generation and distribution in space, we are creating new operational paradigms for both orbit and Earth.Founded in 2024 by Baiju Bhatt, co-founder of Robinhood, Aetherflux is supported by leading investors and staffed by experts from top aerospace and defense firms. We are rapidly addressing complex technical challenges to establish a new category of space infrastructure.Your RoleAs a Senior Mechanical Engineer, you will be instrumental in designing and constructing the physical systems that ensure our spacecraft operate reliably in the harsh environment of space. You will oversee essential hardware from conception to flight, focusing on structures, mechanisms, thermal systems, and packaging to produce high-performance, flight-ready designs. This hands-on position is central to hardware development, requiring close collaboration with propulsion, power, avionics, guidance, navigation, control (GNC), and software teams to design integrated systems, quickly prototype, and validate through rigorous testing. You will need to move swiftly, iterate frequently, and take ownership of hardware that directly influences mission success.

Senior Spacecraft Systems Analysis EngineerJoin Aetherflux, a pioneering company redefining the orbital economy by leveraging innovative satellite technologies. Our satellites, operating in Low Earth Orbit, harness sunlight to facilitate advanced capabilities including the transmission of energy via infrared lasers, on-orbit computing, and secure, high-bandwidth data delivery. By revolutionizing energy and data distribution in space, we are paving the way for unprecedented operational methods both in space and on Earth.Founded in 2024 by Baiju Bhatt, co-founder of Robinhood, Aetherflux is backed by premier investors and staffed by experts from leading aerospace and defense sectors. We are rapidly tackling complex technical challenges to create a new category of space infrastructure.The RoleWe are searching for a Senior Spacecraft Systems Analysis Engineer to lead impactful modeling, simulation, and performance analysis for our satellite platforms. This multidisciplinary position requires you to provide critical insights that will influence spacecraft subsystem designs through thorough analysis and comprehensive system-level thinking.Bring your deep expertise in one or more areas such as structural, loads and dynamics, thermal, radiation, reliability, power, MMOD (micrometeoroid and orbital debris), fluids, or optical/brightness analysis, while maintaining a robust understanding of how these systems interact at the spacecraft level. This is a high-growth opportunity where you can take ownership of essential analyses that directly impact spacecraft operations.ResponsibilitiesConduct system-level modeling and simulations to assess spacecraft performance across various subsystems.Develop and manage analyses in one or more domains: structural, thermal, radiation, reliability, power, MMOD, fluids, or optical/brightness.Perform trade studies and sensitivity analyses to guide design decisions and enhance system performance, mass, and reliability.Collaborate across mechanical, electrical, GNC, and software teams to inform design and integration strategies.Establish and uphold analysis-driven requirements, margins, and verification methodologies.Interpret simulation outcomes and convert findings into actionable engineering insights.Assist with test planning and model correlation to ensure alignment with analysis predictions.

Aetherflux accepts referrals for potential future positions based in Seattle, WA. This posting is not tied to a current opening, but referred candidates are invited to share their backgrounds for consideration as new roles become available. Referral Process If a member of Aetherflux has referred you, please provide details about your experience and areas of expertise. The team regularly reviews these submissions as part of their ongoing talent pipeline. Who Should Express Interest Candidates who value innovation and enjoy working collaboratively are encouraged to submit their information. Sharing your skills and experience helps Aetherflux match future opportunities with strong talent as needs arise.

Join aetherflux as a Software Engineer specializing in Reliability for Avionics and Compute Systems. In this key role, you will be responsible for ensuring the dependable operation of our cutting-edge technology solutions that power the aviation industry. Collaborate with a talented team to design, develop, and test reliable software components that meet rigorous standards.

Join our innovative team at Aetherflux as a Power Avionics Engineer. In this pivotal role, you will be responsible for designing, developing, and testing advanced avionics systems that power the next generation of aerospace technology. Your expertise will contribute to projects that enhance safety, efficiency, and performance in the aviation industry.

We are seeking a talented and experienced Senior Software Engineer to join our dynamic team at dev2. In this role, you will leverage your expertise in software development to design and implement innovative solutions that enhance our product offerings and drive business success.As a Senior Software Engineer, you will be responsible for:Developing high-quality software solutions using modern programming languages and frameworks.Collaborating with cross-functional teams to define, design, and ship new features.Mentoring junior engineers and sharing best practices to foster a culture of continuous improvement.Debugging and optimizing existing code to improve performance and maintainability.Participating in code reviews and ensuring adherence to development standards.

About Our TeamAt OpenAI, our Forward Deployed Engineering team collaborates with clients to transform groundbreaking research into robust production systems. We thrive at the intersection of customer interaction and core platform innovation.Role OverviewWe seek dedicated and customer-centric software engineers to develop tailored software solutions utilizing OpenAI’s APIs to address real-world challenges. As a Forward Deployed Software Engineer (FDSWE), you’ll partner with our clients and fellow OpenAI engineers to craft scalable solutions for their toughest issues. You will innovate abstractions to tackle client problems, enhancing our efficiency and quality of delivery across all Forward Deployed projects.You will engage closely with Sales, Solutions Engineering, Solutions Architects, and Customer Success Managers associated with the same accounts. Additionally, you’ll collaborate with our Research and Applied Product and Engineering teams to relay valuable customer insights.This position is based in Seattle, following a hybrid work model with three days in the office each week. We provide relocation assistance and expect travel of up to 50%.Key Responsibilities:Work closely with strategic customers to deeply understand their business challenges and technical needs.Design, architect, and implement full-stack solutions using an iterative, experiment-driven methodology.Draft comprehensive scopes of work and project plans for both proof-of-concept initiatives and full-scale deployments.Engage hands-on with clients’ technical teams as a trusted expert and advisor, collaborating closely to drive projects to successful completion on their infrastructure.Team up with Product, Research, and Applied teams to ensure optimal customer experiences, project success, and actionable product feedback.Contribute to internal knowledge repositories, documenting best practices and sharing insights from customer interactions to enhance the Forward Deployed Engineering function.Ideal Candidate Profile:7+ years of comprehensive full-stack engineering experience (excluding internships) in tech or product-centric environments, particularly with customer-facing roles being highly desirable.Proficiency in programming languages and frameworks relevant to full-stack development.Strong problem-solving skills and a passion for customer engagement.

Join our innovative team at jobsforhumanity, where we are dedicated to creating impactful software solutions that empower individuals and communities. As a Software Development Engineer, you will play a pivotal role in designing, developing, and implementing software applications that enhance our mission of inclusivity and accessibility.

Join Plaid, a leading financial technology company, as a Software Engineer. In this role, you will have the opportunity to design, build, and maintain innovative software solutions that empower millions of users to connect with their financial data seamlessly. Collaborate with cross-functional teams to deliver high-quality products that enhance user experience and drive our mission forward.

Join SoFi as a Staff Software Engineer and play a pivotal role in shaping the future of our innovative financial technology solutions. You will collaborate with a talented team to design, develop, and implement cutting-edge software applications that enhance user experience while ensuring scalability and performance.

At Opendoor, we are reimagining the real estate industry with cutting-edge technology and innovative practices. We are looking for a talented MLOps Software Engineer specializing in pricing to join our dynamic team in Seattle. In this role, you will leverage your expertise in machine learning operations to enhance our pricing models, ensuring they are robust, scalable, and efficient.As a member of our engineering team, you will collaborate closely with data scientists and product managers to develop solutions that optimize pricing strategies and improve user experiences. We seek forward-thinkers who are passionate about using technology to drive significant business impact.

Docker supports millions of developers worldwide with tools like Docker Desktop, Docker Hub, and Docker Scout. The company’s products help organizations build, share, and deploy applications at scale, handling over 20 billion container image pulls every month. The team works remotely, bringing together talent from different locations. With a focus on the changing landscape of software development, especially as AI becomes more central, Docker emphasizes secure environments and verified images to enable safe and reliable workflows. Role overview The Staff Software Engineer - Billing position centers on designing and maintaining billing systems. This role involves building infrastructure that supports AI agents responsible for generating, deploying, and managing software. The engineer will play a key part in making sure these systems stay reliable and effective as they scale. What you will do Design and implement infrastructure for billing systems, with a focus on AI-driven workflows Ensure reliability and stability of systems that support autonomous software operations Establish standards and practices for AI-assisted infrastructure across the engineering group

Docker creates tools used by millions of developers to build, share, and run software. Products such as Docker Desktop, Docker Hub, and Docker Scout support a global user base ranging from individual founders to large organizations. Each month, more than 20 million people rely on Docker, with the platform handling over 20 billion container image pulls worldwide. The company operates as a fully remote, distributed team focused on modernizing software development. As AI agents become a core part of the development process, Docker delivers secure infrastructure, verified images, and sandboxed environments to enable trustworthy autonomous workflows. Docker is undergoing significant transformation as AI-driven development becomes a practical reality. The organization is setting standards for integrating AI-assisted software development into business-critical systems that impact revenue, compliance, and customer trust. Role overview The Software Engineer - Billing will join the Billing Platform Engineering team, which builds and maintains Docker's core billing infrastructure. This system supports millions of users and adapts as business needs change. What you will do Design and implement billing flows for subscriptions and usage-based models, ensuring accuracy, scalability, and auditability. Create APIs and define service boundaries to accommodate evolving billing requirements. Architect software systems so AI agents can implement features using clear, detailed specifications. Enhance the checkout, upgrade, and payment experience for Docker users. This position involves close collaboration with product managers, designers, finance, and business operations teams. Billing systems interact with many areas of the company, so strong communication and coordination skills are important. Key responsibilities Lead and contribute to features across the billing stack, including subscription management, payment processing, entitlements, invoicing, and internal tools. Develop, review, and maintain backend services in Go/Golang and frontend components in TypeScript/React. This includes writing and maintaining unit, integration, and end-to-end tests. Design systems with clarity and precision to support accurate AI-assisted implementation. Location Seattle, WA (remote-first team)

About Our TeamJoin the Statsig team at OpenAI, where we engineer the essential experimentation, rollout, and analytics infrastructure that drives every aspect of our product development. Our innovative systems empower teams across OpenAI to launch features safely, conduct experiments, and analyze the performance of product and model changes in real environments.Based in our Bellevue office, we are a close-knit group that thrives on in-person collaboration, rapid execution with a focus on impact, and creating systems that enable creativity across the organization.About the RoleAs a Senior Infrastructure Engineer on the Statsig team, you will play a vital role in designing and scaling the core infrastructure that supports OpenAI's experimentation and rollout tools.You will engage with distributed systems that provide real-time configuration decisions, handle vast amounts of experimentation data, and facilitate analytics that help teams gauge the effectiveness of product and model adaptations in production.This position demands a deep technical understanding and emphasizes performance, scalability, and reliability at an unprecedented scale. You will architect systems capable of supporting billions of feature evaluations, adhering to stringent latency standards, and establishing the data foundation for experimentation throughout OpenAI's product ecosystem.In this position, you will:Design and implement low-latency configuration delivery systems that drive progressive rollouts across OpenAI's diverse product offerings.Develop a highly scalable data ingestion and analytics infrastructure to enhance experimentation, product analytics, and feature performance tracking.Elevate the performance, efficiency, and reliability of Statsig’s core infrastructure, ensuring systems remain fast and stable as OpenAI’s products expand globally.Optimize query performance and data accessibility for experimentation and analytics workflows utilized by teams across OpenAI.Lead significant technical initiatives and influence the architecture of the experimentation and rollout infrastructure utilized company-wide.You may excel in this role if you:Possess experience building large-scale distributed systems with rigorous performance and reliability standards.Thrive on solving low-latency systems challenges, such as real-time configuration delivery and data analysis.

Join SoFi as a Staff Software Engineer, where you'll play a pivotal role in architecting and developing innovative software solutions to transform the banking experience. Collaborate with cross-functional teams to design, build, and maintain scalable applications that optimize user engagement and ensure robust performance. Utilize your expertise in software development to enhance our product offerings and drive technological advancements.

Role Overview Speechify is hiring an iOS Core Product Software Engineer in Seattle, WA. This role focuses on designing and building software for our iOS applications. The work directly shapes how users interact with and benefit from our products. What You Will Do Develop and improve features for Speechify's iOS apps Work with teams across engineering, design, and product to deliver updates Identify and fix bugs to keep the app stable and reliable Help ensure strong performance and scalability as our user base grows Who We’re Looking For Experience building or maintaining iOS applications Comfort working with others to solve problems and ship features Interest in improving user experience through thoughtful engineering Motivation to contribute to projects with real impact Location This position is based in Seattle, WA, USA.