Frontend Engineer at Air Space Intelligence | Boston

Join Air Space IntelligenceAt ASI, we harness cutting-edge technology to empower critical decision-making across diverse sectors such as aviation, defense, energy, and vital infrastructure. Supported by leading investors like Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI is committed to delivering unparalleled operational decision superiority, transforming extensive analysis into rapid action. We are at the forefront of innovation, redefining the boundaries of what's achievable.Your RoleAs a valued member of our product engineering team, you will create dynamic user interfaces that facilitate mission-critical operations, enabling users to track and forecast flight paths within intricate, large-scale air traffic systems. Collaborating closely with our design team, you will develop high-performance, map-driven web applications that empower users to make instantaneous decisions based on rich, geospatial data.Our ExpectationsExpertise in JavaScript/TypeScript, React, and CSS.Experience in developing sophisticated, map-centric web applications using Mapbox, Maplibre, or Google Maps, emphasizing real-time rendering of multiple interactive features and overlays.Familiarity with WebGL, WebGPU, or ThreeJS for optimized graphics rendering, as well as WebAssembly (WASM) to boost application performance.Proactive problem-solving skills with a strong bias for action.Ability to write clean, efficient, and maintainable code.Meticulous attention to detail and a commitment to delivering exceptional user experiences.Skilled in utilizing modern LLM tools to expedite development processes and enhance code quality.Our Hiring PhilosophyWe view the interview process as a collaborative experience rather than a mere evaluation. Our goal is to simulate the dynamics of working together, ensuring the interview process revolves around you.

About Air Space IntelligenceAt Air Space Intelligence (ASI), we are revolutionizing the way critical decisions are made across aviation, defense, energy, and other essential sectors. Supported by prominent investors such as Andreessen Horowitz, Spark Capital, and Renegade Partners, our advanced technology transforms days of analysis into immediate actions, ensuring operational decision superiority. Join us as we redefine the limits of what is achievable.Your RoleAs a Staff Engineer, you will tackle our most intricate and impactful technical challenges. You will be responsible for designing innovative solutions and providing mentorship to fellow software engineers, while establishing the benchmarks for engineering excellence within the organization.Our Core ValuesExceptional software development expertise, particularly in Python, Rust, JavaScript, and Typescript.Proven experience in building infrastructure utilizing AWS, Kubernetes, Docker, and Terraform.Skilled in leveraging modern LLM tools to enhance development workflows and improve code quality.Experience with time-series and geospatial data processing.Proven leadership skills and experience.Willingness to travel as required.U.S. Person status is mandatory.Adaptability to shifting business priorities.Hiring ApproachWe view our interview process as a collaborative opportunity to explore how we can work together effectively, rather than merely a screening. Our aim is to create a process tailored to you.

About Air Space IntelligenceAt Air Space Intelligence (ASI), we are at the forefront of technological innovation that drives critical decision-making in aviation, defense, energy, and other essential infrastructure sectors. Supported by renowned investors such as Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI empowers organizations by transforming extensive analytical tasks into actionable insights within seconds. Join us in redefining the limits of possibility.Your Role:As a Software Engineer, you will play a vital role in developing groundbreaking products from the ground up and enhancing our existing offerings. You will thrive in a fast-paced and dynamic environment, setting high standards for performance and quality. Collaborating with a multidisciplinary team of engineers, end-users, and deployment strategists, you will tackle real-world challenges, creating tools that enhance decision-making and improve airspace safety.Key Qualifications:Solid proficiency in at least one modern programming language, with a preference for Rust and Python.For senior candidates: demonstrated experience in building and maintaining high-performance, scalable systems.Skilled in utilizing advanced LLM tools to enhance development efficiency and code quality.Proven ability to work collaboratively across diverse teams.A self-starter with leadership potential and the ability to work independently.Willingness to travel as required.Adaptability to changing business priorities.A strong desire for personal and professional growth.Eligibility to obtain security clearance.Our Hiring Philosophy:We view the interview process as an opportunity for mutual exploration rather than a mere evaluation. We tailor our approach to suit your experience.To expedite your application, we invite you to solve a brief puzzle provided below. Decoding it will reveal the hiring manager's email. Please send an email with the subject line 'Squawk!' along with your solution!...

Air Space Intelligence (ASI) develops technology for aviation, defense, energy, and critical infrastructure. With support from investors such as Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI transforms complex analysis into actionable insights. The team is dedicated to delivering operational decision support and consistently pursues new technical directions. The Civil Aviation team is focused on modernizing the U.S. air traffic control system. Their mission involves coordinating tens of thousands of flights each day, adapting to rapidly changing conditions. This group builds advanced trajectory prediction and decision-support systems to prepare the national airspace for emerging technologies, including commercial space operations and advanced air mobility. Precision, resilience, and reliability are central to improving both safety and efficiency. The Software Engineer for Civil Aviation, based in Boston, will design and develop backend systems that underpin U.S. air travel for the future. The role calls for a strong commitment to accuracy and maintainability, supporting a platform that future engineers can readily understand and extend. Key responsibilities Design and implement backend systems essential to national airspace operations. Tackle large-scale data fusion by ingesting and reconciling varied, noisy, and sometimes conflicting data from sources such as radar, flight plans, weather feeds, and operator inputs. Synthesize incoming data into a unified, reliable view and project this state forward in time to support complex optimization. Model uncertainty, evaluate data provenance and confidence, and ensure the system handles incomplete or erroneous inputs effectively. What we value Experience building production backend or distributed systems with attention to maintainability, scalability, and performance. Proficiency in at least one modern programming language. The team primarily uses Rust and Python, and values foundational skills to learn these languages quickly. Background in data integration, storage, processing, and management aimed at operational excellence.

Join WHOOP on our mission to enhance human performance and extend healthspan. We empower our members with insights drawn from advanced wearable technology that translate complex physiological data into personalized experiences, fostering improved fitness, health, and recovery.The Growth Team is a dynamic, fast-paced unit dedicated to driving user acquisition, activation, engagement, and retention. As a Software Engineer I on this team, you will play a vital role in developing and optimizing user-facing web experiences that influence key business and member metrics. Collaborating closely with seasoned engineers, product managers, and designers, you will help deliver high-quality features, conduct experiments, and continuously enhance the member journey.

About Air Space IntelligenceAt Air Space Intelligence (ASI), we harness mission-critical technology to empower decision-making across aviation, defense, energy, and essential infrastructure sectors. Supported by esteemed investors such as Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI is committed to delivering operational decision superiority—transforming days of analysis into swift, actionable insights. We are at the forefront of innovation, continually expanding the horizons of possibility.Your Responsibilities:As a Cloud Platform Engineer, you will spearhead crucial initiatives to deploy and enhance the Flyways AI Platform for our governmental clients. You will be responsible for deploying, scaling, and maintaining our services within a secure cloud environment. Collaborating closely with our product engineers, you will engage in coding software solutions, from adding innovative features to integrating diverse data sources that heighten the value our products provide to the warfighter.Qualifications We Seek:Proficient in managing and expanding our infrastructure stack (AWS, Kubernetes, Docker, Terraform, Helm).In-depth knowledge of Continuous Integration/Continuous Deployment (CI/CD) pipelines.Experience in overseeing large-scale, complex systems.Skilled in writing production-level code in Python.Expertise in Kubernetes, Docker, Object-Oriented Programming, AWS, PostgreSQL, Helm, Terraform, Python 3, and Grafana.Adept at leveraging modern LLM tools to enhance development processes and code quality.Strong ability to lead projects and work autonomously.Excellent collaborative skills to work effectively across diverse teams.Willingness to travel as needed.Adaptability to shifting business priorities.Our Hiring Philosophy:We view the interview process as a chance to showcase how we can work together rather than merely a screening or evaluation. Our aim is to tailor the interview experience to best reflect your strengths.

About Airspace IntelligenceAt Airspace Intelligence (ASI), we are at the forefront of technological innovation, providing critical solutions that enhance decision-making across various sectors, including aviation, defense, and energy. Supported by leading investors such as Andreessen Horowitz, Spark Capital, and Renegade Partners, our technology transforms complex analyses into actionable insights within seconds, setting a new standard for operational excellence.Your Role:As a Full Stack Engineer, you'll collaborate with our business and design teams to develop essential products that prioritize exceptional user experience. You will engage with complex air operation systems and implement user-centric features utilizing React, Redux, Mapbox, and TypeScript, all while managing everything from database architecture to API development.Core Values:Proficient in software development, particularly in Python, JavaScript, and TypeScript.Experience in building infrastructures using AWS, Kubernetes, Docker, and Terraform.Skilled in utilizing modern LLM tools to streamline development processes and enhance code quality.Demonstrated ability to collaborate effectively across multiple teams.A self-starter with a capacity to lead and work autonomously.Willingness to travel as necessary.Adaptability to shifting business priorities.Hiring Philosophy:We view our interview process as a collaborative opportunity rather than a mere assessment. Our aim is to create an environment that closely resembles working together.

Join Our Team as a Senior Frontend EngineerWe are seeking a talented Senior Frontend Engineer to become a vital part of our innovative team in Boston. This role provides a unique opportunity for a passionate and skilled engineer to enhance their career with an industry leader.Position Overview: You will be responsible for developing high-quality user interfaces, ensuring optimal performance and responsiveness of applications, and collaborating with cross-functional teams to define, design, and implement new features.

About Air Space IntelligenceAt Air Space Intelligence (ASI), we are at the forefront of mission-critical technology that transforms decision-making across the aviation, defense, energy, and critical infrastructure sectors. Supported by leading investors such as Andreessen Horowitz, Spark Capital, and Renegade Partners, ASI empowers organizations to achieve operational decision superiority—reducing days of analysis into mere seconds of actionable insights. Join us as we redefine the limits of possibility.Your Role:As a vital member of our engineering team, you will be responsible for designing and deploying robust production-grade systems that seamlessly integrate machine learning models into scalable software pipelines. You will develop and implement features that utilize machine learning to address real-world optimization and prediction challenges, leveraging cutting-edge technologies such as Kubernetes, AWS, and MLOps tools. Your approach will reflect a software engineer's mindset—focusing on reliability, maintainability, and high performance at scale.Our Core Values:Expertise in Python, along with experience in production machine learning tools and frameworks like TensorFlow, PyTorch, and scikit-learn.Hands-on experience with large language models (LLMs) in production settings, encompassing prompt engineering, fine-tuning, retrieval-augmented generation (RAG) systems, and frameworks such as LangChain.Deep understanding of data structures, algorithms, and software engineering principles.Familiarity with classical machine learning, deep learning with an emphasis on transformer architectures, and MLOps methodologies.Experience in building and maintaining scalable, reliable machine learning systems with comprehensive data pipelines, including proficiency with Apache Beam, MLflow, and similar tools.Dedication to high-quality machine learning engineering practices, including data versioning, experiment tracking, model governance, and automated testing pipelines.A preference for simplicity and clarity when tackling complex challenges.An inquisitive mind and eagerness to collaborate with others.Strong communication skills and the ability to work effectively across cross-functional teams.Our Hiring Philosophy:We view the interview process not merely as a screening test but as an opportunity to simulate what it will be like to work together. Our hiring process is tailored around you.

About General MedicineAt General Medicine, we are revolutionizing healthcare accessibility. As a Frontend Engineer, you will play a pivotal role in developing a user-friendly healthcare platform that simplifies the process of shopping for care. Our service offers clear upfront pricing for both cash and insurance for virtual and in-person healthcare services, including visits, prescriptions, labs, and imaging.What We Are Looking ForWe are seeking a passionate Frontend Engineer to help us craft a seamless and visually appealing consumer healthcare product on the web. You will take ownership of key areas of our Next.js application, including search functionality, scheduling, provider profiles, and the checkout experience, focusing intently on enhancing the patient journey.Our ideal candidate possesses extensive expertise in React and TypeScript, a keen eye for UI refinement, and experience in creating fast, accessible, production-ready web applications. You should feel comfortable collaborating closely with design teams to perfect interactions and micro-details while also confidently making practical frontend architectural decisions, encompassing component patterns, state management, data retrieval strategies, performance enhancements, and testing. Additionally, you should be open to working across the stack when necessary, as our frontend integrates with a Rails backend. We value engineers who can effectively trace bugs or develop features from end to end.Beyond frontend proficiency, we are looking for someone who is committed to technical excellence while also able to work efficiently. We often face trade-offs between engineering speed and quality; thus, our ideal candidate is ambitious, proactive, and aspires to be a well-rounded generalist. Our engineers frequently draft product requirement documents, utilize SQL to analyze feature performance, and oversee quality assurance. No task is too small or outside the scope of the role if it contributes to delivering an outstanding product. We are looking for someone who can thrive in an environment with considerable ambiguity and work closely with design, operations, and clinical stakeholders.While a healthcare background is not a requirement, a genuine interest in understanding the complexities of the American healthcare system—such as integrating with EHRs and revenue cycle management—is highly desirable.

Role Overview Whoop is looking for a Senior Frontend Software Engineer to work on growth-focused projects in Boston, MA. This role centers on improving user experience and increasing engagement across our platform. What You Will Do Work closely with teams from different disciplines to design and deliver new features and improvements. Develop scalable, efficient, and visually polished frontend applications. Apply frontend expertise to create solutions that support Whoop’s mission and meet user needs. What We’re Looking For Strong background in frontend technologies. Experience building user-facing applications with attention to performance and design. Ability to collaborate effectively with engineers, designers, and product managers.

Join our dynamic marketing and communications team as a Digital Marketing Specialist at JVS Boston! In this pivotal role, you will assist in crafting engaging content, driving program outreach, supporting events, and performing various essential tasks. Your contributions will be vital in promoting JVS Boston’s diverse program offerings, managing our vibrant social media presence, and designing impactful digital and print materials that align with our communication and marketing strategy.We seek a creative individual with a keen eye for aesthetics and a solid background in graphic design, photography, social media campaigns, and versatile writing tailored for diverse audiences. As part of our Advancement department, you will play a crucial role in client-facing outreach and donor engagement efforts.

Join our dynamic team at sevenai as a Senior Frontend Engineer. In this pivotal role, you will be responsible for crafting and developing the user-facing elements of our advanced AI-driven cloud platform. Your expertise will enable you to design scalable and high-performance web interfaces that simplify complex cybersecurity functions, making them user-friendly and accessible.As our platform evolves towards greater AI integration, your role will focus on creating interfaces that promote explainability and trust in these intelligent systems. You will play a crucial role in helping users comprehend AI decision-making processes, transforming model outputs and security insights into clear, actionable, and transparent user experiences.As a senior member of our engineering team, you will influence our frontend architecture, provide mentorship to junior engineers, and collaborate closely with design and product teams to deliver outstanding, insight-driven user experiences.

Empower decision-makers with timely insights at Code Metal. Here, real-time physics simulations, AI-driven insights, and operational actions coalesce into expansive data streams. As the lead for our Visualization & Frontend team, you will transform this overwhelming influx of information into sophisticated, impactful experiences that inform multi-billion-dollar strategic choices in force design, guided by wargaming principles. We seek a hands-on architect to construct a modular UI stack, navigate complex geospatial and temporal data, and mentor a select group of talented engineers to deliver high-quality products swiftly.Your Responsibilities Architect an innovative UI framework: Create a component library and plugin architecture that enables internal teams and future partners to enhance visualizations without altering the core codebase. Render data at scale: Develop responsive visualizations that combine live simulation outputs, AI insights, and historical data into a seamless, interactive timeline. Integrate smoothly: Utilize FastAPI/ZeroMQ endpoints from the backend and provide well-versioned client APIs for mission planning and dashboards. Collaborate with stakeholders and UX design leads: Continuously refine user experience based on performance metrics and feedback from Air Force wargamers and UX specialists. Lead by example: Promote UI/UX best practices, conduct code reviews, participate in design critiques, and implement automated testing; support team members in becoming force multipliers. Continuous deployment: Manage the CI/CD pipeline for web and desktop applications, with a focus on DoD accreditation and cross-domain distribution. Why Join Code Metal? Impactful mission: Your visualizations will contribute to discussions that shape the future of military force structure. Agility: Work in tight iterations with small teams—design in the morning and deploy by evening. Ownership: No bystanders here—every engineer plays a crucial role in shipping meaningful code.

Role Overview Whoop, Inc. is hiring a Software Engineer II focused on frontend development for its AI Platform in Boston, MA. This position centers on building and improving user interfaces that support the company’s fitness technology products. What You Will Do Work with teams across engineering, design, and product to deliver polished, intuitive user interfaces Contribute to the design and implementation of features that expand the platform’s capabilities Help shape the user experience for tools that support Whoop’s mission to unlock human performance What We’re Looking For Experience with modern frontend technologies Interest in building high-quality, engaging user experiences Strong collaboration skills and the ability to work with cross-functional teams This role is based in Boston, MA.

At sevenai, we empower security teams to delegate high-value tasks to intelligent AI agents, transforming the landscape of cybersecurity and automation. Join us as we innovate at the forefront of AI technology, merging deep engineering with tangible product impact. Collaborate with mission-driven teams in a dynamic, high-growth environment where your contributions will significantly shape the future of AI-powered systems.This role extends beyond conventional machine learning engineering; the emphasis is on composing, optimizing, and scaling AI systems designed to tackle complex enterprise challenges.Your ResponsibilitiesDesign and implement LLM-powered systems — craft retrieval workflows, manage context, develop agent prompts, and create structured output pipelines.Orchestrate AI workflows utilizing frameworks like LangChain and LlamaIndex, integrating product APIs and backend services seamlessly.Enhance prompt engineering — iterate on prompts, templates, and contextual strategies to achieve product quality and reliability standards.Evaluate real-world performance metrics — assess usefulness, accuracy, latency, and user experience impact beyond classic metrics.Collaborate across teams — liaise with product, platform, and backend groups to ensure fluid integration.Ensure reliable and scalable deployments — prioritize performance, cost-effectiveness, and observability within production settings.Who You AreProficient in developing practical LLM applications — you have successfully launched systems that leverage large models effectively.Strong software engineering foundation — experienced in Python/TypeScript, API design, backend integration, and cloud deployment.Familiar with relevant tools — adept with RAG, vector databases (e.g., Pinecone/Weaviate), and workflow frameworks (LangChain, Dust).Architecturally minded — capable of conceptualizing end-to-end solutions that integrate context windows, caching strategies, tool calls, and multi-step reasoning.Product-focused — you prioritize that the AI not only functions but delivers consistent value to users reliably and safely.Basic QualificationsProven experience in building AI systems and applications.

About the Role:As the Chief Financial Officer (CFO) at Jewish Vocational Services Inc. (JVS), you will play a pivotal role in shaping our financial strategy and ensuring the sustainability of our mission-driven initiatives. You will oversee financial planning, risk management, record-keeping, and financial reporting, while working closely with the executive team to drive operational efficiency and fiscal integrity.

At WHOOP, we are dedicated to revolutionizing human performance. Our mission is to empower individuals to achieve their peak potential by providing them with profound insights into their bodies and daily routines.As a Sensor Intelligence Engineer II at WHOOP, you will collaborate with a dynamic cross-functional team that includes experts in Digital Signal Processing (DSP), Apparel & Accessories, WHOOP Labs, Firmware, and Data Science. Your role will focus on developing and refining essential features that form the backbone of our technology. You will tackle the complex challenge of deriving accurate physiological data from noisy sensor inputs, while also enhancing our diagnostic tools and control methodologies to improve overall performance.

Join Klaviyo as an AI Engineer II and become a vital part of our innovative team. In this role, you will leverage your expertise in artificial intelligence to develop cutting-edge solutions that enhance our marketing automation platform. Collaborate with cross-functional teams to implement machine learning algorithms and data-driven strategies that drive customer engagement.

Join the Future of Financial Data!At Akoya, we are pioneering an API-based network supported by leading financial institutions to create a secure and transparent method for individuals to share their personal financial data with third-party applications. If you are passionate about cutting-edge technology that addresses real-world challenges, we invite you to join us in revolutionizing the way financial information is accessed and exchanged. Our vibrant and collaborative workplace fosters creativity and diversity, bringing together professionals with expertise in banking, securities, fintech, and data aggregation. As an equal opportunity employer, we encourage you to become part of our exciting journey – visit www.akoya.com for more details!Your RoleWe are on the lookout for a Principal Software Engineer (Frontend) to spearhead the development of our next-generation user experiences and frontend architecture. This position is perfect for a seasoned engineer who upholds high design standards, possesses advanced skills in modern JavaScript and React, and can drive technical strategies across intricate products. You will combine meticulous attention to detail with excellent communication skills and a fervor for crafting elegant, scalable, and user-friendly interfaces that empower our clients.As a Principal Engineer, your responsibilities will include:Leading the design and execution of Akoya's core frontend architecture, establishing benchmarks for code quality, performance, accessibility, and maintainability.Guiding the modernization of existing frontend systems, ensuring reliability of legacy components while transitioning them to more scalable, efficient, and maintainable frameworks.Writing clean, well-organized, and thoroughly documented code using React, TypeScript/JavaScript, and contemporary frontend tools.Collaborating closely with product managers, designers, and backend teams to define requirements and deliver polished, high-quality user experiences.Debugging and resolving complex production challenges across the frontend stack, ensuring robust and resilient interfaces.Enhancing the engineering team through mentorship, architectural guidance, and code reviews, enabling teams to achieve excellence.Promoting frontend best practices including performance optimization, component system design, and user experience improvements.