Software Engineer - Internal Tools

🏢 Summary: Applied Engineer role focused on building and scaling recommendation systems, ranking algorithms, and AI-driven search technologies for products serving hundreds of millions of users. The position involves developing machine learning infrastructure, real-time experimentation, and large-scale deep learning applications using modern AI frameworks and data systems. 🗂️ Requirements: Knowledge of Kafka, Clickhouse, and Spark, Experience implementing recommender systems at industrial scale, Experience with deep learning applications at industrial scale, Proficiency in JAX or PyTorch, Ability to design scalable machine learning systems, Strong communication skills, Hands-on engineering approach 📃 Skills: Kafka, Clickhouse, Spark, JAX, PyTorch, CUDA, Python, AI, ML 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We're seeking exceptional Applied engineers to join a high-priority project that approximately 600 million monthly users use. This is an exciting opportunity for individuals with an engineer or scientist background to apply their skills to recommendation systems, ranking algorithms, search technologies, and many other systems. You'll work at the intersection of advanced AI development and real-world impact, enhancing the ability to connect users with relevant content, accounts, and experiences. RESPONSIBILITIES: - Designing and architecting recommendation algorithms across various product surfaces - Leverage all of xAI's infra and AI stacks to dramatically enhance the user experience - Write data pipelines and training jobs that continuously learn from product data - Iterate and improve the algorithm by gathering user feedback in real time through experimentation - Ensuring scalability and efficiency of machine learning systems BASIC QUALIFICATIONS: - Knowledge of data infrastructure like Kafka, Clickhouse, and Spark - Experienced in implementing recommender systems and/or deep learning applications at industrial scale - Skilled in one or more DL software frameworks such as JAX or PyTorch - Exceptional candidates may be experienced in writing CUDA kernels COMPENSATION AND BENEFITS: - $180,000 - $440,000 USD - Base salary is one part of the total rewards package and includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, and additional discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view the Recruitment Privacy Notice.

🏢 Summary: Recruiting Coordinator role in a fast-paced AI startup environment focused on coordinating interviews, managing candidate logistics, maintaining recruiting data, and improving hiring processes. The position requires strong organizational and communication skills, adaptability, and the ability to manage multiple priorities while ensuring a positive candidate experience. 🗂️ Requirements: Bachelor's degree or equivalent, Experience working in a fast-paced environment, Strong organizational and project management skills, Ability to manage multiple ongoing projects, Strong written and verbal communication skills, Ability to adapt to shifting priorities, Experience in recruiting or people operations, Availability to work overtime as needed, Eligibility to work under ITAR regulations 📃 Skills: Greenhouse, Recruiting, Scheduling, Coordination, Communication, Organization, Multitasking, ProjectManagement 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We're looking for individuals with a knack for attention to detail, organization, and coordination. Our Recruiting Coordinators handle everything from scheduling interviews to tracking candidate data and ensuring that candidates have a lasting positive experience throughout the interview process. The ideal candidate has interest and may have experience working in a fast-paced, startup-like environment while wearing multiple hats to ensure our candidates have a positive experience at every stage of the recruiting process. Availability, flexibility, and adaptability are the keys to success in this role. RESPONSIBILITIES: - Play a crucial role within a fast-paced environment while working to coordinate and manage onsite and virtual candidate interviews - Schedule candidate interviews and handle any type of candidate logistics promptly and accurately - Represent and facilitate exceptional partnerships with all stakeholders, candidates, hiring managers, and interviewers to drive excellent customer service and consistent, high-quality work - Drive and participate in process improvement initiatives and other special projects - Ensure data integrity by updating candidate records in the applicant tracking system, Greenhouse - Evaluate and recommend recruitment strategies and solutions to make our processes more efficient BASIC QUALIFICATIONS: - Bachelor's degree or equivalent PREFERRED SKILLS OR QUALIFICATIONS: - Excellent organizational, project management, and multitasking abilities - Strong interpersonal and communication skills - Previous experience in a fast-paced environment - Ability to manage multiple on-going projects, be flexible to change, and adapt to shifting priorities - Team player with a high sense of urgency - Excellent written and oral communication skills - Prior experience in people operations or recruiting functions ADDITIONAL REQUIREMENTS: - Available to occasionally work overtime, as schedules vary with operational needs; flexibility is key COMPENSATION AND BENEFITS: - $80,000 - $100,000 USD - Base salary is just one part of the total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a U.S. citizen or national, U.S. lawful permanent resident, Refugee, Asylee, or be eligible to obtain the required authorizations from the U.S. Department of State.

🏢 Summary: HR Business Partner role supporting technical and non-technical teams in a fast-paced AI organization, focused on talent strategy, organizational design, employee relations, and performance management. The position involves partnering with leadership on hiring, compensation, employee development, and people analytics. Offers competitive compensation, equity, and comprehensive benefits. 🗂️ Requirements: 4+ years experience as HR generalist or HRBP, Experience in fast-paced high-growth environments, Experience supporting technical teams, Strong problem-solving and analytical skills, Excellent interpersonal and influencing skills, Ability to build relationships across organizational levels, Experience partnering on global HR issues, Excellent verbal and written communication skills, Organizational consulting skills 📃 Skills: HRBP, HR, Analytics, Compensation, Benefits, Recruitment, Onboarding, Reporting, OrganizationalDesign, PerformanceManagement 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: The HR Business Partner team is a key partner in helping scale the organization and support its talented employees. We work closely with senior leaders and their teams with the full lifecycle of an employee from onboarding, career development, recognition, performance management, org design and more. We help steer important decisions, and operate with urgency in ensuring that all of our teams are able to perform at their very best. In this role you will support both Technical and Non-Technical teams. RESPONSIBILITIES: - Strategize with managers on talent from recruitment strategy and skill needs, to employee relations, rewards and recognition, and employee morale and satisfaction. - Regularly track people data and identify trends and patterns on hiring, attrition, employee feedback, and compensation. - Partner with compensation and benefits teams in administering and evaluating our rewards programs, and ensuring employees are educated and familiar with our offerings. Identify areas we can continue to enhance and improve. - Provide partnership in organizational design through re-orgs, management changes, leveling & titles, and data & reporting. - Give critical and direct feedback to managers on areas of opportunity so they can continue to grow and lead at a high level. Understand their organizations and products, to better help influence your recommendations and guidance. BASIC QUALIFICATIONS: - 4+ years as an HR generalist/HRBP with exposure/experience across other fields within HR or related discipline. - Experience working in a fast-paced, high growth, dynamic business environment; experience in the tech industry and supporting technical teams highly desired. - Strong problem-solving, critical/analytical thinking abilities. - Outstanding interpersonal and influencing skills; demonstrated ability to develop relationships and influence at multiple levels within the organization. - Demonstrated ability to partner with team members outside of the US on global issues. - Excellent communication (verbal and written) skills and organizational consulting skills. PREFERRED SKILLS AND EXPERIENCE: - Motivated by complexity and challenges. - Comfortable in ambiguity and able to make sound decisions. - High energy and adaptable in fast-paced environments. - Strong learning agility and understanding of people dynamics, business models, and talent processes. COMPENSATION AND BENEFITS: - $110,000 - $140,000 USD. - Equity package. - Medical, vision, and dental coverage. - 401(k) retirement plan. - Short and long-term disability insurance. - Life insurance. - Additional discounts and perks. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a U.S. citizen or national, lawful permanent resident, refugee, asylee, or eligible to obtain required authorization from the U.S. Department of State. SpaceXAI is an equal opportunity employer.

🏢 Summary: Media engineering role focused on building and optimizing large-scale video services integrated with advanced AI infrastructure for a platform serving hundreds of millions of users. The position involves rebuilding media processing and distribution pipelines using high-performance languages and improving video quality, streaming, and real-time communication systems at scale. Candidates should have strong distributed systems experience and deep expertise in modern media technologies. 🗂️ Requirements: 5+ years of experience, Proficiency in C++ or Go, Knowledge of WebRTC, LL-HLS, or video transcoding pipelines, Experience with scalable distributed systems, Strong media quality and performance optimization skills, Strong communication skills 📃 Skills: Go, C++, Rust, Java, Scala, Kubernetes, FoundationDB, ValKey, Envoy, S3, WebRTC, LL-HLS, H.264, H.265, AV1, MP4, CMAF, VMAF, RTP, RTMP, HDR, DRM 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We're looking for exceptional media engineers who want to join us on a new project to deeply integrate xAI's advanced AI infrastructure into a platform used by around 600 million users every month. We're bringing xAI's technology stack and using it to transform the video product experience - video playback, live streaming, Spaces, audio/video calls, and more. This is your chance to contribute in a major way while leveraging all of the powerful AI tools and talented colleagues at xAI. RESPONSIBILITIES: - Build the next generation of large-scale video services - Contribute to and rebuild core media processing and distribution pipelines in high-performance languages (Rust, C++ or Go) - Obsess over every millisecond and pixel, ensuring end-to-end media quality and performance at scale across a rich suite of products and user platforms BASIC QUALIFICATIONS: - At least 5 years of experience - Obsessed with media quality, performance, and product experience - Proficient in high performance C++ or Go - In-depth knowledge of either WebRTC or LL-HLS or video transcoding pipelines - Familiar with building and running scalable and resilient distributed systems PREFERRED SKILLS AND EXPERIENCE: - Go, C++, Rust, Java, Scala - Kubernetes, FoundationDB, ValKey, Envoy, S3 - H.264, H.265, AV1, MP4, CMAF, VMAF, RTP, RTMP, LL-HLS, HDR, DRM COMPENSATION AND BENEFITS: - $180,000 - $440,000 USD - Base salary is just one part of the total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. Equal opportunity employer. Recruitment Privacy Notice available.

🏢 Summary: Media engineering role focused on building and optimizing large-scale video services integrated with advanced AI infrastructure for a platform serving hundreds of millions of users. The position involves rebuilding media processing and distribution pipelines, improving video quality and performance, and working with scalable distributed systems using high-performance languages. 🗂️ Requirements: 5+ years of experience, Proficiency in C++ or Go, Experience with WebRTC, LL-HLS, or video transcoding pipelines, Experience building scalable distributed systems, Strong focus on media quality and performance, Strong communication skills 📃 Skills: Go, C++, Rust, Java, Scala, Kubernetes, FoundationDB, ValKey, Envoy, S3, WebRTC, LL-HLS, H.264, H.265, AV1, MP4, CMAF, VMAF, RTP, RTMP, HDR, DRM 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We're looking for exceptional media engineers who want to join us on a new project to deeply integrate xAI's advanced AI infrastructure into a platform used by around 600 million users every month. We're bringing xAI's technology stack and using it to transform the video product experience - video playback, live streaming, Spaces, audio/video calls, and more. This is your chance to contribute in a major way while leveraging all of the powerful AI tools and talented colleagues at xAI. RESPONSIBILITIES: - Build the next generation of large-scale video services - Contribute to and rebuild core media processing and distribution pipelines in high-performance languages (Rust, C++ or Go) - Obsess over every millisecond and pixel, ensuring end-to-end media quality and performance at scale across a rich suite of products and user platforms BASIC QUALIFICATIONS: - At least 5 years of experience - Obsessed with media quality, performance, and product experience - Proficient in high performance C++ or Go - In-depth knowledge of either WebRTC or LL-HLS or video transcoding pipelines - Familiar with building and running scalable and resilient distributed systems PREFERRED SKILLS AND EXPERIENCE: - Go, C++, Rust, Java, Scala - Kubernetes, FoundationDB, ValKey, Envoy, S3 - H.264, H.265, AV1, MP4, CMAF, VMAF, RTP, RTMP, LL-HLS, HDR, DRM COMPENSATION AND BENEFITS: $180,000 - $440,000 USD Base salary is just one part of our total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

🏢 Summary: AI network software engineering role focused on building automation-first tools and services for large-scale GPU supercomputing network fabrics. The position involves developing scalable network management systems, implementing infrastructure-as-code practices, and improving deployment reliability for AI training and inference environments. 🗂️ Requirements: Deep experience collaborating with network engineers, Strong knowledge of network topologies, Strong knowledge of network protocols, Experience designing scalable and reliable software systems, Ability to orchestrate large-scale network devices, Experience with infrastructure-as-code practices, Strong communication skills, Ability to work hands-on in ambiguous environments 📃 Skills: Python, Go, TCP/IP, BGP, RDMA, IaC, Networking, Automation 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. About the Role As part of the Network Software and Services for AI (nssAI) team at xAI, you'll build cutting-edge software, services, and frameworks to empower our Network Development Engineers. Working hands-on, you'll tackle all facets of network management—metric collection, configuration, zero-touch provisioning, monitoring, and auto-remediation—driving automation-first solutions for production and ancillary networks. Expect to develop extensible tools, streamline complex processes, and ensure rock-solid reliability to support AI-driven scientific discovery. Focus - Building software and tools with extensive metrics coverage for large GPU supercomputing network fabrics used for AI training and customer inference queries. - Implementing IaC best practices, enhancing deployment pipelines, and ensuring robust, secure service delivery across production environments. Preferred Skills and Experience - Deep experience collaborating with network engineers using extensive knowledge of network topologies and network protocols. - Expert knowledge and proven history designing scalable and reliable software systems from the ground up. - Ability to build and orchestrate tens of thousands of network devices efficiently. - Ability to thrive in ambiguity and create metrics that help prioritize team focus. Tech Stack - Python - Go - TCP/IP - BGP - RDMA Annual Salary Range - $150,000 - $250,000 base Benefits - Equity package - Medical, vision, and dental coverage - 401(k) retirement plan - Short and long-term disability insurance - Life insurance - Additional discounts and perks SpaceXAI is an equal opportunity employer. For details on data processing, view the Recruitment Privacy Notice.

🏢 Summary: Data Engineer / AI Engineer role focused on building scalable data systems and pipelines that support AI model training, data quality evaluation, and machine learning performance optimization. The position involves collaborating across teams to acquire, process, validate, and monitor large-scale datasets used in neural network training and scientific AI development. 🗂️ Requirements: Bachelor's degree in Computer Science, Data Science, Physics, Mathematics, or STEM field, 1+ years of data or software engineering experience, Experience implementing or analyzing language models or neural networks, Experience with production data pipelines, Strong Python programming skills, Knowledge of machine learning and statistical analysis, Experience with large-scale datasets, Ability to work in distributed production environments 📃 Skills: Python, Kubernetes, Parquet, MachineLearning, NeuralNetworks, Statistics, Analytics, DataEngineering, Clustering, Forecasting, AnomalyDetection 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: At SpaceXAI, we are building AI systems that push the frontier of human knowledge and scientific discovery. High-quality data is fundamental to every stage of that mission. Our Data team is responsible for ensuring that the models are trained on the right data, in the right form, at the right quality, across every phase of the training lifecycle. This includes partnering closely with acquisition teams to identify where valuable data can be sourced, determining what data is needed to improve model performance, and building the production pipelines and systems that transform raw inputs into high-quality training data at scale. We work at the intersection of data, infrastructure, and machine learning to ensure our models train effectively and reliably. As a Data Engineer / AI Engineer on SpaceXAI's Data team, you will be responsible for developing the systems, processes, and production code that power data acquisition, preparation, quality evaluation, and delivery for model training. You will work closely with acquisition teams, ML engineers, and software engineers to identify data needs, build scalable data pipelines, and continuously improve the quality of the data that shapes model behavior. The ideal candidate combines strong software engineering fundamentals and excellent coding practices with deep intuition for statistics, neural networks, and how data quality influences training outcomes. RESPONSIBILITIES: - Analyze the performance and impact of data used throughout the model training lifecycle - Investigate anomalous model behavior and rigorously identify the data issues that drive poor downstream performance - Design, build, and improve the data cleaning, transformation, and quality-control steps required to produce high-quality training data - Research, evaluate, and develop frontier methods for improving data quality and effectiveness in AI model development - Apply statistical techniques and empirical analysis to make informed, data-driven decisions about dataset quality and model outcomes - Partner across teams to identify where data needs exist and define the highest-impact opportunities for new data acquisition and improvement - Build and maintain production-grade data pipelines, tooling, and software systems that ingest, process, validate, and deliver data for training - Develop metrics, evaluation frameworks, and monitoring systems to assess how data quality influences model behavior at scale - Fuse data from multiple sources into reliable, usable datasets for research and production model training - Create shared datasets, tooling, and internal data products that enable other teams to analyze, debug, and improve model performance BASIC QUALIFICATIONS: - Bachelor's degree in computer science, data science, physics, mathematics, or a STEM discipline - 1+ years of data/software engineering experience (internship experience is applicable) - Experience in implementing or analyzing language models or neural networks PREFERRED SKILLS AND EXPERIENCE: - Professional experience in analytics, data science, machine learning, or data engineering - Experience building and operating production data pipelines for neural network or large-scale machine learning workloads - Strong experience with Python and the broader ecosystem of libraries and tools used in modern machine learning and data development - Experience working with Parquet or similar columnar storage formats in large-scale data systems - Familiarity with Kubernetes and distributed production environments - Experience developing predictive models and machine learning pipelines, including clustering, forecasting, anomaly detection, or related techniques - Experience working with very large-scale datasets, including terabyte- to petabyte-scale data systems - Strong statistical intuition and the ability to use quantitative analysis to guide technical and product decisions, including familiarity of scaling ladder design studies - Ability to operate effectively in a dynamic environment with evolving priorities, changing requirements, and fast-moving technical challenges - Demonstrated ability to take ownership of ambiguous problems, drive projects independently, and develop new expertise where needed COMPENSATION AND BENEFITS - $150,000 - $210,000 USD - Base salary is just one part of the total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short and long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view the Recruitment Privacy Notice.

🏢 Summary: Software Engineer role focused on building and scaling a high-volume consumer platform with end-to-end ownership across frontend, backend, infrastructure, and AI integrations. The position involves developing distributed systems, microservices, analytics, and real-time features for products used by hundreds of millions of users. Candidates should have experience with large-scale applications, low-latency systems, and modern backend technologies. 🗂️ Requirements: 2+ years experience with large-scale consumer applications, Proficiency in distributed systems, Experience with high-scale low-latency environments, Experience with backend services and APIs, Experience with high-volume streaming systems, Strong communication skills, Ability to work in high-concurrency environments 📃 Skills: Rust, Go, Python, Java, APIs, Microservices, iOS, Android, Web, AI, Streaming, Analytics 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As a Software Engineer for X Product/Platform, you'll join the thirty person team responsible for building and scaling X. You will be tasked with independently owning significant parts of the system end-to-end: from intuitive user interfaces to robust backend services, data infrastructure, and deep AI integrations. This is a unique opportunity to impact while creating products that are loved by 600M+ users globally. RESPONSIBILITIES: - Develop backend services, APIs, and data models to support high-volume, multi-user environments. - Work with iOS, Android & Web client engineers to ship products. - Design robust infrastructure and microservices for payments, transactions, growth, monetization, and engagement across platforms. - Build and maintain fullstack features, including user dashboards, personalized experiences, content delivery, interactive tools, assessments, and real-time analytics. - Lead architecture, scalability, and reliability decisions for high-concurrency, low-latency systems. - Uphold engineering excellence via testing, monitoring, deployment, and secure data handling. BASIC QUALIFICATIONS: - Proficiency in distributed systems for high-scale, low-latency environments; languages like Rust, Go, Python & Java, and high volume streaming systems. - 2+ years of experience working on large scale consumer applications. PREFERRED SKILLS AND EXPERIENCE: - 5+ years of experience working on large scale consumer applications or early-mid stage startup experience as a founding engineer, emphasizing rapid prototyping, user-centric design, and AI solutions. COMPENSATION AND BENEFITS: - $180,000 - $440,000 USD - Base salary is just one part of the total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view the Recruitment Privacy Notice.

🏢 Summary: Software Engineer role focused on platform security, building AI-driven security tools and securing Kubernetes-based infrastructure and applications. The position involves designing scalable backend systems, identifying vulnerabilities, and driving secure engineering practices in a fast-paced environment. 🗂️ Requirements: 3+ years of experience in fast-paced technology environments, Expertise in Python, Rust, or Go, Experience building scalable tools or systems from scratch, Proficiency in scalable backend architecture design, Familiarity with security testing frameworks, Experience with Docker and Kubernetes, Knowledge of SBOM management and dependency scanning, Strong problem-solving and clean coding skills 📃 Skills: Python, Rust, Go, Kubernetes, Docker, Grok, BurpSuite, OWASP, SAST, DAST, SBOM 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented and driven Software Engineer to join Platform Security team, where you will build cutting-edge security solutions to protect our Kubernetes-based infrastructure and advance secure AI-driven systems. In this role, you will design and implement AI-powered security tools, proactively address vulnerabilities, and champion secure engineering practices across the organization. Ideal candidates are passionate about impactful innovation, excel at writing clean, efficient code, and thrive in fast-paced environments to support SpaceXAI's mission of creating a trusted and secure global digital platform. RESPONSIBILITIES: - Design and build AI-driven security tooling and agents using Grok to identify, analyze, and mitigate vulnerabilities in the platform infrastructure and customer facing application(s) - Proactively identify security problems to solve and own the design and implementation end-to-end - Collaborate and be a security champion while driving technical decisions across the organization BASIC QUALIFICATIONS: - 3+ years of experience in fast-paced, high-impact environments, ideally at startups or tech-driven companies. - Expertise in Python, Rust, or Go, with strong problem-solving skills and a focus on clean, efficient code. - Certifications like CISA, CRISC, CGEIT, Security+, CASP+, or similar preferred. - Proven experience building tools or systems from scratch, with a focus on scalable solutions. - Proficiency in designing scalable backend architectures to support secure systems. - Familiarity with security testing frameworks (e.g., Burp Suite, OWASP ZAP, SAST/DAST). - Experience with Docker and Kubernetes for deploying and securing containerized applications. - Knowledge of software supply chain tools, including SBOM management and dependency scanning. PREFERRED SKILLS AND EXPERIENCE: - Experience developing AI-driven security tools or integrating AI into security workflows. - Familiarity with Kubernetes-based environments and securing cloud-native infrastructure. - Proven ability to drive technical decisions and influence security practices across teams. - A passion for challenging the status quo and building transformative security solutions. - Strong collaboration skills, with experience working in dynamic, cross-functional teams. - A sense of humor and adaptability to thrive in a fast-paced, mission-driven environment. COMPENSATION AND BENEFITS: - $100,000 - $258,000 USD - Base salary is just one part of the total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view the Recruitment Privacy Notice.

🏢 Summary: Software Engineer role focused on building and scaling a high-volume platform serving 600M+ users, with ownership across backend services, infrastructure, AI integrations, and fullstack features. The position involves designing low-latency distributed systems, collaborating across mobile and web teams, and driving architecture, scalability, and reliability decisions. 🗂️ Requirements: 2+ years of experience with large-scale consumer applications, Proficiency in distributed systems, Experience with high-scale, low-latency environments, Knowledge of Rust, Knowledge of Go, Knowledge of Python, Knowledge of Java, Experience with high-volume streaming systems, Ability to build backend services and APIs, Experience with microservices architecture 📃 Skills: Rust, Go, Python, Java, APIs, Microservices, DistributedSystems, Streaming, iOS, Android, Web, Backend, Fullstack, Analytics, AI 🏢 Description: SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: As a Software Engineer for X Platform, you'll join the thirty person team responsible for building and scaling X. You will be tasked with independently owning significant parts of the system end-to-end: from intuitive user interfaces to robust backend services, data infrastructure, and deep AI integrations. This is a unique opportunity to impact while creating products that are loved by 600M+ users globally. RESPONSIBILITIES: - Develop backend services, APIs, and data models to support high-volume, multi-user environments. - Work with iOS, Android & Web client engineers to ship products. - Design robust infrastructure and microservices for payments, transactions, growth, monetization, and engagement across platforms. - Build and maintain fullstack features, including user dashboards, personalized experiences, content delivery, interactive tools, assessments, and real-time analytics. - Lead architecture, scalability, and reliability decisions for high-concurrency, low-latency systems. - Uphold engineering excellence via testing, monitoring, deployment, and secure data handling. BASIC QUALIFICATIONS: - Proficiency in distributed systems for high-scale, low-latency environments; languages like Rust, Go, Python & Java, and high volume streaming systems. - 2+ years of experience working on large scale consumer applications. PREFERRED SKILLS AND EXPERIENCE: - 5+ years of experience working on large scale consumer applications or early-mid stage startup experience as a founding engineer, emphasizing rapid prototyping, user-centric design, and AI solutions. COMPENSATION AND BENEFITS: - $180,000 - $440,000 USD - Base salary is just one part of the total rewards package, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view the Recruitment Privacy Notice.