Senior Backend Software Engineer - Join Our Innovative Team

Join Azumo, a trailblazer in AI Development, as a Remote AI Software Engineer specializing in Generative AI. We are on the lookout for a passionate and skilled engineer to enhance our dynamic team of expert AI developers. Our focus is on providing top-tier AI development services that empower organizations to create intelligent applications utilizing Generative AI, large language models (LLMs), and advanced automation technologies.In this role, you will collaborate with a diverse group of engineers, data scientists, and domain specialists in SaaS, cloud, and big data environments. Your work will involve cutting-edge AI software development services, transforming innovative research into production-ready solutions that have a tangible impact on global clients.If you are enthusiastic about the complete lifecycle of Generative AI development—from ideation and prototyping to deployment, monitoring, and scaling intelligent applications—you will thrive at Azumo.

At Outsight, we celebrate the proactive spirit of individuals eager to contribute to our mission. If you are passionate about what we do and believe your skills and experiences align with our vision, we invite you to submit a spontaneous application.To apply, please upload your resume, and our dedicated recruitment team will review your submission. If a suitable opportunity arises, we will reach out to you promptly. Thank you for considering Outsight as your future workplace; we look forward to connecting with you.

Are you looking to become a part of a dynamic and forward-thinking company? If you are enthusiastic about technology and innovation but don’t see a current opening that fits your profile, we encourage you to apply here! We are always on the lookout for talented individuals who can contribute to our mission.

About Fractional AIAt Fractional AI, we specialize in creating tailored generative AI software that revolutionizes businesses.In today’s landscape, C-suite executives across the nation are striving to bridge the divide between theoretical AI and practical application. We facilitate this transition with our outstanding engineering talent and bespoke end-to-end AI solutions. Explore some of our case studies to discover more about our impact.Joining Fractional AI means becoming part of a dynamic team located in San Francisco and NYC, working on innovative generative AI projects for leading companies, all within the atmosphere of an engineering-centric startup.About Bringing Your Own Engineering TeamWe understand that the right team can significantly amplify our capabilities, fostering collaboration and driving collective achievement. If you are part of an existing group of 2-5 engineers—perhaps you co-founded your own venture or have been affected by layoffs—we invite you to apply to join Fractional AI as a team.We will coordinate your interviews for the same day, and should we extend an offer, it will be to all team members simultaneously. Each of you will have the freedom to accept or decline individually, but we hope you will all join us, after which we will collaborate to identify initial projects at Fractional AI where you can work together.As a member of Fractional AI, you will take a pivotal role in developing and launching AI applications for our first clients—from comprehending customer requirements to deploying solutions in their environments—all while contributing to the evolution of our Engineering team and the broader culture at Fractional AI as we grow to over 100 engineers.

At alljoined, we invite you to 'Shoot Your Shot' and become part of our dynamic team in San Francisco! As an innovative company dedicated to fostering collaboration and creativity, we are on the lookout for passionate individuals who are eager to make a difference.

About the TeamThe Marketing Innovation team at OpenAI operates within the Demand Generation and Marketing organization, dedicated to creating sophisticated AI-driven systems that significantly enhance revenue generation and marketing functionalities.Our focus is on developing and scaling autonomous systems that effectively engage with customers and optimize internal processes to operate seamlessly at scale. We aim to redefine marketing and revenue operations in an AI-centric environment.We tackle challenges that go beyond conventional low-code tools and automation workflows, stepping in when a native product experience and deep system integration are essential for precision, safety, and reliability.About the RoleWe are seeking innovative software engineers with a product-focused mindset to join our Marketing Innovation team.In this role, you will be responsible for designing and managing autonomous systems that interact directly with enterprise clients, prospects, and critical revenue workflows. You will collaborate closely with leaders in sales, demand generation, and marketing to understand objectives and translate these into robust production systems.Rapidly transitioning from vague problem definitions to operational software will be a key aspect of your work, where success will be measured by the impact you create: namely, revenue growth, enterprise pipeline development, and marketing efficiency.This position is perfect for engineers eager to take ownership of tangible systems, relish the challenge of building innovative products from scratch, and are excited to shape the future of AI-driven solutions and processes.Responsibilities:Develop autonomous and semi-autonomous systems that enhance revenue, pipeline, and marketing efficiency.Oversee the complete product development lifecycle, from initial prototypes to stable production systems, ensuring robust instrumentation and evaluations.Engage with the full technology stack, including API development, orchestration, data management, user interface design, and deployment.Work in tandem with marketing, demand generation, and sales teams to establish success metrics and functional specifications.Utilize OpenAI models and tools creatively, balancing trade-offs between different models, platforms, and architectures.

About Giga EnergyAt Giga Energy, we are pioneering the development, construction, and operation of AI-driven energy infrastructure to power the modern world. Our mission is to revolutionize the energy infrastructure experience for good. With a vertically integrated model that encompasses site origination, infrastructure manufacturing, and power market engagement, we are positioned to deliver projects more swiftly than ever. Founded in Texas, we collaborate with AI hyperscalers and data center operators to create impactful energy solutions.Why Join Our Team?Fast-Paced Environment: Take charge of projects that progress quicker than any other in the sector.Significant Impact: Transform innovative ideas into actionable contracts and permits.World-Class Team: Collaborate with leading engineers and builders who are shaping the future of AI infrastructure.Your RoleWe are seeking an experienced and meticulous Switchboard Engineer to become a key member of our Houston engineering team. In this role, you will serve as a vital link between the needs of our U.S. customers and our manufacturing operations in China, overseeing the customization and delivery of switchboard designs from initial concept to final manufacturing release. Your expertise in CAD and comprehensive understanding of UL 891 standards will enable you to create mechanical and electrical blueprints that meet stringent quality and safety standards. If you excel in a fast-paced, cross-cultural environment and are passionate about bringing electrical infrastructure to life, this role is ideal for you.Work EnvironmentThis position is primarily remote for candidates outside of our Houston, Long Beach, or San Francisco offices. However, you should be prepared to travel to one of our hub locations up to three times a month.Key ResponsibilitiesTailor switchboard designs to meet customer specifications and project demands.Collaborate with product and engineering teams to convert designs into precise manufacturing documents.Create comprehensive mechanical and electrical CAD drawings in SolidWorks, ensuring compliance with UL 891 and other relevant standards.Keep design documents current and reflect any changes or updates.

At Drivetrain, we're dedicated to empowering businesses with our state-of-the-art financial planning and decision-making platform, enabling them to scale efficiently and meet their objectives with confidence.As a remote-first company based in the vibrant San Francisco Bay Area, founded by former Google experts in 2021, we're on an exciting growth trajectory backed by prominent venture capital firms.Our Culture:We foster an environment where our employees can flourish and feel fulfilled. Remote-Friendly: We bring together the brightest minds regardless of location, offering them extensive autonomy. Trust is at the core of our values. Open & Transparent: We believe that providing our creators with complete access to necessary information allows their best work to surface. Idea-Friendly: Our environment encourages experimentation, learning from failures, and the pursuit of innovative ideas. Everyone in the company has the chance to spark positive change, letting the best concepts thrive. Customer-Centric: Our product-led growth strategy focuses on continuous learning from our customers, collaborating to craft extraordinary software that embodies the essence of Drivetrain.About the RoleWe're seeking a talented Backend Engineer to join our dynamic team. This role involves tackling intricate challenges in backend application development, algorithms, system design, and production support.Responsibilities:You will be faced with stimulating technical challenges, such as designing abstractions that reduce custom code while accommodating diverse business needs, and managing data across multiple systems while ensuring clarity amid complexity.Work with a cutting-edge tech stack that includes Java, Spring, Hibernate, Redis, Elasticsearch, PostgreSQL, BigQuery, and AWS.Evaluate operational feasibility, defining problems, understanding requirements, developing solutions, and proposing improvements.Ensure the quality, maintainability, security, and total cost of ownership of developed components. Review peer code to provide constructive feedback aligned with best practices.Contribute to existing documentation and educational content, fostering a culture of continuous improvement.

Alembic seeks a Senior Applied AI Engineer to develop advanced AI solutions that enhance our products. This position is based at our San Francisco headquarters. Key Responsibilities Design and build AI systems aimed at solving real-world problems Collaborate with engineers and data scientists to create effective models and algorithms Help shape products that learn, adapt, and provide valuable insights to users Collaboration and Teamwork Work alongside a dedicated team focused on practical AI applications. Team members regularly exchange ideas, tackle challenges together, and see the results of their efforts reflected in our technology.

General ApplicationAt Physical Superintelligence, we are constantly on the lookout for outstanding individuals who are eager to make a difference. If you are driven by a passion for the convergence of artificial intelligence and physics, and you believe you have the skills to help us achieve our ambitious goals, we would love to connect with you.About Physical SuperintelligenceFounded by a diverse team from prestigious institutions such as Harvard, MIT, Johns Hopkins, Oxford, and others, Physical Superintelligence is at the forefront of innovation. Our mission is to develop advanced AI systems that can explore and uncover new physics at an unprecedented scale.

Why Choose Casca?At Casca, we're pioneering the future of banking by developing Artificial General Intelligence (AGI) that transforms outdated legacy systems into advanced AI-driven technology. Our mission is to automate 90% of the manual labor previously required in banking, making operations more efficient and effective.Your Role and Responsibilities:Role Distribution: 70% Coding | 30% Collaboration & MentorshipLead with Purpose: Spearhead architectural decisions that ensure long-term stability while keeping pace with our rapidly evolving banking platform. You'll identify essential pathways and make critical technical decisions to enhance overall efficiency.Code and Inspire: Dedicate approximately 70% of your time to writing high-quality code and 30% to aligning technical strategies. Your contributions will help unblock and empower the broader team.Execute Effectively: Direct the development of sophisticated initiatives by breaking down tasks and optimizing workflows for maximum productivity. You will ensure that features are deployed swiftly without unnecessary delays.Enhance Team Performance: Elevate your skills and vision by fostering the growth of your colleagues. You will mentor team members, exemplifying best practices in engineering and helping others unlock their potential.Value Optimization: Utilize your strong pattern recognition to create SaaS applications that strike the right balance between complexity, quality, and delivery speed, focusing on customer needs.Uphold High Standards: Lead efforts to refine controls and communication strategies, enhancing predictability and system reliability. Use data-driven approaches to prioritize impactful work.Our Technology Stack: TypeScript, React, NextJS, Postgres with Prisma, Python, AWS.

About MercorAt Mercor, we are pioneering the fusion of labor markets and artificial intelligence research. Collaborating with premier AI laboratories and enterprises, we deliver the essential human intelligence required for AI evolution.Our extensive talent network empowers the training of cutting-edge AI models, akin to how educators impart knowledge to students—by sharing insights, experience, and context that transcends mere code. Currently, our network of over 30,000 experts generates more than $2 million daily.We are establishing a novel domain of work where expertise propels AI progress. This ambitious endeavor necessitates a dynamic, fast-paced team dedicated to innovation. You will collaborate with researchers, operators, and AI enterprises that are reshaping societal systems.Mercor is a thriving Series C firm, valued at $10 billion, and operates five days a week in our state-of-the-art San Francisco headquarters.About the RoleAs a Frontend Engineer at Mercor, you'll be part of a small, product-focused engineering team tasked with designing and developing user-centric systems that enhance our core AI infrastructure. This high-impact role involves close collaboration with design, product, and backend engineers to deliver intuitive, high-performance, and scalable experiences for top-tier AI labs. From day one, you’ll contribute production-quality code, manage projects from inception to completion, and maintain a balance between speed, quality, usability, and scalability.At the conclusion of the onboarding process, you will be matched to a team where your skills can create the most significant impact in one of the following areas:Talent Platform Side – Developing next-generation tools that automate the recruitment process, intelligently match candidates to roles, and facilitate global hiring with streamlined contracts and payments.Applied AI/Human Data Side – Partnering with renowned AI researchers from organizations like OpenAI, Anthropic, and Google to construct post-training datasets that enhance foundational model capabilities.Your ResponsibilitiesDesign and implement user-friendly, high-performance interfaces that function seamlessly across platforms.Integrate APIs and data flows with backend systems effortlessly.Collaborate with design and product teams to transform wireframe concepts into live products.Write clean, maintainable React and TypeScript code, while also contributing to frontend documentation.Engage in design reviews, code reviews, and retrospectives to foster continuous improvement.Address complex product and technical challenges with innovative solutions.

We are searching for a talented and driven SDET / QA Lead to join our dynamic team at saris-ai in San Francisco. In this pivotal role, you will lead the quality assurance efforts for our cutting-edge AI solutions, ensuring that our products meet the highest standards of quality and performance. Collaborate closely with development teams to define testing strategies, develop automated test frameworks, and enhance our testing processes.

About HightouchHightouch is a cutting-edge AI platform tailored for marketing and growth teams. Our innovative AI agents transform marketing workflows, empowering marketers to effortlessly create content, strategize campaigns, and implement initiatives with unmatched speed and effectiveness.At Hightouch, we sit at the crossroads of two monumental technological advancements: the evolution of large language models (LLMs) and agentic AI, alongside the swift adoption of cloud data warehouses such as Snowflake and Databricks. Riding this wave of innovation, we have emerged as a leader in AI marketing, collaborating with industry titans like Domino’s, Chime, Spotify, Ramp, Whoop, Grammarly, and over 1,000 others.Our dedicated team is committed to making a significant difference for our customers. We tackle challenges with a first-principles mindset, operate swiftly and effectively, and foster an environment of compassion and respect. We seek team members who are exemplary communicators, possess a growth-oriented mindset, and are driven and resilient in pursuing our collective goals.About the RoleWe are on the lookout for a product-focused AI Engineer to enhance our team. The ideal candidate will exhibit strong customer and product insights, along with a high degree of creativity in utilizing LLM applications. We need someone who can rapidly prototype as well as design and implement production-grade LLM pipelines.Potential workstreams include:Rapidly iterating and developing proofs of concept (POCs) to maximize the integration of AI within data and marketing workflows.Making critical decisions regarding AI architecture and frameworks.Creating production-level data agents that leverage company data to seamlessly address analytics and data science inquiries related to users and marketing initiatives.Gaining a deep understanding of user workflows to design integrated AI-assisted user experiences.We welcome talented, inquisitive, and passionate individuals eager to explore the forefront of AI. While prior experience with LLMs and AI is not a prerequisite, robust technical skills, especially in backend architecture, and a strong product intuition are vital to successfully navigate and execute these projects from inception to completion.This is a senior-level position, but we prioritize impact and growth potential over years of experience. The salary range for this role is $180,000 - $320,000 USD per year, aligned with our remote-first policy.

About Our TeamThe Marketing Innovation team at OpenAI is a cutting-edge product engineering group nestled within our expansive Demand Generation and Marketing organization. Our focus is on developing sophisticated, AI-driven systems that enhance revenue generation, pipeline development, and marketing efficiency.We are tasked with scaling autonomous systems that serve both customers and internal stakeholders, operating at an unprecedented scale. Our goal is to create innovative, customer-facing solutions that engage prospects, drive revenue, and redefine the future of marketing and revenue operations in an AI-centric landscape.Our expertise lies in tackling challenges that surpass the capabilities of conventional low-code tools and basic workflow automation. When the need arises for a robust product experience, in-depth system integration, and unwavering standards of precision, safety, and reliability, the Marketing Innovation team delivers.About the RoleWe are seeking talented product-oriented software engineers to join our dynamic Marketing Innovation team.As a Product Engineer, you will play a pivotal role in developing and managing autonomous, customer-facing systems that directly interact with enterprise clients, prospects, and critical revenue workflows. You will collaborate closely with leaders in revenue scaling, demand generation, and marketing to understand their objectives, translating those needs into high-quality, production-ready systems.Your ability to rapidly transition from vague problem descriptions to fully operational software will be key. We value impact over output: your success will be measured by revenue growth, enterprise pipeline enhancement, and marketing efficiency.This position is perfect for engineers who thrive on taking ownership of tangible systems, enjoy building pioneering products from the ground up, and are eager to establish new frontiers in AI-driven products and workflows.Key Responsibilities:Design and develop autonomous and semi-autonomous systems that enhance revenue generation, pipeline development, and marketing effectiveness.Oversee the complete product lifecycle, from initial prototypes to robust production systems with thorough monitoring and evaluations.Engage with the entire technology stack, including APIs, orchestration, data flows, user interfaces, and deployment processes.Collaborate with marketing, demand generation, and enterprise sales teams to establish success metrics and functional requirements.Utilize OpenAI's models and tools creatively, making informed decisions regarding models, platforms, and architectures.Continuously iterate based on user feedback and performance metrics to enhance system functionality.

Join Our Team as a Senior Software EngineerAt Sprig, we are revolutionizing experience research by developing an AI-native successor to outdated survey tools like Qualtrics and SurveyMonkey. Our vision is to create a platform that is not only intelligent and fast but also seamlessly integrated into the product development process of modern teams.Our commitment is to simplify customer understanding, making it an ongoing and effortless endeavor. With Sprig, product teams gain clarity from insights rather than relying on guesses. We are pioneering a future where AI drives real-time insights, streamlines workflows, and enhances customer experiences.Leading companies such as Notion, Figma, and Coinbase trust Sprig to connect more intimately with their customers. As we approach $100 million in annual recurring revenue, we are expanding our innovative AI capabilities globally.If you thrive in dynamic environments and are excited about redefining a category, we would love to hear from you.Your RoleAs a member of Sprig's AI engineering group, you will play a crucial role in developing the technology that empowers UX researchers and product leaders to analyze customer behavior at scale. Our platform processes hundreds of millions of events daily, delivering AI-driven analysis that transforms raw data into actionable insights.You will be responsible for managing backend systems that facilitate this operation, including high-performance data pipelines, AI inference orchestration, and integrations that embed applied AI into Sprig's user experience. Your contributions will be vital in evolving the technical foundation that enables our customers to scale and operationalize AI-driven understanding.While our team collaborates across the entire stack, your focus will primarily be on backend and distributed systems, closely interfacing with applied AI infrastructure. You will work alongside engineers who prioritize thoughtful design, practical solutions, and impactful work, all while adhering to high standards of reliability, privacy, and correctness.This is a hybrid position requiring three days a week in our San Francisco office, conveniently located near Montgomery BART.

About Our TeamThe GTM (Go-To-Market) Innovation team is a dynamic and innovative group dedicated to transforming customer engagement through cutting-edge applications of our technology. As a vital internal incubator, we enhance the effectiveness of Sales, Technical Success, Enablement, and Revenue Operations by deploying our technology on a large scale. Our mission is to enrich real-world interactions by reshaping customer conversations, learning from each exchange, and discovering new ways to demonstrate the value of our technology.About the RoleWe are seeking talented backend software engineers with a product-oriented mindset to join our GTM Innovation team. In this role, you will play a crucial part in helping OpenAI engage with the world at scale. You will collaborate closely with go-to-market teams to understand their workflows, identify opportunities for improvement, and develop innovative solutions utilizing OpenAI’s API platform.Your agility in moving from prototype to production will be essential, as your contributions will directly influence how customers interact with our technology in real-world settings. This role is perfect for engineers looking to engage directly with users, take ownership of end-to-end outcomes, and pioneer new categories of enterprise software.Key Responsibilities:Develop impactful applications and tools that drive OpenAI’s go-to-market initiatives.Oversee the entire product lifecycle for GTM: prototype, iterate, deploy, and maintain.Collaborate closely with Sales, Technical Success, and Revenue Operations to identify user needs and create tailored solutions.Utilize OpenAI’s models in innovative ways to address real-world customer and internal workflow challenges.Convert insights gained from user interactions into actionable feedback for our Applied and Research teams to guide product development.Qualifications:A minimum of 4 years of experience as a software/ML/product engineer working on user-facing systems.Experience as a founder or early engineer at a startup who has built a product from the ground up is highly desirable.Proficiency in Python or JavaScript and a strong capability in building full-stack applications.Experience building or prototyping LLM-powered workflows using the OpenAI API (or similar technologies).Demonstrated initiative, quick decision-making, and a profound sense of ownership.A passion for collaborating closely with end users to deliver exceptional solutions.

About Retell AIAt Retell AI, we are pioneering the future of call centers through innovative voice AI technology. Our cutting-edge solutions are transforming how companies engage with customers.In just 18 months since our inception, we've empowered thousands of businesses with our AI voice agents that efficiently manage sales, support, and logistics calls, significantly reducing the need for large teams of human agents. Supported by industry-leading investors including Y Combinator and Alt Capital, we've grown our annual recurring revenue from $5M to an impressive $36M while expanding our team from 5 to 20 talented individuals since 2025.Our ambitious vision for 2026 is to develop a state-of-the-art customer experience platform where entire contact centers are driven by AI. Unlike basic automation requiring constant human oversight, we’re engineering intelligent AI “workers” capable of serving as frontline agents, quality assurance analysts, and managerial roles, all while optimizing customer interactions continuously.We are rapidly expanding and seeking driven builders who thrive on solving complex technical challenges, act decisively, and wish to make a tangible impact in one of the fastest-growing voice AI startups.Join us in shaping the future!Recognized as a top 50 AI application in the a16z list: https://tinyurl.com/5853dt2xRanked #4 in Brex's Fast-Growing Software Vendors of 2025: https://www.brex.com/journal/brex-benchmark-december-2025Featured among the top startups on: https://leanaileaderboard.com/

Join Cloudflare as a People Team Intern in HR Operations & AI Innovation this summer in 2026! This unique opportunity is designed for students passionate about human resources and technology. Your role will involve supporting HR operations and exploring the innovative intersection of AI and people management.As an intern, you will work alongside experienced professionals, gaining hands-on experience in HR processes, employee engagement strategies, and AI applications that enhance workforce efficiency. This internship is an excellent way to develop your skills in a dynamic and supportive environment.