Software Engineer at Chalk | San Francisco

Join the Beam Team!At Beam, we are revolutionizing the construction industry by eliminating the inefficiencies caused by excessive paperwork, tedious administrative tasks, and inadequate financial tracking. Our innovative software and financial tools empower builders across America, allowing them to concentrate on their core strengths.Our cutting-edge produc…

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

Join our dynamic team at reteam as a Software Engineer in the vibrant city of San Francisco! We are seeking innovative and driven individuals to contribute to our technology initiatives.In this role, you will have the opportunity to work on exciting projects that push the boundaries of software development.

About the Role Stripe is building technology that supports businesses worldwide. The San Francisco engineering team is looking for a Software Engineer to help improve our platform and deliver new features for our customers. What You Will Do Collaborate with other engineers to design and build new systems Enhance existing products and infrastructure Contribute ideas to improve the Stripe platform Location This position is based in San Francisco, California.

About MiddeskMiddesk is revolutionizing the way businesses collaborate by providing seamless business identity verification. Since our inception in 2018, we have replaced cumbersome manual processes with instant access to accurate and current data. Our platform empowers companies across various sectors to confidently verify business identities, accelerate customer onboarding, and mitigate risks throughout the customer journey.As a proud graduate of Y Combinator and backed by esteemed investors such as Sequoia Capital and Accel Partners, Middesk has been recognized in the Forbes Fintech 50 List and acknowledged as a leading authority in business verification by digital identity strategy firm, Liminal.About Middesk Engineering:At Middesk Engineering, we prioritize

Join us at Lever, a leading innovator in hiring software, as a Software Engineer in our vibrant San Francisco office. This role is an opportunity to become part of a dedicated team committed to enhancing talent acquisition through cutting-edge technology.At Lever, we pride ourselves on our culture of collaboration and continuous improvement. We are seeking passionate individuals who share our dedication to minimizing downtime and fostering a supportive environment. You will be integral in driving our values forward in our new Toronto office while contributing to our mission of transforming the hiring experience.THE TEAMIn our engineering team, we prioritize knowledge sharing and peer feedback, ensuring everyone grows and thrives. We are enthusiastic about automation, innovative chatbots, and providing exceptional user experiences. Your contributions will shape our approach to talent acquisition as we expand.THE TECH STACKLever utilizes our proprietary open-source MVC framework, Derby, which employs Operational Transformation for real-time data synchronization—similar to the technology behind Google Docs. Our infrastructure heavily relies on AWS, Docker, Node, MongoDB, ElasticSearch, and Redis. Tools like Hubot facilitate our deployment processes while Grafana provides insights into our systems. We emphasize automation and version control, utilizing Terraform and Chef to ensure consistency.

A Better Built WorldAt Miter, we are dedicated to empowering construction contractors to build with confidence. Our success not only makes it easier but also accelerates the construction of vital physical infrastructure such as roads, bridges, utilities, data centers, and housing.For far too long, contractors in the construction and field services sectors have relied on outdated software—bulky, on-premise systems from the 1980s and 1990s.This is where Miter steps in. We harness the power of AI and integrated payment solutions to reconstruct the fundamental HR, finance, and operations systems that support our physical economy. With Miter, contractors such as Marathon Electrical, W.J. O’Neil, and Truebeck Construction are building stronger teams, managing job costs more effectively, and expediting jobsite operations.This vision resonates with many. Since our inception in 2021, we have grown to serve thousands of customers and achieved tens of millions in Annual Recurring Revenue (ARR), positioning us among the fastest-growing vertical software companies in history. To amplify our progress, we have secured over $50 million in funding from top-tier investors like Bessemer, Coatue, and Battery, who share our vision for the future.Hybrid vs. Remote Approach:We believe the real magic of Miter happens when we collaborate in person. However, we also value flexibility. For roles designated as hybrid, we encourage working in the office three days a week to foster connections, brainstorming, and stronger relationships. If you reside within a reasonable commuting distance to our offices in New York City or San Francisco, we request adherence to this hybrid model.For positions classified as remote or in locations without an office, there is no obligation to follow the hybrid model. We do arrange travel for onboarding and company or team-specific events a few times a year!About the Team and How We Work:Creating the operating system for the built environment is a significant challenge. We need to deliver a substantial amount of high-quality code in the years ahead, and to achieve this, we are cultivating an engineering culture focused on craftsmanship, ownership, and excellence.

Join our dynamic team at Atlas as a Software Engineer in the vibrant city of San Francisco! We are looking for a passionate and innovative individual who thrives in a collaborative environment. As a Software Engineer, you will be responsible for developing cutting-edge software solutions that drive our mission forward.Your role will involve working closely with cross-functional teams to design, implement, and maintain software applications, ensuring they meet both functional and non-functional requirements. If you have a strong background in programming and a desire to work on impactful projects, we want to hear from you!

About the Role sesame is hiring a Software Engineer in San Francisco. This role focuses on building and maintaining software applications that improve user experience and support business goals. The team values collaboration and creative problem-solving. What You Will Do Design and implement software features and applications Maintain and improve existing codebases Work closely with teammates to solve technical challenges Location This position is based in San Francisco.

Join Metriport, a cutting-edge technology company based in San Francisco, as a Software Engineer. In this dynamic role, you will be responsible for developing innovative software solutions that enhance our product offerings. Collaborate with a team of skilled engineers to design, implement, and maintain high-quality software systems. If you are passionate about coding and eager to make a significant impact in the tech industry, we want to hear from you!

Join Paraform, a leading recruiting platform that empowers top-tier recruiters to accelerate the hiring process for critical roles. Our platform has enabled notable companies such as Shopify, Palantir, Coinbase, Decagon, and Ramp to streamline their talent acquisition efforts.We are actively seeking a product-focused Software Engineer who is passionate about transforming the recruiting industry. This role presents an exciting opportunity to influence the vast resources allocated to staffing and recruitment annually, estimated in the hundreds of billions.As a member of our team, you will have end-to-end ownership of projects, utilizing one of the most valuable data sets in recruiting to tackle hiring challenges at scale. Your contributions will have a substantial impact on the lives of millions and will help redefine industry standards worldwide.Here are some intriguing challenges you will address:Develop intelligent algorithms for matching millions of candidates with companies using our proprietary data sources.Design innovative monetary and social incentives to enhance recruiter performance and earnings.Create essential tools for recruiter workflows that facilitate precise candidate matching (including AI notetakers, email sequencing tools, and browser extensions).Establish a new standard for how candidates discover their ideal jobs through recruiters, laying the groundwork for the next LinkedIn.Explore inventive strategies for increasing marketplace liquidity in emerging fields such as Legal, Finance, and Healthcare.About Paraform:Paraform is on a mission to modernize the fragmented hiring landscape, partnering with industry leaders like Cursor, Palantir, Windsurf, Decagon, Shopify, Coinbase, and Hightouch to attract world-class talent. Our rapid growth has seen us achieve an impressive 8× increase in revenue last year.As the first comprehensive AI recruiting marketplace, we connect companies with thousands of specialized recruiters and AI agents, ensuring a faster and more accurate hiring process.Our goal is to make hiring efficient, reliable, and scalable for every organization globally.

Senior Software EngineerEngineeringProlific is at the forefront of AI innovation, crafting the essential human data infrastructure that is transforming the AI development landscape. In an era where foundational AI technologies are becoming increasingly common, it is the quality and diversity of human-generated data that sets apart leading products and models.The roleWe seek impact-driven Software Generalists to join our expert team dedicated to supporting frontier model creators and enterprise AI application developers. As a full-stack engineer, you will collaborate across Prolific’s various domains to address customer and product challenges.This position offers an exhilarating chance to engage directly with pioneering AI companies, making vital technical decisions that balance agile startup execution with scalable, reliable engineering practices, as Prolific transforms research within the AI community. You will regularly collaborate in person with customers and our US team, while also working closely with our technology teams based in the UK.What you’ll bring to the roleOver 4 years of experience in a product engineering roleAbility to translate business concepts into effective software modelsCapacity to quickly learn and adapt across the breadth of Prolific’s domainsExperience working with both monolithic and distributed systemsExcellent communication and collaboration skills for direct customer interactionStrong understanding of modern web applications and architecture design patternsExperience in supporting applications within production environmentsSound judgment in technical decisions

At Comulate, we're revolutionizing the insurance back office through the power of artificial intelligence. Our innovative platform is designed to streamline costly and labor-intensive accounting processes, marking a pivotal step in our mission to unlock the vast capital tied up in manual insurance operations. Following our Series B funding announced in early 2025, led by BOND & Workday, we are poised for record growth and ambitious expansion plans.

Join Juicebox as a Software EngineerAt Juicebox, we are dedicated to empowering teams to overcome the challenges of talent acquisition.In today’s AI-driven world, human creativity is a priceless asset. In the competitive recruitment landscape, it's crucial to be proactive.Our platform is trusted by innovators at Ramp, Perplexity, and top AI laboratories, alongside over 3,000 clients ranging from dynamic startups to Fortune 500 giants.With a remarkable growth trajectory, having surpassed $10M in ARR with over 20% monthly growth, Juicebox is recognized as one of the fastest-expanding AI SaaS companies globally.We have successfully secured $36M in funding, including a notable $30M Series A led by Sequoia Capital, with participation from Coatue, NFDG, Lux Capital, Y Combinator, and BOND Capital.Your Role: As a Software Engineer, you will significantly influence our engineering strategies, collaborating closely with founders on critical inquiries such as:How can we enhance the ranking of profile results?What innovative filters or data sources can we integrate into our search engine?How can we ensure an exceptional user experience within the first five minutes of joining Juicebox?You will be responsible for designing, developing, and deploying product features end-to-end, many of which will leverage Large Language Models (LLMs).Recent initiatives have included fine-tuning models to extract pertinent insights from user profiles and establishing feedback loops to enhance search queries.Our technology stack features Next.js + React, Node.js, OpenSearch (Elasticsearch), AWS SQS, Spark, and various inference providers and LLMs.About YouYou have experience building projects from the ground up—whether a startup, significant project, or feature.You thrive in fast-paced environments and take ownership of your projects.You are hands-on, swift in execution, and learn best through practical application.You have demonstrated excellence in your education, work history, or in projects you've undertaken.You are willing to take calculated risks.You possess familiarity with our core technology stack: Next.js, AWS, etc.

Join Our Innovative TeamAt Tonic, we are a dedicated group of creators who believe in connecting individuals through the joy of music, celebrating progress, and sharing experiences along the artistic path. Our team is diverse and spread across various locations, and we are committed to fostering an inclusive and equitable workplace for individuals from all backgrounds. We strongly encourage applications from underrepresented communities, including women, people of color, and LGBTQ individuals.If you think you could be a great fit for this role, even if you don’t perfectly match every criterion, we want to hear from you. Your unique skills may be exactly what we are looking for.Core Values• You thrive in a high-responsibility environment.• You are deeply committed to personal growth and self-reflection.• You treat your colleagues with kindness and celebrate their successes.• Your curiosity drives you to explore and learn continuously, fascinated by the motivations of others.• You value the human aspect of technology and aim to enhance it.What We’re Looking For• 5+ years of experience in high-growth startups, consumer products, or social applications.• Proficiency in React Native, Typescript, and Firebase.• A product and design-oriented mindset.• A desire to learn and explore new areas of the tech stack.• An open mind to new ideas and emerging technologies.• Bonus: Experience with or learning a musical instrument is a plus!Your Role• Engage with our current codebase, infrastructure, and team processes.• Collaborate with the Design Team to prioritize and implement designs effectively.

At Magic, we are on a mission to develop safe AGI that propels humanity's progress in addressing the world's most significant challenges. We believe that automating research and code generation is the most promising pathway to achieving safe AGI, enabling us to enhance models and address alignment issues more reliably than humans can achieve alone. Our innovative approach integrates frontier-scale pre-training, domain-specific reinforcement learning, ultra-long context, and inference-time computing to realize our vision.About the RoleAs a Software Engineer at Magic, you will engage in developing core systems and product surfaces that directly influence model capabilities and enhance user experience.This position can align with areas such as Pre-training Data, RL Research & Environments, or Product Development, depending on your background and expertise. Regardless of placement, you will be expected to take full ownership of your work: identifying problems, crafting solutions, deploying to production, and iterating based on real-world results.Working with Magic's long-context models presents unique technical challenges, including large-scale data acquisition, long-horizon post-training loops, and developing product workflows that make complex model behaviors understandable and manageable. You will work closely with these constraints, creating systems that are both technically sound and production-ready.This role has the potential to evolve into a deeper specialization in data systems, post-training capability enhancement, or product engineering leadership based on your strengths and interests.What You'll Work OnDepending on your team assignment, your tasks may include:Developing and scaling large distributed data pipelines for pre-trainingDesigning filtering, mixture, and dataset versioning systemsCreating post-training datasets, evaluation frameworks, and reward pipelinesConducting ablations that translate capability goals into quantifiable improvementsBuilding comprehensive product interfaces that integrate seamlessly with the modelDesigning APIs, backend services, and frontend workflows for AI-first experiencesEnhancing the reliability, observability, and performance of production systemsWhat We’re Looking ForSolid foundation in software engineering principlesHigh ownership and comfort in navigating ambiguous problem domainsProven experience in building scalable production systemsAbility to reason through complex technical challenges

At PermitFlow, we are revolutionizing the construction industry through innovative applied AI solutions. Our mission is to tackle the significant challenges that builders face in understanding what can be built, where, and how. By leveraging our AI-driven workforce, we empower some of the fastest-growing construction firms to efficiently manage everything from permitting and licensing to inspections and project closeouts, thereby accelerating development in housing, clean energy, and infrastructure across the nation.Despite being a $1.6 trillion sector, the construction industry is plagued by delays, inefficiencies, and missed opportunities. PermitFlow has already transformed over $20 billion in development projects, providing unprecedented speed, accuracy, and visibility that enables contractors to minimize compliance time, mitigate risks, and scale confidently.As the U.S. embarks on a new capital expenditure supercycle impacting data centers, factories, housing, and renewable energy, your role at PermitFlow will be pivotal in constructing the AI infrastructure that underpins every construction project, driving the next wave of reindustrialization.We are proud to have raised over $90 million, recently completing our Series B round with support from premier investors such as Accel, Kleiner Perkins, Initialized, Y Combinator, Felicis, and Altos Ventures, alongside influential figures from OpenAI, Google, Procore, ServiceTitan, Zillow, PlanGrid, and Uber.This position requires a hybrid work schedule in San Francisco, with 3 in-office days each week.

Merge is at the forefront of providing cutting-edge agentic tools and customer-facing integrations tailored for advanced LLMs, Fortune 500 companies, and B2B SaaS solutions. Our platform features two primary offerings: Merge Unified, which allows businesses to seamlessly incorporate hundreds of integrations through a single API, and Merge Agent Handler, designed to grant AI agents secure access to a plethora of third-party tools. Our enterprise-grade platform encompasses the full integration lifecycle, from authentication and security to continuous monitoring and maintenance. Trusted by thousands of companies, Merge accelerates product development, removes sales obstacles, mitigates customer churn, and conserves engineering resources, enabling teams to concentrate on their core products. Who are we looking for?We are seeking both backend and full-stack engineers to join our two engineering teams located in San Francisco. Our Foundations team develops Merge's infrastructure to achieve unprecedented levels of scalability, performance, and reliability. Simultaneously, our Automation team leverages Applied AI and large language models (LLMs) to create innovative, externally-facing products and enhance internal efficiencies through automation, intelligent tooling, and AI-native user experiences. We are hiring for mid- to staff-level positions, with evaluations based on relevant experience and interview performance. What you will do:Engage in roadmapping and architectural discussionsWrite high-quality, production-ready, maintainable, and readable codeLead substantial projects from initial conception to productionProvide support and unblock your team consisting of engineers, designers, product managers, and business operators

Join Strala, where we are redefining the insurance industry by building innovative solutions from the ground up.In less than a year, we have achieved multi seven-figure ARR, growing at an impressive 50% month-over-month. Our funding comes from esteemed Tier 1 investors, including Peter Thiel’s Founders Fund, with leadership from early OpenAI, Cognition, and Scale AI partners. Our dynamic team includes alumni from Harvard, Berkeley, and Oxford, along with experience from leading firms such as Optiver, AMD, and Palantir.What We SeekProblem Solver - You thrive on tackling complex challenges and have a proven track record.High Agency & Ownership - You take initiative and drive projects to fruition, with bonus points if you have experience as a CTO or founding engineer.Proven Builder - Minimum of 2 years in backend development using Python and a history of delivering production-ready code swiftly.Core System Design - You will take ownership of our core infrastructure, including databases like PostgreSQL and vector databases.Cloud Expertise - Proficient in REST, GraphQL, GCP, AWS, and Docker.Your Initial Month at StralaLaunch from Day 1 - You will deploy your code into production on your first day.Ownership - You will create specifications and independently build features.Problem Solver - You will hire your next teammate, design core infrastructure, and scale our existing codebase.Our ValuesAmbition: We aim to excel and be the best in our field.Performance: We value speed, systemic thinking, and efficiency.Ownership: We take responsibility when we identify a problem and work to solve it.Spirit: We foster clarity, optimism, and meritocracy.What We OfferImpact - Play a key role in shaping our company, transforming an industry, and making your code resonate with millions.Intensity - Engage with complex challenges, ownership, and in-person collaboration in SF.Reward - Work on engaging projects with competitive salaries and equity in the top quartile.Team - Join a competitive and driven team that pushes each other to excel.