Lead Software Engineer at Boomtrain | San Francisco

Join our dynamic and fast-paced team as a Sales Development Representative at Boomtrain, where you will hone your sales, marketing, and business development skills. In this exciting role, you will identify and engage new client opportunities within leading content publishers and e-commerce companies. Collaborate with our sales and marketing teams to enhance outreach strategies and maximize revenue potential. At Boomtrain, a rapidly growing tech company, your contributions will yield immediate results and opportunities for exponential growth.Key Responsibilities:Conduct thorough research on accounts, identify key stakeholders, and create targeted outreach campaigns.Oversee the work of virtual assistants to assist with account sourcing.Analyze data to optimize lead generation processes, ensuring a robust sales pipeline.Utilize Salesforce and Yesware for managing and prioritizing initial client outreach.Support Sales and Marketing teams in lead nurturing and building strong relationships.Meet or surpass weekly and monthly targets for converting qualified leads.

Join our dynamic Personalization team at Boomtrain as a Machine Learning Engineer. We are in search of a skilled engineer who will play a pivotal role in developing and enhancing our recommendation systems that cater to a variety of customers.In this role, you will collaborate with a talented team dedicated to designing and implementing innovative models and systems that deliver personalized recommendations. You will have the opportunity to work on complex engineering challenges and contribute to generating hundreds of millions of recommendations daily.This position offers a unique chance to engage in end-to-end project work and make a significant impact on our personalization initiatives.Key Responsibilities:Research and propose advanced recommendation and optimization models to enhance our personalization systems.Develop and maintain offline model generation pipelines.Design and maintain online recommendation serving systems.

As a Client Relationship Manager at Boomtrain, you will:Establish and nurture high-value, consultative relationships with our clients.Champion the Boomtrain product suite, providing comprehensive training and support to ensure customers maximize their usage.Proactively identify opportunities to expand customer engagement and introduce additional Boomtrain solutions.Achieve and maintain a 100% renewal rate by ensuring client satisfaction and success.Foster a vibrant community of customers who exchange best practices and thrive in the Boomtrain ecosystem.Enhance the performance of our Relationship Management team through improved collaboration and operational efficiencies.Oversee project timelines with the Solutions team for seamless onboarding and consistently exceed customer KPIs.Address and resolve client issues promptly by coordinating with Boomtrain Solutions and Technical Support teams.

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.

About UsFlowGen Labs is a dynamic startup located in the San Francisco Bay Area, fully funded by top-tier investors. We specialize in creating innovative developer tools and AI-driven platforms tailored for complex enterprise software solutions, including code generation, workflow automation, and enterprise-grade deployments. Join our exceptional founding team and take on a pivotal technical leadership role that offers significant equity and the potential for substantial growth, all at the forefront of ERP and AI technology.Role SummaryAs the Software Engineering Lead, you will be responsible for defining architecture, setting standards, and delivering comprehensive solutions from inception to deployment. This hybrid role combines core platform design in cloud environments (AWS/Azure) with hands-on, client-facing delivery. You will spearhead projects involving Node.js services, AI and agent workflows, and integrations with enterprise systems, ensuring high quality and reliability in all outputs.Expertise in Cloud and Systems Design, focusing on secure, scalable systems that incorporate networking, autoscaling, and multi-tenant architectures. Proficiency in Infrastructure as Code utilizing Terraform or CDK, coupled with strong observability practices using metrics, tracing, logs, and SLOs.Application Engineering skills, with robust knowledge in Node.js and TypeScript for APIs and services. Experience with PostgreSQL and familiarity with vector databases such as pgvector, Pinecone, or Milvus for retrieval and semantic search.Experience in orchestrating agentic workflows and retrieval-augmented generation. Knowledge of LangGraph is advantageous.DevOps and Delivery expertise, embracing solid engineering practices such as CI/CD using GitHub Actions or GitLab CI, automated testing, code reviews, and trunk-based development. Proficient with Docker and modern release management techniques.Hands-on experience with AI tools, bringing innovative ideas for applying AI in development, testing, data handling, and support.A strong ownership mentality, excellent communication skills, and the ability to make informed decisions with 80% of the necessary information.The ability to move quickly without compromising quality, a willingness to learn new technology stacks, and a proactive problem-solving attitude.Why Join UsMake a direct impact on product and company direction with minimal bureaucracy.Join a team that holds a high standard for craftsmanship, speed, and pragmatic delivery.LogisticsTotal compensation ranges from $240,000 to $400,000.Base salary is between $160,000 and $250,000, complemented by significant founding equity.This position requires in-person attendance in the San Francisco Bay Area.Visa support and sponsorship are available.

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

About ChalkChalk is revolutionizing the data infrastructure that underpins machine learning applications. We dismantle complexity, minimize latency, and eliminate scalability hurdles that have historically limited ML functionalities. Our platform melds the speed of Rust with intuitive tools that developers find highly engaging. Industry leaders rely on Chalk for a multitude of solutions, including preventing fraudulent credit card transactions, confirming identities, and enhancing clean energy utilization. Recently, we secured a $50 million Series A funding round, spearheaded by Felicis.About the RoleWe are on the lookout for talented Software Engineers to become part of our dynamic team. This is a unique chance to join as an early team member in a high-growth startup environment and make a significant impact. You will engage with complex engineering challenges with substantial autonomy and responsibility.The ideal candidate will possess a robust foundation in systems engineering. At Chalk, we tackle problems rooted in DBMS query planning & optimization, compiler design, and distributed analytical data processing systems.Our team uses both dynamic and static analysis techniques for optimizing user Python code, orchestrating the infrastructure that the code implies, and tracking the data flow metadata throughout our systems.Our team operates in the office five days a week. While we remain flexible for unavoidable conflicts, please note this is not a hybrid position.Your ResponsibilitiesCollaborate directly with Chalk’s co-foundersWrite code in Python and RustDesign, implement, deploy, and maintain key components of our query planning and execution engineRapidly iterate to enhance Chalk’s platform based on user feedbackYour QualificationsMinimum of 2 years of professional backend software engineering experienceSolid understanding of computer science fundamentals; we value experience building and maintaining real systems over algorithmic challengesAbility to lead the development of new components in existing systems and take full ownership of your work

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!

About KiddomKiddom is an innovative educational platform dedicated to fostering student equity and growth by seamlessly integrating high-quality instructional materials with engaging digital learning. Our comprehensive curriculum management tools empower schools and districts to take charge of their curriculum, creating customized learning experiences that align with the distinct needs and aspirations of local communities. By providing robust insights for teachers and leaders, Kiddom drives continuous improvement in instructional decisions, school programming, and professional development.We are on a mission to revolutionize education through the power of technology. Our goal is to create a holistic platform that supports educators and learners alike with state-of-the-art tools and data-driven insights. We are seeking a skilled Staff Software Engineer to join our team and spearhead the architecture and development of scalable, frontend-focused solutions.As a Lead Software Engineer - Frontend at Kiddom, you will be instrumental in designing and delivering comprehensive product features with a strong focus on frontend architecture. Your role will involve scoping, building, and optimizing product features and addressing complex challenges at scale. You will work collaboratively with other senior engineers, select the most suitable tools and technologies, and implement robust, production-grade software solutions.Note: Please complete the application questions in full. Failure to do so will result in automatic disqualification.

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 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 product integrates fintech and artificial intelligence into construction workflows, enhancing everything from project estimations to bill payments and expense management. This approach not only boosts efficiency but also enables a greater number of projects to commence successfully.Backed by renowned investors like Accel, Zigg, and Susa, our dynamic team operates from a stunning office in San Francisco’s Financial District. Our members hail from prestigious companies such as Stripe, Pipe, Traba, and Fieldwire.