Senior Software Engineer Machine Learning Jobs

About Us At LangChain, our mission is to make intelligent agents ubiquitous. We build the foundation for agent engineering in the real world, helping developers move from prototypes to production-ready AI agents that teams can rely on. We began as widely adopted open-source tools and have grown to also offer a platform for building, evaluating, deploying, and operating agents at scale. With $125M raised at Series B from IVP, Sequoia, Benchmark, CapitalG, and Sapphire Ventures, we’re at a stage where we’re continuing to develop new products, growth is accelerating, and all team members have meaningful impact on what we build and how we work together. LangChain is a place where your contributions can shape how this technology shows up in the real world. Today, our platform includes LangSmith (Observability, Evaluation, Deployment, Fleet, and Sandboxes), our open source frameworks (LangChain, LangGraph, and Deep Agents), and the newly launched LangSmith Engine for autonomous agent improvement. We have 100M+ monthly open source downloads, 6,000+ active LangSmith customers, and 5 of the Fortune 10 use LangSmith in production (+ 35% of the Fortune 500 overall), including teams at Klarna, Clay, Coinbase, Workday, Lyft, Cloudflare, Harvey, Rippling, Vanta, LinkedIn, Monday.com, Nvidia, and Bridgewater. About the role: This position can be based remotely in We’re looking to bring on an experienced frontend engineer to develop and enhance new features on LangSmith, our enterprise platform product for LLM application observability, testing, and debugging. What You Will Do Develop new user-facing features using React & Typescript Build reusable components and front-end libraries for future use Translate designs and wireframes into high-quality code Optimize components for maximum performance across a vast array of web-capable devices and browsers Collaborate with fullstack and backend developers and UX/UI designers, to enhance usability What You Will Bring Extensive front-e

About Snorkel Snorkel AI is the frontier AI data lab, helping teams build the data and environments behind high-performing frontier and agentic AI. We combine technology with research-driven AI data development to create datasets, benchmarks, evals, and custom solutions for real-world AI systems. Founded out of the Stanford AI Lab in 2019, Snorkel works with leading AI labs and enterprises to move from better data to better outcomes. Excited to help us redefine how AI is built? Apply to be the newest Snorkeler! Senior Director, Corporate Legal (AGC) What You’ll Do Snorkel AI is looking for a Senior Director, Corporate Legal (AGC) to join our growing Legal team, reporting to Snorkel’s General Counsel. This is a highly visible role with broad ownership across corporate transactions, governance, equity, entity management, and international expansion. As the first person in this role, you will help build and scale the corporate legal function for the next stage of Snorkel’s growth. You’ll work closely with Finance, People, executive leadership, and outside counsel, combining sophisticated corporate legal work with the hands-on operational work required in a fast-growing technology company. This hybrid role is based in San Francisco or New York City. Responsibilities Lead private company financings, secondary transactions, M&A, strategic investments, and other corporate transactions from structuring through closing. Support the General Counsel on Board and committee matters, including Board reporting, meeting materials, resolutions, minutes, governance matters, and transaction approvals. Manage legal aspects of fundraising, investor diligence, shareholder matters, and ongoing corporate governance. Own legal oversight of Snorkel’s equity plans and equity administration, including grants, exercises, transfers, approvals, and related documentation. Help ensure the integrity of Snorkel’s cap table and capitalization records in close coordination with Finance, Peopl

At ClickUp, we're building the future of work: the first truly converged AI workspace unifying tasks, docs, chat, calendar, and enterprise search, all supercharged by context-driven AI. We are an AI-native company. Every team member is expected to leverage AI daily, and we evaluate AI fluency as part of our hiring process. Join us and help redefine what's possible. 🚀 Come lead the Identity & Access Management Platform team (IAM Platform) — the foundational layer that decides who can see and do what across all of ClickUp. This team owns the authorization engine, the permission and role model, authentication (SSO, MFA, SCIM, OIDC), sharing primitives, audit logs, and the core data model and APIs that define how customers' work is organized and nested across the product — the foundation every other part of ClickUp is built on. It is backend-heavy, high-blast-radius work. As we move upmarket, this is some of the most important and security-sensitive work we do — enterprises decide whether they can trust us based on how precise, predictable, auditable, and manageable our access controls are. We're looking for a Senior Engineering Manager to lead and grow this team. Your mandate is twofold: deliver an enterprise-grade access management platform — extensible, configuration-driven, correct and auditable by design — and build the team that will carry it , hiring and developing engineers as we invest heavily in enterprise. You'll raise the access, identity, and admin capabilities enterprises depend on to an enterprise-grade standard and keep them there, partnering with a Staff engineer on technical direction while you own delivery, people, and priorities. Just as important: you'll run this team the way ClickUp runs — AI-native . We structure work so AI agents can read it, route it, roll it up, and report on it, so a small team amplified by agents operates at a different scale. There are no status-reporting meetings; agents keep status, progress, and health current from r

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. . Hiring and how we work We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. . See yourself at Twilio Join the team as Twilio’s next Senior Telecom Billing Specialist. About the job This position will be responsible for working constructively with our customers and partners to resolve billing issues and fraudulent misuse of services. We are seeking a sharp, highly data-oriented, and tenacious Telecom Billing Specialist to join our team. Unlike a traditional billing or collections role focused on routine outreach or simple invoice review, this position is a hybrid of financial investigation, root cause analysis, and strategic dispute negotiation. In this role, you will look for billing discrepancies, investigate Artificially Inflated Traffic (AIT) or IRSF (International Revenue Share Fraud), dig deep into messaging and call data, project manage high-value customer and vendor disputes, and build data-backed cases to resolve discrepancies. You will build dashboards to communicate key metrics and drive action. If you love solving complex data

Gong harnesses the power of AI to transform how revenue teams win. The Gong Revenue AI Operating System unifies data, insights, and workflows into a single, trusted system that observes, guides, and acts alongside the world’s most successful revenue teams. Powered by the Gong Revenue Graph, AI-powered intelligence, specialized agents, and trusted applications, Gong helps more than 5,000 companies around the world deeply understand their teams and customers, automate critical sales workflows, and close more deals with less effort. For more information, visit www.gong.io. At Gong, you will join a company built on innovative products, ambitious goals, and passionate people. We are shaping the future of revenue intelligence and we want people who are excited to build what comes next. You will work with a team that dreams big, moves fast, and cares deeply about the craft and about each other. Here, transparency and trust are core to how we operate, and every person has the opportunity to make a visible impact. If you want to grow, stretch, and do work that truly matters, Gong is the place to do the best work of your career. As a Senior Data Scientist on the AI Research & Reliability team, you will be a driving force in shaping the future of Gong AI. You will act as a technical leader, working with cutting-edge LLMs, NLP, and machine learning to tackle our most ambiguous and complex customer problems. Working alongside Product, Engineering, and Data Scientist, you will spearhead the architecture, evaluation, and deployment of enterprise-grade AI capabilities at scale, while elevating the technical standards of the team. You'll Own The AI Technical Strategy: Lead the AI product lifecycle by partnering deeply with Product and Engineering to translate complex business needs into scalable, state-of-the-art AI solutions. Define the overarching AI approach, agent architectures, success metrics, and long-term technical vision before implementation. Advanced Agentic Sys

At Trustpilot, we're on an incredible journey. We're a profitable, high-growth FTSE-250 company with a big vision: to become the universal symbol of trust. We run the world's largest open customer review platform, and while we've come a long way, there's still so much exciting work to do. Come join us at the heart of trust! As a Senior Solutions Engineer, you are a commercially minded technical specialist working as a strategic co-pilot alongside New Business Account Executives and Account Managers .Your primary mission is to drive revenue growth, accelerate deal velocity, and ensure technical win rates across active sales opportunities. You bridge the gap between complex technical capabilities and strategic business outcomes, translating Trustpilot's value proposition into compelling commercial solutions for upper mid-market and enterprise companies that instill technical confidence and convert prospects into long-term customers. You partner closely with sales teams during technical discovery to uncover high-value business challenges, map customer requirements to clear commercial outcomes, and drive Annual Contract Value (ACV) growth. This is a high-impact, customer-facing role that combines technical expertise with commercial influence. Success is measured by deal conversion rates, technical win rates, and the quality of handover to implementation. What you’ll be doing: Commercial Discovery & Strategy: Partner closely with Account Executives to uncover high-value business challenges, identify key technical decision-makers, and map customer requirements to clear commercial outcomes. Value-Driven Demonstrations: Deliver tailored, highly engaging product demonstrations that highlight ROI, competitive differentiation, and business impact to align with client commercial goals. Solution Architecture & Revenue Generation: Design and present scalable solution architectures that solve key business pain points, drive expansion, and maxi

At Trustpilot, we're on an incredible journey. We're a profitable, high-growth FTSE-250 company with a big vision: to become the universal symbol of trust. We run the world's largest open customer review platform, and while we've come a long way, there's still so much exciting work to do. Come join us at the heart of trust! As a Senior Solutions Engineer, you are a commercially minded technical specialist working as a strategic co-pilot alongside New Business Account Executives and Account Managers .Your primary mission is to drive revenue growth, accelerate deal velocity, and ensure technical win rates across active sales opportunities. You bridge the gap between complex technical capabilities and strategic business outcomes, translating Trustpilot's value proposition into compelling commercial solutions for upper mid-market and enterprise companies that instill technical confidence and convert prospects into long-term customers. You partner closely with sales teams during technical discovery to uncover high-value business challenges, map customer requirements to clear commercial outcomes, and drive Annual Contract Value (ACV) growth. This is a high-impact, customer-facing role that combines technical expertise with commercial influence. Success is measured by deal conversion rates, technical win rates, and the quality of handover to implementation. What you’ll be doing: Commercial Discovery & Strategy: Partner closely with Account Executives to uncover high-value business challenges, identify key technical decision-makers, and map customer requirements to clear commercial outcomes. Value-Driven Demonstrations: Deliver tailored, highly engaging product demonstrations that highlight ROI, competitive differentiation, and business impact to align with client commercial goals. Solution Architecture & Revenue Generation: Design and present scalable solution architectures that solve key business pain points, drive expansion, and maxi

Who We Are At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people. We’re helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in building something meaningful and having fun while doing it, we’d love to hear from you. We're united by shared goals and shared motivations at Justworks. These are best summed up in our company values, which are reflected in our product and in our team. Our Values If this sounds like you, you’ll fit right in. Who You Are You have a passion for HR and a people-first mindset. You are committed to delivering outstanding employee experiences through responsive and compassionate interactions with all levels of employees and management. You are a proactive and detail-oriented team player where no task is too small for you. You can effectively manage your time and focus on ensuring data integrity and accuracy for your projects. You can be vigilant in maintaining confidentiality and discretion at all times. As part of Justworks, the People Systems team is charged with delivering an amazing employee experience and ensuring our People & Talent systems, tools and processes support our growing people and business needs. You will be an integral part of Justworks’ growth and success by supporting and building HR systems, processes and ensuring they are documented and compliant, driving efficiency and solutions for the team and business. You will serve as a key point of contact for the organization’s HR systems questions and/or concerns. Your Success Profile Support cross functional projects across all Workday functional areas (Core HCM, Benefits

Who We Are At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people. We’re helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in building something meaningful and having fun while doing it, we’d love to hear from you. We're united by shared goals and shared motivations at Justworks. These are best summed up in our company values, which are reflected in our product and in our team. Our Values If this sounds like you, you’ll fit right in. Who You Are You have a passion for HR and a people-first mindset. You are committed to delivering outstanding employee experiences through responsive and compassionate interactions with all levels of employees and management. You are a proactive and detail-oriented team player where no task is too small for you. You can effectively manage your time and focus on ensuring data integrity and accuracy for your projects. You can be vigilant in maintaining confidentiality and discretion at all times. As part of Justworks, the People Systems team is charged with delivering an amazing employee experience and ensuring our People & Talent systems, tools and processes support our growing people and business needs. You will be an integral part of Justworks’ growth and success by supporting and building HR systems, processes and ensuring they are documented and compliant, driving efficiency and solutions for the team and business. You will serve as a key point of contact for the organization’s HR systems questions and/or concerns. Your Success Profile Support cross functional projects across all Workday functional areas (Core HCM, Benefits

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. Snowflake is looking for a Senior Solution Engineer already based in or commutable to Zurich to solve our Swiss customers' most complex challenges. In this role you will work directly with the account sales team and channel partners to understand the needs of our customers, strategize on how to best support them in their evaluation and ultimately help our customers choose Snowflake as their solution. As a Snowflake Solution Engineer you share our passion for solving complex data challenges and helping organizations to get the most out of their data assets. Our technical landscape is ever evolving and you are keen to learn new skills and put them into practice on real world challenges. You are able to translate features and functions into solutions that solve business problems, in conversations with technical or business teams, with end users or executives. In this role you will get to: Present Snowflake’s technology and vision to executives and technical contributors at prospects and customers Work hands-on with prospects and customers to demonstrate and communicate the value of Snowflake technology throughout the sales cycle, from demo to proof of concept to design and implementation Create and develop technical champions in your accounts to drive deals and achieve a techn

As a Senior Enterprise Sales Engineer, you’ll serve as a trusted technical advisor and strategic partner to both customers and Sales. You’ll lead complex technical evaluations, align solutions to business outcomes, and help shape deal strategy in high-impact opportunities. This role goes beyond delivering demos - you’ll own the evaluation experience end-to-end, influence key stakeholders, and help drive successful outcomes across enterprise accounts. What You’ll Do: Own the technical strategy across your accounts as a peer to the Account Executive - a standing weekly 1:1 with each AE you support, and a standing weekly account team call with the full ecosystem where you carry POV status, technical blockers, and the explanation behind any usage movement. Own the technical explanation behind consumption movement in your accounts. Work with the CSM and TAM to separate legitimate growth from misconfiguration, make sure legitimate growth gets quantified before renewal, and flag forward-looking usage the customer has signalled rather than explaining it backwards a month later. Lead discovery in every meeting, not only in discovery meetings - including meetings where you were invited to present. Leave each meeting knowing something about their business you did not know going in. Deliver engaging product demos, technical presentations, solution workshops, etc. that connect platform capabilities to customer outcomes for diverse stakeholder audiences including executives Full ownership of the technical evaluations (POVs) end-to-end: scoping use cases and requirements, defining competitive success criteria, building a project plan with clear timelines, and holding all participants accountable to the process Identify, develop, and leverage technical champions across multi-stakeholder environments, building a structured plan for champion cultivation and influence throughout the deal cycle and beyond Contribute to product direction through active participation in structured

About Comfrt Comfrt is one of the fastest-growing direct-to-consumer apparel brands, redefining what comfort means through elevated essentials designed for everyday life. Our mission goes beyond clothing—we are building a global community centered around comfort, confidence, mental wellness, and inclusivity. About the Role As Comfrt continues to expand across retail, wholesale, and experiential channels, we are seeking a strategic and commercially minded Senior Director of Retail Marketing to lead our physical brand experience. This role will own the strategy and execution of Comfrt’s retail marketing ecosystem, including store launches, retail experiences, wholesale partnerships, local market activations, and customer engagement initiatives. Working cross-functionally with Brand, Creative, Retail Operations, Merchandising, Marketing and Growth teams, you will develop scalable retail marketing strategies that strengthen brand awareness, drive traffic and revenue, and support Comfrt’s continued expansion. Key Responsibilities Retail Marketing Strategy Develop and execute Comfrt’s retail marketing strategy, ensuring alignment with the company’s overall brand and business objectives. Translate seasonal campaigns, product launches, and curated brand moments into impactful retail experiences across new stores, pop-ups, and future retail formats. Establish scalable retail marketing frameworks, playbooks, and brand standards that ensure consistency across all physical touchpoints. Partner with cross-functional teams to create integrated omnichannel campaigns that connect physical and digital customer experiences. Lead full funnel marketing initiatives to drive traffic and sales for retail stores - including localized digital and paid media campaigns, in store and community events, influencer and creator partnerships, and affiliate programs - in partnership with the Growth, Social, and CRM teams. Store Openings & Market Expansion Lead marketing strategy for new store op

Join Truecaller – The place where innovation meets impact! Truecaller's mission is to build trust in communication by making it safer, smarter, and more efficient. Born in Sweden, trusted by the world, and here’s why we stand out: We are trusted by over 500 million active users every month across 190+ countries We identify over 15 billion calls daily, helping users avoid spam and scams We are powered by a team of 400+ employees from 45+ nationalities We always look for people who take initiative, own their work, and keep raising the bar. An entrepreneurial mindset matters here, especially when it turns bold ideas into real actions. We stay collaborative and focused, always searching for smarter paths forward. If you want to make an impact and grow with a team that inspires millions, you’ll fit right in. The role: As a Senior Product Manager, you own the roadmap across several monetization surfaces at once, translate business goals from commercial, growth, and premium stakeholders into ML product bets, and decide where a specialized engineering and data science team spends its time. You will work close to the metal - experiments, ranking metrics, revenue per impression, conversion funnels - and close to the top - steering-committee roadmaps and quarterly commitments. What you'll do: Own the product roadmap for the Recommendations portfolio across Ads, Business Messaging, Premium and Growth - one coherent strategy across surfaces that today compete for the same models, data and engineers. Turn commercial targets into ML product work: define the opportunity, size it, frame the hypothesis, and prioritize it against everything else the team could ship. Drive the experimentation cadence end to end - hypothesis, A/B design, guardrail metrics, readout, ship/kill decision - and keep the bar high on what counts as a win. Partner daily with engineering, data science and analytics in Stockholm, and with commercial, sales and growth stakeholders across Stockholm and Bangalore. O

Job Overview We are looking for a Senior Performance QA Engineer with experience in GameDev to join our World of Warships PC team. This position is open in our Belgrade or Nicosia office . In this role, you’ll focus on performance testing and automation, helping us identify performance bottlenecks and ensure a smooth and stable experience for our players. You’ll work closely with QA and development teams to investigate, analyze, and improve game performance. If you’re enjoy sharing your expertise and learning from others, and want to contribute to the quality of a large-scale PC game, we’d love to hear from you. Reports to Lead Automation QA Engineer What will you do? Develop and maintain automated tests for functional, performance, and stability testing on Python Develop and maintain core functionality of the automation framework Analyze automated test results and investigate failures Performance testing and profiling of game client and backend services Maintain documentation for existing automated tests, frameworks, and tools Collaborate with other teams and provide support based on automated test results Participate in the development and maintenance of CI/CD pipelines and related tools Work with different teams as internal customers, understand their needs, and provide automation solutions Participate in code reviews and contribute to improving automation code quality What are we looking for? 3+ years of experience in Performance Testing or Performance QA 3+ years of experience in Automation QA or a similar position 1+ year of commercial experience in Python-based automated testing, including writing performance test suites using pytest Experience in Performance testing tools and frameworks (k6, load testing, profiling tools) Experience in analyzing and optimizing game performance (PC games) Experience with Elasticsearch for log collection and analysis Experience with CI/CD systems (Jenkins, TeamCity) Knowledge of PC architecture basics and component interaction

Company Description Novo is a venture-backed fintech that simplifies banking for small businesses. Since our Fall 2018 beta launch, we've expanded offerings from free checking accounts and debit cards to lending products, business tools (invoices, bookkeeping, and more), and integrations.Today , Novo is a powerfully simple banking platform that serves over 250,000 small businesses. In addition to providing smart tools built for entrepreneurs to better run and grow their businesses, Novo has processed billions in transactions in partnership with a number of established banking partners. Our vision is to be the go-to platform serving small businesses – from launch to everyday – so business owners can focus on growing, while Novo provides seamless money movement, money storage, and access to capital. We'd like to look back 5–10 years from now and know that we helped new generations of small businesses succeed because of the work we did at Novo. Novo raised $170 million in venture capital and is backed by leading investors, including Stripes, Valar Ventures, Crosslink Capital, and Notable Capital (formerly GGV). Learn more at https://www.novo.co . Role Description Novo is seeking a highly experienced and motivated product manager to own and scale our core banking experience — the accounts, money movement, cards, and program infrastructure that power banking for over 250,000 small businesses. This role is critical to ensuring the reliability, usability, and depth of the products at the heart of Novo, supporting our rapidly expanding customer base and business operations. The ideal candidate is a hands-on product leader who can set product direction for complex, regulated financial products, partner closely with Engineering, Design, Risk, and Compliance, and work hand-in-hand with banking partners to ship reliable, secure, high-quality experiences within a dynamic, regulated fintech environment. Responsibilities Product Strategy & Leadership Own the strategy, roadmap,