Senior Application Developer 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 Team The LangSmith team owns and builds LangChain's core platform for observability, evaluation, and production reliability of AI systems. From tracing and annotation to run rules, evaluations, and beyond, this team owns LangSmith end-to-end. If you want to define what great AI observability looks like at production scale, this is where that work gets done. About The Role This role is based onsite in Boston, MA. We are looking for a Senior Backend Engineer to join our growing engineering team in Boston. In this role you will be building the backend systems that power LangSmith, LangChain’s observability and evals platform. You will work on the core services that all

We believe that the way people interact with their finances will drastically improve in the next few years. We’re dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use. Plaid’s network covers 12,000 financial institutions across the US, Canada, UK and Europe. Founded in 2013, the company is headquartered in San Francisco with offices in New York, Seattle, Washington D.C., Raleigh, London, and Amsterdam. We are the Fraud Data team within Plaid's Fraud organization. We leverage relationships and activity across Plaid’s network to develop machine learning models that help customers detect and prevent fraud while minimizing friction for legitimate users. Our team owns the full model lifecycle, from data processing and experimentation to feature pipelines, model serving, and monitoring. In this research role, you’ll partner closely with Machine Learning Engineers and Data Scientists to uncover new signals, explore and evaluate innovative modeling approaches, and translate promising research into production-ready solutions that strengthen fraud detection across Plaid’s network. As a Senior Research Scientist, you will lead applied research to develop next-generation fraud detection models across relational graphs, sequential events, images, and video data. You’ll design rigorous experiments and evaluation methodologies that reflect real-world fraud dynamics, while exploring state-of-the-art approaches such as Graph Neural Networks and Transformer-based foundation models. In close partnership with Machine Learning Engineers, you’ll translate promising research into production-ready solu

We believe that the way people interact with their finances will drastically improve in the next few years. We’re dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use. Plaid’s network covers 12,000 financial institutions across the US, Canada, UK and Europe. Founded in 2013, the company is headquartered in San Francisco with offices in New York, Seattle, Washington D.C., Raleigh, London, and Amsterdam. The Data team within Plaid’s Fraud organization builds the machine learning systems that power Plaid’s fraud detection products, leveraging Plaid’s unique network data to identify and stop fraud before it happens. The team owns the full ML lifecycle—from feature pipelines and model training to production serving and monitoring—building reliable, scalable systems that deliver high-quality fraud detection as we grow to support hundreds of customers. As a Senior Machine Learning Engineer, you will own the development of high-performance feature computation and online inference pipelines that power production machine learning systems at scale. You’ll build robust observability, monitoring, and automated debugging capabilities, while leveraging AI-assisted tools to investigate complex system behavior and maintain high reliability. You’ll partner closely with ML Infrastructure, Data Science, and Product teams to execute critical technical initiatives and deliver scalable, high-impact ML solutions. Responsibilities: Build and scale machine learning systems that power a rapidly growing fraud detection product in a fast-paced environment. Solve complex technical challenges at the intersect

We believe that the way people interact with their finances will drastically improve in the next few years. We’re dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use. Plaid’s network covers 12,000 financial institutions across the US, Canada, UK and Europe. Founded in 2013, the company is headquartered in San Francisco with offices in New York, Seattle, Washington D.C., Raleigh, London, and Amsterdam. The Fraud Data team at Plaid builds the machine learning systems that power Plaid’s fraud detection products, leveraging insights from across Plaid’s network to help identify and stop fraud before it happens. Our team works across the full data science and machine learning lifecycle—from discovering new signals and experimenting with models to deploying and optimizing them in production. We continuously learn from real-world model performance and customer feedback to improve our systems and develop new ways to protect customers and consumers from evolving fraud threats. As a Senior Machine Learning Engineer on Plaid's Fraud Data team, you will develop models that improve fraud detection for our customers. You will identify predictive patterns in Plaid's network data and lead projects from initial experiments through model deployment and ongoing improvement. Investigate fraud patterns and model errors to identify new signals, improve detection, and expand coverage across customers and use cases. Develop training datasets and predictive features, addressing challenges such as incomplete labels, class imbalance, data leakage, and changing fraud behavior. Design, train, and tune model

CSQ427R351 At Databricks, we aim to empower our customers to solve the world's most challenging problems using the Data + AI Platform while putting trusted data and AI in the hands of every business user. As a Senior Scale Solution Engineer, you are a technical anchor for our scaled customer motion, advising customers across many stages of their lifecycle: from pre-sales evaluation through onboarding and into production. You independently take on complex engagements and build and improve AI-augmented workflows that enable the whole team to deliver high-quality guidance at scale. The impact you will have: You will ensure customers have an excellent experience by independently owning engagements across their lifecycle. You will be the go-to expert on the Databricks Data + AI Platform, owning technical direction and building reusable AI-augmented workflows. You will work directly with multiple customers concurrently and set the quality bar for the team. What we look for: Excellent communication and interpersonal skills, with the ability to assess customer needs, foster relationships, address objections, and effectively showcase the value of the Databricks platform. Undergraduate degree or higher in Computer Science, Information Systems, or similar relevant experience. 4+ years of experience in a technical role, preferably in the Data, AI, or Cloud field. Deep knowledge of at least one of the following cloud platforms, AWS, Azure, or GCP; familiarity with more than one is a plus. Knowledge of AI-driven development with programming languages like Python or SQL, including building and extending AI-augmented workflows. Understanding of the end-to-end data analytics and data engineering workflow, and their trade-offs. Excellent time management and prioritization skills. Bonus: Experience building AI tooling and automation, consulting or pre-sales, or with agentic solutions. About Databricks Databricks is the Data and AI company. More than 20,000 organizations worldwide — in

This role is responsible for managing billing processes, revenue, and payment collection by ensuring accurate and timely updates on various portals, responds to disputes, and provides detailed financial reporting. Adani Power Limited (APL): Adani Power Limited (APL), a part of the diversified Adani Group, is the largest private thermal power producer in India.We have a power generation capacity of 15,250 MW comprising thermal power plants in Gujarat, Maharashtra, Karnataka, Rajasthan, Chhattisgarh, Madhya Pradesh, and Jharkhand, and a 40 MW solar power project in Gujarat. Job Purpose: This role is responsible for managing billing processes, revenue, and payment collection by ensuring accurate and timely updates on various portals, responds to disputes, and provides detailed financial reporting. Source: Adani Group | Job ID: 58202

This role is responsible for managing billing processes, revenue, and payment collection by ensuring accurate and timely updates on various portals, responds to disputes, and provides detailed financial reporting. Adani Power Limited (APL): Adani Power Limited (APL), a part of the diversified Adani Group, is the largest private thermal power producer in India.We have a power generation capacity of 15,250 MW comprising thermal power plants in Gujarat, Maharashtra, Karnataka, Rajasthan, Chhattisgarh, Madhya Pradesh, and Jharkhand, and a 40 MW solar power project in Gujarat. Job Purpose: This role is responsible for managing billing processes, revenue, and payment collection by ensuring accurate and timely updates on various portals, responds to disputes, and provides detailed financial reporting. Source: Adani Group | Job ID: 58203

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As a Senior Professional Services Technical Architect, Security at GitLab, you'll lead the design and implementation of secure enterprise solutions for Professional Services clients across AMER. You'll assess complex security architectures, guide security tool and CI/CD migrations, including legacy tools such as Jenkins, and implement GitLab security capabilities to help customers meet compliance frameworks such as NIST 800-53, ISO 27001, and SOC 2. This role requires depth in secure reference architecture design across cloud security, identity management, vulnerability management, and deployment choices

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers. Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table. Instacart is a Flex First team There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work. Why this role is on the menu The SOX Senior Manager, Business Processes will assume ownership of the business process side of Instacart's SOX compliance program, leading risk assessments, managing control testing, and resolving deficiencies across key financial and operational processes. Reporting to SOX Compliance leadership, this role collaborates closely with accounting, finance, operations, IT, and external auditors, and serves as a trusted advisor to process owners across Revenue Operations, procurement, legal, and engineering to ensure controls are integrated into business processes and system workflows. The team is committed to developing an effective control environment that supports transparency and accountability in financial reporting, and this role will provide the thought leadership on governance, process optimization, and ris

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the Role Anthropic manages one of the largest and fastest-growing infrastructure fleets in the industry — spanning multiple accelerator families, CPU families, and clouds. The Capacity Engineering team is responsible for making sure all of our infrastructure resources are accounted for, well-utilized, and efficiently allocated. We own the data, tooling, and operational systems that let Anthropic plan, measure, and maximize utilization across first-party and third-party compute — one of the company's largest areas of spend. As the Senior Engineering Manager for Capacity Engineering, you will lead the team that builds and operates these production systems. You'll set technical direction, grow and develop a team of senior and staff-level engineers, and be accountable for the reliability and correctness of surfaces that leadership, research engineering, inference, infrastructure, and finance all depend on. This is a hands-on leadership role and will be onsite 5 days a week: we expect you to stay close enough to the systems to review designs, make sound architectural calls, and step into an incident when the team needs you — while spending most of your time on people, priorities, and cross-organizational alignment. The team's work spans three overlapping areas, and you'll be responsible for balancing investment across them as business priorities shift: Data platform — Pipelines that ingest occupancy and utilization telemetry from Kubernetes clusters, normalize billing and usage across cloud providers, and serve the BigQuery tables the rest of the org queries against. Consumers range from research engineers to finance to leadership, s

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . As a Senior Strategic Program Lead on the Strategic Programs team within Customer Experience, you'll own the customer experience strategy for Coinbase's most critical onboarding journeys: identity verification, account recovery, login, and new-user KYC. This team sits at the intersection of Product and CX, focused on turning customer friction into prioritized product work and measurable improvements. You'll partner directly with Product, Engineering, and Design to influence roadmaps with customer-grounded data, making these first-impression moments seamless. What you'll do: Own the end-to-end CX strategy and program management for Identity and Onboarding, building and operationalizing long-term plans informed by customer feedback, contact rate analysis, business priorities and market trends. Partner with Identity and Onboarding Product, Design, and Engineering teams to influence roadmaps, ensuring the experience from in-product flows through support is intentional and high-quality. Build and maintain program scorecards tracking contact rates, CSAT, automation effectiveness, and quality guardrails, using them to frame product opportunities with clear impact sizing and prioritized recommendations. Drive launch readiness for Identity and Onboarding product releases, ensuring sad path experiences are fully scoped in partnership with Product, determine instrumentation req

Pie's mission is to empower small businesses to thrive by making commercial insurance affordable and as easy as pie. We leverage technology to transform how small businesses buy and experience commercial insurance. Like our small business customers, we are a diverse team of builders, dreamers, and entrepreneurs who are driven by core values and operating principles that guide every decision we make. As a Senior Manager, Operations, you will play a central role in building a scalable, high-performing operations organization. Reporting to the Director of Customer Service & Operations, you will own the performance of our vendor partnerships and customer service operational model — driving accountability, efficiency, and continuous improvement across the function. This role is well-suited for an operator who sees a landscape of manual processes not as a limitation, but as a clear roadmap for impact. You will design and implement scalable systems and workflows — leveraging modern tools, including AI — while building the business cases that justify continued investment in operational excellence. If you are motivated by the challenge of building something that lasts and believe that finding a way forward is always possible, we want to hear from you. How You’ll Do It Vendor Relationships Lead all aspects of the operations vendor relationships — including weekly business reviews, quality calibration sessions, performance scorecards, and quarterly business reviews (QBRs) with senior vendor leadership. Serve as the incident owner for escalated vendor-originated service failures — including outages, quality breakdowns, and SLA misses — by triaging quickly, coordinating resolution across internal and external stakeholders, and ensuring a documented path to prevention. Maintain and evolve vendor performance scorecards; track SLAs, quality scores, AHT, and other KPIs continuously. Own vendor volume forecasting and headcount planning; ensure

Who We Are Verkada is transforming how organizations protect their people and places with an integrated, privacy-sensitive AI-powered platform that includes solutions for video security, access control, air quality sensors, alarms, intercoms, and visitor management. We’ve got serious momentum in the market: more than 30,000 customers (including 100+ of the Fortune 500), a $5.8B valuation , more than $1 billion in annualized bookings, and backing from CapitalG, Sequoia Capital, General Catalyst, Felicis Ventures, Next47 and more. Physical AI is one of the most consequential technology shifts of our time, and Verkada is at the center of it. You can look at all kinds of communities to see our platform’s impact in the world. It's the retailer that uses our agentic AI to deter theft before it happens. The warehouse that uses AI-powered alerts to make sure its team is protected on the floor with proper PPE. The school that’s alerted to a threat in real-time and triggers a lockdown in seconds, not minutes. We’re rapidly scaling this impact: today, more than 2 million Verkada devices are deployed across 170+ countries. About the Role We are looking for a seasoned Systems level Linux engineer / Linux internals expert to help us build our next generation of command connector product that turns any legacy camera into a cloud-native, AI-searchable node. Under the hood, it's managing dozens of concurrent video streams, translating disparate camera protocols into a single unified pipeline, and feeding all of it into CV models / inference run at the edge of the device itself. We currently support 100K+ customer cameras on this product and looking for more technical talent to help our growth. What You'll Do Reading kernel oops/panic traces Debugging GPU driver issues Working with boot/security subsystems like secure boot and luks disk encryption Networking internals (routing, firewalling, link-layer issues) RAID array management (mdadm, disk failure/rebuild

Lithic is the modern card issuing and processing platform empowering ambitious financial companies to build the future of payments. Our infrastructure powers card programs for 100+ innovative clients, from fintechs reimagining credit and digital banking to platforms transforming disbursements and spend management. Companies like Mercury, Flex, and Novo rely on Lithic's developer-friendly APIs, direct network connections, and flawless reconciliation to launch and scale card programs in weeks, not years. We're building a future where access to better financial products materially improves people's lives, free from the constraints of 30-year-old mainframes and legacy processors. We're proud to be backed by world-class investors who share that vision, including Bessemer Venture Partners, Index Ventures, Spark Capital, Stripes, and Mastercard, along with many others. We're a team of 170+ across 26 states and 7 countries, headquartered in New York City. We are hiring a Senior Software Engineer for Lithic’s Card Authorization team, which owns the real-time systems that make every card authorization decision correct, reliable, and fast. The team also owns related fraud tooling, including Lithic’s Rules Engine and 3D Secure integration. You’ll own high-impact projects end-to-end, solve distributed-systems problems at scale, and help build the tools customers use to control fraud and payment risk. What you'll do: Write reliable, secure, scalable code for Lithic’s real-time authorization and fraud-prevention systems with minimal tech debt Build customer-facing features, such as rules improvements, velocity controls, 3DS flows, fraud tooling, and transaction monitoring. Own projects from planning to launch. Improve the reliability of systems in team’s scope and participate in the team on-call rotation Lead efforts to improve systems and processes within the team What you'll bring: 4+ years building production backend systems. Full stack experience is a plus. Experie

About the Job: At LaunchDarkly, our Product-Led Growth (PLG) motion is evolving rapidly. We are looking for an experienced, highly analytical, and strategic Senior Growth Marketing Analyst to help us decode the digital body language of our prospects and users. In this role, you will leverage wide-ranging experience across GTM disciplines to help build, optimize, and scale our PLG engines. Reporting to the Principal Growth Marketer or Director of Growth Marketing, you will resolve complex data and operational issues requiring an in-depth evaluation of variable factors mapping user and account signals across channels, establishing the "next best action" for high-value leads, and optimizing conversion pathways. You will act with a high degree of independence to determine methods and procedures on new assignments, collaborating across Marketing, Product, RevOps, and Data engineering teams to drive function-impacting results. Responsibilities: Data & Signal Strategy Audit, track, and categorize 1st-party, 3rd-party (e.g., 6sense, GitHub), and product/marketing signals across target contacts and enterprise accounts. Evaluate variable factors and intangible data nuances to distinguish technical practitioner actions (e.g., SDK deployment) from broader enterprise intent (e.g., security evaluations). Partner cross-functionally with Data Engineering and RevOps to clean, enrich, and continuously source high-intent signal data. Feed signal combinations, recency, and frequency into predictive models to refine lead routing and account prioritization. Activation Strategy Use signal combinations to define the right "next best action" for accounts and individual users based on their segment, ICP fit, and stage (e.g., prospect vs. existing customer). Map and trigger appropriate activation responses ranging from personalized marketing content to white-glove outreach from Product Advocates or automated handoffs to SDRs and Enterprise AEs. Operational Motion & Cross-Functional In