Jobs in United States

Client Platform Security Engineer in United States

716 active opportunities · Updated October 2026

Explore current client platform security engineer jobs across United States. Filter by work mode, employment type, experience, department, date posted and distance.

C
📍 Tampa Florida United States, United States
✓ High-confidence listingCompany trend +800%
Quick readStrong listing-quality and freshness signals

About Citi: Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemically responsible and in our clients' best interests. As a financial institution that touches every region of the world and every sector that shapes your daily life, our Enterprise Operations & Technology teams are charged with a mission that rivals any large tech company. Our technology solutions are the foundations of everything we do from keeping the bank safe, managing global resources, and providing the technical tools our workers need to be successful to designing our digital architecture and ensuring our platforms provide a first-class customer experience. We reimagine client and partner experiences to deliver excellence through secure, reliable, and efficient services. Our commitment to diversity includes a workforce that represents the clients we serve from all walks of life, backgrounds, and origins. We foster an environment where the best people want to work. We value and demand respect for others, promote individuals based on merit, and ensure opportunities for personal development are widely available to all. Ideal candidates are innovators with well-rounded backgrounds who bring their authentic selves to work and complement our culture of delivering results with pride. If you are a problem solver who seeks passion in your work, come join us. We'll enable growth and progress together. About the Team: The <span style="font-size:inherit"

PythonJavaPostgreSQLMongoDB
N
📍 Santa Clara, United States
✓ Quality checkedCompany trend -8%

We are looking for a Senior Software Engineer to become part of our storage management plane team. The management plane is a web-based application crafted to provide our storage customers the capabilities to handle and supervise our distributed storage infrastructure. Our team is continually dedicated to acquiring and implementing ground breaking technologies to overcome obstacles and innovate solutions for improving our ability to handle large clusters of machines efficiently. What You Will Be Doing: Maintain and develop Kubernetes operators and our Container Storage Interface (CSI) plugin. Develop a web-based solution that manages, operates and monitors our distributed storage. Work closely with other teams to define and implement new APIs. What We Need to See: B.Sc., M.Sc. or Ph.D. in Computer Science, or related discipline, or equivalent experience. 8&#43; years of experience in web development ( both client and server ) Proven experience with Kubernetes (K8s), including developing or maintaining operators and/or CSI plugins. Experience scripting with Python, Bash or similar. Experience with nodejs is a must At least 5 years of experience working in a Linux OS environment You’re smart and a quick learner You do what it takes to get the job done Passionate about coding and big challenges Ways to stand out from the crowd: NodeJS for the server side: dominant modules are async & express . Kafka, MongoDB, K8s JavaScript frameworks: React, jQuery, c3j

JavaScriptPythonReactNode.js
B
📍 Seattle, Washington, United States· Full-time
✓ High-confidence listing

$192K – $240K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Data at Brex Our Scientists and Engineers work together to make data — and insights derived from data — a core asset across Brex. But it’s more than just crunching numbers. The Data team at Brex develops infrastructure, statistical models, and products using financial data. Our work is ingrained in Brex’s decision-making process, the efficiency of our operations, our risk management policies, and the unparalleled experience we provide our consumers. What you’ll do This position is on our Data Enablement Platform team. The Brex product requires a huge amount of data to power our client experiences. With a largely async architecture, proliferation of services and multiple operations systems, this data originates from many different sources and in different forms. To ensure that our product experience is unbounded in how it leverages this data, the Data Enablement Platform team owns and operates the systems required to deliver it t

PythonAIKotlinGo
B
📍 San Francisco, California, United States· Full-time
✓ High-confidence listing

$192K – $240K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Data at Brex Our Scientists and Engineers work together to make data — and insights derived from data — a core asset across Brex. But it’s more than just crunching numbers. The Data team at Brex develops infrastructure, statistical models, and products using financial data. Our work is ingrained in Brex’s decision-making process, the efficiency of our operations, our risk management policies, and the unparalleled experience we provide our consumers. What you’ll do This position is on our Data Enablement Platform team. The Brex product requires a huge amount of data to power our client experiences. With a largely async architecture, proliferation of services and multiple operations systems, this data originates from many different sources and in different forms. To ensure that our product experience is unbounded in how it leverages this data, the Data Enablement Platform team owns and operates the systems required to deliver it t

PythonAIKotlinGo
B
📍 New York, New York, United States· Full-time
✓ High-confidence listing

$192K – $240K/yr

Quick readStrong listing-quality and freshness signals

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Data at Brex Our Scientists and Engineers work together to make data — and insights derived from data — a core asset across Brex. But it’s more than just crunching numbers. The Data team at Brex develops infrastructure, statistical models, and products using financial data. Our work is ingrained in Brex’s decision-making process, the efficiency of our operations, our risk management policies, and the unparalleled experience we provide our consumers. What you’ll do This position is on our Data Enablement Platform team. The Brex product requires a huge amount of data to power our client experiences. With a largely async architecture, proliferation of services and multiple operations systems, this data originates from many different sources and in different forms. To ensure that our product experience is unbounded in how it leverages this data, the Data Enablement Platform team owns and operates the systems required to deliver it t

PythonAIKotlinGo
R
📍 Foster City, California, United States· Full-time
✓ Quality checkedCompany trend -85.9%

Replit is the agentic software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit is democratizing software development by removing traditional barriers to application creation. Replit is a software creation platform that enables anyone to build applications using natural language. With millions of users worldwide, Replit helps more people build and ship software. About the Team Product Platform builds and owns the shared foundations the rest of Replit is built on: backend infrastructure, connectors, product primitives, and the frontend platform. When these foundations are solid, every other team moves faster. This role goes deep on the frontend platform: the architecture and platform layer behind every core product surface. The work is high-leverage and horizontal, and gives you exposure across the whole of engineering. We are a small, collaborative team that values curiosity and clear thinking over pedigree, and we care more about how you reason and build than the route you took to get here. If you like making other engineers faster, you will fit in here. About The Role As a Product Engineer focusing on the frontend platform , you will own the frontend architecture behind core product experiences: application frameworks, the API and data layer, testing infrastructure, and client performance. The goal is simple: product teams ship quickly and reliably on what you build. The team’s work is guided by a few simple questions: Is our core frontend architecture (frameworks, state, routing, SSR/CSR) sound, consistent, and easy to build on? Is our API and data layer reliable and ergonomic, with clear contracts, sensible error handling, and effective caching? Are user-facing surfaces fast and well-instrumented, with testing infrastructure that keeps them safe to change? Is the codebase easy to navigate, change, and extend, including for AI coding agents? You’ll partner closely with engineering, produc

TypeScriptReactNode.jsCI/CD
R
📍 San Mateo, CA, United States· Full-time
✓ Quality checkedCompany trend -100%

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Luau App Foundations team is responsible for the core infrastructure of the Roblox application. They bridge the gap between app and the performance-heavy Roblox game engine. This team is building the unified stack that powers mission-critical surfaces like Home, Avatar, and Social for millions of concurrent users. They are the ones who make it possible for "Web-style" development efficiency to exist within a high-performance C++ game engine. Why is this role exciting: Technical Pioneer: You will be writing libraries and modules using C++ inside a world class Roblox proprietary Game Engine. Systematic Impact: This is a "Force Multiplier" role. The frameworks and components you build will be used by dozens of other engineering teams to ship their features. Complex Problem Solving: You aren’t just building an app; you’re managing smooth data flow through a client that has to perform perfectly on a $100 Android phone and a $3,000 Gaming PC simultaneously. 0 to 1 Transitions: You will lead the charge in shaping some of the most crucial components of the App written in C++ inside the Game Engine. Key Challenges: Bridging Tech Stacks: The libraries you write sit between a modern UI (written in

AWSGitRestAI
EC
📍 Chicago, Illinois, United States· Full-time
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About Energy CX: Energy CX is redefining the energy brokerage industry as the fastest-growing player in the US. By bringing cutting-edge technology, advanced analytics, and innovative solutions, we are disrupting a space that has operated in the dark for too long. Why Energy CX? Entrepreneurial and ambitious culture with a great team oriented environment Fastest growing energy broker in the country One of the fastest growing companies in Chicago Recognized by Fortune and Great Places to work US Named on Inc 5000’s list of America’s fastest growing companies Compensation Year 1 Expected Earnings → $115,000 to $200,000. The expected salary range above may vary based on qualifications and experience. Title: Senior Product Manager, Customer Platform About this Job We're looking for a Senior Product Manager to own our customer-facing energy purchasing and tracking platform during a critical high-growth phase. You'll define and drive the vision for turning that platform into an interactive, data-rich experience — think Bloomberg Terminal or Robinhood — that gives clients real-time visibility and control over their energy purchasing decisions. This is a flagship customer-facing bet, and you'll be the senior product voice shaping it end to end. What You'll Do Own the product roadmap and vision for the customer-facing platform, translating energy purchasing and tracking into an interactive, real-time interface Partner with Engineering, Design, and Quantitative Strategy to define data visualizations, live pricing displays, and interactive tools that make complex energy market data intuitive for clients Gather requirements directly from clients, Sales, and Customer Success to identify what drives engagement and decision-making on the platform Write detailed product requirements and specs, and work closely with engineering to ship features that measurably improve client engagement and retention Define and track success metrics (engagement, retention, feature a

SQLAIGoExcel
G
📍 New York, New York, United States· Full-time
✓ High-confidence listing

$100K – $120K/yr

Quick readStrong listing-quality and freshness signals

Overview: Play a vital role in Guidepoint’s success. Guidepoint is seeking an entrepreneurial and outgoing individual to spearhead coverage of our Insights expert call and transcript library product for our Corporate Healthcare client base. As a liaison for our clients and salespeople, you will play a pivotal role in driving engagement and revenue growth within the rapidly expanding Insights product line. Leveraging your exceptional CRM skills, effective organization, and keen attention to detail, you will collaborate cross-functionally to maximize usage of our offering among our active trials and current subscribing clients. This highly visible position will involve working closely with the Insights group heads to develop strategic plans for enhancing client engagement and retention. This is a hybrid role located in New York City. What You'll Do: Serve as an advocate for the Insights product with corporate healthcare clients and foster three-dimensional relationships with key stakeholders Develop personalized engagement plans for each client depending on therapeutic areas of focus, ongoing clinical trials of interest, and competing companies to effectively market Insights content Monitor and drive client engagement through direct outreach efforts: direct emails, product demonstrations, virtual and onsite meetings Lead renewal conversations, pricing discussions, and commercial engagements in partnership with internal teams Identify and drive upsell and cross-sell opportunities by expanding client usage of the Insights platform Acquire valuable feedback and insights from clients to inform product development, marketing strategies, and sales efforts What You Have: Bachelors or masters degree from an accredited University, Healthcare-adjacent coursework is a plus 6+ years of experience in account management, relationship management, or consultative sales Proven track record managing renewals and negotiating contracts Demonstrated success driving upsell and cross-

RestAIGoMarketing
R
📍 San Mateo, CA, United States· Full-time
✓ High-confidence listingCompany trend -100%

From $399.4K/yr

Quick readStrong listing-quality and freshness signals

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Content Platform team at Roblox powers the infrastructure behind every asset used across the Roblox ecosystem—enabling creators and developers to bring their visions to life at global scale. From 3D models and images to videos and audio, our platform manages the complete lifecycle of all assets essential for immersive experiences, supporting one of the largest services in the world at over 100+ million requests per second. Our mission is to deliver a seamless, reliable, and innovative content system that empowers creators, supports record-breaking games, and ensures the highest standards of performance and safety for our community. As the Technical Director for Content Platform, you will lead multidisciplinary engineering teams responsible for the technical and product vision of Roblox’s asset infrastructure. You will own the lifecycle of every asset—from creation and upload to storage, indexing, delivery, and rendering in the game client. Your leadership will be critical in scaling our systems, optimizing distributed infrastructure, and enabling new possibilities for creators and players alike. You Will: Define and drive the long-term strategy, architecture, and priorities for the Cont

AWSGitAIGo
E
📍 Dallas, TX, United States· Full-time· Remote
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

The Account Manager – Enterprise is responsible for managing and growing relationships with assigned strategic accounts to drive client satisfaction, retention, and business growth. This role requires a strong understanding of Entrata’s product suite and the ability to align solutions with client objectives. The Account Manager works cross-functionally with internal teams to identify opportunities for account expansion, resolve issues, and deliver a seamless client experience. Duties/Responsibilities Build and maintain strong, long-term relationships with key stakeholders within assigned accounts. Develop account plans outlining strategies for growth, retention, and upsell opportunities. Collaborate with internal teams, including Sales, Implementation, and Support, to deliver high-quality client experiences. Understand client business objectives, challenges, and operations to effectively position Entrata solutions. Provide consultative guidance to clients on best practices, industry trends, and product utilization. Identify and pursue opportunities for account expansion and revenue growth. Communicate product updates, new features, and relevant developments to client stakeholders. Analyze account data to identify trends, performance gaps, and improvement opportunities. Essential Functions Maintain ongoing communication with key client stakeholders to ensure satisfaction and retention. Develop and execute account strategies that drive growth and align with company goals. Collaborate with internal teams to ensure successful delivery of products and services. Apply sound judgment and problem-solving skills to resolve complex client issues. Ability to prioritize tasks effectively by meeting deadlines and managing workload effi

AIAuditing
OS
📍 Aliso Viejo, United States· Full-time· Remote
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About OfficeSpace: OfficeSpace Software provides the leading AI operating system for the built world, that helps teams plan, connect, and perform in the workplace. As a performance-based, PE-backed company, we hire based on merit and a willingness to do what it takes to succeed long-term. You’re a great fit for the role if you’re entrepreneurial, passionate, motivated by building at light speed, and an Agentic AI early adopter. Our world-class teams operate in the US, Canada, and Costa Rica in a culture of trust, respect, growth, and impact. Role Summary: You own growth at the highest level. As a Client Executive – Enterprise, you build, expand, and protect strategic relationships across complex organizations with our highest value clients. You operate as a value architect, and executive partner to drive strategic and transformational client value - using data, AI, and sharp commercial discipline to grow enterprise accounts. What You Will Do Own and grow a portfolio of high-value strategic accounts by developing and executing multi-year expansion strategies aligned to each client’s business priorities. Develop and execute strategic account plans that translate client priorities into actionable expansion plays with clear value hypotheses, timelines, and deal strategies. Create and close pipeline proactively - not tied to renewal cycles - by identifying whitespace, shaping opportunities, and aligning to executive-level priorities within your accounts. Lead complex, multi-threaded sales motions by engaging economic buyers and key stakeholders across business, finance, and operations to build consensus and urgency. Sell platform-level solutions, not product features, positioning OfficeSpace as a mission-critical operating system that drives measurable business outcomes. Part

AgileAIGoRust
OS
📍 Aliso Viejo, United States· Full-time· Remote
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

About OfficeSpace: OfficeSpace Software provides the leading AI operating system for the built world, that helps teams plan, connect, and perform in the workplace. As a performance-based, PE-backed company, we hire based on merit and a willingness to do what it takes to succeed long-term. You’re a great fit for the role if you’re entrepreneurial, passionate, motivated by building at light speed, and an Agentic AI early adopter. Our world-class teams operate in the US, Canada, and Costa Rica in a culture of trust, respect, growth, and impact. Role Summary: You own growth at the highest level. As a Client Executive – Enterprise, you build, expand, and protect strategic relationships across complex organizations with our highest value clients. You operate as a value architect, and executive partner to drive strategic and transformational client value - using data, AI, and sharp commercial discipline to grow enterprise accounts. What You Will Do Own and grow a portfolio of high-value strategic accounts by developing and executing multi-year expansion strategies aligned to each client’s business priorities. Develop and execute strategic account plans that translate client priorities into actionable expansion plays with clear value hypotheses, timelines, and deal strategies. Create and close pipeline proactively - not tied to renewal cycles - by identifying whitespace, shaping opportunities, and aligning to executive-level priorities within your accounts. Lead complex, multi-threaded sales motions by engaging economic buyers and key stakeholders across business, finance, and operations to build consensus and urgency. Sell platform-level solutions, not product features, positioning OfficeSpace as a mission-critical operating system that drives measurable business outcomes. Part

AgileAIGoRust
P
📍 Texas, California, United States· Full-time
✓ High-confidence listingCompany trend -100%
Quick readStrong listing-quality and freshness signals

Who Are We? Postman is the world’s leading API platform, used by more than 45 million+ developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle and streamlining collaboration—enabling users to create better APIs, faster. The company is headquartered in San Francisco and has offices in Boston, New York, Austin, Tokyo, London, and Bangalore - where Postman was founded. Postman is privately held, with funding from Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. Learn more at postman.com or connect with Postman on X via @getpostman. P.S: We highly recommend reading The "API-First World" graphic novel to understand the bigger picture and our vision at Postman. ** Please note that we're requiring in-office commitment. The team is based in Austin, TX -- remote is not an option** The Opportunity LibLab is is recently acquired by Postman but we’re an engineering company, by developers for developers. We provide a missing pillar of core internet infrastructure, and we hire people with a broad set of technical skills (and from a wide variety of backgrounds) to build that. We want people who are ready to take on some of the most challenging problems in the industry – from reliably handling millions of API requests per day, to architecting best-in class open-source SDKs and client libraries. What You’ll Do Design, develop, and maintain software using modern languages. Collaborate with cross-functional teams to define, design, and ship new features. Troubleshoot and resolve complex technical issues across various programming languages and technologies. Engage with customers to gather feedback, understand their needs, and provide technical support when required. Mentor and guide other engineers, promoting best practices in software development. Participate in code reviews to ensure high

TypeScriptNode.jsAgileAI
A
📍 New York, NY, United States
✓ High-confidence listing
Quick readStrong listing-quality and freshness signals

Who We Are Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI-powered insights within investment and client workflows. More than 1,400 firms in nearly 60 countries use Addepar to manage and advise on nearly $9 trillion in assets. Its open platform integrates with nearly 650 software, data and consulting partners to power end-to-end investment operations across firms of all sizes and complexity. Addepar supports clients worldwide with offices in New York City, Salt Lake City, London, Edinburgh, Pune, Dubai, Geneva, Singapore and São Paulo. The Role Addepar is looking for a high-energy, results-driven Business Development Representative to join our Business Development & Sales organization. Working very closely with Sales and key partners, BDRs are tasked with strategically developing and qualifying revenue opportunities within assigned account territories and segments. This is an exciting opportunity to generate and hunt for new business opportunities to fuel our growth across the wealth management, family office, private banking, and global investment management market segments. The ideal candidate will be passionate about finance and disruptive technology; have a sound eye for business and natural sales instincts; and be an eager, highly motivated, and tenacious self-starter. Applicants must be legally authorized to work in the United States for any employer without requiring current or future visa sponsorship (for example, employment-based visas such as H-1B , F-1 /OPT, or similar), and must be authorized to begin work in the U.S. on their first day of employment. What You’ll Do Generate new business opportunities to fuel Addepar’s growth Create and prioritize strategic target account lists and account attack plans within a defined territory Research and build new account

AISalesforceFinance
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