Security Engineer at Relay Protocol | New York

About FernAt Fern, we empower software companies to create exceptional API experiences. Our clients range from industry giants like Nvidia and Twilio, to dynamic AI innovators like ElevenLabs and OpenRouter.As the landscape evolves, AI agents are taking the reins for API integrations, necessitating clear schemas, structured endpoints, and precise documentation.Our compact yet highly skilled team hails from prestigious firms like Google and Amazon, operating from Williamsburg, Brooklyn. Following our acquisition by Postman, we gained access to an expansive user base while retaining the agility of a startup.About the RoleIn the capacity of a Deployed Engineer, you will engage directly with clients to address their most pressing challenges, diving deep into their use cases, deploying features, and influencing our product roadmap.This role is pivotal, blending engineering prowess with customer success.Build and maintain customer relationships. As the primary point of contact for CTOs and engineering leaders, you will cultivate connections within the SaaS startup ecosystem.Rapidly navigate the tech stack. One moment you may enhance our Docs Platform; the next, troubleshoot our TypeScript SDK generator. You’ll contribute across various codebases without focusing on customer-specific scripts.Influence product direction. When a customer's request presents challenges, it often indicates an assumption we need to reevaluate. You’ll transform that feedback into products that genuinely resonate with users.

About FaireAt Faire, we believe in the power of local businesses. As an online wholesale marketplace, we empower independent retailers worldwide, enabling them to thrive against giants like Walmart and Amazon. By harnessing technology, data, and machine learning, we connect passionate entrepreneurs with exceptional products from around the globe. We are committed to leveling the playing field for small businesses, helping them to compete effectively in the wholesale market.Join us in our mission to support independent businesses and drive positive economic impact in local communities. If you share our belief in the importance of community, we invite you to become part of our growing team.About this RoleWe are in search of a seasoned product marketer to spearhead the go-to-market strategy for Faire Pay, with opportunities to expand into broader product marketing initiatives. At Faire, Product Marketing is a strategic, cross-functional role that collaborates closely with Product, Design, Marketing, and Revenue teams to conceptualize programs, enhance positioning and messaging, lead go-to-market strategies, and foster product awareness and adoption. Our Product Marketing Managers focus on both sides of the marketplace: the brands and the retailers.This role primarily focuses on the retailer aspect, particularly on Faire Pay—a new payment method designed to provide retailers with savings and flexibility. As we are in the early stages of this offering, we require a candidate who can refine our communication surrounding Faire Pay, develop a strategy for significant adoption, and thoughtfully guide the program's evolution. An essential part of this role involves connecting Faire Pay's value to our comprehensive suite of products, features, and payment terms that position Faire as the optimal choice for wholesale shopping.Additionally, this individual will engage with other high-priority areas for retailers, adjusting their focus as our customers' needs evolve.

Taskrabbit connects people with skilled Taskers for a variety of home services, including furniture assembly, handyman projects, and moving assistance. The company partners with IKEA and supports flexible work for Taskers, aiming to improve lives one task at a time. Taskrabbit values innovation, inclusivity, and collaboration. Team members are encouraged to share ideas and help shape the future of the platform. Employees are located across the US and EU, and Taskrabbit has earned recognition from Built In as a Best Place to Work in 2022, 2023, and 2024. Work location and schedule The Senior Business Operations Analyst position is hybrid, with two days per week in the office. The role can be based in San Francisco or New York City. The New York office is scheduled to open in March 2026.

At Headway, we are on a mission to revolutionize mental health care accessibility for everyone. Our innovative technology connects individuals with exceptional therapists through the first software-enabled national network of providers who accept insurance.In the United States, 1 in 4 individuals experience treatable mental health conditions. However, many providers do not accept insurance, making therapy unaffordable for the majority. Headway is dedicated to creating a mental health care system that is accessible to all by simplifying the process for therapists to accept insurance and expand their practices.Founded in 2019, Headway has rapidly evolved into a diverse national network of over 60,000 mental health care providers across all 50 states. Our software has facilitated care for over 1 million patients. As a Series D company, we have secured over $325 million in funding from top-tier investors including a16z (Andreessen Horowitz), Accel, GV (formerly Google Ventures), Spark Capital, Thrive Capital, Forerunner Ventures, and Health Care Service Corporation.We strive to make your experience with us the most rewarding of your career. Join us in transforming mental health care for the better.As the GTM Finance Lead, you will be an integral part of our Strategic Finance team, ensuring the efficient allocation of capital across Provider and Patient Growth initiatives. This role is highly collaborative and ideal for someone who excels at the intersection of financial analysis and strategic decision-making. You will develop financial models, monitor performance metrics, and provide insights that inform our resource allocation and GTM investment scaling.

Who We AreLightning AI is the pioneering force behind PyTorch Lightning. Established in 2019, we provide a comprehensive platform for the development, training, and deployment of AI systems, designed to seamlessly transition ideas from research to production.Following our merger with Voltage Park, an innovative neocloud and AI Factory, Lightning AI amalgamates developer-centric software with efficient, large-scale computing resources. Our tools empower teams to experiment, train, and deliver production-ready models while ensuring built-in security, observability, and control.We cater to individual researchers, startups, and large enterprises alike. With a global footprint, Lightning AI has offices in New York City, San Francisco, Seattle, and London, supported by prominent investors such as Coatue, Index Ventures, Bain Capital Ventures, and Firstminute.Our ValuesMove Fast: We prioritize speed and precision, breaking down major challenges into manageable tasks.Focus: We tackle one objective at a time with diligence, collaborating effectively as a team to deliver precise features.Balance: We believe that consistent performance stems from adequate rest and recovery, ensuring a healthy work-life balance for optimal productivity.Craftsmanship: We strive for excellence through innovation, paying attention to every detail and taking pride in our expertise.Minimal: We drive innovation through simplicity, eliminating unnecessary complexity by focusing on what truly matters.What We’re Looking ForWe are in search of a Senior Finance Associate who will play a critical role in steering initiatives across strategic finance, corporate development, and financial planning and analysis (FP&A) as Lightning AI continues to grow. In this role, you will collaborate with cross-functional teams to define unit economics, advise on deal pricing, and support investment decisions. You will assist with GPU financing, fundraising efforts, and investor relations to effectively acquire and allocate capital for Lightning AI. Furthermore, you will establish a robust operating rhythm for profit and loss (P&L) management, reporting, forecasting, and planning, transforming data into actionable insights for leadership.This finance role offers deep engagement, high visibility to leadership, and a direct impact on revenue growth, margin enhancement, and capital allocation. If you seek meaningful ownership, substantial learning opportunities, and proximity to impactful financial decisions, we would love to hear from you!

Join Postman as an SEO Manager and lead our efforts in enhancing search engine visibility and driving organic traffic. You will be responsible for developing and implementing SEO strategies that align with our business goals. Collaborate with cross-functional teams to optimize existing content and create new strategies that elevate our brand in the digital marketplace.

About FernAt Fern, we empower software companies to create exceptional API experiences. Our clientele features industry giants such as Nvidia, Square, and Twilio, alongside rapidly growing AI innovators like ElevenLabs and OpenRouter.As the landscape shifts, most API integrations will be executed by AI agents who require well-structured schemas, reliable endpoints, deterministic contracts, and comprehensive documentation designed for AI consumption.Our dynamic team, comprised of seasoned professionals from Google, Palantir, Amazon, and Uber, collaborates from Williamsburg, Brooklyn. Recently, we were acquired by Postman, enhancing our access to 40 million users and 98% of the Fortune 500, while retaining the agility and ownership of a startup.About the RoleAs a Staff Software Engineer at Fern, you will architect APIs, enhance AI infrastructure, and craft developer experiences that impact millions.Set Technical Direction: Lead system design choices concerning data modeling, performance, correctness, and reliability. Proactively identify scaling challenges before they escalate.Build for Durability and Scale: Ensure our systems are high-performing, observable, secure, and resilient under real-world production loads across various infrastructures (e.g., Vercel, AWS, Turbopuffer). Discover how we leverage Vercel and Next.js for efficient multi-tenancy and accelerated development cycles.Mentor Talented Engineers: Elevate the skills of your peers through thorough code reviews and strategic architectural discussions, fostering growth and impact.Collaborate Across the Stack: Work closely with product designers and engineers specializing in TypeScript and Next.js to create polished interfaces and seamless user experiences.

Join our dynamic team at StemXpert as an Integration Engineer specializing in FIX Protocol. In this role, you will be responsible for designing, implementing, and maintaining integration solutions that enhance our trading platforms. Your expertise in FIX Protocol will be pivotal in ensuring seamless communication and data exchange between various financial systems.

About Us:At Fireworks, we're at the forefront of generative AI infrastructure innovation. Our platform is renowned for delivering the highest-quality models coupled with the fastest and most scalable inference capabilities in the industry. With independent benchmarks highlighting us as the leader in LLM inference speed, we are driving groundbreaking advancements through initiatives like our unique function calling and multimodal models. Fireworks is a Series C company valued at $4 billion, supported by top-tier investors such as Benchmark, Sequoia, Lightspeed, Index, and Evantic. Our team is composed of ambitious, collaborative builders, many of whom hail from esteemed backgrounds at Meta PyTorch and Google Vertex AI.The Role:As an Enterprise Solutions Architect at Fireworks, you will serve as the technical and strategic cornerstone of the customer relationship from the initial discovery call to production deployment. You will collaborate with some of the world's most ambitious engineering teams, translating intricate business challenges into tangible AI solutions leveraging the Fireworks platform.This role requires a blend of technical expertise and exceptional interpersonal skills. You will need to gain the trust of ML engineers and VPs in the same meeting, scope and execute Proofs of Concept (POCs) while keeping the customer's success criteria in focus, and possess sufficient knowledge of inference, fine-tuning, and model architecture to provide credible recommendations under pressure.We hire Solutions Architects across two tracks, both of which require a solid technical foundation and sharp customer insight; however, each track emphasizes different aspects.Enterprise SA TrackEngages with both digital-native and large organizations, navigating complex stakeholder dynamics, procurement processes, and executive relationships.Strong emphasis on executive presence: equally adept at presenting to a CTO as you are at troubleshooting a latency issue with an ML engineer.Leads intricate technical sales processes, including discovery, solution design, POC execution, and commercial negotiations.Takes ownership of the account relationship from start to finish, including expansion and renewals.Possesses strong commercial instincts, understanding how to build persuasive business cases and close significant deals.Applied AI TrackWorks with high-velocity accounts and technology partners, including startups, ISVs, and hyperscaler ecosystems.Greater focus on technical execution: spending more time coding, building integrations, and conducting enablements.Engaged in rapid iteration cycles with reduced organizational navigation, aimed at swiftly delivering working solutions.Collaborates closely with partner engineering teams to empower their AI initiatives.

Join Joele Frank, a premier strategic communications firm, as a Design Team Summer Intern. Our expertise spans across critical areas including mergers and acquisitions, shareholder activism, crisis communications, and high-stakes situations. We empower our clients to communicate effectively with their stakeholders when it matters most. We seek individuals who possess a unique blend of intelligence, creativity, curiosity, and talent. Ideal candidates are not only strong designers but also thoughtful communicators who thrive in challenging and fast-paced environments, working collaboratively within a team. Our internship program is designed as an 8-week paid experience, offering a hybrid work model that includes both remote and in-office opportunities.

Join Our Team as a Client Executive!At imafinancialgroup, we are dedicated to providing exceptional financial solutions tailored to our clients' needs. As a Client Executive, you will engage with clients to understand their financial goals and deliver personalized strategies to help them succeed.Your Responsibilities:Build and maintain strong relationships with clients to ensure their satisfaction and loyalty.Analyze clients' financial situations and provide tailored solutions to meet their needs.Collaborate with internal teams to develop comprehensive financial plans.Stay updated on industry trends and regulations to offer clients the best advice.Actively seek out new business opportunities and expand your client base.

About Sei LabsSei Labs is pioneering open-source technology for the high-performance Sei Blockchain, the first parallelized EVM Layer 1 blockchain engineered for industry-scale efficiency. Our innovative optimizations empower Web3 applications to achieve Web2 levels of scalability and performance, propelling the widespread adoption of digital assets.Our diverse teams include experts from leading organizations such as Google, Goldman Sachs, Robinhood, Nvidia, and Databricks, all committed to integrating the next billion users into a robust ecosystem of applications.Sei Labs has secured over $30 million from prestigious investors like Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.For more information, visit our website and our documentation.Protocol Engineering at SeiWe are in search of a Protocol Engineer to spearhead the development of essential components of the Sei Blockchain. In this role, you will be at the cutting edge of blockchain infrastructure, tasked with designing and refining the foundational layers of a scalable decentralized network. You will collaborate closely with our engineering team and ecosystem partners, continuously innovating to advance blockchain technology. If you possess a passion for low-level systems design, performance optimization, and influencing the future of decentralized networks, this is an exceptional opportunity to leave a significant mark in the Web3 landscape.

Join Milhouse Engineering as an Electrical Engineer, where you will lead and support a range of exciting projects under the guidance of our management team. You will be instrumental in the design and project management of complex electrical systems, including low and medium voltage power distribution, motor control circuits, raceway systems, fire alarm systems, and utility interfaces. Your expertise will help shape the future of our projects, ensuring they meet our clients' needs effectively and efficiently.

Job Title:Software Engineer, GlamourAbout Bombas:Bombas is a premium basics brand centered on comfort, dedicated to making a difference. Founded in 2013, we learned that socks are the most requested clothing item in homeless shelters. To tackle this issue, we donate a pair of socks for every pair sold. Our commitment to comfort has led us to create the most comfortable socks ever, and we've expanded our product line to include underwear and t-shirts, meeting the demands of those in need. Our mission continues to evolve as we innovate and serve our community with impactful products.Discover what it's like to work inside the Bombas Hive by clicking here.The name Bombas comes from the Latin word for bumblebees, symbolizing teamwork and community. We are proud of our diverse and inclusive team, working together to create the best products while ensuring that every voice is valued and heard. We strive to foster an environment where everyone feels welcome, regardless of their background.This position will be based at our Bombas HQ in New York City, as per the specific job requirements.About the Job:We are seeking a talented Software Engineer to join our Engineering Team. In this role, you will be instrumental in enhancing the systems and digital experiences that promote our mission and products. Collaborating with various teams, you will create solutions that improve the speed, reliability, and enjoyment of our online customer experiences. The ideal candidate will possess over 2 years of software engineering experience and a passion for contributing to meaningful work that supports those in need of essential clothing items.

Verve for Advertisers develops technology that helps brands and agencies reach audiences at meaningful moments and measure results across multiple devices. The company’s demand-side platform draws from one of the largest sources of on-site search intent data available outside of major closed ecosystems. Verve partners through direct SDK integrations with leading apps and maintains data relationships with over 3 million websites and large language models. This foundation enables the tracking of consumer actions and motivations, supporting accurate audience insights and activation across top-tier omnichannel platforms. Role overview This Data Engineer position is based in New York, NY, and is part of Verve’s engineering team. The role is full-time and supports both ongoing and new projects. On-site work at the NYC headquarters is available. What you will do Help design, build, and maintain data systems that drive Verve’s products and audience insights. Work with large-scale datasets to deliver analytics and activation tools for audience engagement. Collaborate with fellow engineers and cross-functional teams to support new features and expand data partnerships. Requirements Legal authorization to work in the United States is required. Only candidates meeting this criterion will be considered. Interest in working on data-driven advertising technology. Ability to work on-site in New York, NY if needed.

DoorDash is hiring a Senior Associate for Grocery Strategy & Operations in New York, San Francisco, or Washington D.C. This position centers on improving the company’s grocery delivery services and strengthening its presence in the grocery market. Role overview This role focuses on shaping how DoorDash approaches grocery delivery. The Senior Associate will work closely with teams across the company to identify ways to make operations more efficient and to support new strategic projects. The goal is to help DoorDash deliver better grocery experiences to customers and partners. Key responsibilities Collaborate with cross-functional teams to improve grocery operations Support and drive strategic initiatives within the grocery sector Analyze data and share insights that inform business decisions and growth Impact Insights and recommendations from this role will directly influence DoorDash’s growth in the grocery space. The Senior Associate will help shape the company’s strategy and operational approach as DoorDash expands its grocery offerings.

Join Coast as a Security Engineer, where you'll play a critical role in safeguarding our digital infrastructure and data integrity. You will collaborate with our engineering teams to design and implement security measures, assess risks, and respond to security incidents. Your expertise will help us ensure that our systems are robust and secure against emerging threats.

Join StubHub, a leader in redefining the live event experience on a global level. From first-time attendees to seasoned concertgoers, we strive to enhance every ticketing journey, ensuring our platform is the safest and most convenient for fans and sellers alike, whether they are individuals selling a single ticket or promoters orchestrating a global stadium tour.We are on the lookout for a skilled Senior Data Engineer to become an integral part of our Data team. In this capacity, you will design and implement the foundational systems and pipelines necessary for centralizing both StubHub’s internal data and third-party data sources. Our mission is to empower company-wide organizations to leverage data for analysis, reporting, new product innovation, experimentation, and machine learning. Your responsibilities will include developing the core infrastructure for our data lake and data warehouse, creating essential data models and pipelines, and crafting shared tools to facilitate the generation of high-quality, trustworthy data assets.As a Senior Data Engineer within the Data Platform team, your contributions will be pivotal in shaping core infrastructure, frameworks, and analytical data layers. You will also help define a culture of excellence in data engineering and mentor team members to achieve these standards. We seek a candidate who is not only passionate about the synergy between data and software development fundamentals but also capable of employing these principles to build a data ecosystem that is principled, maintainable, and scalable in alignment with StubHub's rapid growth. You will develop expertise in specific business domains, proactively anticipating the needs of those verticals.Location: Hybrid (3 days in office/2 days remote) – New York, NY or Century City, CA

About RainRain is revolutionizing the future of payments, making it accessible globally. Our compact yet powerful team is made up of innovative builders and seasoned founders. We enable the real-world use of stablecoins, facilitating card transactions, cross-border payments, B2B transactions, remittances, and more. Partnering with fintechs, neobanks, and institutions, we empower them to launch solutions that are global, inclusive, and efficient. Join us to make a significant impact at a rapidly growing company backed by top-tier investors in fintech, crypto, and SaaS, including Sapphire Ventures, Norwest, Galaxy Ventures, Lightspeed, and Khosla. If you are curious, daring, and eager to help create a borderless financial future, we want to hear from you.Our ValuesWe advocate for a transparent and flat organizational structure. You will have the opportunity to develop in a role that aligns with your aspirations. Team members at every level are encouraged to explore ideas and influence the company's roadmap and vision.Team OverviewThe Rain Business Development team is pivotal in driving our rapid growth and transforming how money is transferred globally. Positioned at the crossroads of traditional finance and cutting-edge Web3, we require a unique combination of classic sales engineering expertise and modern technical adaptability. We operate with high momentum while ensuring top-notch quality, managing a robust pipeline and providing a personalized experience to each prospect. We're seeking exceptional problem solvers ready to deliver outstanding service and help build the infrastructure for a borderless financial future.Key ResponsibilitiesCollaborate with Business Development: Act as the product line expert for Rain, actively participating in sales calls to address technical questions and showcase the platform's features.Lead Pre-Sales Implementation: Serve as a customer-facing resource for enterprise clients, assisting in the scoping and visualization of their implementation before contract finalization.Project Management of Deals: Maintain the momentum of complex sales cycles, coordinating resources and timelines to ensure enterprise deals progress smoothly.Solution Design & Integrations: Function as a technical consultant to assess how Rain integrates with the client's existing systems and define necessary integrations with other partners.