Application Security Engineer

About the Role Adaptive Security is looking for a Lead Application Security Engineer in NYC. This position shapes how we defend our software against threats, guiding security strategy and execution across our applications. What You Will Do Lead the design and rollout of security measures for software applications Develop and refine security strategies to address emerging risks Work closely with teams to uphold strong security standards Ensure our practices align with industry regulations and compliance requirements What Matters Here Deep experience in application security Ability to guide teams and set technical direction Commitment to both proactive defense and regulatory compliance

lm-studio seeks an Application Engineer based in New York City. This role centers on designing and building software solutions that address specific client needs. Application Engineers work closely with colleagues from different teams, guiding projects from initial idea through to launch. Responsibilities Design and develop software applications for a range of client projects Work with cross-functional teams throughout each stage of development Offer technical input and creative ideas to tackle complex challenges Support the delivery of applications that meet project requirements Requirements Interest in technology and building software Strong communication skills and ability to collaborate Creative problem-solving approach Motivation to contribute meaningful work

Join Our Innovative Security TeamAt OpenAI, security is paramount to our mission of ensuring that artificial general intelligence serves the best interests of humanity. Our dedicated Security team safeguards OpenAI’s technology, personnel, and products. We are technical in our solutions and operational in our approach, committed to supporting all aspects of our products and research. Our guiding principles include prioritizing impactful initiatives, empowering our researchers, preparing for future technological advancements, and fostering a robust security culture.Your Role as an Application Security EngineerIn the role of Application Security Engineer, you will play a vital part in identifying and mitigating security vulnerabilities within our software applications. This involves creating security tools, conducting code reviews, performing penetration testing, and executing comprehensive security assessments.We seek individuals who will collaborate closely with development teams to embed secure coding practices throughout the software development lifecycle, preemptively addressing security risks. You will also offer security guidance to developers and stakeholders, promoting a culture of security awareness across the organization.This position is based in New York City, but we also consider candidates for remote work. Our hybrid work model requires three days in the office each week, and we offer relocation assistance for new employees.Key ResponsibilitiesConduct Security Assessments: Regularly perform security assessments, code reviews, and penetration tests to identify vulnerabilities in applications and software.Create and Implement Security Tools: Design and develop security tools, frameworks, and methodologies to defend applications against potential threats.Collaborate with Development Teams: Work hand-in-hand with development teams to ensure security best practices are integrated throughout the software development lifecycle, including secure coding standards.Threat Modeling and Risk Assessment: Carry out threat modeling and risk assessments to proactively identify potential risks and devise effective mitigation strategies.Manage Vulnerabilities: Track, analyze, and manage vulnerabilities within applications, providing guidance and support for remediation efforts.Incident Response Support: Assist in incident response efforts and contribute to the development of incident response protocols.

About UsAt Imprint, we are revolutionizing co-branded credit cards and innovative financial products, making them smarter, more rewarding, and truly brand-centric. We collaborate with renowned companies such as Crate & Barrel, Rakuten, Booking.com, H-E-B, Fetch, and Brooks Brothers, to launch cutting-edge credit programs that enhance customer loyalty, offer significant savings, and drive substantial growth. Our advanced platform merges intelligent payment infrastructure with seamless user experiences, enabling brands to provide impactful financial products without the need to become a bank.Co-branded cards represent over $300 billion in annual spending in the U.S., yet many are still reliant on outdated banking systems. Imprint stands out as a modern alternative, characterized by flexibility, advanced technology, and a focus on today’s consumer needs. Supported by top-tier investors such as Kleiner Perkins, Thrive Capital, and Khosla Ventures, we are assembling an exceptional team to transform the landscape of payments and card technology. If you are eager to work in a fast-paced environment, tackle complex challenges, and make a meaningful impact, we invite you to connect with us.Discover more about our journey on Imprint's Technology Blog.Our TeamThe Security Engineering team at Imprint plays a crucial role in safeguarding the trust of our customers, partners, and products. We are dedicated to developing a comprehensive and scalable security program that protects our infrastructure, applications, and data from threats while allowing the company to innovate rapidly and securely. By joining our dynamic FinTech startup, you will significantly influence the future of payment solutions and card technology.Your RoleAs a Senior Application Security Engineer, you will be pivotal in ensuring our products and services are designed with security at their core. You will establish and implement security best practices across our applications, conduct thorough testing, and empower engineering teams to proactively identify and address vulnerabilities.LocationThis hybrid position allows you to work remotely while also spending 2-3 days per week on-site at our offices located in New York City, San Francisco, or Seattle as directed by your manager.Key ResponsibilitiesConduct systematic threat modeling, utilizing frameworks such as MITRE ATT&CK, to identify risks, define attack paths, and propose mitigation strategies early in the development lifecycle.Perform detailed security architecture reviews to ensure that applications and microservices adhere to secure design principles.Collaborate with engineering teams to conduct code reviews, identifying vulnerabilities and ensuring code quality meets security standards.

About the RoleUncountable is seeking a dynamic Solutions Architect / Engineering Manager to spearhead our Software Engineering for Chemistry Applications team. In this pivotal role, you will engage collaboratively with both our internal engineering team and external partners from some of the world’s foremost materials and chemical companies. You will guide your team in the development of innovative scientific applications while seamlessly integrating enterprise systems with the Uncountable platform, ultimately transforming the R&D landscape for our customers. Your role will be a blend of leadership, technical architecture, and customer engagement, contributing significantly to Uncountable's mission of fostering rapid innovation across diverse sectors, including chemicals, coatings, and pharmaceuticals.Why Uncountable?Founded by a team of visionary engineers from Stanford and MIT, Uncountable believes R&D teams deserve superior software solutions. We are developing a groundbreaking platform that empowers clients like Sika, Clariant, and Mondelez to accelerate their innovation processes like never before. Join us if you’re passionate about impactful software, cutting-edge science, and empowering teams to redefine the boundaries of innovation.

About the RoleWe are looking for a talented Senior Data Architect / Application Engineer to become a pivotal part of our dynamic team. In this role, you will design, develop, and maintain robust data platforms and application infrastructure. Your expertise will drive innovative data solutions while ensuring the reliability, security, and performance of our platforms.Location: New York City, NY (Hybrid – 3 days onsite)Interview Process: In-person interview required in NYC.Work Authorization: Only W2 candidates will be considered. C2C is allowed only if the candidate is a US Citizen or Green Card holder with their own corporation.Key ResponsibilitiesLead architecture and technical design discussions leveraging industry best practices and cutting-edge technologies.Support production operations and troubleshoot complex issues within the Credit Risk application platform.Design and implement batch and ad-hoc data pipelines utilizing Medallion Lakehouse architecture on modern cloud platforms, primarily Databricks.Build and maintain data ingestion pipelines from upstream systems into object storage (e.g., S3, ADLS) using formats like Parquet, including partitioning, z-ordering, and schema evolution.Integrate with external XVA / risk engines to expand analytical capabilities.

About the PositionUncountable is seeking a talented Solutions Architect / Engineering Manager to spearhead our Software Engineering team focused on Chemistry Applications. In this pivotal role, you will work closely with both internal engineering teams and external partners representing some of the most esteemed materials and chemical organizations globally. You will lead your team in developing cutting-edge scientific applications and integrating enterprise systems with Uncountable’s innovative platform, enabling customers to revolutionize their R&D processes. This position places you at the crossroads of leadership, technical strategy, and customer interaction—directly supporting Uncountable’s mission to expedite innovation across sectors such as chemicals, coatings, pharmaceuticals, and beyond.Why Choose Uncountable?Founded by a group of visionary engineers from Stanford and MIT, Uncountable aims to empower R&D teams with superior software solutions. Our platform is already assisting renowned clients like Sika, Clariant, and Mondelez in accelerating their innovation cycles. If you are driven by the desire to create impactful software that advances the frontiers of science and technology, we invite you to join our mission.

The mission of The New York Times is to seek the truth and help people understand the world. Independent journalism is at the heart of our operations, which is why we have a world-class newsroom that sends journalists to report from nearly 160 countries. We prioritize how our readers experience our journalism across various mediums, from print to audio to digital platforms. Our business strategy is focused on delivering high-quality journalism that our audience values and is willing to pay for. About the RoleThe Developer Platforms mission at The New York Times creates foundational platforms, tools, and paved paths that enable product teams to deliver high-quality experiences efficiently and securely. Our Application Delivery team is responsible for the shared software delivery platform (CI/CD and artifact management) and deployment workflows utilized by numerous product teams throughout the organization.We are seeking a Staff Software Engineer to guide the technical strategy of software delivery as a product.This position is hybrid, requiring in-office attendance two days per week at our New York City headquarters. The successful candidate will report to the Engineering Manager of the DevEx Application Delivery team.ResponsibilitiesLead the technical direction of software delivery as a shared product: design paved paths within our platform to enhance code health, release quality, and delivery speed for product teams.Collaborate with Product, engineering leaders, and internal stakeholders to shape the roadmap for the delivery platform, ensuring measurable improvements in quality and speed.Develop scalable, secure, and observable software delivery systems and workflows that enhance reliability, software quality, and velocity.Promote engineering excellence in delivery by establishing best practices for testing, deployment strategies, progressive delivery, and observability, ensuring ease of adoption through the platform.

Astronomer builds tools that help data teams turn complex software, analytics, and AI into practical insights. As the creators of Astro, the unified DataOps platform powered by Apache Airflow®, the company supports dependable data products for over 800 enterprises worldwide. Learn more at www.astronomer.io. Role Overview The Senior Software Engineer - Applications will shape the application-layer services and user interfaces that Astronomer's clients use to manage and scale their data workflows. This position sits on the Astro Private Cloud team, which focuses on building Control Plane services and UIs. Main Responsibilities Design and implement microservices, APIs, and UI components that support deploying, configuring, monitoring, and managing Airflow environments at scale. Work within a Kubernetes-based platform, collaborating with core infrastructure and QA teams. Focus on backend services, APIs, and features that directly impact customers. Contribute to both backend and full-stack development, with a strong emphasis on backend work. Help define product experience, usability, and reliability. Location and Work Arrangement This position is based in New York City and follows a hybrid work schedule.

About WRITERWRITER is at the forefront of AI-driven innovation, empowering leading enterprises to harness the potential of artificial intelligence in their operations. Our mission is to enhance human capabilities through superintelligence. We are making this vision a reality with robust and reliable AI solutions that bridge the gap between IT and business, driving transformative results across organizations. With our comprehensive platform, renowned companies such as Mars, Marriott, Uber, and Vanguard are successfully developing AI agents tailored to their unique data needs, all powered by WRITER's enterprise-grade LLMs. As a company valued at $1.9 billion and supported by prestigious investors like Premji Invest, Radical Ventures, and ICONIQ Growth, WRITER is establishing itself as a dominant force in the realm of generative AI.Founded in 2020 and with headquarters in San Francisco, New York City, Austin, Chicago, and London, our team thrives on innovation and agility. We seek intelligent and dedicated individuals to join us in shaping the future of work through AI. About the RoleIn this pivotal role as a Security Engineer focused on applications at WRITER, you will establish the security framework that safeguards our AI systems, which serve some of the most renowned brands globally. You will collaborate closely with engineering teams, integrating security seamlessly into every line of code while ensuring our platform remains powerful and reliable.This is a unique opportunity to influence the security landscape of enterprise AI applications. You will engage in threat modeling for our LLM architectures and develop automated security controls that scale as our platform expands. Your approach will focus on innovative solutions that enhance security rather than restrict it. You will face challenges that few security engineers encounter, such as securing AI agents, protecting training data pipelines, and designing controls for emerging systems.This position offers flexibility, allowing you to work remotely within the US or in a hybrid capacity from our San Francisco or New York City offices, reporting directly to the head of security engineering.

Join Talan as a Trading Application Support Engineer in New York City, where you will play a crucial role in ensuring the efficiency and reliability of our trading applications. You will work closely with trading teams and developers to troubleshoot issues, implement solutions, and enhance application performance. This is an exciting opportunity for someone passionate about trading technology and application support.

Role overview Smith Engineering is seeking a Director of Design Engineering to lead its design team in New York City. This leader will oversee the development of engineering solutions that meet client requirements and comply with industry standards. The role involves shaping project direction and supporting the growth of a skilled group of engineers. What you will do Guide and manage the design engineering team Drive the creation of efficient, high-quality engineering designs Ensure all work aligns with client needs and industry standards Mentor and develop engineering talent within the team Influence the direction of engineering projects at Smith Engineering

Join the City of New York as the Director of Application Development, where you will lead the strategy and execution of software development initiatives that impact millions of residents. You will oversee a team of skilled developers, driving innovation and excellence in application design and implementation. Your role will be pivotal in enhancing the city's technological infrastructure, ensuring the delivery of robust and user-friendly applications.

About the Role Smith Engineering is hiring a Director of Energy Engineering to guide the energy solutions team in New York City. This senior leader will shape project direction and help set the strategy for energy initiatives across our portfolio. What You Will Do Lead a team focused on delivering energy engineering projects Develop and implement strategies that strengthen our energy solutions Oversee project execution and ensure alignment with company goals What We’re Looking For Extensive experience in energy engineering Proven leadership and team management skills Ability to drive strategic initiatives in a technical environment This position is based in New York City.

About StainlessStainless is an innovative and rapidly expanding technology startup dedicated to revolutionizing the future of APIs. Our esteemed clientele includes industry giants such as OpenAI, Anthropic, and Cloudflare.We have successfully secured over $35 million in funding from prominent investors such as a16z, Sequoia, and founders/C-levels from top companies like Stripe, Datadog, Segment, and Linear.Based in New York City, just west of SoHo, our dynamic team of approximately 60 members is poised to double in size within the next 9 to 12 months.About the RoleIn this pivotal role, you will spearhead product development for the Stainless SDK Studio, which serves as the gateway for everyone from startups to established clients like OpenAI, Anthropic, and Cloudflare.This position reports to our Head of Product Engineering and is available either onsite at our Manhattan office or our newly established San Francisco office.Your ResponsibilitiesDevelop exceptional web experiences for creating and publishing SDKs based on first principles.Review every detail of our product before it reaches customers.Collaborate with our most demanding customers to ensure our Studio meets their evolving requirements.Refine our technical architecture to facilitate rapid product development and scalability.Mentor and guide engineers, fostering their career advancement.Recruit, interview, and onboard top-tier engineering talent.Your ProfileYou have aspirations of being a startup founder and thrive on product creation.You embrace the challenges and dedication necessary to cultivate a flourishing new business line.You possess experience managing high-performing product engineering teams within early or growth-stage startups.You are hands-on and deeply technical, with a nuanced understanding of your team's projects and enjoy providing architectural and product guidance.

This application is exclusively for individuals who are not currently employed by Democracy Prep and will be taking on a stipend-receiving role within our network. Engage in a rewarding opportunity to contribute to our mission while receiving financial support.

Role Overview The City of New York is hiring an Application Developer based in New York City. This position focuses on building and supporting software that helps city services run smoothly and reach residents effectively. What You Will Do Design, develop, and maintain applications that serve the city's diverse population Work closely with colleagues to deliver solutions that support public programs and services Use modern technologies to address real-world needs across city departments

Our MissionAt ReflectionAI, we are dedicated to creating open superintelligence and ensuring its accessibility to everyone.Our innovative team, comprised of AI experts and industry pioneers from leading organizations such as DeepMind, OpenAI, Google Brain, Meta, Character.AI, and Anthropic, is on a mission to develop open-weight models tailored for individuals, enterprises, and even nation-states.FoundationsVision:Our goal is to establish and manage a comprehensive foundations platform that empowers all teams by delivering dependable, scalable developer infrastructure, site reliability engineering (SRE) capabilities, and efficient data ingestion tools, allowing ReflectionAI to accelerate its growth and capabilities.Team ObjectivesWe focus on developing both internal and customer-facing product interfaces that transform our platform's capabilities into practical workflows. This position bridges engineering and product development, converting vague requirements into structured, operable systems and advancing concepts from initial prototypes to robust production components.Design and implement internal product interfaces such as dashboards, administrative tools, and self-service workflows.Oversee the complete delivery process encompassing UI, APIs, authentication, role-based access control (RBAC), and audit trails.Facilitate integration with customer environments and related systems to assure seamless workflows.Transform prototypes into reliable, maintainable, and operable platform components.Clarify ambiguous product requirements into precise system designs and user interfaces.Incorporate delivery insights back into platform patterns and defaults to expedite future releases.Technologies You Will Work WithFull-Stack & API Development: React, TypeScript, REST, gRPC, FastAPI, Go services, and API design.Authentication & Governance: OIDC authentication, RBAC, and audit logging.Workflows & Integrations: Event-driven systems, workflow orchestration, feature flags, and customer integrations.Monitoring & Developer Tools: Dashboards, observability tools, experiment tracking systems, and metrics/log visualization.About YouA solid full-stack engineering foundation with hands-on experience in delivering production-quality applications end-to-end.Proficient in managing the entire delivery surface effectively.

AAX is continually seeking outstanding talent to join our dynamic team.Even if our current openings do not perfectly match your qualifications, we encourage you to submit a speculative application.We value specific skills and experiences, but we are equally interested in exceptional individuals whose aspirations and values align with those of AAX.