Senior Software Engineer Jobs in New York, USA

Senior Software Engineer at Bastion. Apply via Ashby.

<div class="content-intro"><h4><strong>Join Axon and be a Force for Good.</strong></h4> <p>At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other.<br><br>Life at Axon is fast-paced, challenging and meaningful. Here, you’ll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter.</p></div><h3><strong>About Axon 911</strong></h3> <p>Axon 911 brings together Prepared and Carbyne under Axon. Together, we are creating the only platform that combines modern 911 infrastructure with an AI intelligence layer—helping public safety agencies move faster, make better decisions, and deliver better outcomes in the moments that matter most.<br><br>911 is the backbone of public safety, yet the professionals behind it have long been held back by outdated technology. Axon 911 is here to change that. Joining this team means more than taking a job—it means helping shape the future of emergency response and building a safer, more connected world.</p> <h3>Position Overview</h3> <p>We are looking to hire backend-focused software engineers on the Prepared team who share our passion for our mission. This is an opportunity to join a growing engineering team and make a large impact while operating with a high degree of autonomy and ownership.</p> <p>This is a <strong data-start="606" data-end="621">hybrid role</strong>, with an expectation of four days per week in our Manhattan office.<br><br>In this role, you will tackle challenging engineering problems in spaces like audio/video processing and generative AI to bring new features and products from inception to scale, thoughtfully balancing speed and the high bar for stability necessitated by the mission-critical nature of our products. As an early member of the team, you will also play a key role in shaping the foundation of Prepared’s engineering culture.</p> <h3>What You’ll Do</h3> <ul> <li>Collaborate cross-functionally to architect and launch new user-facing features and products</li> <li>Design and drive initiatives to improve the availability and reliability of our backend systems</li> <li>Continuously help improve the engineering processes and tools that allow us to scale the codebase and team</li> <li>Provide mentorship to less experienced engineers</li> <li>Travel occasionally to support customer deployments and onsite implementations</li> </ul> <h3>What Makes You a Great Fit</h3> <ul

Senior Software Engineer, Perpetuals at Polymarket. Apply via Ashby.

<h2><strong>Who We Are</strong></h2> <p>The Farmer’s Dog was born from a mission to change the landscape of pet health, providing dogs and their humans with honest, smart, and simple care. We’re starting by radically improving the $90 billion pet food industry, replacing bags of highly-processed pellets with a personalized subscription service that sends complete and balanced, freshly-made dog food directly to customers’ doors. Our ultimate goal is to create innovative, delightful and personalized experiences across all aspects of pet care, and we believe our direct-to-consumer business model, holistic approach to growth, and dynamic culture uniquely position us to shepherd this backwards industry into the future.</p> <p>To date, The Farmer’s Dog has delivered over 1 billion meals nationwide and raised over $150M in funding to help us build a company as healthy as the dogs who are eating those meals. Join us as we continue to develop ways of bringing peace of mind to customers, health to their companions, </p> <h2><strong>What We Stand For and Where You'll Come In</strong></h2> <p>At The Farmer’s Dog, we believe the best customer experience comes from owning the technology that powers it. That’s why we design, build, and operate our systems in-house, from subscription and e-commerce to fulfillment and delivery, so that every dog and human gets the right experience, every time.</p> <p>Our engineers work on problems that matter and that are hard: evolving systems to support rapid growth, building platforms flexible enough to serve customers with many different needs, and creating product experiences that didn’t exist before.</p> <p>You’ll join a group of talented engineers and managers who care deeply about building reliable, scalable systems and about working well together. Here, you’ll have the space and agency to help scale the business, solve novel customer problems, and build strong relationships along the way.</p> <p>If you want to make an outsized impact on technology, on customers, and on the lives of dogs everywhere this is the right place for you.</p> <p><strong>One Team:</strong> We don’t think of ourselves as “Acquisition Marketers”, “Engineers”, “Data Analysts”, or “Product Managers”. Beyond denoting skill sets and areas of expertise, we don’t think departments matter. We’d rather align ourselves to the goals we’re working to achieve and make sure we have necessary subject matter expertise to drive meaningful impact. We strive to orient ourselves around customer problems TOGETHER – getting the right people, with the right context, in the right rooms/Zooms to solve problems holistically.</p> <p><strong>We are skeptical about everything and precious about nothing:</strong>  Ideas can and should come from anywhere, and we aren’t tied to our own. We proactive

<h2><strong>Who We Are</strong></h2> <p>The Farmer’s Dog was born from a mission to change the landscape of pet health, providing dogs and their humans with honest, smart, and simple care. We’re starting by radically improving the $90 billion pet food industry, replacing bags of highly-processed pellets with a personalized subscription service that sends complete and balanced, freshly-made dog food directly to customers’ doors. Our ultimate goal is to create innovative, delightful and personalized experiences across all aspects of pet care, and we believe our direct-to-consumer business model, holistic approach to growth, and dynamic culture uniquely position us to shepherd this backwards industry into the future.<br><br>To date, The Farmer’s Dog has delivered over 1 billion meals nationwide and raised over $150M in funding to help us build a company as healthy as the dogs who are eating those meals. Join us as we continue to develop ways of bringing peace of mind to customers, health to their companions, and much-needed change to the way people feed and care for their pets.</p> <p>#LongLiveDogs</p> <h2><strong>What We Stand For and Where You’ll Come In</strong></h2> <p>At The Farmer's Dog, we believe the best customer experience comes from owning the technology that powers it. That's why we design, build, and operate our systems in-house, from subscription and e-commerce to fulfillment and delivery, so that every dog and human gets the right experience, every time.</p> <p>Our engineers work on problems that matter and that are hard: evolving systems to support rapid growth, building platforms flexible enough to serve customers with many different needs, and creating product experiences that didn't exist before.</p> <p>You'll join a group of talented engineers and managers who care deeply about building reliable, scalable systems and about working well together. Here, you'll have the space and agency to help scale the business, solve novel customer problems, and build strong relationships along the way.</p> <p>If you want to make an outsized impact on technology, on customers, and on the lives of dogs everywhere this is the right place for you.</p> <p>As a Senior Software Engineer on the Customer Care Tools & Intelligence (CCTI) team, you'll be at the center of how our Customer Care Advisors deliver iconic care. Our goal is to empower advisors to provide personalized care that meets each customer’s needs, by building thoughtfully designed tools powered by AI and other technologies. We build and maintain the internal CRM and tooling that advisors use every day. You'll work full stack across our CRM, backend services, and AI integrations, partnering closely with Customer Care, Data Science, and Design to turn advisor pain points into elegant, high-impact solutions.</p> &l

Senior Software Engineer, Platform Engineering at Rillet. Apply via Ashby.

<div class="content-intro"><p> </p> <p> </p></div><h4><strong>About the Role</strong></h4> <p>Sigma is transforming<strong> </strong>how <strong>businesses </strong>run by delivering a high performance platform on modern data architecture. Hence, we are growing the engineering team and looking for engineers who are excited to solve challenging problems, deliver impactful capabilities throughout our stack to build world-class technology. You will be part of a talented team of engineers with a shared mission to make data easily accessible for all users.</p> <p><strong>What You Will Be Doing</strong></p> <ul> <li>You will be responsible for developing elegant and responsive user experience using the latest front-end technologies. You'll own substantial pieces of the product, from design to launch</li> <li>Working with our product, UX design, and backend development teams, you will develop new features and technologies that make our product experience awesome and radically simplify the user experience for non-technical users</li> <li>You will leverage your technical expertise in front-end application development in the creation of novel visualizations for structured and unstructured data and develop new techniques for improving the performance and interactivity of the application</li> <li>Use modern frontend frameworks like <strong>React, GraphQL, TypeScript </strong>and<strong> Node.js</strong> </li> </ul> <p><strong>Qualifications We Need</strong></p> <ul> <li>5+ years industry experience building and maintaining high-quality software</li> <li>An eye for great design and a passion for building products that provide a great user experience</li> <li>The ability to make the right trade-offs between functionality and delivery speed that supports delivering value to customers, all the while iterating based on feedback and roadmap priorities</li> <li>Desire to be a great teammate and have fun at work without compromising ownership towards your work</li> <li>Strong sense of craftsmanship, and a healthy academic curiosity to solve challenges at sigma</li> <li>Strong computer science fundamentals</li> </ul> <p><strong>Qualifications We Want (also, skills you’ll learn!)</strong></p> <ul> <li>Experience building software capabilities for analyzing large scale data web applications </li> <li>Prior experience working at high growth company solving technical problems to enable continued success</li> </ul> <p class="p1"><strong>Additional Job details</strong></p> <p class="p1">The base salary range f

<div class="content-intro"><p> </p> <p> </p></div><h4><strong>About the Role</strong></h4> <p>Sigma is transforming<strong> </strong>how <strong>businesses </strong>run by delivering a high performance platform on the modern data architecture. Hence, we are growing the engineering team and looking for engineers who are excited to solve challenging problems, deliver impactful capabilities throughout our stack to build world-class technology. You will be part of a talented team of engineers with a shared mission to make data easily accessible for all users.</p> <p><strong>What You Will Be Doing</strong></p> <ul> <li>Solve challenging problems that arise in providing an interactive experience on data warehouses for data exploration and analysis</li> <li>Build with modern tools and languages like<strong> Rust, Go, GraphQL, Node, </strong>and <strong>Kubernetes</strong></li> <li>Build backend distributed services, new algorithms and modern API to support a cloud application</li> <li>Triage product or system issues and debug/track/resolve by analyzing the sources of issues</li> <li>Design and implement new software features to support our fast growing user base</li> <li>Collaborate with peers and stakeholders through design and code reviews to ensure best practices amongst available technologies</li> </ul> <p><strong>Qualifications We Need</strong></p> <ul> <li>2+ years industry experience building and maintaining high-quality software</li> <li>Experience building and deploying robust and secure web applications in a continuous deployment environment</li> <li>Desire to be a great teammate and have fun at work without compromising ownership towards your work</li> <li>Strong sense of craftsmanship, and a healthy academic curiosity to solve challenges at sigma</li> <li>Strong Computer Science fundamentals</li> </ul> <p><strong>Qualifications We Want (also, skills you’ll learn!)</strong></p> <ul> <li>Data driven aptitude and its application to solve distributed system problems</li> <li>Data model design, and API development experience</li> <li>SQL query optimization and database internals</li> <li>Administered cloud service infrastructure (GCP, AWS, Azure)</li> <li>Prior experience working at high growth company solving technical problems to enable continued success</li> </ul> <p class="p1"><strong>Additional Job details</strong></p> <p class="p1">The base salary range for this position is $170k - $240k annually.</p> <p class="p1">Compensation ma

<div class="content-intro"><p> </p> <p> </p></div><h4><strong>About the Role</strong></h4> <p>We are growing the engineering team and looking for engineers who have the chops to build and deliver world-class technology. You will be part of a talented team of engineers with a shared mission to make data easily accessible.</p> <p><strong>What You Will Be Doing</strong></p> <ul> <li style="font-weight: 400;"><span style="font-weight: 400;">Solve challenging problems that arise in providing an interactive experience on data warehouses for data exploration and analysis.</span></li> <li style="font-weight: 400;"><span style="font-weight: 400;">Build with modern tools and languages like Rust, Go, GraphQL, and Kubernetes</span></li> <li>Build infrastructure to support a modern cloud application</li> <li>Develop new algorithms and techniques for improving the performance and interactivity of our multi-tenant cloud application</li> <li style="font-weight: 400;">Design and implement new technologies and features to support our fast growing user base</li> <li style="font-weight: 400;"><span style="font-weight: 400;">Collaborate with cross-functional groups - backend, frontend, design, product, customer support, sales and marketing to build an innovative product</span></li> </ul> <p><strong>Qualifications We Need</strong></p> <ul> <li><span style="font-weight: 400;">Strong Computer Science fundamentals</span></li> <li><span style="font-weight: 400;">5+ years industry experience building and maintaining high-quality software</span></li> <li><span style="font-weight: 400;">Experience building and deploying robust and secure web APIs</span></li> <li><span style="font-weight: 400;">Desire to be a great teammate and have fun at work</span></li> <li>Strong sense of craftsmanship, and a healthy academic curiosity</li> </ul> <p><strong>Qualifications We Want (also, skills you’ll learn!)</strong></p> <ul> <li><span style="font-weight: 400;">Experience building systems for data analytics</span></li> <li><span style="font-weight: 400;">Distributed systems monitoring and profiling skills</span></li> <li><span style="font-weight: 400;">Knowledge of cloud application security models</span></li> <li><span style="font-weight: 400;">SQL query optimization and database internals</span></li> <li><span style="font

<div class="content-intro"><p> </p> <p> </p></div><h3><strong>Senior Software Engineer  - Observability and Reliability</strong></h3> <h4><strong>About the Role</strong></h4> <p>We are growing the engineering team and looking for engineers who have the chops to build and deliver world-class technology. You will be part of a talented team of engineers with a shared mission to make data easily accessible.</p> <p><strong>What You Will Be Doing</strong></p> <ul> <li>Build observability tools and platforms, including: metrics, logging, distributed tracing, dashboarding, alerting, application performance management</li> <li>Build with modern tools and languages like Go, Open Telemetry and Kubernetes</li> <li>Participate in on-call rotation and ensure uptime of services</li> <li>Create runtime tools/processes that optimize cloud triaging and limit downtime</li> <li>Define best practices around making our systems and services measurable</li> <li>Collaborate with peers and stakeholders through design and code reviews to ensure best practices amongst available technologies. We expect successful candidates to be coding a majority of their time</li> </ul> <p><strong>Qualifications We Need</strong></p> <ul> <li>Strong Computer Science fundamentals</li> <li>5+ years industry experience building and maintaining high-quality software, especially software other engineers use</li> <li>You apply a product mindset to infrastructure systems and feel accomplished enabling others</li> <li>Desire to be a great teammate and have fun at work</li> <li>Strong sense of craftsmanship, and a healthy academic curiosity</li> </ul> <p><strong>Qualifications We Want (also, skills you’ll learn!)</strong></p> <ul> <li>Experience building systems for data analytics</li> <li>Distributed systems monitoring and profiling skills</li> <li>Knowledge of cloud application security models</li> <li>Administered cloud service infrastructure (GCP, AWS, Azure)</li> <li>Startup experience</li> </ul> <p><strong>Additional Job details</strong></p> <p><strong>Additional Job details</strong></p> <p>The base salary range for this position is $170k - $240k annually.</p> <p>Compensation may vary outside of this range depending on a number of factors, including a candidate’s qualifications, skills, competencies and experience. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work at Sigma Computing. This role is eligible for stock options, as well as a compre

Senior Software Engineer at Kale. Apply via Ashby.

<div class="content-intro"><p>Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team?</p></div><h3><strong>About the role</strong></h3> <p>Flex is looking for a Senior Software Engineer to join our Risk Engineering team. This role involves spearheading the implementation of platforms and APIs crucial for supporting business features within the risk management domain.<br><br>The Risk Engineering team is dedicated to mitigating both credit risk, fraud risk, and risk for launching new products. Our mission is to enhance Flex app accessibility for customers while safeguarding against improper use and unauthorized access by identifying and preventing misuse across all core product areas.<br><br><strong>Following are some projects/systems in Risk Platform you will have opportunities to work with:</strong></p> <ul> <li>Core decision platform which is an end-to-end solution for the enterprise decision management lifecycle, including business rule management, analytics, process management, and ML/AI.</li> <li>Event data stream ingestion which supports near real-time fraud rules setup. </li> <li>Advanced a/b testing and experimentation capabilities for our customers so they can leverage greedy algorithms and fight fraud. </li> </ul> <p><strong>What You'll Do:</strong></p> <ul> <li>Build decision platform / machine learning solutions to respond to/mitigate business risks in Flex.</li> <li>Design and develop 24/7 high-scale APIs and distributed systems. The tech stack will be on AWS. Java would be the language for the existing code base. Java Spring Boot will be the framework. </li> <li>Work closely with product, design, and engineering peers to launch new features across our web and mobile platforms </li> </ul> <h3><strong>Qualifications</strong></h3> <h4><strong>Minimum Qualifications</strong></h4> <ul> <li><strong>Must-have</strong>: Experience working in a risk engineering team, specializing in rules engine architecture or risk/credit/fraud systems.</li> <li><strong>6+ yea

Senior Software Engineer, C++ at Stellar. Apply via Ashby.

Senior Software Engineer, Core at Stellar. Apply via Ashby.

Senior Software Engineer, Wallets at Stellar. Apply via Ashby.

Senior Software Engineer (AI Agents) at Traba. Apply via Ashby.

Senior Software Engineer (Applied AI) at Traba. Apply via Ashby.

Senior Software Engineer at Beacons. Apply via Ashby.

Senior Software Engineer Data & AI at Vendelux. Apply via Ashby.

Senior Software Engineer - Streaming Platform (NORAM) at Datadog. Apply directly on Datadog's jobs board.