Senior Software Engineer, Backend

At Ro, we are revolutionizing the healthcare industry with our direct-to-patient model, dedicated to empowering individuals to reach their health aspirations through seamless and effective care. As the only organization to provide comprehensive telehealth, laboratory, and pharmacy services nationwide, our vertically integrated platform ensures a holistic healthcare journey that spans diagnosis, medication delivery, and continuous care. Since our inception in 2017, we've positively impacted millions of patients across every U.S. county, especially in areas underserved by primary care.Recognized as a Fortune Best Workplace in New York and Health Care for four consecutive years (2021-2024), Ro has also earned accolades as a Best Workplace for Parents three years in a row (2023) and was hailed as a CNBC Disruptor 50 in 2022.We invite you to join our dynamic Care Platform Operations team as a Senior Software Engineer. In this pivotal role, you will design, develop, and maintain robust, scalable backend services that are instrumental in how Ro delivers exceptional care to our patients. Your contributions will facilitate smooth communication between patients and providers, streamline appointment scheduling, and enhance task management workflows. By enabling our clinical and non-clinical teams to respond effectively to patient needs, you will help Ro expand our patient-centric healthcare model to serve millions seeking treatment.Your responsibilities will include designing and implementing innovative applications, refining existing platform functionalities, and shaping Ro's technical architecture. As a senior team member, you will play a crucial role in defining and steering the technical roadmap, managing initiatives from conception through deployment and maintenance. You will collaborate closely with cross-functional teams, including product, design, and data, and have the opportunity to work with security, operations, clinical, and legal experts to ensure our solutions align with the highest standards of quality and compliance.

At Bubble, our mission is clear: we aim to empower everyone to create software. We believe that anyone with a transformative idea should have the means to bring it to life. Our AI-driven visual development platform allows individuals, from first-time entrepreneurs to established enterprise teams, to transform ideas into fully functional, scalable applications across web, iOS, and Android—all without the need for coding or managing complex workflows.As the sole full-stack, cross-device no-code platform, Bubble has garnered over 5 million users across more than 100 countries, breaking down barriers to entrepreneurship and innovation worldwide.Our Achievements:Our platform is thriving, with entire VC-backed companies being built solely using Bubble. After successfully finding product-market fit and eight years of bootstrapping, we secured a $100 million Series A funding round, establishing ourselves as one of the fastest-growing companies within the New York tech ecosystem. The potential of Bubble is demonstrated by our community—individuals are not just launching products; they are creating viable businesses. For instance, Mailead turned a $10k investment in a Bubble product into a $2M valuation, while Faceless.video achieved over $1M in annual recurring revenue within a year.About the Platform Team:Our Platform team is dedicated to enhancing our scaling, reliability, and enablement capabilities as we aim to double our customer base in the coming years. Our responsibilities encompass both scalable infrastructure and our core backend systems. Success in this role means delivering timely capacity, executing workloads rapidly, and guaranteeing data scalability across diverse applications while managing costs and addressing implementation and infrastructure inefficiencies.About the Role:Join a small, elite team tackling challenges faced by the largest cloud providers. This position is an opportunity to be at the forefront of a platform that is revolutionizing the traditional engineering stack globally. Additionally, you will contribute to fostering an inclusive, effective, and collaborative engineering culture. This role requires after-hours and on-call availability.

Join Ro, a pioneering direct-to-patient healthcare company dedicated to empowering individuals in achieving their health aspirations through seamless, effective care. Our unique vertically integrated platform offers nationwide telehealth, laboratory services, and pharmacy solutions, ensuring an end-to-end healthcare experience from diagnosis to medication delivery and ongoing care. Since our inception in 2017, we have positively impacted millions of patients, reaching every county in the United States and covering 98% of primary care deserts.Recognized as a Fortune Best Workplace in New York and in Healthcare for four consecutive years (2021-2024), Ro was also honored as the Best Workplace for Parents in 2023 for the third year in a row and featured in the CNBC Disruptor 50 list in 2022.Role Overview:As a Senior Software Engineer on our Commerce Team, you will be instrumental in crafting reliable and user-friendly commerce solutions that enhance both patient experiences and internal processes.You will design and maintain robust backend services that guarantee swift, secure, and precise payment processing, while integrating with third-party platforms such as Stripe and PayPal. Your responsibilities will include managing edge cases like subscription renewals, transaction failures, and fraud detection. Your contributions will significantly influence customer satisfaction and the overall success of the company.This high-impact, tech-lead position offers extensive accountability and influence across various engineering teams and business stakeholders, making it ideal for individuals who excel in dynamic environments, possess a strong product-driven mindset, and are passionate about developing scalable systems.

About the Role:Parker is dedicated to a bold mission: empowering individuals to achieve financial independence. We believe that by providing independent business owners with essential financial tools, we can help them scale their operations profitably.Our flagship product merges a virtual corporate card with financial software designed for profitability, enabling eCommerce merchants to accelerate growth while effectively managing their margins.To date, we have successfully raised over $180M from top-tier investors, including Valar Ventures, Y Combinator, SVB, and industry pioneers such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound).As a dynamic Series B fintech, we are rapidly expanding, boasting a robust product-market fit, a burgeoning customer base, and a team driven by technical excellence and impactful solutions.We are seeking a Senior Software Engineer – Backend to architect, develop, and scale the critical systems that underpin Parker’s financial platform. In this pivotal leadership role, you will influence backend architecture, data infrastructure, and engineering best practices during our growth phase.You will work collaboratively with Product, Infrastructure, and Data teams to deliver high-performance, reliable systems that handle billions in transactions and empower thousands of merchants. This high-impact position is ideal for engineers who thrive on ownership, relish the challenge of complex systems, and prioritize elegant, maintainable solutions.What You’ll Do:Design and scale backend services that drive Parker’s financial products and APIs.Lead architectural strategies to guarantee performance, reliability, and scalability across our systems.Develop and maintain services in a modern cloud-native environment (Node.js, PostgreSQL, Docker, Kubernetes, AWS).Collaborate with product and infrastructure teams to create secure, user-friendly APIs and data models.Promote engineering excellence through code reviews, mentorship, and architectural guidance.Identify performance issues and spearhead initiatives to enhance reliability, observability, and system design.Contribute to the advancement of Parker’s technical roadmap and long-term engineering vision.

About AKASAAt AKASA, we are on a transformative journey to redefine healthcare through the power of artificial intelligence. As a trailblazer in generative AI solutions tailored for the healthcare revenue cycle, we empower health systems to accurately capture and relay the complete patient clinical journey. By enhancing operational efficiency, we enable these systems to prioritize what truly matters: delivering exceptional patient care. With over $205 million raised in funding from esteemed investors like Andreessen Horowitz, BOND, and Costanoa Ventures, our future is bright.Now is the most thrilling time to become part of AKASA. Since launching our innovative AI-native product suite in 2024, revenue bookings have surged over 20 times. We have set records by closing the largest deals in our company’s history three times in a row, driven by the substantial advancements we've made in clinical quality and documentation accuracy—two critical areas for health system leaders.Our implementations have garnered national attention, being recognized as "one of the most comprehensive real-world applications of GenAI in healthcare finance to date" (link). Our clientele represents over $120 billion in net patient revenue and includes pioneering health systems like Cleveland Clinic, Duke, Stanford, and Johns Hopkins.Recently, we have been honored with accolades such as being named the #1 most promising healthcare RCM startup of 2025 by Black Book Market Research and listed among the fastest-growing GenAI startups to watch by AIM Research. Our CEO has been recognized as one of the “Top 50 Healthcare Technology CEOs” by the Healthcare Technology Report, and we have proudly maintained our status as a “Great Place to Work” for five consecutive years.Join us as we build on this momentum to redefine the possibilities within healthcare. We seek exceptional talent to help accelerate this mission.About the RoleAs a Senior Backend Software Engineer, you will develop AI-driven solutions for our Clinical Documentation and Medical Coding suite. Collaborating closely with product, design, and machine learning teams, you will design and implement services, APIs, and tools that enhance our SaaS offerings. You will have the opportunity to work on groundbreaking projects that directly impact healthcare delivery.

About Us:Ether.fi stands as one of the leading cryptocurrency companies globally, managing over $10 billion in assets with a predominantly technical team of 30 members. We have achieved profitability from day one and are dedicated to developing impactful consumer applications.Our vision encompasses the evolution of genuine on-chain banking. Our innovative products—Stake, Liquid, and Cash—empower users to earn yield through diverse DeFi strategies while facilitating real-world spending via our credit cards. Public analytics for Cash and Stake are available for review.Position Overview:We are in search of a senior backend software engineer to take charge of our core backend architecture, transaction processing, and ensuring high availability. You will be part of a pivotal engineering team committed to delivering distributed, scalable, and resilient backend systems. This includes card transaction processing, low-latency APIs, microservice architectures, and on-chain data indexing—essentially, everything a neobank would aspire to build is on our roadmap.Responsibilities:Take ownership of critical components within our backend systems, enhancing functionality to boost throughput and reduce latency.Design, develop, and optimize scalable transaction processing services to facilitate high-throughput, low-latency financial transactions.Address challenges related to user friction during card transaction declines.Enhance our Cloud Infrastructure, CI/CD pipelines, automation, observability, and monitoring systems.Qualifications:Solid foundation in software engineering principles and problem-solving abilities.Proven experience in shipping remarkable products that serve thousands of real users.A minimum of 5 years of professional coding experience.A strong drive and a commitment to excellence; we are a highly ambitious team with bold goals, and we strive diligently to achieve them.Experience in web3 technologies is a plus.Perks and Benefits:Competitive salary and performance-based incentives.

Join SeatGeek: Where Live Events Come to LifeAt SeatGeek, we believe that live events are transformative experiences that bring people together. Our mission is to revolutionize the ticketing industry through innovative technology and a customer-centric approach.The Platform team plays a crucial role in this journey by providing a robust and secure foundation for product development and deployment. By simplifying processes and offering user-friendly, self-service tools, we empower teams across SeatGeek to focus on delivering exceptional experiences without unnecessary complexities.We are seeking skilled Platform Engineers to enhance and expand our platform. In this position, you will collaborate with cross-functional teams to design and implement solutions that are user-friendly, scalable, and adaptable to diverse team requirements. Your contributions will ensure that SeatGeek teams can build and deliver products smoothly, particularly during critical operational moments.

Join our client's innovative team at bloomforthcorp, where we are revolutionizing project management through advanced artificial intelligence software. As a Senior Backend Software Engineer, you will have the opportunity to contribute to a dynamic and diverse team that is dedicated to creating high-quality, impactful products at scale. This is a unique chance to join an early-stage, high-performing team committed to a mission that aims to transform how teams across the globe tackle challenges with AI-enhanced management.In this role, you will lead the backend development efforts, crafting exciting new features and complex interfaces while making critical technical decisions that influence the product's direction. Your expertise in Ruby on Rails will be pivotal in driving our backend team’s success.Our Technology Stack includes: Rails, Typescript, and React.

About Pangram LabsAt Pangram Labs, we are dedicated to ensuring authenticity through the development of cutting-edge AI detection systems. Our team is at the forefront of research, creating algorithms and products that integrate our advanced technology into everyday life.We seek individuals who are proactive, mission-focused, and passionate about innovation to join our in-person team based in Brooklyn, New York.About the RoleWe are on the lookout for a Senior Software Engineer with a backend emphasis to design, implement, and scale our production systems, which support our core technology for a rapidly expanding user base.In this senior-level position, you will be responsible for the backend infrastructure that drives Pangram's AI detection platform. You will have the autonomy to make architectural decisions, tackle complex scaling challenges, and ensure that our systems remain reliable and efficient as user demand increases. Collaborating closely with our frontend and machine learning teams, you will work primarily with our Django backend and AWS infrastructure.What You'll DoDesign and develop scalable backend services and APIs to deliver AI detection features effectively.Ensure the reliability, performance, and observability of our production systems.Architect and manage data pipelines, caching layers, and service infrastructure using AWS.Collaborate with machine learning engineers to deploy and manage machine learning models in production.Identify and resolve performance bottlenecks as user traffic and system complexity increase.Establish and enhance engineering best practices related to testing, deployment, and incident management.

Clear Street develops technology that opens access to a wide range of assets for sophisticated investors in global markets. The company’s cloud-native platform is built for speed and transparency, supporting both institutional and modern investment needs. Clients use tools and services previously available only to major institutions, now adapted for today’s markets. The team combines experienced engineers and finance professionals to create essential solutions for the financial sector. Engineers at Clear Street work on platforms that serve institutional clients and drive technical progress in finance. The team values collaboration, creativity, and a strong work ethic, supporting growth with modern technologies that have a direct impact on the industry. Role overview The Senior Backend Software Engineer role centers on building backend systems for financial applications, with a focus on digital assets. This position involves designing, developing, and supporting scalable backend services for trading platforms, payment systems, and digital asset infrastructure. The work blends traditional finance with decentralized technologies and calls for rigorous engineering in a rapidly changing environment. Key responsibilities Design and implement backend services and APIs for financial applications. Build and maintain systems for trading, settlement, and asset custody, covering both fiat and cryptocurrency. Integrate with blockchain networks such as Ethereum and Bitcoin, along with third-party financial APIs. Ensure systems are reliable, secure, and scalable for high-throughput operations. Develop and maintain data pipelines to support efficient information flow. More information about Clear Street is available at https://clearstreet.io.

Join our innovative team at fuboTV as a Senior Software Engineer, Platform. In this role, you will be responsible for developing and maintaining our core platform that powers our streaming services. You will work closely with cross-functional teams to design scalable solutions that enhance user experience and drive business growth.

DiligenceSquared is in search of a pioneering Backend Engineer to join our team as we revolutionize the landscape of market due diligence through cutting-edge AI technology. In this foundational role, you will be instrumental in designing the architecture for our AI-driven engine, which coordinates autonomous research agents and voice AI systems to produce innovative market reports tailored for investment professionals, including those in Private Equity, Hedge Funds, Private Credit, and Corporate M&A.About DiligenceSquaredAt DiligenceSquared, we are transforming commercial due diligence for Private Equity funds. Backed by Y Combinator and having successfully raised a substantial Seed round, we are proud to serve some of the globe's largest PE funds. The market opportunity exceeds $10 billion annually, with PE firms spending up to $1 million per report from consulting giants such as McKinsey, BCG, and Bain. Our AI agents streamline this process, delivering faster, cost-effective, and fully auditable results, linking every claim to its source.Our founding team comprises seasoned professionals from Blackstone and BCG, bringing invaluable insights into the market's needs, which we are now automating.Your Responsibilities:Develop comprehensive product features and experiences from start to finish, including database models, API endpoints, and their integration with UI components for our web and AI Voice Agent application.Design and implement new AI-driven modules from the ground up (e.g., market sizing, competitive analysis) that will become core functionalities of our research platform.Build and maintain product foundations that include AI agent orchestration, voice AI pipelines, application and API performance, and intelligent automations.Architect scalable backend services featuring complex asynchronous processing and background task orchestration.Continuously improve the product by applying insights gained from each project, ensuring we progress by 1% every day (the Law of Compounding is real, especially for a team founded by investment professionals).Qualifications:Minimum of 3 years of professional experience in Python backend development.Proven expertise in building production-ready APIs using frameworks like FastAPI, Django, or equivalent.Experience in developing agentic systems leveraging large language model platforms (e.g., Anthropic, OpenAI).Hands-on experience with LLMs in a production environment, focusing on building reliable agentic systems rather than just API calls.Knowledge of PostgreSQL and SQL database design.Strong problem-solving and analytical skills with a passion for innovative technology.

Noise Labs is building tools that blend diverse online data and market insights to help users navigate uncertain times. Based in SoHo, New York City, the team is small (10 people), collaborative, and values thoughtful design and high-quality engineering. Remote work is possible. What You’ll Do Develop backend systems that power consumer features such as feeds, ranking algorithms, notifications, real-time interactions, and social elements. Build and maintain a codebase that supports both developer and automated agent confidence. Own core product services, data flows, and APIs. Design infrastructure where speed and accuracy matter, especially for settlement, pricing, and real-time financial transactions. Improve the development environment, including CI, testing, and observability. Requirements Skilled in using AI tools to speed up development. Strong judgment for balancing latency and accuracy in financial systems. Deep experience with TypeScript, relational databases, real-time communications, and event-driven data flows in finance. Comfortable working in a strict monorepo setup with clear service boundaries and conventions. Ability to independently debug and improve the development pipeline. Clear communicator for async updates, incident reviews, and team problem-solving. Bonus Points Experience with Effect-TS. Side projects, open source work, or previous startup experience. Compensation and Benefits The minimum full-time salary ranges from $160,000 to $210,000, in compliance with New York City's Pay Transparency Law. Full-time employees at Noise Labs are also eligible for additional compensation, including equity and benefits, based on the specific role.

Join our dynamic team at Grow Therapy as a Senior Backend Software Engineer. In this role, you will leverage your expertise in backend development to design, implement, and maintain robust and scalable applications. You will work collaboratively with cross-functional teams to drive innovation and enhance our platform, ensuring a seamless experience for our clients.

Why Join Auctor?At Auctor, we are pioneering the AI framework for professional services and software implementation. Imagine us as the intelligence behind the most skilled solution engineers, forward-deployed engineers, and onboarding teams—streamlining documentation, discovery, and decision-making that influences over $400 billion in service work. We are targeting one of the most significant software sectors of this decade.Position OverviewAs a Senior Backend Software Engineer at Auctor, you will take charge of engineering initiatives across our software suite. Collaborating closely with our operations, GTM, and deployed services teams, you'll develop cutting-edge systems that deliver exceptional value to our clients.We seek individuals eager to engage in the most impactful work of their careers—those who are intelligent, quick, and relentless. This is a role that demands speed, execution, and the opportunity to create something remarkable.This position is based in New York, NY, requiring in-person attendance five days a week.

Join our dynamic team at Flex Ltd. as a Senior Backend Software Engineer! In this pivotal role, you will be responsible for designing and implementing robust backend solutions that power our innovative applications. You will collaborate with cross-functional teams to enhance system performance, scalability, and user experience.We're looking for a passionate engineer who thrives in a fast-paced environment and is eager to tackle complex challenges. Your expertise will drive the development of high-quality software that meets the needs of our clients.

Join Centari - A Leader in Deal IntelligenceAt Centari, we are revolutionizing high-stakes dealmaking by unlocking the potential of private deal data. As we develop the future's deal intelligence platform for law and finance, we go beyond mere automation, embracing a data-driven approach to empower negotiation teams globally with strategic insights. Our proprietary Deal Reasoning Engine transforms complex documents into invaluable knowledge, ensuring our clients have the upper hand in negotiations.Our dynamic team consists of attorneys, financial experts, and engineers who thrive in a hybrid, cross-cultural environment. We are proud to be supported by leading enterprise AI investors, including GTMfund, former DoorDash board member Jeremy Kranz, Seamless co-founder Andy Appelbaum, Jack Altman, South Park Commons, and Recall Capital.We embrace complexity, as it is the breeding ground for innovation. If you are a builder who excels in ambiguity and embodies radical ownership, we want to connect with you.For further details, visit centari.com or follow us on LinkedIn.Role OverviewWe are seeking a Senior Backend Software Engineer to join our innovative product team. You will play a pivotal role in designing and developing Centari's core AI technology. Collaborating with fellow engineers who share a passion for action, you will write code, influence product direction, engage with clients, and drive projects from concept through to implementation.Our technology stack includes Go and React/TypeScript, utilizing state-of-the-art LLM technologies across our infrastructure, search, and persistence layers. If you have a passion for building impactful LLM applications and enjoy tackling complex challenges, we want to hear from you.

Join SeatGeek and Transform Live Events!At SeatGeek, we are driven by the belief that live events create unforgettable experiences that bring people together. Our focus on technology and a fan-first approach is revolutionizing the ticketing industry.The Platform organization plays a vital role in realizing this vision by delivering a secure and dependable foundation for product development and deployment. We strive to simplify complexity and provide robust, self-service tools and workflows, empowering our teams to operate confidently, especially during critical moments.We are on the lookout for a Senior Platform Engineer to enhance our Cloud Platform team within the Platform organization. In this pivotal role, you will design, develop, and manage the core cloud, compute, and networking platforms that serve all engineering teams at SeatGeek. Our Cloud Platform engineers are dedicated to building scalable infrastructure, resilient networking solutions, and clearly defined pathways that enable teams to deploy their services safely and efficiently.With more services and deployments than developers, the need for automation, standards, and reliability is paramount. The Cloud Platform team supports both our Enterprise and Consumer sectors, scaling ticketing platforms utilized by world-class partners and millions of fans.

At Plaid, we envision a future where financial interactions become seamless and intuitive. Our mission is to empower this evolution by developing innovative tools and experiences that enable thousands of developers to create impactful products. We are the backbone for millions who aspire to achieve better financial health, partnering with leading companies such as Venmo, SoFi, and several Fortune 500 firms, as well as major banks, to facilitate effortless connections between financial accounts and the applications that enhance everyday life. Our expansive network spans over 12,000 financial institutions across the U.S., Canada, the UK, and Europe. Founded in 2013 and headquartered in San Francisco, we also have vibrant offices in New York, Washington D.C., London, and Amsterdam.