Staff Backend Engineer (Python) - Join Our Dynamic Team

About BettermentBetterment is a premier technology-oriented financial services firm dedicated to enabling individuals and investment advisors to realize their investment and retirement goals. Our commitment is to empower people to build wealth confidently and effortlessly. Based in New York City, we embrace a hybrid work model, requiring in-office attendance four days a week. About the RoleThe Broker Dealer serves as the foundational backbone of the Betterment platform. On any given day, we reliably transfer millions of dollars, ensuring that every transaction is meticulously vetted through a comprehensive series of risk assessments to maintain strict regulatory compliance. The efficiency and intelligence invested in this system directly enhance the value we provide to our customers. We are seeking talented engineers who can tackle complex backend scaling, software design, and optimization challenges. In the capacity of Staff Engineer within our Broker Dealer team, you will play a pivotal role in shaping our technical strategy, enhancing system reliability, ensuring timely project delivery, mentoring a team of exceptional engineers, and facilitating the scaling of our systems as we embark on our next growth phase.This position is based out of our NYC office, with a mandate of in-office attendance from Monday to Thursday. Below, we have outlined the base salary range for this role. Actual salaries may vary based on various factors including but not limited to location, experience, and performance. The listed range is just one aspect of Betterment's comprehensive compensation package for employees.New York City: $210,000 - $245,000We offer a competitive equity package, health, dental, and vision insurance, life and AD&D insurance, short-term and long-term disability coverage, employee assistance programs, commuter and parking benefits, flexible spending accounts, health savings accounts, and a 401(k) plan with employer matching, alongside a flexible paid time off policy. This position may also qualify for variable compensation in the form of a company incentive bonus.A Day in the LifeDrive the technical vision and long-term strategy of the team.Develop cutting-edge trading and money-movement technologies that empower clients to maximize their financial resources, enhancing their quality of life.Tackle challenging problems head-on. Your innovative ideas will be immediately put into action, as we believe in experimentation and iterative improvement.

Join rogo as a Staff Backend Engineer specialized in Financial Data, where you will play a crucial role in developing robust backend systems that handle critical financial data processes. You will work closely with cross-functional teams to create scalable solutions that meet the evolving needs of our clients.

About AnthropicAt Anthropic, our mission is to design AI systems that are reliable, interpretable, and steerable. We aim to ensure that AI technology is safe and advantageous for both our users and society as a whole. Our rapidly expanding team consists of dedicated researchers, engineers, policy experts, and business leaders collaborating to create beneficial AI systems.About the Role:We are in search of seasoned, product-oriented Software Engineers to take ownership of the backend systems that enhance user experiences across our API, Claude Code, and Claude.ai. In this role, you will independently define complex, multi-month projects within ambiguous problem domains and guide your peers in making technical and product-related decisions. You will align with product management, engineering teams, and research to identify capability gaps and translate cutting-edge model advancements into deployable products. Your architectural decisions will significantly impact the reliability and scalability of systems serving hundreds of thousands of global users, including internal teams, while you remain actively engaged with the code and our models.We are currently hiring for multiple teams. Team assignments will be made post-interview, considering your preferences and experience alongside organizational requirements. This flexible approach allows us to pair talented engineers with backend product initiatives where they can make the most significant impact and experience the most growth:API Core: You will develop and enhance the foundation of the Claude API—systems that deliver Claude's intelligence to developers ranging from startups to large enterprises. You will manage the performance, reliability, and efficiency of our core serving path, ensuring users derive maximum speed and value from our models. Collaboration with inference and safeguards will be key to optimizing the entire stack.API Capabilities: You will empower developers by integrating frontier model capabilities into the Claude API, overseeing core features such as vision, tool usage, and computer interaction. Your responsibilities will include launching new models and delivering the building blocks that enhance Claude's capabilities with each release, working directly with research and inference to productionize future advancements.API Knowledge: Your focus will be on transforming Claude into a true knowledge worker by ensuring the model has timely access to the right information. You will facilitate secure data access for developers, enabling Claude to automatically process and retrieve relevant data as needed.

About madecardAt madecard, our mission is to empower homeowners by saving them time, money, and stress. Central to this mission is the Made Card, a credit card crafted specifically for homeowners that offers unmatched rewards on mortgage payments, home improvements, utilities, and essential purchases. Each transaction fuels a personalized home management platform, allowing users to oversee home systems and appliances, anticipate maintenance needs, and access support—from AI-driven insights to in-person services—precisely when they need it.We collaborate with leading national partners in the residential homeownership sector, including mortgage lenders and home service providers, which enables us to reach millions of households nationwide and deliver substantial benefits to homeowners.Supported by prestigious investors such as Village Global, Jump Capital, Recharge Capital, and Soma Capital, our leadership team boasts extensive expertise in fintech, mortgage, and credit card industries, having held roles at Ramp, Bain Capital, JP Morgan Chase, American Express, and Morgan Stanley. We are dedicated to building a financial and engagement platform for the next generation of homeowners—one that prioritizes the homeowner and redefines what it means to truly feel at home.

About ForaFora is the modern travel agency, empowering passionate travel enthusiasts to establish successful advisory businesses. We are revolutionizing the $100B+ travel agency sector by merging advanced technology, data, and community resources. Our business-in-a-box platform equips travel entrepreneurs with essential tools, personalized training, and a dynamic community alongside exclusive industry alliances. Our mission is clear: to support the upcoming generation of travel entrepreneurs in transforming their passion for travel into a rewarding career, whether it's full-time or part-time. We believe that individuals ranging from seasoned professionals to first-time advisors can create something both profitable and personal.Founded in 2021 by experienced entrepreneurs, Fora has seen steady growth, now boasting a team of 200+ full-time employees located in the heart of New York City. In 2025, we celebrated our $60 million Series B and C funding rounds led by Thrive Capital and Insight Partners, with contributions from previous investors including Forerunner and Heartcore Capital. We've earned accolades as a LinkedIn Top Startup 2024, Fast Company's Most Innovative Companies 2025 and 2023, and Built In 2025 Best Places to Work.We are developing the first truly integrated platform to cater to all travel requirements—harnessing the best of human expertise and technology to change how people plan and book their travel.About The RoleWe are in search of a highly skilled Senior/Staff Backend Engineer to join our team as we continue to enhance Fora's products and infrastructure. The ideal candidate will resonate with our mission and brand, be enthusiastic about our innovations, and have a strong passion for delivering high-quality software. This role will involve working on various aspects of our advisor portal, public website, content and supplier systems, internal administrative tools, and external integration projects.This position reports directly to the VP of Engineering.

About FLORAAt FLORA, we empower the new creative class by developing innovative tools that transform the way professionals engage with AI. Our intelligent canvas supports a diverse range of creative industries, serving clients such as Pentagram, Lionsgate, and Nike. With a dedicated team of around 20 and an impressive $52 million in funding from industry leaders like Redpoint Ventures and Menlo Ventures, we are on a mission to redefine creativity.About the RoleWe are seeking a Staff Backend Engineer to lead the development of FLORA's core platform. As the technical authority, you will be responsible for our backend architecture, including the database layer and generation infrastructure, ensuring a seamless real-time experience for our users as we scale.This is a pivotal role in our growth journey. We need a passionate backend architect who will take ownership and guide our systems to accommodate a tenfold increase in demand. You will have significant influence over our technical direction and play a crucial role in shaping our backend team’s future.Your ResponsibilitiesDesign and implement a generation orchestration layer capable of handling increasing user demand and operational volume.Enhance observability across our infrastructure to reduce failure rates and proactively address issues.Optimize our database architecture through effective schema design, indexing strategies, and migration plans.Make strategic decisions regarding vendors and architecture to enable new feature development.Collaborate closely with the CTO, Product Engineering, and Intelligence Engineering teams to ensure a robust and efficient foundation for our client features.Qualifications7+ years of experience in building scalable backend systems.5+ years of expertise in TypeScript, with a strong emphasis on type safety and error management.Demonstrated ability to design and maintain reliable systems.Familiarity with advanced queue-based architectures, including job scheduling and fault tolerance.Strong instincts for observability, with experience in system instrumentation and dashboard creation.A proven track record of leading technical initiatives, guiding teams towards innovative solutions.

About the Role Sigma Computing builds a high-performance platform designed for modern data architecture. As the team grows in New York City, the company is looking for engineers who enjoy solving complex problems and want to help make data accessible to everyone. The engineering group values collaboration and a focus on delivering solutions that matter across the technology stack. What You Will Do Take on challenging problems to create interactive experiences for data exploration and analysis within data warehouses. Work with technologies including Rust, Go, GraphQL, Node, and Kubernetes. Build backend distributed services, develop algorithms, and design APIs that power Sigma Computing's cloud applications. Investigate and resolve product or system issues by diagnosing root causes and debugging as needed. Design and implement new features to support a rapidly expanding user base. Participate in design and code reviews with peers and stakeholders to maintain high engineering standards and best practices.

Are you frustrated with the inefficiencies and complexities of traditional finance? So are we! At Superstate, we are pioneering innovative investment products that leverage the rapid, programmable, and regulatory advantages of blockchain tokenization.As a Staff Backend Engineer at Superstate, you will be instrumental in shaping the landscape of tokenized assets. Your expertise will contribute to the development of blockchain-integrated systems that empower investors to self-custody their financial assets. You will design robust systems, APIs, and infrastructure aimed at enhancing the efficiency of financial operations.

Join Our Team as a Staff Backend EngineerLocation: London or New York CityWork Arrangement: Onsite | Full-timeCompensation: CompetitiveAt mlabs, we are a leading technology development firm specializing in the infrastructure that powers the world’s largest digital asset launchpads. With around $1 billion in daily transaction volume, our platform operates at the forefront of the crypto industry, demanding systems engineered for ultra-low latency and exceptional throughput under high concurrency.We are on the lookout for a Staff Backend Engineer to tackle our most challenging technical problems. This role is critical and impactful, set in a dynamic, in-person environment. Our team comprises high-agency builders who prioritize speed, immediate results, and exceptional engineering judgment. This position is tailored for an engineer who excels under pressure and revels in solving complex, cross-disciplinary challenges.Key Responsibilities:System Ownership: Take responsibility for resolving intricate backend issues, improving performance bottlenecks, scaling limits, and ensuring system reliability under intense load.Architectural Leadership: Define the technical strategy for backend systems through thoughtful architectural choices that reconcile swift delivery with long-term viability.Distributed Systems Design: Create, implement, and manage high-impact distributed services that serve a vast global audience daily.Problem Resolution: Anticipate systemic challenges and lead efforts to resolve them, navigating ambiguity and cross-functional complexities.Engineering Excellence: Elevate the backend engineering team's standards through thorough design and code reviews, mentorship, and exemplifying superior engineering judgment.Interview Process:Our selection process is designed to ensure a strong fit for both technical skills and cultural alignment:Recruiter / HR Call: Initial screening and background assessment.Technical Interview I: In-depth evaluation of backend expertise and problem-solving capabilities.Technical Interview II: Advanced exploration of distributed systems and architectural knowledge.Final Interview: Comprehensive discussion focusing on strategic insights and role expectations.

Join Via, where we leverage technology to revolutionize global transportation. As a Senior Backend Engineer, you will play a pivotal role in our Platform team, contributing to innovative solutions that impact the daily commutes of thousands while minimizing environmental impact. Collaborate with a talented group of developers and DevOps engineers to build and maintain the cutting-edge infrastructure that powers our operations. This hybrid role requires you to be onsite in NYC 2-3 days a week, allowing for hands-on teamwork and collaboration.

About ForaFora is a revolutionary travel agency that is transforming the $100B+ travel industry by providing passionate individuals with the tools to establish successful advisory businesses. Our innovative platform merges cutting-edge technology, comprehensive data, and a supportive community, enabling countless entrepreneurs to thrive on our platform. This all-in-one solution offers travel advisors everything they need to launch and scale their businesses, from state-of-the-art tools and personalized training to a vibrant community and exclusive industry partnerships. Our mission is clear: to empower the next generation of travel entrepreneurs to turn their passion for travel into a rewarding career, whether full-time or part-time. We believe that anyone, from experienced professionals to first-time advisors, can create something both profitable and meaningful.Founded in 2021 by expert entrepreneurs, Fora has steadily grown to include a talented team of over 200 full-time employees located in the heart of New York City. In 2025, we proudly announced our $60 million Series B and C funding rounds, led by Thrive Capital and Insight Partners, with contributions from previous investors such as Forerunner and Heartcore Capital. Our achievements have been recognized as we were named a LinkedIn Top Startup for 2024, Fast Company’s Most Innovative Companies for 2023 and 2025, and Built In’s Best Places to Work for 2025.We are on a mission to create the first truly unified platform for all travel needs, harnessing the best of human expertise and technology to redefine how people plan and book their travel.About The RoleWe are in search of an experienced Senior/Staff Backend Engineer to join our Finance Pod, responsible for building and maintaining the intricate systems that facilitate advisor payments at Fora. This pod manages the comprehensive advisor payment system and user experience, encompassing booking data ingestion, commission collection, and payouts, and is rapidly expanding into innovative fintech and payment products.In this position, you will design and implement scalable systems that ensure payouts are swift, precise, and transparent, collaborating closely with Product and Operations teams to bring financial data to life within the Advisor Portal and our internal tools. You will play a key role in developing and enhancing services that manage booking ingestion, payout logic, reconciliation, and integrations with payment processors like Stripe. Projects may include creating intelligent visualizations for the Payments page and more.

Join dualentry as a Senior Backend Engineer, where you'll be at the forefront of developing cutting-edge backend solutions. In this role, you will collaborate with cross-functional teams to design, implement, and optimize robust server-side applications. Your expertise will be crucial in enhancing system performance, scalability, and security.

Company OverviewAt Playground, we are dedicated to making high-quality child care accessible to all families. We have developed industry-leading software that streamlines the management of child care businesses. With millions in funding, statewide contracts, and partnerships with thousands of schools nationwide, Playground is making a significant impact in the child care sector. Our founders have been recognized by Forbes in their 30 Under 30 list, showcasing our commitment to innovation and excellence.As we continue to grow rapidly, we are eager to expand our engineering team. Our culture revolves around ownership, collaboration, and tackling complex projects with enthusiasm.Job DescriptionAs a key member of Playground's engineering team, you will design, build, and scale the backend systems that drive our platform. Your contributions will be pivotal in shaping the future of child care, impacting businesses, agencies, and government organizations that rely on our services.This role emphasizes mission-critical backend systems. You will lead initiatives from concept to implementation, enhancing existing systems to meet increasing demands for scale, complexity, security, and performance.We are seeking proactive individuals who take ownership of their work, act with urgency, and are excited about leveraging modern AI coding tools to maximize their productivity.

Why Join Rogo?At Rogo, we are pioneering Wall Street's first genuine AI analyst. Our mission is to equip finance professionals at leading investment banks, private equity funds, and investment firms with AI that provides unmatched speed, accuracy, and insight. We're not just enhancing financial workflows; we're revolutionizing them from the ground up.This is a rare opportunity to be part of a transformative company at a pivotal moment. With a rapidly expanding client base, validated product-market fit, and support from top-tier investors, we are rapidly scaling and establishing a new category in enterprise AI.Our team is composed of sharp, motivated individuals who are deeply committed to our mission. We operate with a sense of urgency, tackle complex challenges head-on, and maintain an unwavering focus on our users. If you excel in a dynamic environment, strive for excellence, and want to contribute to the future of finance, we encourage you to apply.Your ResponsibilitiesAs a Staff Backend Engineer at Rogo, you will be at the forefront of AI research and application development, significantly contributing to the creation of a groundbreaking product and its scalability for large enterprises.Design and build REST and gRPC APIs supported by robust, scalable server-side implementations and asynchronous code.Create large-scale infrastructure to support crawling, ranking, and information retrieval systems.Develop secure and compliant code, implementing best practices for software that handles sensitive information.Write maintainable, readable, and thoroughly tested code.Elevate standards for code quality, reliability, and product delivery speed, collaborating with your peers to foster both technical and interpersonal growth.QualificationsBachelor's degree in Computer Science or a related field.Proficiency in a strongly typed programming language (e.g., Rust, C++, Java).A passion for writing high-performance, readable, and well-tested code.6+ years of experience in building and scaling distributed systems.Proven track record of delivering high-quality products.Strong programming skills and comprehensive knowledge of Computer Science principles.Preferred SkillsFamiliarity with interface definition languages like protocol buffers and gRPC.

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.

About Sei LabsAt Sei Labs, we are pioneering the development of open-source technology for the Sei Blockchain—a groundbreaking parallelized EVM Layer 1 blockchain engineered for scalability. Our innovative optimizations empower Web3 applications to achieve Web2-scale performance, significantly contributing to the mass adoption of digital assets.Our dynamic team comprises seasoned professionals from leading companies such as Google, Goldman Sachs, Robinhood, Nvidia, and Databricks, all committed to ushering in the next billion users into a flourishing ecosystem of applications.Sei Labs has successfully secured over $30 million in funding from prominent investors, including Jump Crypto, Multicoin Capital, Coinbase Ventures, Distributed Global, Hudson River Trading, and Flow Traders.Visit our website and docs for more information.Incubations Engineering at SeiWe are seeking a talented Backend Software Engineer to join our Incubations team and play a crucial role in shaping the future of Web3. You will collaborate with our ecosystem partners to create innovative, high-impact applications across the Sei Blockchain, including decentralized applications (dApps) in various domains such as decentralized exchanges (DEXs), gaming, decentralized physical infrastructure networks (DePin), artificial intelligence, and more. If you thrive in a fast-paced, community-focused environment and are eager to learn and grow, this is an exceptional opportunity to redefine the possibilities of decentralized technology.

Company OverviewAt Tennr, we are revolutionizing the referral process in healthcare. When patients receive a referral from their doctors, the wait can often feel endless—sometimes lasting days, weeks, or even months. This delay is largely due to the overwhelming volume of referrals and the cumbersome manual processes that can hinder timely action. With our innovative technology powered by RaeLM™, Tennr ensures that every referral reaches its destination swiftly and accurately, with all necessary information in hand. We empower providers to capture more referrals, minimize denials, and eliminate waiting times.Role OverviewWe are on the lookout for a dedicated Backend Software Engineer who specializes in systems architecture, data modeling, and large-scale workflow orchestration. In this pivotal role, you will architect and implement features across our backend services and infrastructure, delivering significant value to our customers. Your responsibilities will include designing and optimizing data schemas, developing resilient backend services, and ensuring seamless integration with third-party systems.You will spearhead initiatives focused on high-volume workflow automation, emphasizing the creation and optimization of scalable data processing and machine learning infrastructure. This encompasses the design and maintenance of complex workflows that harness ML for automation, alongside performance optimization efforts to guarantee scalability and reliability throughout the stack.Collaboration is essential in this role. You will work closely with our sales and customer experience teams to incorporate valuable customer feedback, and partner with engineering colleagues to bring robust solutions to life. We are seeking someone who embodies a founder's mindset, excels in systems-wide thinking, and proactively drives projects from inception to completion.The ideal candidate will have substantial experience with backend architecture, event-driven systems, and orchestration frameworks, showcasing a proven history of developing production-ready systems. You will play a crucial role in shaping the technical foundation of our platform, ensuring its reliability, scalability, and adaptability as we continue to grow.

Join Grow Therapy as a Backend Software Engineer, where you'll play a pivotal role in developing our cutting-edge software solutions. Collaborate with a talented team to enhance our platform's functionality and performance, ensuring a seamless experience for our users.

Join Flex, a dynamic and innovative FinTech company based in NYC, as a Senior Backend Software Engineer. In this pivotal role, you will be instrumental in architecting, developing, and scaling backend services and APIs that empower our groundbreaking rent payment platform. Collaborate with cross-functional teams to deliver resilient and efficient systems that enhance the renting experience for users and partners alike. You will oversee every aspect of the service lifecycle, from initial requirements gathering and system architecture to implementation, testing, deployment, and ongoing monitoring. Additionally, you will have the opportunity to mentor junior engineers and promote technical best practices within the team, fostering a culture of excellence and collaboration.