Backend Software Engineer (Senior/Staff) at Hex Technologies

Senior Staff Backend EngineerLocation: Manhattan, New YorkOnsite | Full-timeJoin our dynamic team at mlabs, the innovative engine behind one of the most visited platforms in the digital asset industry. With a staggering ~$1B in daily volume, our cutting-edge technology stack is designed to manage low-latency, high-throughput, and consistent load at an unprecedented scale.The RoleAs a Senior Staff Backend Engineer, you will be a pivotal technical leader, ensuring the robustness and continuous advancement of our core backend systems. Your role involves a combination of high-level architectural oversight and hands-on execution, focusing on mitigating scaling challenges and designing resilient, fault-tolerant systems that can handle substantial workloads.What You’ll Do:Own & Execute: Take charge of writing and deploying production code for core services, leading the design and implementation of high-scale distributed systems.Architect for Scale: Make informed decisions that harmonize swift iteration with long-term system scalability and maintainability.Drive Initiatives: Spearhead projects that involve multiple services, including storage, compute, APIs, and blockchain infrastructure.Set the Standard: Create benchmarks for observability, reliability, and performance, while enhancing engineering quality through design reviews and RFCs.Technical Leadership: Serve as a technical anchor during critical incidents and mentor peers, sharing your depth of knowledge and clarity of thought.Optimize Velocity: Enhance the internal developer experience by refining tools, CI/CD pipelines, and service abstractions.

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.

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 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.

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.

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.

Company OverviewCredit Genie is an innovative mobile-first financial wellness platform dedicated to empowering individuals to seize control of their financial future. By harnessing the power of artificial intelligence, we deliver personalized financial insights and create a comprehensive financial ecosystem that provides instant cash access and credit-building tools. Our mission is to ensure long-term financial stability for every customer.Founded in 2019 by Ed Harycki, the former founder of Swift Capital (acquired by PayPal in 2017), we are supported by Khosla Ventures and led by industry experts from renowned companies such as PayPal, Square, and Cash App. Together, we are poised to redefine the landscape of inclusive finance through cutting-edge technology and customer-centric solutions.Role OverviewAs a Staff Software Engineer specializing in backend development, you will be instrumental in transforming our platform by designing and constructing the foundational systems that drive our financial products. This is a unique opportunity to architect scalable infrastructure, influence technical strategy, and contribute to product development from inception to completion. Join us at this rapidly growing fintech startup, where your contributions will significantly impact both the organization and the financial well-being of our users.

Applicant Privacy NoticeAre you ready to be part of a pioneering blockchain development team? Ava Labs simplifies the deployment of high-performance solutions for Web3, driven by groundbreaking innovations on Avalanche. Founded by visionary Cornell computer scientists in collaboration with Wall Street experts and early Web3 innovators, Ava Labs is on a mission to transform how individuals create value within permissionless networks. Join us in our quest to empower global digitization of assets on a unified, programmable blockchain platform.We invite you to apply as a Staff Backend Engineer within our Crypto Custody team. This team is at the forefront of designing, developing, and scaling secure, high-performance blockchain and crypto wallet solutions for Ava Labs and our ecosystem partners. This role is vital to our technical leadership, where you will pioneer innovative solutions, construct modular and scalable crypto wallet infrastructures, and uphold the highest security standards.ResponsibilitiesInnovate & Architect:Design, develop, and maintain crypto wallet systems using Golang, ensuring robust support for protocols such as multi-party computation (MPC) and multi-signature (multi-sig) configurations.Architect modular, scalable backend systems with an unwavering commitment to security and performance.Collaborate Across Teams:Work closely with partners to optimize configurations and setups for Ava Labs products.Provide technical guidance across Business Development, Product, Security, Finance, and Engineering teams.Drive Product Advancements:Evaluate opportunities and recommend tailored solutions based on client needs.Establish architectures and systems that promote mass adoption of Ava Labs products while ensuring top-tier security.Exhibit Extreme Ownership:Demonstrate a self-driven mindset that thrives on taking initiative without micromanagement.Assume full responsibility for delivering high-quality, secure backend solutions while continuously embracing challenges, learning, and pushing boundaries to enhance product excellence.

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.

Role Overview tetrix is hiring a Staff Backend Engineer in New York City. This role focuses on building and maintaining scalable backend systems with Python. The position works closely with colleagues across different teams to deliver software that serves a wide range of clients. What You Will Do Design, implement, and support backend services using Python Collaborate with engineers, product managers, and other stakeholders to deliver reliable solutions Contribute technical expertise to improve and evolve backend architecture

About HyphaHypha is an innovative AI-driven platform that is revolutionizing asset management throughout the entire lifecycle—covering acquisition, management, and exit strategies. With a specific focus on healthcare facilities and multifamily real estate, we are transforming the industry through three essential pillars:Observability: Delivering real-time insights into asset performance, deal advancement, and market dynamics for all stakeholders involved.Intelligence: Facilitating AI-enhanced multidimensional optimization with precise risk assessment, tax strategies, and benchmarking.Orchestration: Streamlining workflows and providing a singular source of truth to eradicate inefficiencies.Role OverviewAs a Senior/Staff Backend Engineer specializing in Applied AI at Hypha, you will take ownership of the architecture and ongoing development of the core AI systems integral to our platform. Your role includes the design and scaling of document processing pipelines, extraction agents, entity resolution systems, computed attribute frameworks, and user-friendly conversational interfaces that facilitate interactions with complex financial data.You will spearhead the creation of multi-step AI workflows that convert unstructured data into structured, actionable insights. Additionally, you will build the backend infrastructure, evaluation systems, and observability layers necessary for the reliable operation of these systems in a production environment. This position is designed for an engineer capable of transcending mere implementation to make impactful decisions regarding system design, performance, reliability, and technical trade-offs.Collaboration will be key as you work closely with leadership, product teams, and engineering colleagues to shape the technical direction, enhance engineering standards, and define the architecture and scaling strategy for Hypha's applied AI stack over time.

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.

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.

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.

Maven Clinic is the largest virtual clinic dedicated to women and families, striving to transform healthcare into a more accessible and supportive experience for everyone. Our award-winning digital programs encompass a wide array of services, including fertility and family building, maternity and newborn care, parenting and pediatrics, as well as menopause and midlife support. Trusted by over 2,000 employers and health plans, Maven's comprehensive platform is designed to enhance clinical outcomes, lower healthcare costs, and promote equity in benefits programs. Our dedication to innovation and leadership in the industry has earned us accolades such as the Time 100 Most Influential Companies, CNBC Disruptor 50, Fast Company Most Innovative Companies, and FORTUNE Best Places to Work. Founded in 2014 by CEO Kate Ryder, we have successfully raised upwards of $425 million in funding from esteemed investors including General Catalyst, Sequoia, Dragoneer Investment Group, Oak HC/FT, StepStone Group, Icon Ventures, and Lux Capital. To explore more about Maven, please visit us at mavenclinic.com.Join Our Award-Winning Culture - Maven Clinic has received numerous accolades for its inspirational workplace environment, including:Fortune Change the World (2024)CNBC Disruptor 50 List (2022, 2023, 2024)Fortune Best Workplaces for Millennials (2024)Fortune Best Workplaces in Health Care (2024)TIME 100 Most Influential Companies (2023)Fast Company Most Innovative Companies (2020, 2023)Built In Best Places to Work (2023)Fortune Best Workplaces NY (2020, 2021, 2022, 2023, 2024)Great Place to Work certified (2020, 2021, 2022, 2023, 2024)Fast Company Best Workplaces for Innovators (2022)Built In LGBTQIA+ Advocacy Award (2022)About the RoleAs a Staff Software Engineer at Maven Clinic, you will be instrumental in shaping the technical strategy and roadmap for our Platform and Product Teams. Your expertise will guide the design, development, and maintenance of our highly scalable, efficient, and reliable systems, accommodating the expanding opportunities within our product and platform ecosystems. You will collaborate with cross-functional teams to ensure the delivery of exceptional products and features that not only meet customer needs but also uphold Maven's quality standards.

Match Group, Inc. is hiring a Senior Backend Engineering Manager to lead the Recommendations team in New York. This position guides a skilled group of engineers focused on building and improving recommendation algorithms and systems that support user experience across multiple platforms. Role overview The Senior Backend Engineering Manager takes responsibility for technical direction and team leadership. The work centers on backend technologies, with a strong emphasis on advancing recommendation systems that directly impact how users interact with Match Group’s products. What you will do Oversee and mentor backend engineers on the Recommendations team Drive the design and implementation of recommendation algorithms and supporting systems Focus on delivering solutions that improve user experience across Match Group platforms Requirements Experience leading backend engineering teams Background in developing recommendation systems or similar backend technologies Strong problem-solving skills and the ability to turn complex challenges into practical solutions

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 our dynamic team at Databricks as a Staff Backend Software Engineer where you will play a pivotal role in building and enhancing our backend systems. You will collaborate with cross-functional teams to design scalable solutions that drive innovation. Your expertise will be crucial in optimizing our cloud data platform and ensuring top-notch performance and reliability.

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.