Backend Software Engineer

Applicant Privacy NoticeAre you ready to be part of a top-tier blockchain development team? At Ava Labs, we simplify the deployment of high-performance solutions for Web3, spearheaded by groundbreaking innovations on Avalanche. Founded by leading Cornell computer scientists in collaboration with Wall Street experts and early Web3 pioneers, we are on a missio…

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.

Applicant Privacy NoticeJoin a leading blockchain development team at Ava Labs, where we simplify the deployment of high-performance solutions for Web3 through innovations on Avalanche. Founded by experts from Cornell University and seasoned Wall Street professionals, we are on a mission to revolutionize the creation of permissionless networks. Be a part of our vision to empower individuals to easily and freely digitize assets on a single, open, programmable blockchain platform.Are you a creative Senior Product Designer who excels at transforming complex challenges into elegant user experiences? Ava Labs is on the lookout for a collaborative Senior Product Designer to spearhead the end-to-end design process for Fortary, our state-of-the-art institutional digital asset custody platform. As a key member of the Ava Labs Product Design team, you will craft secure, user-friendly, and scalable products, closely collaborating with Product, Engineering, and Design teams. If you thrive on research-driven design, rapid prototyping, and addressing unique challenges within the crypto landscape, we would love to connect with you.

Applicant Privacy NoticeAre you ready to be part of a leading blockchain development team? At Ava Labs, we simplify the deployment of high-performance solutions for Web3, spearheaded by groundbreaking innovations on the Avalanche platform. Founded by distinguished computer scientists from Cornell in collaboration with Wall Street veterans and early Web3 pioneers, our mission is to revolutionize how value is created within permissionless networks. Join us as we empower individuals to seamlessly digitize the world’s assets on a singular, open, programmable blockchain platform.We are seeking a Senior Software Engineer to join our innovative Crypto Custody team. In this pivotal role, you will design, develop, and enhance secure, high-performance blockchain and crypto wallet products for Ava Labs and our ecosystem partners. As a key member of our technical leadership team, you will pioneer cutting-edge solutions, build modular and scalable crypto wallet infrastructures, and uphold the highest security standards.Innovate & Architect:Design, develop, and sustain crypto wallet systems using TypeScript, Node, REST API, and Go to enhance the client application experience.Architect modular and scalable back-end systems with unwavering focus on 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 to meet 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-motivated mindset that thrives on initiative without micromanagement.Take full responsibility for delivering high-quality, secure back-end solutions while continuously embracing challenges, learning, and pushing boundaries to enhance product excellence.

About UsAt Credal, we are dedicated to leveraging cutting-edge AI technology to empower those who are shaping a better tomorrow.We enhance the most sophisticated operations of leading institutions, seamlessly integrating security and governance throughout our offerings. Our esteemed clientele includes notable organizations such as the U.S. Department of Health and Human Services, MongoDB, Comcast NBC Universal, Lattice, Wise (TransferWise), Checkr, and incident.io.Having successfully raised over $10 million, we have a significant runway to support our vision. Join our team of Thoughtful Doers™ hailing from industry giants like Palantir, Cruise, Meta, Uber, and Google. At Credal, we foster a collaborative in-person environment at our spacious NYC office, where meals are provided.

About UsAt Credal, we are committed to leveraging cutting-edge AI technologies to empower those who are dedicated to shaping a brighter future.Our platform accelerates the complex operations of leading institutions while embedding robust security and governance at every level of our offerings. Our esteemed clientele includes the U.S. Department of Health and Human Services, MongoDB, Comcast NBC Universal, Lattice, Wise (formerly TransferWise), Checkr, and incident.io, among others.With over $10 million in funding secured, we have ample runway to support our ambitious goals. Join a team of Thoughtful Doers™ hailing from top-tier companies such as Palantir, Cruise, Meta, Uber, and Google. Credal operates in-person from our spacious NYC office, complete with meals provided.

Join us as a Backend Engineer and be part of a transformative journey in the recruitment software industry. In this role, you will contribute to building innovative solutions that empower companies like Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify to effectively hire top talent.Lever, established a decade ago, is redefining the talent acquisition landscape. As leaders in innovation, we are proud to be recognized as the #1 workplace in San Francisco and a top employer across the United States. Our team, known as “Leveroos,” is our greatest asset, and we are committed to fostering a people-first culture as we continue to grow.This position is part of our Engineering department and is a full-time remote opportunity.

Join our dynamic team at Socotec as a Senior Mechanical Engineer, where your expertise will drive innovation and excellence in mechanical design and analysis. You will be responsible for developing advanced engineering solutions, collaborating with cross-functional teams, and ensuring project deliverables meet the highest standards of quality and performance.

About Propel At Propel, our mission is to develop innovative technology that enhances the social safety net. We are a dedicated team of around 100 passionate individuals, known as Propellers, who envision a future where every American has access to the tools and resources needed to succeed. The Opportunity Are you a skilled Platform Engineer eager to drive significant contributions within a mission-focused organization? Do you relish the challenge of designing software that influences an entire engineering community? If you thrive in autonomous startup environments, we want to hear from you! We are seeking a proactive Senior Platform Engineer to join our Developer Enablement Team within the engineering division at Propel. This position plays a crucial role in empowering fellow engineers by enhancing our cloud-native platforms, which facilitate the development and delivery of Propel's technology. These platforms are instrumental for various products and applications, including those that interact with government programs, highlight savings opportunities, enroll users in healthcare plans, and support internal tools and architecture. Your primary focus will be on managing fault-tolerant applications using Kubernetes and AWS while addressing organization-wide engineering challenges. We are looking for a creative problem-solver excited to experiment with enhancements to the developer experience at Propel. In this role, you will design new features for our cloud platform, support a diverse range of production applications, resolve technical debt, and mentor other engineers. What We Offer: A collaborative, humble, and motivated engineering culture. Ongoing knowledge sharing through project demos, Lunch & Learn sessions, and comprehensive documentation. A people-first management approach that values engineers' input, supports career growth, and provides opportunities for technical advancement tailored to your interests. Meaningful work aligned with a strong, shared mission. A remote-first work environment: while our headquarters is in Brooklyn, we provide a co-working monthly stipend for employees located outside of NYC. We welcome applications from candidates in states where we have established entities, including California, Colorado, District of Columbia, Florida, Georgia, Illinois, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Texas, Virginia, and Washington. Equitable and competitive salaries; we believe in fair compensation for all. Our salary ranges are based on data from numerous NYC startups at a similar stage, and pay is not determined by location. The salary range for this position is $170,000 to $240,000.

About Whop:Whop is an innovative financial technology firm dedicated to empowering individuals and businesses with the tools to achieve sustainable income. Our goal is to build the world’s largest online marketplace, enabling seamless creation, connection, and transactions all in one platform. Currently, we facilitate over $3 billion in annual payouts across 144 countries, with our gross transaction volume growing approximately 25% month over month.Backed by significant investment from top-tier institutional investors including Insight, Bain Capital Ventures, and Peter Thiel, Whop continues to expand its influence in the fintech space, highlighted by a recent strategic investment from Tether, the largest stablecoin provider globally.Our team is a dynamic group of young entrepreneurs, with over 75% having launched their own businesses prior to joining Whop. Our product leaders hail from esteemed companies like Meta and Robinhood, fostering an environment rich in innovation and ambition.For more details, visit whop.com.

Cresilon® is a pioneering biotechnology firm located in Brooklyn, New York. We specialize in the development, manufacturing, and marketing of innovative hemostatic medical devices, leveraging our proprietary hydrogel technology. Our groundbreaking, plant-based solutions have transformed the way traumatic and surgical bleeds are managed, achieving swift hemostasis without the necessity for prolonged manual pressure. Our diverse product lines cater to veterinary, human trauma, and surgical applications, embodying our mission to save lives. Discover more about us at www.cresilon.com.Job Overview:We are seeking an experienced Senior Process Engineer or Process Engineer II to join our manufacturing team. This position is critical in spearheading the development and optimization of manufacturing processes for our medical device products. You will collaborate with cross-functional teams—Quality, R&D, Regulatory, and Production—to ensure that our manufacturing processes adhere to the highest standards of quality, compliance, and performance. Your role will involve hands-on engagement with the production team, training operators on new processes, troubleshooting equipment issues, and executing qualifications and validations.This is a full-time, on-site role based in Brooklyn, New York, in a dynamic and collaborative environment that demands creativity and focused execution to enhance production efficiency and establish robust manufacturing processes.Key Responsibilities:Design, develop, and optimize manufacturing processes for both new and existing medical devices.Lead process development for new product introductions (NPI), guiding projects from concept through validation and launch.Refine manufacturing processes to minimize variability, enhance yield, improve cycle times, and lower costs.Assess and implement automation technologies to boost process consistency and throughput.Collaborate with external vendors and suppliers to specify equipment and troubleshoot product issues.Analyze production data to uncover trends, root causes, and opportunities for increased efficiency.Maintain and update validation documentation as part of lifecycle management.Ensure compliance with regulatory requirements and internal quality standards.Lead investigations into root causes (CAPA, NCRs, SCARs) and implement corrective actions.Create process documentation, including standard operating procedures (SOPs), work instructions, pFMEAs, and equipment qualifications.Partner with R&D during the design transfer phase to ensure manufacturability.

Join us as a Senior Engineer and be at the forefront of revolutionizing the hiring software landscape. This position plays a vital role in our mission to help organizations like Netflix, Yelp, and Shopify attract and hire top talent efficiently.Please note: This is a testing position within Lever's environment and is not intended for public applications.Lever is proud to be recognized as a top workplace in San Francisco and across the United States. Our commitment to fostering a people-first culture makes us a leader in the talent acquisition industry. We seek innovative and passionate individuals to join our journey as we continue to scale.

About Us At Propel, we are dedicated to creating innovative technologies that enhance the social safety net. With a dynamic team of around 100 passionate individuals, we envision a future where every American can access the resources they need to thrive. The Role Are you an experienced Senior Full Stack Engineer eager to contribute to building groundbreaking products at a purpose-driven organization? Do you excel at crafting consumer-friendly experiences and flourish in a startup environment with high autonomy? We are seeking a driven Senior Full Stack Engineer to join our team at Propel. In this pivotal role, you will be instrumental in developing new Medicare and Medicaid products from the ground up. You will engage in end-to-end development across both frontend and backend systems, creating user experiences that empower individuals to understand coverage options, identify savings opportunities, and enroll in healthcare plans. Your collaboration with product and design teams will be key as you help shape the technical architecture, internal tools, and scalable integrations with healthcare and government systems. AEP Schedule Note: Please note that this position experiences an increase in workload from September to early December during the Medicare Annual Enrollment Period (AEP). During this time, flexibility in work schedules may be limited, and there will be a heightened urgency to support launches and maintain system reliability. Outside of AEP, our team enjoys significantly more flexibility. What We Offer: A collaborative, humble, and motivated engineering culture Opportunities for knowledge sharing through project demos, Lunch & Learn sessions, and comprehensive documentation A people-centered management approach that values engineers’ input, supports career advancement, and offers avenues for technical growth Meaningful work with a strong shared mission A remote-first working environment, with our headquarters in Brooklyn. We provide a monthly co-working stipend for employees outside NYC. We are accepting applications from states with established entities, including California, Colorado, District of Columbia, Florida, Georgia, Illinois, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Texas, Virginia, and Washington. 20 days of Paid Time Off (PTO) 4% 401(k) match $10,000 lifetime benefit towards Carrot Fertility Excellent medical, dental, and vision insurance options Fair and competitive salaries; we believe in equitable compensation for all our employees.

About the RoleAs a Senior DevOps Engineer, you will play a crucial role in establishing and managing the operational and deployment framework of Galileo's infrastructure. This position involves developing and overseeing Galileo's customer deployment stack, handling customer deployments, and serving as the primary operations contact for both customers and third-party vendors.Key ResponsibilitiesLead customer deployments in cloud and air-gapped on-premise environments, including installation, upgrades, and troubleshooting.Develop and maintain Galileo's internal deployment observability infrastructure.Manage and enhance Galileo’s CI/CD deployment infrastructure.Optimize various infrastructure components, including databases and services, to effectively scale the system.Design and implement internal tooling and automation using Python and/or Go.Troubleshoot complex deployment issues involving Kubernetes, networking, storage, and application layers.

About Us At Propel, we are dedicated to developing innovative technology that enhances the social safety net. Our passionate team of approximately 100 individuals, known as Propellers, envisions a future where every American has access to the tools and resources necessary for success. The Role Are you a seasoned Full Stack Engineer eager to make a significant difference in a mission-driven organization? Do you have a knack for creating impactful B2C products? If you thrive in high-autonomy startup environments, we want you on our team! We are seeking a proactive Senior Full Stack Engineer to join our engineering team at Propel, contributing to our mission. This position will allow you to work across various products and tech stacks, engaging with government programs, identifying savings opportunities, facilitating healthcare plan enrollment, and enhancing internal tools and architecture. We are looking for a passionate, user-focused full stack engineer who enjoys tackling meaningful and complex technical challenges that positively impact our users' lives. What We Offer: A collaborative, humble, and motivated engineering culture Continuous knowledge sharing through project demos, Lunch & Learn sessions, and comprehensive documentation A people-first management approach that values engineers' voices and supports career and technical growth Meaningful work with a strong sense of mission A remote-first work environment with a monthly co-working stipend for employees outside of NYC. We are currently accepting applications from several states, including California, Colorado, District of Columbia, Florida, Georgia, Illinois, Maryland, Massachusetts, New Jersey, New York, Oregon, Pennsylvania, Texas, Virginia, and Washington. 20 days of Paid Time Off (PTO) 4% 401K matching $10,000 lifetime spending allowance for Carrot Fertility services Excellent medical, dental, and vision insurance options Fair, equitable, and competitive salaries. We believe in fair compensation and use data from numerous NYC startups to set our salary ranges. The salary for this position ranges from $170,000 to $240,000, based on experience and interview performance, with equity and outstanding benefits included.

At Morgan & Morgan, our mission is clear: we stand as the last line of defense for millions of Americans against insurance firms, large corporations, and defective products. Every member of our team, from attorneys across all 50 states to our dedicated support staff, marketing creatives, and operations teams, plays an essential role in championing consumer rights. With over 6,000 employees, we are united by one purpose: For the People.About the RoleWe are seeking a passionate Senior Full-Stack Software Engineer who thrives on developing high-quality software. In this role, you will collaborate closely with fellow engineers to tackle complex challenges. You will make significant contributions to our Client Portal team, which focuses on enhancing our mobile application...

At Altana, we are revolutionizing global trade through our AI-powered network. We enable governments and companies to establish a more resilient and secure economic framework while ensuring the seamless flow of trade.Join the Altana TeamThe Engineering team at Altana is pivotal in developing the platforms, APIs, services, workflows, and logical architectures that bring our vision to life. Our AI-driven platform is designed to scale with vast data sets and cater to a diverse customer base, presenting complex engineering challenges that will test your skills and creativity. Collaborating closely with our Data Scientists, you'll tackle projects involving world-scale data analysis, craft scalable code to unveil unprecedented insights, and develop APIs that realize our product vision.

Join the City of New York as a Senior VoIP Operations Engineer to play a pivotal role in managing and optimizing our VoIP systems. In this position, you will ensure the reliability and efficiency of our telecommunication services, contributing to the overall effectiveness of city operations.The ideal candidate will have a robust technical background in VoIP technologies, be adept at troubleshooting complex issues, and possess excellent communication skills to liaise with various departments. You will work closely with IT teams to implement solutions that enhance our communication infrastructure.

Join our dynamic team as a Senior Mechanical Engineer within the Building Engineering Division, specifically in the Energy Infrastructure team, located in our vibrant Brooklyn, NY office.At LaBella Associates, our Energy Infrastructure team is dedicated to enhancing energy efficiency and promoting renewable energy solutions. We specialize in thorough feasibility analyses and the design of innovative mechanical systems. Our engineers excel in every facet of building and energy systems design, catering to a diverse range of new construction, renovation, and design/build projects.The Senior Mechanical Engineer will play a pivotal role in leading various decarbonization and electrification initiatives, guiding projects from their feasibility phases through to design and construction. The ideal candidate will demonstrate strong teamwork abilities, mentor junior engineers, and communicate effectively with clients to drive successful outcomes.