Senior Backend Engineer - Institutional Custody

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.

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 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.

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.

At Altana, we are redefining the landscape of global trade through our innovative AI-powered product network. Our mission is to empower governments and businesses, fostering a more resilient and secure global economy while ensuring seamless trade operations.The Opportunity at AltanaJoin our dynamic Engineering team, where you will be instrumental in developing platforms, APIs, services, workflows, and logical architectures that bring our vision to life. Our AI-driven platform is designed to handle vast amounts of data and serve a diverse array of clients. This complex system will challenge and expand your engineering skills in multiple dimensions. You will collaborate closely with our Data Scientists to analyze world-scale datasets, write scalable code that unveils unprecedented insights, and create APIs that fulfill our product vision.

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 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.

Join our innovative team as a Backend Software Engineer and help us redefine the future of talent acquisition. At Lever, we are committed to building cutting-edge hiring software that empowers organizations like Netflix, Shopify, and Spotify to attract and retain top talent. As we continue to evolve and enhance our platform, we seek passionate individuals who thrive in a collaborative, people-first culture.While this posting serves as a test job for Lever's environment, we invite you to explore our actual openings and consider joining our award-winning team.

Join Us at CredalAt Credal, our mission is to leverage frontier AI technology to empower those who are committed to building a brighter future for all.We specialize in streamlining the most intricate operations for some of the world's most influential organizations, incorporating security and governance at every stage of our product development. Our esteemed clients include the U.S. Department of Health and Human Services, MongoDB, Comcast NBCUniversal, Lattice, Wise (TransferWise), Checkr, and incident.io, among others.Having successfully raised over $10 million to date, we have substantial runway to support our growth. You will become a valuable member of our team of Thoughtful Doers™, who hail from renowned companies such as Palantir, Cruise, Meta, Uber, and Google. Our team operates in-person from our spacious Brooklyn office, with meals provided.About the RoleWe are seeking a founding Full Stack Engineer to build upon our existing progress, catering to the proven market demand from global enterprises, while creating a scalable and high-performance architecture that upholds our industry-leading security standards.Responsibilities include:Enhance our platform to empower customers in building top-tier agents and MCP servers, facilitating productivity in their workflows.Contribute to architectural and design decisions, along with establishing strategies for code and product quality.Ensure reliable synchronization of billions of records into our data platform from customer SaaS tools.Collaborate directly with customers and our Go-To-Market (GTM) team to identify and address complex, cutting-edge challenges.Take full ownership of our core products, which utilize the following technologies:Frontend: React, TypeScript, Next.js, TailwindBackend: TypeScript, Temporal, Next.js, Gel/PostgreSQLAI/ML: OpenAI, Anthropic, Cohere, Gemini, Milvus/QDrant/MongoDBCloud: AWS, Terraform, Helm, KubernetesAbout YouYou could be an excellent fit if you're a passionate developer with proficiency in both frontend and backend technologies, and possess a keen interest in Agentic AI and LLM applications, even if you lack direct experience in AI.You are motivated to join our mission of advancing frontier intelligence in sectors that significantly impact human welfare, such as healthcare, government, and financial infrastructure.Coding is second nature to you, and you thrive in dynamic environments.

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.

At Morgan & Morgan, we are dedicated to making a difference. For countless Americans, we serve as their ultimate guardians against the overwhelming power of insurance companies, large corporations, and faulty products. Our firm encompasses attorneys from all 50 states, client support specialists, innovative marketing teams, and operational experts—all working collaboratively to champion consumer rights. With a workforce of over 6,000, we are unified by a singular mission: For the People.We are in search of a passionate Software Engineering Tech Lead who excels at developing high-quality software and nurturing engineering teams through technical excellence and teamwork. In this pivotal role, you will steer the technical vision, mentor engineers, and foster sound engineering practices within a dynamic, agile environment. You will oversee the design and implementation of scalable systems utilizing Python (FastAPI), React, and AWS.This is a hands-on leadership position that seamlessly integrates technical expertise with impactful mentorship and guidance.Key Responsibilities:Enhance code quality: Advocate for test-driven development, maintain code hygiene, and promote clean architecture throughout the team.Design leadership: Take ownership of creating and reviewing technical design documents that facilitate shared understanding and informed decision-making across teams.Agile delivery: Direct sprint planning, retrospectives, and incremental delivery with a strong focus on iteration and value generation.Lead by example: Architect and develop scalable, resilient systems across the backend (Python/FastAPI), frontend (React), and cloud infrastructure (AWS).Raise the bar: Establish and maintain rigorous standards for code quality, testing procedures, performance, and maintainability.Mentor and develop engineers: Offer technical guidance and encourage a culture of growth through consistent feedback and coaching.Drive technical alignment: Conduct code and design reviews, and facilitate engineering discussions that lead to well-documented, thoughtful decisions.Champion documentation: Create and review technical design documents to support implementation and ensure long-term clarity.Build for resilience: Design systems with fault tolerance and observability at their core; guide the team in applying principles of reliability and operational excellence.Lead incident response and learning: Engage in and enhance incident response processes, drive actionable postmortems, and foster a culture of continuous improvement.Cross-functional alignment: Collaborate with product managers, designers, and other stakeholders to ensure alignment on roadmap priorities.

Join Our MissionAt Credal, we are committed to leveraging cutting-edge artificial intelligence to empower those dedicated to creating a brighter future.We specialize in enhancing the intricate operations of leading institutions while ensuring security and governance are integrated into every facet of our product. Our esteemed clients include the U.S. Department of Health and Human Services, MongoDB, Comcast NBC Universal, Lattice, Wise (formerly Transferwise), Checkr, and incident.io, among others.Having secured over $10 million in funding, we are well-positioned for growth. You will be part of a team of Thoughtful Doers™, drawing expertise from industry giants such as Palantir, Cruise, Meta, Uber, and Google. Credal operates in-person from our spacious New York City 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.

About Us At Propel, we are dedicated to creating technology that enhances the social safety net. Our dynamic team of around 100 passionate individuals, known as Propellers, envisions a future where every American has access to the tools and resources required for success. The Role Are you a Fullstack Engineer eager to make a significant impact in a mission-driven environment? Do you excel in high-autonomy startup settings? If so, we want you on our engineering team at Propel. In this role, you will have the chance to switch between individual contributor and engineering management responsibilities! This position will allow you to work on various products and technology stacks, including engaging with government programs, identifying savings opportunities, facilitating user enrollment in healthcare plans, developing internal tools, and architectural design. We seek a passionate, user-focused Fullstack Engineer excited about tackling meaningful and complex technical challenges that positively influence our users’ lives. Your Impact: Strategically Lead Technical and Product Initiatives: You will play a vital role in identifying the best technical and product opportunities—whether building a new service from the ground up or advocating for significant improvements to a legacy system. Your voice will be instrumental in shaping the company’s technical and product direction, and you will take a hands-on approach to help realize these initiatives. Leading a team will also be part of your responsibilities. Set Engineering Standards: You will serve as a role model for your peers and establish best practices for technical decisions, code quality, documentation, and ensuring high-quality product delivery within timelines. Address Complex Challenges: When high-complexity tasks arise, you will be the go-to person for solutions. You will enjoy autonomy while receiving ample support to tackle these rewarding challenges!

About UsAt Credal, we are dedicated to leveraging cutting-edge AI technology to empower those who are committed to creating a brighter future.We specialize in accelerating the intricate operations of prominent institutions while integrating security and governance throughout our products. Our esteemed clients include the U.S. Department of Health and Human Services, MongoDB, Comcast NBC Universal, Lattice, Wise (Transferwise), Checkr, and incident.io, among others.Having successfully secured over $10 million in funding, we boast a substantial runway. Join a team of Thoughtful Doers™ hailing from esteemed organizations such as Palantir, Cruise, Meta, Uber, and Google. Credal operates in-person from our spacious NYC office, with meals provided.About the RoleWe are in search of a founding Frontend & UX Engineer who will play a pivotal role in enhancing our product that has shown significant market demand from global enterprises.What You’ll Do:Take ownership of our Agent Builder Experience, enabling users of diverse technical backgrounds to leverage frontier intelligence.Contribute to architectural frameworks, design choices, and establish quality standards for our code and products.Collaborate directly with customers and our Go-To-Market (GTM) team to identify and tackle complex, cutting-edge challenges faced by our clients.Mentor junior engineers and continuously elevate our standards of engineering excellence.Assume full responsibility for our core products. While we currently utilize the following technologies, we prioritize effective solutions over rigid adherence to specific tools:Frontend: React, Typescript, NextJS, TailwindBackend: Typescript, Temporal, NextJS, Gel/PostgreSQLAbout YouYou may be an excellent candidate if you are a proficient frontend-focused senior engineer capable of transitioning into design and full-stack software development. A strong interest in Agentic AI and LLM applications is essential, even if you lack prior AI experience.You are enthusiastic about our mission to bring Frontier Intelligence to critical industries and institutions that serve human welfare, such as healthcare, government, and financial infrastructure.Coding is a natural extension of your being; you engage in it for enjoyment and excel at it professionally.You possess 4+ years of experience in software development and a proven track record of delivering impactful results.

About Pangram LabsAt Pangram Labs, we are committed to safeguarding authenticity by developing the most advanced AI detection systems in the world. Our team is at the forefront of research, publishing innovative techniques and algorithms, while also creating products that seamlessly integrate our technology into everyday life.We are actively seeking highly motivated, mission-oriented individuals who possess a passion for building impactful solutions to join our dynamic team. All positions are based in our Brooklyn, New York office.About the RoleWe are in search of an AI Tooling and Evaluation Engineer to become a vital part of our AI research team. In this role, you will collaborate closely with AI research scientists and engineers to design and develop internal tools, platforms, and systems that support the entire model development lifecycle—from data collection and annotation to evaluation and deployment monitoring.This full-stack software engineering position focuses on providing research support. You will primarily focus on constructing web applications, APIs, and data pipelines, alongside having a foundational understanding of machine learning concepts to effectively grasp the needs of the research team.Roles and Responsibilities:Develop evaluation infrastructure for standardized model assessments and monitoring, including dashboards and reporting tools to track performance over time.Oversee Label Studio deployment for data annotation initiatives.Design browser-based interfaces for exploratory data analysis on training datasets.Create research support systems to monitor user engagement with the platform.Enhance and maintain synthetic data generation workflows.

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.