Staff Backend Engineer, Institutional Custody

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 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 mission to transform how value is created within permissionless networks. Join us in enabling individuals to seamlessly digitize the world’s assets on a single, open, programmable blockchain platform.We are seeking a dynamic Senior Backend Engineer to become an integral member of our Crypto Custody team. This team is tasked with designing, developing, and scaling secure, high-performance blockchain and crypto wallet products for Ava Labs and our ecosystem partners. You will play a pivotal role in our technical leadership, pioneering innovative solutions, constructing modular and scalable crypto wallet infrastructures, and upholding the highest security standards.Key ResponsibilitiesInnovate & Architect:Design, develop, and maintain crypto wallet systems utilizing Golang, ensuring robust support for protocols such as multi-party computation (MPC) and multi-signature (multi-sig) configurations.Architect modular and scalable backend systems with an unwavering focus on security and performance.Collaborate Across Teams:Engage closely with partners to optimize configurations and setups for Ava Labs products.Offer technical guidance across Business Development, Product, Security, Finance, and Engineering teams.Drive Product Advancements:Evaluate opportunities and propose solutions tailored to client requirements.Establish architectures and systems that ensure widespread adoption of Ava Labs products while maintaining superior security.Exhibit Extreme Ownership:Demonstrate a proactive mindset that excels in taking initiative without the need for micromanagement.Assume full responsibility for delivering high-quality, secure backend solutions while continuously seeking challenges, learning, and pushing the limits 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.

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.

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.

Applicant Privacy NoticeAre you ready to be part of an elite blockchain development team? At Ava Labs, we simplify the deployment of high-performance solutions for the Web3 environment, spearheading groundbreaking innovations on the Avalanche platform. Founded by a coalition of Cornell University computer scientists and seasoned Wall Street professionals, our mission is to revolutionize the way value is created through permissionless networks. Join us in our quest to enable individuals and organizations to seamlessly digitize the world’s assets on our open, programmable blockchain framework.We are seeking a Staff Engineer to become a pivotal member of our Platform Engineering Group. This team is dedicated to the maintenance and advancement of the EVM within the Avalanche blockchain ecosystem.Key Responsibilities:Enhance and maintain Avalanche’s EVM-compatible chains.Design and implement innovative extensions atop standard EVMs while ensuring ecosystem compatibility.Contribute to notable projects such as:libevm (repo): a library version of the EVM; a backwards-compatible fork of geth with customizable configuration directives to reduce merge conflicts.Streaming Asynchronous Execution (spec / talk / repo): a decoupled consensus and execution model that allows for continuous concurrent execution without enforced dormancy.Ideal Candidate Profile:A proactive individual with a relentless curiosity, comfortable navigating and understanding existing codebases. You view code as the ultimate truth and can identify subtle distinctions within it.A keen eye for detail, with a passion for producing clean and maintainable code. You write software that prioritizes user experience while embracing the joy of coding.You thrive in a hacker culture, believing creativity extends beyond the arts. You grasp system rules primarily to innovate and adapt them.What You Will Bring:Exceptional proficiency in Golang, along with a robust understanding of its core principles.

We are seeking a dynamic and strategic Chief of Staff to support our CEO at Altana AI. This pivotal role involves collaborating closely with the executive team to drive key initiatives and ensure the seamless execution of our company’s strategic goals. The ideal candidate will be a proactive leader, adept at managing complex projects and facilitating communication across departments.Key responsibilities include: managing the CEO’s priorities, coordinating executive communications, leading special projects, and serving as a strategic advisor on operational matters. This is an exceptional opportunity to play a critical role in shaping the future of Altana AI.

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 Our Passionate Team at VERG Brooklyn!Are you an enthusiastic recruiter with a passion for veterinary care? VERG Brooklyn is on the lookout for a Veterinary Recruiter for Support Staff to become an integral part of our vibrant team. We pride ourselves on creating a friendly and impactful workplace where you can thrive!As a frontrunner in 24/7 advanced emergency and specialty veterinary care, we are committed to providing state-of-the-art medical services across various specialties, all within a collaborative and compassionate environment. Here, you will work alongside board-certified specialists who share a dedication to treating pets with exceptional care and respect.Your Role:Strategic Sourcing:Leverage online job boards, social media, college directories, and industry networks to attract skilled veterinary assistants, technicians, and various roles.Create innovative sourcing strategies to maintain a pool of qualified candidates for both current and future job openings.Screening and Evaluation:Conduct initial phone or video screenings to evaluate candidates' qualifications, experience, and cultural fit.Coordinate and facilitate onsite interviews with the hospital team, collaborating with management and HR.Partner with the Talent Acquisition team to align candidates with roles that match their skills and career aspirations.Candidate Relationship Management:Foster strong relationships with candidates, guiding them through the recruitment process with transparency and care.Provide timely updates to candidates and hiring managers to ensure a smooth recruitment experience.Administrative Support:Post job openings on various external job boards and maintain listings outside of the ATS.Assist in preparing and presenting job offers promptly.Support hospital teams in navigating our Applicant Tracking System (ATS).

About UsAt Chakra Labs, we are dedicated to transforming human taste into a sophisticated intelligence framework. Our focus is on creating high-fidelity trajectories and environments that push the boundaries of AI research, collaborating with leading laboratories in the field.Why Join Us?Engage with cutting-edge technologies spanning data, AI, and infrastructure.Receive mentorship from a highly qualified and experienced team.Enjoy a competitive salary package, comprehensive benefits, and a daily meal stipend of $30, alongside an attractive equity offering.Considerations Before ApplyingThis is our passion. While we value fun, we are dedicated to hard work. If you prefer a standard 9-5 role, this may not be the right environment for you.Uncertainty is part of the journey. The landscapes of data and AI are ever-evolving. While we have a defined mission, those uncomfortable with ambiguity may find this role challenging.Your ProfileAdvanced Knowledge: You hold a Master's or PhD in machine learning, with a solid grasp of linear algebra and stochastic gradient descent, capable of deriving linear regression manually.Post-Training & Environments: You’re adept at executing SFT on distributed GPU clusters utilizing FSDP. You possess a keen interest in enhancing existing models with high-quality data and can conceptualize new environments and online reinforcement learning (GRPO, PPO).Proficient in Python: Familiarity with FastAPI and PyTorch is essential, including REST APIs and backend development, along with the ability to abstract high-level concepts in Torch using lower-level primitives.Experience: We seek approximately 3-5 years of relevant experience, though we value skills and alignment with our expectations over strict qualifications.

About Credal Credal builds AI-driven tools that help individuals and organizations pursue meaningful work. Our focus: simplifying complex operations for clients who make a difference, while weaving security and governance into every solution. Credal supports a range of notable partners, including the U.S. Department of Health and Human Services, MongoDB, Comcast NBC Universal, Lattice, Wise (formerly TransferWise), Checkr, and incident.io. With over $10 million raised so far, Credal is set for continued growth. Our team includes experienced professionals from Palantir, Cruise, Meta, Uber, and Google. Location: This role is based in person at our Brooklyn headquarters. The office is spacious and team meals are provided. See our location on Google Maps.

At Chakra Labs, we are dedicated to creating innovative environments for AI agents, focusing on systems that enhance and measure their productive capabilities.Key ResponsibilitiesAgent Orchestration at Scale: Manage hundreds of agent executions simultaneously, each with its unique stateful environment. You'll oversee the dispatch layer, including SQS, concurrency management, and failure recovery.Environment and Task Design: Develop realistic environments and challenging scenarios that push agents to their limits. Your role will involve constructing new evaluations and designing meaningful tasks that assess critical performance metrics.Exploring New Frontiers: Stay on the cutting edge of agent evaluation by supporting new environment modalities and integrating external orchestration frameworks.Observability: Implement Prometheus and OpenTelemetry across services, create Grafana dashboards, and manage structured logging.QualificationsContainer Orchestration: Proficient in managing Kubernetes or similar technologies in production environments, including auto-scaling, pod lifecycle management, persistent storage, and networking.Distributed Systems: Experience in building or maintaining message-driven architectures (e.g., SQS, Kafka). You understand how to manage job flows, implement retries without duplication, and handle failures gracefully.LLM Infrastructure: Familiarity with running LLM workloads at scale, including token instrumentation, rate limit management, prompt caching, and multi-provider routing.Experience: Approximately 3-5 years of relevant experience, though we are open to candidates who possess the required skills and knowledge.Why Join Us?Unique Focus: While this role is centered on infrastructure, the workload involves AI agents—monitoring model behaviors alongside pod health, and analyzing token throughput alongside network performance.Engaging Clients: Collaborate directly with AI researchers and labs, contributing to the advancement of agent capabilities and building the foundational infrastructure they rely on.Dynamic Team Environment: Take ownership of entire systems rather than just tasks, with opportunities to impact various projects and initiatives.

About MedElite LLC MedElite LLC, established in 2011, focuses on raising care standards in skilled nursing and long-term care facilities nationwide. The company’s data-driven "treat in place" approach supports better health outcomes for residents and helps partners use their time and resources more efficiently. MedElite manages a network of skilled providers and clinicians, delivering proactive care directly at the bedside. The company’s mission centers on improving the lives of both residents and healthcare professionals, driving ongoing innovation in senior care across the country. Role Overview: Staff Accountant Location: Brooklyn, NY Schedule: Full time Salary Range: $75,000 - $90,000 MedElite is seeking a Staff Accountant to join its Brooklyn-based team. This role supports a growing healthcare organization dedicated to serving the post-acute care population. The Staff Accountant maintains financial records, supports closing processes, and works closely with accounting, payroll, and FP&A teams to ensure accurate financial data. The position reports to the Accounting Manager and offers the chance to contribute to impactful projects, with room for career growth as the company expands. The role is primarily in-office, with some flexibility as needed. Main Responsibilities Carry out month-end closing tasks: prepare journal entries, accruals, and reconcile accounts such as prepaids, fixed assets, and payroll to support accurate financial reporting. Handle daily bank feeds and record cash transactions promptly. Invoice customers, match billings to contracts, and follow up on overdue invoices to support timely collections. Assist the accounts payable contractor with invoice entry and payment processing.

Hyperallergic serves as a powerful online platform delivering contemporary perspectives on art and culture. Established in 2009, it has grown into a forum that embraces playful, serious, and radical discussions about art's role in society. With a blend of news coverage and insightful commentary, Hyperallergic engages an influential readership of over one million each month.We are looking for a dedicated and passionate full-time Staff Reporter to become a vital part of our expanding team in Brooklyn, NY. The successful candidate will be a meticulous observer of the arts with the ability to write engagingly for a diverse audience. A strong social media presence and versatility in handling a variety of topics, from well-researched features to critical analyses of memes and online culture, are essential.As a Staff Reporter, your responsibilities will include:Consistently pitching news stories and analyses, leveraging both online resources and personal connections.Researching and crafting two articles daily under tight deadlines.Covering off-site events, including protests and cultural actions.Reporting on a wide array of topics, including arts activism, international events, archaeological finds, and more.Assisting in the growth of Hyperallergic’s audience across social media platforms and other channels.This role is headquartered in our Brooklyn, NY office.Please note: This position is a writing role. We encourage you to showcase your distinctive voice in your application. If AI is used, we will recognize applications that lack originality.

Join the City of New York as a dedicated Staff Nurse, providing exceptional patient care and support in a dynamic healthcare environment. You will work collaboratively with healthcare teams to ensure the highest standards of patient safety and comfort. Your role will involve assessing patient needs, developing individualized care plans, and implementing treatment protocols.

At Fuze Health, we prioritize patient care and continuously strive to address the most urgent healthcare needs. We empower millions to digitally engage with healthcare providers, vital health resources, and necessary treatments. Our mission enables care providers, employers, health plans, and life sciences companies to significantly enhance quality, outcomes, and overall value. We are committed to assisting our partners in evolving and modernizing to meet emerging patient and marketplace demands.Fuze Health stands on a robust foundation that combines several established, technology-driven innovators across the digital health, diagnostics, and pharmacy sectors. Our expanding portfolio unites the capabilities of industry leaders such as LetsGetChecked, Truepill, and Alto Pharmacy, forming a unique, cohesive powerhouse in healthcare. Together, we share a vision, advanced capabilities, and talented teams to provide next-generation solutions essential for patients and healthcare partners now and in the future.Staff PharmacistThe Staff Pharmacist at Fuze Health plays a pivotal role in ensuring the safe, accurate, and compliant delivery of pharmaceutical services. Reporting to the Pharmacist in Charge, this key contributor will support the pharmacy's daily operations, supervise pharmacy technicians and delivery personnel, and maintain the highest standards of patient care and regulatory compliance within the FuzeRx location.

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!