Lead Backend Software Engineer

Join Bumble Inc. as a Lead Backend Software Engineer and play a pivotal role in shaping the core systems that enhance the Bumble Dating experience. This position is perfect for seasoned engineers who have a track record of building and delivering comprehensive features. You should be comfortable taking ownership of projects and eager to make significant contributions to our technical architecture while also mentoring junior team members. Collaborate with cross-functional teams to produce high-impact results in a dynamic and fast-paced environment.

Aerovy is hiring a Lead Software Engineer focused on backend development at its Seattle Engineering HQ. This position guides a team in building and maintaining scalable backend systems. The work centers on strengthening software architecture and supporting fast, reliable responses to front-end requests. Role overview This lead engineer role involves close collaboration with cross-functional teams. The position shapes the design and delivery of new features and oversees the technical direction for backend projects. What you will do Direct and mentor a backend engineering team Design, develop, and maintain scalable backend solutions Work with other teams to define and deliver new features Focus on high performance and quality throughout the software lifecycle

Machinify is at the forefront of healthcare intelligence, specializing in optimizing the payment continuum to provide unparalleled value, transparency, and efficiency for health plan clients nationwide. With over 85 health plan deployments, including many of the top 20, and coverage for more than 270 million lives, our AI-powered platform combined with expert insights is revolutionizing the industry. We are continuously innovating to create simple yet powerful solutions that enhance financial outcomes and reduce healthcare costs.We are seeking a talented Senior or Staff Software Engineer with extensive Rust experience to become a vital member of our growing engineering team!In this position, you will utilize your advanced programming skills to design and develop scalable and reliable web application systems. The ideal candidate will have significant experience in application design, system architecture, and proven leadership capabilities to promote Rust language adoption and best practices.You will be part of a highly visible engineering team tasked with solving complex, high-impact challenges using cutting-edge AI, data analytics, and software technologies. Your contributions will directly influence our customers and future product developments, with the opportunity to make a meaningful impact on millions of lives through your technical decisions!

About Beacon AIJoin an innovative team of aviators, engineers, and operators at Beacon AI, where we are redefining the aviation industry through cutting-edge artificial intelligence. Our mission is to enhance the safety, efficiency, and capability of flying. With the backing of leading investors, we have secured multiple contracts with the Department of Defense and partnered with major airlines to deliver essential systems. Our culture thrives on agility and collaboration, with small, focused teams that take ownership of their projects, quickly transforming ideas into reality and pushing the limits of human and AI collaboration in aviation.Role OverviewWe are on the lookout for a skilled Lead Backend Software Engineer to spearhead the design, development, and scaling of the backend systems that underpin our flight safety platform. In this pivotal role, you will take charge of backend services, APIs, and data pipelines while balancing hands-on coding with technical leadership. You will collaborate closely with product managers and cross-functional teams to create robust, secure, and scalable systems that power mission-critical applications in the real world.

About the RoleJoin our innovative team at character as a Backend Software Engineer. In this pivotal role, you will develop and sustain scalable, high-performance backend systems that drive our products forward. You will collaborate closely with designers, data scientists, and fellow engineers to create, design, and implement robust backend solutions that meet user demands.Your ResponsibilitiesArchitect, develop, and manage scalable backend services that bolster our applications and infrastructure.Craft secure and efficient APIs to facilitate frontend applications and third-party integrations.Enhance system performance, reliability, and scalability through architectural best practices and engineering expertise.Collaborate with product managers, data analysts, and frontend engineers to deliver backend solutions that align with business goals and user expectations.Guarantee high availability, fault tolerance, and optimal performance of backend systems.Monitor system health, troubleshoot issues, and implement enhancements to improve efficiency and reliability.Adhere to security best practices to safeguard user data and maintain system integrity.Stay informed about industry trends and emerging technologies in backend development and distributed systems.Your Profile5+ years of experience in backend development, creating scalable and dependable applications.Strong proficiency in programming languages such as Python, Java, or Go, with a preference for Python and Go.Familiarity with database technologies, including PostgreSQL, MySQL, or NoSQL solutions.Experience in designing and integrating APIs, particularly REST and GraphQL.Understanding of distributed systems, microservices architecture, and cloud platforms (AWS, GCP, or Azure).Proficiency with containerization and orchestration tools like Docker and Kubernetes.Strong analytical skills with the ability to optimize system performance and reliability.Excellent communication skills and a collaborative mindset.Preferred QualificationsExperience with...

Location: San Francisco / Palo Alto, California Job Type: Full-time About Us:Avala is a visionary company at the forefront of the labor economy and AI revolution, operating as a two-sided marketplace. We are dedicated to reshaping the future of work while ensuring our AI systems are closely aligned with human values.Our innovative platform facilitates the integration of human feedback into AI processes, distinguishing itself from traditional crowdsourcing methods. By dynamically orchestrating digital assembly lines with the efficiency of a Gigafactory, Avala adeptly meets the needs of complex data labeling and high-volume content moderation on a global scale.We recognize the transformative potential of AI in society and are committed to fostering positive and inclusive changes. Our goal is to empower individuals and communities worldwide, providing them with the opportunity to contribute to the curation and moderation of AI systems.‍ Meet Our Founder:Founded in May 2020 by Emal Alwis, a seasoned expert from Tesla Autopilot, Avala is on a mission to tackle pressing global challenges by offering dignified digital work opportunities. We believe that every individual deserves access to equitable wages, regardless of their location, simply through the use of a smartphone. Position Overview:As a Lead Backend Software Engineer on the Avala Engineering team, you will play a crucial role in designing and implementing a variety of tools that power our Digital Assembly Line. This key function supports AI-assisted human labeling and diverse machine learning workflows.Your contributions will significantly influence the lifecycle of Avala’s full-stack ML Ops platform, encompassing data curation, processing, discovery, annotation, and visualization. You will also develop tools that automate the complete workflow for training, validating, and deploying customer models into production.We seek a backend engineer with outstanding software engineering capabilities who can make immediate contributions to our tooling systems. While familiarity with machine learning, computer vision, or neural networks is advantageous, it is not a prerequisite. A strong candidate will either be a skilled software generalist or a specialist eager to learn and grow within our dynamic environment.

Join our innovative team at januaryinc as a Lead Backend Platform Engineer! In this pivotal role, you will drive the development of scalable backend systems that support our industry-leading products. Your expertise will guide a talented team as we push the boundaries of technology and deliver exceptional user experiences.

At Collective Health, we are revolutionizing the way employers and their employees interact with health benefits. By integrating state-of-the-art technology, empathetic service, and exceptional user experience design, we are changing the landscape of healthcare.The Provider Servicing team is dedicated to enhancing our integrations with partners to ensure a smooth experience for our Providers. We prioritize delivering accurate information that Providers need to deliver care and process claims effectively. Maintaining information integrity and security is paramount as we utilize advanced technologies to achieve our goals. Our modern health management systems rely heavily on these integrations.As a Lead Backend Engineer, you will take ownership of the Provider Servicing systems, developing new AI-driven solutions while supporting existing microservices-based applications and integration platforms. This role offers opportunities for advancement, including leading a team, exploring new technologies, and contributing to our evolution into a comprehensive healthcare platform.

Join Hadrian in Shaping the Future of ManufacturingAt Hadrian, we are on a mission to revolutionize the aerospace and defense manufacturing landscape through our state-of-the-art autonomous factories. Our innovative approach enables companies to manufacture rockets, satellites, jets, and ships at speeds up to 10 times faster and at costs reduced by half. By integrating cutting-edge software, robotics, and comprehensive manufacturing solutions, we are redefining the production of America's most essential components.Recently, we secured a $260 million Series C funding to expedite our vision. We are thrilled to open a new state-of-the-art Factory in Mesa, Arizona—a sprawling 270,000 square foot facility that will create 350 immediate job opportunities. Furthermore, we are establishing a new headquarters to accommodate thousands of hires in the future, launching Hadrian Maritime to support naval production, and introducing our Factory-as-a-Service model for delivering holistic systems instead of mere parts.We collaborate with startups, Tier 1 and Tier 2 suppliers, and major defense contractors across industries such as space, shipbuilding, and aviation to enhance production, drive down costs, and expedite delivery of mission-critical initiatives. Backed by prominent investors like Lux Capital, Founders Fund, and Andreessen Horowitz, our rapidly expanding team is united by a singular goal: to modernize American manufacturing for the 21st century and beyond!Your RoleAs a Backend Software Engineer, you will engage with multiple internal products and teams:Flow is our flagship FactoryOS platform, housing applications that model, manage, and automate an intricate web of factories.Copilot offers a suite of automation products that enhance or expedite crucial factory processes, including quoting, CAM programming, and CMM programming.Factory Automation is responsible for creating robotic solutions for our factories along with the software that powers them.Prospective candidates will find diverse opportunities to innovate within our extensive backend services and applications, particularly in redefining manufacturing software, from distributed systems to automation infrastructures.Key ResponsibilitiesDesign, architect, implement, and deploy critical backend services across various product lines.Develop and maintain robust, scalable, and high-performance APIs and systems tailored for a complex production environment.Collaborate with manufacturing and software experts during product discovery to determine essential features and improvements.

Janea Systems (USA) is an innovative collective of top-tier software engineering experts and solution architects from across the globe. We specialize in delivering impactful software development services to Fortune 500 companies, spanning from kernel to cloud solutions.We are on the lookout for an exceptionally skilled Lead Backend Engineer to enrich our rapidly expanding consulting team. This position provides a unique opportunity to engage with high-profile projects at the forefront of the software industry.

About Onos HealthAt Onos Health, we are driven by a bold mission: to ensure that every dollar spent on healthcare translates into the highest quality of care possible. Alarmingly, 30% of healthcare spending in the U.S. is squandered due to ineffective care and administrative inefficiencies resulting from misalignment between providers and payers.We are tackling this challenge head-on by developing the largest AI-powered healthcare data platform. Our innovative models empower payers to make quicker and more precise decisions for their populations. By directing members to appropriate care, Onos is reallocating resources to high-quality care that enhances outcomes and reduces healthcare costs.Having recently secured a $6 million Seed funding round with prominent investors, we are already collaborating with some of the largest health plans in the nation, achieving our first national plan just months post-launch.Join us in redefining healthcare for the better.Why Choose Onos?Make a meaningful impact: Be part of fixing what is fundamentally broken in healthcare.Collaborate directly: Work alongside seasoned founders with extensive expertise in healthcare and data.Embrace our culture: Become part of a high-performing, transparent, and results-driven team.Gain ownership: Experience significant responsibility and autonomy from day one.Seize the opportunity: Play a crucial role in building a fast-growing, category-defining healthcare AI company.The RoleWe are looking for a skilled technical leader (Tech Lead/Manager level) who is passionate about improving healthcare administration in the United States. In this role, you will take charge of developing key components of the Onos platform through hands-on development and technical leadership. As one of the early team members, you will closely collaborate with our founding team while helping to build and guide a growing engineering team. This position is hybrid, based in San Francisco, requiring in-office attendance 2-3 times per week.Your Responsibilities at OnosLead the integration and rollout of the Onos platform for new enterprise clients, providing actionable insights and recommendations to health plan administrators.Oversee the end-to-end development of new features and functionalities for the Onos platform, including requirements gathering, scoping, architecture, implementation, and testing to ensure timely and high-quality results.

About Glean:Established in 2019, Glean is a pioneering AI-driven knowledge management platform that empowers organizations to swiftly discover, organize, and disseminate information within their teams. By seamlessly integrating with platforms such as Google Drive, Slack, and Microsoft Teams, Glean ensures that employees can access essential knowledge when they need it most, enhancing productivity and collaboration. Our state-of-the-art AI technology streamlines knowledge discovery, enabling teams to leverage their collective intelligence more effectively.Glean was envisioned by Founder & CEO Arvind Jain, who recognized the challenges employees encounter in locating and comprehending information at work. Witnessing the fragmentation of knowledge and the proliferation of SaaS tools that hindered productivity, he embarked on a mission to create an AI-powered enterprise search platform that facilitates quick and intuitive access to necessary information. Glean has since transformed into the premier Work AI platform, merging enterprise-grade search functionality, an AI assistant, and robust application and agent-building features to revolutionize the way employees work.About the Role:We are seeking innovative engineers to take ownership of and launch engaging user-facing features. In the dynamic environment of a rapidly growing startup, this role involves collaborating with product managers and designers to strike the perfect balance between engineering constraints and user requirements, ultimately delivering seamless experiences across modern mobile and desktop browsers.Your Responsibilities:Manage the full lifecycle of your greenfield features from conceptualization through implementation, experimentation, and launch.Transform the current user experience by integrating AI capabilities into the product.Provide guidance and mentorship to junior engineers.

Join Philo in Shaping the Future of TelevisionAt Philo, we are revolutionizing the television experience, enabling viewers to enjoy their favorite shows seamlessly across devices, with intuitive discovery features and effortless sharing options. We're committed to creating the TV experience we've all longed for.Our team values people—both subscribers and employees. We empower our colleagues to excel in their roles while fostering a culture of collaboration towards common objectives. We prioritize transparency, pragmatism, and passion, ensuring everyone feels valued and supported.Diversity and inclusion are cornerstones of our hiring philosophy. We believe that a variety of voices enhances innovation and ultimately leads to a superior experience for our subscribers.Based in San Francisco, with additional offices in Brooklyn and Cambridge, Philo is backed by industry leaders, including HBO, Tubi, and Warner Brothers Discovery. Our leadership team brings extensive experience from top-tier companies.About the RoleAs a Lead Backend Software Engineer on the Product API team, you will play a crucial role in connecting users with their favorite shows, facilitating the discovery of new content, and enhancing their viewing experience. Your contributions will impact millions of users across web, mobile, and connected TV platforms.In this role, you will develop and maintain the Philo show catalog, manage search functionalities, implement machine learning-powered recommendations, and handle platform integrations (e.g., Roku, FireTV). You will design robust APIs for client platforms to access our catalog while ensuring seamless features like show saving, notifications, and experimental runs. Your responsibility will also include scaling the system to handle millions of users, maintaining security and privacy standards, and supporting various client setups through custom frameworks and infrastructure.As a leader, you will set a strong example by shipping features, addressing bugs, overseeing releases, and advocating for code quality across our projects. We're looking for an enthusiastic backend engineer with a solid technical foundation in creating scalable APIs and services.

Join Air Apps as a Backend Software EngineerAt Air Apps, we’re passionate about innovation and speed. Founded by a family in 2018 in Lisbon, Portugal, we are on a mission to revolutionize how individuals and entrepreneurs manage their resources with our AI-powered Personal & Entrepreneurial Resource Planner (PRP). With over 100 million downloads globally, and offices in both Lisbon and San Francisco, we continue to grow as a self-funded company.As a Backend Software Engineer, you will play a crucial role in designing, developing, and maintaining the server-side components of our applications. Your collaboration with product managers and frontend developers will ensure our services are robust and scalable, ready to support our rapid growth.Join us in this exciting journey to redefine resource management and positively impact lives worldwide.

Backend Software EngineerConfluera is an innovative cybersecurity startup backed by Series B funding, dedicated to safeguarding the cyber landscape. Our mission is to fortify enterprises today to ensure a more secure tomorrow. We provide a comprehensive solution that enhances visibility across cloud environments, empowering cybersecurity leaders with real-time attack prevention capabilities.Key Responsibilities- Design and construct distributed systems capable of processing vast amounts of data.- Develop, maintain, and optimize APIs and systems for scalable product enablement.- Create advanced models and features to improve anomaly detection accuracy.- Collaborate and communicate effectively with Product, Design, and Engineering teams.- Rapidly develop and iterate on solutions while upholding high-quality standards.Required Qualifications- Proficiency in programming languages such as Java and Python.- Experience with streaming platforms like Kafka.- Familiarity with stream processing frameworks, including Spark.- Understanding of distributed systems architecture.Preferred Qualifications- Prior experience working with streaming and stream processing systems (Kafka, Spark, etc.).- Knowledge in building ETL pipelines.- Experience delivering and maintaining large-scale production systems.- Leadership experience in technical projects.Educational Background- A Bachelor's or Master's degree in Computer Science, Computer Engineering, or a related field, or equivalent professional experience.

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

Location: Waltham, MA (hybrid) At ERGO NEXT, our mission is to empower entrepreneurs to succeed by offering the industry's only technology-driven, full-stack solution for small business insurance. We are transforming the entire value chain to enhance the customer experience. Since our establishment in 2016, we've provided hundreds of thousands of small business clients across the U.S. with quick, customizable, and affordable insurance coverage. Supported by leaders in the insurance and tech sectors, we are poised for further growth—and that’s where you come in. As a Backend Software Engineer, you will work with cutting-edge backend technologies and programming languages, primarily server-side Kotlin. We pride ourselves on producing clean, testable code quickly and deploying it several times a day via our CI/CD pipeline. Your Responsibilities: Collaborate closely with product teams, marketing staff, and front-end engineers to quickly develop and iterate on our product, discovering optimal solutions for our challenges. Take ownership of features from conception through design and coding, ensuring high quality and test coverage upon deployment.

About MedalMedal stands as the premier platform for gaming clips, rapidly evolving to connect millions of gamers who capture, share, and replay their most thrilling moments. Our community showcases billions of unique clips each year, fueling the next generation of gaming interactions—where social engagement, monetization, and creator empowerment converge. Our commitment is to create intuitive products that simplify the sharing, discovery, and connection of gaming highlights, making every interaction enjoyable.With an impressive seed funding of $133M from General Catalyst and Khosla, we are on a mission to unveil the future of gaming intelligence.The RoleAs a pivotal part of our engineering team, you will contribute to the backend systems that handle everything from real-time in-app communication and the storage of billions of user-generated clips to our machine learning-driven feeds and social functionalities. We are in search of a Senior or Lead Backend Engineer who can help us scale and enhance this crucial infrastructure.In this position, you will collaborate with product, infrastructure, and data teams to design and construct highly scalable, low-latency systems. Your responsibilities will include crafting essential APIs, refining our backend architecture, mentoring fellow engineers, and making impactful technical decisions that affect millions of users.If you are passionate about building resilient systems, envisioning architecture at scale, and eager to engage with a product that intertwines gaming, content, and community, this opportunity is tailored for you.You WillDesign and implement backend systems and REST APIs catering to millions of users and billions of clips.Take ownership of features from conception through to deployment.Collaborate with diverse teams across product, ML, and mobile to create harmonious experiences.Scale our systems to accommodate user growth, content expansion, and feature enhancements.Lead engineering initiatives, influence architectural strategies, and mentor junior and mid-level backend engineers.Assist in maintaining our cloud infrastructure and CI/CD pipelines.Optimize databases, APIs, and services to enhance performance, scalability, and cost-effectiveness.Contribute to technical strategy, roadmap, and best practices across the team.

Join Payoneer as a Backend Tech Lead, where you will play a pivotal role in shaping the future of our technology initiatives. We are looking for a highly skilled and motivated individual who can lead our backend development team to deliver innovative solutions. Your expertise will help optimize our systems, enhance performance, and ensure scalability.As a Backend Tech Lead, you will be responsible for mentoring team members, conducting code reviews, and ensuring best practices in software development are followed. You will collaborate with cross-functional teams to define technical requirements and design robust solutions that meet business needs.