Sr. Backend Engineer - Tech Lead (Java)

3Pillar Global is seeking a Technical Lead - Python Backend Engineer based in the United States to guide backend development for its BX platform in the healthcare technology space. This position centers on both hands-on engineering and team leadership, shaping systems that support clinical research and global clinical trial outcomes. Role overview This role …

About Scribd:At Scribd Inc. (pronounced “scribbed”), we are driven by a mission to ignite human curiosity. Join our innovative team as we cultivate a universe of stories and knowledge, democratize the sharing of ideas and information, and empower collective expertise through our diverse products: Everand, Scribd, Slideshare, and Fable.This position is an officially approved, open role within our organization.We foster a culture where authenticity and boldness thrive; where discussions lead to commitment as we embrace unexpected challenges; and where every team member is empowered to take initiative with a steadfast focus on our customers.Our workplace structure emphasizes a balance between individual flexibility and community engagement. Through our flexible work initiative, Scribd Flex, employees can collaborate with their managers to design a work style that best suits their needs. Our approach prioritizes intentional in-person moments to strengthen collaboration, culture, and connection. Therefore, occasional in-person attendance is a requirement for all Scribd Inc. employees, regardless of their location.What do we seek in our new team members? We value “GRIT.” The essence of GRIT is the blend of passion and perseverance towards achieving long-term goals. At Scribd Inc., we believe in the immense potential this can unlock and encourage our employees to adopt a GRIT-driven approach to their work. In practical terms, GRIT also serves as an acronym that highlights the standards we uphold: we are searching for candidates who can set and achieve Goals, deliver Results in their responsibilities, contribute Innovative solutions, and positively impact the broader Team through collaboration and attitude.About the Team:The ML Data Engineering team is at the forefront of metadata extraction, enrichment, and content understanding across all Scribd brands. Our team processes hundreds of millions of documents and billions of images, providing high-quality metadata that enhances content discovery and trust for millions of users globally.Operating at scale, our systems manage diverse datasets including user-generated content (UGC), ebooks, audiobooks, and more. We work at the intersection of machine learning, data engineering, and distributed systems, closely collaborating with applied research and product teams to deploy scalable machine learning solutions.

Air Space Intelligence develops technology for sectors where reliability and precision matter most, including aviation, defense, and energy. The company’s mission is to help teams move quickly from analysis to action, using tools that support critical operational decisions. Investors include Andreessen Horowitz, Spark Capital, and Renegade Partners. The Civil Aviation team focuses on modernizing the U.S. air traffic control system. Each day, they tackle the challenge of coordinating tens of thousands of flights in a safety-critical environment. Their work centers on advanced trajectory prediction and decision-support systems, preparing the national airspace for new technologies like commercial space operations and advanced air mobility. Precision, resilience, and reliability are essential to improving safety and efficiency across the airspace. Role overview The Technical Lead, Backend for Civil Aviation, will design and guide the architecture of a backend system that supports U.S. air travel for the long term. This platform is foundational, not a prototype, and must be built for maintainability and future growth. Key technical challenge This role centers on operational-scale data fusion. The system must integrate diverse, noisy, and sometimes conflicting data sources, such as radar, flight plans, weather feeds, and operator inputs, to create a unified and authoritative view of the airspace. Projecting this state forward supports optimization across many competing factors. Success requires a strong grasp of uncertainty modeling, data provenance, and confidence, plus experience building systems that handle incomplete or erroneous data with care. What you will do Define and maintain design principles to manage system complexity, including clear module boundaries and abstractions that hide implementation details. Make architectural decisions and communicate the reasoning to keep the team aligned. Lead a small engineering team with a hands-on approach, guiding work from design through delivery. Collaborate with product managers, platform engineers, and domain experts to drive success. Location Boston, US

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.

At Oura, we believe in unlocking the potential within everyone. Our award-winning Oura Ring and its connected app empower individuals to understand their readiness, activity levels, and sleep quality. By providing actionable insights, we have supported millions in their journey towards healthier living.Our commitment to uplifting the world starts with embodying our core values and fostering a supportive environment for our team. As a rapidly expanding company dedicated to enhancing well-being, we prioritize equipping our employees with the tools and resources they need to excel both professionally and personally.Our engineering team is composed of talented developers located across the EU and the US. For everyday feature development, our engineers collaborate in smaller, cross-functional squads that enjoy significant autonomy. Each squad is responsible for the entire lifecycle of their features—from ideation and design to implementation, deployment, maintenance, and bug resolution.This is a remote role, ideally suited for candidates in the US-Pacific timezone. For those who prefer hybrid or in-office settings, we have locations in San Francisco and San Diego, along with employee hubs in New York City, Boston, Los Angeles, Seattle, and more.We are on the lookout for a passionate Senior Backend Engineer to enhance one of our dynamic teams. Several positions are available, each focusing on different feature areas—from enabling new hardware capabilities and interaction modes to creating multimodal data labeling and model training pipelines that drive personalized guidance. Join us at the forefront of wearable technology and help shape the future of Oura’s products.Your Responsibilities:Design and implement high-quality solutions, overseeing the entire process from conception to production, including testing, monitoring, and documentation, while establishing best practices across the engineering lifecycle.Proactively address ambiguous challenges, transforming them into clear, manageable solutions while ensuring alignment with stakeholders.Ensure that all solutions comply with contemporary security, privacy, and regulatory standards.Lead architectural enhancements to scale the platform, refine our infrastructure, and support new product functionalities.Collaborate effectively within a globally distributed and diverse team, adapting to Oura’s evolution and seizing new opportunities.

Join teamworks as a Software Engineer II specializing in backend development using Python and Postgres. In this role, you will play a crucial part in designing and maintaining robust backend systems that power our innovative solutions. You will collaborate with cross-functional teams to deliver high-quality software that meets the needs of our users.

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.

Are you passionate about Python and eager to share your expertise with a vast community of developers?The Real Python tutorial team is renowned for delivering top-tier Python tutorials online. Our mission is to empower Python developers globally to enhance their skills.With over 3 million monthly visitors, we are excited about our journey thus far, but believe we can reach even greater heights!To elevate our tutorial quality and broaden our content offerings, we are seeking enthusiastic video course instructors who:Have a deep love for Python and a desire to assist learners in advancing their skillsUnderstand the significance of clarity and tone in educational video contentAspire to refine their craft and leverage our comprehensive publishing processCan commit to producing one or more new recordings each month and adhere to deadlinesThis position is fully remote. For more details, visit: realpython.com/jobs/video-course-instructorIdeal candidates will:Possess several years of programming experienceBe passionate about teaching “programming concepts” and have experience recording screencasts. The content you create will primarily be derived from existing written tutorials, so your ability to transform written material into engaging short videos is crucial.Have the ability to integrate Real Python into their weekly routine, as this role requires a notable time commitment.Joining the Real Python team comes with numerous benefits:Continuous Learning: Engage in ongoing learning and enjoy the process, enhancing your skills as a developer, writer, and communicator while forming valuable connections.Wide Reach: Our website attracts significant traffic—over 3 million visitors monthly and consistently growing. We are frequently highlighted in various Python publications and manage one of the largest email newsletters and social media channels in the community. Our YouTube channel boasts over 150,000 subscribers, ensuring that your published video series garners substantial viewership and appreciation.Content Enhancement: Upon submission of a video series to Real Python, our dedicated team will work with you to ensure the highest quality output.

Role overview Binance seeks a Technical Support Engineer with experience in blockchain and backend technologies. This position is located in Asia and centers on supporting users and ensuring the reliability of backend systems for the Binance exchange. Key responsibilities Provide technical support to users of the Binance platform Assist in maintaining stable and reliable backend operations Work with blockchain-related technologies as part of daily tasks Location This role is based in Asia.

About PlaylabPlaylab is a pioneering tech non-profit focused on empowering educators and students to become discerning users and innovative creators of AI technology.We are committed to an open-source, community-oriented approach that unlocks the transformative potential of AI in education. By providing communities with AI tools and hands-on professional development, we enable educators and students to craft custom AI applications tailored to their specific needs. Over 60,000 educators have utilized Playlab to publish their apps, and our influence continues to expand.At Playlab, we view AI as a new medium for design—one that should be sculpted by diverse voices to realize ambitious educational concepts. If you share our passion for forging creative and equitable futures for learners and teachers, we invite you to explore joining our team.The RoleWe are in search of a Staff Backend Engineer to enhance our dynamic Engineering team. In this role, you will connect cutting-edge AI innovations with production systems, transforming emerging technologies into reliable and high-performance services that enhance real educational experiences.Examples of the WorkCollaborate with ML teams to design and implement the agent runtime framework that supports goal-oriented educational platforms.Develop services that leverage fine-tuned models to automatically scaffold new applications based on high-quality examples.Create and execute systems for dynamic interface generation, from chat interfaces to writing editors and interactive simulations.Integrate RAG systems and knowledge graphs to enhance curriculum and educational content.Construct services for the large-scale processing and analysis of educational conversations.And much more...ExpectationsDesign, build, and maintain robust Python services that support reliable AI features.Stay updated on emerging frameworks and trends within the Python ecosystem, evaluating new tools to enhance our capabilities.Collaborate across functions with ML engineers, platform engineers, and product teams to ensure services meet actual user needs.Strike a balance between experimentation and production excellence—rapidly prototype new techniques while ensuring service reliability.Develop comprehensive tests and documentation to make systems more understandable and maintainable.Guide and mentor fellow engineers on best practices and innovative approaches.

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

Join our dynamic team as a Senior Backend Engineer at antithesis, where you will play a crucial role in developing innovative backend solutions that drive our cutting-edge projects. As a Senior Backend Engineer, you will work closely with cross-functional teams to design, implement, and optimize our backend architecture, ensuring high performance and scalability.

About SvixSvix is an innovative startup at the forefront of server-to-server communication, specializing in webhooks. Our robust, scalable infrastructure is trusted by prominent companies such as Etsy, TaskRabbit, Brex, and members of the Fortune 500.With a product and team ranked in the top 1%, we pride ourselves on our exceptional customer satisfaction and are dedicated to defining the next generation of developer infrastructure.Backed by an impressive $11 million investment from leading investors, including a16z and Y Combinator, alongside industry leaders from GitHub, Segment, Lookout, and Fly.io, we are poised for significant growth.

Join Corelight as a Lead Backend Software Engineer, where you will play a pivotal role in building and enhancing our innovative software solutions. You will lead a talented team of engineers, driving the design and implementation of robust backend systems that power our cutting-edge cybersecurity products.

Join our client's innovative team! We are a Series C-funded Tech Startup situated in Austin, TX, actively searching for a talented Lead Backend Developer.

Role overview As a Senior Backend Engineer at Postscript, the focus is on building and refining the core systems that power the platform. This role is fully remote, offering flexibility while working with a distributed team. The position emphasizes designing backend solutions that enable the platform to scale and remain reliable as it grows. What you will do Collaborate with teams throughout the company to design backend systems that can scale as demand increases Work to optimize performance and ensure the reliability of platform services Share ideas and develop solutions to strengthen the backend architecture

Join squaredomain as a Senior Backend Server Engineer and contribute to the development of innovative gaming solutions. We are on the lookout for a talented individual with expertise in backend technologies to enhance our e-commerce systems and web gaming experiences.Proficiency in Python; knowledge of Object-Oriented programming, especially in C++, would be a bonus.Experience with AWS and IaaS platforms.Familiarity with Linux environments and source code control systems, along with release management practices.Experience in building and consuming RESTful APIs.Experience with Django, Tornado, or Twisted is a plus.Knowledge of Node.js and frameworks like AMQP.Strong background in API development and integration.

Krew is revolutionizing the credit-servicing sector with cutting-edge AI-driven agents designed to enhance financial wellness. Our innovative approach is supported by notable investors such as Long Journey Ventures (Arielle Zuckerberg, Pascal Levy-Garboua) and prominent angels including Ryan Hoover (Founder, Product Hunt), Charlie Songhurst (Board Member, Meta), and Michael Jones (Former Chair, Huntington Bank Ventures). Our team consists of exceptional talent from renowned organizations including Figure Robotics, Optiver, Bain, and the United Nations, alongside top-tier engineers and researchers from institutions like the University of Chicago and Oxford. Currently, our omnichannel agents assist over 100,000 consumers on their journeys towards financial stability. Our ambitious goal is to resolve more than $1 trillion in outstanding consumer delinquencies globally, employing an empathetic and human-centric approach.Job Overview:We are seeking a talented Member of Technical Staff with a focus on backend engineering. The ideal candidate is a motivated engineer who prioritizes high-quality code and thrives in a collaborative environment driven by rapid innovation.Key Responsibilities:Architect and develop backend APIs and services that empower our AI agents and operational tools.Deliver user-facing features from conception through to deployment (including data modeling, API development, and UI integration).Enhance system reliability, observability, and performance across the engineering stack.Work closely with design, operations, and compliance teams to ensure the delivery of safe and compliant features.Write comprehensive tests, maintain code quality, and engage in design review discussions.Contribute to the evolution of our engineering standards and product development methodology.Minimum Qualifications:A minimum of 2 years of full-time professional experience in backend or full-stack engineering.Proficiency in backend development technologies such as Python or Go.Strong commitment to code quality, including testing, documentation, and code reviews.Preferred Qualifications:Experience in FinTech, Risk Management, or Compliance is advantageous but not essential.Familiarity with LLM/AI-powered products, event-driven architectures, or data processing pipelines.Knowledge of security, privacy, and compliance best practices.