Software Product Reliability Engineer Jobs

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Collections team, as part of the Repayments area, is on a mission to build a robust platform that will maximize the recovery of delinquent users by sending the right message to the right people at the right time, while monitoring and detecting problems and ensuring high reliability of the engineering systems. Collaborating closely with our product managers, backbook risk teams and other engineering teams , you will effectively manage loans throughout the delinquency phase of their lifecycle and develop and implement recovery strategies. We are looking for a highly motivated software engineer to build the next generation platform solutions that will allow us to manage our constantly growing volume while maintaining high availability and reliability of the systems. You will work closely with your team mates in the Collections team and Product to build robust collections solutions which will enable us to keep our loans portfolio healthy and help our customers pay on time and recover from any delays. What You'll Do · With the support of your team’s tech lead and manager, you will break down larger projects into individual tasks, deliver them in multiple phases, and collaborate with others to ensure timely delivery of your work. · You will support your peers and stakeholders in the product development lifecycle by collaborating with product management, design & analytics by participating in ideation, articulating technical constraints, and partnering on decisions that properly consider risks and trade-offs. · You will support the operations and availability of your team’s artifacts by creating and monitoring metrics, escalating when needed, and supporting “keep the lights on” & on-call efforts. · On-Call Rotation - There would be an on-call rotation for this role as a requirement · Y

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Collections team, as part of the Repayments area, is on a mission to build a robust platform that will maximize the recovery of delinquent users by sending the right message to the right people at the right time, while monitoring and detecting problems and ensuring high reliability of the engineering systems. Collaborating closely with our product managers, backbook risk teams and other engineering teams , you will effectively manage loans throughout the delinquency phase of their lifecycle and develop and implement recovery strategies. We are looking for a highly motivated software engineer to build the next generation platform solutions that will allow us to manage our constantly growing volume while maintaining high availability and reliability of the systems. You will work closely with your team mates in the Collections team and Product to build robust collections solutions which will enable us to keep our loans portfolio healthy and help our customers pay on time and recover from any delays. What You'll Do With the support of your team, you will work on tasks that contribute to the team's projects and goals. You will work collaboratively and proactively with your team and stakeholders, bringing them along for your work and helping to create visibility and dialog regarding the risks and trade-offs related to your work. You will strike the right balance of speed and quality in your work, ensuring that we hit our business goals while protecting our systems from downtime. You will contribute to a sense of community on your team by engaging in growth and development activities What We Look For You have previous work or internship experience designing, developing and launching backend systems at scale and are experienced using one of Python or Kotlin. You are familiar with the building b

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Collections team, as part of the Repayments area, is on a mission to build a robust platform that will maximize the recovery of delinquent users by sending the right message to the right people at the right time, while monitoring and detecting problems and ensuring high reliability of the engineering systems. Collaborating closely with our product managers, backbook risk teams and other engineering teams , you will effectively manage loans throughout the delinquency phase of their lifecycle and develop and implement recovery strategies. We are looking for a highly motivated software engineer to build the next generation platform solutions that will allow us to manage our constantly growing volume while maintaining high availability and reliability of the systems. You will work closely with your team mates in the Collections team and Product to build robust collections solutions which will enable us to keep our loans portfolio healthy and help our customers pay on time and recover from any delays. What You'll Do With the support of your team, you will work on tasks that contribute to the team's projects and goals. On-Call Rotation - There would be an on-call rotation for this role as a requirement You will work collaboratively and proactively with your team and stakeholders, bringing them along for your work and helping to create visibility and dialog regarding the risks and trade-offs related to your work. You will strike the right balance of speed and quality in your work, ensuring that we hit our business goals while protecting our systems from downtime. You will contribute to a sense of community on your team by engaging in growth and development activities What We Look For You have previous work or internship experience designing, developing and launching backend systems at scale an

Job Details: Job Description: We are seeking a System Software Development Engineer to design, develop, integrate, test, validate, and debug software across multiple layers of the software stack. This role involves working on technologies, products, and platforms that enable key features, capabilities, and solutions for next-generation computing systems. The engineer will collaborate with cross-functional teams to deliver high-quality software that supports hardware and software innovation. Key Responsibilities Design, develop, and maintain software across multiple layers of the system software stack, including: Firmware Device drivers Operating systems Middleware Frameworks Algorithms Applications and user interfaces Integrate software components to enable specific product features, capabilities, and solutions. Perform software testing, validation, debugging, and performance optimization to ensure reliability and quality. Develop and support reference platforms and product-specific software solutions. Collaborate with hardware, firmware, architecture, and validation teams to optimize system functionality and performance. Analyze system requirements and translate them into scalable software designs and implementations. Troubleshoot complex software and system-level issues across multiple technology domains. Contribute to software architecture, code reviews, and continuous improvement of development processes. Support product development throughout the software lifecycle, from concept and design through deployment and maintenance. Behavioral Traits Strong problem-solving and analytical skills. Technical curiosity with a passion for learning new technologies.<

About the Role As a Software Engineer at K Health, you are the champion of technical excellence for a high-stakes portfolio of clinical AI and a suite of products that serve the patients and the physicians. We don't just build apps; we build, and operate modern, AI-powered, 24/7 virtual clinics for the nation’s largest health systems. In this role, your mission is to help build a product ecosystem where reliability, privacy, and performance are non-negotiable. You will develop reusable components and resilient architectures that exude trust, ensuring that every patient interaction is seamless and every clinical data point is secure. You will be a "multiplier," creating the foundational frameworks that allow us to deploy 5-star experiences across a portfolio of partners without sacrificing the quality our users depend on. This role requires onsite presence in our New York City office 4 days a week and does not provide immigration support. What you will do Full-Stack: Support the end-to-end lifecycle of products and features, from multi-platform clients, to the Kotlin/JVM-based backend services that power them. Quality as a Feature: Enforce standards for high-stakes engineering—ensuring that performance, accessibility, and data privacy are baked into every feature Platform Innovation: Proactively modernize our systems to leverage agentic AI tools that improve developer productivity and team efficiency. Technical Stewardship: Act as a stabilizing force in complex technical situations, bringing clarity to ambiguous requirements and making informed decisions that mitigate risk. Mentor & Multiply: Level up the engineering organization by fostering an ownership mindset and modeling how to move fast while maintaining clinical-grade quality. What we are looking for Established Expertise: 3-5+ years of professional software engineering experience, with a deep focus on building robust, customer-facing products from front-to-back. Full Stack Fluency: Strong profession

At Lyft, our purpose is to serve and connect. We aim to achieve this by cultivating a work environment where all team members belong and have the opportunity to thrive. Responsibilities: Design, develop, deploy, monitor, operate and maintain existing or new elements of our systems and infrastructure. Collaborate with engineers and partners in science & product to drive projects from inception, specification, execution, to launch. Write well-crafted, well-tested, readable, and maintainable code. Participate in code reviews to ensure code quality and distribute knowledge. Build an extensible and scalable platform that powers secure detection and response capabilities across the security lifecycle. Ensure high availability and reliability of detection engineering systems to support critical security monitoring and threat identification flows. Experience: Master’s degree or foreign equivalent in Computer Science, Engineering, or related field. 2 years of pre- or post-academic experience in job offered, software development, or related occupation. Experience with Object-oriented programming. Experience writing clear, scalable, and clear design documentation. Experience with backend software development of large-scale distributed systems. Benefits: Great medical, dental, and vision insurance options with additional programs available when enrolled Mental health benefits Family building benefits Child care and pet benefits 401(k) plan to help save for your future In addition to 12 observed holidays, salaried team members have discretionary paid time off, hourly team members have 15 days paid time off 18 weeks of paid parental leave. Biological, adoptive, and foster parents are all eligible Subsidized commuter benefits Lyft Pink - Lyft team members get an exclusive opportunity to test new benefits of our Ridership Program Lyft is an equal opportunity employer committed to an inclusive workplace that fosters belonging. All qualified applicants will rece

About the Role: As a Senior Software Engineer at K Health, you are the champion of technical excellence for a high-stakes portfolio of clinical AI and a suite of products that serve the patients and the physicians. We don't just build apps; we build, and operate modern, AI-powered, 24/7 virtual clinics for the nation’s largest health systems. In this role, your mission is to architect a product ecosystem where reliability, privacy, and performance are non-negotiable. You will lead the development of reusable components and resilient architectures that exude trust, ensuring that every patient interaction is seamless and every clinical data point is secure. You will be a "multiplier," creating the foundational frameworks that allow us to deploy 5-star experiences across a portfolio of partners without sacrificing the quality our users depend on. This role requires onsite presence in our New York City office 4 days a week and does not provide immigration support. What you will do: Architect for Trust: Design and drive a unified product engineering strategy that supports a portfolio of products and solutions, prioritizing modularity, reusability, and extreme resiliency. Full-Stack Ownership: Own the end-to-end lifecycle of products and features, from multi-platform clients, to the Kotlin/JVM-based backend services that power them. Quality as a Feature: Define and enforce standards for high-stakes engineering—ensuring that performance, accessibility, and data privacy are baked into the architecture, not added as afterthoughts. Platform Innovation: Proactively modernize our systems to leverage agentic AI tools that improve developer productivity and team efficiency. Platform Evolution: Build and maintain the shared libraries and DSLs that enable rapid, high-quality deployments for our health system partners. Technical Stewardship: Act as a stabilizing force in complex technical situations, bringing clarity to ambiguous requirements and making informed decisions that

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. About the Role: The Ubiquiti Pilsen office is seeking a SDET with proven Python development skills. Your primary focus will be on architecture, extensibility, and maintainability, as well as on test design and investigation of test results and issues. You will work closely with QA, DevOps, and development teams to design and implement new capabilities, improve performance and reliability, and ensure the framework scales with our growing needs. The role involves working in an environment tied to networking products and systems, requiring an understanding of how software interacts with network devices and services. We are looking for a proactive, hands-on engineer with deep Python expertise, experience with large-scale or long-lived projects. A strong architectural mindset is a great bonus and will be highly appreciated. Key Responsibilities Design, develop, and maintain a Python-based automated testing framework Contribute to the migration of an existing testing framework to Python while ensuring feature parity Design and Investigate network-area related test scenarios Perform in-depth analysis of cutting-edge network protocols Implement and improve framework features used by QA and development teams Collaborate closely with QA, DevOps, and software engineers to align testing strategy Review code and provide constructive fee

About the role Chime Engineering is growing rapidly as we scale to meet the financial needs of our members. We're looking for driven engineers with strong leadership skills to help evolve our risk architecture, enabling deeper insights and stronger protections for our members. As a Senior Engineer, you'll provide technical leadership to the team, helping drive the modernization of one of our Chime Platforms within Trust & Safety. Your work will ensure a secure, seamless, and frictionless experience for our members. You’ll lead key projects end-to-end by setting technical direction, shaping system architecture, mentoring engineers, implementing APIs, collaborating with data engineers and analysts, and ensuring the reliability and performance of the platform—while also contributing to other team initiatives as needed. In this role, you can expect to Drive technical design and architectural decisions, while mentoring engineers and fostering cross-functional collaboration Lead and contribute to multiple projects simultaneously, balancing ownership of key initiatives with support across broader team efforts Build and maintain robust, low-latency APIs and backend services that power our Trust and Safety platforms Become the domain expert in our platform architecture, providing technical decisions and solutions to refine our maturing platforms Partner with data engineers, analysts, and product managers to ship impactful features that enhance member protection and experience Improve platform reliability and performance through thoughtful system architecture, observability practices, and automation Evolve our experimentation, policy lifecycle, and ML integration capabilities to support smarter and faster decision-making at scale Engineers are required to participate in on-call rotation. Being on call may include responding to incidents outside of regular working hours when necessary. To thrive in this role, you have 5+ years of experience developing software in a product

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Responsibilities (What he/she will do after join UI): Design and build the core synchronization and metadata handling logic for UniFi Drive on Windows, enabling reliable access to files across local and cloud environments. Build platform-integrated file experiences by working with Windows system behaviors and APIs, with a focus on correctness, performance, and native user expectations. Tackle non-trivial system problems that emerge in real-world usage, such as handling change, coordination, and edge cases across devices and environments. Collaborate closely with backend and infrastructure teams to align on data models, APIs, and end-to-end reliability. Work with product and design partners to translate user workflows into robust technical solutions, balancing system constraints with usability. Continuously improve performance, stability, and maintainability through measurement, profiling, and iterative refinement. Minimum Qualifications (MUST-haves) : 3+ years of professional software development experience, or equivalent experience, building and shipping production systems. Hands-on development experience on Windows, with familiarity with the Windows development ecosystem and real-world production workflows. Strong computer science fundamentals, with the ability to reason clearly about complex system behavior and e

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Responsibilities (What he/she will do after join UI): Design and build the core synchronization and metadata handling logic for UniFi Drive on macOS, enabling reliable and intuitive access to files across local and cloud environments. Build platform-integrated file experiences by working with macOS system behaviors and APIs, with a focus on correctness, performance, and meeting native user expectations. Tackle non-trivial system problems that arise in real-world usage, such as handling change, coordination, and edge cases across devices and environments. Collaborate closely with backend and infrastructure teams to align on data models, APIs, and end-to-end reliability. Work with product and design partners to translate user workflows into robust technical solutions, balancing system constraints with user experience. Continuously improve performance, stability, and maintainability through measurement, profiling, and iterative refinement. Minimum Qualifications (MUST-haves) : 3+ years of professional software development experience, or equivalent experience, building and shipping production systems. Hands-on development experience on Apple platforms (macOS and/or iOS), with familiarity with the Apple development ecosystem and real-world production workflows. Strong computer science fundamentals, with the ability to reason cl

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Join forces with us on our mission to build a better IT industry. We are currently looking for a highly skilled Backend Software Engineer (Node.js) to join our team in Stockholm, Sweden. Please note that applicants must live in Sweden and hold a valid work permit at the time of application to be considered for this role. Team: You will join the UniFi Talk team that builds Ubiquiti's VoIP/phone system inside the UniFi ecosystem. UniFi Talk gives users desk phones plus the UniFi Talk application running on compatible UniFi consoles. This role is well suited to an engineer who enjoys solving complex product and platform problems, improving reliability, and working across backend, embedded, cloud, and application boundaries. Responsibilities: Design, build, and maintain backend services in Node.js and TypeScript. Develop secure, scalable, and maintainable APIs and service workflows. Contribute to architecture and code design decisions across the team. Review code and help maintain strong engineering standards, release quality, and development workflows. Investigate production issues, debug complex failures, and ship robust fixes. Work closely with embedded, web, mobile, product, and design teams to deliver platform capabilities used across the UniFi ecosystem. Improve the reliability, observability, and developer experience of t

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. In this role, you will play a key role in ensuring the quality, reliability, and robustness of Ubiquiti networking products through design verification and system-level validation. As a member of the DQA team, you will collaborate with hardware, software, manufacturing, and cross-functional teams throughout the product development lifecycle to identify product risks, drive root cause analysis, and improve overall product quality. You will work across multiple networking product lines, including Ethernet switches, NAS, NVR, ProAV, and future networking platforms. We are looking for engineers with strong technical curiosity, hands-on debugging skills, and the ability to quickly learn new technologies in a fast-paced development environment. Your work will directly contribute to delivering reliable, high-quality products to customers worldwide. Responsibilities Participate in New Product Introduction (NPI) and drive design quality validation throughout the product development lifecycle. Develop and execute system-level validation plans for networking products, including Ethernet switches, NAS, NVR, ProAV, and future networking platforms. Perform functional, interoperability, compatibility, stability, reliability, and environmental validation. Validate networking and platform features, including

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Join forces with us on our mission to build a better IT industry. We are currently looking for a highly skilled Backend Software Engineer (Node.js) to join our team in Prague. Candidates should be prepared to work from our Prague office at least two times per week. Team: You will join the UniFi OS team, which develops and maintains the core operating system powering UniFi Cloud Gateways, NAS, and NVRs. The team provides the secure and stable platform that UniFi applications depend on across networking, camera surveillance, VoIP, and access control. This role is well suited to an engineer who enjoys solving complex product and platform problems, improving reliability, and working across backend, embedded, cloud, and application boundaries. Responsibilities: Design, build, and maintain backend services in Node.js and TypeScript. Develop secure, scalable, and maintainable APIs and service workflows. Contribute to architecture and code design decisions across the team. Review code and help maintain strong engineering standards, release quality, and development workflows. Investigate production issues, debug complex failures, and ship robust fixes. Work closely with embedded, web, mobile, product, and design teams to deliver platform capabilities used across the UniFi ecosystem. Improve the reliability, observability, and devel

About Ubiquiti At Ubiquiti Inc., we create technology platforms for Businesses, Smart Homes, and Internet Service Providers, driven by our goal to connect everyone, everywhere. To date, Ubiquiti has shipped over 100 million devices worldwide, from ISP networking products to next generation of IT solutions. Our growth is made possible by the dedicated team of hundreds behind the scenes. From software developers and product managers to designers and strategists, Team UI is driven to achieve our common goal: Rethinking IT. At Ubiquiti, you’ll heighten your potential and broaden your horizons - all while shaping the future of connectivity. Join forces with us on our mission to build a better IT industry. We are currently looking for a highly skilled Backend Software Engineer (Node.js) to join our team in Stockholm or Malmö, Sweden. Please note that applicants must live in Sweden and hold a valid work permit at the time of application to be considered for this role. Responsibilities: Design, build, and maintain backend services in Node.js and TypeScript across systems and applications on UniFi Develop secure, scalable, and maintainable APIs and service workflows Contribute to architecture and code design decisions across the team Review code and help maintain strong engineering standards, release quality, and development workflows Investigate production issues, debug complex failures, and ship robust fixes Work closely with embedded, web, mobile, product, and design teams to deliver platform capabilities used across the UniFi ecosystem Improve the reliability, observability, and developer experience of the services you work on Requirements: 5+ years of professional experience with Node.js and TypeScript 3+ years of experience working with SQL databases such as PostgreSQL Experience building software for connected devices, infrastructure products, networking systems, or similarly complex environments Good understanding of web security, including OWASP, browser securi