Service Reliability Engineer Jobs

About the Team The Spark Platform team owns and operates DoorDash's Apache Spark ecosystem — the execution runtime, remote shuffle service, cluster scheduler, and reliability tooling that powers the company's data, analytics, and ML workloads. We run Spark across the company at significant scale and continue to expand the workloads, capabilities, and consumer base we serve. Orchestrating and operating thousands of Spark cluster deployments is a complex distributed system problem which the team invests heavily in runtime optimization, systems architecture, multi-tenant scheduling, and end-user tooling. About the Role As a Software Engineer on Spark Platform, you will execute across the surfaces of our in-house Spark deployment that serves the entire company. The work spans Spark runtime upgrades and performance, multi-tenant scheduling and executor bin-packing on Kubernetes, cluster lifecycle automation, and the observability and incident automation that keep the platform sustainable. You will move between layers as the work demands — picking up the next high-leverage problem regardless of where it sits — and partner closely with the rest of the team and with platform consumers across the company. You must be located in San Francisco, Sunnyvale, Seattle, or New York City for this hybrid position. You will report into the Engineering Manager on our Spark Platform team. You're excited about this opportunity because you will… Build and operate an in-house Spark platform that runs at company-wide scale, spanning runtime, scheduler, reliability, and user-facing tooling. Drive multi-tenant scheduling, executor bin-packing, and cost-aware placement that let a small team serve dozens of consumer teams. Own pieces of cluster lifecycle automation — provisioning, upgrades, capacity changes, and node-failure handling — at a scale where these stop being manual events. Build the observability and incident automation that make the platform debuggable end-to-end and keep on-call sus

About the Role The Backend Platform team is the backbone of Perplexity’s product reliability, scalability, and performance, enabling every product and AI team to build with confidence. This high‑impact group builds and maintains critical infrastructure, including backend systems for authentication, authorization, real-time data flows, service orchestration, and sandboxing, to ensure fast, reliable, and secure user experiences. By setting rigorous standards for code quality, uptime and performance, the Platform team ensures everyone at Perplexity can innovate at speed on top of a robust, well-architected foundation. Key Responsibilities Lead the design and implementation of our sandboxing platform to safely execute untrusted and user‑generated code while meeting strict performance and reliability requirements. Define and extend our RBAC and authorization primitives, ensuring they scale with new product capabilities and enterprise controls. Own key backend services involved in authentication and encryption flows (including BYOK‑related pieces), partnering with Security and Infra on defense‑in‑depth. Set the technical bar for backend platform design and operations, driving best practices in reliability, observability, and incident response for always‑on systems. Partner with product and AI teams to define clear platform interfaces, SLAs, and integration patterns so new features can reliably build on shared backend capabilities. Provide technical leadership across the backend platform area, mentoring other engineers and making long‑term architectural decisions that keep the foundation simple, secure, and evolvable. Qualifications Experience designing and building backend systems that run in production (typically 4+ years for mid-level, more for senior and staff). Strong system design skills, with a track record of creating efficient, reliable, and scalable architectures. Hands-on experience with modern infrastructure (for example AWS, Kubernetes, and related cloud techn

The MongoDB Customer Observability Team is a diverse group of contributors working together to help our users manage MongoDB at global scale. The team is responsible for MongoDB Atlas: our database-as-a-service offering and fastest-growing product, which allows users to deploy globally distributed MongoDB clusters in just minutes. We're seeking a Senior Software Engineer to join our team to tackle exciting challenges within the Observability space. You'll contribute to developing tools and platforms that help our users understand the health and performance of their MongoDB deployments. This includes collecting metrics, monitoring slow queries, and offering actionable insights such as index and schema suggestions that improve the speed, efficiency, and overall reliability of their databases. This role provides a unique opportunity to drive engineering excellence across both dimensions of observability, leveraging technologies being developed within the Customer Observability group and contributing directly to the success of our customers and our product teams. If you're passionate about large-scale systems, digging deep into telemetry data, and building tools that make a real impact both internally and externally, we’d love to have you on board! We are looking to speak to candidates who are based in Dublin for our hybrid working model. We're looking for someone who Has at least 5 years of experience as a backend or full stack engineer Enjoys collaboration and being part of a team Is approachable, curious, and intellectually honest Is a backend engineer with a willingness to take on frontend tasks or a full-stack developer with a bias towards backend Has written backend systems in a compiled language (Java, C#, Go, etc.) Has experience with the design and architecture of a modern, scalable web application Enjoys chasing down difficult problems in a distributed environment and on an database diagnostic/operation level Always strives to expand their knowledg

About Appier Appier is an AI-native Agentic AI as a Service (AaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information. About the role Appier's Playable Ads team ( https://www.appier.com/en/blog/what-is-playable-ads ) builds AI-powered playable and video ad experiences that drive dramatically higher engagement and conversion for the world's leading apps and games. We're looking for a Senior Backend Developer with deep expertise in distributed systems and modern backend architecture to design and build the scalable, high-performance services behind these experiences — from creative generation pipelines to the infrastructure that brings our ML models to production. You'll work across microservices, messaging systems, data persistence layers, and system performance optimization, while partnering with ML scientists on MLOps workflows to continuously ship and serve new model versions to end users. You'll also collaborate closely with frontend engineers and product managers to deliver seamless, cross-functional outcomes. If you're passionate about building backend systems that operate at scale, thrive in cross-functional teams, and want your code to directly power AI-driven ad experiences reaching millions of users, we'd love to talk. What You'll Work On Architect and develop robust, scalable backend services and APIs using ASP.NET Core, owning sizable projects from system design through production operation. Design efficient database schemas and optimize data access logic across SQL and NoSQL data stores. Implement message-driven communication with high reliability and fault tolerance. Partner with ML scientists to build and maint

About Appier Appier is a software-as-a-service (SaaS) company that uses artificial intelligence (AI) to power business decision-making. Founded in 2012 with a vision of democratizing AI, Appier’s mission is turning AI into ROI by making software intelligent. Appier now has 17 offices across APAC, Europe and U.S., and is listed on the Tokyo Stock Exchange (Ticker number: 4180). Visit www.appier.com for more information. About the role We are seeking skilled and motivated Senior Software Engineer, Backend Development(BotBonnie) to join our dynamic team. As a Senior Backend Development (BotBonnie), you will play a crucial role in designing, developing, and maintaining the server-side applications that power our web. Responsibilities Develop efficient and scalable backend services using Node.js, Express.js, and other relevant technologies. Collaborate with cross-functional teams, including frontend developers, product managers, and designers, to design and implement robust APIs and web services. Ensure the performance, security, and reliability of server-side applications, identifying and resolving bottlenecks and bugs as necessary. Integrate with databases and data storage solutions, such as MongoDB, MySQL, Redis, RedShift or other NoSQL databases. Implement unit tests and conduct code reviews to maintain high code quality and foster a collaborative development environment. Participate in architectural discussions and contribute innovative ideas to improve system architecture and performance. Stay up-to-date with the latest trends and advancements in Node.js and backend technologies to propose suitable improvements to existing systems. Troubleshoot and debug production issues, providing timely resolutions and minimizing downtime. Optimize applications for maximum speed and scalability, considering factors like caching, load balancing, and distributed systems. Continuously improve development processes and best practices to ensure efficient and reliab

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Platform Engineer Overview: The Middleware team is responsible for ensuring the stability, availability, and performance of critical payment and enterprise platforms. This role provides operational support across middleware technologies and business-critical services, contributing to platform reliability, incident resolution, change implementation, and continuous service improvement Role: Provide primary support for Middleware Production Platform Administration (PPA) activities. Participate in an on-call support rota, including weekday and weekend coverage. Support and implement live production changes in accordance with established change management processes. Partner with the Operations and Platform Administration (OPA) team to deliver BAU operational activities. Monitor, troubleshoot, and resolve production incidents to ensure service availability and performance. Support critical payment and integration platforms, ensuring operational excellence and adherence to SLA commitments. Contribute to operational documentation, knowledge sharing, and process improvement initiatives. All About You: Experience supporting enterprise middleware and production platforms in a mission-critical environment. Knowledge of Oracle WebLogic Server administration and support. F

The Component and System Hardware Validation team at Zoox is responsible for ensuring our components and sub-systems on the Zoox robotaxi meet all functional and reliability targets needed to facilitate our autonomous mobility service. Our team has an action-biased culture marked by integrity, humility, competence, and passion for the Zoox mission and the systems we design. We are building real products here and are looking for doers to join us. As a validation engineer supporting seating, restraints and airbags, you will be responsible for establishing and executing a robust and rigorous validation process from requirements development through report approval. This will include managing internal and external testing resources as well as supplier-led validation activities which ensure durability, reliability, and safety targets are satisfied. You will work closely with cross-functional teams to understand root causes of failures, identify mitigation strategies, and incorporate learnings into new designs. In this role, you will: Develop and manage test plans to validate mechanical, electrical, and environmental failure modes around our interior trim, seating and restraints systems (Occupant Classification, airbags, seatbelts, ACU). Collaborate with design engineers to ensure that requirements are clearly defined and captured within the validation plan Identify appropriate test assets, data acquisition systems, and sensors to ensure high-quality test data Analyze test data to provide clear and concise reporting of test results Support DFMEA activities to ensure that all potential failure modes are adequate covered within the validation plan Support root cause failure analysis activities during development, validation, and deployment Design test fixtures necessary to complete testing Manage validation schedule to ensure appropriate test assets are available and c

At Zoox, we are developing a purpose built autonomous robotaxi, and the Sustaining Engineering team plays a critical role in ensuring the long term reliability, safety, serviceability, and availability of our fleet as it operates at scale. As a Sustaining Engineer supporting Body and Closure Systems, you will independently own sustaining engineering for key subsystems supporting both the in-service fleet and vehicles in current production. You will drive root cause investigations and corrective actions, making subsystem-level technical decisions and leading changes through design, validation, release, and fleet implementation. This role requires close collaboration with Vehicle Development, Manufacturing, Service, Quality, Reliability, and Suppliers in a fast paced and often ambiguous environment. You will prioritize work based on fleet and production impact, delivering solutions that improve safety, durability, fleet uptime, and manufacturing performance. In this role, you will: Own sustaining engineering and corrective action development for body and closure systems across the in service fleet and vehicles in current production, from root cause confirmation through fleet-wide implementation Drive end-to-end resolution of field and manufacturing issues across door systems, latches, actuators, sealing, access panels, glazing, and body structures Apply fleet and production data, including MTBF, repeat failure rates, and downtime drivers, to prioritize work, validate solutions, and drive continuous improvement Lead design updates and system improvements, ensuring robust performance, durability, efficiency, and serviceability in both fleet and production environments Author and manage Engineering Change Requests and Change Actions, and develop and execute validation plans at component, system, and vehicle levels Support and lead retrofit and rework campaigns, and partner with suppliers to resolve quality issues and im

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. As part of Packaging Design Team, you will need to think about how to make the perfect unboxing experience for users, keep the safety for transportation, out of the box, break impossibility, and be open to discussion in pursuit of perfection.We don’t just expect you to build products simply but to be proud of what we do. Are you ready to embrace challenges in a fast-paced organization? Join UI, refresh us with your crazy but creative ideas, and make a great impact on the world together! Responsibilities (What he/she will do after join UI): Primarily focus on improving MP packaging design. Modify the packaging structure to enhance the unboxing experience and reduce costs simultaneously. Review samples, DFM, and SOPs. Ensure the structure passes the reliability test. Internal: Work closely with Packaging Designers & Packaging Design PMs. External: Work closely with CMs & Suppliers. Minimum Qualifications (MUST-haves) : Logical thinking / Proactive personality. Effective communication and time management skills. 3+ years of experience in development of packaging structure design. Experienced using 2D: AutoCAD Experienced using 3D: Rhino or Solidworks or ProE Knowledge of material processing for pulp tray, cardboard, blister, gift box, carton and all types of printing processes. Knowledge of a wide variety of packaging

About the Role: The Infrastructure team at Tubi builds and operates the core platforms that power our services at scale. We provide reliable, scalable, and developer-friendly systems for compute, networking, observability, and deployment. As a Senior Software Engineer on the Infrastructure team, you will design, build, and operate the core platforms that all Tubi services run on: compute, networking, traffic, deployments, and observability. You will manage large-scale Kubernetes environments and use Infrastructure as Code (IaC) to keep cloud resources consistent and traceable. Your work can span the full platform stack, from the edge and service mesh to release tooling and reliability systems. In this role, you’ll collaborate with cross-functional teams to deliver scalable, high-performing cloud solutions, working closely with application developers and gaining exposure to a wide range of technologies, including live-streaming, customer customization, and large-scale video transcoding pipelines. This is a hybrid role (2 days/week) based out of our Toronto office. You must be willing to travel to our Toronto office two days/week. What You'll Do: Kubernetes Operations : Manage and scale multi-cluster Kubernetes deployments, ensuring high availability, performance, and reliability. Networking & Traffic: Design and operate the networking and traffic layer, from the edge to service-to-service communication. This includes safe rollout strategies (for example, canary releases, blue/green deployments, and gradual rollouts) with service mesh technologies such as Istio/Envoy. Release Engineering & Developer Platform: Build and maintain CI/CD pipelines and self-service deployment tooling. Automate deployments and rollbacks, and improve the release experience for all engineers at Tubi. Infrastructure as Code (IaC) : Use Terraform and other IaC tools to provision and manage cloud infrastructure, ensuring consistency and auditability. Observability &amp

About the role Chime’s Cards org is hiring an engineer to help scale and evolve Cards portfolio. In this role, you’ll dive into high-impact projects across our service architecture, collaborating with product, risk, and design partners to deliver resilient, secure systems. While your focus will be backend, we're looking for someone who’s excited to roll up their sleeves and contribute wherever it’s needed most to move the team forward 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 production environment at scale Prior experience serving as a technical lead for a team and on complex projects—driving architectural decisions, coordinating execution, and aligning cross-functional teams Proven experience with Ruby on Rails or comparable frameworks Experience with transactional databases and caching systems Deep understanding of architectural patterns for large-scale web applicat

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . We're hiring a Senior Software Engineer to join the Wallets, Liquidity & Bridging team within the Platform organization. This team builds and operates the wallet systems, liquidity orchestration, and bridging infrastructure that power how Coinbase moves crypto assets across 55+ blockchain protocols for millions of users. You'll design and build the distributed backend systems that construct, sign, broadcast, and reconcile on-chain transactions, helping drive the next generation of wallet infrastructure with a focus on reliability, correctness, and multi-chain scalability. What you'll do: Own the design and delivery of backend services (Go) that power wallet operations, liquidity movements, and cross-chain bridging across custodial and non-custodial flows. Build and improve the distributed systems that manage transaction lifecycle, signing, broadcasting, and on-chain reconciliation across multiple blockchain protocols including Ethereum, Bitcoin, and Solana. Drive reliability and observability improvements for wallet services, contributing to incident response, post-mortems, and systemic fixes that strengthen Tier-0 system availability. Partner with Trading, Custody, Staking, and cross-platform teams to integrate wallet services with downstream products, defining clear contracts and resolving cross-team dependencies. Execute service decomposition and architecture

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 Lead hardware circuit design, schematic capture, and layout review for next-generation, high-density, and high-throughput networking platforms. Evaluate and integrate advanced switching architectures, management subsystems, and cutting-edge high-speed interconnect technologies. Drive hardware architecture design, system bring-up, high-speed signal integrity (SI) validation, and root-cause failure analysis. Partner with mechanical, thermal, and power engineering teams to address challenges related to high power density, thermal dissipation, and system-level reliability. Own BOM structure and support factory deployment to ensure seamless transition of high-layer-count PCBAs from NPI to mass production. Collaborate with cross-functional software, firmware, QA, and compliance teams throughout the entire product lifecycle. Q ualifications Bachelor’s degree or above in Electrical Engineering or a related discipline. 5+ years of hands-on experience in high-complexity system-level hardware design, ideally focused on enterprise-grade networking or high-performance infrastructure equipment. Deep technical understanding of high-speed Ethernet design, high-speed differential signals (advanced SerDes, PCIe, multi-gigabit/ultra-high-speed interfaces), and high-density PCB design rules. Practical experience with complex power d

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 We're looking for technically curious, customer-focused System Verification Engineers to join our System Quality Assurance team. You'll validate and evaluate how UniFi products work together and how customers experience them - from first-time setup to everyday use across devices, web and mobile applications, and cloud services - and your read on that experience helps decide what's ready to ship. We're looking for someone with good judgment, an eye for detail, and a real understanding of what makes a product intuitive and well designed. You should be able to spot a confusing experience, explain why it's confusing, and work effectively with engineering and design teams around the world to fix it. Along the way, you'll gain hands-on experience with real hardware, run performance experiments, analyze data, and help bring products to market with best-in-class reliability. Curiosity, clear communication, and a willingness to learn are essential here; automation is a plus. Responsibilities Test complete customer workflows across the UniFi ecosystem, including Network, Protect, Access, Connect, UniFi OS, and Site Manager. Check that every product works together and feels consistent to the people using it. Evaluate setup, device adoption, navigation, everyday management, and recovery flows through the eyes of both administr

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 We're looking for technically curious, customer-focused System Verification Engineers to join our System Quality Assurance team. You'll validate and evaluate how UniFi products work together and how customers experience them - from first-time setup to everyday use across devices, web and mobile applications, and cloud services - and your read on that experience helps decide what's ready to ship. We're looking for someone with good judgment, an eye for detail, and a real understanding of what makes a product intuitive and well designed. You should be able to spot a confusing experience, explain why it's confusing, and work effectively with engineering and design teams around the world to fix it. Along the way, you'll gain hands-on experience with real hardware, run performance experiments, analyze data, and help bring products to market with best-in-class reliability. Curiosity, clear communication, and a willingness to learn are essential here; automation is a plus. Responsibilities Test complete customer workflows across the UniFi ecosystem, including Network, Protect, Access, Connect, UniFi OS, and Site Manager. Check that every product works together and feels consistent to the people using it. Evaluate setup, device adoption, navigation, everyday management, and recovery flows through the eyes of both administr