Manual QA Engineer

🏢 Summary: Role focused on owning and expanding automated test suites for Android and iOS SDKs within a high-scale mobile advertising platform. The position involves building mobile UI automation, integrating tests into CI/CD pipelines, and ensuring reliable test execution across real devices and environments. You will work closely with the Mobile SDK team to improve test coverage, stability, and deployment confidence. 🗂️ Requirements: 4+ years in automation engineering or 2+ years as SDET or developer, Strong JavaScript for test automation, Proficiency in Bash and Shell scripting, Experience with GitHub Actions for CI/CD, Experience with BrowserStack or similar real-device cloud platform, Proficiency with Maestro for mobile UI automation, Experience with Allure Reports, Experience with JIRA, Experience building automated test suites for Android and iOS 📃 Skills: JavaScript, Bash, Shell, GitHub, Actions, BrowserStack, Maestro, Allure, JIRA, Android, iOS, Firebase, Rust, TypeScript 🏢 Description: About LoopMe LoopMe is an AI company solving one of advertising's hardest problems: making brand advertising actually measurable — and making it perform. Our platform runs patented machine learning models across billions of consumer signals in real time, optimising campaigns toward outcomes like purchase intent, brand lift, and foot traffic rather than proxy metrics like clicks. The result is 2–5x better performance than industry benchmarks, at scale. We operate a high-load programmatic infrastructure — processing millions of ad requests per second with sub-200ms response times globally. This isn't a layer on top of someone else's stack; it's built from the ground up, in-house, by the team you'd be joining. Founded in 2012 and headquartered in London, we now have 400+ people across 19 cities and have sustained 40% revenue CAGR since 2018. The engineering problems here are real, the ownership is genuine, and the scale is significant. The opportunity You'll own test automation for LoopMe's Android and iOS SDKs, building and maintaining the suites that determine how fast and confidently we ship. Working alongside our existing automation engineer, you'll integrate deeply with the CI/CD pipeline using GitHub Actions, BrowserStack, and Maestro, and extend coverage as new SDK projects come into scope. This role sits within the Mobile SDK engineering team. What you'll do Build and maintain automated test suites for Android and iOS SDKs using JavaScript, Rust, and Bash/Shell scripting Develop mobile UI automation using Maestro across Android and iOS SDK projects Integrate automated tests into GitHub Actions CI/CD workflows for nightly smoke, regression, and Adapter Certification runs Own test execution and monitoring via BrowserStack App Automate, debugging environment-specific failures across devices and infrastructure Manage and publish test results through Allure Reports, surfacing findings to developers via JIRA and Slack Drive down nightly test run time by parallelising suites across multiple GitHub Actions runners Manage test builds via Firebase App Distribution for Android and iOS Leverage AI tools, including Claude, to accelerate test development and improve coverage and resilience What you'll bring Essential: 4+ years in automation engineering, or 2+ years as an SDET or developer Strong JavaScript skills applied to test automation Proficiency in Bash and Shell scripting, and GitHub Actions for CI/CD integration Experience with BrowserStack or a comparable real-device cloud platform Proficiency with Maestro for mobile UI automation, Allure Reports, and JIRA Nice to have: TypeScript familiarity TestRail or an equivalent test management system Charles Proxy for network traffic analysis Experience with AI-assisted test generation or self-healing frameworks Rust programming experience Adtech or programmatic advertising domain knowledge What we offer Hybrid working — flexible schedule 1 month of work-from-anywhere Annual performance bonus Multikafeteria (sport/culture card) LoopMe Gives Back Learning & development support

🏢 Summary: Backend Software Engineer role focused on building and scaling a high-traffic mobile advertising exchange that processes hundreds of thousands of real-time auction requests per second. The position involves full lifecycle development of distributed, low-latency microservices written in functional Scala and deployed to production. Engineers design, implement, test, and optimize backend systems for high availability and performance. 🗂️ Requirements: BS in Computer Science or related field, 6+ years of software engineering experience, 2+ years of Scala programming experience, Experience with Java or Python, Hands-on experience with microservices architecture, Experience building high-traffic, high-availability systems, Experience with Agile development, Ability to design, implement and test backend systems, Experience troubleshooting application and infrastructure issues, Experience writing unit tests 📃 Skills: Scala, Java, Python, Microservices, MongoDB, Bigtable, Aerospike, Kafka, PubSub, AWS, GCP, Git, Bitbucket, ProtocolBuffers, NoSQL 🏢 Description: LoopMe is the leading in-app monetization and programmatic advertising platform. We reach a mobile audience of over 900 million monthly unique users globally and process over 200 billion ad requests. The Chartboost SDK is the highest-integrated independent mobile ad SDK and through the Chartboost Exchange, Ad Network and other services, we empower mobile app developers to build businesses while connecting advertisers to highly engaged audiences. What we need: We are looking for a backend software engineer to join our exchange team and help us build the best advertising platform for mobile developers. You'll work on a system that processes hundreds of thousands of requests per second and conducts a real-time auction to find and deliver the most effective ads from our global partners. We trust our engineers to own this critical system and handle the full life cycle of feature development, from initial design all the way to shipping into production. Our system is written in functional Scala and has plenty of opportunities to flex your distributed, low-latency programming muscle, using technologies like mongoDB, protocol buffers and others. What you’ll be doing: Responsible for designing, implementing and testing the functionality of our Exchange product Work effectively with other engineers, system architects, and Operations teams to implement enhancements and issue resolutions Participate in technical discussions; come up with innovative ways to improve the product and process Troubleshoot issues with application, technologies, and infrastructure Continuously improve your technical knowledge Think creatively and work independently - collaborating with others as needed to maximize efficiency and throughput Deliver quality work on time while driving developer productivity across the organization You’re the type of engineer that appreciates clean code and has experience in writing unit tests to keep the utmost in code quality Qualifications: BS in Computer Science or related field 2+ years of Scala programming experience, along with experience in other programming languages such as java, or python. 6+ years of software engineering experience You have an understanding of microservices and hands-on experience implementing them You are experienced with software development in high-capacity, high-traffic, high-availability websites/systems You have experience working with Agile development The following experience would be a plus: Advertising technology experience Experience with Python or Java NoSQL databases (MongoDB, Bigtable, Aerospike etc) Distributed messaging services, like Kafka, PubSub Strong skills in Data Engineering Experience Managing Cloud infrastructure (AWS or GCP) Familiarity with Git and/or Bitbucket Benefits: International work environment Flexible working schedule with a hybrid working model (3 days from the office) Annual performance bonus (up to 8%) One month of workation (work from any location worldwide for one month) Multikafeteria

🏢 Summary: Backend Software Engineer role focused on building and optimizing a high-traffic mobile advertising exchange platform processing hundreds of thousands of requests per second. The position involves designing, implementing, and testing core exchange functionality, including migrating systems from Scala to Java. Engineers own the full development lifecycle in a distributed, low-latency environment. 🗂️ Requirements: BS in Computer Science or related field, 6+ years of software engineering experience, 1+ years of Scala programming experience, 2+ years of Java programming experience, Experience with microservices architecture, Experience with high-traffic, high-availability systems, Experience working in Agile environment, Experience writing unit tests 📃 Skills: Scala, Java, MongoDB, Bigtable, Aerospike, Kafka, PubSub, Python, AWS, GCP, Git, Bitbucket, Microservices, ProtocolBuffers 🏢 Description: LoopMe is the leading in-app monetization and programmatic advertising platform. We reach a mobile audience of over 900 million monthly unique users globally and process over 200 billion ad requests. The Chartboost SDK is the highest-integrated independent mobile ad SDK, and through the Chartboost Exchange, Ad Network and other services, we empower mobile app developers to build businesses while connecting advertisers to highly engaged audiences. What we need We are looking for a backend software engineer to join our exchange team and help us build the best advertising platform for mobile developers. You'll work on a system that processes hundreds of thousands of requests per second and conducts a real-time auction to find and deliver the most effective ads from our global partners. We trust our engineers to own this critical system and handle the full life cycle of feature development, from initial design all the way to shipping into production. Our primary system is written in functional Scala and has plenty of opportunities to flex your distributed, low-latency programming muscle, using technologies like MongoDB, protocol buffers and others. We’re planning on moving away from Scala to Java over the next few years, so be prepared to help us with that transition. What you’ll be doing Responsible for design, implementation and testing the functionality of our Exchange product Help translate our advertising exchange from Scala to Java Work effectively with other engineers, system architects, and Operations teams to implement enhancements and issue resolutions Participate in technical discussions; come up with innovative ways to improve the product and process Troubleshoot issues with the application, technologies, and infrastructure Continuously improve your technical knowledge Think creatively and work independently - collaborating with others as needed to maximize efficiency and throughput Deliver quality work on time while driving developer productivity across the organization You’re the type of engineer who appreciates clean code and has experience in writing unit tests to keep the utmost in code quality Who you are BS in Computer Science or related field 1+ years of Scala programming experience 2+ years of Java programming experience 6+ years of software engineering experience You have an understanding of microservices and hands-on experience implementing them You are experienced with software development in high-capacity, high-traffic, high-availability websites/systems You have experience working with Agile development The following experience would be a plus: Advertising technology experience Experience with Python or Java NoSQL databases (MongoDB, Bigtable, Aerospike, etc.) Distributed messaging services, like Kafka, PubSub Strong skills in Data Engineering Experience Managing Cloud infrastructure (AWS or GCP) Familiarity with Git and/or Bitbucket Benefits: International work environment Flexible working schedule with a hybrid working model (3 days from the office) Annual performance bonus (up to 8%) One month of workation (work from any location worldwide for one month) Multikafeteria

🏢 Summary: Senior Java Backend Engineer role focused on building and optimizing a high-load ad-serving system processing over 5 million requests per second with strict latency goals. The position involves designing critical-path components, implementing architectural improvements, and enhancing performance in a real-time bidding platform. The role emphasizes scalability, low-latency optimization, and distributed systems engineering in a microservices environment. 🗂️ Requirements: 5+ years backend engineering experience, Strong Java proficiency, Experience with Spring or Spring Boot, Hands-on SQL experience, Experience with PostgreSQL or other relational databases, Knowledge of microservices architecture, Proficiency with Linux shell, Experience with Docker 📃 Skills: Java, Spring, SpringBoot, SQL, PostgreSQL, Linux, Docker, gRPC, ProtocolBuffers, Reactor, WebFlux, Kafka, Kubernetes, JFR, async-profiler, JVM, Testcontainers, ClickHouse, Aerospike, Redis, Micrometer, Prometheus, Grafana 🏢 Description: Are you eager to work with advanced technologies and build high-performance applications capable of processing over 5 million requests per second? If yes, we have an ideal opportunity for you at LoopMe. We are a team of experienced engineers developing and supporting real-time bidding platforms for global advertisers. You will work daily with talented engineers, using technologies such as Java, Spring Boot, gRPC, Project Reactor, Kafka, ClickHouse, PostgreSQL, Aerospike, and Redis. Your main focus will be on enhancing performance, optimizing cloud infrastructure, and developing innovative features across our product range. Join us in our mission to expand the limits of possibilities in the advertising industry! We are seeking a Senior Java Backend Engineer to join our Marketplace team and help develop our high-load ad-serving system, which can process more than 5 million requests per second with a 200ms response time. What you’ll be doing Designing and tuning hot-path components for the ad-serving critical path—such as throttling, rate limiting, targeting indexes, and DSP adapters. Implementing architectural changes across services — including RTB request lifecycle, deals targeting, and multi-impression-key processing. Creating gRPC APIs and Protocol Buffers schemas to facilitate cross-team integrations. Profiling and minimizing CPU usage and allocations to achieve strict p99 latency goals. Strengthening the system architecture to guarantee smooth operation during peak load times. Integrating advanced targeting algorithms into the main ad delivery process. Collaborating closely with multiple teams to provide services and data for our solutions. Core qualifications Over five years of experience in backend engineering. Solid understanding of Java and Spring / Spring Boot. Hands-on experience with SQL and familiarity with PostgreSQL or other relational databases. Strong knowledge of microservices architecture and its best practices. Proficient in Linux shell and Docker. Additional experience we’d value Concurrency in Java includes java.util.concurrent, CompletableFuture, lock-free data structures, virtual threads / Project Loom, and Reactor schedulers. gRPC and Protocol Buffers Project Reactor / Spring WebFlux Kafka Kubernetes Experience in managing high-QPS services, including profiling with JFR and async-profiler, GC tuning, and JVM internals understanding. Robust testing culture with unit tests, functional tests, and Testcontainers. Extra pluses AdTech / RTB domain expertise — OpenRTB, DSP/SSP, IVT, deals, cookie-sync, ads.txt, schain Performance engineering on critical paths — utilizing fastutil / Eclipse Collections, creating allocation-aware code, and optimizing for JIT awareness. Distributed systems experience includes rate-limiting algorithms such as token bucket, fixed and slidingwindow, as well as back-pressure, circuit breakers, sharding, and consistent hashing. Observability tools include Micrometer, Prometheus, Grafana, and structured logging. Full responsibility for managing multi-week epics across multiple teams. Experience with analytical or in-memory databases such as ClickHouse, Aerospike, Redis. Benefits Flexible working schedule with a hybrid type of work Annual performance bonus One month of workation (you can work from any part of the world for one month) Multikafeteria

🏢 Summary: The offer is for a Java Backend Engineer to build and scale a high-load Data Management Platform processing billions of events daily in a real-time ad tech environment. The role focuses on developing and optimizing distributed data pipelines, microservices, and database schemas for performance and scalability. It involves working on complex backend systems supporting large-scale advertising auctions and audience targeting. 🗂️ Requirements: 2+ years of engineering experience, Proficiency in Java, Strong understanding of concurrency, Strong understanding of distributed systems, Experience with Spring Framework or similar IoC framework, Experience with JPA or other ORM framework, Strong knowledge of SQL, Experience with PostgreSQL or other modern RDBMS, Ability to work with large multi-module codebase 📃 Skills: Java, Spring, JPA, SQL, PostgreSQL, Spark, HBase, Kafka, Kubernetes, ORM, NoSQL 🏢 Description: We’re looking for a Java Backend Engineer to join LoopMe — a global AI-powered ad tech company redefining how brands connect with consumers across the open internet. In this role, you’ll help build and scale our Data Management Platform (DMP) — a massively distributed, high-throughput system processing billions of events daily , creating rich device and audience profiles, and exporting data segments to 50+ global partners and exchanges in real time. You’ll work on complex backend challenges around performance, scalability, data pipelines, and real-time processing , helping power the infrastructure behind large-scale advertising auctions and audience targeting. This is an opportunity to work on truly high-load systems , collaborate with experienced engineers, and have direct impact on a product used by some of the biggest players in the ad tech ecosystem. What you'll be doing: Developing features and optimizing performance for large-scale data pipelines (Spark jobs, HBase, Kafka) Designing and optimizing data schemas for relational and NoSQL databases Building microservice applications Core qualifications: 2+ years of engineering experience Proficiency in Java with a strong understanding of concurrency and distributed systems Experience with Spring Framework or similar IoC frameworks Experience with JPA or other ORM frameworks Strong knowledge of SQL and experience with modern RDBMS (PostgreSQL) Self-motivated, reliable, and comfortable working across a large multi-module codebase Additional experience we’d value: Experience with Apache Spark or other large-scale data processing frameworks Experience with HBase or other NoSQL/columnar stores Experience with Kubernetes Experience with Kafka Experience with AI/LLM integrations in backend services Benefits Flexible working schedule with a hybrid type of work Annual performance bonus One month of workation (you can work from any part of the world for one month) Multikafeteria

🏢 Summary: Full-stack engineering role focused on building and shipping production AI-powered features that automate logistics billing and payments. The position involves working across frontend, backend, and infrastructure to deliver scalable, high-quality solutions in a fast-paced early-stage environment. Engineers collaborate cross-functionally and leverage modern AI tools to accelerate development and impact core product decisions. 🗂️ Requirements: Minimum 2 years of software engineering experience, Experience with TypeScript, Experience with React, Experience with Node.js, Experience with GraphQL, Experience shipping products end-to-end in early-stage environments, Ability to work across frontend, backend, and infrastructure layers, Willingness to work onsite in SF or Chicago three days per week 📃 Skills: TypeScript, React, Node.js, GraphQL, Relay, Prisma, NestJS, PostgreSQL, Kafka, Redis, Elasticsearch, AWS, CDK, Fargate, ECS, Vite, AntDesign 🏢 Description: About Loop Loop is the data platform for the global supply chain. Logistics runs on messy, unstructured data—trapped in PDFs, emails, and legacy systems. We use AI to structure this chaos, creating a "source of truth" that automates payments and audits for the Fortune 100. We are building the financial nervous system for a $100 trillion physical economy. Our technology ensures freight moves efficiently and carriers get paid instantly. Backed by Founders Fund, Index Ventures and 8VC, we are scaling rapidly. We are looking for engineers ready to deploy production AI that powers the physical economy. About YouAs a full-stack engineer, you will work closely with founders and customers to understand and solve their logistics billing and payment pain points. You will help define the product and ship features that directly impact our customers. You will face and solve many complex technical challenges while you receive guidance and feedback from the team. You will shape the Loop DNA and define how we grow as a company. Responsibilities Work cross-functionally with product, design, and sales to understand requirements and ship thoughtful solutions. Write high-quality code optimized for extensibility. Engage in code reviews to maintain a high bar of engineering excellence. Lead discussions and documentation to communicate and arrive at the best technical design. Work across different component boundaries, from frontend to backend, and even infrastructure layers. Adopt AI technologies such as Cursor/Codex/Claude to accelerate software development and champion adoption of AI tools across the organization for increased productivity. Promote better practices and share technical knowledge across the team. Help grow Loop through deliberate feedback on product, process, and culture. Qualifications Willing to work in the SF or Chicago office three days a week Two years of software engineering experience. Experience with TypeScript and tools such as GraphQL, Relay, React, and Node.js. Experience working at early-stage companies where you shipped products end-to-end and wore many hats. Under the Hood Infrastructure: AWS, CDK, Fargate ECS Backend: TypeScript, Node.js, Prisma, NestJS, PostgreSQL, Kafka, Redis, Elasticsearch, GraphQL Frontend: TypeScript, React, Relay, Ant Design, Vite, GraphQL Compensation Base pay 150k+ per year Benefits & Perks Premium Medical, Dental, and Vision Insurance plans Insurance premiums covered 100% for you Unlimited PTO Fireside chats with industry leading keynote speakers Generous professional development budget to feed your curiosity Physical and Mental fitness subsidies for yoga, meditation, gym, or ski memberships Why you should join Loop? #LI-LOOP

🏢 Summary: Senior QA Engineer role focused on manual and automation testing of web applications, including validation of AI-generated test cases and LLM outputs. The position involves API testing, cross-browser UI testing, CI/CD collaboration, and contributing to an existing automation framework within Agile teams. It is suited for an experienced tester strengthening automation skills while working with AI-driven tools and modern QA practices. 🗂️ Requirements: 4+ years of software testing experience, Strong manual and automation testing knowledge, Understanding of SDLC and STLC models, Knowledge of testing and QA processes, Experience with test design techniques, Defect analysis and reporting skills, Experience with Postman for API testing, Experience with browser developer tools, Experience with UI testing, Experience with TestRail for test management, Basic understanding of CI/CD processes, Intermediate level of English 📃 Skills: TestRail, Postman, JIRA, Jenkins, CI/CD, SDLC, STLC, API, UI, LLM, Claude, GitHub, Copilot, OpenAI, Azure, LangChain 🏢 Description: ID66279 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior QA Engineer to perform manual and automation testing of web applications, validate AI-generated test cases and LLM outputs, and contribute automation scripts to a stable existing framework under the guidance of a dedicated Automation Lead. You will design and execute test plans in TestRail, conduct API testing with Postman, document defects in Jira, and collaborate across Agile sprint cycles. The role suits an engineer with a strong manual background who is actively growing their automation skills using tools including Claude and GitHub Copilot. What you will do Perform manual and automation testing of web applications to identify bugs, glitches, and inconsistencies; Take ownership of automation tasks within the team and proactively develop your automation skills; Develop, maintain, and execute detailed manual test cases based on product requirements and specifications; Perform thorough cross-browser UI testing to ensure consistent behavior across Chrome, Firefox, Safari, Edge, etc.; Validate AI-generated test cases, summaries, and recommendations produced by integrated LLMs to ensure accuracy, completeness, and alignment with project requirements; Design and execute test scenarios to verify AI behavior, including prompt–response consistency, contextual relevance, and deterministic vs. non-deterministic outputs; Evaluate AI model quality using defined acceptance metrics (precision, recall, hallucination rate, duplication rate); Conduct manual API testing to validate request/response accuracy, error handling, and integration; Use TestRail to create, manage, and track test plans, test cases, and test execution results; Use Jenkins CI/CD pipelines; Report and document defects clearly using the bug tracking system (JIRA); Participate in daily stand-ups, sprint planning, and other Agile team meetings; Review user stories and acceptance criteria to understand the scope of testing; Estimate own tasks, report on risks to the team lead; Collaborate with developers and other QA team members to reproduce issues and verify fixes; Maintain and update test documentation as needed. Must haves 4+ years of experience in software testing; Strong manual & automation knowledge; Basic understanding of SDLC and STLC (Software Development and Testing Life Cycle) models; Knowledge of Testing and Quality Assurance processes; Strong experience with Test Design activities to cover a set of product requirements; Knowledge of Test Design techniques; Knowledge of testing methodologies; Defect analysis skills and the ability to write detailed and useful defect reports with expected defect-fixing outcomes; Experience with Postman (API testing) and Browser developer tools; Experience with UI testing; Experience with TestRail as a Test Management system (as a user, test execution is required); Basic understanding of CI/CD process; English – an Intermediate, higher knowledge level is an advantage. Nice to haves Understanding of LLM evaluation principles, including prompt engineering, output validation, and model fine-tuning cycles; Familiarity with AI/ML concepts, APIs, and frameworks (e.g., OpenAI API, Azure OpenAI, LangChain); Knowledge of data protection and compliance standards for AI systems (GDPR, zero-data retention, PII anonymization); Experience in SSO testing is a plus; Experience in Performance or Load testing is a plus. The benefits of joining us Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

🏢 Summary: Senior QA Engineer role focused on manual testing of web applications and validation of AI-generated outputs within LLM-integrated features. The position involves designing and executing UI, API, and AI behavior test scenarios, evaluating model quality metrics, and ensuring prompt–response accuracy in an Agile environment. The engineer works with test management and CI/CD tools to maintain high product quality across web and AI components. 🗂️ Requirements: 4+ years of manual testing experience, Strong knowledge of SDLC and STLC, Experience with test design techniques, Experience in UI testing, Experience in API testing using Postman, Experience with TestRail, Ability to perform defect analysis and reporting, Basic understanding of CI/CD processes, Ability to evaluate AI outputs using quality metrics, Intermediate English level 📃 Skills: ManualTesting, UITesting, APITesting, Postman, TestRail, JIRA, Jenkins, CI/CD, LLM, OpenAI, Azure, LangChain, Agile, SDLC, STLC 🏢 Description: AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior QA Engineer to perform manual testing of web applications and validate AI-generated outputs as part of a product team building LLM-integrated features. You will design and execute test cases across UI, API, and AI behavior scenarios using TestRail, Postman, and JIRA, working within an Agile environment. The role requires a detail-oriented engineer who can evaluate model quality metrics and ensure accuracy, completeness, and alignment across prompt–response workflows. What you will do Perform manual testing of web applications to identify bugs, glitches, and inconsistencies; Develop, maintain, and execute detailed manual test cases based on product requirements and specifications; Perform thorough cross-browser UI testing to ensure consistent behavior across multiple browsers; Validate AI-generated test cases, summaries, and recommendations produced by integrated LLMs; Design and execute test scenarios to verify AI behavior, including prompt-response consistency and contextual relevance; Evaluate AI model quality using defined acceptance metrics such as precision, recall, hallucination rate, and duplication rate; Conduct manual API testing to validate request and response accuracy, error handling, and integration; Use TestRail to create, manage, and track test plans, test cases, and test execution results; Use Jenkins CI/CD pipelines; Report and document defects clearly using JIRA ; Participate in daily stand-ups, sprint planning, and other Agile team meetings; Review user stories and acceptance criteria to understand the scope of testing; Estimate own tasks and report risks to the team lead; Collaborate with developers and other QA team members to reproduce issues and verify fixes; Maintain and update test documentation as needed. Must haves 4+ years of experience with manual testing; Basic understanding of methodologies and SDLC and STLC models; Knowledge of testing and quality assurance processes; Strong experience with test design activities to cover a set of product requirements; Knowledge of test design techniques and testing methodologies; Defect analysis skills and the ability to write detailed and useful defect reports; Experience with Postman for API testing and browser developer tools; Experience with UI testing; Experience with TestRail as a test management system; Basic understanding of CI/CD processes; Intermediate English level. Nice to haves Understanding of LLM evaluation principles, including prompt engineering, output validation, and model fine-tuning cycles; Familiarity with AI and ML concepts, APIs, and frameworks such as OpenAI API , Azure OpenAI , or LangChain ; Knowledge of data protection and compliance standards for AI systems, including GDPR, zero-data retention, and PII anonymization; Experience with SSO testing; Experience in performance or load testing. The benefits of joining us Professional growth Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

🏢 Summary: Engineering Manager role leading a Support & Stability team focused on proactive system reliability, AI-driven support automation, and maintenance of high-risk application domains. The position combines people management with hands-on technical leadership, emphasizing root-cause resolution, operational metrics, and AI adoption across engineering workflows. Remote and hybrid options are available across multiple U.S. locations. 🗂️ Requirements: 3+ years engineering management experience, Experience with platform reliability or system health ownership, Experience running proactive stability or support programs, Ability to identify and resolve systemic issues, Experience using AI agents in engineering workflows, Strong technical depth for reviewing complex systems, Ability to manage team performance and accountability, Experience negotiating scope and ownership boundaries 📃 Skills: PHP, Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Jira, Claude, Cursor, Datadog, Snowflake, AI, Automation 🏢 Description: About the Engineering Organization The Engineering Team at Loop is a balance of agility, consistency, and performance. These are the pillars that allow the team to constantly and consistently deliver value that matters to customers. About the Role Loop is looking for an Engineering Manager to lead the newly formed Support & Stability team. This team is responsible for stewarding the most critical, highest-risk domains in the application and acting as the first line of defense for engineering support. The role focuses on proactive problem solving, AI-driven automation, and long-term system stability. Our Blended Work Environment We work from our HQ in Columbus, OH, and are distributed throughout the United States, select Canadian provinces, United Kingdom, and Australia. For this position, we're open to Columbus, OH; Boston, MA; Chicago, IL; Austin, TX; Los Angeles, CA; or fully remote. Our Tech Stack and Tools PHP/Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Jira, Claude, Cursor, Datadog, Snowflake. The hiring process is tech-stack agnostic. What You’ll Do - Own stewardship of the application's highest-risk, highest-impact domain areas and keep them clean, tested, and maintainable. - Build measurement systems to identify risks through deployment frequency, support ticket volume, recurring failures, and other indicators. - Prioritize permanent root-cause fixes instead of repetitive ticket resolution. - Lead first-line triage of engineering support tickets and coordinate issue routing with proper context. - Drive AI agent adoption for maintenance and support triage workflows. - Review AI-generated work with the same rigor as human-written code. - Lead AI adoption within the team through coaching, expectations, and accountability. - Build prompts, skills, and automation to prevent recurring issues. - Negotiate ownership boundaries with other engineering teams. - Represent system health and support trends to product and engineering leadership. - Manage team performance through feedback, 1:1s, and growth support. - Stay technically involved to support and unblock the team when necessary. Your Experience - 3+ years of engineering management leadership experience. - Experience owning platform reliability, system health, or critical-domain code. - Experience building proactive stability or support programs. - Ability to distinguish one-off issues from systemic problems. - Experience integrating AI agents into engineering workflows. - Ability to negotiate ownership boundaries effectively. - Strong technical depth to review complex systems and contribute hands-on when needed. - Experience managing underperformance and supporting high-performing teams. - Strong accountability, communication, and resilience in fast-paced environments. - Experience with PHP/Laravel environments is a plus. Loop Story Loop builds a connected commerce operations suite focused on returns, exchanges, order tracking, fraud prevention, and merchant operations. The platform helps merchants improve customer experience and operational efficiency through data-driven tools and automation. Over 5,000 brands use Loop to support commerce operations and customer retention.

🏢 Summary: Remote Mobile QA Engineer role focused on manual testing of iOS and Android applications with AI-augmented workflows. The position involves exploratory testing, designing test plans, analyzing network traffic, and validating complex mobile edge cases. The role requires close collaboration with developers and practical use of AI tools to improve QA efficiency and quality. 🗂️ Requirements: 4+ years manual mobile QA experience, Experience testing iOS and Android in parallel, Exploratory testing experience, Experience with Charles or Proxyman or mitmproxy, Ability to design test plans, Practical use of AI in QA workflows, Experience testing mobile edge cases (permissions, background/foreground, push notifications, deep links, network changes, low storage, battery, memory, offline/online) 📃 Skills: iOS, Android, QA, Mobile, Exploratory, Charles, Proxyman, mitmproxy, AI, Networking 🏢 Description: Hello, We are called People More because we treat our employees with respect, but also because the projects we work on are for people and should be easy and pleasant to use. We are technological, but we look at the bigger picture :) The company is made up of people with a huge client base in the country and abroad, for whom we build projects from scratch (UX, UI, frontend, backend, mobile) or in part. We work directly for our clients and also support our partners in their own solutions. This ensures a wide range of projects and the ability to change! We work with clients all over the world. For the project that we are working on with our partner, we are looking for  Mobile QA Engineer — Manual + AI-augmented. Your duties will include: Manual testing of mobile applications across iOS and Android platforms Designing and executing exploratory testing scenarios Preparing test plans and identifying high-risk areas Testing complex mobile edge cases and real-world user scenarios Analyzing network traffic and debugging application behavior Collaborating closely with developers and product teams Using AI tools to improve QA workflows, testing efficiency, and analysis quality Requirements that must be met: 4+ years of manual mobile QA experience Experience testing both iOS and Android platforms in parallel — not only one platform Exploratory testing experience — not only execution checklist-based testing Experience with network interception tools: Charles / Proxyman / mitmproxy Ability to design test plans Practical use of AI in QA work — agentic coding is not required for this role as it is for developers, but practical AI usage in QA workflows is required Experience testing mobile edge cases: permissions, background/foreground, push notifications, deep links, Android back button, iOS keyboard, network changes, low storage, battery, memory, offline/online Very good English and Polish Nice to have: Maestro, Detox, Appium, or other lightweight automation tools Testing AI/LLM features: chat, voice, non-deterministic outputs Xcode Instruments, Android Profiler, Firebase Performance What we offer: We are open and honest and we solve problems instead of generating them. Maybe it’s obvious, but we really respect our employees and associates. We used to be software developers, too, and we appreciate that job! A small team An international working environment and international projects Private medical care Sports card Training courses Work that is 100% remote (unless you prefer another system) We have an office in Krakow, but if you like to work remotely, that’s absolutely fine. We are OK with fully remote work. For us, you can be located anywhere. :) Why it’s a good idea to work with People More? If you are not satisfied with your work or your tasks, we’ll find a way out together! If you get bored, we will offer you a new product and new, fascinating tasks We will work on your brand together: you will get an opportunity to attend conferences, including as a speaker, and we will help you publish in recognized magazines and online We will facilitate your access to challenges that are usually difficult to get At any time, you can talk directly to the board of People More—we talk your language because the company’s founders are software developers and designers! What does the recruitment process look like? A friendly remote initial interview A remote technical talk The decision to work together!