{"id":1087957,"url":"https://alion.io/job/coherent-solutions-qa-performance-engineer-iot-sphere","title":"QA Performance Engineer (IoT sphere)","company":{"id":673133,"name":"Coherent Solutions","domain":"coherentsolutions.com","url":"https://alion.io/company/coherentsolutions-2","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":81,"open_postings":4,"ghost_share":0,"stale_share":0.75,"repost_share":0,"time_to_fill_p50_days":43,"computed_at":"2026-10-13T05:45:00Z"}},"role":"QA","role_family":"QA","seniority":"junior","employment_type":null,"work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Bulgaria","Mexico","Poland","Georgia","Lithuania","Moldova"],"countries":["BG","MX","PL","GE","LT","MD"],"hiring_countries":["US","BG","MX","PL","GE","LT","MD"],"hiring_countries_total":7,"salary":null,"salary_estimate":null,"experience_years_min":1,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Datadog","optional":false},{"name":"Git","optional":false},{"name":"Grafana","optional":false},{"name":"Java","optional":false},{"name":"JMeter","optional":false},{"name":"Rest API","optional":false},{"name":"Scrum","optional":false},{"name":"Amazon CloudWatch","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"Azure DevOps","optional":true},{"name":"CI/CD","optional":true},{"name":"GCP","optional":true},{"name":"GitHub Actions","optional":true},{"name":"Jenkins","optional":true},{"name":"Linux","optional":true}],"status":"live","first_seen_at":"2026-05-25T16:32:47Z","employer_posted_date":"2026-10-10","last_verified_at":"2026-10-13T15:36:45Z","board_verified":true,"closed_at":null,"days_open":141,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":140},"description":"Company Background\nOur client is a global leader in access solutions and smart home technologies. With over a decade of innovation in the IoT space, the company is a pioneer in connected home solutions, including garage door openers, gate systems, and smart access management tools. One of their flagship innovations is the platform, which allows users to control and monitor their home access systems through connected devices. The current focus is a mobile app designed to support and manage gated communities.\nProject Description\nThe project focuses on performance testing of the middleware service layer powering the client’s connected device platform. The QA Automation Engineer will contribute to a JMeter-based performance testing framework, execute and report performance tests, maintain and enhance the framework, and work closely with DevOps Engineers, Developers, and senior performance engineers to ensure backend, API, and microservices performance meets high reliability standards.\nTechnologies\nJMeter\nJava basics\nREST APIs / HTTP\nGit\nWhat You'll Do\nExecute performance, load, stress, and soak tests for backend services, REST APIs, and microservices using JMeter;\nDevelop and maintain JMeter test scripts under the guidance of senior performance engineers;\nContribute to the performance testing framework by adding new scenarios, reusable components, and test data sets;\nAnalyze test results, prepare reports, and help identify performance bottlenecks together with Developers and DevOps Engineers;\nUse observability tools such as Grafana and Datadog to review dashboards and logs and support root cause analysis;\nDocument test plans, scenarios, execution results, and findings in a clear and reproducible way;\nCollaborate with Developers, DevOps Engineers, and QA peers to ensure performance criteria are met before release;\nParticipate in Agile ceremonies, including planning, refinement, retrospectives, and daily team communication;\nContinuously improve skills in performance engineering, JMeter, and cloud-based system performance through self-learning, training, and knowledge sharing;\nJob Requirements\n1+ year of experience in QA, manual or automation;\nBasic understanding of performance testing concepts, including common test types and key metrics;\nHands-on exposure to JMeter, including basic test plan structure, script recording, parameterization, and assertions;\nUnderstanding of REST APIs and HTTP basics, including methods, status codes, headers, and JSON payloads;\nBasic knowledge of Java and object-oriented programming;\nAbility to read and interpret graphs, dashboards, and basic system metrics;\nStrong analytical thinking, attention to detail, and problem-solving skills;\nGood communication skills and ability to work in a team;\nFamiliarity with Agile/Scrum software development process;\nEnglish level: B2 or higher.\nNice to Have\nBasic Linux command-line skills;\nBasic understanding of cloud platforms such as AWS, Azure, or GCP;\nExposure to observability or APM tools such as Grafana, Datadog, or CloudWatch;\nUnderstanding of microservices architecture;\nFamiliarity with CI/CD pipelines such as Azure DevOps, GitHub Actions, or Jenkins;\nFamiliarity with home automation technologies or IoT.\nWhat Do We Offer\nThe global benefits package includes:\nTechnical and non-technical training for professional and personal growth;\nInternal conferences and meetups to learn from industry experts;\nSupport and mentorship from an experienced employee to help you professional grow and development;\nHealth insurance;\nEnglish courses;\nSports activities to promote a healthy lifestyle;\nFlexible work options, including remote and hybrid opportunities;\nReferral program for bringing in new talent;\nWork anniversary program and additional vacation days.","description_format":"text","description_chars":3770,"description_truncated":false,"requirements":{"experience_years_min":1,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":["Flexible schedule","Health insurance","Sports activities"],"hiring_locations":[{"name":"United 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