{"company":{"id":4429061,"name":"RFA Engineering","domain":"rfamec.com","url":"https://alion.io/company/rfa-engineering"},"answer":"RFA Engineering builds mostly with C++, Python, MATLAB, SQL. Its stack also includes Linux, GitHub, Qt, Matplotlib. C++ is named in 25 of the 84 job postings RFA Engineering published in the last 12 months (30%). Counted by Alion from the job postings of RFA Engineering, updated Oct 28, 2026.","window_days":365,"postings_analysed":84,"open_postings":76,"technologies_in_use":81,"modernity_score":67,"ai_adoption":false,"technologies":[{"name":"C++","layer":"languages","postings":25,"share":0.2976,"required":24,"open_postings":22,"first_seen":"2026-05-21","last_seen":"2026-10-22","median_stated_pay_usd":112500},{"name":"GD&T","layer":"practices","postings":22,"share":0.2619,"required":21,"open_postings":22,"first_seen":"2026-04-08","last_seen":"2026-10-22","median_stated_pay_usd":87500},{"name":"Python","layer":"languages","postings":18,"share":0.2143,"required":16,"open_postings":16,"first_seen":"2026-05-21","last_seen":"2026-10-22","median_stated_pay_usd":97500},{"name":"Verification & Validation","layer":"practices","postings":16,"share":0.1905,"required":16,"open_postings":16,"first_seen":"2026-06-30","last_seen":"2026-10-22","median_stated_pay_usd":95000},{"name":"MATLAB","layer":"languages","postings":13,"share":0.1548,"required":10,"open_postings":11,"first_seen":"2026-07-01","last_seen":"2026-10-02","median_stated_pay_usd":107500},{"name":"Computer Vision","layer":"practices","postings":12,"share":0.1429,"required":12,"open_postings":10,"first_seen":"2026-05-21","last_seen":"2026-10-20","median_stated_pay_usd":120000},{"name":"Machine Learning","layer":"practices","postings":12,"share":0.1429,"required":12,"open_postings":10,"first_seen":"2026-05-21","last_seen":"2026-10-20","median_stated_pay_usd":120000},{"name":"SolidWorks","layer":"tools","postings":12,"share":0.1429,"required":12,"open_postings":11,"first_seen":"2026-06-30","last_seen":"2026-10-15","median_stated_pay_usd":95000},{"name":"Simulink","layer":"tools","postings":12,"share":0.1429,"required":9,"open_postings":10,"first_seen":"2026-07-01","last_seen":"2026-10-02","median_stated_pay_usd":110000},{"name":"FMEA","layer":"practices","postings":9,"share":0.1071,"required":8,"open_postings":8,"first_seen":"2026-07-17","last_seen":"2026-10-26","median_stated_pay_usd":90000},{"name":"CI/CD","layer":"practices","postings":7,"share":0.0833,"required":7,"open_postings":7,"first_seen":"2026-08-05","last_seen":"2026-10-22","median_stated_pay_usd":110000},{"name":"Linux","layer":"cloud","postings":7,"share":0.0833,"required":7,"open_postings":6,"first_seen":"2026-08-03","last_seen":"2026-10-15","median_stated_pay_usd":90000},{"name":"GitHub","layer":"cloud","postings":7,"share":0.0833,"required":5,"open_postings":6,"first_seen":"2026-08-12","last_seen":"2026-10-08","median_stated_pay_usd":115000},{"name":"AutoCAD","layer":"tools","postings":6,"share":0.0714,"required":5,"open_postings":6,"first_seen":"2026-08-11","last_seen":"2026-10-21","median_stated_pay_usd":75000},{"name":"Git","layer":"tools","postings":5,"share":0.0595,"required":5,"open_postings":4,"first_seen":"2026-08-03","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Qt","layer":"frameworks","postings":5,"share":0.0595,"required":5,"open_postings":5,"first_seen":"2026-08-03","last_seen":"2026-10-02","median_stated_pay_usd":95000},{"name":"SQL","layer":"languages","postings":5,"share":0.0595,"required":5,"open_postings":3,"first_seen":"2026-07-08","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"ANSYS","layer":"tools","postings":5,"share":0.0595,"required":4,"open_postings":3,"first_seen":"2026-08-24","last_seen":"2026-10-12","median_stated_pay_usd":85000},{"name":"C#","layer":"languages","postings":4,"share":0.0476,"required":4,"open_postings":4,"first_seen":"2026-08-03","last_seen":"2026-10-16","median_stated_pay_usd":null},{"name":"Power BI","layer":"cloud","postings":4,"share":0.0476,"required":4,"open_postings":4,"first_seen":"2026-09-11","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":3,"share":0.0357,"required":3,"open_postings":3,"first_seen":"2026-09-21","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"Databricks","layer":"cloud","postings":3,"share":0.0357,"required":3,"open_postings":2,"first_seen":"2026-07-08","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"Nastran","layer":"tools","postings":3,"share":0.0357,"required":3,"open_postings":2,"first_seen":"2026-08-24","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"SLAM","layer":"practices","postings":3,"share":0.0357,"required":3,"open_postings":3,"first_seen":"2026-09-21","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"Simscape","layer":"tools","postings":3,"share":0.0357,"required":3,"open_postings":3,"first_seen":"2026-08-24","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Statistical Process Control","layer":"practices","postings":3,"share":0.0357,"required":3,"open_postings":3,"first_seen":"2026-09-21","last_seen":"2026-10-26","median_stated_pay_usd":null},{"name":"Tableau","layer":"cloud","postings":3,"share":0.0357,"required":3,"open_postings":2,"first_seen":"2026-07-08","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":3,"share":0.0357,"required":1,"open_postings":3,"first_seen":"2026-05-21","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"MQTT","layer":"tools","postings":3,"share":0.0357,"required":1,"open_postings":3,"first_seen":"2026-05-21","last_seen":"2026-08-05","median_stated_pay_usd":null},{"name":"Bash","layer":"languages","postings":2,"share":0.0238,"required":2,"open_postings":2,"first_seen":"2026-09-03","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Docker","layer":"tools","postings":2,"share":0.0238,"required":2,"open_postings":2,"first_seen":"2026-09-29","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Matplotlib","layer":"frameworks","postings":2,"share":0.0238,"required":2,"open_postings":2,"first_seen":"2026-10-01","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":2,"share":0.0238,"required":2,"open_postings":2,"first_seen":"2026-10-01","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"RTOS","layer":"cloud","postings":2,"share":0.0238,"required":2,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"TensorFlow","layer":"frameworks","postings":2,"share":0.0238,"required":2,"open_postings":2,"first_seen":"2026-10-01","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"TensorFlow C++","layer":"frameworks","postings":2,"share":0.0238,"required":2,"open_postings":2,"first_seen":"2026-10-01","last_seen":"2026-10-06","median_stated_pay_usd":null},{"name":"Ubuntu","layer":"cloud","postings":2,"share":0.0238,"required":2,"open_postings":2,"first_seen":"2026-09-03","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Azure DevOps","layer":"cloud","postings":2,"share":0.0238,"required":1,"open_postings":2,"first_seen":"2026-05-21","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Battery Management Systems","layer":"practices","postings":2,"share":0.0238,"required":1,"open_postings":2,"first_seen":"2026-07-01","last_seen":"2026-09-29","median_stated_pay_usd":null},{"name":"Figma","layer":"cloud","postings":2,"share":0.0238,"required":1,"open_postings":2,"first_seen":"2026-07-22","last_seen":"2026-10-13","median_stated_pay_usd":null},{"name":"OpenCV","layer":"frameworks","postings":2,"share":0.0238,"required":1,"open_postings":2,"first_seen":"2026-08-03","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Sketch","layer":"tools","postings":2,"share":0.0238,"required":1,"open_postings":2,"first_seen":"2026-07-22","last_seen":"2026-10-13","median_stated_pay_usd":null},{"name":"Azure","layer":"cloud","postings":2,"share":0.0238,"required":0,"open_postings":2,"first_seen":"2026-05-21","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Abaqus","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-12","last_seen":"2026-10-12","median_stated_pay_usd":null},{"name":"Adobe Illustrator","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-13","last_seen":"2026-10-13","median_stated_pay_usd":null},{"name":"Adobe XD","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-13","last_seen":"2026-10-13","median_stated_pay_usd":null},{"name":"Amazon EC2","layer":"cloud","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Amazon S3","layer":"cloud","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Anomaly Detection","layer":"practices","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-05-21","last_seen":"2026-05-21","median_stated_pay_usd":null},{"name":"CATIA","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"CMake","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-15","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Configuration Management","layer":"practices","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-15","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Design of Experiments","layer":"practices","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-11","last_seen":"2026-09-11","median_stated_pay_usd":null},{"name":"FreeRTOS","layer":"cloud","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"GitHub Actions","layer":"cloud","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-15","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"GitLab CI","layer":"cloud","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-15","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"InVision","layer":"cloud","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-13","last_seen":"2026-10-13","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Jenkins","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-15","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"Plotly","layer":"frameworks","postings":1,"share":0.0119,"required":1,"open_postings":0,"first_seen":"2026-07-08","last_seen":"2026-07-08","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":1,"share":0.0119,"required":1,"open_postings":0,"first_seen":"2026-07-08","last_seen":"2026-07-08","median_stated_pay_usd":null},{"name":"ROS","layer":"frameworks","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"ROS2","layer":"frameworks","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Rest API","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Spring Boot","layer":"frameworks","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Spring Framework","layer":"frameworks","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"TCP/IP","layer":"practices","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-09-03","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Time Series","layer":"practices","postings":1,"share":0.0119,"required":1,"open_postings":0,"first_seen":"2026-07-08","last_seen":"2026-07-08","median_stated_pay_usd":null},{"name":"Visual Basic","layer":"languages","postings":1,"share":0.0119,"required":1,"open_postings":0,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Wi-Fi","layer":"practices","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-02","last_seen":"2026-10-02","median_stated_pay_usd":null},{"name":"npm","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":1,"first_seen":"2026-10-15","last_seen":"2026-10-15","median_stated_pay_usd":null},{"name":"pySpark","layer":"tools","postings":1,"share":0.0119,"required":1,"open_postings":0,"first_seen":"2026-07-08","last_seen":"2026-07-08","median_stated_pay_usd":null},{"name":"AI Agents","layer":"practices","postings":1,"share":0.0119,"required":0,"open_postings":1,"first_seen":"2026-05-21","last_seen":"2026-05-21","median_stated_pay_usd":null},{"name":"Altium Designer","layer":"tools","postings":1,"share":0.0119,"required":0,"open_postings":0,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"Human Factors Engineering","layer":"practices","postings":1,"share":0.0119,"required":0,"open_postings":1,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"LTspice","layer":"tools","postings":1,"share":0.0119,"required":0,"open_postings":0,"first_seen":"2026-09-21","last_seen":"2026-09-21","median_stated_pay_usd":null},{"name":"OpenFOAM","layer":"tools","postings":1,"share":0.0119,"required":0,"open_postings":0,"first_seen":"2026-09-15","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"OpenGL","layer":"frameworks","postings":1,"share":0.0119,"required":0,"open_postings":1,"first_seen":"2026-08-03","last_seen":"2026-08-03","median_stated_pay_usd":null},{"name":"STAR-CCM+","layer":"tools","postings":1,"share":0.0119,"required":0,"open_postings":0,"first_seen":"2026-09-15","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"Siemens NX","layer":"tools","postings":1,"share":0.0119,"required":0,"open_postings":1,"first_seen":"2026-10-21","last_seen":"2026-10-21","median_stated_pay_usd":null},{"name":"Spark","layer":"cloud","postings":1,"share":0.0119,"required":0,"open_postings":0,"first_seen":"2026-07-08","last_seen":"2026-07-08","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[{"name":"Matplotlib","first_seen":"2026-10-01"},{"name":"PyTorch","first_seen":"2026-10-01"},{"name":"TensorFlow","first_seen":"2026-10-01"},{"name":"TensorFlow C++","first_seen":"2026-10-01"},{"name":"Docker","first_seen":"2026-09-29"},{"name":"Statistical Process Control","first_seen":"2026-09-21"},{"name":"AWS","first_seen":"2026-09-21"},{"name":"SLAM","first_seen":"2026-09-21"}],"rising":[],"falling":[],"not_seen_180d":[]},"similar_stacks":[{"name":"Joby Aviation","url":"https://alion.io/company/joby-aviation/technologies","shared_technologies":63},{"name":"Oshkosh Corporation","url":"https://alion.io/company/oshkoshcorp/technologies","shared_technologies":58},{"name":"Textron","url":"https://alion.io/company/textron-com/technologies","shared_technologies":55},{"name":"Divergent Technologies","url":"https://alion.io/company/divergent-technologies/technologies","shared_technologies":52},{"name":"Rocket Lab","url":"https://alion.io/company/rocketlab-2/technologies","shared_technologies":62},{"name":"John Deere","url":"https://alion.io/company/deere-com/technologies","shared_technologies":57},{"name":"Archer Aviation","url":"https://alion.io/company/archer/technologies","shared_technologies":64},{"name":"Honeywell Aerospace Technologies","url":"https://alion.io/company/honeywellaerospace/technologies","shared_technologies":54}],"html_url":"https://alion.io/company/rfa-engineering/technologies","json_url":"https://alion.io/company/rfa-engineering/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-10-28T01:10:38Z","generated_at":"2026-10-28T09:28:30Z"}}