{"company":{"id":27772,"name":"RIVR","domain":"rivr.ai","url":"https://alion.io/company/rivr"},"answer":"RIVR builds mostly with Python, C++, Bash, Go. Its stack also includes ROS2, Linux, AWS, ROS. Python is named in 12 of the 22 job postings RIVR published in the last 12 months (55%). Counted by Alion from the job postings of RIVR, updated Sep 27, 2026.","window_days":365,"postings_analysed":22,"open_postings":19,"technologies_in_use":64,"modernity_score":67,"ai_adoption":false,"technologies":[{"name":"Python","layer":"languages","postings":12,"share":0.5455,"required":11,"open_postings":10,"first_seen":"2024-08-28","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"C++","layer":"languages","postings":7,"share":0.3182,"required":6,"open_postings":6,"first_seen":"2024-08-28","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"Machine Learning","layer":"practices","postings":6,"share":0.2727,"required":6,"open_postings":6,"first_seen":"2024-08-28","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Physical AI","layer":"practices","postings":6,"share":0.2727,"required":6,"open_postings":6,"first_seen":"2026-08-21","last_seen":"2026-09-23","median_stated_pay_usd":null},{"name":"ROS2","layer":"frameworks","postings":6,"share":0.2727,"required":4,"open_postings":4,"first_seen":"2025-09-12","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":5,"share":0.2273,"required":3,"open_postings":4,"first_seen":"2025-09-12","last_seen":"2026-07-14","median_stated_pay_usd":null},{"name":"Linux","layer":"cloud","postings":4,"share":0.1818,"required":4,"open_postings":3,"first_seen":"2025-10-09","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"Self-Supervised Learning","layer":"practices","postings":4,"share":0.1818,"required":4,"open_postings":4,"first_seen":"2024-08-28","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Vision-Language-Action","layer":"practices","postings":4,"share":0.1818,"required":3,"open_postings":3,"first_seen":"2025-11-05","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":4,"share":0.1818,"required":2,"open_postings":4,"first_seen":"2025-11-20","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"ROS","layer":"frameworks","postings":4,"share":0.1818,"required":2,"open_postings":4,"first_seen":"2025-11-11","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Computer Vision","layer":"practices","postings":3,"share":0.1364,"required":3,"open_postings":3,"first_seen":"2024-08-28","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":3,"share":0.1364,"required":3,"open_postings":3,"first_seen":"2025-11-05","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Reinforcement Learning","layer":"practices","postings":3,"share":0.1364,"required":3,"open_postings":3,"first_seen":"2024-08-28","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Reinforcement Learning","layer":"practices","postings":3,"share":0.1364,"required":3,"open_postings":3,"first_seen":"2024-08-28","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Wi-Fi","layer":"practices","postings":3,"share":0.1364,"required":3,"open_postings":2,"first_seen":"2025-10-09","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"Imitation Learning","layer":"practices","postings":2,"share":0.0909,"required":2,"open_postings":2,"first_seen":"2024-08-28","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"MQTT","layer":"tools","postings":2,"share":0.0909,"required":2,"open_postings":1,"first_seen":"2025-10-09","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"Multimodal AI","layer":"practices","postings":2,"share":0.0909,"required":2,"open_postings":2,"first_seen":"2025-11-05","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"SLAM","layer":"practices","postings":2,"share":0.0909,"required":2,"open_postings":2,"first_seen":"2025-11-11","last_seen":"2026-07-09","median_stated_pay_usd":null},{"name":"TCP/IP","layer":"practices","postings":2,"share":0.0909,"required":2,"open_postings":1,"first_seen":"2025-10-09","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"WebRTC","layer":"tools","postings":2,"share":0.0909,"required":2,"open_postings":1,"first_seen":"2025-10-09","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"Diffusion Models","layer":"practices","postings":2,"share":0.0909,"required":1,"open_postings":2,"first_seen":"2024-08-28","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"SolidWorks","layer":"tools","postings":2,"share":0.0909,"required":1,"open_postings":2,"first_seen":"2025-05-30","last_seen":"2026-09-07","median_stated_pay_usd":null},{"name":"Grafana","layer":"cloud","postings":2,"share":0.0909,"required":0,"open_postings":2,"first_seen":"2025-11-20","last_seen":"2026-07-14","median_stated_pay_usd":null},{"name":"Prometheus","layer":"tools","postings":2,"share":0.0909,"required":0,"open_postings":2,"first_seen":"2025-11-20","last_seen":"2026-07-14","median_stated_pay_usd":null},{"name":"Anomaly Detection","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"Apache Kafka","layer":"cloud","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-20","last_seen":"2025-11-20","median_stated_pay_usd":null},{"name":"Bash","layer":"languages","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-06-15","last_seen":"2026-06-15","median_stated_pay_usd":null},{"name":"Contrastive Learning","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"DHCP","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-09-22","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"DNS","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-09-22","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"DVC","layer":"tools","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"Embodied AI","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-08-31","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Git","layer":"tools","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-09-12","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"Go","layer":"languages","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-09-22","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-20","last_seen":"2025-11-20","median_stated_pay_usd":null},{"name":"Kubeflow","layer":"cloud","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"NumPy","layer":"frameworks","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-08-31","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"OpenCV","layer":"frameworks","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-08-31","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"OrCAD","layer":"tools","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-08-21","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Pandas","layer":"frameworks","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-08-31","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"PyTorch C++","layer":"frameworks","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"Sim-to-Real","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2024-08-28","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Spark","layer":"cloud","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"Transfer Learning","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2024-08-28","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Transformers","layer":"frameworks","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-20","last_seen":"2025-11-20","median_stated_pay_usd":null},{"name":"Ubuntu","layer":"cloud","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-09-22","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"VLAN","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-09-22","last_seen":"2026-09-22","median_stated_pay_usd":null},{"name":"Windows","layer":"cloud","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2026-06-15","last_seen":"2026-06-15","median_stated_pay_usd":null},{"name":"World Models","layer":"practices","postings":1,"share":0.0455,"required":1,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"gRPC","layer":"tools","postings":1,"share":0.0455,"required":1,"open_postings":0,"first_seen":"2025-10-09","last_seen":"2025-10-09","median_stated_pay_usd":null},{"name":"AWS Lambda","layer":"cloud","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-06-15","last_seen":"2026-06-15","median_stated_pay_usd":null},{"name":"Amazon EC2","layer":"cloud","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-06-15","last_seen":"2026-06-15","median_stated_pay_usd":null},{"name":"CloudFormation","layer":"tools","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-06-15","last_seen":"2026-06-15","median_stated_pay_usd":null},{"name":"Data Augmentation","layer":"practices","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2025-11-05","last_seen":"2025-11-05","median_stated_pay_usd":null},{"name":"Fusion 360","layer":"tools","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-08-21","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"IAM","layer":"practices","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-06-15","last_seen":"2026-06-15","median_stated_pay_usd":null},{"name":"MATLAB","layer":"languages","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-08-21","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Pytest","layer":"frameworks","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-08-21","last_seen":"2026-08-21","median_stated_pay_usd":null},{"name":"Sensor Fusion","layer":"practices","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-08-31","last_seen":"2026-08-31","median_stated_pay_usd":null},{"name":"Tableau","layer":"cloud","postings":1,"share":0.0455,"required":0,"open_postings":1,"first_seen":"2026-05-28","last_seen":"2026-05-28","median_stated_pay_usd":null},{"name":"Teleoperation","layer":"practices","postings":1,"share":0.0455,"required":0,"open_postings":0,"first_seen":"2025-10-09","last_seen":"2025-10-09","median_stated_pay_usd":null}],"own_products":[],"changes":{"first_appeared":[{"name":"Physical AI","first_seen":"2026-08-21"}],"rising":[],"falling":[],"not_seen_180d":[{"name":"Imitation Learning","last_seen":"2025-11-05"},{"name":"Diffusion Models","last_seen":"2025-11-05"}]},"similar_stacks":[{"name":"Bear Robotics","url":"https://alion.io/company/bearrobotics/technologies","shared_technologies":46},{"name":"Persona AI","url":"https://alion.io/company/persona-ai/technologies","shared_technologies":44},{"name":"RLWRLD","url":"https://alion.io/company/rlwrld-inc/technologies","shared_technologies":41},{"name":"Torc Robotics","url":"https://alion.io/company/torc-robotics/technologies","shared_technologies":53},{"name":"Harmattan AI","url":"https://alion.io/company/harmattan/technologies","shared_technologies":42},{"name":"1X Technologies","url":"https://alion.io/company/1x-technologies/technologies","shared_technologies":45},{"name":"Symbotic","url":"https://alion.io/company/symbotic/technologies","shared_technologies":53},{"name":"Humanoid","url":"https://alion.io/company/thehumanoid/technologies","shared_technologies":50}],"html_url":"https://alion.io/company/rivr/technologies","json_url":"https://alion.io/company/rivr/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-09-27T19:30:23Z","generated_at":"2026-09-28T09:51:18Z"}}