{"company":{"id":138,"name":"DeepL","domain":"deepl.com","url":"https://alion.io/company/deepl"},"answer":"DeepL builds mostly with Go, Python, C#, JavaScript. Its stack also includes Kubernetes, React.js, .NET, JAX. Go is named in 29 of the 81 job postings DeepL published in the last 12 months (36%). Counted by Alion from the job postings of DeepL, updated Sep 29, 2026.","window_days":365,"postings_analysed":81,"open_postings":18,"technologies_in_use":93,"modernity_score":83,"ai_adoption":true,"technologies":[{"name":"Edge AI","layer":"practices","postings":81,"share":1,"required":81,"open_postings":18,"first_seen":"2026-02-25","last_seen":"2026-09-18","median_stated_pay_usd":200000},{"name":"Go","layer":"languages","postings":29,"share":0.358,"required":23,"open_postings":3,"first_seen":"2026-05-22","last_seen":"2026-09-18","median_stated_pay_usd":200000},{"name":"Claude","layer":"ai","postings":17,"share":0.2099,"required":16,"open_postings":0,"first_seen":"2026-05-21","last_seen":"2026-09-15","median_stated_pay_usd":200000},{"name":"Python","layer":"languages","postings":16,"share":0.1975,"required":16,"open_postings":1,"first_seen":"2026-06-30","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"C#","layer":"languages","postings":16,"share":0.1975,"required":15,"open_postings":0,"first_seen":"2026-06-30","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"Copilot","layer":"tools","postings":14,"share":0.1728,"required":13,"open_postings":0,"first_seen":"2026-06-24","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"React.js","layer":"frameworks","postings":11,"share":0.1358,"required":11,"open_postings":0,"first_seen":"2026-06-30","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"Kubernetes","layer":"cloud","postings":11,"share":0.1358,"required":9,"open_postings":1,"first_seen":"2026-07-22","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"JavaScript","layer":"languages","postings":11,"share":0.1358,"required":6,"open_postings":0,"first_seen":"2026-06-30","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":".NET","layer":"cloud","postings":9,"share":0.1111,"required":9,"open_postings":0,"first_seen":"2026-07-31","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"GitHub","layer":"cloud","postings":9,"share":0.1111,"required":8,"open_postings":0,"first_seen":"2026-06-24","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"TypeScript","layer":"languages","postings":8,"share":0.0988,"required":8,"open_postings":0,"first_seen":"2026-06-30","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"AWS","layer":"cloud","postings":8,"share":0.0988,"required":7,"open_postings":0,"first_seen":"2026-05-21","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"Model Context Protocol","layer":"tools","postings":7,"share":0.0864,"required":6,"open_postings":1,"first_seen":"2026-05-21","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"LLM","layer":"ai","postings":6,"share":0.0741,"required":6,"open_postings":0,"first_seen":"2026-05-21","last_seen":"2026-08-13","median_stated_pay_usd":null},{"name":"AI Agents","layer":"practices","postings":5,"share":0.0617,"required":5,"open_postings":1,"first_seen":"2026-06-24","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"JAX","layer":"frameworks","postings":5,"share":0.0617,"required":5,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-08-13","median_stated_pay_usd":null},{"name":"PyTorch","layer":"frameworks","postings":5,"share":0.0617,"required":5,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-08-13","median_stated_pay_usd":null},{"name":"Machine Learning","layer":"practices","postings":5,"share":0.0617,"required":4,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Java","layer":"languages","postings":4,"share":0.0494,"required":4,"open_postings":1,"first_seen":"2026-06-30","last_seen":"2026-09-03","median_stated_pay_usd":null},{"name":"Multimodal AI","layer":"practices","postings":4,"share":0.0494,"required":4,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-08-13","median_stated_pay_usd":null},{"name":"Post-training","layer":"practices","postings":4,"share":0.0494,"required":4,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"TensorFlow","layer":"frameworks","postings":4,"share":0.0494,"required":4,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"WebSockets","layer":"tools","postings":4,"share":0.0494,"required":4,"open_postings":0,"first_seen":"2026-05-21","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"Claude Code","layer":"tools","postings":4,"share":0.0494,"required":3,"open_postings":0,"first_seen":"2026-05-21","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"RLHF","layer":"practices","postings":4,"share":0.0494,"required":3,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Text-to-Speech","layer":"practices","postings":4,"share":0.0494,"required":3,"open_postings":0,"first_seen":"2026-05-21","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"NLP","layer":"practices","postings":4,"share":0.0494,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-08-28","median_stated_pay_usd":null},{"name":"Azure","layer":"cloud","postings":3,"share":0.037,"required":3,"open_postings":2,"first_seen":"2026-07-09","last_seen":"2026-08-27","median_stated_pay_usd":null},{"name":"Databricks","layer":"cloud","postings":3,"share":0.037,"required":3,"open_postings":1,"first_seen":"2026-07-20","last_seen":"2026-08-20","median_stated_pay_usd":null},{"name":"Fine-tuning","layer":"practices","postings":3,"share":0.037,"required":3,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Linux","layer":"cloud","postings":3,"share":0.037,"required":3,"open_postings":0,"first_seen":"2026-07-16","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"Platform Engineering","layer":"practices","postings":3,"share":0.037,"required":3,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"Reinforcement Learning","layer":"practices","postings":3,"share":0.037,"required":3,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Rest API","layer":"tools","postings":3,"share":0.037,"required":3,"open_postings":2,"first_seen":"2026-07-09","last_seen":"2026-08-27","median_stated_pay_usd":null},{"name":"Terraform","layer":"tools","postings":3,"share":0.037,"required":3,"open_postings":1,"first_seen":"2026-07-30","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"RLAIF","layer":"practices","postings":3,"share":0.037,"required":2,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"A/B Testing","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":1,"first_seen":"2026-07-20","last_seen":"2026-08-20","median_stated_pay_usd":null},{"name":"ArgoCD","layer":"tools","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-08-03","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"GitOps","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-08-03","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"Knowledge Distillation","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Model Distillation","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"OpenAI Codex","layer":"tools","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-31","last_seen":"2026-09-18","median_stated_pay_usd":null},{"name":"PPO","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"PostgreSQL","layer":"data","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-08-21","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"Pre-training","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Reward Modeling","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Rollup","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":2,"first_seen":"2026-05-29","last_seen":"2026-08-28","median_stated_pay_usd":null},{"name":"SFT","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Synthetic Data","layer":"practices","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"WebRTC","layer":"tools","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-31","last_seen":"2026-09-15","median_stated_pay_usd":null},{"name":"Windows","layer":"cloud","postings":2,"share":0.0247,"required":2,"open_postings":0,"first_seen":"2026-07-16","last_seen":"2026-08-27","median_stated_pay_usd":null},{"name":"Apache Kafka","layer":"cloud","postings":2,"share":0.0247,"required":1,"open_postings":1,"first_seen":"2026-07-22","last_seen":"2026-07-30","median_stated_pay_usd":null},{"name":"CI/CD","layer":"practices","postings":2,"share":0.0247,"required":1,"open_postings":1,"first_seen":"2026-07-22","last_seen":"2026-07-30","median_stated_pay_usd":null},{"name":"Docker","layer":"tools","postings":2,"share":0.0247,"required":1,"open_postings":1,"first_seen":"2026-07-22","last_seen":"2026-07-30","median_stated_pay_usd":null},{"name":"Human-in-the-Loop","layer":"practices","postings":2,"share":0.0247,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Speech Recognition","layer":"practices","postings":2,"share":0.0247,"required":1,"open_postings":0,"first_seen":"2026-08-13","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"BGP","layer":"practices","postings":2,"share":0.0247,"required":0,"open_postings":0,"first_seen":"2026-08-03","last_seen":"2026-08-26","median_stated_pay_usd":null},{"name":"gRPC","layer":"tools","postings":2,"share":0.0247,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"Agentic Workflows","layer":"practices","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-06-24","last_seen":"2026-06-24","median_stated_pay_usd":null},{"name":"Amazon EKS","layer":"cloud","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Backstage","layer":"tools","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-08-27","last_seen":"2026-08-27","median_stated_pay_usd":null},{"name":"DPO","layer":"practices","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Figma","layer":"cloud","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-09-02","last_seen":"2026-09-02","median_stated_pay_usd":null},{"name":"GitLab","layer":"cloud","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-08-27","last_seen":"2026-08-27","median_stated_pay_usd":null},{"name":"HPC","layer":"practices","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-28","last_seen":"2026-07-28","median_stated_pay_usd":null},{"name":"Incident Management","layer":"practices","postings":1,"share":0.0123,"required":1,"open_postings":1,"first_seen":"2026-07-24","last_seen":"2026-07-24","median_stated_pay_usd":null},{"name":"LoRA","layer":"ai","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Microsoft Entra ID","layer":"cloud","postings":1,"share":0.0123,"required":1,"open_postings":1,"first_seen":"2026-07-24","last_seen":"2026-07-24","median_stated_pay_usd":null},{"name":"Microsoft Excel","layer":"tools","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-20","last_seen":"2026-07-20","median_stated_pay_usd":null},{"name":"Mixture of Experts","layer":"practices","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Node JS","layer":"languages","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-31","last_seen":"2026-07-31","median_stated_pay_usd":null},{"name":"Okta","layer":"cloud","postings":1,"share":0.0123,"required":1,"open_postings":1,"first_seen":"2026-07-24","last_seen":"2026-07-24","median_stated_pay_usd":null},{"name":"PEFT","layer":"ai","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Prompt Engineering","layer":"practices","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-21","last_seen":"2026-07-21","median_stated_pay_usd":null},{"name":"Redis","layer":"data","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"SLI/SLO/SLA","layer":"practices","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-08-06","last_seen":"2026-08-06","median_stated_pay_usd":null},{"name":"SQL","layer":"languages","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-21","last_seen":"2026-07-21","median_stated_pay_usd":null},{"name":"Speculative Decoding","layer":"practices","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-27","last_seen":"2026-07-27","median_stated_pay_usd":null},{"name":"Terragrunt","layer":"tools","postings":1,"share":0.0123,"required":1,"open_postings":1,"first_seen":"2026-07-30","last_seen":"2026-07-30","median_stated_pay_usd":null},{"name":"Transformers","layer":"frameworks","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"VLM","layer":"ai","postings":1,"share":0.0123,"required":1,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Apache Iceberg","layer":"data","postings":1,"share":0.0123,"required":0,"open_postings":1,"first_seen":"2026-07-30","last_seen":"2026-07-30","median_stated_pay_usd":null},{"name":"ChatGPT","layer":"ai","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-06-24","last_seen":"2026-06-24","median_stated_pay_usd":null},{"name":"DeepSpeed","layer":"frameworks","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Diffusion Models","layer":"practices","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"FSDP","layer":"frameworks","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Megatron-LM","layer":"frameworks","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"SGLang","layer":"frameworks","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"TensorRT","layer":"tools","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"TensorRT-LLM","layer":"frameworks","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null},{"name":"Voice Agents","layer":"practices","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-06-24","last_seen":"2026-06-24","median_stated_pay_usd":null},{"name":"vLLM","layer":"cloud","postings":1,"share":0.0123,"required":0,"open_postings":0,"first_seen":"2026-07-22","last_seen":"2026-07-22","median_stated_pay_usd":null}],"own_products":["DeepL API"],"changes":{"first_appeared":[{"name":"PostgreSQL","first_seen":"2026-08-21"},{"name":"Speech Recognition","first_seen":"2026-08-13"},{"name":"ArgoCD","first_seen":"2026-08-03"},{"name":"GitOps","first_seen":"2026-08-03"},{"name":"BGP","first_seen":"2026-08-03"},{"name":"OpenAI Codex","first_seen":"2026-07-31"},{"name":"WebRTC","first_seen":"2026-07-31"},{"name":".NET","first_seen":"2026-07-31"}],"rising":[{"name":"Kubernetes","share_from":0,"share_to":16},{"name":".NET","share_from":0,"share_to":13},{"name":"Python","share_from":10,"share_to":22},{"name":"C#","share_from":10,"share_to":22},{"name":"JAX","share_from":0,"share_to":7},{"name":"PyTorch","share_from":0,"share_to":7},{"name":"Machine Learning","share_from":0,"share_to":7},{"name":"Multimodal AI","share_from":0,"share_to":6}],"falling":[{"name":"LLM","share_from":30,"share_to":4},{"name":"AWS","share_from":30,"share_to":7},{"name":"Model Context Protocol","share_from":20,"share_to":7},{"name":"Java","share_from":10,"share_to":4},{"name":"Claude Code","share_from":10,"share_to":4},{"name":"AI Agents","share_from":10,"share_to":6}],"not_seen_180d":[]},"similar_stacks":[{"name":"Thinking Machines Lab","url":"https://alion.io/company/thinking-machines-lab/technologies","shared_technologies":57},{"name":"Together AI","url":"https://alion.io/company/together/technologies","shared_technologies":69},{"name":"Scale AI","url":"https://alion.io/company/scale-ai/technologies","shared_technologies":77},{"name":"Baseten","url":"https://alion.io/company/baseten/technologies","shared_technologies":66},{"name":"Spotify","url":"https://alion.io/company/spotify/technologies","shared_technologies":53},{"name":"Perplexity AI","url":"https://alion.io/company/perplexity/technologies","shared_technologies":65},{"name":"GENIEE","url":"https://alion.io/company/geniee/technologies","shared_technologies":59},{"name":"MiniMax","url":"https://alion.io/company/minimax/technologies","shared_technologies":60}],"html_url":"https://alion.io/company/deepl/technologies","json_url":"https://alion.io/company/deepl/technologies.json","license":"CC BY-SA 4.0","meta":{"source":"Alion","built_at":"2026-09-29T13:48:51Z","generated_at":"2026-09-30T00:34:02Z"}}