{"id":1982098,"url":"https://alion.io/job/nachalo-senior-mlai-engineer-mf","title":"Senior ML/AI Engineer (M/F)","company":{"id":2403935,"name":"Information Services","domain":"is-bg.net","url":"https://alion.io/company/is-bg","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Sofia, Bulgaria"],"countries":["BG"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":38000,"max_usd":99000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":2216},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"CI/CD","optional":false},{"name":"CNN","optional":false},{"name":"Docker","optional":false},{"name":"Kubernetes","optional":false},{"name":"LightGBM","optional":false},{"name":"Machine Learning","optional":false},{"name":"MLFlow","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"NumPy","optional":false},{"name":"Pandas","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"RAG","optional":false},{"name":"XGBoost","optional":false}],"status":"live","first_seen_at":"2026-07-31T00:00:00Z","employer_posted_date":"2026-07-31","last_verified_at":"2026-10-21T19:18:19Z","board_verified":true,"closed_at":null,"days_open":82,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":82},"description":"You have the opportunity to join our team at the position Senior Machine Learning / Artificial Intelligence Engineer.\nWhat will you do?\nDesign, develop, and optimize machine learning models for real-world applications\nBuild robust data pipelines and perform advanced data analysis using Pandas and NumPy\nDesign, build, and deploy AI-powered solutions including AI agents, RAG systems, MCP servers, tool integrations, and cloud-native backend services.\nDevelop robust agentic systems with effective approaches to tool usage, memory management, context handling, orchestration, reliability, and safety.\nDevelop and train deep learning models using PyTorch\nIntegrate Large Language Models into production environments while balancing quality, latency, cost, scalability, and observability.\nDeploy, monitor, and maintain ML models in production environments\nImplement best practices for model versioning, tracking, and reproducibility using MLflow\nCollaborate with data scientists, engineers, and product teams to deliver scalable ML/AI solutions\nEnsure code quality, performance, and maintainability across projects\nContinuously research and apply state-of-the-art AI/ML techniques\nDrive technical design and implementation decisions within your area of ownership, ensuring maintainable, secure, and high-quality solutions.\nWhat skills and qualifications you need to have?\nAt least 5 years of experience in machine learning, AI engineering, or related roles;\nHands-on Engineer with deep knowledge and experience with LLMs, RAGs and AI Agents.\nStrong proficiency in Python and core ML frameworks (Pandas, NumPy, PyTorch)\nProven experience deploying machine learning models to production\nSolid understanding of MLOps principles and workflows\nHands-on experience with model versioning and experiment tracking\nStrong problem-solving skills and ability to work independently\nUnderstanding of statistics, forecasting methods, and quantitative analysis techniques;\nTeamwork and deadline-keeping abilities.\n As an advantage we consider:Degree in a STEM field (e.g., computer science, engineering, applied mathematics, statistics, quantitative social sciences or related areas)\nGood knowledge of statistical approaches in one or more of the following machine learning domains, such as:Regression (e.g., Linear Regression, Generalized Linear Model, Lasso, Ridge, Elastic Net)\nClassification (e.g., Logistic Regression, Support Vector Machine (SVM), k-Nearest Neighbors (KNN))\nUnsupervised ML (e.g., Kernel Density Estimation (KDE), k-Means Clustering, DBSCAN, Gaussian Mixture Model (GMM))\nEnsembles (e.g., Random Forest, XGBoost, Light GBM, Stacking Regressor, Isolation Forest)\nDeep Learning (e.g., Multilayer Perceptron (MLP), Convolutional Neural Network (CNN), Recurrent Neural Network (RNN), Long Short-Term Memory Network (LSTM)\n\nExperience with distributed training or large-scale data processingFamiliarity with CI/CD pipelines for ML systems\nKnowledge of containerization tools (e.g., Docker, Kubernetes)\nBackground in data engineering or software architecture\n\nWhy Information Services?\nYou will have the opportunity to participate in projects of national significance and be part of the digital future and transformation of Bulgaria.\nWhat you will get in addition if you join us?\nAdditional health insurance;\nPublic transport full coverage card;\nReferral bonus program;\nSkills development program;\nWork in a team with leading specialists;\nSpecially developed “Graduation” program;\nCoffee and fresh fruits at the office;\nAttractive office location.\nIf you are interested in this position, please send your CV. Only shortlisted candidates will be contacted for interview.","description_format":"text","description_chars":3668,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Health insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Cybersecurity"],"lifecycle":[{"event":"open","at":"2026-10-07T00:18:11Z"}],"visa":[],"liveness":{"score":15,"band":"cold","label":"Long shot","p_open":1,"p_active":0.524,"p_room":0.28,"age_days":82,"expected_fill_days":27,"reasons":["conf:2","urgency","win:tail","crowd:"],"computed_at":"2026-10-21T05:46:15Z"},"pay":null,"html_url":"https://alion.io/job/nachalo-senior-mlai-engineer-mf","json_url":"https://alion.io/job/nachalo-senior-mlai-engineer-mf.json","meta":{"generated_at":"2026-10-21T23:28:28Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":33455,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-22T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":2403935},"rest":"https://alion.io/mcp/rest/get_company?id=2403935"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fnachalo-senior-mlai-engineer-mf"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fnachalo-senior-mlai-engineer-mf"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fnachalo-senior-mlai-engineer-mf"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/nachalo-senior-mlai-engineer-mf\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fnachalo-senior-mlai-engineer-mf"}]}