{"id":2030126,"url":"https://alion.io/job/dow-jones-senior-machine-learning-engineer-2","title":"Senior Machine Learning Engineer","company":{"id":58531,"name":"Dow Jones","domain":"dowjones.com","url":"https://alion.io/company/dow-jones","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":75,"open_postings":20,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":26,"computed_at":"2026-10-12T06:55:09Z"}},"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":["Barcelona, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":57000,"max_usd":120000,"period":"year","method":"role_seniority_country_cell","sample_n":8},"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false},{"name":"Docker","optional":false},{"name":"Fine-tuning","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"Hugging Face","optional":false},{"name":"Kubernetes","optional":false},{"name":"LangChain","optional":false},{"name":"Machine Learning","optional":false},{"name":"NLP","optional":false},{"name":"NLTK","optional":false},{"name":"Python","optional":false},{"name":"PyTorch","optional":false},{"name":"Scikit-learn","optional":false},{"name":"spaCy","optional":false}],"status":"live","first_seen_at":"2026-10-07T14:03:58Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-12T23:51:56Z","board_verified":true,"closed_at":null,"days_open":5,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":5},"description":"Job Description:\nPosition: Senior Machine Learning Engineer\nLocation: Barcelona\nDepartment: Technology\nAbout the Role\nDow Jones is seeking a skilled Senior Machine Learning Engineer to join our AI Engineering Team. You will be responsible for designing, building, and maintaining machine learning pipelines and infrastructure, supporting both conventional and GenAI models. You will collaborate with our data scientists to seamlessly integrate various machine learning models, including large language models (LLMs).\nAs a key team member, you will play a crucial role in operationalizing machine learning solutions to meet our organization's needs and deliver tangible value. You will leverage your strong software engineering skills to develop robust, secure, and scalable production systems, utilizing your expertise in machine learning algorithms and techniques.\nResponsibilities\nCollaborate with data scientists and engineers to integrate ML models into various AI/ML pipelines, covering pre-processing, fine-tuning, and deployment.\n\nImplement optimized data storage and indexing systems for NLP, utilizing advanced database technologies.\n\nDevelop tools and frameworks for model training, tuning, and evaluation, ensuring seamless infrastructure integration.\n\nPartner with data scientists and engineers to integrate models into production, leveraging cloud infrastructure as needed.\n\nMonitor and improve model performance for accuracy and efficiency.\n\nProvide ongoing support, troubleshoot issues, and implement updates for ML models.\n\nBuild and maintain data processing pipelines for high volumes of structured and unstructured data.\n\nDevelop and maintain documentation for all ML infrastructure and support processes.\n\nStay updated on GenAI, NLP, ML, and IR technologies, incorporating best practices and leveraging cloud infrastructure for efficiency.\n\nQualifications\nBachelor's or Master's degree in Computer Science, Engineering, Data Science, or a related STEM field.\n\n2-4 years of industrial experience in a machine learning engineering, data science or data engineering role.\n\nStrong programming skills in Python and/or another high-level language commonly used in machine learning.\n\nExperience with NLP and Machine Learning frameworks and libraries (e.g., PyTorch, HuggingFace, LangChain, spaCy, NLTK, scikit-learn, etc.).\n\nExperience in developing and managing NLP-focused data infrastructure, including storage, indexing, and retrieval systems.\n\nProficiency in vector storage, indexing, and graph database technologies for scalable operations in cloud environments.\n\nFamiliarity with cloud-based infrastructure and services (e.g., AWS, GCP, etc.).\n\nExperience with containerization and orchestration technologies, such as Docker and Kubernetes, on cloud-based infrastructure.\n\nExperience with version control systems such as Git.\n\nStrong communication and collaboration skills, and a passion for working as part of a team.\n\nEqual Opportunity Employer\nAll qualified applicants will receive consideration for employment without regard to race, color, religion, sex, age, national origin, protected veteran status, disability status or any other protected characteristic. We strongly encourage applications from all qualified individuals, including women, people with disabilities, and those from underrepresented groups.\nReasonable Accommodation\nWe are committed to providing reasonable accommodation for qualified individuals with disabilities in our job application and/or interview process. If you need assistance or accommodation in completing your application or participating in an interview due to a disability, email us at . Please put \"Reasonable Accommodation\" in the subject line and provide a brief description of the type of assistance you need. This inbox will not be monitored for application status updates.\nPlease refer to the privacy notice at the bottom of this page for submitting any data access, deletion, or other data subject rights requests, where permitted under your local laws and regulations.\nBusiness Area:\nDow Jones - Technology\nJob Category:\nSoftware Product Engineering\nUnion Status:\nNon-Union roleBase Pay Range: -\nWe’re committed to offering competitive and flexible compensation to attract top talent. This pay range reflects our good faith estimate for the role and may vary based on a candidate’s experience, skills, location, and other relevant factors.\nFor bonus-eligible roles, targets are determined based on multiple considerations, including market benchmarks and individual contributions.\nFor benefits-eligible roles, we offer a comprehensive and competitive benefits package covering health, retirement, wellbeing, and more, along with optional benefits to meet the diverse needs of our employees.","description_format":"text","description_chars":4787,"description_truncated":false,"requirements":{"experience_years_min":2,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Artificial Intelligence","Data & Analytics","Financial Services","Media & Entertainment"],"lifecycle":[{"event":"open","at":"2026-10-07T14:03:58Z"}],"visa":[],"liveness":{"score":63,"band":"ok","label":"Likely open","p_open":1,"p_active":0.632,"p_room":1,"age_days":4,"expected_fill_days":26,"reasons":["conf:1","stale_co","velocity","win:early","comp:brand"],"computed_at":"2026-10-12T06:55:09Z"},"pay":null,"html_url":"https://alion.io/job/dow-jones-senior-machine-learning-engineer-2","json_url":"https://alion.io/job/dow-jones-senior-machine-learning-engineer-2.json","meta":{"generated_at":"2026-10-13T02:29:33Z","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":3748,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-14T00:00:00Z"}},"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":58531},"rest":"https://alion.io/mcp/rest/get_company?id=58531"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fdow-jones-senior-machine-learning-engineer-2"},{"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%2Fdow-jones-senior-machine-learning-engineer-2"},{"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%2Fdow-jones-senior-machine-learning-engineer-2"},{"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/dow-jones-senior-machine-learning-engineer-2\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fdow-jones-senior-machine-learning-engineer-2"}]}