[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"job-senior-data-scientist-flexhub-coba-nearshoring-sofia-bg-de-global":3},{"id":4,"slug":5,"title":6,"description":7,"company":8,"is_featured":11,"featured_until":7,"is_active":12,"deactivated_at":7,"is_enriched":12,"processed_job_posting_json":13,"processed_latitude":65,"processed_longitude":66,"processed_employment_types":67,"processed_working_hours":68,"processed_working_hours_labels":70,"processed_home_office":71,"processed_salary_min":62,"processed_salary_max":63,"processed_salary_currency":59,"processed_salary_source":72,"processed_benefits":73,"processed_benefits_labels":87,"processed_industry":88,"processed_skills":7,"processed_job_location":89,"processed_full_address_gmaps":91,"processed_street_gmaps":93,"processed_city_gmaps":95,"processed_postal_code_gmaps":96,"processed_country_gmaps":98,"processed_country_iso_code_gmaps":100,"full_description":16,"formatted_description":101,"processed_employment_types_labels":35,"processed_home_office_labels":33,"processed_industry_labels":37,"processed_it_skills":102,"processed_it_skills_labels":106,"processed_soft_skills":107,"processed_soft_skills_labels":108,"processed_job_expertise_skills":109,"processed_job_expertise_skills_labels":110,"processed_language_requirements":111,"processed_total_experience_years":118,"processed_professional_field":119,"processed_professional_field_labels":122,"processed_leadership_role":12,"processed_date_posted":19,"raw_job_url":123,"apply_url":7,"raw_hiringOrganization_logo_url":7,"translations":7,"canonical_industry_key":88,"canonical_industry_label":37,"max_cpc":124,"actual_cpc":7},84465,"senior-data-scientist-flexhub-coba-nearshoring-sofia-bg","(Senior) Data Scientist (flexhub)",null,{"name":9,"slug":10,"logo_url":7},"CoBa Nearshoring Sofia BG","coba-nearshoring-sofia-bg",false,true,{"@context":14,"@type":15,"title":6,"description":16,"hiringOrganization":17,"datePosted":19,"validThrough":20,"jobLocation":21,"jobLocationType":33,"employmentType":34,"industry":36,"skills":38,"baseSalary":57},"https:\u002F\u002Fschema.org\u002F","JobPosting","Wichtiger Hinweis: Bitte aktiviere JavaScript, um diese Seite uneingeschränkt nutzen zu können.\nvorherige Stelle\nnächste Stelle\nYour tasks\nDeveloping, training, and tuning machine learning models using prompt engineering, including reasoning tasks and configuring MCP setups for database and API access; creating and managing RAG databases; registering and orchestrating AI agents;\nWorking with data engineers to build robust data pipelines;\nDeploying models into production environments or prototypes;\nEnsuring models are reproducible and well-documented;\nSelecting appropriate algorithms for specific business challenges;\nPerforming cross-validation and back-testing of models;\nAdhering to ethical AI guidelines and data governance policies;\nExplaining model results to business users;\nMentoring junior scientists on advanced techniques;\nSupporting the team in achieving its goals.\nYour Profile\nHigh knowledge of Python;\nKnowledge of various machine learning methods (e.g. trees, ensembles, neural networks, clustering, Splunk);\nPrevious experience in collecting, analyzing and interpreting large amounts of data;\nGood understanding of MS SQL for data analysis and database optimalization;\nExperience with Big Data platforms (Hadoop, Spark) is a plus;\nFluency in English;\nUniversity degree in IT or relevant.\nIn return, we offer:\nGood work-life balance, including 25 days annual paid leave (increasing with 1 day per year up to 31 in total), flexible working hours, work-from-home and work from abroad opportunities;\nLuxury package of additional health and dental insurance;\nFood vouchers in the amount of EUR 80 monthly;\n6 additional annual days off for exceptional circumstances;\nEmployee assistance program for psychological, financial, and legal consultations;\nMultisport card;\nAnnual contribution of EUR 153.39 net per child for a summer camp\u002Fschool\u002Fkindergarten for children up to age of 15;\nPossibilities for building career-advancing skills by covering training\u002Fcertification courses and conferences based on individual learning and development needs, access to an online learning platform;\nOpportunities for long-term professional development in a stable, 150-year-old company while contributing to the vision of a new, just starting Digital Technology Center;\nFriendly and supportive multicultural environment, open to new opinions and ideas.\nCommerzbank is proud to be an equal opportunity employer, committed to creating a diverse environment. All qualified applicants will receive consideration for employment without regard to gender, race, color, national origin, religion, gender identity or expression, sexual orientation, genetics, disability, age, or any other characteristics.\nOur Benefits\nWork internationally\nWork-life balance\nHealth& Dental Insurance\nMultisport Card\n25 up to 31 annual paid leave\n6 Exceptional Days Off\nFood vouchers\nEmployee assistance program\nChildren Summer Camp Contribution\nLearning Platforms\nWork internationally; Work-life balance; Health& Dental Insurance; Multisport Card; 25 up to 31 annual paid leave; 6 Exceptional Days Off; Food vouchers; Employee assistance program; Children Summer Camp Contribution; Learning Platforms\nBookmark job ad\nPrint job ad\nShare job ad\nThe company\nCommerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so are we. We are leaving the traditional bank behind us and we are choosing to move forward as a digital enterprise.\nAs part of this strategy, Commerzbank continues the expansion of its Digital Technology Center in Sofia, Bulgaria. We need motivated people who will join us on this journey and we are looking for a\n(Senior) Data Scientist\nin our\nflexhub\nteam.\nWhat is flexhub?\nWe are Commerzbank's internal delivery capability – a team of engineers, architects, analysts and experts working directly with business units. Unlike external consultancies, we are colleagues who stay. Based in Frankfurt, Sofia, and Łódź, we drive high-priority initiatives while building internal expertise that lasts.\nWhat's in it for you:\nConsulting variety meets corporate stability. You join different teams across the bank when your expertise is needed, then move on to the next challenge. This approach helps you build strong internal know-how and gives you the chance to contribute to meaningful work – one initiative at a time – without sales targets or utilization pressure. No selling. Just a consistent focus on engineering solutions that matter.\nContact\nChallenge accepted?\nApply now with your up-to-date CV in English!\nDue to the high volume of applications, we contact only the candidates who best match the role requirements. If you do not hear from us within 14 days, please consider that we won't proceed with your application at this stage.\nVerwandte Stellen\nBitte warten...\nvorherige Stelle\nnächste Stelle\nZurück\nTeilen über deinen Social Media Account\nKlicke auf eines der Icons:\nTeilen über Mail\nTeilen über Facebook\nTeilen über X\nTeilen über Xing\nTeilen über LinkedIn",{"@type":18,"name":9},"Organization","2026-05-19","2027-05-19",[22],{"@type":23,"address":24,"geo":29},"Place",{"@type":25,"addressLocality":26,"addressCountry":27,"addressRegion":28},"PostalAddress","Sofia","BG","Sofia City Province",{"@type":30,"latitude":31,"longitude":32},"GeoCoordinates",42.6303775,23.3766917,"HYBRID",[35],"PERMANENT",[37],"Banking",[39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56],"Python","MS SQL","Hadoop","Spark","Splunk","Mentoring","Communication","Teamwork","Machine Learning","Prompt Engineering","RAG Databases","AI Agent Orchestration","Data Pipelines","Model Deployment","Cross-validation","Back-testing","Data Governance","Ethical AI",{"@type":58,"currency":59,"value":60},"MonetaryAmount","EUR",{"@type":61,"minValue":62,"maxValue":63,"unitText":64},"QuantitativeValue",60000,90000,"YEAR",[31],[32],"permanent",[69],"FULL_TIME",[69],"hybrid","estimated",[74,75,76,77,78,79,80,81,82,83,84,85,86],"25 days annual paid leave (increasing with 1 day per year up to 31 in total)","Flexible working hours","Work-from-home and work from abroad opportunities","Luxury package of additional health and dental insurance","Food vouchers in the amount of EUR 80 monthly","6 additional annual days off for exceptional circumstances","Employee assistance program for psychological, financial, and legal consultations","Multisport card","Annual contribution of EUR 153.39 net per child for a summer camp\u002Fschool\u002Fkindergarten for children up to age of 15","Possibilities for building career-advancing skills by covering training\u002Fcertification courses and conferences based on individual learning and development needs","Access to an online learning platform","Opportunities for long-term professional development in a stable, 150-year-old company","Friendly and supportive multicultural environment",[74,75,76,77,78,79,80,81,82,83,84,85,86],"banking",[90],"samara street, 1706, sofia, bulgarien",[92],"Mladost, ul. \"Samara\", 1715 Sofia, Bulgarien",[94],"ulitsa \"Samara\"",[26],[97],"1715",[99],"Bulgarien",[27],"Wichtiger Hinweis: Bitte aktiviere JavaScript, um diese Seite uneingeschränkt nutzen zu können.\nvorherige Stelle\nnächste Stelle\n\n## Your tasks\n\n- Developing, training, and tuning machine learning models using prompt engineering, including reasoning tasks and configuring MCP setups for database and API access; creating and managing RAG databases; registering and orchestrating AI agents;\n- Working with data engineers to build robust data pipelines;\n- Deploying models into production environments or prototypes;\n- Ensuring models are reproducible and well-documented;\n- Selecting appropriate algorithms for specific business challenges;\n- Performing cross-validation and back-testing of models;\n- Adhering to ethical AI guidelines and data governance policies;\n- Explaining model results to business users;\n- Mentoring junior scientists on advanced techniques;\n- Supporting the team in achieving its goals.\n\n## Your Profile\n\n- High knowledge of Python;\n- Knowledge of various machine learning methods (e.g. trees, ensembles, neural networks, clustering, Splunk);\n- Previous experience in collecting, analyzing and interpreting large amounts of data;\n- Good understanding of MS SQL for data analysis and database optimalization;\n- Experience with Big Data platforms (Hadoop, Spark) is a plus;\n- Fluency in English;\n- University degree in IT or relevant.\n\n## In return, we offer:\n\n- Good work-life balance, including 25 days annual paid leave (increasing with 1 day per year up to 31 in total), flexible working hours, work-from-home and work from abroad opportunities;\n- Luxury package of additional health and dental insurance;\n- Food vouchers in the amount of EUR 80 monthly;\n- 6 additional annual days off for exceptional circumstances;\n- Employee assistance program for psychological, financial, and legal consultations;\n- Multisport card;\n- Annual contribution of EUR 153.39 net per child for a summer camp\u002Fschool\u002Fkindergarten for children up to age of 15;\n- Possibilities for building career-advancing skills by covering training\u002Fcertification courses and conferences based on individual learning and development needs, access to an online learning platform;\n- Opportunities for long-term professional development in a stable, 150-year-old company while contributing to the vision of a new, just starting Digital Technology Center;\n- Friendly and supportive multicultural environment, open to new opinions and ideas.\n\nCommerzbank is proud to be an equal opportunity employer, committed to creating a diverse environment. All qualified applicants will receive consideration for employment without regard to gender, race, color, national origin, religion, gender identity or expression, sexual orientation, genetics, disability, age, or any other characteristics.\n\n## Our Benefits\n\n- Work internationally\n- Work-life balance\n- Health& Dental Insurance\n- Multisport Card\n- 25 up to 31 annual paid leave\n- 6 Exceptional Days Off\n- Food vouchers\n- Employee assistance program\n- Children Summer Camp Contribution\n- Learning Platforms\n\nWork internationally; Work-life balance; Health& Dental Insurance; Multisport Card; 25 up to 31 annual paid leave; 6 Exceptional Days Off; Food vouchers; Employee assistance program; Children Summer Camp Contribution; Learning Platforms\n\nBookmark job ad\nPrint job ad\nShare job ad\n\n## The company\n\nCommerzbank is a leading international commercial bank with branches and offices in almost 50 countries. The world is changing, becoming digital, and so are we. We are leaving the traditional bank behind us and we are choosing to move forward as a digital enterprise.\n\nAs part of this strategy, Commerzbank continues the expansion of its Digital Technology Center in Sofia, Bulgaria. We need motivated people who will join us on this journey and we are looking for a\n\n**(Senior) Data Scientist**\n\nin our\n\n**flexhub**\n\nteam.\n\n## What is flexhub?\n\nWe are Commerzbank's internal delivery capability – a team of engineers, architects, analysts and experts working directly with business units. Unlike external consultancies, we are colleagues who stay. Based in Frankfurt, Sofia, and Łódź, we drive high-priority initiatives while building internal expertise that lasts.\n\n## What's in it for you:\n\nConsulting variety meets corporate stability. You join different teams across the bank when your expertise is needed, then move on to the next challenge. This approach helps you build strong internal know-how and gives you the chance to contribute to meaningful work – one initiative at a time – without sales targets or utilization pressure. No selling. Just a consistent focus on engineering solutions that matter.\n\n## Contact\n\nChallenge accepted?\n\nApply now with your up-to-date CV in English!\n\nDue to the high volume of applications, we contact only the candidates who best match the role requirements. If you do not hear from us within 14 days, please consider that we won't proceed with your application at this stage.\n\n## Verwandte Stellen\n\nBitte warten...\nvorherige Stelle\nnächste Stelle\nZurück\nTeilen über deinen Social Media Account\nKlicke auf eines der Icons:\nTeilen über Mail\nTeilen über Facebook\nTeilen über X\nTeilen über Xing\nTeilen über LinkedIn",{"spark":103,"hadoop":103,"ms sql":104,"python":105,"splunk":103},2,3,4,[39,40,41,42,43],{"mentoring":104,"communication":104,"teamwork":104},[44,45,46],{"ethical ai":104,"back-testing":104,"rag databases":104,"data pipelines":104,"data governance":104,"cross-validation":104,"machine learning":105,"model deployment":104,"prompt engineering":104,"ai agent orchestration":104},[47,48,49,50,51,52,53,54,55,56],{"detected_language_jobad":112,"required":113},"en",[114],[115],{"language":116,"level":117},"ENGLISH","C1",5,[120,121],"Information and Communications Technology Professionals","Science and Engineering Professionals",[120,121],"https:\u002F\u002Fjobs.commerzbank.com\u002Findex.php?ac=jobad&id=59730",1]