{"id":31000,"url":"https://alion.io/job/talan-big-data-developer","title":"Big Data Developer","company":{"id":3616,"name":"Talan","domain":"talan.com","url":"https://alion.io/company/talan","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":81,"open_postings":113,"ghost_share":0,"stale_share":0.973,"repost_share":0,"time_to_fill_p50_days":21,"computed_at":"2026-10-29T05:49:05Z"}},"role":"Data Science","role_family":"Data Science","seniority":"middle","employment_type":"full_time","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Madrid, Spain"],"countries":["ES"],"hiring_countries":["ES"],"hiring_countries_total":1,"salary":null,"salary_estimate":{"min_usd":40000,"max_usd":82000,"period":"year","method":"role_seniority_country_cell","sample_n":10},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agile","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Databricks","optional":false},{"name":"ETL/ELT","optional":false},{"name":"Git","optional":false},{"name":"GitHub","optional":false},{"name":"Java","optional":false},{"name":"Python","optional":false},{"name":"QlikSense","optional":false},{"name":"Scala","optional":false},{"name":"SonarQube","optional":false},{"name":"Spark","optional":false},{"name":"SQL","optional":false}],"status":"closed","first_seen_at":"2026-07-10T06:46:43Z","employer_posted_date":"2026-07-10","last_verified_at":"2026-10-28T13:43:11Z","board_verified":false,"closed_at":"2026-10-28T13:43:11Z","days_open":110,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":109},"description":"Join Us!\nWhy Talan?\nFor the 4th consecutive year, Talan Spain has been recognized as a Great Place to Work! This year, we’re also celebrating our 2nd certification in Poland, a significant milestone since opening our office there.\nTalan is an international advisory group specializing in innovation and transformation through technology, with 5,000 employees and an annual turnover of 600M€.\nWe offer our customers a continuum of services to support them at each key stage of their organization's transformation, with four main activities:\nCONSULTING in Management and Innovation: Supporting business, managerial, cultural, and technological transformations.\nDATA & TECHNOLOGY: Implementing major transformation projects.\nCLOUD & APPLICATION SERVICES: Building or integrating software solutions.\nSERVICE CENTERS of EXCELLENCE: Providing technology, innovation, agility, sustainability of skills, and cost optimization.\nTalan accelerates its clients' transformation through innovation and technology. By understanding their challenges and supporting them withtechnology, innovation, and data, we enable them to be more efficient and resilient.\n About the Role\nWe are looking for a Mid-Level Big Data Developer to join the Client Contribution Platform team. In this role, you will be responsible for developing, maintaining, and optimizing large-scale data processing solutions, ensuring high performance, scalability, and data quality across the platform.\nYou will work closely with both technical and business stakeholders in an Agile environment, contributing to the design and implementation of modern data engineering solutions while continuously improving existing processes.\nKey Responsibilities\nDesign, develop, and maintain ETL and data transformation processes.\nBuild, optimize, and support Spark-based data pipelines.\nDevelop scalable data processing solutions in a Big Data environment.\nIntegrate data from multiple sources while ensuring data quality and consistency.\nAnalyze, troubleshoot, and resolve data-related issues.\nOptimize data performance and processing efficiency.\nCollaborate with cross-functional teams to gather and refine business requirements.\nParticipate in Agile ceremonies and contribute to continuous improvement initiatives.\nFollow DevOps and CI/CD best practices throughout the development lifecycle.\nRequired Skills & Experience\n 3+ years of experience in software development and data engineering.\nStrong SQL knowledge (ANSI SQL, Hive SQL, Spark SQL, or equivalent).\nHands-on experience with Apache Spark and at least one of the following programming languages:Scala\nPython\nJava\n\nExperience working with Spark-based platforms such as:Azure Databricks\nAmazon EMR\nCloudera\nApache Hive\nor similar Big Data environments.\n\nExperience with Qlik Sense reporting and dashboard development.\nFamiliarity with Agile methodologies and DevOps practices.\nExperience with version control and CI/CD tools such as:Git\nGitHub\nSonarQube\nNexus\n\nStrong analytical and problem-solving skills.\nAbility to work collaboratively within a multidisciplinary team.\nAbility to understand, analyze, and improve business and technical requirements.\nEnglish level B2+ or above.\n Nice to Have\nInterest or experience in using AI-assisted development tools.\nKnowledge of AI-driven approaches for data engineering, automation, and analytics.\nExperience with process optimization through AI technologies.\n Permanent, full-time contract with career development opportunities.\nChance to work in a challenging, multicultural environment with international projects.\nExposure to large-scale financial IT systems and cross-country operations.\nTraining opportunities to develop new skills in finance, technology, and data management.\nIf you are passionate about development & tech, we want to meet you!\nTalan Spain’s commitment to non-discrimination based on gender, race, ideology, or any other reason, in accordance with the company’s \"Equality Plan\" and the current regulations on gender equality between women and men (Royal Decree-Law 6/2019).","description_format":"text","description_chars":4040,"description_truncated":false,"requirements":{"experience_years_min":3,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[{"language":"English","level":"Upper-Intermediate (B2)","optional":false}]},"benefits":[],"hiring_locations":[{"name":"Spain","iso":"ES","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["Web3 & dApps","IT Consulting & Digital Transformation","Management Consulting","AI Consulting & 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