freelance data science engineer python sql

Candidate brings significant expertise in the field of automation testing, particularly focusing on web automation using Selenium for over 4 years. With a track record of handling 15-16 web projects, they have showcased proficiency in automating web processes and testing scenarios. Their skills extend beyond web automation, encompassing desktop and mobile...

Location: İstanbul or Ankara Working Style: Hybrid Overview We are looking for a “Senior Business Solutions Consultant” to join our growing “Solutions Consulting” team! If you are fluent in both English and Turkish and passionate about analyzing business needs, we believe this opportunity could be a great fit for you. Who we are Sestek is a global...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an AI Agent Developer based in Turkey. This role offers the opportunity to design and deliver intelligent AI agents that transform how users interact with enterprise systems.You will build conversational experiences that automate...

Pricing Manager – Retail Banking (Value & Pricing)If you think you may take charge of the following responsibilities:• Ensure the execution of pricing strategies across products and segments for Retail Banking product families (deposits, loans, payments, packages, FX spreads)• Manage and optimize interest rates, fees, and commission structures on a...

Pricing Manager – Retail Banking (Value & Pricing)If you think you may take charge of the following responsibilities:• Ensure the execution of pricing strategies across products and segments for Retail Banking product families (deposits, loans, payments, packages, FX spreads)• Manage and optimize interest rates, fees, and commission structures on a...

What You’ll Be Doing Extracting, cleaning, and analyzing data from internal systems using SQL and/or SAS Conducting customer, segment, and transaction-based analyses to identify fee & commission revenue opportunities Generating actionable insights and translating them into business actions (e.g., targeting, campaign optimization, pricing...

OverviewOBSS is Turkey’s largest technology consultancy, pioneering product development and technology consulting for an AI-native future. With more than 20 years of experience and offices in Istanbul, Ankara, London, Amsterdam, and Baku, we empower leading companies in banking and finance, insurance, e-commerce, retail, and the start-up ecosystem. Our...

Team DefineX:DefineX is a next-generation consulting house and venture builder.We partner with changemakers to turn bold visions into real-world impact bridging the critical gaps from strategy to design, design to launch, and launch to scale.In the AI era, we help organizations build future-ready business models and capabilities with the rigor of consulting...

Team DefineX: DefineX is a next-generation consulting house and venture builder. We partner with changemakers to turn bold visions into real-world impact bridging the critical gaps from strategy to design, design to launch, and launch to scale. In the AI era, we help organizations build future-ready business models and capabilities with the rigor of...

OBSS is Turkey’s largest technology consultancy, pioneering product development and technology consulting for an AI-native future. With more than 20 years of experience and offices in London, Istanbul and Ankara, we empower leading companies in banking and finance, insurance, e-commerce, retail, and the start-up ecosystem. Our team of over 1000 talented...

The digital entertainment and iGaming world is entering a new era, driven by rapidly evolving technology and changing user expectations. This shift demands not only strong brands, but also integrated structures capable of leading them under a unified strategy. This is the vision that inspired the creation of NGAMING. Established in 2026 under Doğan Online...

Computer Vision & Machine Learning Engineer About the job Computer Vision & Machine Learning Engineer About Vispera As Vispera, we offer Image Recognition and Data Analytics-based retail execution and tracking services to the key players in the retail and FMCG industry. With our products Storesenseand Shelfsight and our exquisite customer service, we provide...

Qualifications and Job Description By using our local market and sector knowledge, we provide worldwide services with integrated logistics activities. We are a company in the management of people, not systems, and we believe it is /this value system that makes us so successful. Developing /growing up from a one-ship company and becoming a global company, we...

Jobtailor in Istanbul's Fatih district seeks a senior BI/ data engineer to design, build and optimize Power BI dashboards and semantic models that drive business decisions. You will develop scalable data pipelines using SQL, Oracle SQL, Alteryx, Python, and Microsoft Power Platform, integrate SAP/JDE/SharePoint/Azure/Databricks data, and champion data...

Get ready to take your place on n11, an open market platform has made valuable contributions to the e-commerce sector since its establishment by bringing more than 330 thousand registered business partners to customers. What You’ll Do Manage and mentor Product Owners, supporting their professional development and performance. Define and drive the...

Location: Ankara Other locations: Primary Location Only Date: Mar 17, 2026 Requisition ID: 1694389 At EY, we’re all in to shape your future with confidence. We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. The opportunity EY is a...

OBSS is Turkey’s largest technology consultancy, pioneering product development and technology consulting for an AI-native future. With more than 20 years of experience and offices in Istanbul, Ankara, London, Amsterdam, and Baku, we empower leading companies in banking and finance, insurance, e-commerce, retail, and the start-up ecosystem. Our team of...

ABOUT THE TEAM Uber Eats Trendyol Go, originally founded as the instant delivery arm of Trendyol, one of Turkey’s leading e-commerce platforms, was acquired by Uber to join forces in accelerating the future of local commerce and on-demand delivery. Born from a dynamic startup spirit, Uber Eats Trendyol Go connects local merchants, couriers, and customers...

About the Role We are looking for an experienced IT Operations & Monitoring Responsible to join our team in Bursa. In this role, you will be responsible for monitoring enterprise production systems, ensuring 24/7 operational continuity, detecting potential issues proactively, and supporting incident management processes in a mission-critical IT...

Join Us At Vodafone, we’re not just shaping the future of connectivity for our customers – we’re shaping the future for everyone who joins our team. When you work with us, you’re part of a global mission to connect people, solve complex challenges, and create a sustainable and more inclusive world. If you want to grow your career whilst finding the...