freelance data science engineer python sql

**My responsibilities:** The BI Developer (Backend) at ALDI designs, builds, and maintains robust, scalable data pipelines and backend analytics components that transform raw data into trusted, well-modelled, and high-quality datasets. Enables downstream reporting, dashboards, and analytical use cases by partnering with product teams, data owners, and...

We’re hiring a Solution Engineer to own the technical build behind new retail pricing & promotions (P&P) implementation projects. You’ll configure the P&P platform, tune forecast and attribution models, and design integrations using SQL, Python, or Go for custom business logic. German C1 is essential. Budapest / Remote Full-time Full employment ##...

Home - Learn More - Help You are viewing a preview of this job. Log in or register to view more details about this job. Software Engineering Intern - Summer 2027 Medtronic Email **CAREERS THAT CHANGE LIVES** Careers that change lives start here. Medtronic is a global leader in healthcare technology with a Mission to alleviate...

**Job Description** **General Info** We are developing a breakthrough imaging and 3D technology platform currently under provisional patent. Our Budapest engineering team works at the edge of what mobile hardware and modern AI make possible, in a well-funded, non-corporate environment built around craftsmanship and technical excellence. As Senior...

We're seeking someone to join our Prime Brokerage Data team as a Senior Software Engineer in Institutional Securities Tech. Data Fabric is an API-first platform where producers publish once and distribute governed datasets to multiple endpoints. Metadata-as-code synchronizes to the firmwide data catalogue, automating onboarding, schema control, SLAs,...

We're seeking someone to join our Prime Brokerage Data team as a Senior Software Engineer in Institutional Securities Tech. Data Fabric is an API-first platform where producers publish once and distribute governed datasets to multiple endpoints. Metadata-as-code synchronizes to the firmwide data catalogue, automating onboarding, schema control, SLAs,...

Ready to make a significant impact within a leading global financial institution? Bring your exceptional engineering talent to Citi's esteemed Quantitative Analysis team. At Citi, you'll join an organization profoundly committed to being a trusted partner, delivering financial services that responsibly drive growth and economic progress for clients...

**Job Description** **General Info** ***This position is on-site in Budapest and requires EU residency or an exiting EU work visa.*** We are developing a breakthrough imaging and 3D technology platform currently under provisional patent. The Senior Backend Systems Engineer builds and maintains the production server software that delivers this platform to...

**Start:** September 2026 **Duration:** Until December 31st 2026 **Location:** Hybrid (up to 80% remote work possible) | Occasional on-site meetings in Budapest **Workload:** Full-time Further development of modern financing solutions in the private customer sector for an international client. Work in an agile team with a focus on data pipelines and...

**WHO WE ARE** PEAK6 Capital Management is a proprietary options trading firm that has been defining the industry for more than 25 years. While many firms have come and gone, PEAK6 Capital Management has consistently delivered liquidity to the options market. We thrive due to our firm’s special blend of financial acumen, ability to manage risk, and...

**Job Description** **General Info** We are building next-generation computational photography and spectral analysis tools grounded in proprietary ML/DL methods (provisional patent filed). Our platform turns ordinary smartphone cameras into precision scientific instruments, delivering advanced image analysis through a polished consumer application. Our...

Company DescriptionHiflylabs is a Budapest-based company. We have 250+ employees at this moment and we are constantly thriving. Our application development team and business intelligence experts work to provide effective solutions to business problems.Our professional team has proved its expertise through 10 years of experience, participating in multiple...

Our client is a precision health company leveraging advanced data analytics, genomics, and medical expertise to deliver personalized health insights and prevention strategies. They are seeking an experienced Lead Backend Engineer to design, develop, and deploy scalable cloud-based backend services, mentor a development team, and ensure the reliability and...

JOB TITLE: **Platform Engineer (SRE III) - India** JOB STATUS: Full-Time DEPARTMENT: Platform Engineering REPORTS TO: Senior Manager, Platform Engineering **About Vista Equity Partners** Vista Equity Partners is a leading global investment firm focused exclusively on enterprise software, data, and technology-enabled businesses. With over...

About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for travel, launched Agoda to make it easier for everyone to explore the world. Today, we are part of Booking Holdings [NASDAQ: BKNG], with a diverse team of over 7,000 people from 90 countries, working...

We are looking for a **Senior Cloud-Native Python Developer** who is passionate about building scalable, resilient, and observable cloud-native applications. The ideal candidate will possess a deep understanding of cloud-native development principles and demonstrate the ability to apply these principles to the design and development of cloud-based...

**Senior C++ Software Engineer – ML Pipeline Integration** **Job Description** **General Info** ***This position is on-site in Budapest and requires EU residency or an existing EU work visa.*** We are developing a breakthrough imaging and 3D technology platform, currently under provisional patent, built around a highly advanced imaging and analysis...

Deine Aufgabe Wir suchen einen talentierten und erfahrenen Data Architect für unser Team in Budapest. Der/die erfolgreiche Kandidat:in wird eine zentrale Rolle bei der Gestaltung unserer Datenlandschaft über mehrere Value Streams hinweg spielen. Die Rolle erfordert tiefgreifende Expertise in Datenintegration, Datenmodellierung und Analytical Engineering....

Deine Aufgabe Wir suchen einen talentierten und erfahrenen Data Architect für unser Team in Budapest. Der/die erfolgreiche Kandidat:in wird eine zentrale Rolle bei der Gestaltung unserer Datenlandschaft über mehrere Value Streams hinweg spielen. Die Rolle erfordert tiefgreifende Expertise in Datenintegration, Datenmodellierung und Analytical Engineering....

Deine Aufgabe Wir suchen einen talentierten und erfahrenen Data Architect für unser Team in Budapest. Der/die erfolgreiche Kandidat:in wird eine zentrale Rolle bei der Gestaltung unserer Datenlandschaft über mehrere Value Streams hinweg spielen. Die Rolle erfordert tiefgreifende Expertise in Datenintegration, Datenmodellierung und Analytical Engineering....