freelance data science engineer python sql

DescriptionAbout BOIBOI partners with large, ambitious organizations to design and build applied AI products that create measurable business impact. We help enterprise and scale-up clients move beyond experimentation by embedding AI directly into their operations, decision-making, and products. Our work spans industries, but always centers on...

About Nue.io Nue.io is a next-generation CPQ and revenue automation platform designed for modern SaaS and subscription-based businesses. Our mission is simple: empower go-to-market teams to move faster, close smarter, and scale with confidence. With an elegant, no-code interface and deep Salesforce integration, we streamline the entire quote-to-revenue...

Company DescriptionAbout SutherlandArtificial Intelligence. Automation. Cloud engineering. Advanced analytics. For business leaders, these are key factors of success. For us, they’re our core expertise. We work with iconic brands worldwide. We bring them a unique value proposition through market-leading technology and business process excellence.We’ve...

We are seeking a hands-on mid/senior Backend Engineer with serious DevOps chops to help drive our platform forward. You'll sit at the intersection of application code and infrastructure — writing services, shaping pipelines, and owning how things run in production on Azure. This role is crucial for driving our technology strategy forward, focusing on...

Join us in bringing joy to customer experience.  Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.    Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an...

PayJoy, a Public Benefit Corporation, is a mission-first credit provider dedicated to helping under-served customers in emerging markets to achieve financial stability and success. Our patented technology for secured credit provides an on-ramp for new customers to enter the credit system. Through PayJoy’s point-of-sale financing and card offerings,...

Usaquen, Colombia | Posted on 08/06/2026We are looking for a Senior QA Engineer with strong experience in reporting, analytics, and data validation to ensure the quality, accuracy, performance, and reliability of reporting systems and analytics platforms.This role will focus on testing reporting dashboards, data warehouses, ETL processes, data pipelines, and...

Full-timeCompany DescriptionJob DescriptionAbout YouYou are a Senior Full Stack Engineer with a strong backend focus who enjoys building scalable, reliable, and high-performing applications. You thrive working within established architectures, quickly understanding existing codebases, and delivering production-ready solutions with minimal guidance.You are...

Job Description About You You are a Data Quality Assurance Engineer who enjoys ensuring the accuracy, completeness, and reliability of data across complex data environments. You have hands-on experience validating high-volume datasets, testing ETL processes, and using SQL to identify data inconsistencies and verify expected results. You are analytical,...

INDI is seeking an ETL/Data Engineer to design and implement advanced data processing systems and ETL pipelines that convert raw data into actionable business insights.You will collaborate with analysts and business teams, build scalable data architectures, and ensure data quality while optimizing storage and performance. The role emphasizes cloud-based...

Overview: The AI Prompt Engineer and Fine-Tuner is responsible for optimizing the interactions with AI language models. This role involves crafting effective prompts to elicit desired responses from the model and fine-tuning the model's responses for specific use cases. The ideal candidate will have a strong understanding of AI language models, natural...

Company DescriptionVichara is a Financial Services focused products and services firm headquartered in NY and building systems for some of the largest i-banks and hedge funds in the world.Job DescriptionKey Responsibilities🔹 Architecture & System DesignArchitect, design, and lead multi-agent LLM systems using LangGraph, LangChain, and Promptfoo for prompt...

Join to apply for the Senior Software Engineer (Colombia) role at Sezzle 1 day ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. The salary range for this role is $5,000 - $8,500 per month (Gross in USD) About Sezzle With a mission to financially empower the next generation, Sezzle is revolutionizing the...

PayU Bogota, D.C., Capital District, Colombia 1 day ago Be among the first 25 applicants About the Role As a Senior Software Engineer, you will develop distributed backend services for high‑scale, cloud‑based solutions in the fintech and payments ecosystem. You will lead by example in technical excellence, own the technical architecture and design of...

WHAT WE DO Founded in 2007, Growth Acceleration Partners (GAP) is a consulting and technology services company. We consult, design, build and modernize revenue-generating software and data engineering solutions for clients. With modernization services and AI tools, we help businesses achieve a competitive advantage through technology. GAP’s remote,...

WHAT WE DO Founded in 2007, Growth Acceleration Partners (GAP) is a premier consulting and technology services company built for the AI era. We consult, design, build, and modernize revenue-generating software and data engineering solutions. By leveraging AI-native architectures, advanced data analytics, and deep modernization strategies, we help businesses...

Please note that we will never request payment or bank account information at any stage of the recruitment process. As we continue to grow our teams, we urge you to be cautious of fraudulent job postings or recruitment activities that misuse our company name and information. Please protect your personal information during any recruitment process. While Monks...

At TTEC Digital, we coach clients to ensure their employees feel valued, and fully supported, because an amazing customer experience is an employee first process. Our vision is the same, a place where employees know they can thrive. As a Conversational AI Engineer specializing in Gemini Enterprise for Customer Experience (GECX), you will design, deploy, and...

About ToolsGroupToolsGroup is a global leader in retail and supply chain planning, helping businesses navigate uncertainty and complexity with AI-powered solutions. Our platform enables real-time inventory visibility, demand planning, and service level optimization—ensuring the right products are in the right place at the right time. With ToolsGroup,...

Put your creativity to work: Kickstart your career at BCD M&E  Azure Data Lake (ADLS) Data Platform Specialist (Remote) Full time, Bogota, Colombia   We are seeking an experienced Azure Data Platform Engineer to design and implement a scalable, secure, and high-performing data platform. This role will be instrumental in integrating data from multiple...