
Sway Sourcing Sweden Aktiebolag · Göteborg
📊 Senior Data Scientist Are you passionate about building production-grade optimization models and solving complex business problems with data? We are looking ...
📊 Senior Data Scientist
Are you passionate about building production-grade optimization models and solving complex business problems with data? We are looking for a Senior Data Scientist for an exciting consulting assignment in Stockholm. You'll join a cross-functional team where you'll help develop, maintain, and scale advanced optimization solutions in a modern cloud environment.
🚀 About the Role
As a Senior Data Scientist, you will work with advanced optimization, machine learning, and analytics to improve business processes and decision-making. You will collaborate closely with Data Scientists, ML Engineers, Product Managers, and other stakeholders to deliver scalable, production-ready solutions.
Key Responsibilities
Develop, maintain, and improve production-grade optimization models.
Build and enhance Linear Programming and Mixed Integer Programming solutions.
Prepare, transform, and integrate data from multiple sources.
Develop robust data wrangling and aggregation pipelines.
Deploy, monitor, and maintain machine learning solutions in Google Cloud Platform.
Implement MLOps best practices and CI/CD pipelines.
Perform data analysis and create insights to support business decisions.
Present analytical findings and collaborate with stakeholders to translate business needs into technical solutions.
Work in Agile cross-functional teams to continuously improve performance and scalability.
✅ Requirements
Strong experience with Linear Programming and/or Mixed Integer Programming.
Proven experience developing and deploying machine learning solutions in cloud environments, preferably Google Cloud Platform (GCP).
Excellent Python programming skills with experience writing clean, modular, and production-ready code.
Strong SQL skills for data manipulation and analysis.
Experience with MLOps, CI/CD, and production deployments.
Experience working with DBT and data transformation.
Strong analytical and problem-solving skills.
Experience working in Agile environments.
Excellent communication and collaboration skills.
Professional proficiency in English.
🌟 We believe you are
Analytical and solution-oriented.
Comfortable working with complex datasets and optimization problems.
A collaborative team player who enjoys sharing knowledge.
Passionate about building scalable and reliable data solutions.
📍 Location: Stockholm 📅 Assignment Period: 2026-08-17 – 2027-03-31 🕒 Extent: Full-time (100%) 🏢 Work Model: Hybrid (up to 30% remote)
Sway Sourcing är en innovativ rekryteringspartner som specialiserar sig på att matcha rätt talang med rätt företag – snabbt och effektivt. Vårt huvudfokus ligger inom Ekonomi, Administration, HR, Marknad och IT, men vi har även den breda expertis och flexibilitet som krävs för att leverera skräddarsydda rekryteringslösningar inom alla branscher.
Trots att vi är en relativt ny aktör har vi redan byggt förtroende hos många av Sveriges största företag och arbetar både nationellt och internationellt. Med baser i Sverige och Spanien erbjuder vi en unik kombination av lokal expertis och global räckvidd. Vårt starka nätverk och djupa branschinsikter gör oss till en självklar partner för företag som vill ligga steget före i sin rekrytering.
Fitify combines the experience of fitness coaches with the latest technology to enable millions of healthy lifestyle changes. We’re a fast-growing team based in Prague, expanding to US. We’re looking for people keen to work in a fast-paced, data-driven company and are eager to have a direct impact on people’s well-being. Our team comes from various backgrounds and fitness levels - what we share is a craving to build something truly meaningful. As a part of Fitify, you’ll have the opportunity to build a product that is already used by more than 20 million people and use your skills to create a special fitness experience for each one of them. On top of that, you’ll be building the next billion-dollar fitness company from the heart of Europe 🦄 What we offer: 🤩 Great product with a positive impact (millions of healthy lifestyle changes and still counting) 🌎 Seed-stage startup with huge potential (~25 employees neck & neck with apps by Nike, Adidas, or Fitbit...) 📊 Data as a core of our decision-making process 💰 Global unicorn ambition, competitive salary, and employee stock options (ESOP) to be opened soon 🔑 Key role in the company 💪 Multisport card (free leisure and exercise facilities) 🪑 Cool office with gym, cafe, and the greatest rooftop in the center of Prague (Národní Třída) Your role: Enhance and validate marketing attribution and LTV prediction models Assist the product team with obtaining insights from our product and marketing data stored in BigQuery Build visual dashboards in Data Studio using our data source Run evaluation of A/B tests in Python, come up with hypotheses worth testing Constantly seek areas for product and marketing funnel improvements Your closest teammates will be Matouš and Štěpán 👋 Your profile: Paid Internship (with a possibility to go Part-/Full-time) Based in Prague (home office up to 50%) SQL skills and analytical mindset Experience with data visualization (we are using Data Studio) Experience with ETL tools (we are using Matillion ETL for BigQuery) Experience with R/Python is a plus Interest in ML is a plus Interest in fitness & wellness is a plus Want to know more about us? Download Fitify, and read the story of Fitify on Forbes (CZ)
Join Pigment: The AI Platform Redefining Business Planning Pigment is the AI-powered business planning and performance management platform built for agility and scale. We connect people, data, and processes in one intuitive, feature-rich solution, empowering every team—from Finance to HR—to build, adapt, and align strategic plans in real time. Founded in 2019, Pigment is one of the fastest-growing SaaS companies globally. Industry leaders like Unilever, Snowflake, Siemens, and DPD use Pigment daily to make more informed decisions and confidently navigate any scenario. With a team of 600+ across Paris, London, New York, Toronto, San Francisco and Austin, we've raised nearly $400M from top-tier investors and were named a Visionary in the 2024 Gartner® Magic Quadrant™ for Financial Planning Software. At Pigment, we take smart risks, celebrate bold ideas, and challenge the status quo—all while working as one team. If you're driven by innovation and ready to make an impact at scale, we’d love to hear from you. 🚀 The Opportunity: Join our Product Community team as a Frontend Software Engineer and play a key role in shaping cutting-edge user experiences! You'll work on exciting, high-impact projects ranging from AI-powered features to rich data visualizations while collaborating closely with talented backend engineers and product managers. Here’s why this is an exciting opportunity: ✨ Innovate with AI: Implement intelligent features that guide users and streamline complex workflows. 📊 Visualize Complex Data: Build and optimize advanced data visualizations like charts, maps, and real-time dashboards. 🎨 Shape the Design System: Influence and maintain our proprietary design system to deliver consistent, high-performance UIs.🔍 Tackle Real Challenges: Solve complex problems involving large datasets, real-time updates, and system performance. 📈 Drive the Future: Be part of a forward-thinking team that embraces new technologies and continuous learning. If you're passionate about building elegant, scalable UIs and enjoy collaborating across teams, this is the perfect place to grow your career! Who You Are: We value strong software engineering skills and a proactive mindset. You should be able to translate complex functional requirements into elegant designs and high-quality code. You are also comfortable working across teams to ensure the frontend experience aligns with backend capabilities. In any case, you have: Strong experience as a software engineer working on production systems. Proven expertise in building scalable UIs with React and TypeScript. A track record of collaborating with backend engineers to shape API design and optimize data consumption. Experience working with design systems, performance optimization, and handling large datasets. Strong communication skills and a problem-solving attitude. A good dose of humility and the willingness to grow (no matter your seniority!). A fluent level in English (French is not required). Your Responsibilities: Build and maintain user interfaces for client-facing features, ensuring high-quality and performant UI delivery. Collaborate with backend engineers and product managers to design, develop, and deliver new features while offering technical input on API design and data handling. Implement and enhance AI-driven capabilities that assist users with complex workflows (e.g., generating actionable insights). Develop advanced data visualizations (charts, maps, dashboards) that provide users with real-time, interactive insights. Contribute to and maintain our internal design system, including custom caching mechanisms and advanced state management solutions. Continuously balance delivering new features with ongoing maintenance and performance optimization. Proactively identify and resolve issues while ensuring continuous delivery and improving technical processes. Current Projects You'll Work On: AI Capabilities: Implementing intelligent features that guide users and enhance their workflows. Data Visualizations: Building and optimizing rich, interactive views to present complex datasets clearly and efficiently. Design System: Maintaining and evolving our proprietary design system to improve development speed and UI consistency. Technology Migration: Evaluating and adopting new technologies to keep our platform modern and efficient. Technical Challenges: Balancing feature delivery with system maintenance and performance improvements. Implementing real-time updates and managing large-scale data visualizations. Collaborating across teams to influence API design and ensure seamless frontend-backend integration. Our Tech Stack: Languages & Frameworks: React (TypeScript) Testing Tools: Vitest (unit testing), Cypress (E2E testing) Build Tools: Vite (for local development and production bundling) Custom Solutions: Internal design system, advanced caching mechanisms, and proprietary state management built on top of open-source technologies. About the Team: Mission: Deliver client-facing features that enhance the user experience while providing technical leadership and guidance on UI decisions. Structure: Product Community is a collaborative group of teams (e.g., AI, Views) responsible for different areas of the product. Engineers are encouraged to share knowledge and can move across squads based on their interests. Size: Approximately 30 engineers across the Product division, working in small, focused squads with a mix of frontend and backend specialists. Collaboration: Regularly engage with backend engineers, product managers, and designers to deliver robust, user-centric solutions. #LI-REMOTE #LI-CK1
Join Pigment: Transforming Business Planning and Performance with AI Founded in 2019, Pigment stands out as one of the fastest-growing SaaS companies globally, redefining business planning and performance with our AI-powered platform. We empower organizations across diverse industries, including Consumer Packaged Goods, Retail, and Technology, to seamlessly integrate data, people, and processes, enabling them to plan and adapt rapidly. With a vibrant team of over 500 professionals across North America and Europe, and offices in New York, Toronto, London, Paris, and the Bay Area, Pigment has successfully secured nearly $400 million in funding from leading global venture capitalists. Our recognition as a Visionary in the 2024 Gartner® Magic Quadrant™ for Financial Planning Software underscores our commitment to excellence, as we proudly partner with industry leaders like Unilever, Vinci, Kayak, Siemens, and Coca-Cola. At Pigment, we champion smart risks, celebrate bold ideas, and challenge the status quo—all as a united team. Every team member has the opportunity to make a significant impact and tackle ambitious challenges. Together, we pursue excellence with a collaborative spirit, continuously raising the bar to ensure strong performance and a proactive approach while fostering an environment of humility. If you are passionate about innovation and wish to collaborate with some of the brightest minds in the industry, we would love to hear from you! 🚀 The Opportunity: Join our Product Community team as a Frontend Software Engineer and play a key role in shaping cutting-edge user experiences! You'll work on exciting, high-impact projects ranging from AI-powered features to rich data visualizations while collaborating closely with talented backend engineers and product managers. Here’s why this is an exciting opportunity: ✨ Innovate with AI: Implement intelligent features that guide users and streamline complex workflows. 📊 Visualize Complex Data: Build and optimize advanced data visualizations like charts, maps, and real-time dashboards. 🎨 Shape the Design System: Influence and maintain our proprietary design system to deliver consistent, high-performance UIs.🔍 Tackle Real Challenges: Solve complex problems involving large datasets, real-time updates, and system performance. 📈 Drive the Future: Be part of a forward-thinking team that embraces new technologies and continuous learning. If you're passionate about building elegant, scalable UIs and enjoy collaborating across teams, this is the perfect place to grow your career! Who You Are: We value strong software engineering skills and a proactive mindset. You should be able to translate complex functional requirements into elegant designs and high-quality code. You are also comfortable working across teams to ensure the frontend experience aligns with backend capabilities. In any case, you have: - Strong experience as a software engineer working on production systems. - Proven expertise in building scalable UIs with React and TypeScript. - A track record of collaborating with backend engineers to shape API design and optimize data consumption. - Experience working with design systems, performance optimization, and handling large datasets. - Strong communication skills and a problem-solving attitude. - A good dose of humility and the willingness to grow (no matter your seniority!). - A fluent level in English (French is not required). Your Responsibilities: - Build and maintain user interfaces for client-facing features, ensuring high-quality and performant UI delivery. - Collaborate with backend engineers and product managers to design, develop, and deliver new features while offering technical input on API design and data handling. - Implement and enhance AI-driven capabilities that assist users with complex workflows (e.g., generating actionable insights). - Develop advanced data visualizations (charts, maps, dashboards) that provide users with real-time, interactive insights. - Contribute to and maintain our internal design system, including custom caching mechanisms and advanced state management solutions. - Continuously balance delivering new features with ongoing maintenance and performance optimization. - Proactively identify and resolve issues while ensuring continuous delivery and improving technical processes. Current Projects You'll Work On: - AI Capabilities: Implementing intelligent features that guide users and enhance their workflows. - Data Visualizations: Building and optimizing rich, interactive views to present complex datasets clearly and efficiently. - Design System: Maintaining and evolving our proprietary design system to improve development speed and UI consistency. -Technology Migration: Evaluating and adopting new technologies to keep our platform modern and efficient. Technical Challenges: - Balancing feature delivery with system maintenance and performance improvements. - Implementing real-time updates and managing large-scale data visualizations. - Collaborating across teams to influence API design and ensure seamless frontend-backend integration. Our Tech Stack: - Languages & Frameworks: React (TypeScript) - Testing Tools: Vitest (unit testing), Cypress (E2E testing) - Build Tools: Vite (for local development and production bundling) - Custom Solutions: Internal design system, advanced caching mechanisms, and proprietary state management built on top of open-source technologies. About the Team: - Mission: Deliver client-facing features that enhance the user experience while providing technical leadership and guidance on UI decisions. - Structure: Product Community is a collaborative group of teams (e.g., AI, Views) responsible for different areas of the product. Engineers are encouraged to share knowledge and can move across squads based on their interests. - Size: Approximately 30 engineers across the Product division, working in small, focused squads with a mix of frontend and backend specialists. - Collaboration: Regularly engage with backend engineers, product managers, and designers to deliver robust, user-centric solutions. #LI-HYBRID #LI-CK1