Data Scientist, Marketing Analytics

Sonar

Who is Sonar? Sonar is driving the future of agent-centric software development. As the leader in AI code verification and governance, we solve a critical problem: ensuring that software generated by AI-assisted developers or autonomous agents is reliable, secure, and maintainable. Integrating seamlessly with Claude Code, Codex, Cursor, GitHub Copilot, Gemini, and Devin, we help over 75% of the Fortune 100 build trusted, reliable, compliant software. Customers who use Sonar are 44% less likely to report an outage due to AI-generated code. We believe code verification is the critical missing link in the Agent-Centric Development Cycle (AC/DC). Industry giants like Nvidia, ServiceNow,Booking.com, Goldman Sachs, AstraZeneca, and Ford Motor Company count on us to provide independent, explainable, consistent review and governance of their AI-generated code via products like: SonarQube: The world’s leading AI code review and verification platform. SonarQube Foundation Agent: Currently topping the leaderboards for agentic software repair. SonarSweep & Sonar Context Augmentation: Providing the enterprise-grade context and constraints agents need to be truly effective. Our team operates across global hubs in Austin, Bochum, Dubai, Geneva, London, Singapore, Tokyo, and Washington D.C. We move with a mindset we call CODE: Committed to our customers and community. Obsessed with quality. Deliberate in our decisions. Effective as one team. With over $400M in revenue and profitable, fast-paced growth, we are building the backbone of the AI software revolution. If you’re hungry to have an impact, want to build at a fast pace, and ready to work at the forefront of AI, we want to hear from you. Position description This role is the data team's dedicated analytical partner for Marketing. Your core job is to turn marketing data into decisions: diagnose what is working and what is not, explain why, and recommend where to spend the next dollar. You will own marketing attribution, ROI, and conversion analysis end to end, and you will be proactive about it, surfacing findings and opportunities before anyone asks. You will explore data, form hypotheses, and partner with our Data and Analytics Engineers to shape the models and pipelines you need. You will help define those models, but your primary measure of success is the quality and impact of your analysis. This role sits in the Data & Insights team and partners closely with Marketing, IT/Marketing Ops, Data Engineers, Analytics Engineers, and data scientists covering other domains.

Ekimetrics

Senior Consultant/Analyst Data Science & Marketing Effectiveness - 2026   Ekimetrics is a global leader in Marketing Effectiveness and AI-powered solutions. Since 2006, we’ve been helping businesses optimise marketing and operations by combining AI with business and tech expertise across 4 domains: Marketing Effectiveness, Customer Analytics, Operational Excellence, ESG & sustainability.   With a full in-house team and offices in Paris, London, New York, Hong Kong, and Shanghai, we deliver tailor-made solutions that turn data into real positive impact, leveraging our unique combination of technology and services.   We excel at delivering AI impact at scale. Our mission is to harness this power to tackle the world’s most urgent issues. We commit to responsibility and frugality in AI, systematic AI impact at scale, and loyalty to our values and DNA.   Your responsibilities  As a Senior Analyst specialising in Data Science & Marketing Effectiveness, you will lead the delivery of high-impact MMM programmes for international clients across industries such as Auto, Beauty, Retail, and Financial Services. You will manage small teams, oversee end-to-end project delivery, and ensure actionable insights are delivered to clients.   Lead Projects ·        Lead end-to-end MMM and marketing effectiveness programs for international clients, from data strategy and collection to modelling, insights, and activation. ·        Apply econometrics, regression, Bayesian statistics, and machine learning methods to analyse marketing and customer data ·        Collaborate closely with Managers to understand the project scope, structure, analytical approaches, manage operations and ensure timely delivery. ·        Build dashboards and visualisation tools to communicate actionable insights using proprietary Ekimetrics frameworks and best practices. ·        Translate complex analytics into clear, business-oriented recommendations for senior stakeholders and C-suite clients. ·        Support clients in optimising marketing spend, understanding campaign performance, improving customer segmentation, and maximising ROI.   Client & Account Management ·        Serve as the day-to-day operational contact for clients, building trustful relationships and proactively identifying growth opportunities. ·        Present findings, recommendations, and actionable insights in client-facing workshops and executive presentations. ·        Collaborate closely with managers and partners to develop proposals for new or expanded work, aligned with Ekimetrics’ commercial offerings.   People & Project Leadership ·        Lead teams of 3–10 colleagues across multiple projects, ensuring high-quality delivery, client satisfaction, and profitability. ·        Mentor and develop junior team members, strengthening technical, analytical, and client-facing competencies. ·        Share best practices and contribute to internal knowledge management initiatives.   Practice & Business Growth ·        Identify opportunities for account growth and contribute to development with existing and prospective clients ·        Act as an ambassador of Eki culture by supporting transversal initiatives (e.g., Thought Leadership, Knowledge Management, Recruitment and Innovation. ·        Champion and role-model our core values: Curiosity, Creativity, Excellence, Transmission, Pleasure   Your profile Experience & Technical Skills ·        Strong 3–4 years’ experience in marketing effectiveness/MMM and analytics/data science ·        Bachelor’s or master’s degree in Statistics, Econometrics, Data Science, Economics, Applied Mathematics, Marketing Analytics, or related field. ·        Strong proficiency in Python, R, SQL, or similar tools. ·        Experience with Databricks, Azure, or other cloud/data platforms is a plus. ·        Solid understanding of econometrics, regression analysis, Bayesian statistics, or other advanced modelling techniques. ·        Experience translating data and model outputs into actionable business recommendations. ·        Comfortable handling large datasets, optimizing data pipelines, and delivering high-quality outputs   Leadership & Client-Facing Skills ·        Excellent communication and storytelling skills for senior stakeholders ·        Demonstrated ability to lead multiple project teams and manage priorities with autonomy ·        Strong strategic thinking, problem-solving mindset, and drive for continuous improvement ·        Supportive team player with a passion for talent development, coaching, and enabling team growth ·        Ability to contribute to impactful thought leadership and forward-thinking perspectives on measurement and marketing effectiveness.   Why join us? At Ekimetrics, your ideas truly matter. We embrace an entrepreneurial spirit, encouraging you to push boundaries while thriving in a collaborative environment. We believe in enjoying what we do and fostering a safe, inclusive space where you can bring your authentic self.   In 2023, Ekimetrics obtained “mission-driven company” status, reflecting our commitment to CSR. Our purpose: Accelerate organisations’ transformation towards sustainability through data science and AI.   We are proud to have been certified Great Place to Work© in France, the UK, and the US, with our Hong Kong office recognised as Best Companies to Work for in Asia 2023©. Ekimetrics is also part of the French Tech 120, selected among the top French scale-ups with potential for international leadership.   Career development and growth opportunities ·        Lead projects and develop advanced analytical and client-facing skills. ·        Structured career progression from Senior Analyst, Manager, Senior Manager and beyond. ·        Access to Eki.Academy, including solution-specific training, Climate School courses, and career development programs. ·        Exposure to international clients, multiple industries, and high-impact projects.   You will have access to : ·        Salary £60,000-£75,000 + Bonus 10% + Corporate bonus ·        Regular events and seminars to connect with colleagues ·        Modern office space in a central London location ·        Flexible hybrid working policy (2 days a week in office + 20 days’ work from anywhere, remotely) ·        25 days annual leave + bank holidays, plus an additional 3 days for tenure ·        Private healthcare, life insurance, and wellbeing support ·        Group pension scheme ·        Opportunities for international mobility and career development   As an employer, Ekimetrics offers equal employment opportunities to all, regardless of gender, ethnicity, religion, sexual orientation, social status, disability, or age. Ekimetrics strives to develop an inclusive work environment that reflects diversity within its teams.

Artefact

Join Artefact Belgium: Help our clients in their AI transformations WHO WE ARE Artefact is a next-generation consulting firm dedicated to transforming organizations through data and AI. We combine the rigor of top-tier strategy consulting with deep expertise in AI applications to help clients achieve tangible business impact. Our Belgium office advises clients on their most pressing strategic challenges : from AI strategy and governance to digital transformation roadmaps and new business model design. Our inclusive and forward-thinking culture encourages creativity, collaboration, and professional growth. WHAT YOU WILL DO As a Senior Data Scientist specializing in the marketing domain, you will lead and conduct ambitious projects aimed at transforming clients through data. Your day-to-day responsibilities will include: * Leading transformational projects: spearheading ambitious projects that utilize data to transform our clients’ operations and strategies. * Developing data science solutions: creating innovative data science products and solutions for both clients and our internal data science team. * Applying data science in marketing contexts: leveraging data science methodologies to enhance marketing analytics, customer segmentation, attribution modeling, and campaign optimization.  * Building client relationships: collaborating closely with your Consulting counterpart to understand client needs and strengthen relationships. * Upskilling the team: contributing to the development of our data science team by sharing knowledge, mentoring junior Data Scientists, and promoting our work within other data departments. * Ensuring quality deliverables: caring for team morale and ensuring that all missions are delivered to a high standard, providing feedback and support to less experienced team members. * Optimising code: writing highly optimized code to advance Artefact’s internal toolbox and knowledge base. WHAT YOU WILL LEARN WITH US: * Real-World impact: deliver impactful projects by developing end-to-end machine learning pipelines to solve real-world problems across various industries, including marketing and customer intelligence.  * Collaborative solutions: work in feature teams alongside other data scientists, ML engineers, data engineers, software engineers, and product owners to build complex solutions. * Software engineering improvement: enhance your software engineering skills by applying ML Ops best practices while working with machine learning teams. * Expertise development: become an expert in one of our data science practices: Time Series Forecasting, MLOps, NLP, Computer Vision, Optimization, or Customer Intelligence, including marketing analytics, attribution modeling, and incrementality testing. * Algorithm discovery: discover state-of-the-art algorithms and test them on real-world data during client projects. WHO YOU ARE We’re seeking someone who has: * Educational background: a completed Master’s degree in a relevant field (e.g., computer science, machine learning, mathematics, or related subjects). * Hands-On experience: at least 2-3 years of experience in data science, analytics, or consulting, preferably within a marketing or digital context. * Marketing or digital context experience: knowledge of various marketing channels and platforms, including their roles within the media mix is considered a plus.  * Technical skills: strong knowledge of data processing, algorithms, and data architecture, along with proficiency in tools like Python, SQL, and R. * Analytical mindset: a passion for working with data to derive actionable insights and solve complex problems. * Communication skills: excellent verbal and written communication skills, with the ability to discuss both technical and non-technical topics with clients and team members. * Curiosity and passion: a genuine interest in continuous learning and exploring new technologies and tools in data and AI. WHAT WE OFFER * Competitive compensation aligned with your profile and experience. * Hands-on exposure to real client challenges from day one, working alongside experienced strategy and data/AI practitioners. * Regular training in both strategy consulting methodologies and AI/data capabilities, combined with international exposure across Artefact's global network. * A collaborative, entrepreneurial culture of doers — innovative, fast-moving, and committed to supporting each other's growth. This position is based in Brussels, with opportunities to collaborate on projects worldwide. At Artefact Belgium, we value curiosity, motivation, and potential above all else. Don't worry if you don't tick every box — if you're excited about building a career at the frontier of strategy and AI, we'd love to hear from you