GridOS Database Modelling Engineer

Join the Market Leader in Electric Power Data and Analytics Solutions
The electrical grid is the largest and most complicated machine ever built. Yes Energy’s industry-leading electric power trading analytics software provides real-time visibility into the massive amount of data generated by the North American electrical grid daily. Our unique and innovative view of the data informs real-time trading decisions and mid-to-long-term investment decisions that keep utility prices low, support the energy transition, and keep the grid running. It’s both challenging work and work with a purpose.

Be a part of our successful, growing business during international transformation.
Position Summary
This role is on the Forecasting Data Science team and combines research with productized model delivery in a forecasting SaaS environment. Based in our Bucharest office, you will partner closely with Forecast Analysts in an operational capacity—managing daily model configurations, runtime monitoring, and exception handling—alongside Product and Engineering teams. You will ensure models are accurate, reliable, and usable in production-grade services, bridging the gap between data exploration and robust operational systems.

Position Details

• Salary Range: Net 14.000 – 18.000 RON/month
• Location: Bucharest, Romania
• Full-time
• Hybrid - 2 days in the office
• Reporting to: Engineering Manager

Primary Responsibilities

• Build and scale Python-based libraries and pipelines for data extraction, feature engineering, and supervised learning.
• Support daily forecasting operations, including runtime monitoring, exception handling, and model configuration.
• Collaborate with Engineering to ensure robust handoff of research models into production systems.
• Independently tackle moderately complex problems using data patterns to pinpoint root causes.
• Design and implement scalable, well-reasoned solutions that consider the business impact on power market participants.
• Participate in research and development to improve model accuracy in a forecasting SaaS environment.
• Communicate technical workflows and performance metrics clearly to stakeholders and cross-functional partners.
• Document model methodologies and operational workflows to maintain high standards of system reliability.

Minimum Qualifications

• 3+ years of professional experience in data science, specifically focused on predictive modeling or forecasting.
• Master’s degree in a quantitative field (e.g., Statistics, Mathematics, Data Science, or Computer Science).
• Advanced proficiency in Python and SQL for data manipulation and model development.
• Demonstrated experience with machine learning frameworks and production-grade data pipelines.
• Ability to work effectively in an operational capacity, managing real-time model performance and troubleshooting.

Preferred Qualifications & Key Competencies

• Problem Solving: Independently solves moderately complex problems by pinpointing root causes and proposing scalable, well-reasoned solutions.
• Systems Thinking: Takes a holistic view of how data, models, and technology interact within the forecasting ecosystem.
• Econometrics & Statistics: Applies rigorous mathematical techniques to analyze economic data and generate precise forecasts.
• Artificial Intelligence: Skill in selecting and applying appropriate AI models to enhance decision-making and create value.
• Effective Communication: Translates complex data findings into actionable insights for both technical and non-technical audiences.
• Prioritization: Balances the demands of daily operations with long-term research and development goals.
• Programming Languages: Familiarity with programming languages such as Fortran and C# is considered a plus
• Energy Industry Knowledge: (Preferred) Experience with power markets or grid infrastructure is highly beneficial.

At Yes Energy, we value connecting directly with candidates. We kindly ask that third-party recruiters and agencies not submit resumes, as we are not open to external recruiting partnerships.
Overview
ABOUT YES ENERGY
Yes Energy delivers real-time market data and electric power trading decision solutions. Over 1,000 market participants use Yes Energy solutions daily. The business is a leader in all aspects of information content collection and management, developing and delivering data and market analytics solutions. Since its inception in 2008, Yes Energy has become a trusted and respected supplier of innovative and reliable solutions focused on the needs of power market analysts, traders, and trade managers. Yes Energy has a team of over 350 amazing professionals in Boulder, CO (HQ); Boston, MA; Chicago, IL; Glendora, CA; Richmond, VA; London, United Kingdom; Auckland, New Zealand; and Bucharest, Romania.

Culture
Yes Energy has been named one of the Best Places to Work in Colorado, and we have the culture to prove it. At Yes Energy, we care about saying “Yes” to customers. We like to listen, learn, and develop our solutions in line with their needs. We think about customers as business partners, and when we help them be more successful … we are more successful, too.

Around the office, our culture is driven by some pretty fundamental values that we’re proud of:

• We love innovation and solving tough challenges;
• We are “high standards people” who combine passion and pride with hard work and rewards of all kinds-- in an ethic that is consistent across the company.
• We’re team-focused with a flat hierarchy-- we work in small teams on well-defined projects that directly impact the success of the business;
• We play to the strengths and experience of each person while each of us also works along a continuum of roles adjacent to our focus area. This presents the challenge of maintaining a broad set of skills as well as an opportunity to learn and contribute in many ways.
• We are constantly growing. Professional development happens every day and every year.

Compensation And Benefits
We offer highly competitive salaries and real bonuses that are achievable and that you can impact. Our benefits package includes private medical insurance, wellness/gym benefits, flexible vacation, and flexible work schedules. Yes Energy encourages and funds investment in both formal and informal professional development.

Yes Energy provides equal employment opportunities to all employees and applicants without regard to race, color, religion, sex, national origin, age, disability, genetics, or any other protected status. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, compensation, and training.

Company Description
Inetum is a European leader in digital services. For businesses, public sector organizations, and society as a whole, the group’s 26,000 consultants and specialists work every day to create tangible digital impact: solutions that contribute to performance, innovation, and the common good.

With a presence in 19 countries, working closely with local communities, and alongside its major software developer partners, Inetum supports organizations in their digital transformation challenges with proximity, flexibility, and responsibility. Driven by its purpose, Inetum champions a vision of technology that is useful and well-managed, capable of unlocking the full potential of organizations and society: “Let’s make tech right.”

In 2025, the group generated revenue of 2.2 billion euros.

More information at: www.inetum.com

Job Description
We are looking for a Senior Informatica Developer to support a strategic initiative focused on reducing technical debt, optimizing integration performance, and standardizing Informatica solutions across the enterprise landscape.

Key Responsibilities

• Refactor and optimize complex Informatica interfaces and ETL workloads
• Apply Informatica best practices to existing integrations and retrofit activities
• Support the migration of Data Quality (DQ) rules to the new EVO functionality within MDM Hub
• Analyze and improve performance of Informatica processes and interfaces
• Collaborate with technical teams to ensure scalable, maintainable, and compliant solutions
• Produce and maintain technical documentation in line with compliance standards

Qualifications

• 5+ years of experience with Informatica development
• Strong experience in Informatica performance tuning and optimization
• Knowledge of Informatica Data Quality (DQ) rules and frameworks
• Experience with complex ETL processes and interface development
• Proven experience in refactoring and modernizing legacy integrations
• Experience creating technical documentation aligned with compliance requirements
• Strong English communication skills

Nice to Have

• Experience with Informatica MDM / MDM Hub
• Knowledge of the EVO feature
• Experience in pharma or life sciences environments
• Exposure to data governance and master data management initiatives

Benefits
Additional Information

• Full access to foreign language learning platform
• Personalized access to tech learning platforms
• Tailored workshops and trainings to sustain your growth
• Medical insurance
• Meal tickets
• Monthly budget to allocate on flexible benefit platform
• Access to 7 Card services
• Wellbeing activities and gatherings

Contexte et environnement
About The Company
TotalEnergies is a global multi-energy company that produces and markets energies: oil and biofuels, natural gas and green gases, renewables and electricity. Our more than 100,000 employees are committed to energy that is ever more affordable, cleaner, more reliable and accessible to as many people as possible. Active in more than 130 countries, TotalEnergies places sustainable development in all its dimensions at the heart of its projects and operations to contribute to the well-being of people.

TotalEnergies Global Services Bucharest is the Shared Service Center in Romania within TotalEnergies. We are delivering services for 4 main accounting processes (P2P, O2C, R2R, Financial Statements and Cash Management) to TotalEnergies affiliates across 4 business lines (Exploration & Production, Refining & Chemicals, Marketing & Services, and Renewables) in more than 50 countries spread over Europe and Africa, as well as offering integrated global IT services.

Our workplace is inclusive: all qualified applicants will receive equal consideration for employment without regard to race, color, ethnicity, gender identity, sexual orientation, disability, religion or age.

We are committed to providing accessible workplace where everyone can succeed

Community involvement
Take part in Action!: our volunteering program where you can dedicate up to 3 days of your working time per year to support local citizenship initiatives and causes that resonate with you

Activités

• Identify, assess, and implement Generative AI and Machine Learning use cases to improve productivity and process efficiency.
• Design AI-powered solutions for reporting, knowledge management, document processing, anomaly detection, forecasting, and workflow optimization.
• Evaluate AI tools, platforms, and technologies and provide recommendations based on business needs.
• Lead end-to-end automation initiatives leveraging Power Platform, RPA, Power Automate, AI Builder, Copilot technologies, and other enterprise tools.
• Monitor automation performance and continuously optimize implemented solutions
• Drive AI and digital transformation initiatives supporting TGSB strategic objectives.
• Ensure analytical, automation, and AI solutions deliver measurable business value
• Responsible for developing and implementing standard reports, transactional billing templates and in-depth analysis of data to help identify trends, opportunities and solutions based on the analysis;
• Develop and implement business standard reports using methods in data mining, trend analysis and modeling; in-depth analysis of data using data analytics methods;
• Collaborates with stakeholders to identify reporting needs;
• Take part in the development and enhancement of standard reporting models to translate business needs into analytics/reporting requirements, and act as an interface with stakeholders to ensure successful delivery of end-user reporting solutions;
• Develop relevant KPIs to measure performance and address business requirements;
• Understands and extracts relevant information from complex data relationships and develops reports to enable the effective use of the resulting analysis;
• Provides training support for the use of new reports and tools;
• Collaborates with stakeholders to identify reporting needs;
• Fulfill functional expert role and provide technical support on all assigned projects;

Profil du candidat

• 5 years’ experience in SSC environment in relevant job
• Knowledge of Azure AI Services, Microsoft Copilot, Copilot Studio, AI Builder, Machine Learning concepts.
• Experience delivering AI, automation, or advanced analytics projects.
• Finance & Accounting and reporting skills
• Great PowerPoint/Excel/Visio/SAP knowledge
• Good knowledge of VBA/RPA, Power Query, PowerBI, SAP, MBC
• Service Now, Celonis, Power Apps and any other tool from Microsoft suite
• Experience with process mining and intelligent document processing solutions.
• Good data analysis, data verification; good knowledge of databases and data warehouse structures; knowledge in data mining and reporting tools;

Informations supplémentaires
TotalEnergies valorise la diversité, promeut le développement individuel et offre des opportunités d'emploi égales à tous les candidats.

Join Exadel as a Senior Data Engineer and bring logic to life with ADB and Spark. Solve analytical challenges and build solutions that matter—with a sharp, collaborative team.

Why Join Exadel

We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.

From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.

What powers it all? Our people are ambitious, collaborative, and constantly evolving.

About The Client

Our client is one of the Big Four accounting firms and the world’s largest professional services network. Headquartered in London, they operate in 150+ countries with 460,000+ professionals delivering excellence in audit, tax, consulting, and advisory.

The team you will join designs, develops, and deploys innovative enterprise technology and AI-driven tools to support the delivery of tax services. It is a dynamic group combining expertise in tax, software engineering, change management, and project management, working on initiatives from tool design and deployment to training development and engagement management.

Project Tech Stack

Azure Cloud, Microservices Architecture, .NET 8, ASP.NET Core services, Python, MongoDB, Azure SQL, Angular 18, Kendo, GitHub Enterprise with Copilot, LangGraph, LangChain, RAG Pipelines, Multi-modal LLMs

What You’ll Do

• Define and enforce best practices and coding standards across the project
• Conduct thorough code reviews to ensure adherence to established guidelines and maintain high code quality
• Working both independently and in close collaboration with others in the team
• Communicating clear instructions to team members and helping manage the flow of day-to-day operations
• Communicating with the client regularly
• Design, develop, and maintain robust and scalable Spark applications
• Write clean, maintainable, and efficient code following best practices and coding standards
• Optimize code for performance and scalability, ensuring efficient data handling
• Work closely with cross-functional teams to deliver high-quality software solutions
• Identify and resolve technical issues, ensuring the reliability and performance of applications
• Create and maintain comprehensive documentation for code, processes, and workflows

What You Bring

• Solid proven hands-on experience in software development
• Practical experience developing SQL stored procedures and migrating them into Spark SQL or PySpark environments
• Extensive expertise using PySpark on Databricks, encompassing Delta tables, cluster management, and workflow automation
• Proven track record of optimizing Spark performance within production-level projects
• Strong proficiency in Python, specifically for complex data manipulation utilizing libraries like Polars or Pandas
• Solid understanding of columnar data storage formats, particularly Parquet, with practical experience using Delta Tables
• Proven expertise in data processing, analysis, and transformation workflows
• Strong analytical and problem-solving abilities with a detail-oriented mindset
• Practical and pragmatic approach to balancing standardized processes with flexibility to meet project goals effectively
• Solid understanding of microservices architecture and its implementation in scalable systems

Nice to have

• Experience working with Azure Cloud services (or other major cloud platforms), including a range of SaaS offerings such as Service Bus, Data Lake, Blob Storage, Redis, and more
• Familiarity with FastAPI
• Expertise in containerization and orchestration tools such as Docker and Kubernetes

English level

Intermediate+

Legal & Hiring Information

• Exadel is proud to be an Equal Opportunity Employer committed to inclusion across minority, gender identity, sexual orientation, disability, age, and more.
• Reasonable accommodations are available to enable individuals with disabilities to perform essential functions.
• Please note: this job description is not exhaustive. Duties and responsibilities may evolve based on business needs.
• In anticipation of EU Pay Transparency requirements, compensation details are shared with candidates at the early stage of the recruitment process.
• The offer is not binding until a signed contract is in place.

Your Benefits at Exadel

Exadel benefits vary by location and contract type. Your recruiter will fill you in on the details.

• International projects
• In-office, hybrid, or remote flexibility
• Medical healthcare
• Recognition program
• Ongoing learning & reimbursement
• Well-being program
• Team events & local benefits
• Sports compensation
• Referral bonuses
• Top-tier equipment provision

Exadel Culture

We lead with trust, respect, and purpose. We believe in open dialogue, creative freedom, and mentorship that helps you grow, lead, and make a real difference. Ours is a culture where ideas are challenged, voices are heard, and your impact matters.