TotalEnergies Software Engineer interview questions & guide 2026

Questions in the TotalEnergies interview process are drawn directly from real reported candidate experiences across global tech hubs and operational centers. While individual technical interviews vary based on the specific team (e.g., Digital Business Engineering, Trading IT, or R&D), evaluations follow clear patterns that mix fundamental software design, behavioral competencies, and domain awareness.

Backend & System Implementation

This category evaluates your core programming capabilities, REST API design choices, database fundamentals, and practical data structures.

• Design a RESTful API service to manage a catalog database: what endpoints, controllers, and database relationships would you establish?
• What is the difference between an INNER JOIN and a LEFT JOIN in SQL, and when would you use each?

Preparation for TotalEnergies requires a balanced strategy that pairs solid software engineering fundamentals with self-reflection on your professional track record. Candidates are evaluated holistically; strong coding ability must be paired with clear communication and cultural alignment.

Technical Competency & Software Craftsmanship – You must demonstrate a clear understanding of modern software architecture, database design, testing practices, and API design. Interviewers look for clean code structure, proper separation of concerns, and defensive programming techniques that ensure reliability.

Problem-Solving & Architectural Thinking – Whether solving a live coding challenge or completing an asynchronous take-home project, candidates are assessed on how systematically they break down requirements, analyze trade-offs, handle edge cases, and design scalable data schemas.

Safety, Risk, & Quality Mindset – Operating in the energy industry means that system failures can have significant operational consequences. Interviewers evaluate your commitment to software reliability, comprehensive unit testing, robust logging, and adhering to strict operational protocols.

Culture Fit & Communication – The company values structured collaboration, transparency, and adaptability. You should be prepared to discuss your past team interactions, demonstrate active listening, and articulate your motivation for working inside a global multi-energy enterprise.

The hiring process at TotalEnergies is methodical, thorough, and designed to evaluate candidates across technical depth, behavioral fit, and organizational alignment. While specific timelines vary by office location and role level, the typical process spans three to four weeks from initial contact to offer.

Initial screening typically begins with an online application review followed by a preliminary phone or video screening with HR. Candidates are then required to complete a standardized online personality assessment (such as an internal behavioral profiling test) and, in many cases, a technical assessment platform test (e.g., CoderPad or Coderbyte).

Following early assessments, you will progress to structured interviews with hiring managers, lead developers, and department directors. Technical evaluations may feature live coding sessions, architectural discussions, or take-home coding challenges (Katas) designed to evaluate clean architecture, database modeling, and documentation skills. The final stage typically involves a comprehensive panel or director-level interview to evaluate culture alignment, long-term career aspirations, and compensation expectations.

The visual timeline above outlines the standard multi-stage progression candidates navigate during the hiring journey. Use this roadmap to structure your preparation, pacing your practice between core algorithmic coding, technical system architecture, and behavioral storytelling.

Backend Development & API Architecture

Backend engineering evaluations focus on your ability to design maintainable, secure, and performant server-side applications. Interviewers examine how you structure web services, maintain clean layer separation, and choose appropriate datastores.

Be ready to go over:

• RESTful API Design – Structuring resource-oriented endpoints, HTTP verbs, response status codes, and pagination strategies.
• Data Modeling & ORM – Schema design, relationship mapping, index strategies, and query optimization in relational (PostgreSQL) and non-relational (MongoDB) databases.

As a Software Engineer, your day-to-day operations involve designing, building, and maintaining software applications that support operational, analytical, and digital initiatives. You will work within agile engineering teams to turn complex domain requirements into technical solutions.

Core deliverables include writing high-quality code, building and maintaining REST APIs, configuring database schemas, and setting up automated testing pipelines. For teams using NestJS, TypeScript, PHP, or Java, you will be responsible for creating decoupled, modular codebases using standard service and controller patterns. Additionally, engineers are often involved in containerizing applications with Docker and establishing automated deployment workflows.

Collaboration is central to the role. You will work alongside Product Managers to refine requirements, partner with DevOps specialists to oversee deployments, and engage with domain end-users to collect feedback. Depending on your business unit—such as Gas & Power Trading IT or Digital Business Engineering—you may also interface with data scientists and operational engineers to build real-time dashboards, SCADA integration tools, or business process automation systems.

Candidates are expected to bring solid computer science fundamentals, practical software engineering experience, and strong interpersonal skills. Requirements generally fall into the following core categories:

• Must-have skills:
  • Proficiency in at least one primary backend language/framework (e.g., TypeScript with NestJS, PHP with Lumen/Laravel, Java, or Python).
  • Strong database skills in relational databases (PostgreSQL) or document stores (MongoDB), including efficient query design and data modeling.
  • Practical experience designing and consuming RESTful APIs.
  • Familiarity with containerization tools (Docker) and basic version control practices (Git).
  • Solid understanding of automated testing (unit tests, integration tests) and clean coding practices.
• Nice-to-have skills:
  • Experience with cloud infrastructure platforms (AWS, Azure, or GCP).
  • Exposure to industrial control software, SCADA systems, or energy trading platforms.
  • Knowledge of frontend frameworks (e.g., Angular, React) for full-stack versatility.
• Experience level & soft skills:
  • Professional software engineering experience ranging from junior (0–2 years with relevant internships/degree) to mid/senior levels (3+ years).
  • Excellent verbal and written communication skills in English (French language skills are a strong bonus for roles based in France).
  • Proactive problem-solving attitude, adaptability, and the ability to collaborate effectively in multicultural, cross-functional teams.

Q: How technical is the overall interview process for Software Engineers? The technical depth varies depending on the specific business unit and senior leadership team. While some business units focus heavily on software architecture and take-home coding challenges (Katas), others place equal weight on behavioral fit, personality assessments, and domain interest.

Q: What is the purpose of the online personality test? The personality assessment is designed to establish a behavioral profile, evaluating work preferences, stress management, and collaboration styles. HR recruiters use this report during your interview stage to ask targeted questions about your self-awareness and workplace habits.

Q: How long does the recruitment process typically take? While accelerated processes can complete in two to three weeks, standard corporate hiring timelines typically span four to six weeks from application to offer release. Be sure to maintain open communication with your assigned HR recruiter for status updates.

Q: Is international mobility or relocation required for this role? International mobility is generally optional, but TotalEnergies offers extensive global career development opportunities across its international hubs. Expressing an openness to international collaboration or future mobility can be a positive indicator during HR evaluations.

• Prepare detailed project debriefs: When discussing past software projects, be ready to explain the project roadmaps, underlying technology stack, personal contributions, and measurable business outcomes clearly.
• Review API and design fundamentals: Practice setting up a basic RESTful API service from scratch using frameworks like NestJS or Lumen. Ensure you can implement standard CRUD operations, database connection handling, and input validation without hesitation.
• Align with energy transition goals: Familiarize yourself with the multi-energy strategy at TotalEnergies, including investments in solar, wind, battery storage, and digital transformation. Showing genuine interest in these business drivers sets you apart.

• Maintain high professionalism throughout: Interviews are structured and formal. Present your thoughts calmly and clearly, avoid informal communication, and demonstrate your capacity to handle professional responsibility.

Targeting a Software Engineer role at TotalEnergies offers an exciting opportunity to apply modern software engineering skills to global energy challenges. By mastering API architecture, database design, software craftsmanship, and structured behavioral scenarios, you position yourself as a well-rounded candidate capable of driving real impact.

The compensation data above provides an overview of salary expectations for engineering roles at TotalEnergies. Actual offers depend on your specific geographic location, role seniority, educational background, and specialized technical expertise. In addition to base compensation, total reward packages often include performance bonuses, profit-sharing initiatives, and extensive healthcare benefits.

To further refine your preparation, access real candidate interview experiences, detailed interview questions, and practice assessments for top technology companies on Dataford. Focus your remaining prep time on building clean backend code, reviewing system design fundamentals, and preparing clear behavioral stories. With deliberate practice and thorough preparation, you are well-equipped to succeed in your interviews at TotalEnergies.