Details
Job Type
Full-time
Workplace
On-site
Level
Entry-level
Location
Tallinn, Estonia
Interested in joining Max Joule?
Send us your CV and a short introduction outlining your relevant experience.
Overview
Join Max Joule, an innovative deep-tech startup developing next-generation battery cells and energy storage systems for industries including defence, space, medical, and mining.
As an Electrochemical Engineer, you will play a key role in developing and testing next-generation battery cells. Working closely with the founders, you will contribute to battery cell development through electrochemical research, laboratory testing, and experimental validation while helping build the future of European battery technology.
Your responsibilities
Building and assembling CR2032 coin cells and multilayer pouch cells
Preparing electrode slurries through mixing and formulation
Supporting coating, drying, die cutting, vacuum drying, and cell assembly processes
Performing cell formation, ageing, and electrochemical testing
Analysing electrochemical test data and presenting clear, data-driven results
Planning, executing, and evaluating Design of Experiments (DoE)
Documenting experiments, process parameters, observations, and test results
Identifying process improvements and contributing to battery cell optimisation
Maintaining laboratory equipment, materials, and process documentation while ensuring safe laboratory practices
During your first months, your main focus will be battery cell assembly and testing, electrochemical data analysis, and the design and execution of experiments (DoE) to support the development and optimisation of next-generation battery cells.
What we’re looking for
Skills & Knowledge
Knowledge of electrochemistry, battery cell technologies, and electrochemical testing
Experience with laboratory equipment and analytical techniques such as SEM-EDS, XRD, GC-MS, ICP, or similar
Ability to analyse experimental data and present clear, data-driven results
Understanding of battery cell manufacturing processes, including electrode preparation and cell assembly
Knowledge of Design of Experiments (DoE) and experimental planning
Strong documentation skills and a systematic approach to laboratory work
Experience
Laboratory experience in electrochemistry, battery research, or materials science gained through professional work, studies, or research projects
Experience in battery cell assembly and electrochemical testing is considered an advantage
Experience preparing electrode slurries and supporting battery manufacturing processes
Experience with laboratory research, experimental validation, and process optimisation
Personal Qualities
Proactive and solution-oriented mindset
Strong curiosity for science and technology
Ability to work independently and take ownership of projects
Hands-on approach with a willingness to learn and experiment
Comfortable working in a fast-paced startup environment
Able to adapt quickly to changing priorities and contribute across multiple development activities
What we offer
Opportunity to develop next-generation battery technology for Space & Defence applications
A key role in an ambitious deep-tech startup with direct collaboration with the founders
Hands-on involvement throughout the entire battery cell development process, from research to validation
Modern laboratory and manufacturing facilities at Technopol Campus, Tallinn
Participation in the company's employee stock option programme
Professional growth in a fast-moving, innovative environment with real responsibility and impact
International collaboration and opportunities to visit partners and customers