Intern - Cell Biology (On-site: Porto, Portugal) - This internship is part of the ATIVAR.PT internship programme (IEFP) [+TALENTO], co-funded by the European Social Fund / Portugal 2030.

Our Organization

FairJourney Biologics is a world leading CRO in antibody discovery, engineering, characterization, and production. It provides services to pharmaceutical companies and top biotech’s from U.S., Europe and Japan. FairJourney Biologics combines deep expertise in antibody phage display with a cutting-edge proprietary mammalian display platform capable of identifying high affinity and developable lead antibody candidates during the earliest stages of drug discovery. This exciting set of technologies and expertise gives the company a unique edge in therapeutic antibody development. Its state-of-the-art facilities are in Porto, Portugal. For more information, please visit www.fjbio.com.

The Role

We are seeking a motivated and detail-oriented Intern to join our Cell Biology team, for a 6-month IEFP [+TALENTO] internship. The intern will be involved in performing different panel of cell assays for antibody characterization and functional assessment, with activities to be performed that will include sterile mammalian cell culture techniques, cell line characterization by flow cytometry with target protein expression and antibody binding titration studies and antibody-mediated activation or blockade of ligand–receptor interactions using luminescence-based cellular assays.

Key Responsibilities

• Performing sterile mammalian culture techniques, including cell thawing, maintenance, expansion and cell banking.

• Labelling and characterization by flow cytometry of target protein expression on cells.

• Assessing antibody binding to target cells and evaluating antibody functionality by measuring activation or inhibition of ligand–receptor interactions using luminescence-based cellular assays or other cell-based assays.

• Recording, analysing, and reporting experimental data in accordance with laboratory procedures and quality standards.

Your Profile

• Eligible for IEFP [+TALENTO] internship.

• Bachelor’s or master’s degree (preferred) in the areas of Biology, Biochemistry, Biotechnology or related field.

• Knowledge of Office 365 (e.g. Word, Excel, PowerPoint) required.

• Previous theoretical or hands-on knowledge of flow cytometry, cell culture and/or cell-based assays preferred.

• Strong written and verbal communication skills.

• Collaborative spirit and proactive.

• Fluency in English.

We Offer

• 6-moth full-time paid internship.

• Integration in a highly motivated team;

• Working in an international environment;

• Opportunity of career development.

Does this sound like you?

Come and build your career with us!

Deadline for applications: 15th August 2026