Tilde Bio: Bioconjugation Chemistry Co-Op

    Flagship Pioneering logo

    Flagship Pioneering

    We are a biotechnology company that invents and builds platform companies that change the world.

    501-1,000 employeesFounded 2000Cambridge, MABiotechnology Research
    Actively hiringPaidWinter 2027Summer 2027Biotechnology Research
    Apply Now

    Best applied by Nov 1

    Access our internships job board to view 10,000+ active internships.


    About the role#

    We are looking for a Master's-level Co-Op to join our Bioconjugation Chemistry team. You will focus on developing novel bioconjugation chemistries for site-selective protein modification. This is a hands-on laboratory role where you will design, synthesize, and evaluate reactive handles and conjugation strategies. You will work directly with chemists, protein engineers, and nanopore scientists to expand our toolkit for building next-generation protein conjugates.

    What you'll do#

    • Design and execute experiments to discover and optimize bioconjugation reactions on proteins and peptides.
    • Synthesize small-molecule reagents, linkers, and probes, including purification and structural characterization.
    • Screen reaction conditions under biocompatible conditions while assessing kinetics, selectivity, and yield.
    • Characterize protein conjugates using intact-protein LC-MS to determine purity, conjugation efficiency, and site selectivity.
    • Evaluate conjugate stability and the impact of modifications on protein structure and function.
    • Maintain accurate records in an electronic lab notebook.
    • Analyze data, summarize findings, and present results at team meetings.
    • Contribute to a culture of safe laboratory practice and scientific rigor.

    What you'll need#

    • Current enrollment in an M.S. program for Chemistry, Chemical Biology, Biochemistry, or a related field.
    • Exclusive eligibility for current Northeastern University Co-Op students.
    • A strong foundation in organic synthesis, including multistep synthesis, purification, and characterization.
    • Hands-on experience with NMR and LC-MS, with the ability to extract structural information from spectra.
    • Working knowledge of protein chemistry, including handling, purification, and buffer considerations.
    • Previous research or industry experience in bioconjugation, chemical biology, or protein modification.
    • Familiarity with antibody or protein conjugate modalities.
    • Ability to work independently, troubleshoot experiments, and think critically about results.
    • Strong written and verbal communication skills and a collaborative mindset.

    Location & details#

    • Location: Cambridge, Massachusetts, USA.
    • Work Modality: On-site, 5 days per week.
    • Term: Winter 2027 to Summer 2027.
    • Status: Full-time, 40 hours per week.
    • Compensation: Paid position.

    About Flagship Pioneering

    Flagship Pioneering is a biotechnology firm based in Cambridge, Massachusetts. Founded in 2000, the company focuses on inventing and building platform companies that develop products for human health and sustainability. It has originated more than 100 scientific ventures since its inception. The current ecosystem includes over 40 companies, such as Indigo Agriculture and Generate:Biomedicines.

    LinkedInWebsiteCareers emailFlagship Pioneering contact channels unlock with a free account
    All Flagship Pioneering internships

    How to get in at Flagship Pioneering

    Applying early is a significant advantage when pursuing an internship at Flagship Pioneering, as recruiters often review candidates before the applicant pool becomes unmanageable. Intern Insider sends an instant alert the moment a role matching your target is published, helping you secure a spot at the front of the line. You can reach out to recruiters directly to ask about the role or a potential referral, which often improves your response rates compared to submitting through a general queue. Intern Insider surfaces the specific recruiters behind these roles so you can make that connection yourself.

    Get alerts for new Flagship Pioneering internships
    Share

    Interns who landed roles with Intern Insider

    “Intern Insider helped me land most of my internship interviews and offers. It definitely improved my application-to-interview conversion compared to other platforms, especially because of the up-to-date and sometimes exclusive postings.”
    Anran L., Full-Stack Developer Intern

    Anran L.

    Full-Stack Developer Intern

    “The intern insider job board is an extremely useful resource; especially for students just beginning their career journeys. Besides the amazing catalogue of new postings, there are so many different tools to better set yourself up for success.”
    Jordan L., Business & Computer Science Student

    Jordan L.

    Business & Computer Science Student

    Apply to more than this one.

    10,000+ open internships in one place, with the deadlines and the people to email.

    Create free account
    Apply by Nov 1Apply Now