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Description We are seeking an enthusiastic Associate Synthetic Chemist to support the discovery of small molecules for next-generation 3D printing resins. You will work hands-on in the lab, executing syntheses of novel molecules, characterizing products, and exploring photochemical and photophysical structure–property relationships. This role is ideal for highly motivated early-career chemists who love synthesis and are excited to accelerate innovation through fast, iterative chemistry. You will be closely mentored by experienced synthetic chemists and will collaborate with analytical scientists and engineers developing our printing systems. Responsibilities • Design, execute, and troubleshoot small molecule synthetic routes, with a focus on divergent or modular approaches to rapidly generate lead candidates., • Purify products using chromatography and crystallization techniques., • Characterize compounds via UPLC, NMR, UV/Vis and IR spectroscopy, and mass spectrometry., • Work with cross-functional teammates to explore photochemical and photophysical structure–property relationships that drive 3D printing performance., • Maintain excellent electronic lab notebook documentation., • Contribute to management of chemical databases (e.g., commercial, proprietary, and virtual compound libraries). Minimum Qualifications • Bachelor’s degree in Chemistry or a closely related field with equivalent advanced chemistry coursework., • ≥2 years of intensive organic synthesis laboratory experience (academic research and/or industrial roles)., • Experience with synthetic planning with chemical databases (e.g., SciFinder, Reaxys)., • Excellent command of synthetic and physical organic chemistry fundamentals., • Experience with air-sensitive techniques (e.g., Schlenk line), purification (chromatography/crystallization), and data interpretation (NMR / LC-MS)., • Evidence of strong documentation and organizational skills, attention to detail, and the ability to manage multiple workflows efficiently., • Evidence of strong collaboration and teamwork talents/skills., • Ability to thrive in a fast-paced, collaborative R&D environment. Preferred Qualifications • Command of the basics of photochemistry., • Experience with heterocyclic and/or extended aromatic systems, especially those relevant to organic (opto)electronics. Benefits • We offer competitive compensation packages in our VC-backed startup., • Benefits include a full suite of offerings covering medical, dental, vision and 401k plan., • Beautiful setting looking out over a river and seaport; outdoor seating and picnic areas., • Highly collaborative work environment. Additional Information • Travel: Occasional travel may be required from time to time, • Location: Boston, Massachusetts We value diversity in our company and are an Equal Opportunity Employer.

Description We are seeking a passionate PhD-level synthetic chemist to drive the discovery of small molecules for next-generation 3D printing resins. This position involves rapid exploration of chemical space through organic synthesis to develop photochemical and photophysical structure-property relationships. This role will be particularly appealing to chemists with a passion for both synthetic and physical organic chemistry. Our process uses a small amount of each lead candidate, so synthetic creativity is not limited by the scalability concerns that usually narrow the available chemical space in materials applications. Responsibilities • Design, execute, and troubleshoot small molecule synthetic routes, with a focus on divergent or modular approaches to rapidly generate lead candidates., • Characterize lead candidates via UPLC, NMR, UV/Vis and IR spectroscopy, and mass spectrometry., • Contribute to the development of high-throughput analytical capabilities, small molecule databases, and virtual libraries., • Work with cross-functional teammates to explore photochemical and photophysical structure–property relationships that drive 3D printing performance., • Mentor junior scientists., • Maintain excellent electronic lab notebook documentation. Minimum Qualifications • PhD in Organic Chemistry or BS in Chemistry and 5+ years of experience in a small molecule discovery role., • Strong expertise in both synthetic and physical organic chemistry, demonstrated through publications and other activities., • Significant experience designing and executing multi-step synthetic routes., • Extensive experience with modern computing and data analysis tools relevant to synthetic chemistry., • Excellent communication, organizational, and time management skills., • Demonstrated ability to independently drive an idea from conception to project completion., • Evidence of strong collaboration and teamwork talents/skills., • Strong publication record, both as lead author and as contributor to other projects. Preferred Qualifications • Expertise in photochemistry and/or radical chemistry., • Significant experience with synthesis of heterocyclic and/or extended aromatic systems, especially those relevant to organic (opto)electronics., • Experience with cheminformatics and/or computational chemistry tools (e.g. DFT) relevant to the production of structure-property relationships. Benefits • We offer competitive compensation packages in our VC-backed startup., • Benefits include a full suite of offerings covering medical, dental, vision and 401k plan., • Beautiful setting looking out over a river and seaport; outdoor seating and picnic areas., • Highly collaborative work environment. Additional Information • Travel: Occasional travel may be required from time to time, • Location: Boston, Massachusetts We value diversity in our company and are an Equal Opportunity Employer.

Job Description OBJECTIVES: • We are seeking to fill a contractor position reporting to the Global Chemistry organization in Cambridge, MA to prepare formulated API for in vivo PK, pharmacology, and safety studies., • This role entails collaboration with a wide range of cross-functional research project teams, external CRO collaborators, and Client Pharm Sci colleagues to develop project specific formulation strategies for in vivo studies (PK, efficacy, tox), enabling the rapid advancement of compounds from PE through CN and CS. ACCOUNTABILITIES: • Prepares and optimizes pre-clinical drug formulations using appropriate technology and scientific principles for in vivo PK, Pharmacology, and safety studies, • Conducts limited screening of known excipients, pH adjustment, etc, and chemical/physical stability check for program compounds. Prepares cassette dosing solutions for PK screening., • Conducts experiments and analyzes/shares data to support project progression using analytical instrumentation (HPLC, Mass Spec) to assess formulation stability and chemical stability, • Accurately records formulation experiments/protocols in an e-notebook, • Prepares/shares formulation protocols, technical reports, presentations, and regulatory documents as necessary o Understanding and ability to implement good laboratory practices, particularly in handling preclinical pharmaceutical small molecule API for neuroscience, immunology, and oncology indications • Collaborates with a Global Chemistry manager, cross-functional research project teams, CROs, the Comparative Medicine group, and Pharmaceutical Science colleagues to provide project specific formulations and formulations strategies for in vivo studies (PK, efficacy, tox), • Continuous review and learning of formulation science through reading the literature and active engagement with client Pharm Sci group and CROs to guide project formulation strategy, • Exceptional organizational skills will be required, as the role requires receiving, managing, and delivering on requests from a wide range of groups and teams across the Research organization, often under tight timelines

Job DescriptionDescription Verdox, Inc. is dedicated to reversing climate change through the development and deployment of advanced technology. The company’s proprietary electro-swing process, developed at MIT, enables carbon dioxide and other acid gases to be captured with up to 80% less energy and 70% less cost than conventional approaches. Verdox is backed by institutional investors and based in Boston. See verdox.com for additional information on our technology and our vision. Verdox seeks a Polymer Chemist to join our R&D team. Key Responsibilities • Design and synthesize polymers with specific electrochemical and physico-chemical properties, • Perform and interpret the physical, chemical, and electrochemical characterization of monomers and polymers, • Oversee quality control of polymer products, • PhD in Synthetic/Organic/Polymer Chemistry (or equivalent), with focus on polymer synthesis, purification and physical characterization. Some industry experience is preferred, • Strong polymer chemistry experience, including the design and preparation of novel polymer structures, • Advanced organic synthesis skills – ability to design and synthesize monomers and polymers with desired properties. This includes multistep synthesis, Schlenk line and air-free techniques., • Characterization – chemical: NMR, GPC, GC/LC-MS, MALDI-TOF, FT-IR, UV-Vis, etc.; physical: SEM, TEM, AFM, tensile strength, • Purification techniques – experience with various polymer workup and purification techniques, including at the kilogram scale, • Scale-up (preferred) – some experience in gram to kilogram scale synthesis, • Electrochemistry experience (preferred) – some experience in organic electrochemistry and electrochemical techniques, • ChemDraw, NMR analysis software, Excel, MATLAB (or equivalent), • Ability to work in cross-functional teams, • Strong oral and written communication skills, • Comfortable working in an evolutionary and dynamic startup environment

As Computational Chemist, you will be expected to contribute across multiple therapeutic areas and drug discovery efforts across various modalities including small molecules, proteins, bifunctional degraders, and biologics. Cross-functional Collaboration: Work closely with medicinal chemistry, biolo

Exciting Opportunity to Join Our Legacy of Environmental Leadership!.At Arcwood Environmental, we are more than just a company; we are pioneers in industrial waste management, committed to creating a cleaner, safer world.Since our inception during the environmental movement of the 1970s, we've been