We’re expanding our team to further the development of our microbial weaving technology- a biofabrication platform that employs bacteria to grow a new class of cellulose-based textiles & composites. Our goal is to provide truly sustainable + inspiring cellulose-based materials to reduce the industry’s dependence on petrochemicals — without sacrificing performance or creativity.


Our Philosophy

Modern Synthesis was founded on the idea that the convergence of disparate disciplines, perspectives and ideas is key to building a robust biomaterial economy. We thrive on a culture of debate, and value honesty, collaboration and both personal and company growth. 

We are committed to building a diverse team and an inclusive environment where all employees are welcome. If you require additional help or an alternative recruitment process to help you be at your best, do let us know:

Interested in joining the team in a different capacity to our current openings? Let us know here.

We’re Hiring!

Are you excited to produce new high performance biomaterials? We’re looking for a senior chemical engineer or materials chemist to develop and test new product formulations as well as developing production processes then scaling them from lab to pilot scale and beyond.

You’ll be supporting cutting edge R&D and academic collaborations to develop the future of biomaterial technologies as well as working with the design team to produce innovative materials for projects with global fashion brands. 

You’ll be making a meaningful contribution to transition to a circular bioeconomy, fighting the climate crisis and plastic pollution. 

Job Responsibilities

Process Development 

  • Lead development and optimisation of a pilot scale biomaterial production process including mixing, casting, composite forming and coating
  • Study and optimise rheological and fluid dynamic properties relevant to the process
  • Test and improve finishing processes and chemistries to enhance material performance
  • Identify potential safety hazards and implement controls

Formulation Development

  • Research, develop and test novel formulations for composite biomaterials
  • Utilise DoE approaches to optimise formulations and performance
  • Perform physical and chemical material characterization with internal equipment and working with external testing organisations 
  • Support customer projects with leading fashion brands to develop new performance materials


  • Record, analyse, interpret and present experimental data
  • Assist with IP development and filing of patents


  • Build relationships and collaborate with advisory board including world leading experts from industry and academia
  • Work with production partners and suppliers
  • Support development of agreements and joint ventures with collaborators


About You

We welcome applicants that don’t necessarily tick all the boxes. If you feel that you tick most of them and are willing to learn the rest, we encourage you to apply.

  • Undergraduate or postgraduate degree in chemistry/materials science/engineering or similar
  • Experience with pilot scale material production processes such as composite manufacturing, film casting or coatings
  • Experience characterising and optimising rheology
  • An impatient optimist, self-motivated with a learning and growth mindset
  • Ability to communicate effectively, including written, verbal, and concise presentation of technical concepts to a range of audiences
  • Experience or willingness to collaborate with an interdisciplinary team
  • Comfortable with rapid innovation cycles and constant growth that comes with working in a startup – proactive and flexible to take on new tasks and challenges
  • Passion for sustainability and impact

Beneficial experience: 

  • Production and characterisation of biomaterials/biopolymers – particularly bacterial cellulose
  • Knowledge of cellulose chemistries
  • Knowledge of textile processing, chemistries and finishing
  • Design and sourcing of pilot scale equipment
  • Experience writing grant and/or patent applications



  • Central London office and lab
  • Competitive salary, pension plan and stock options
  • Private health insurance 
  • 25 days leave + bank holidays
  • Interdisciplinary team with opportunities for learning and growth
  • Flexible working – WFH supported 1-2 days a week
  • Support from world leading experts and advisors
  • Real world, positive impact



Manager: CTO 

Location: London 

Salary: £45-65k

Desired start date: January 2023

How to Apply 

To apply please send CV and cover letter  (with the position you are applying for in the subject line) to

As our Content Strategist, you’ll create impact by shaping and sharing our brand story. Working directly with our Co-founder/CEO and Head of Growth, you’ll build out and execute Modern Synthesis’ communications and content strategy. 

We’ll count on you to serve as a critical link between our team and the outside world – sharing our vision, values, and progress with a variety of audiences through engaging written and visual content. 

Meanwhile, being our eyes and ears to the market, you’ll keep the team abreast of trends and opportunities. Your insights will actively contribute to our ambitious growth trajectory.

This isn’t a plug and play position. We’re looking for someone who has the ingenuity and drive to build the material brand of the future. No matter your background, you’ll use your impeccable taste and insatiable curiosity to help us cut through the noise and drive real impact.

This role is intended to start on a part-time basis, but could expand to full-time in the future.

Job Responsibilities

  • Serve as Modern Synthesis’ brand guardian, ensuring best in class execution, consistent tone of voice and adherence to brand guidelines across platforms
  • Continually generate new cross-channel content ideas in collaboration with other team members (mainly LinkedIn, Instagram, and newsletters)
  • Craft intelligent and engaging written content, from social media copy to newsletters, distilling complex topics for a variety of audiences.
  • Deliver engaging visual content, by creating it yourself (or sourcing and guiding external talent) including photography, film, graphics, animation and digital media)
  • Update website and all brand related social media profiles, collaboratively designing and developing site content and layouts
  • Prepare communications materials for events (promotional or fundraising)
  • Actively contribute to wider brand strategy across owned, earned, and paid media
  • Assess effectiveness of activities in order to identify areas of improvement 

Opportunities to expand role scope:  We are a small team and welcome candidates looking to grow with us, so this role comes with ample opportunities to get involved in project management, innovation strategy, market analysis, and impact / sustainability management.

Our Ideal Candidate

  • Is a skilled content marketer – not just a content writer – with the analytical ability to translate key business insights into impactful content
  • Delivers creative content that has a unique and compelling point of view that aligns to our brand’s positioning and values
  • Balances multiple writing, editing, and content production assignments at once
  • Knows how to strategically leverage earned, owned, and paid media whilst keeping a pulse on platform best practices and trends
  • Stays curious, and finds new content ideas from disparate sources (i.e. news articles, conversations with the team, events) 
  • Hits daily or weekly deadlines in a fast changing start-up environment
  • Is committed to quality, aiming for a look & feel of 10x your budget. 
  • Brings a positive, can-do attitude, identifying potential obstacles with a mindset  to find solutions + workarounds

Bonus points for: 

  • Basic understanding of SEO optimization and other web traffic metrics
  • Familiarity with Canva or (better) Photoshop/ Illustrator for social media posts etc, &/or having some skill with video
  • Already spending your free time reading and writing about biodesign, material trends, fashion tech and / or the circular economy



  • Brand new, dog-friendly office and lab in Southwest London 
  • Interdisciplinary team with opportunities for growth and career progression
  • Flexible working, both in terms of working hours and location 
  • Tailored development support from world-leading experts and advisors 
  • Bike to work scheme
  • Private health insurance including dental and vision stipends
  • Regular lunches and company events
  • Enhanced parental leave policy
  • Potential to create real, positive impact



Manager: Sarah Young (Head of Growth)

Salary: £35,000 – £45,000 pro-rated

Desired start date: As soon as possible

Location: London / Hybrid

We’re hiring on a rolling basis, so encourage you to apply as early as possible. Please note you must have the right to work in the UK to apply for this job, as we do not currently have capacity to sponsor.

Our Hiring Process 

Round 0. Apply online and submit link(s) to your portfolio of work

Round 1. 30 minute exploratory interview where we’ll dive into your work history and motivations for applying to Modern Synthesis

Round 2. 1 hour skills interview where we’ll explore the skills and knowledge you’ll bring to this role. Successful candidates will get a (paid) take home case study to complete before round 3.

Round 3. 1 hour case study review interview where you walk us through your ideas and thinking on the case study

Round 4. 1 hour culture interview where you’ll meet more members of the team and have the opportunity to ask them questions.

We recognise recruitment is not one-size-fits-all and we’re happy to tailor this process to better meet the needs of individual applicants. Please email with any requests for support.

How to Apply 

Submit your application here