
Sustaira Career Opportunities
Join Sustaira!
Sustaira is growing rapidly with triple digit growth and we’re expanding our talented team!
By combining cutting-edge technology and domain expertise, Sustaira makes sustainability actionable, accountable, scalable, and rewarding. Our platform and marketplace for Sustainability solutions, services and partners, enables leaders to make their organisations more sustainable, faster.
We accelerate sustainability initiatives by listening closely to customer feedback, keeping track of developments and legislation in the Sustainability and ESG space and providing customers with the solutions and services they need to move towards a more sustainable future.
Check out the open positions below and let us know if you’re interested!
Sustaira Positions
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Sustaira is looking for a talented and driven Growth Marketer - Sustainability Solutions with a passion for sustainability and a strong track record of designing, executing, and optimizing marketing and business development campaigns that drive pipeline and revenue.
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Sustaira is looking for a talented and highly motivated Business Developer - Sustainability Solutions with a passion for sustainability and a strong track of high-quality lead generation and business development activities that drive pipeline and revenue.
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Sustaira is looking for a talented and driven Mendix Developer who has experience with Mendix Application Development and Consulting and a passion for Sustainability.
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Sustaira is looking for a sharp, curious, and motivated AI Intern to join our team. In this role, you will support the development and deployment of AI/ML solutions that enhance our sustainability platform’s data intelligence, automation, and decision-making capabilities.
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Sustaira is looking for a talented and driven Sustainability & ESG Consultant with Sustainability domain expertise and an interest in (content) marketing & communications, consulting and technology.
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Sustaira is looking for a talented and driven Marketing and Business Development ESG and Sustainability intern who has experience with marketing and business development tasks and a passion for Sustainability and technology.
Growth Marketer - Sustainability Solutions (The Netherlands)
Role description
Sustaira is looking for a talented and driven Growth Marketer - Sustainability Solutions with a passion for sustainability and a strong track record of designing, executing, and optimizing marketing and business development campaigns that drive pipeline and revenue. You'll play a pivotal role in accelerating customer acquisition, expanding market presence, and optimizing user journeys across the funnel. This is an opportunity to make a tangible impact at the intersection of (digital) marketing, sustainability solutions, and software scale-up growth.
Responsibilities
Design and implement multi-channel growth strategies across media, SEO, email, content syndication, partnerships, and product-led growth initiatives.
Content creation and editing such as: campaign emails, newsletters, blog posts, and press releases.
Own and optimize the marketing funnel from awareness through conversion; analyze performance metrics and run A/B tests to improve conversion rates.
Collaborate with the product owners, sustainability leads, sales, and customer success teams to create targeted campaigns that resonate with buyer personas in sustainability, ESG, and finance roles.
Lead campaign execution across digital channels (Email, LinkedIn, Apollo, CRM and others) with strong attention to ROI and CAC.
Develop automation workflows and lead nurturing programs to engage prospects and shorten sales cycles.
Develop and execute data-driven lead marketing and business development campaigns and programs, including webinars and events, emails.
Plan, execute, and optimize lead generation with a programmatic and KPI focused market penetration of targeted accounts and (sub) verticals and domains. This includes A/B testing and campaign and content optimization
Liaison between our targeted audiences and the sales team, including sales funnel optimization and collaboration between marketing and sales.
Define market opportunities and go-to-market plans with sales, including mapping target personas, challenges, and unique value drivers
Generate and orchestrate content generation across the organization, i.e. blogs, customer case studies and one-pagers.
PR, including marketing communications with the leading analyst firms and press releases
Joint marketing efforts with current and future partners, including Capgemini and Siemens
Research trends in sustainability, carbon accounting, ESG and Sustainability reporting, and related areas to inform messaging and content strategy.
Drive experimentation and iterate rapidly, applying a test-learn-scale mindset.
Report on performance metrics, including traffic, conversion, retention, and attribution insights.
What we’re looking for:
An A+ sustainability and marketing allrounder, who is a self starter that wants to make a difference
You have a passion for new technologies, in particular smart, innovative and creative web and mobile apps. AI and generative AI tools experience is a bonus!
You communicate well, have a winner’s mentality, and like to work within a dynamic team!
An excellent writer and content generator. You are considered a wonderful communicator.
You have experience in sales outreaches and typical marketing and business development tasks such as email campaigns, making calls, and setting up meetings.
A bonus would be that you have experience in sustainability
You take initiatives and would like to be challenged to grow, expand your skill set and are not afraid to make mistakes
You desire working with an incredible talented team and have a drive to support and enable exponential growth
Marketing automation experience (Mailchimp, Apollo, LinkedIn and others).
CRM experience (experience with Pipedrive or Salesforce is preferred)
You have completed (or are completing) a Master’s or Bachelor’s degree in Marketing, Communications, and/or Sustainability and have a passion for software.
A minimum of 5 years’ experience working in demand/growth marketing
Self motivated with stellar time management while working remotely
Ability to take a leading role in customer projects and/or internal initiatives.
You enjoy research and have an interest in experiencing a true scale-up environment
Highly proficient in English (C1 or higher) and Dutch.
Eligible to work in the Netherlands and based out of the Netherlands.
You are available to work at least 24 hours per week.
What’s in it for you:
Be part of a mission-driven company making a real climate impact.
Join a passionate and collaborative team at the forefront of sustainability tech.
Jump on this rapidly moving train and join an amazing journey that will fast-track your career, while growing professionally and financially.
Work with talented and ambitious colleagues in a dynamic international setting. Leadership has proven international experience and will directly work with you, leading by example.
Competitive base and variable compensation
Net sales proceeds bonus, equity options and comprehensive benefits
30 vacation days (based on a 40-hour work week)
Hybrid position: Come join our shared office space in Rotterdam and you also have the possibility to work remotely.
Pension with contribution from Sustaira
Health insurance, work-from-home and travel compensation
Fun team outings and, if desired, international trips!
Apply now via the bottom of this page!
Business Developer - Sustainability Solutions (The Netherlands)
Role description
Sustaira is looking for a talented and highly motivated Business Developer - Sustainability Solutions with a passion for sustainability and a strong track of high-quality lead generation and business development activities that drive pipeline and revenue. You'll play a pivotal role in driving new customer acquisition and building strong pipelines in key sectors. You’ll be at the front lines of our growth—identifying prospects, opening conversations, and collaborating closely with marketing and sales to turn opportunities into long-term clients.
This role is ideal for someone passionate about Sustainability, comfortable in a fast-moving environment, and excited to contribute to meaningful climate impact through software.This is an opportunity to make a tangible impact at the intersection of business development and sales, sustainability solutions, and software scale-up growth.
Responsibilities
Drive business development activities to book and run discovery calls and demos together with Sales.
Identify, research, and engage prospective customers across target industries
Develop and execute data-driven business development campaigns and programs, including webinars and events, emails.
Qualify inbound and outbound leads to assess fit and readiness, and maintain a healthy sales pipeline in our CRM (Pipedrive).
Initiate and manage outbound prospecting campaigns using email, phone, LinkedIn, and tools such as Apollo to generate interest in our sustainability solutions.
Collaborate closely with marketing to align messaging and feedback loops, and improve lead quality and conversion rates.
Represent the brand at virtual and in-person industry events as needed.
Joint business development efforts with current and future partners, including Capgemini and Siemens
Stay up to date on sustainability, carbon accounting, and ESG trends to speak credibly with stakeholders across corporate sustainability, finance, procurement, and compliance.
Drive experimentation and iterate rapidly, applying a test-learn-scale mindset.
Track and report on KPIs (meetings booked, conversion rates, pipeline contribution) and provide input on improving outreach and targeting strategies.
What we’re looking for:
An A+ sustainability and business development allrounder, who is a self starter that wants to make a difference
2+ years of experience in business development, sales, or partnerships—ideally in SaaS, enterprise tech, or sustainability-related sectors.
You have a passion for new technologies, in particular smart, innovative and creative web and mobile apps. AI and generative AI tools experience is a bonus!
You communicate well, have a winner’s mentality, and like to work within a dynamic team!
A proven track record of meeting or exceeding pipeline or lead generation targets.
Self-starter with high energy, persistence, and a growth mindset.An excellent writer and content generator. You are considered a wonderful communicator.
You have experience in sales outreaches and typical marketing and business development tasks such as email campaigns, making calls, and setting up meetings.
A bonus would be that you have experience in sustainability and knowledge of sustainability frameworks (GHG Protocol, CDP, TCFD, SBTi) is a strong plus.
You take initiatives and would like to be challenged to grow, expand your skill set and are not afraid to make mistakes
You desire working with an incredible talented team and have a drive to support and enable exponential growth
Business development automation experience (Apollo, LinkedIn and others).
CRM experience (experience with Pipedrive or Salesforce is preferred)
You have completed (or are completing) a Master’s or Bachelor’s degree in Business Administration, Communications, and/or Sustainability and have a passion for software.
Self motivated with stellar time management while working remotely
Highly proficient in English (C1 or higher) and Dutch.
Eligible to work in the Netherlands and based out of the Netherlands.
You are available to work at least 24 hours per week.
What’s in it for you:
Be part of a mission-driven company making a real climate impact.
Join a passionate and collaborative team at the forefront of sustainability tech.
Jump on this rapidly moving train and join an amazing journey that will fast-track your career, while growing professionally and financially.
Work with talented and ambitious colleagues in a dynamic international setting. Leadership has proven international experience and will directly work with you, leading by example.
Competitive base and variable compensation
Net sales proceeds bonus, equity options and comprehensive benefits
30 vacation days (based on a 40-hour work week)
Hybrid position: Come join our shared office space in Rotterdam and you also have the possibility to work remotely.
Pension with contribution from Sustaira
Health insurance, work-from-home and travel compensation
Fun team outings and, if desired, international trips!
Apply now via the bottom of this page!
Mendix Developer - Sustainability Solutions (EMEA)
Role description
Sustaira is looking for a talented and driven Mendix Developer who has experience with Mendix Application Development and Consulting and a passion for Sustainability. As a Mendix developer, you will be part of our delivery team that’s responsible for developing and maintaining solutions on the Sustaira platform with its customers and partners. This role will involve collaborating with cross-functional teams, translating business requirements into technical solutions, and contributing to the overall sustainability goals of our customers.
If you’re an experienced Mendix developer and solely want to focus on sustainability initiatives and making a difference, whether it’s working on our ESG & sustainability platform, app template implementations, or completely new and custom apps, connect with us!
Responsibilities
Developing and maintaining the Sustaira platform: This involves using Mendix to build, customize, and enhance the various modules and applications within the platform.
Integrating with existing systems: Integrating the platform with other enterprise systems is a key aspect, ensuring data flows seamlessly and provides a 360-degree view of Sustainability initiatives.
Building custom Sustainability applications:Sustaira allows for customization and personalization of applications to meet specific client needs, and Mendix developers are responsible for creating these custom solutions.
Ensuring application quality and performance: This includes testing, troubleshooting, and optimizing the platform for optimal performance.
Working with business stakeholders: Mendix developers need to collaborate with business analytics and other teams to understand requirements and ensure solutions meet business needs.
Staying up-to-date with Mendix: Continuous learning and development in the Mendix platform are essential for delivering effective solutions.
Documentation and reporting: Maintaining accurate technical documentation and providing regular status reports to management is also a key responsibility.
Collaborating with Sustainability and Product Leads to add new features and functionalities to the solutions and Sustaira platform.
What we’re looking for:
Minimum of 3 years Mendix development experience, preferably customer-facing.
Mendix certification: Advanced or (preferably) Expert.
Ability to take a leading role in customer projects and/or internal initiatives.
You have a passion for new technologies, in particular smart, innovative and creative web and mobile apps and/or application/software development
Self motivated with stellar time management while working remotely
A bonus would be that you have experience in sustainability
You take initiatives and would like to be challenged to grow, expand your skill set and are not afraid to make mistakes
You desire working with an incredible talented team and have a drive to support and enable exponential growth
Highly proficient in English (C1 or higher). Dutch not required.
You enjoy working in a dynamic environment and professionalising the organisation as we grow.
Eligible to work in the Netherlands and based out of the Netherlands.
You are available to work at least 32 hours per week.
You have an interest in sustainability. It’s a plus if you already have experience in this domain.
What’s in it for you:
Work with experienced Mendix colleagues on a customer-facing, technically challenging customer-facing product and projects in a dynamic international setting. Leadership has proven international experience and will directly work with you, leading by example.
Be part of a mission-driven company making a real climate impact.
Join a passionate and collaborative team at the forefront of sustainability tech.
Jump on this rapidly moving train and join an amazing journey that will fast-track your career, while growing professionally and financially.
Competitive base and variable compensation
Net sales proceeds bonus, equity options and comprehensive benefits
30 vacation days (based on a 40-hour work week)
Hybrid position: Come join our shared office space in Rotterdam and you also have the possibility to work remotely.
Pension with contribution from Sustaira
Health insurance, work-from-home and travel compensation
Fun team outings and, if desired, international trips!
Apply now via the bottom of this page!
AI Internship - Sustainability Solutions (The Netherlands)
Role description
Sustaira is looking for a sharp, curious, and motivated AI Intern to join our team. In this role, you will support the development and deployment of AI/ML solutions that enhance our sustainability platform’s data intelligence, automation, and decision-making capabilities. You’ll collaborate with cross-functional teams to solve real-world problems using environmental and operational datasets, while also using gen AI to optimize internal operational efficiency.
This internship is ideal for someone with a passion for Sustainability and looking to build hands-on experience with practical AI/ML applications in a mission-driven tech environment.If you're passionate about AI, climate tech, and making an impact, this internship offers a unique opportunity to apply your skills in service of the planet.
Responsibilities
Support the design, development, and evaluation of AI/ML models used for tasks like emissions estimation, document parsing, anomaly detection, and predictive analytics.
Work with structured and unstructured sustainability data (e.g., carbon emissions, energy usage, supply chain reports) to create training datasets and validate model performance.
Assist in the implementation of NLP techniques for ESG reporting automation, taxonomy matching, or intelligent data extraction.
Collaborate with product managers, data scientists, and engineers to integrate AI features into the platform.
Conduct research on recent AI advancements relevant to climate tech, LLM applications, and environmental data science.
Collaborate with marketing and sales to optimize business development activities and operations based on AI tools.
Document findings and contribute to internal knowledge sharing on AI methods and sustainability-focused use cases.
What we’re looking for:
An A+ sustainability and AI allrounder, who is a self starter that wants to make a difference
Currently pursuing a degree (BSc, MSc, or PhD) in Computer Science, Data Science, Machine Learning, Environmental Informatics, or a related field.
Strong foundational knowledge of Python, data science libraries (e.g., Pandas, NumPy, Scikit-learn), and machine learning algorithms.
Familiarity with natural language processing (NLP) and/or large language models (LLMs) is a plus.
Experience with tools such as Gemini, ChatGPT, TensorFlow, PyTorch, Hugging Face, or similar frameworks.
Interest or coursework in sustainability, climate change, ESG, or environmental data
Ability to communicate findings clearly and collaborate with both technical and non-technical stakeholders.
A bonus would be that you have experience in sustainability and knowledge of sustainability frameworks (GHG Protocol, CDP, TCFD, SBTi) is a strong plus.
You take initiatives and would like to be challenged to grow, expand your skill set and are not afraid to make mistakes
You desire working with an incredible talented team and have a drive to support and enable exponential growth
Self motivated with stellar time management while working remotely
Highly proficient in English (C1 or higher) and Dutch.
Eligible to work in the Netherlands and based out of the Netherlands.
You are available to work at least 16 hours per week.
What’s in it for you:
Be part of a mission-driven company making a real climate impact.
Join a passionate and collaborative team at the forefront of sustainability tech.
Jump on this rapidly moving train and join an amazing journey that will fast-track your career, while growing professionally and financially.
Real-world experience applying AI to one of the most pressing global challenges: climate change.
Mentorship from experts in sustainability, software development, start-ups/scale-ups.
A collaborative, mission-driven work environment that values impact and innovation.
Potential for full-time employment post-internship based on performance and business needs.
Competitive base compensation
Vacation days
Hybrid position: Come join our shared office space in Rotterdam and you also have the possibility to work remotely.
Work-from-home and travel compensation
Fun team outings and, if desired, international trips!
Apply now via the bottom of this page!
Sustainability Consultant or Intern (North America or EMEA)
Role description
Sustaira is looking for a talented and driven Sustainability & ESG Consultant with Sustainability domain expertise and an interest in (content) marketing & communications, consulting and technology. In this role, you are a driver of sustainability and ESG knowledge, research and consulting, applying this in sales and (content) marketing campaigns, while working closely with our development team implementing applications specific to sustainability initiatives. Examples of focus areas are ESG disclosures (such as CSRD, CDP, GRi etc.), carbon accounting (including scope 3), target setting and net zero scenario analysis.
Responsibilities
(Continuous) Research Sustainability and ESG developments, such as disclosures frameworks and carbon accounting
Sustainability and ESG content generation, i.e. blogs, webinars, newsletters, website pages, press releases and customer cases
Work directly with (prospective) customers on ESG & Sustainability consulting projects and engagements
Support and collaborate with our Sustainability & Consulting partner network globally
Closely engage with our development team to generate solution user stories and requirements gathering and prioritizing
Set up and execute unique value propositions and related marketing campaigns
What we’re looking for:
An A+ sustainability and ESG allrounder, who is a self starter that wants to make a difference
You are passionate about Sustainability and ESG and would like to make a difference with content-driven insights, consulting and campaigns, supporting the product roadmap and prioritization
You communicate well, have a winners mentality, and like to work within a dynamic and global team
You have experience in (content) marketing and business development outreaches, such as creating blogs, webinars, email campaigns, (prospective) customer meetings and consulting workshops
You either studied Sustainability and/or have work experience in the Sustainability and/or ESG domain
You take initiatives and would like to be challenged to grow, expand your skill set and are not afraid to make mistakes
You desire working with an incredible talented team and have a drive to support and enable exponential growth
Self motivated with stellar time management while working remotely
You enjoy research and have an interest in experiencing a true startup environment
You have completed - or will soon complete - a Bachelor’s degree (or higher) in at least one of the following fields: Business Administration, Marketing & Communications, Environmental Studies, Environmental policy, Sustainability management, Environmental Science, Applied Sustainability and/or Environmental Management.
You also have a passion for, or experience with, IT and software.
An excellent writer and content generator
You are considered a wonderful communicator.
You are not afraid to pick up the phone and make a call.
You are able to work in a remote environment
Excellent research skills
The ideal candidate would be located in the Netherlands, however we’re flexible with this.
What’s in it for you:
Be part of a mission-driven company making a real climate impact.
Join a passionate and collaborative team at the forefront of sustainability tech.
Jump on this rapidly moving train and join an amazing journey that will fast-track your career, while growing professionally and financially.
Work with talented and ambitious colleagues in a dynamic international setting. Leadership has proven international experience and will directly work with you, leading by example.
Competitive base and variable compensation
Net sales proceeds bonus, equity options and comprehensive benefits
30 vacation days (based on a 40-hour work week)
Hybrid position: Come join our shared office space in Rotterdam and you also have the possibility to work remotely.
Pension with contribution from Sustaira
Health insurance, work-from-home and travel compensation
Fun team outings and, if desired, international trips!
Apply now via the bottom of this page!
Marketing & Business Development Intern (North America or EMEA)
Role description
Sustaira is looking for a talented and driven Marketing and Business Development ESG and Sustainability intern who has experience with marketing and business development tasks and a passion for Sustainability and technology. In this role you will be integral to marketing and sales tasks including running campaigns, creating content, hosting calls, and working closely with our team to make a difference! This is a paid, part-time role with the possibility of becoming a full-time role.
Responsibilities
(Continuous) Research Sustainability and ESG developments, such as disclosures frameworks and carbon accounting
Posting content on the Sustaira LinkedIn page multiple times a week
Creating and sending campaign emails
Setting up first calls or the appropriate meetings
Occasionally cold calling for campaign purposes
Assisting in content creation and editing such as: campaign emails, newsletters, blog posts, and press releases
What we’re looking for:
An A+ sustainability allrounder, who is a self starter that wants to make a difference
You have a passion for new technologies, in particular smart, innovative and creative web and mobile apps and/or application/software development
You communicate well, have a winner’s mentality, and like to work within a dynamic team!
You have experience in sales outreaches and typical marketing and business development tasks such as email campaigns, making calls, and setting up meetings.
A bonus would be that you have experience in sustainability or similar backgrounds that you are eager to share.
You take initiatives and would like to be challenged to grow, expand your skill set and are not afraid to make mistakes
You desire working with an incredible talented team and have a drive to support and enable exponential growth
Self motivated with stellar time management while working remotely
You enjoy research and have an interest in experiencing a true startup environment
What’s in it for you:
Be part of a mission-driven company making a real climate impact.
Join a passionate and collaborative team at the forefront of sustainability tech.
Jump on this rapidly moving train and join an amazing journey that will fast-track your career, while growing professionally and financially.
Work with talented and ambitious colleagues in a dynamic international setting. Leadership has proven international experience and will directly work with you, leading by example.
Competitive base and variable compensation
Net sales proceeds bonus, equity options and comprehensive benefits
30 vacation days (based on a 40-hour work week)
Hybrid position: Come join our shared office space in Rotterdam and you also have the possibility to work remotely.
Pension with contribution from Sustaira
Health insurance, work-from-home and travel compensation
Fun team outings and, if desired, international trips!
Apply now via the bottom of this page!
Apply Now!
If you are interested in either of the above roles, please fill out the form below to get in touch with the Sustaira team.
About us:
Sustaira is the Sustainability Platform and Marketplace for Sustainability solutions, services, connectors, and partners. Sustaira is on a mission to accelerate Sustainability initiatives by enabling and empowering Sustainability leaders to make their organizations more Sustainable. Faster. Imagine a world where cutting edge technology and Sustainability domain expertise are combined, going beyond goal setting, data gathering, and reporting. Sustaira makes it actionable, accountable, scalable, and rewarding. Sustaira: Your Sustainability Accelerator.

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