Startup Internships

Why Intern at a Startup?

Interning at a startup offers a unique chance to make a real impact from day one. Unlike large corporations, startups give interns more responsibility, flexibility, and exposure to different roles.

You’re not just watching—you’re contributing. If you intern at a startup, you’ll likely work closely with founders, learn fast, and build valuable skills that set you apart. This hands-on experience helps you grow your confidence and adaptability in a dynamic environment.

Plus, many interns for startups turn these short-term roles into full-time opportunities. Read more about the benefits of interning at a startup.

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Startup Internships - Interns for Startups

Internships at Startups

Remote Account Executive (Germany-speaking) Intern
Paris
💰 Paid
18/07/2025
Following our recent funding round, Kraaft is expanding internationally and looking for its new Account Executive for Germany.
View  Apply
B2B Outbound Sales Intern at a Healthcare AI Startup in Bilbao
Bilbao
📈 Sales and Business Development
💰 Paid
11/07/2025
About the Company<br/>A fast-growing healthtech startup using AI to transform physiotherapy. They provide personalised, remote recovery programmes for people dealing with injury or pain helping them get better from anywhere. The company operates in LATAM and now in the UK.
View  Apply
Business Development Intern at a Architectural Studio in Barcelona
Barcelona
💰 Paid
30/06/2025
About the Studio<br/>This Barcelona-based design studio operates at the intersection of architecture, urbanism, and engineering, with a focus on livability, environmental realignment, and architectural innovation. Active in both local and international markets, including Europe and the Middle East, the studio approaches each project with analytical rigor, deconstructing complex challenges to uncover transformative, often unexpected solutions.
View  Apply
Software Development Intern at a LegalTech AI Startup in Paris
France
💰 Paid
27/06/2025
About Primmo<br/>We’re building an AI-powered platform to help teams automate repetitive tasks — fast, reliably, and without needing to code. Our product is already used by operators, founders, and growth teams across Europe to save time and increase productivity.
View  Apply
Fluent French-Speaking Go-To-Market Intern at a LegalTech AI Startup in Paris
France
💰 Paid
27/06/2025
About Primmo<br/>Primmo is a fast-moving startup helping legal teams automate their most repetitive workflows using powerful yet simple AI. By enabling founders, operators, and sales teams to automate time-draining tasks without code, we’re redefining productivity in the modern workplace.
View  Apply
Sales Intern (UK) at a Fashion Ecommerce Startup
📈 Sales and Business Development
💰 Paid
30/06/2025
The Role<br/>Join us on an entrepreneurial journey at the intersection of fashion and Artificial Intelligence. As a Sales Intern, you’ll work directly with our CEO and Head of Sales to launch and grow our UK market presence. You'll be trained on our proven sales playbook and play an integral role in running the full sales cycle, from prospecting to closing deals.
View  Apply
Sales & Business Development at Cybersecurity Startup
📈 Sales and Business Development
NA
17/06/2025
We’re looking for a versatile intern who can support both sales and marketing functions as we grow our reach in the developer tools ecosystem. This role blends outbound sales, competitor research, and content creation. Ideal for someone curious about SaaS, developer communities, and early-stage growth, this internship offers hands-on experience across key functions of a growing company.
View  Apply
Business Growth & Sales Internship Opportunity in a Sustainability Startup targeting the Baby Market
Barcelona
📈 Sales and Business Development
💰 Paid
27/06/2025
As a Business Growth & Sales Intern, you’ll play a direct role in our growth journey, gaining hands-on experience in business development, sales strategy, and marketing. You’ll collaborate closely with our founders and team to identify, nurture, and convert new business opportunities, making meaningful contributions to our strategic sales initiatives.
View  Apply
(Remote) Technical Strategy Intern For Software Startup
Barcelona
👨‍💻👩‍💻 Curricular Internship
💰 Paid
27/06/2025
A high-growth startup is seeking a technically skilled intern to support enterprise use cases, build lightweight tools, and contribute to cross-functional technical projects. This role is ideal for someone who enjoys working at the intersection of product, engineering, and growth. The intern will help prototype integrations, support advanced users, and tackle technical challenges that support the broader business strategy.
View  Apply
Founder’s Associate & Business Development Intern in a Pilates startup
Barcelona
💡 Founders Associate
€400 Per Month
16/06/2025
This is a unique internship working closely with the founder and core team. You’ll gain hands-on exposure across both business operations and growth strategy, supporting everything from studio logistics and financial admin to brand partnerships and business development. It’s an ideal role for someone who’s excited by wellness, startups, and learning the behind-the-scenes of building a purpose-driven company.
View  Apply
(Remote) Founders Associate Intern at an AI startup
Barcelona
💡 Founders Associate
💰 Paid
27/06/2025
A proactive Founders Associate intern to join the team and support community management, social media activities, and go-to-market (GTM) strategy development. This role offers a unique opportunity to work closely with the founding team, gaining exposure to startup growth and tech innovation. While the company doesn’t have a formal office, the team works remotely and values strong communication and collaboration.
View  Apply
Sales Intern at a Restaurant Delivery Startup
Madrid
📈 Sales and Business Development
💰 Paid
09/06/2025
The Role<br/>As a Sales Intern, you’ll join our SMB team, working closely with restaurant clients, Customer Success Managers, and Account Managers. You’ll play a key role in driving our growth by connecting with potential clients and introducing them to the value of Pleez.
View  Apply
Sales Development Representative (SDR) Intern
Madrid
💰 Paid
09/06/2025
This 6-month, in-office internship in Madrid offers hands-on experience in B2B SaaS sales at a fast-growing startup. As an SDR intern, you’ll help generate and qualify leads, work closely with Sales and Marketing, and gain practical skills in outreach, CRM, and pipeline building. Ideal for a proactive, commercially-minded candidate eager to launch a career in tech sales.
View  Apply
Sales Intern at a Barcelona-based Co-living Startup
Barcelona
💰 Paid
06/06/2025
The Role<br/>As a Sales Intern, you’ll work directly with the team to help grow occupancy and manage inbound interest from students and young professionals looking for housing. You'll engage with potential residents, support the sales funnel, and help optimise their leasing process. Ideal for someone motivated, communicative, and eager to make an impact.
View  Apply
Administration Intern at a Barcelona-based Co-living Startup
Barcelona
⚙️ Operations
💰 Paid
06/06/2025
The Role<br/>As an Administration Intern, you’ll support day-to-day business operations and play a key role in keeping internal processes organised and running smoothly. It’s a great fit for someone who’s detail-oriented, reliable, and eager to build hands-on experience in a structured startup environment.
View  Apply
Community Manager Intern at a Barcelona-based Co-living Startup
Barcelona
📈 Sales and Business Development
💰 Paid
06/06/2025
The Role<br/>As a Community Manager Intern, you’ll be at the heart of building and nurturing a vibrant resident experience. From onboarding new tenants to organising events and managing day-to-day communications, your work will shape the community’s culture and satisfaction. This role is ideal for someone who loves people, thrives in social environments, and is excited to grow in a fast-moving startup.
View  Apply
International Expansion Intern at a Women’s Health & Wellness Startup
Barcelona
📈 Sales and Business Development
💰 Paid
05/06/2025
A fast-growing startup on a mission to redefine women’s health, with a focus on menopause. Using a combination of science, technology, and tailored support, the team is building holistic solutions to improve the lives of millions. With growing traction and a bold vision to become a global category leader, the company is now preparing to scale internationally.
View  Apply
Consumer Account Executive Placement Student at a PR agency in the Gaming industry
London
📈 Sales and Business Development
💰 Paid
18/06/2025
This home-based Consumer Account Executive role at a dynamic PR agency offers a unique opportunity to work with gaming clients across PC, mobile, console, and more. The position involves day-to-day client management, media outreach, social media support, and creative storytelling, all while contributing to an award-nominated agency focused on global video games communications.
View  Apply
Founders Associate intern for 2 startups at the intersection of the Real Estate industry
Barcelona
💡 Founders Associate
💰 Paid
05/06/2025
This role is a unique opportunity for an entrepreneurial intern to support two fast-growing startups — one in creative production and one in real estate — as a Founder’s Associate Intern, gaining hands-on experience in business strategy, operations, and creative execution. Based in Barcelona, this six-month internship offers the chance to work closely with founders, contributing across marketing, logistics, client relations, and more, while building valuable insights into how startups grow from the ground up.
View  Apply
Tech Back-End Developer Graduate Associate at a global invoice startup (YC-backed)
Madrid
💻 Web Development and UI/UX
💰 Paid
05/06/2025
This YC-backed startup is modernising global e-invoicing compliance with a developer-first API that generates and submits compliant invoices worldwide. They’re seeking a recent graduate in Madrid to join their engineering team as a Back-End Developer, contributing to the core systems that power their platform and working alongside experienced engineers to solve complex real-world problems at scale.
View  Apply
Graduate Business Development Associate in a global invoice startup
Madrid
📈 Sales and Business Development
💰 Paid
05/06/2025
This Y Combinator-backed fintech startup simplifies global e-invoicing compliance through an API that converts sales data into locally compliant invoices. They’re seeking a proactive Business Development Associate in Madrid to help drive growth, manage client relationships, and contribute to expanding their international reach.
View  Apply
Community Management & Sales intern at female-focussed members club
Barcelona
📈 Sales and Business Development
💰 Paid
02/06/2025
Join Barcelona’s first women-only members' club as a Membership Intern, supporting member retention, community-building, and data analysis in a dynamic, inclusive coworking and wellness space. This 6-month, on-site role is perfect for a detail-oriented, proactive individual excited about community engagement.
View  Apply
Customer Success & Sales Intern at a FinTech startup
Barcelona
🎧 Customer Success
💰 Paid
30/05/2025
This internship role involves supporting both customer success and business development by managing client relationships, analyzing key success metrics, and contributing to sales content and strategy. The ideal candidate is a proactive, bilingual (Spanish and English) final-year student or recent graduate with CRM knowledge, ready to join a dynamic team in September 2025 for a 6-month hybrid internship.
View  Apply
Public Relations & Social Media intern in a private clinic
Barcelona
📢 Digital Marketing
💰 Paid
27/05/2025
Join a cutting-edge longevity clinic in Barcelona as a PR & Social Media Intern, where you’ll craft creative campaigns and drive media buzz to make the brand a household name. Ideal for an energetic, Spanish-speaking intern passionate about wellness, storytelling, and digital marketing.
View  Apply
UK Business Development intern for Healthcare Startup in Barcelona
Barcelona
📈 Sales and Business Development
💰 Paid
27/05/2025
Join a purpose-driven healthcare organisation improving dental access for people with mobility challenges across the UK and Spain. As a Business & Sales Intern in Barcelona, you’ll support operations, outreach, and cross-market growth while gaining hands-on experience in international healthcare delivery.
View  Apply

Interns for Startups

Best Startup Roles for Interns

Some of the best startup roles for interns offer direct exposure to leadership and fast-paced projects. These roles let you contribute meaningfully while learning how startups really work:

Each of these startup internships helps build skills that matter—fast.

Where to Find Startup Internships

Looking for startup internships that actually lead somewhere?

On TheInterna, you’ll find curated opportunities across marketing, sales, strategy, operations, and more—all in one place. Use our filters to explore roles by country, duration, sector, or remote options. Whether you want to intern at a startup in Europe or join a remote team, we make it easy to find internships that match your goals.

Start browsing and apply with confidence—these roles are updated regularly and designed for ambitious students and grads.

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How to Apply for a Startup Internship with theInterna

1. Search

Browse our curated list of marketing internships with global startups (average length 3-12 months). New opportunities are posted regularly—sign up to stay updated and never miss a match.

2. Apply / Create Profile

Submit your application directly through theInterna. Take your time—this is your chance to show your personality, goals, and interests. One strong profile gives you access to multiple internships.

3. Interview with theInterna

If your application is shortlisted, you’ll be invited to a short interview with our team. We’ll get to know you better, answer your questions, and understand what kind of internship suits you best.

4. Get Matched with Internships

Once we understand your strengths and goals, we’ll introduce you to internship opportunities that fit. You’ll meet multiple startups and choose where you’d like to interview.

5. Final Interviews & Offers

You'll have interviews directly with startup founders or marketing leads. If there's a good fit, you'll receive one or more internship offers—and choose the one that excites you most.

6. Prep with Our Free Course

Before starting, you’ll join our short online course designed to boost your confidence, entrepreneurial mindset, and marketing readiness—so you start your internship strong.

7. Begin Your Startup Internship!

You're in. Join your new team, dive into real marketing work, take ownership, and build portfolio-worthy results from day one.

Apply Now

What Students Say About theInterna’s Startup Internships

theInterna Reviews: Real Stories from Internship Students

Many students who’ve completed an internship or placement year, like those featured on theInterna, highlight how it transformed their careers by offering hands-on experience and valuable connections.

To help with your decision, consider reading testimonials or listening to real stories from students who’ve gone through placements.

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Student Testimonials on theInterna’s Internship Experience

Tom Coleman
Tom ColemanStudent - Durham
theInterna has been very helpful with not only finding me a valuable internship in a Spain but also by providing a crash course into the world of start-ups that means I can provide more value to the company I’ll be working for. The course content was perfectly balanced between concepts, tools, and practical exercises. I feel ready to hit the ground running!
Hannah Kenyon
Hannah KenyonStudent - University of Leeds
The Strategy, Sales and Digital Marketing course ran by theInterna has been truly amazing. Packed with content, diagrams and links to external platforms, I have learnt so many new things and it has broadened my areas of interest. I now feel much better equipped and have formed more of an idea of my career path when I graduate. theInterna also set me up with a brilliant internship in Spain, providing a flawless process from the initial call through to securing the placement, and it has been a pleasure having the agency as a point of contact. Without a doubt I would recommend theInterna.
Hannah Yates
Hannah YatesStudent - Cardiff University
Outstanding training and support provided by theInterna. The training comprised a variety of invaluable resources, presented clearly and concisely, with a good mixture of videos, articles and exercises to put our knowledge into practice. The calls were useful to consolidate what I’d learnt over the week and get clarity on anything I was unsure of. Not only do I feel better equipped to begin my internship, but I feel inspired to create my own startup in the near future!
Imogen Barrett
Imogen BarrettStudent - Oxford
the Interna is a fantastic organisation which feels so tailor made to your needs: you get a consultation call with theInterna to help you find the best option for an internship. The new Interna training course is an amazing free add on to boost business skills and add to your CV.
Samuel Carro
Samuel CarroStudent - Cardiff University
I personally believe that this course was so beneficial for me whilst also on my placement. Joining a Start-up can be very fast-paced sometimes, and you often have to learn on the job. Doing this course alongside my job allowed me to learn some valuable skills that I needed in future weeks! What I liked most was the flexibility of the course, there were lots of resources that you could use, but if you did not have enough time, there were summary pages that were clear and concise! It as a great and very interesting course.

Startup Internship Tips from theInterna

What Startups Look for in Interns

Startups move fast, so they value interns who are adaptable, proactive, and ready to learn. Unlike big companies, they often skip formal training and expect you to contribute quickly. To stand out when applying to internships at startups, focus on showing:

  • Problem-solving skills – Can you figure things out on your own?
  • Curiosity and initiative – Do you take action without being told?
  • Communication – Are you clear, responsive, and easy to work with?
  • Basic technical or marketing skills – Depending on the role
  • A growth mindset – Are you open to feedback and learning?

Even without experience, showing these traits can land you the internship.

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Startup Internships - Internships at Startups

How to Prepare for Your Internships at Startups

Getting ready for internships at startups starts with understanding the role and what’s expected. Before your first day, make sure to:

  • Read the internship offer carefully – Understand the tasks, tools, and expectations
  • Update your CV – Tailor it to the role using our placement CV guide
  • Build key skills early – Review tools or topics relevant to the role
  • Set learning goals – Know what experience you want to gain
  • Going abroad? – Erasmus students can check our tips for Erasmus internships

For more preparation advice, see our full guide on how to prepare for an internship.

How to Make the Most of Your Startup Internship

To make the most of your startup internship, show up curious, proactive, and ready to learn fast. Startups move quickly, so your ability to adapt and contribute matters more than perfection. Here’s how to get the most out of the experience:

  • Take initiative – Don’t wait to be told what to do
  • Ask smart questions – Clarify tasks and show you care
  • Track your work – Build a record of what you achieved
  • Network internally – Learn from different roles and teams
  • Ask for feedback – It’s how you grow

For more practical tips, read our full guide on how to make the most of your internship.

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FAQs about Startup Internships

Right here on theInterna—the only platform fully dedicated to connecting students and grads with real startup internship opportunities in the UK. We’re building what most startups haven’t: a structured, accessible space to find and apply for meaningful roles.

Use theInterna to apply for curated roles where startups actually want interns. We guide both sides—helping founders onboard interns and helping students show up ready from day one.

That’s exactly what theInterna is for. Many of the best learning experiences come from “no-name” startups doing big things. We spotlight them, so you don’t miss out just because they aren’t on major job boards.

Yes! theInterna welcomes recent graduates looking to break into the startup world. Many of our listings are flexible and designed for those transitioning into work life with real projects and founder access.

TheInterna focuses on students in their final or penultimate year, so we don’t offer internships to first-year students. If you’re just starting out, try exploring opportunities on platforms like LinkedIn, StudentJob UK, or reach out to university career services for early experience programs.

theInterna includes remote-first and hybrid roles from UK startups. You can filter by location or remote work to find options that match your lifestyle and learning goals.

Search theInterna for roles like Founder’s Associate or Operations Intern. We actively encourage founders to create these rare, high-trust positions—and we help both sides make them work.

Startups listed on theInterna are genuinely looking for interns to contribute and grow with their teams. Some internships are paid, while others are not—details are always clearly stated in the job description. We work with startups that value interns and aim to create real learning opportunities, not just free labour. Always check the listing to understand what’s offered.

The go-to platform for startups to hire interns for placement opportunities in the UK, Ireland, and abroad.

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