2027 - Summer Software Engineer Intern, Dublin

MongoDB
Full-time•Full-stack•Dublin, Ireland · Remote within Ireland · Hybrid
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At a glance

Employment type
Full-time
Workplace
Hybrid
Category
Full-stack

Technologies & skills

Cloud & infrastructure

What you'll be doing

10-week summer internship at MongoDB in Dublin for students pursuing a CS-related degree. Interns collaborate with engineers, contribute production code, and gain practical experience. Includes mentorship, career coaching, networking, and potential path to full-time employment. Hybrid work model (3-5 days/week in office).

Key requirements

Must-have

  • Pursuing a Bachelor's or Master's in Computer Science, Computer Engineering, or related field
  • Foundation in computer science theory, data structures, algorithms, and software design
  • Fluency in at least one of: Java, Python, Go, C++, JavaScript, Node.js, or similar OOP language
  • At least one semester/quarter remaining after internship
  • Authorization to work in Ireland

Role signals

Technical focus
full-stack
Leadership
Mentoring
Hands-on vs management
Hands-on

Full job description

We’re seeking curious minds like yours to collaborate with full-time engineers and cross functional teammates, learn development standard methodologies, and gain practical software engineering experience.

Software engineering interns are fully integrated into software engineering teams across our Product and Technology organization. Interns spend their summer pushing production-level code to make lasting contributions across MongoDB’s products and services for our internal teams, external customers, and developer end users.

This is a 10 week internship starting in June 2027.

What we are looking for in you (qualifications)

  • In the process of receiving a Bachelor’s or Master's degree in Computer Science, Computer Engineering, or a related field.

  • Have a foundation in computer science theory, with proficiencies in data structures, algorithms, and software design.

  • Fluent in any one of the following programming languages:

  • Java,

  • Python, Go, C++,

  • Javascript,

  • Node.js - or a comparable object-oriented programming language.

  • Have a minimum of one quarter/semester remaining in university studies after the internship concludes. Graduation date in, Spring 2028, Summer 2028, Fall 2028, Spring 2029 or Summer 2029.

  • Must be authorized to work in Ireland and provide the Company with copies of all relevant documents, if requested. Company sponsorship may be available for eligible candidates applying for certain roles.

What you'll find at MongoDB

  • Authentic Culture:

  • A workplace where you are encouraged to bring your whole self to work, we believe that

  • Embracing the

  • Power of

  • Differences is the best way to broaden our own perspectives and foster innovation.

  • Personalized Mentorship:

  • Pair up with an engineering

  • Mentor, a

  • Program

  • Advisor from the

  • Early

  • Talent

  • Recruitment

  • Team, and an[

  • Employee

  • Resource

  • Group](https://www.mongodb.com/careers/diversity-and-inclusion) (ERG)

  • Guide to foster your growth.

  • Career Coaching Sessions: Access to a tailored training program designed uniquely for interns’ personal and professional development.

  • Work-Life Harmony:

  • Embrace "Bloom for

  • Interns" with access to mental and physical health benefits, paid time off, free lunch, and more!

  • Impactful Projects:

  • Contribute to projects where you can

  • Make it

  • Matter - your meaningful work will see the light of day.

  • Exclusive Networking:

  • Attend "Speaker

  • Series" and "Get to

  • Knows" to connect with our executives and departmental leaders.

  • Vibrant Community: Build connections with fellow interns and join after-work social events, virtual gatherings, and local city activities to create connections and friendships.

  • Relocation Support: Housing to allow you to comfortably settle into your new location.

  • Path to Full-Time:

  • A chance to see if

  • Mongo

  • DB is where you see yourself long term with the possibility of receiving a full time offer at the end of the summer!

MongoDB internships are full-time (40 hours/week) for 10 consecutive weeks lasting from dates in June until August. All interns are considered hybrid employees, designated the "in office" working model and are expected to be in their office location 3-5 days a week.

Due to the high volume of applications our Early Talent Recruitment Team receives, it may take up to six weeks to hear back regarding an update on your application status. Our goal is to get back sooner, but we appreciate your patience as our team carefully reviews each application.

About MongoDB

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the data platform for the AI era, enabling builders to create, transform, and disrupt industries with software. MongoDB’s unified data platform, the most widely available, globally distributed data platform on the market, helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud data platform and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and over 67,000 customers, including AI-native startups and approximately 75% of the Fortune 100, relying on MongoDB for their most important applications, we’re powering the next era of software.

Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB.

To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world!

MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.

Req ID: 3273577066

Interview prep pack

Grounded in this listing. Use it to prepare examples before you apply.

Your interview focus

Based on this listing, the 2027 Summer Software Engineer Intern role at MongoDB in Dublin is a hands-on, full-stack internship for students with a strong foundation in computer science theory and proficiency in at least one major programming language. The position emphasizes collaboration, learning best practices, and contributing production-level code within a hybrid work environment.

  • Technical Foundations·High
  • Team Collaboration·High
  • Adaptability·Medium

Only have 30 minutes?

Follow a focused preparation plan based on this job.

Start 30-minute prep

Your 30-minute plan

  1. Review Data Structures and Algorithms

    0–10 min

    Spend time solving practice problems and reviewing key concepts to ensure you can discuss and apply them confidently.

  2. Practice Coding in Your Preferred Language

    10–17 min

    Work through coding exercises or small projects in your strongest language to prepare for technical discussions.

  3. Reflect on Teamwork and Learning Experiences

    17–22 min

    Prepare examples from coursework or extracurriculars that demonstrate collaboration and adaptability.

  4. Research MongoDB’s Products and Culture

    22–27 min

    Read about MongoDB Atlas, company values, and recent news to tailor your motivation and questions.

  5. Prepare Questions for the Interviewer

    27–30 min

    Draft thoughtful questions about the internship structure, mentorship, and team dynamics.

Likely questions

, 6 items

Priority reflects how strongly this topic is emphasised in the job listing, not whether it will be asked.

Talking points

, 5 items
  • Data Structures and Algorithms

    Demonstrate your understanding of core CS concepts and problem-solving skills, as these are foundational for software engineering tasks.

  • Object-Oriented Programming (OOP)

    Showcase your fluency in at least one OOP language (e.g., Java, Python, C++, JavaScript, Node.js) and your ability to design maintainable code.

  • Software Design Principles

    Illustrate your grasp of best practices in software design, which is important for writing scalable and reliable code.

  • Team Collaboration and Communication

    Highlight your experience working in teams, as the internship involves collaborating with engineers and cross-functional teammates.

  • Learning and Adapting to New Technologies

    Prepare to discuss how you quickly learn new tools or frameworks, as the environment is fast-paced and may involve unfamiliar technologies.

What to research

, 4 items
  • Review Core Data Structures and Algorithms

    Brush up on arrays, linked lists, trees, hash maps, sorting, and searching algorithms.

  • Practice Coding in Your Strongest Language

    Prepare to discuss and demonstrate proficiency in Java, Python, Go, C++, JavaScript, or Node.js.

  • Understand Software Design Principles

    Review concepts like modularity, abstraction, and code maintainability.

  • Research MongoDB’s Products and Culture

    Familiarize yourself with MongoDB Atlas, the company’s mission, and its approach to diversity and inclusion.

Questions to ask

, 6 items
  1. What types of projects do interns typically work on during the summer program?

    Why ask this? Clarifies the scope and impact of intern contributions.

  2. How are interns supported in learning new technologies or tools used by the team?

    Why ask this? Shows your interest in growth and mentorship.

  3. Can you describe the mentorship structure for interns?

    Why ask this? Helps you understand the support network available.

  4. What does success look like for an intern at MongoDB?

    Why ask this? Clarifies performance expectations and evaluation criteria.

  5. How do teams at MongoDB collaborate across different functions?

    Why ask this? Demonstrates your interest in teamwork and cross-functional collaboration.

  6. What are some examples of past interns who have transitioned to full-time roles?

    Why ask this? Shows your interest in long-term opportunities and career growth.

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Apply NowApply before: 22 Nov 2026