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At a glance
- Employment type
- Full-time
- Location
- Dublin, Ireland
- Workplace
- On-site
- Category
- Full-stack
Technologies & skills
Primary technologies
What you'll be doing
Atlas Growth at MongoDB seeks a mid-level Software Engineer (SE3) to contribute to customer-facing features, lead small projects, and collaborate with cross-functional squads. The role involves writing well-tested code, technical specs, and participating in code reviews, with a focus on growth and product impact.
- Contribute readable and well-tested code to ongoing projects
- Collaborate with product and design partners to implement and iterate on new customer-facing features
- Write scope and technical spec docs for new projects assigned by your manager
- Lead small working groups of two or three engineers for assigned projects
- Participate actively and constructively in code and document reviews
- Help product management identify improvements for features you own and drive them to completion
- Triage incoming support requests and alerts for products you own
- Participate in group-wide on-call rotation once onboarded
Key requirements
Must-have
- 3+ years of software engineering experience
- Fluency in TypeScript or JavaScript
- Experience with a modern framework (e.g. React)
- Experience writing database queries, either document-based or relational
- Experience writing and reviewing technical specs
- Experience leading small projects
Nice-to-have
- Proficiency in Java, Go, C++/C, or a similar compiled language
- Interest in A/B testing or product design
Experience: 3+ years
Role signals
- Technical focus
- full-stack
- Leadership
- Mentoring
- Hands-on vs management
- Hands-on
Similar jobs
Full job description
Atlas Growth is a cloud engineering group whose mission is to guide customers through their app development journey—from cluster configuration, data modeling and load testing, to running a production workload at scale. We use an in-house experiments platform which helps us validate our features quickly, releasing only the work that positively impacts our customers. Our engineers participate in cross-functional “squads” with product, design, analytics, and research focusing on a single metric (e.g. retention). Our engineering team is part of a larger Atlas Core Engineering org, building foundational elements of MongoDB’s developer data platform.
Atlas Growth 2 builds customer-facing features in Atlas and sits alongside other Growth engineering teams. Recent projects include an AI Chatbot for cluster creation, a recommendation system that offers tips for better database performance, and a pricing page designed to optimize conversion rates.
This role can be based out of our Dublin or Cork offices, or remotely in Ireland.
Role Overview
Atlas Growth seeks a mid-level software engineer (Software Engineer 3). SE3s are solid contributors to projects they work on and often lead projects of their own. They act in accordance with MongoDB’s core values and leadership principles, and are actively working toward a Senior role.
Candidate Profile
-
3+ years of software engineering experience, with fluency in TypeScript/JavaScript, and experience with a modern framework (e.g. React)
-
Proficiency in Java, Go, C++/C, or a similar compiled language is a plus
-
Experience writing database queries, either document-based or relational
-
Experience writing and reviewing technical specs, and leading small projects
-
Interest in A/B testing or product design
Expectations
-
Contribute readable and well-tested code to ongoing projects
-
Collaborate closely with product and design partners to implement and iterate on new customer facing features
-
Write scope and technical spec docs for new projects assigned by your manager. Lead small working groups of two or three engineers for these projects
-
Participate actively and constructively in code and document reviews
-
Help product management identify improvements for features you own and drive them to completion
-
Triage incoming support requests and alerts for products you own, and participate in group-wide on-call rotation once onboarded
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 75% of the Fortune 100 and AI-native startups, 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.
MongoDB is an equal opportunities employer.
Req ID: 2273494494
Interview prep pack
Grounded in this listing. Use it to prepare examples before you apply.
Your interview focus
Based on this listing, the Software Engineer 3 role at MongoDB Atlas Growth is a mid-level, hands-on engineering position focused on building customer-facing features, collaborating with cross-functional teams, and leading small projects within a cloud data platform environment.
- Full-stack technical proficiency·High
- Project leadership and documentation·High
- Cross-functional collaboration·Medium
- Operational ownership·Medium
Only have 30 minutes?
Follow a focused preparation plan based on this job.
Start 30-minute prep
Your 30-minute plan
Review and Practice Full-stack Coding
0–10 minSpend time coding in TypeScript/JavaScript and React, focusing on building and testing customer-facing features.
Prepare Leadership and Technical Spec Examples
10–16 minOutline 1-2 stories where you led small projects and authored technical documentation.
Refresh Database Querying Skills
16–22 minPractice writing and optimizing queries in both document-based and relational databases.
Review A/B Testing Concepts
22–26 minRead up on experimentation platforms and prepare to discuss how A/B testing informs product decisions.
Draft Questions for the Interviewer
26–30 minSelect and personalize 2-3 questions to ask about team structure, processes, and challenges.
Talking points
, 5 itemsFull-stack Development with TypeScript/JavaScript and React
You will need to demonstrate your ability to build and maintain customer-facing features using modern frameworks and languages.
Technical Specification Writing and Project Leadership
The role expects you to write technical specs and lead small engineering groups, so be ready to discuss your experience in these areas.
Database Querying (Document-based or Relational)
Experience with database queries is required; prepare examples of how you've designed or optimized queries in past projects.
Collaboration and Cross-functional Work
You will work closely with product, design, and analytics, so be prepared to discuss how you communicate and collaborate across disciplines.
Code and Document Review Participation
Active participation in reviews is expected; be ready to share how you give and receive feedback constructively.
What to research
, 4 itemsReview TypeScript/JavaScript and React Fundamentals
Brush up on advanced concepts, component design, state management, and testing best practices.
Prepare Examples of Technical Specification Writing and Project Leadership
Gather concrete stories where you led small teams and authored technical documentation.
Refresh Knowledge of Database Querying
Review both document-based (e.g., MongoDB) and relational query design and optimization.
Understand A/B Testing and Experimentation Platforms
Familiarize yourself with the basics of A/B testing and how experimentation informs product decisions.
Questions to ask
, 6 itemsHow are engineering squads structured and how do they collaborate with product and design?
Why ask this? Clarifies team dynamics and cross-functional workflows.
What is the process for proposing and leading new projects within the Atlas Growth team?
Why ask this? Helps you understand opportunities for initiative and leadership.
How does the team approach code reviews and technical documentation?
Why ask this? Reveals expectations for quality and communication.
What tools and processes are used for monitoring, support, and on-call rotations?
Why ask this? Gives insight into operational responsibilities and support culture.
How does the team measure the success of new features or experiments?
Why ask this? Shows how impact is tracked and how data informs development.
What are the typical challenges faced when building customer-facing features at scale?
Why ask this? Prepares you for the technical and organizational complexities of the role.
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