Mid-Level Full Stack Engineer Resume Example
A full stack engineer resume example with React, Node.js, and TypeScript in SaaS. Ideal for B2B product and scale-up roles.
Why this works
- Impact-first bullets with clear metrics
- Relevant stack for B2B SaaS companies
- Progression from junior to mid-level roles
- Grouped technical skills for fast scanning
- Concrete project example with open-source link
Mid-Level Full Stack Engineer Resume: full text
Summary
Mid-level Full Stack Engineer with 4 years of experience building scalable B2B SaaS products using React, Node.js, TypeScript, and PostgreSQL. Proven track record in delivering features to 30k+ users, optimizing system performance by 35%, and collaborating across distributed teams.
Experience
Full Stack Engineer
FlowSync Solutions, Amsterdam, Netherlands · 2021 – Present
- Delivered 15+ new features for a workflow automation SaaS serving 28k monthly users
- Refactored core API endpoints in Node.js, reducing response latency by 35%
- Led TypeScript migration for frontend codebase, cutting bug rates by 22%
- Implemented role-based access controls, improving security and passing SOC 2 audit
- Mentored 3 junior developers on React patterns and code reviews
Junior Full Stack Developer
InsightGate Technologies, Utrecht, Netherlands · Sep 2019 – Jun 2021
- Built dashboard modules in React and Node.js for a B2B analytics platform
- Optimized PostgreSQL queries, improving report generation time by 40%
- Launched integration with 3rd-party CRM, increasing customer adoption by 18%
- Collaborated with QA to implement Cypress E2E testing, reducing post-release issues by 30%
Projects
TeamPulse – Real-Time Feedback Platform
Creator & Lead Developer
- Developed a real-time feedback tool for remote teams using React, Node.js, and WebSocket
- Deployed PostgreSQL-backed analytics dashboard with custom reporting
- Open-sourced on GitHub; 250+ stars
Skills
Frontend
React, Redux, TypeScript, Styled Components, Material UI
Backend
Node.js, Express, TypeScript, REST API Design
Database
PostgreSQL, Prisma, Knex.js
Testing
Jest, Cypress, React Testing Library
DevOps & Tooling
Docker, GitHub Actions, AWS (EC2, S3)
Education
BSc Computer Science
Vrije Universiteit Amsterdam · 2016 – 2019
- Graduated with Honours
- Capstone project: SaaS admin panel with React and Node.js
How to write a mid-level full stack engineer resume
Hiring managers for mid-level full stack engineer positions want to see hands-on experience shipping features in production, especially within modern SaaS environments. Your resume should highlight ownership of end-to-end projects, measurable impact on performance or reliability, and collaboration with product, design, and QA teams.
Structure your resume to emphasize both frontend and backend projects, using specific technology names (e.g., React, Node.js, PostgreSQL). Quantify your achievements—mention user base size, performance gains, or security improvements. Include mentoring junior developers or leading small initiatives to show readiness for increased responsibility.
What skills should a full stack engineer put on a resume?
A full stack engineer resume should show proficiency across both client and server, with supporting skills in database design, testing, and DevOps. Technical breadth is critical, but highlight depth in your primary stack and modern approaches to deployment and testing.
- Frontend: React, Redux, TypeScript, Styled Components, Material UI
- Backend: Node.js, Express, REST API design, TypeScript
- Database: PostgreSQL, Prisma, Knex.js
- Testing: Jest, Cypress, React Testing Library
- DevOps & CI/CD: Docker, GitHub Actions, AWS (EC2, S3)
Full stack engineer resume bullet point examples
Use action-oriented bullet points that demonstrate your impact and technical range. Metrics and context help hiring managers understand your contributions.
- Built automated deployment pipeline with GitHub Actions and Docker, decreasing release times by 40%
- Migrated legacy JavaScript frontend to React + TypeScript, reducing critical errors by 25%
- Designed and implemented RESTful APIs with Express and PostgreSQL, supporting 20k+ daily active users
- Integrated third-party authentication via OAuth2, streamlining onboarding and improving security compliance
- Collaborated with QA to establish Cypress-based regression suite, catching 95% of high-priority bugs before release
Common mistakes on full stack engineer resumes
Mid-level full stack applicants often overlook project scope or fail to highlight measurable impact. Ensure your resume avoids these common pitfalls:
- Listing technologies without context—always specify project or feature use
- Neglecting to quantify results—include metrics like user count or performance gains
- Overemphasizing frontend or backend—balance both sides of the stack
- Omitting collaboration or mentoring—show teamwork and leadership potential
Frequently asked questions
How long should a mid-level full stack engineer resume be?
One page is ideal for mid-level full stack engineers with up to 5 years’ experience. Prioritize impactful projects, relevant technologies, and quantifiable outcomes. If you have extensive side projects or notable achievements, a second page is acceptable but avoid filler.
Should I include personal or open-source projects on my resume?
Yes, list open-source or personal projects if they use your core stack (e.g., React, Node.js, PostgreSQL) and demonstrate real users, adoption, or technical complexity. Projects with public code or measurable impact (stars, contributors) add credibility and practical depth.
How do I show leadership on a mid-level engineering resume?
Highlight experiences where you mentored junior developers, led code reviews, or spearheaded migrations or feature launches. Focus on instances where your guidance improved processes, code quality, or team performance—even if you didn’t have a formal leadership title.
What keywords or technologies are most important to include?
Emphasize your main stack: React, Node.js, TypeScript, PostgreSQL. Also include related tools like Docker, GitHub Actions, Prisma, and testing frameworks (Jest, Cypress). Mention SaaS, REST APIs, and any relevant security or compliance experience to align with B2B product requirements.