Tech & Data Resumes: The Nucléus Collection for Developers and Data Scientists

Whether you're a full-stack developer, a data scientist, an SRE engineer, or a technical product manager, you know a tech resume doesn't quite follow the same rules as a classic one. Specialized recruiters read fast, look for a clear stack, live code links, and above all measurable outcomes. In this guide, we'll walk through how to present your profile so it resonates with lead engineers and CTOs, and why the Nucléus collection was built exactly for that.
Fileify's Nucléus collection is the resume family dedicated to code and data roles. Its visual DNA: technical grids, monospace typography for stacks, cobalt and neon purple accents on dark backgrounds, strong contrasts that echo modern code editors. It's a dense, precise collection that makes it immediately obvious the reader is talking to someone who ships systems. Pick it if you're applying to a tech scale-up, a platform team, an AI startup, or a software vendor where design matters as much as rigor.
Present Your Technical Stack Without Drowning the Reader
The first thing a lead engineer looks at is your stack. Poorly organized, it reads like a buzzword list; well structured, it tells a trajectory.
Group by Category
Don't list your techs in a flat line. Create clear subgroups: Languages, Frontend, Backend, Data & ML, Infra & Cloud, Tools. This breakdown lets the reader scan in seconds and see where you're strongest.
Be Honest About Levels
Distinguish what you use daily from what you've merely touched. A simple convention works well: core stack (bold), secondary stack (regular), notions (italic). Avoid percentage progress bars: they're subjective and won't hold up in an interview.
Keep Your Stack Current
Remove techs you haven't touched in three years if they aren't relevant to the role. A tech resume is a Git repo: rebase it.
Link to GitHub, Portfolio, and Side Projects Cleanly
A tech resume with no external links looks suspicious. But a resume overloaded with links is unreadable.
- One GitHub link in the header, next to your email and LinkedIn. Make sure your profile is up to date, with a landing README and at least two or three clean repos.
- No more than two side projects in the body, and only if they demonstrate a skill your professional experience doesn't cover (e.g., a Rust side-project when you're a Node developer).
- One link per project, directly under the project title, pointing to the repo or a live demo. Avoid QR codes on a PDF resume: nobody scans a PDF.
- Clean up your public repos before highlighting them: a clear README, a license, readable commits.
Quantify Technical Impact, Not Activity
This is the most common mistake on tech resumes: describing what you did instead of what it produced. A recruiter doesn't want to read "backend rewrite," they want to read what the rewrite changed.
The Right Technical Metrics
- Performance: p95 latency, build time, API response time
- Volume: requests/second, active users, events processed
- Reliability: uptime, error rate, MTTR
- Cost: cloud bill, cost per request, resources saved
- Product: conversion, retention, NPS if you're close to product
"Rewrote the ingestion pipeline in Go: p95 latency dropped from 840 ms to 110 ms, AWS bill cut by 38% on the service, zero production incidents over the following six months."
Don't Inflate
Numbers on your resume will be challenged in technical interviews. If you can't explain how you measured a metric, don't put it there.
Describe Your Real Role in Team Projects
In tech, everything is collective: PRs, code reviews, pair programming, on-call. Your resume needs to surface your own contribution without slipping into narcissistic "I" statements.
Use Precise Verbs
Replace "participated in" with "designed", "implemented", "migrated", "refactored", "debugged", "monitored", "documented". Each tells a different kind of contribution.
Mention the Day-to-Day Reality
- Number of PRs merged, code reviews done, tickets resolved per sprint
- On-call participation, incidents handled, post-mortems written
- Mentoring juniors, onboarding docs authored, RFCs published
- Major migrations led (framework, database, architecture)
These details show you understand that a senior engineer doesn't just code: they move a team forward.
The Nucléus collection was designed to host exactly this kind of content: dense, technical, precise. Explore the seven templates — Atom, Electron, Neutron, Photon, Proton, Quasar, Supernova — and let Fileify generate your tech resume in minutes.