Senior Software Engineer CV Example & Writing Guide

At the senior level, a software engineer CV must go beyond technical skills and demonstrate leadership, system design thinking, and tangible business impact. Hiring managers expect to see ownership — of systems, codebases, and outcomes — not just contributions. The difference between a mid-level and senior CV is specificity at scale: not "worked on the backend" but "designed and owned the payment processing service handling 200K transactions/day." Architecture decisions, mentorship, cross-functional collaboration, and delivery against hard business goals are all essential signals. ATS systems filter for senior-level keywords: system design, architecture, technical leadership, staff engineering, and the specific technologies used at scale.

Use this example as your starting point

Free · ATS-optimised · Download in PDF or DOCX

Build my CV free →

Senior Software Engineer CV Example — Sample

Alex Johnson

Staff Software Engineer

alex.johnson@email.com · London, UK · linkedin.com/in/alexjohnson

Professional Summary

Senior software engineer with 8 years of experience building distributed systems at scale in Go, Python, and TypeScript. Designed core infrastructure serving 2M+ active users with 99.99% uptime. Led a squad of 6 engineers from seed to Series B, shipping features that drove 40% user growth.

Experience

Staff Software Engineer

Veloce (Series B, B2B SaaS)

Jan 2021 – Present
  • —Designed and built event-driven data pipeline processing 8M events/day; reduced data latency from 4 hours to 90 seconds
  • —Led technical direction for a 6-engineer squad; defined architecture standards, ran design reviews, and introduced ADR process
  • —Drove migration from monolith to microservices — delivered 4 services in 6 months with zero production incidents

Senior Software Engineer

Gridline Technologies

Mar 2017 – Dec 2020
  • —Owned API layer serving 500K daily users; reduced p99 latency from 1.8s to 220ms through query optimisation and caching
  • —Mentored 3 mid-level engineers; 2 promoted to senior within 18 months
  • —Introduced contract testing (Pact) and cut integration test suite run time by 65%

Skills

Go, Python, TypeScript, Kubernetes, AWS (EKS, Lambda, RDS, S3), PostgreSQL, Redis, Kafka, Terraform, system design, technical leadership, CI/CD, observability (Datadog, OpenTelemetry)

Sample CV for illustration. Build yours free with CVmake — AI fills in your real details.

How to write a Senior Software Engineer CV Example: 6 key tips

  • 1

    Show ownership, not just contribution — what did you design, lead, or decide?

  • 2

    Quantify systems at scale: requests/day, users, uptime SLAs, latency figures

  • 3

    Include technical leadership signals: design reviews, ADRs, mentoring, cross-team influence

  • 4

    Demonstrate impact beyond code: delivery speed, cost reduction, reliability improvements

  • 5

    List architecture patterns and infrastructure decisions, not just languages

  • 6

    Senior CVs should be two pages — space to show the full picture

Ready to build your own?

Describe your background and our AI builds a professional, ATS-ready CV in seconds. Free to start.

Create my CV free →

Related CV examples

Software Engineer CV Example

See a real software engineer CV example and learn how to write one that passes ATS filters. Free template included — built for developers at all levels.

Backend Developer CV Example

See a real backend developer CV example and learn how to write one. Free ATS-friendly template for Node.js, Python, Java, and Go backend engineers.

DevOps Engineer CV Example

See a real DevOps engineer CV example and learn how to write one. Free ATS-optimised template for DevOps, SRE, and platform engineers.

Junior Software Engineer CV Example

See a real junior software engineer CV example. Learn how to write a graduate developer CV with no experience that still gets interviews. Free template.