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Senior software engineer resume example

A senior engineer’s resume, with about nine years of experience, that reads as a tech lead’s. Senior hiring is about judgment and influence, so the bullets show decisions with large consequences and work that spanned several teams.

Senior software engineer resume example, page 1 of 1Elena VasquezSenior Software Engineerelena.vasquez@example.com · (206) 555-0174 · Seattle, WA · linkedin.com/in/elenavasquez ·github.com/example-evasquezSummarySenior engineer with nine years building high-traffic backend systems in Go and Python, most recently leadingthe platform behind a marketplace with 4 million monthly users. I design systems that stay simple as they grow,lead projects across three or four teams, and grow engineers into senior roles.ExperienceSenior Software EngineerMay 2021 – PresentHarborview Marketplace · Seattle, WA•Tech lead for the checkout platform (Go, PostgreSQL, Kafka) handling $1.2 billion in annual sales; led 7engineers across two teams.•Designed the move from a single PostgreSQL primary to a sharded setup, raising write capacity 6x beforethe holiday peak with zero downtime.•Drove the payments provider migration across 4 teams and 23 services in 5 months, cutting processing feesby $2.1 million a year.•Cut checkout errors from 1.8% to 0.3% by introducing idempotent retries and a reconciliation job, recoveringabout $3 million in annual sales.•Set up the engineering design review process now used by 60 engineers; promoted two engineers Imentored to senior.Software EngineerJun 2018 – Apr 2021Cascadia Health · Seattle, WA•Built the appointment scheduling API in Python (FastAPI) serving 300 clinics, growing to 25,000 bookings aday.•Replaced a nightly ETL with change-data capture, giving clinicians data 12 hours sooner.•Led the HIPAA logging redesign that passed the company’s first external audit with no findings.Software EngineerAug 2016 – May 2018Quillfeather · Portland, OR•Built features for a writing app with 200,000 users in Ruby on Rails and React; owned search and sharing.EducationB.S. in Computer Science2012 – 2016University of Washington · Seattle, WASkillsGo · Python · TypeScript · PostgreSQL · Kafka · Redis · Kubernetes · AWS · Terraform · Distributed systems ·Payments · System design · Technical leadership · Mentoring
Senior software engineerUse this example

What recruiters look for

  • Scope of influence: projects that spanned teams, systems others depend on, standards others follow.
  • System design with trade-offs: sharding, migrations, consistency, cost. Name the decision and its result.
  • Business-level outcomes: revenue protected, fees saved, conversion gained. Senior engineers are hired to move these.
  • Leadership without the title: tech lead roles, mentoring, people you helped promote, processes you set up.
  • Depth in a domain: payments, search, infrastructure, data. Specialists stand out at this level.

Writing the summary

Lead with years, specialty and the scale you work at, then the kind of leadership you provide. A senior summary should make a hiring manager think “this person could lead our hardest project”.

The summary in this example

Senior engineer with nine years building high-traffic backend systems in Go and Python, most recently leading the platform behind a marketplace with 4 million monthly users. I design systems that stay simple as they grow, lead projects across three or four teams, and grow engineers into senior roles.

Senior front-end or full-stack engineer

Senior front-end engineer with eight years building React applications used by millions, most recently leading the design system and performance work for a travel site. I make large web apps fast, accessible and pleasant to work on.

Senior engineer aiming for a staff role

Senior backend engineer who has led three multi-team migrations in the last four years, from payments to data storage. Looking for a staff-level role where I can set technical direction for a whole product area.

Bullet points that work

Strong lines for this role, beyond the ones in the example. Borrow the shape and put in your own numbers.

  • Led the design and rollout of a multi-region active-active setup, taking availability from 99.9% to 99.99%.
  • Reduced infrastructure costs by 35% ($1.4 million a year) by consolidating 3 data stores and tuning autoscaling.
  • Authored the RFC that standardized service-to-service authentication across 80 microservices.
  • Mentored 6 engineers through a structured growth plan; 3 were promoted within a year.
  • Turned a flaky test suite (28% failure rate) into a reliable one (under 1%) by leading a two-month quality effort with 3 teams.
  • Owned the technical side of a $5 million enterprise deal, delivering SSO, audit logs and data residency in 10 weeks.
  • Cut mean time to recovery from 75 to 18 minutes by introducing runbooks, SLOs and a new on-call rotation.
  • Re-architected the recommendation pipeline from batch to streaming, lifting click-through by 9%.
  • Ran the hiring loop for the platform team, growing it from 4 to 11 engineers in a year.
  • Gave an internal talk series on database performance attended by 150 engineers.

Skills to list

Hard skills

  • Distributed systems design
  • One or two main languages at expert level
  • Database scaling (sharding, replication, indexing)
  • Event streaming (Kafka, Kinesis, Pub/Sub)
  • Cloud architecture (AWS, GCP or Azure)
  • Kubernetes and infrastructure as code
  • Observability and SLOs
  • Security and compliance basics (SOC 2, PCI, HIPAA)
  • Performance tuning

Soft skills

  • Technical leadership
  • Writing RFCs and design documents
  • Mentoring and coaching
  • Influencing across teams
  • Explaining trade-offs to non-engineers

Certifications and licenses worth listing

  • AWS Certified Solutions Architect Professional or Google Cloud Professional Cloud Architect: a plus for cloud-heavy senior roles.
  • Certified Kubernetes Administrator (CKA): relevant for platform and infrastructure-focused seniors.
  • Not expected for most senior engineering roles: leadership and system design evidence carry the decision.

Length and format

One or two pages. With nine or more years, two pages are fine, but keep the current role and your two biggest results in the top half of page one. Roles older than about ten years get a single line or can be grouped as “Earlier experience”.

Common mistakes

  • Writing like a mid-level engineer: lists of features shipped, with no decisions or cross-team scope.
  • Burying the leadership. Tech lead work, mentoring and hiring belong in the first bullets, not a footnote.
  • Leaving out the “why”: a migration only impresses when the reader sees what it enabled or saved.
  • Long descriptions of early-career jobs while the current senior role gets three bullets.
  • Listing management-sounding duties without results. “Led sprint planning” is not leadership; “led the migration that saved $2 million” is.

Questions and answers

Should a senior software engineer’s resume be one or two pages?

Either works. One page is easier to read; two pages are fine when the second page carries real results and not just older roles. The first half page matters most either way.

How do I show leadership without a manager title?

Name the projects you led, how many engineers and teams were involved, the standards you set and the people you mentored or helped promote. Those are the signals for both staff and management tracks.

Should I include a skills section as a senior engineer?

Yes, short and grouped. Recruiters and applicant tracking systems still search for keywords, but your bullets should prove the important ones.

How far back should my experience go?

About ten to fifteen years in detail. Earlier roles can be one line each or dropped, unless they are relevant to the job.

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