Industry tips
Achievement Tips for Tech & Software Professionals
Tech resumes fail in a distinctive way: they inventory tools. React, Node, PostgreSQL, Kubernetes, a proud little parade of nouns, and not one sentence about what any of it did for anyone. The stack is the least interesting true thing about your work.
Write both halves of the sentence
Every technical win has a business shadow, and the discipline that fixes tech resumes is writing both halves.
Before
Reduced API latency using caching and query optimization.
After
Reduced API latency 70% through caching and query optimization, lifting checkout conversion 8% and adding roughly $150K a month.
If you genuinely cannot find the business shadow, that is worth knowing too. It usually means the metric to lead with is scale or reliability instead, and "processes 5 million events a day at 99.99% uptime" is a perfectly strong lead.
The translation looks different by role
- Engineering: connect performance, reliability, or cost to money or to users served
- Product: connect decisions to outcomes, such as three features shipped off customer research, NPS from 32 to 48, churn down 15%
- Data science: give the model its business consequence. A churn predictor at 0.91 AUC is a portfolio line; the retention campaigns it enabled, worth an estimated $2.3M a year, are the achievement
- SRE and platform: reliability stated plainly (99.99% uptime is 43 minutes of downtime a year) alongside the infrastructure savings
- Design: the test result, with its sample. Checkout redesign, cart abandonment down 23%, measured across 100,000 sessions
Before
Built a machine learning model to predict customer churn.
After
Shipped a churn model at 0.91 AUC into the lifecycle platform, driving retention campaigns that held roughly 4 points of monthly churn and an estimated $2.3M in annual revenue.
When you cannot see the business number
Plenty of engineers work two or three layers away from revenue, and the honest answer is that nobody showed them the number. Three substitutes hold up well. Internal adoption: how many teams took up the thing you built, and how fast. Time returned to other people: the review, deploy, or debugging hours your work removed across a named group. And risk removed: the class of failure that stopped happening, with the before-rate attached.
Keep the deep version somewhere
A practical note for anyone keeping a vault: store the stack, the architecture decisions, the tradeoffs, all of it. The detailed version is what lets a resume be tailored later, keeping the depth for an engineering-manager read, and surfacing the business consequence for everyone else. You only get that flexibility if the detailed version exists somewhere, and it will not exist in your memory in two years.
Write for the level you want
Tech is one of the few fields with explicit levels, and the achievements that read as senior differ from junior ones in kind, not just in size. Junior work is judged on execution: you were given a problem and you solved it well. Senior work is judged on judgment: you chose the problem, or chose what not to build.
That distinction is writable. "Built the notification service" is execution. "Chose to buy rather than build notifications after a two-week spike, saving an estimated six engineer-months, then owned the integration" is judgment. Same engineer, same quarter, a level apart on the page.
Before
Led development of the new reporting module.
After
Scoped and led the reporting module after cutting the original spec by half, shipping in 7 weeks against a 16-week estimate; the two deferred features were never requested again.
Ambiguity resolved, scope negotiated, and things deliberately not built are all senior signals, and they are almost never on the resumes of the people who did them.
Put this into practice
Achievd keeps a living, scored vault of your career achievements and turns it into a resume tailored to any job. The writing frameworks in this guide are built into the product.
Build your vault free