◆ Computer Science

What a backend developer
really does.

20 tasks, each one witnessed by the sources that watched the job — and behind every one, a prompt you can use tonight.

20evidenced tasks
1,687,890in the US (2025)
$135,980median pay / year
7systems it runs on
See the 20 tasks ↓Open in the atlasThe full career map →
This is what one task looks like here
Build, test, and deploy software solutions
Implement feature branch for the new billing API connector, write unit…4 sources agree

The shape of the day

tap a movement to see its tasks

Which one is you, right now?

Pick the moment · no score, no sign-up
Which moment is you right now?
Whichever you pick, the task behind it opens below.

The work, task by task

20 tasks
Hands on the work11
Evaluate feasibility of software projects+
Assess feasibility of the payment reconciliation microservice for Q3 by listing required interfaces, data models, estimated engineering weeks, major risks with mitigations, and whether it fits our current platform constraints; deliver a one-page decision brief by Tuesday.
jdonetwiki3 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Program all kinds of software systems+
Implement the inventory sync feature across SQL and the event bus: define the domain model, repository interfaces, background worker behaviour, and tests, then submit a pull request with benchmarks and migration plan before the sprint end.
escojd2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Plan and install new software systems+
Plan the new service deployment: inventory current microservices and middleware, propose a three-tier architecture with capacity estimates, list required OS and runtime versions, and schedule the rollout for Tuesday with rollback criteria and owner names.
jdonet2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Debug and troubleshoot software errors+
Investigate the API failures seen since midnight: reproduce the error with the failing request, capture logs and stack traces, pinpoint the code path and probable root cause, and draft a fix with test cases by end of day for review by Priya and Marcus.
jdwiki2 agree
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Prepare reports or correspondence concerning project specifications, activities, or status.+
Produce the weekly project status note: summarise completed tickets, blockers, upcoming deliverables, and risks with owners; attach engineering estimates and the updated timeline, then send to the product director and procurement on Friday morning.
onet
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
km/h RPMDetermine system performance standards.+
Set measurable performance targets for the service: collect current latency and throughput baselines, define SLOs and SLA thresholds per endpoint, propose load test scenarios and hardware targets, and record who will monitor and respond to breaches.
onet
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Support users in using software applications+
Help Jenna on Support Team troubleshoot reports that the file uploader fails with a 500 when she submits large CSVs; reproduce the error on the staging API, capture the logs, add a clear error and retry guidance to the user-facing API docs, and notify Jenna when fixed.
wiki
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Utilise computer-aided software engineering tools+
Run the model-build pipeline for the billing service, validate the generated UML and sequence diagrams against current code, fix any mismatches in the CI pipeline, and update the engineering notes so reviewers can follow the design changes.
esco
when the reply comes backPush once: ask it to sharpen the weakest part, and to say what it assumed. Helpful?
Grow the practice3
Watch and assess2
Keep the record2
Keep it safe1
Work with people1

What the work runs on

named inside the evidenced tasks
11 tasksAmazon Elastic Compute Cloud EC2hosts the staging and production instances needed to deploy and test backend builds during the release process
3 tasksAJAXused to reproduce failing client requests and observe responses while tracing backend interactions
2 tasksAmazon Web Services AWS CloudFormationmodels and provisions infrastructure as code for the planned multi-tier deployment and rollout
1 taskAdobe Creative Cloudcreates annotated screenshots and component visuals for the proposed interface changes shared with Lina
1 taskAdobe Acrobatassembles the written status, attached estimates and timeline into a single signed-ready report for distribution
1 taskAmazon DynamoDBprovides the NoSQL table model and access patterns for storing and retrieving the sample datasets used in system capability analysis
1 taskAmazon Redshiftreview and validate secure access patterns and data handling for analytics stores related to payment data
Browse every evidenced software task →

The same task, four heights

this page is height one
ExecuteDo today's task, with fewer mistakesyou are here → ImproveMake it easy for the next person to acceptin the atlas → DecideWork out the right move when it is unclearin the atlas → BecomeLearn the pattern so it stops coming backin the atlas →

Can AI actually do this job?

the honest answer

It can

where it genuinely helps
  • Play the other person, over and over
  • Grade its own suggestion against your goal

It cannot

where it stops, completely
  • Live with the outcome the way a backend developer has to
L · R7 of R7This job sits on coding · debugging — real theory, real diagnosis, but reality still holds the grading pen.

What the work pays

two countries, two different measures

United States

this exact occupation · BLS 2025
  • $135,980 a year — the middle: half earn more, half earn less
  • The lowest tenth earn near $82,460; the top tenth near $214,670
  • 1,687,890 people employed in this occupation

India

the occupation GROUP, not this job · PLFS via ILOSTAT 2025
  • ₹38,298 a month — the median for Professionals, the group this work sits in
  • India publishes pay by broad occupation group, so this covers many jobs besides this one. It is a shape, not a salary.
read this carefullyThese two numbers are not comparable and must not be converted into each other. One is a yearly figure for this job alone; the other is a monthly figure for a whole family of jobs. What travels between them is the pattern, not the amount: experience lifts pay almost everywhere.

Where the evidence lives

open any of it yourself
O*NETThe US Department of Labor's own record of this job8 of these tasks ESCOThe European skills and occupations register4 of these tasks Job descriptionsReal postings, in the wild13 of these tasks WikipediaHow the world describes this work9 of these tasks US Bureau of Labor StatisticsPay and employment, by occupation2025 figures UK NOS ESKITP5023Software Development Level 3 Rolenational standard UK NOS ESKITP5026Software Development Level 6 Rolenational standard

Close to this work

12 nearby
Computer ScienceFrontend Developer26 evidenced tasks Computer ScienceUi Developer26 evidenced tasks START Computer ScienceSales Engineer26 evidenced tasks Computer ScienceFreelance Web Developer26 evidenced tasks Computer ScienceTest Automation Engineer21 evidenced tasks Computer ScienceProduct Manager Tech21 evidenced tasks Computer ScienceApp Store Publisher21 evidenced tasks Computer ScienceFull Stack Developer20 evidenced tasks

Questions people actually ask

You spend a lot of time writing and testing server-side code, fixing bugs, and deploying updates. Morning stand-up, then 2–4 hours of coding, code reviews, and troubleshooting production issues (logs, errors, slow queries).

Afternoons often include design work: updating software design specs, planning deployments with AWS CloudFormation or EC2, and checking performance after release using monitoring tools. You also answer user-support tickets and document changes in project reports or README files.

Start with Amazon Web Services basics: EC2 (virtual servers) and CloudFormation (infrastructure-as-code) so you can launch and reproduce environments. Learn one managed NoSQL and one SQL-style option: Amazon DynamoDB for key-value/NoSQL and Amazon Redshift for analytics or large-scale queries.

Also get comfortable with deployment and debugging tools, and a bit of AJAX for server–browser communication. Hands-on labs or tutorials that launch EC2 instances and provision DynamoDB tables are best.

According to the U.S. Bureau of Labor Statistics (BLS) for 2025, there are about 1,687,890 employed in related roles. The median pay is $135,980 per year. The lowest tenth earn about $82,460, and the top tenth about $214,670 per year.

Salaries vary by city, company size, and experience. Large cloud skills (AWS, DynamoDB) and full ownership of deploys/monitoring usually push you toward the top end.

Build practical projects: a REST API, a small service on EC2, and a simple DynamoDB-backed app. Practice writing design specs, deploying with CloudFormation, and running tests. Use online courses and the AWS free tier to keep costs low.

Contribute to a small open-source backend, do code reviews, and write documentation. Employers care about concrete examples of building, deploying, debugging, and maintaining systems.

Backend developers build server-side logic, databases, and APIs—things like data storage, performance tuning, security, and deployment on EC2 or DynamoDB. Frontend developers build user interfaces, using tools that might come from Adobe Creative Cloud for design, and handle client-side code and UX.

If you see AJAX mentioned, that’s where frontend and backend touch: frontend sends AJAX requests to backend APIs. Backend focuses on data, security, scaling, and maintaining services after release.

Yes, but treat AI as an assistant, not an oracle. Use AI to generate boilerplate code, tests, or suggestions, then run static analysis, code reviews, and security scans. Always check AI output for injection risks, incorrect access controls, and insecure defaults before deploying.

Record changes in documentation and your deployment templates (CloudFormation). Never paste real credentials, secret keys, or customer data into public AI tools. Use internal, audited tools when possible.

Show you can design, implement, and deploy a small service: write API endpoints, choose data storage (DynamoDB vs. relational), and describe deploy steps using EC2 and CloudFormation. Be ready to read and review code, explain debugging steps, and discuss monitoring after release.

Also demonstrate writing a short design spec, explaining how you'd secure data, and describing how you'd fix a performance problem or roll out a version update. Practical examples beat vague claims.

km/h RPM

How far can AI take you?

one question
Be honest — how far can a language model take you on coding?
There is a real answer, and it is not the flattering one.