Algorithm Engineer

Algorithm Engineer performs practical procedures and documents results in 20 concrete tasks designed for learning. Each entry clarifies risk points, typical timings, and simple success signs. Each one shows where we found it, and comes with an AI prompt you can copy and use straight away.

20evidenced tasks
20ready prompts
8tools of the trade
15-2041.00O*NET-SOC code
29,030hold this job (US, BLS 2025)
$105,650median pay/yr (US)
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What it pays

Government survey numbers — not estimates, not ads.

Half of all Statisticians in the U.S. earn more than $105,650 a year — the middle 80% land between $64,000 and $174,050. About 29,030 people in the U.S. do this work. Figures are for the U.S. occupation group “Statisticians”. (U.S. Bureau of Labor Statistics survey, published 2025.) In India, Professionals earn about ₹38,298 a month on average — around ₹4.6 lakh a year (government PLFS survey via ILOSTAT, occupation-family figure).
$105,650typical pay / year
29,030people in this work
$174,050+top 10% earn
₹4.6 lakha year in India (family avg)
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The work, task by task

These are the real jobs-to-be-done, not a wish list. Each task shows where we found it, and the prompt underneath is written for that exact task.

Analysing5

Apply statistical methods to data

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Run the nightly data quality checks on the newest sensor batch, calculate means, variances and confidence…
Run the nightly data quality checks on the newest sensor batch, calculate means, variances and confidence intervals for each metric, flag variables with >15% missing or nonstationary behavior, and save the cleaned summary table for model training.
The tools that do the workIBM SPSS StatisticsESCOjob descriptionsO*NETWikipedia

Analyze data to identify trends

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Take last quarter's user event logs, compute rolling averages and seasonality components, test trend…
Take last quarter's user event logs, compute rolling averages and seasonality components, test trend significance with a Mann–Kendall or linear regression, annotate notable shifts and export a trend brief for the product team.
The tools that do the workApache Sparkjob descriptionsO*NETWikipedia

Collect data

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Query the live ingestion stream for today and yesterday, deduplicate records by user_id and timestamp, sample…
Query the live ingestion stream for today and yesterday, deduplicate records by user_id and timestamp, sample 10,000 rows stratified by region, and deposit the exported CSV in the shared data directory for exploratory analysis.
The tools that do the workApache HadoopESCOjob descriptionsWikipedia

Collect and organize data for analysis

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Ingest the new client CSVs, standardize column types, normalize timestamps to UTC, create a master lookup for…
Ingest the new client CSVs, standardize column types, normalize timestamps to UTC, create a master lookup for customer IDs, and publish the cleaned dataset with a data dictionary for analysts to use.
The tools that do the workMicrosoft Accessjob descriptionsO*NETWikipedia

Develop and apply statistical principles

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Design and run hypothesis tests on the feature set: formalize nulls, compute power curves, fit logistic and…
Design and run hypothesis tests on the feature set: formalize nulls, compute power curves, fit logistic and linear models where appropriate, and record parameter estimates plus assumptions in the modeling notebook.
The tools that do the workC++job descriptionsO*NET
Keeping the record1

Produce statistical reports and visualizations

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Generate weekly statistical reports for the anomaly detection team: produce histograms, boxplots and a…
Generate weekly statistical reports for the anomaly detection team: produce histograms, boxplots and a correlation matrix for key metrics, create an interactive dashboard with annotated outliers, and send the PDF report to the team lead.
The tools that do the workMicrosoft Exceljob descriptionsO*NETWikipedia
The daily work14

Assess reliability of source information

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Assess the reliability of the supplier dataset by checking source provenance, percentage of missing…
Assess the reliability of the supplier dataset by checking source provenance, percentage of missing timestamps, replication counts, and divergence from known benchmarks, then write a one-page judgment with confidence score and recommended exclusions.
The tools that do the workIBM SPSS Statisticsjob descriptionsO*NET

Evaluate and describe data utility

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Evaluate and describe the utility of the customer engagement table for modeling churn: measure coverage of…
Evaluate and describe the utility of the customer engagement table for modeling churn: measure coverage of target population, feature sparsity, class balance, predictive signal per feature, and list five recommended transformations and their expected uplift.
The tools that do the workMicrosoft Exceljob descriptionsWikipedia

Use software like R, Python, SAS, SQL

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Prepare the analysis environment and run the requested scripts in the codebase using the available…
Prepare the analysis environment and run the requested scripts in the codebase using the available statistical languages to ingest the transactions table, produce cleaned training and test datasets, and save reproducible preprocessing notebooks and a README describing versions used.
The tools that do the workLinuxjob descriptionsWikipedia

Build models and perform hypothesis testing

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Build candidate predictive models for conversion, run hypothesis tests on the top three features, report…
Build candidate predictive models for conversion, run hypothesis tests on the top three features, report model performance with 95% confidence intervals, and attach a short decision memo recommending which hypothesis to deploy to A/B testing.
The tools that do the workApache Sparkjob descriptions

Liaise with management to define data needs

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Meet with product and analytics leads and translate their roadmap into a prioritized list of five data…
Meet with product and analytics leads and translate their roadmap into a prioritized list of five data requirements, specifying data sources, freshness needs, fields required, and the minimal SLAs we must meet to support next quarter's models.
The tools that do the workMicrosoft Officejob descriptions

Create charts

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Create a set of three clear charts showing trend, distribution, and feature importance for the model input…
Create a set of three clear charts showing trend, distribution, and feature importance for the model input set, label axes and captions for a manager who doesn't code, and export them as presentation-ready images with short captions.
The tools that do the workMicrosoft ExcelESCO

Identify statistical patterns

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Scan the last six months of transaction logs and feature stores, extract candidate variables, run comparative…
Scan the last six months of transaction logs and feature stores, extract candidate variables, run comparative distributions and correlation tests, flag repeating seasonal or cohort patterns and deliver a two‑page summary with charts and significance levels by Thursday noon.
The tools that do the workApache SparkESCOsee the evidence ↗

Gather data

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Assemble user event logs, product metadata and billing tables for January through June, reconcile schema…
Assemble user event logs, product metadata and billing tables for January through June, reconcile schema mismatches, sample and validate missingness, and provide a cleaned CSV and a short data dictionary by Tuesday EOD.
The tools that do the workApache HadoopESCOsee the evidence ↗

Process data

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Process the raw sensor logs from March and April, normalize timestamps to UTC, remove duplicated events, and…
Process the raw sensor logs from March and April, normalize timestamps to UTC, remove duplicated events, and produce a single cleaned dataset partitioned by device_id and day ready for downstream feature extraction.
The tools that do the workApache SparkESCOsee the evidence ↗

Think analytically

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Review the model error cases from last week's rollout, run a root-cause analysis on the top 50 failures, and…
Review the model error cases from last week's rollout, run a root-cause analysis on the top 50 failures, and produce concise hypotheses about bias, data drift, or feature leakage with suggested next experiments.
The tools that do the workLinuxESCOsee the evidence ↗

Perform data analysis

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Aggregate user interaction events for the recommendation model for Q2, compute session-level metrics and…
Aggregate user interaction events for the recommendation model for Q2, compute session-level metrics and cohort summaries, then deliver a reproducible analysis notebook with charts and exportable CSVs.
The tools that do the workMicrosoft ExcelApache SparkESCOsee the evidence ↗

Apply statistical analysis techniques

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Run hypothesis tests on A/B experiment results for the ranking change: compute confidence intervals, p-values…
Run hypothesis tests on A/B experiment results for the ranking change: compute confidence intervals, p-values for primary metrics, and flag any metrics with potential Type I or II error concerns plus recommendations.
The tools that do the workIBM SPSS StatisticsESCOsee the evidence ↗

Apply scientific methods

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Design and run a controlled experiment to validate the new feature: define null and alternative, power…
Design and run a controlled experiment to validate the new feature: define null and alternative, power calculation to determine sample size, randomization scheme, and an analysis plan for primary and safety metrics.
The tools that do the workC++ESCOsee the evidence ↗

Write work-related reports

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Draft a concise report summarising model performance, recent data quality issues, key analysis steps, and…
Draft a concise report summarising model performance, recent data quality issues, key analysis steps, and actionable recommendations for the product team with appendix containing reproducible commands and plots.
The tools that do the workMicrosoft OfficeESCOsee the evidence ↗

Says who?

These are the pages we read to build this. Open any of them and check us.

The logs, files & records this job keeps

Shared with other careers — the same record means something different in each.

Related careers

Same family of work — each with its own tasks and prompts.

The LLOS Work Atlas is the world's largest evidenced task library — a map of human work, with a ready prompt behind every task. 1,774 careers · every task named by the sources that witnessed it — O*NET, ESCO, real job descriptions, Wikipedia — and the deepest tasks by several at once. And it is honest about limits: where AI cannot help, the map says so.

The rest of the map

Same library, five ways in.

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Built on public evidence: O*NET®, ESCO, Wikipedia, U.S. Bureau of Labor Statistics, ILOSTAT. All sources & licenses