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Career Checkpoint

22 min read

After 62 days you have three released projects, and most people write "built RAG chatbot using LangChain" on a resume and stop there. Hiring teams skim for proof: numbers, what broke, what you decided. Today you turn R1–R3 into evidence while the numbers are fresh, and freshers start the slow part of interview prep (data structures and algorithms) now.

Short on time? The 30-second version
  • Your three READMEs are evidence, and every number you use on a resume comes from them.
  • Re-score the same 20-item audit without notes, write one line per group on what moved, and link a file for every 4 or 5.
  • Map real postings to your work as Strong, Partial or Gap; repeated Gaps are your top-3 plan.
  • A bullet is verb + what + stack + number + effect, and you must be able to defend every number.
  • Start applying lightly once the rubric holds; freshers also start a DSA schedule today.
Jump to the cheat sheet →

At a Glance

  • Time: ~2 h core (+ optional Go Deeper) · Depth: intro
  • Prerequisites: Day 62: Capstone R3, Part 2: Durable, Evaluated, Shippable, plus your skills_audit.md from Day 1: The AI Engineer: Role, Skills & How to Use This Course
  • You'll build: four text files in your Atlas repo: skills_audit_v2.md, resume_bullets.md, application_plan.md and dsa_schedule.md
  • Stops at: interview prep (Days 97–98). No STAR stories, negotiation, system design or portfolio polish today.
  • Fast path: Already keep an up-to-date resume? Read §From Project to Bullet and §Two Tracks, Two Resumes, then do Exercise 3 (about 30 min).
  • Cost: $0. No API calls and no code today.
  • New terms: requirement map, evidence bullet, application cadence, DSA schedule

You Have More Than a Certificate

A certificate says you sat through something. A release with measured numbers in its README says you can ship. You have three, and each proves a different skill.

Release What it does What it proves Numbers in its README
R1 Extractor (Day 22) Orbit docs and issues → typed records Structured output, validation, an eval gate field-level accuracy, $/1k docs, p95 latency (95% of calls were faster than this)
R2 Ask (Day 34) Chat over Orbit docs with citations and a UI Retrieval, ranking, evals, access control recall@5 before and after reranking, $/request, the access-control (ACL) demo, a public demo URL
R3 Investigator (Day 61–62) New issue → cited diagnosis, with human approval Agents, durability, trajectory evals in CI trajectory pass rate, $/issue, p95, the crash-resume demo

Open the three READMEs side by side. Every number you use today comes from them. If a README is missing a number, measure it now; a gap is cheaper to fix today than in an interview.

Freshers often feel behind at this point because the job postings look long. Name the progress first: if you scored the agents and evals groups near zero on Day 1, you have since shipped an evaluated agent.

A Code Review of Your Career

The plain version of today: take stock, translate what you built into the words a hiring manager scans for, and set a pace you can keep. Each step produces the input for the next.

The Day 1 vs Day 63 diff is the heart of the review. For each group, write one line on what moved and why, pointing at a file in your repo; those lines become your bullets later.

Re-Score the Audit

Copy skills_audit.md to skills_audit_v2.md, fill in its D63 column, and leave the D1 column untouched; keep the original file beside it as the frozen baseline. The D100 column waits for your last re-score. The audit is unchanged: the same 20 items in 8 groups, each scored 0–5 with the Day 1 anchors, for a maximum of 100.

Score Meaning
0 Never heard of it
1 Heard the term; couldn't explain it
2 Could explain it; haven't built it
3 Built it once, by following a guide
4 Built it on my own and debugged it
5 Could teach it, including when not to use it

One honest rule: score what you can do without notes. If you needed to reread Day 54 to remember how a checkpointer resumes a run, that item is a 3, not a 4. For every 4 or 5, write the file that proves it in the evidence column. A score you can't point at is a score you can't defend.

Read the total with the Day 1 bands: 0–30 means you are early in the material, 31–65 means you can build with guidance, and 66–100 means you can build and debug on your own. A middle-band total is normal here, with safety and production still ahead.

Expect uneven gains:

Group (audit items) Likely to move by Day 63 Why
APIs & prompting (1–3) Up You've called the API every day since Day 2
Structured output (4–5) Up R1 shipped on it
Retrieval (6–8) Up R2 shipped on it
Tools & MCP (9–10) Up Days 35–40, and R3 uses tools
Evals & observability (11–13) Up, often the biggest jump Day 20, Phase 5, and R3's CI gate
Agents (14–16) Up Phase 6 and R3
Safety (17–18) Flat Phase 8 hasn't started
Production & ops (19–20) Mostly flat Phase 9 hasn't started; R2's demo URL is a first step

Flat safety and production rows are expected; they become "currently learning" lines in your plan.

What Employers Ask For, Mapped to What You Built

On Day 1 you saw the course's job signal. It came from 320 public AI-engineer, applied-AI and forward-deployed-engineer postings (a forward-deployed engineer builds AI solutions with a customer, often on site), counted on 2026-11-06. The sample leans heavily toward AI vendors, and a keyword appearing in a posting doesn't say how much the job uses it. Read it as a signal (as of 2026-11-06) and verify it against postings in your own market.

This time, put your evidence next to each row:

Skill (share of postings) Your evidence so far Status at Day 63
Evals: 52% Day 20 eval set, Day 47 CI gate, R3 trajectory suite Evidence in all three releases
Python: 41% Every release Evidence
Agents: 36% R3 Evidence
TypeScript / JavaScript: 32% Primer A13 A stated gap unless you already use it
Coding agents: 20% AGENTS.md and a reviewed feature from Day 60 Evidence
RAG / retrieval: 17% R2 Evidence
Observability: 11% Tracing from Day 42 Evidence if your README shows a trace
MCP: 6% Atlas MCP server from Day 40 Evidence
LangChain / LangGraph: 6% R3 graph Evidence

The top row matters most, and every release has a measured eval in its README. "I built a chatbot" is common; "here is how I know it got better" is your strongest sentence.

Map a Real Posting

A requirement map is a table that lists each line of a job description (JD) and, next to it, the specific file or README line that proves it, plus a status. The statuses are plain:

  • Strong: a release shows it, with a number.
  • Partial: you've built it in a lesson, but not in a release, or without a number.
  • Gap: not covered yet. Say which later day closes it.

Here is a worked example on a sample JD. It is invented for this lesson; don't treat it as a real company's posting.

SAMPLE JD (invented): Applied AI Engineer
- Build and ship LLM features in Python
- Design evals and use them to drive changes
- Build agents that use tools and recover from failure
- Retrieval: search quality, ranking, citations
- Instrument LLM systems (tracing, cost)
- Ship to production behind an API; on-call rotation
- Nice to have: guardrails / prompt-injection defenses, multi-agent systems, TypeScript
Requirement Evidence (file or README line) Status Plan if not Strong
Ship LLM features in Python R1–R3 repos, tagged releases Strong
Evals drive changes R2 README: recall@5 before vs after reranking Strong
Agents with tools, recovery R3 README: crash-resume demo, trajectory pass rate Strong
Retrieval quality and citations R2 eval table and cited answers Strong
Tracing and cost Day 42 traces; $/issue in R3 README Partial Add a trace screenshot to the R3 README this week
Production API, on-call Demo URL only Gap Day 77 onward, R5 on Day 90
Guardrails, injection None yet Gap Day 69 and Day 70
Multi-agent None yet Gap Day 64, R4 on Day 76
TypeScript Not used Gap Primer A13, or name it honestly as a gap

Most Gap rows are ahead of you in the course, so they read as "in progress", not "missing". A switching engineer may already be Strong on "production API, on-call" from work history, not Atlas.

Do this for three real postings you would apply to (Exercise 2). After three, a pattern shows up: the same two or three Gap rows repeat. Those are your top-3 gaps, and they go into the plan.

From Project to Bullet

Most weak bullets list tools: "Built a RAG chatbot using FAISS". A strong bullet follows one formula, like a good commit message:

verb + what you built + stack + a number + the effect

Compare weak and better versions for each release. Every number below is an EXAMPLE. Replace it with a figure from your own README, or drop the number.

Release Weak Better (EXAMPLE numbers)
R1 Built an extractor using OpenAI and Pydantic Built a typed issue extractor (Responses API, Pydantic) behind an eval gate; field accuracy rose from 82% to 94% at $0.40 per 1k docs
R2 Made a RAG chatbot Raised recall@5 from 0.71 to 0.86 on a 60-question gold set with hybrid search and reranking; enforced per-user access filters in a live demo
R3 Built an AI agent Built a LangGraph issue investigator with human approval; 38 of 40 trajectory evals pass in CI at $0.06 per issue, and runs resume after a crash

One rule decides which numbers survive: claim only what you can defend. In an interview, "how did you measure that?" is the first follow-up. For every number you should be able to say the dataset, how many cases, what the baseline was and what you changed. If you can't, cut the number.

Two Tracks, Two Resumes

The facts are the same for everyone; the order and framing differ, following your Day 1 track.

Switching roles First role
Lead with Your current domain plus the AI proof Projects, then education
Top section Summary, then experience Projects (R1-R3), then coursework, then skills
Translate your past "Added retries with backoff" becomes "kept the pipeline reliable under rate limits" "Built a CLI" becomes "wrote tested Python tools with CI"
Skills line Group by what you used on the job and in R1-R3 Python, SQL, Git, plus the stack from R1-R3
Extras On-call, reviews, migrations DSA practice, open-source contributions

Two resume tops, for invented people:

SWITCHING (EXAMPLE)
Backend engineer, 6 years (payments, Python). Shipped three AI projects in 2026: a typed extractor,
a cited RAG assistant with access control, and a durable issue-investigation agent gated by evals.

FIRST ROLE (EXAMPLE)
BSc Computer Science, 2026. Projects: Atlas (an AI assistant for an open-source library):
extractor, RAG assistant with a live demo, and an eval-gated agent. Practising DSA daily in Python.

For LinkedIn, write three lines: what you build, one proof with a number, what role you want. Pin your R3 repo and the R2 demo. Polishing the portfolio itself belongs to Day 99: Building Your Portfolio.

When to Start Applying

Waiting until you feel ready is a mistake; so is applying everywhere with one resume. Use this rubric as a guideline, not a rule:

  • three releases, each with README numbers;
  • one deployed demo (R2's URL counts);
  • one failure per release that you can explain: what broke, how you found it, what you changed.

A light start means researching roles, asking for referrals and sending 3 to 5 applications a week, editing the top three bullets for each posting. Switching engineers start now, as Day 1 suggested. Freshers keep Day 1's plan of applying in earnest from about R4, and use the weeks until then for the light version. Search for "AI engineer", "applied AI engineer", "forward-deployed engineer" and "LLM application engineer".

Freshers: Start the DSA Plan Now

Data structures and algorithms (DSA) rounds are common in first-role loops, and the skill compounds slowly, which is why Day 98: Practical Interviews: Coding, Take-Homes & DSA assumes you have started. (You will likely reach Day 98 before week 12; Day 98 continues from wherever you are.) Day 1 pencilled in 30 minutes a weekday; now that the schedule is concrete, budget 45 minutes, five days a week, for two problems per session, in Python, with a weekly review of the ones you missed. Work through topics in this order:

Weeks Topic
1 Arrays and hash maps
2 Two pointers
3 Stack and queue
4 Linked list
5 Binary search
6 Review week: redo every miss
7-8 Trees, BFS and DFS
9 Heap
10 Graphs
11 DP (dynamic programming) basics
12 Mixed timed set

Week 1 by day (classic problems on any practice site). Save both tables as dsa_schedule.md:

Day Two problems
Mon Two Sum; Contains Duplicate
Tue Valid Anagram; Group Anagrams
Wed Top K Frequent Elements; Product of Array Except Self
Thu Longest Consecutive Sequence; Best Time to Buy and Sell Stock
Fri Review: redo the two you struggled with, from a blank file

Experienced engineers: you likely have the fundamentals, so a two-week refresh is enough. Week 1: arrays and hash maps, two pointers, stack, binary search. Week 2: trees, BFS and DFS, heap, graphs, two DP problems. Here is Two Sum solved by hand, which shows the hash-map pattern behind the whole first topic:

nums = [2, 7, 11, 15], target = 9, seen = {}
2:  need 9 - 2 = 7, not in seen  -> store seen[2] = 0
7:  need 9 - 7 = 2, found in seen -> answer is [0, 1]

One pass: a dictionary lookup replaces the second loop.

Your 30-Day Application Plan

Each week has four lanes. Save your version as application_plan.md:

Week Build Apply Learn DSA (freshers)
1 Fill README gaps: missing numbers, a trace screenshot Write bullets; pick 3 target postings Day 64 onward Week 1 topics
2 Re-measure any stale number 3-5 tailored applications Course days for your top-3 gaps Week 2 topics
3 Start the next release 3-5 applications; one referral message Same Week 3 topics
4 Write a short write-up of one release (Day 99) 3-5 applications; review the tracking sheet Same Week 4 topics, review misses

Track every application in a sheet with these columns: company, role, link, date applied, source (referral or cold), bullets tailored, status, next action and date, and "what the posting asked that I lacked", which feeds your next gap list.

In production

  • Keep your four files in the Atlas repo, so the history shows progress.
  • Date your README numbers, and re-measure after any release that changes behaviour.
  • Ship one write-up per release; Day 99 shows how.
  • Avoid tool-chasing: a new framework rarely moves your odds as much as one more measured result.
  • Re-score the audit again on Day 100 and compare it with today.

Go Deeper (optional)

Go deeper: how postings get screened, and what to tailor

Some companies filter applications first with software that matches keywords, then a person skims for proof. The two readers want different things. Software looks for the posting's own terms ("evals", "tool use", "retrieval"); a person looks for numbers and a decision you made. Write bullets for the person, and reuse the posting's wording where it is true for you.

This is why the plan says to edit the top three bullets per posting, not the whole resume. Pick the three that match the posting's first three requirements, put them first, and keep the rest stable. Do not add a skill you cannot discuss; the interview will find it.

Experts also keep a running "evidence log": dated results, links to traces and short notes on what failed. When a posting arrives, you assemble bullets from the log in minutes.

Common Pitfalls

  • Inflated re-score. Symptom: a total of 85 and no files behind it. Cause: no evidence required. Fix: score without notes, and link a file for every 4 or 5.
  • Tool lists instead of outcomes. Symptom: "used LangChain, FAISS". Cause: no number or decision. Fix: verb + number + effect.
  • Numbers you can't defend. Symptom: you freeze at "how did you measure that?" Cause: copied the example numbers. Fix: use your own README figures, or drop the number.
  • Waiting, or spraying. Symptom: zero applications, or 100 identical ones. Cause: waiting for certainty, or no tailoring. Fix: 3 to 5 a week, with the top three bullets edited for each posting.
  • Skipping DSA until invitations arrive. Symptom: a coding round in two weeks and no practice. Cause: it takes months. Fix: schedule 45 minutes each weekday, starting now.
  • Copying the sample JD mapping. Symptom: your map matches this lesson line for line. Fix: map three postings you would actually apply to.

Key Takeaways

  • Your three READMEs are evidence, and every number you use on a resume comes from them.
  • Re-score the same 20-item audit without notes, write one line per group on what moved, and link a file for every 4 or 5.
  • Map real postings to your work as Strong, Partial or Gap; repeated Gaps are your top-3 plan.
  • A bullet is verb + what + stack + number + effect, and you must be able to defend every number.
  • Start applying lightly once the rubric holds; freshers also start a DSA schedule today.

Quick Reference

Career Checkpoint, on one card

ItemWhat it isWhen you use itGotcha
skills_audit_v2.mdDay 1 audit re-scored, 100 maxToday and Day 100Score without notes
Requirement mapPosting line, evidence, statusPer postingMap your own postings
Evidence bulletVerb + what + stack + number + effectResume, LinkedInDefend every number
Readiness rubric3 releases, 1 demo, 1 failure eachDeciding when to applyA guideline, not a rule
Application cadence3-5 tailored applications a weekThe 30-day planEdit the top 3 bullets each time
dsa_schedule.md45 min x 5 days, 2 problemsFreshers, from todayReview misses weekly

Exercises

  1. Warm-up: re-score the audit. Copy skills_audit.md to skills_audit_v2.md, re-score all 20 items, and compute the change per group.

    Peek at the approach

    Sample, continuing Day 1's example learner (24 at Day 1):

    Group (max) Day 1 Day 63 Change What moved
    APIs & prompting (15) 5 11 +6 Daily API use
    Structured output (10) 2 7 +5 R1
    Retrieval (15) 2 9 +7 R2
    Tools & MCP (10) 1 6 +5 Days 35-40
    Evals & observability (15) 2 9 +7 Day 20, Day 42, CI gates
    Agents (15) 3 8 +5 R3
    Safety (10) 2 3 +1 Not started
    Production & ops (10) 7 8 +1 R2 demo URL
    Total (100) 24 61 +37

    61 sits in the 31-65 band. Safety (30% of its maximum) and Agents (53%) are the weakest by share, so they are the focus for the coming phases.

  2. Core: map three postings. Collect three real postings you would apply to, tally each requirement as Strong, Partial or Gap, and list your top-3 gaps.

    Peek at the approach

    Sample tally (postings paraphrased):

    Requirement Appears in Status
    Evals A, B, C Strong
    Agents with tools A, B Strong
    RAG A, C Strong
    Deploy and Docker A, B, C Gap
    TypeScript B, C Gap
    Guardrails B Gap

    Top-3 gaps: (1) deployment, closed by Day 77 onward and R5; (2) TypeScript, via primer A13 or an honest "not yet"; (3) guardrails, via Days 69-70.

  3. Core: write three evidence bullets. Write one bullet each for R1-R3 from your own README numbers, for your track, then cut each to a single line.

    Peek at the approach
    Draft One line (EXAMPLE numbers)
    I made a tool that reads issues and pulls out fields and it is pretty accurate Built a typed issue extractor behind an eval gate; field accuracy 94% at $0.40 per 1k docs
    I built a retrieval system for Orbit docs and improved it by adding reranking and measured it Raised recall@5 from 0.71 to 0.86 with hybrid search and reranking (60-question gold set)
    The agent investigates issues and can be resumed if it crashes and has tests Built a durable LangGraph investigator; 38 of 40 trajectory evals pass in CI

    Switching track, R3: "Kept an investigation agent reliable under crashes: resumes from checkpoints and gates merges on trajectory evals." First-role track: the same bullet under a Projects heading, with the repo link.

  4. Stretch (past the stop line): tell the R3 story in two minutes. Cover the problem, one design decision, one number and one failure, and record yourself.

    Peek at the approach

    Outline: problem (20 s) - "Maintainers lose time diagnosing new issues." Decision (40 s) - "I used a graph with human approval before any action." Number (30 s) - "38 of 40 trajectory cases pass in CI (EXAMPLE)." Failure (30 s) - "The agent looped on a missing tool; I added a step budget and a test." Listen back for filler and vague claims. Day 98 builds on this.

References & Further Reading

Next · Day 64 · 40 minMulti-Agent Systems: When (Not) to Use ThemYou have shown your work and set a plan.← Previous: Day 62 · Capstone R3, Part 2: Durable, Evaluated, Shippable
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