Hire Python developers.
Python for the jobs where a silent bug costs real money.
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Senior engineers
In your repo and standups.
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Monthly terms
Stop with 2 weeks' notice.
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No hiring process
No recruiters. No notice periods.
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You own the code
100% of the IP, day one.
To hire Python developers in 2026, look for seniors fluent in FastAPI or Django, async I/O and its traps, typed Python with Pydantic and a type checker, locked environments with uv and pytest. For data or LLM work, add pipeline design and evaluation. Yarify gives you senior Python engineers on monthly terms with 2 weeks' notice, or fixed-price projects. Senior market rates run about $60–80 per hour in Central Europe and $140–200+ in the US.
Six strategies. One risk layer.
Our Polymarket trading bot runs six strategies on one async engine against the CLOB API. Every order passes a shared risk-control layer, so no strategy can blow through limits alone.
That's how we write all Python: explicit limits, logs you can audit afterwards, a kill switch. The same discipline fixes the nightly import that silently skips rows.
Where our Python developers work
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FastAPI · Django
Typed APIs or batteries included.
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Data pipelines
pandas or Polars, rerunnable jobs.
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LLM tooling
Retrieval, batch runs, evaluations.
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Trading automation
Risk limits and kill switches.
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Scripts into systems
Dockerized, tested, documented.
Hiring takes months. We start building.
Hiring a developer
- Job post & sourcing
- Interviews
- Notice period
- Onboarding
- Building
Yarify
- Call + fixed quote
- Building + weekly demos
- Live. Iterating with users.
Illustrative timeline. In-house hiring usually spends months on sourcing, interviews and notice periods before the first commit.
Python done like production code
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Async without traps
No blocking calls inside async endpoints. Timeouts on every network call. Cancellation that cleans up.
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Jobs safe to rerun
Idempotent steps, upserts and checkpoints. Data checks fail loudly instead of writing bad rows.
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Modern hygiene
uv lockfiles, Ruff, mypy or pyright in CI, pytest fixtures. Same result on laptop, CI and production.
Ways to hire Python developers
| Model | What it looks like | Billing |
|---|---|---|
| Staff augmentation | A senior Python engineer in your team and backlog | Monthly, 2 weeks' notice |
| Dedicated team | A small team owning a service, pipeline or product | Monthly, 2 weeks' notice |
| Fixed-price project | A backend, pipeline or automation to a written scope | Fixed quote, overruns ours |
Test for a senior Python developer
- Knows asyncio vs threads vs processes, and when the GIL matters
- Finds the blocking call hiding in an async endpoint
- Uses Pydantic at the boundaries and a type checker in CI
- Can rebuild the exact environment from a lockfile
- Mocks the network in tests, not the logic
- Puts timeouts, retries and backoff on every external call
Interview questions for Python developers
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FastAPI is slow only under load. Why?
A sync driver or library blocking the event loop, pool limits, missing timeouts.
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A nightly job died halfway. How do you rerun it?
Idempotent steps or upserts, so reruns don't duplicate. Delete everything and restart is a no.
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Add a risk limit to a trading strategy.
A shared layer checking exposure before any order, a kill switch, a log of every decision.
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How do you test code that calls an LLM?
Deterministic tests around it, a small evaluation set, recorded responses in CI. Never eyeballing chat.
Python developer rates by region
Hourly market bands from industry surveys. Not our price list: we quote after a free call.
| Region | Junior | Mid-level | Senior |
|---|---|---|---|
| United States | $70–100 | $100–140 | $140–200+ |
| Western Europe | $55–80 | $80–110 | $110–160 |
| Central & Eastern Europe | $30–45 | $45–60 | $60–80 |
| Latin America | $35–50 | $50–65 | $65–90 |
| South & Southeast Asia | $20–32 | $32–42 | $42–55 |
A senior CEE Python engineer runs about $9.6k–12.8k per full-time month at market rates. See software developer rates.
Your secrets stay yours.
We work in your repo, your cloud and your secrets manager. Monthly billing. Stop with 2 weeks' notice. You own 100% of the code and IP from day one, in your repository, not ours.
- Credentials under your control
- Fixed-price projects: overruns on our estimate are ours
Python we delivered
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Six Strategies, One Risk Layer
Async Python trading engine for Polymarket: six concurrent strategies, shared risk controls, EIP-712 signed orders via the CLOB API, under one second from signal to order.
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Five AI Agents, One Fix Plan
Multi-agent LLM system: five specialist agents audit citability, authority, E-E-A-T, technical GEO, schema and platform presence, then a synthesis layer writes a weighted score and fix report.
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See Our Sofa in Your Living Room
AI virtual staging for a furniture retailer: catalogue ingestion, room analysis, perspective-aware placement of real products, generative compositing, shopper UI and lead capture.
Questions buyers ask us
How much does it cost to hire a Python developer?
Industry surveys put senior Python developers at roughly $60–80 per hour in Central and Eastern Europe, $110–160 in Western Europe and $140–200+ in the US. A senior CEE month is about $9.6k–12.8k. We quote monthly or fixed-price after a free call.
Should we use FastAPI or Django?
Django when you need an admin, user accounts and a relational model fast. FastAPI for API-first, async services with typed contracts, especially next to ML or LLM code. Plenty of products run both.
Do you build trading bots and financial automation?
Yes. We built an async engine running six strategies with a shared risk layer on the Polymarket CLOB API. We build the software, risk controls and monitoring. We don't give trading advice or design your edge.
Can your Python developers work on data and ML?
On the engineering side, yes: ingestion, scheduling, model and LLM integration, evaluation, deployment. For research-heavy model training you want a data scientist alongside. For AI products see AI developers.
Can you take over our scripts that grew into systems?
Yes. We get them running reproducibly in Docker, add tests around the risky parts and document each job. Then we improve in small steps. Read replacing manual data entry with custom AI tools.
How soon can a Python developer start?
It depends on availability when you call. We're a boutique senior team, not a staffing marketplace, so we don't promise start dates on a website. You'll get a straight answer on the first call.
Keep reading
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Node.js vs Python
Node.js or Python for your backend? Concurrency, data and AI workloads, typing, frameworks, hiring and running cost compared, with plain rules for when to mix both.
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Backend developers
Senior backend engineers in Node.js, Python and Java Spring Boot. APIs, data models, integrations, queues and cloud deploys built to survive real traffic. Monthly or fixed-price.
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Staff augmentation
Senior engineers embedded in your existing team: your repo, your standups, your tracker. Monthly billing, 2 weeks’ notice, and every line of code is yours.
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Dedicated development team
A dedicated development team of 2–4 senior engineers working on your product. Monthly billing, cancel with 2 weeks’ notice, 100% of code and IP is yours.
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Augmentation vs dedicated team
Staff augmentation or a dedicated development team? Who manages the work, who owns delivery, monthly costs and a clear rule for choosing, with an illustrative example.
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Developer rates by country
Hourly software developer rates by country and seniority in 2026: US, Western Europe, Central & Eastern Europe, Latin America and Asia, with monthly costs and freelance benchmarks.
Python that holds up when it matters
30 minutes with a senior Python engineer. Bring the job that fails most often.