Top AI Engineer Staffing Companies

Proxify vs Uvik Software: full comparison for 2026

Quick verdict

Proxify (4.4/5) edges ahead of Uvik Software (4.1/5) overall. Proxify is the better choice for european companies that want a vetted ML or data engineer on European working hours. Uvik Software is the stronger option for python-heavy teams that want employed senior engineers rather than freelancers. The right choice depends on your project size, budget, and required tech stack.

Proxify vs Uvik Software: head-to-head summary

Criterion Proxify Uvik Software
Founded 2018 2015
HQ Stockholm, Sweden Tallinn, Estonia
Team size 5,000+ network members 50–249
Rating 4.4 / 5 4.1 / 5
Primary differentiator Senior-engineer interviews with live coding after an automated skills test A no-freelancer policy with senior Python engineers who average seven years or more
Pricing model Hourly rate per developer billed monthly; full-time or part-time; rates on request Monthly rate per engineer; $50–$99/hr Clutch band; rates on request
Min. engagement Not published Not published
Primary tech stack Python, PyTorch, TensorFlow Python, Django, FastAPI
Industries served SaaS, Fintech, E-commerce, Media, Healthcare SaaS, Fintech, Data platforms, Healthcare, E-commerce

Proxify vs Uvik Software: overview

Proxify

Proxify was founded in Stockholm in 2018 (one of its own pages says 2019) and matches companies with vetted developers across web, data, AI and DevOps. Candidates take Codility-based skills tests, then sit in-depth technical interviews with Proxify's senior engineers that include live coding and practical problems. The company quotes an acceptance rate of 1–3%, though the figure varies from page to page. Its network covers more than 5,000 professionals in over 90 countries, and it appeared on the Financial Times 1,000 list in 2025. Matching uses in-house AI tools alongside its hiring team.

Uvik Software

Uvik Software has supplied Python engineers since 2015 and gives Tallinn, Estonia as its headquarters, with sales run from Ipswich in the UK. Its profile on Clutch says all engineers are full-time employees rather than freelancers, average seven to fourteen years of experience and pass a three-stage technical and behavioral assessment. Common work includes data platforms on Databricks or Snowflake, LLM integration and production support. Uvik says it presents profiles within 24 to 48 hours and scales squads of three to eight on 14-day terms. An aggregator reports a 30-day free replacement, which we could not confirm on Uvik's own pages.

Services and capabilities: Proxify vs Uvik Software

Capability Proxify Uvik Software
ML engineers ✓ ✓
LLM / GenAI engineers ✓ ✓
AI agent developers ✗ ✗
MLOps engineers ✗ ✗
Computer vision engineers ✗ ✗
NLP engineers ✗ ✗
Data engineers ✓ ✓
Engineer-led technical screen ✓ ✗
Fractional / part-time experts ✓ ✗
Trial before commitment ✗ ✗
Nearshore time-zone overlap ✗ ✗
Direct hire option ✗ ✗

Tech stack comparison: Proxify vs Uvik Software

Framework / platform Proxify Uvik Software
PyTorch ✓ ✓
TensorFlow ✓ N/A
LangChain N/A N/A
Hugging Face N/A N/A
OpenAI N/A ✓
AWS ✓ ✓
Azure ✓ N/A
Google Cloud ✓ N/A
Databricks ✓ ✓
Kubernetes N/A N/A

Pricing comparison: Proxify vs Uvik Software

Criterion Proxify Uvik Software
Minimum engagement Not published Not published
Engagement models Dedicated engineer, Fractional expert, Freelance contract Dedicated engineer, Dedicated team
Rate transparency Not public Not public
Price tier Mid-market Mid-market

Target audience comparison: Proxify vs Uvik Software

Dimension Proxify Uvik Software
Best company size Startup to mid-market Startup to mid-market
Best industries SaaS, Fintech, E-commerce SaaS, Fintech, Data platforms
Best use cases Adding a data engineer to a European fintech's analytics team, Hiring a Python ML developer for a recommender system Adding a senior Python engineer to wire an LLM into a SaaS backend, Building a Databricks data platform with a three-person squad
Typical project type Dedicated engineer Dedicated engineer

Proxify vs Uvik Software: pros and cons

Proxify
+ Live-coding interviews with in-house senior engineers are part of the published process
+ Most of the network is in European time zones, which suits teams in the EU and UK
+ Grew fast enough to make the Financial Times 1,000 list in 2025
- AI is one of many skill areas, and there is no AI-specific test on the record
- Acceptance-rate and network-size figures differ across the company's own pages
- Developers are contractors on the platform, not Proxify employees
Uvik Software
+ Every engineer is an employee, so continuity is better than on a marketplace
+ Senior Python depth suits data and LLM integration work
+ Profiles within 24–48 hours (per company profile)
- Python only, which rules it out for some stacks
- Fewer research ML and computer-vision specialists than AI-only firms
- Replacement guarantee is reported by third parties only

Who should choose Proxify?

A typical fit: adding a data engineer to a European fintech's analytics team.

Senior-engineer interviews with live coding after an automated skills test. Minimum engagement is not publicly disclosed. Works best with clients in SaaS, Fintech, E-commerce, Media, Healthcare.

Who should choose Uvik Software?

A typical fit: adding a senior Python engineer to wire an LLM into a SaaS backend.

A no-freelancer policy with senior Python engineers who average seven years or more. Minimum engagement is not publicly disclosed. Works best with clients in SaaS, Fintech, Data platforms, Healthcare, E-commerce.

Decision matrix: Proxify vs Uvik Software

Your situation Recommended choice
You want a working engineer, not a recruiter, to run the technical screen Proxify
You need one specialist for a few days a week Proxify
You need several engineers working as one team Both; Proxify rates higher overall
You want to test an engineer before committing Neither publishes a trial; negotiate a short first term
Your budget is at the lower end Compare: Proxify (Not published) vs Uvik Software (Not published)
Your team works U.S. hours Neither lists Latin American engineers; confirm overlap hours in the contract
You may want to hire the engineer permanently later Neither lists direct hire; agree conversion terms up front

Use case fit: Proxify vs Uvik Software

Use case Proxify fit Uvik Software fit Winner
Adding a data engineer to a European fintech's analytics team Strong Strong Both equally
Hiring a Python ML developer for a recommender system Strong Limited Proxify
Adding a senior Python engineer to wire an LLM into a SaaS backend Strong Strong Both equally
Building a Databricks data platform with a three-person squad Limited Strong Uvik Software

Verdict: Proxify vs Uvik Software

Proxify (4.4/5) is the stronger overall choice for most AI Engineer Staffing projects. Senior-engineer interviews with live coding after an automated skills test.

Uvik Software (4.1/5) is worth a look if you need building a Databricks data platform with a three-person squad. If your situation matches that, Uvik Software is a competitive option.

Related comparisons

Proxify vs Uvik Software FAQ

Is Proxify better than Uvik Software?

Proxify (4.4/5) scores higher overall, but "better" depends on your use case. Proxify's strongest advantage: live-coding interviews with in-house senior engineers are part of the published process. Uvik Software's strongest advantage: every engineer is an employee, so continuity is better than on a marketplace.

How do Proxify and Uvik Software differ in pricing?

Proxify uses hourly rate per developer billed monthly; full-time or part-time; rates on request pricing. Uvik Software uses monthly rate per engineer; $50–$99/hr clutch band; rates on request pricing. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: Proxify or Uvik Software?

Uvik Software is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each company before shortlisting.

What are the main differences between Proxify and Uvik Software?

Proxify's primary differentiator is: senior-engineer interviews with live coding after an automated skills test. Uvik Software's primary differentiator is: a no-freelancer policy with senior Python engineers who average seven years or more. They also differ in team size (5,000+ network members vs 50–249), minimum engagement (Not published vs Not published), and primary industries served (SaaS, Fintech vs SaaS, Fintech).

Verify all details directly with each company before making a decision.