>
Location:
homeoffice
Work time:
flexible
static
Job type:
Full-time or
Part-time
Collaboration:
permanent
agreement
invoice
Salary:
69 - 142 € / hour
Compensatin depending on proficiency and knowledge
Last update: 15. 10. 2025

Machine Learning Engineer

altruizmus
impact
altruism
effective
efektivny
záujem o AI
impakt
machine learning
machine learning engineer
flexi
The FLEXi factor is appreciated, for example, by working mothers with small children, project managers or students.
ML
RL
reinforcement learning

Job description

RL environment engineers

Pay: $80/h to $165/h
Hours: 40 hours / week
Location: Remote
Contract length: 3 months, with potential for extension
Work time: Need time to overlap with Pacific Time (9am to 5pm) at least 3 hours per weekday.

Who are we looking for

Mission

The RL environments engineers will be responsible for designing and building MLE and SWE environments, making sure that we deliver high quality diverse tasks on time with minimal supervision.

Outcomes

  • Typical completion pace for high quality MLE RL tasks is one task every 3–5 hours.

  • Can onboard quickly and start delivering tasks on day one.

  • The tasks will target a specific language model and satisfy a given difficulty distribution.

  • Environment engineers are responsive and can edit tasks within 24 hours based on customer feedback.

Competencies

  • Environment engineers are expected to be creative and can come up task in their specific domain of Machine Learning tasks with out too much supervision

  • Environment engineers have experience doing ML, e.g. via coursework or previous work experience, whether in data preparation, infrastructure, or model training

  • Environment engineers are caught up with the current ML ecosystem

  • Fluent in Python

  • High responsibility and high integrity

  • Heavy user of LLMs in their daily work and familiar with their shortcomings

Interview process

An AI recruiter will ask you about your ML experience to complement your resume. All calls are reviewed by a person, but our AI recruiter allows you to take the interview at your convenience.

Selected candidates will receive a take-home assessment which will be our main evaluation factor for who we select. 


Equal Opportunity: AIChamp values diversity and is an equal opportunity employer.

Why should you choose us

Mission

The RL environments engineers will be responsible for designing and building MLE and SWE environments, making sure that we deliver high quality diverse tasks on time with minimal supervision.

Language proficiency

  • english - C1 - advanced

Skills

  • machine learning engineer - advanced
  • artificial intelligence - advanced
  • software engineering - advanced

Details

Start date

ASAP (by agreement)

Date of completion of the selection process

13 January 2026

For whom

  • University student
  • A recent college graduate
  • Young professional (work experience up to 3 years from college graduation)
  • Professional

About organization

Efektívny Altruizmus

Efektívny altruizmus hľadá najlepšie spôsoby pomoci ľuďom aj zvieratám. Snažíme sa identifikovať najnaliehavejšie problémy sveta a ich praktické riešenia. Medzi našich členov a priaznivcov sa zaraďujú..
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