Senior Software Engineer

Position:

Senior Software Engineer

Type:

Contract (Part-Time)

Compensation:

$100–$150/hour

Location:

Remote

About the Opportunity
This opportunity is for experienced

Senior Software Engineers

with expertise in

software development, algorithms, data structures, debugging, codebase refactoring, performance optimization, and modern programming languages

to contribute to advanced

AI training and evaluation projects .
You'll apply your software engineering expertise to create

Reinforcement Learning (RL) environments

that test AI models on realistic software engineering workflows, including

DevOps, CI/CD, debugging, code optimization, and command-line development workflows .
You'll design reproducible environments, develop

golden reference solutions , and create challenging engineering tasks that evaluate an AI model's ability to reason through complex software problems.
No prior

AI experience

is required. Your

software engineering expertise and technical problem-solving skills





are the primary qualifications for success in this role.
Responsibilities
Design and develop

Reinforcement Learning environments

that evaluate AI models on realistic software engineering workflows.
Create technical tasks involving

debugging, feature implementation, code refactoring, performance optimization, and DevOps workflows .
Build reproducible environments using tools such as

Git, Docker, GDB, AddressSanitizer (ASan), FFmpeg, and other CLI tools .
Develop and validate

golden reference solutions

for software engineering evaluation tasks.
Apply expertise in

algorithms, data structures, debugging, and performance tuning

to create challenging technical scenarios.
Evaluate AI-generated solutions for

correctness, maintainability, performance, and robustness .
Identify bugs, edge cases, implementation failures, and performance bottlenecks.
Collaborate with technical teams to refine

task specifications, evaluation criteria, and engineering work

📌 Senior Software Engineer (Madrid)
🏢 Synthires
📍 Madrid