Side Hustles in Spain

Synack Red Team Security

Join Synack's elite Red Team of vetted security researchers. Higher payouts and exclusive targets with a trusted, managed platform.

DataAnnotation.tech

Train large language models by writing, evaluating, and ranking AI-generated text. High-paying AI work for skilled writers and coders.

AI Data Labeling

Label and annotate data for AI training models on Scale AI. Help build the future of AI.

Buff Gaming Loyalty

Earn Buff Points while playing your favorite PC and mobile games. Non-intrusive background app that tracks playtime and rewards you.

Hive Work Data Labeling

Label data for AI training — annotate images, transcribe audio, and categorize content. Contribute to machine learning while earning.

Honeygain Passive

Honeygain is a passive micro-earning platform that enables individuals to earn income by sharing their internet connection. The software operates in the background of devices, utilizing spare bandwidth to facilitate data-heavy business tasks such as price aggregation and brand protection for verified corporate clients. It is primarily suited for individuals with unlimited data plans who seek a low-effort income stream without active task completion. Users earn credits based on the volume of data shared, typically at a rate of 3 credits per 10MB of data, with a payout threshold of $20. The commitment level is minimal, requiring only the initial setup and periodic monitoring of the app's status. While earnings vary significantly based on geographic location, network speed, and the number of connected devices, it offers a global reach. Key requirements include a stable internet connection, a compatible device (Windows, macOS, Linux, or Android), and adherence to a limit of one device per unique IP address to maximize efficiency.

GamerSaloon

Competitive gaming platform. Wager on your matches in popular games for cash prizes.

Language Tutoring (iTalki)

iTalki is a leading peer-to-peer language learning platform that facilitates synchronous video lessons between instructors and learners. The platform operates on a marketplace model where teachers are categorized into two tiers: Professional Teachers, who must provide teaching credentials or degrees, and Community Tutors, who provide informal conversational practice. Users earn money by listing their profiles, setting competitive hourly rates—typically ranging from $15 to $40—and managing their own schedules. iTalki takes a 15% commission on completed lessons. The platform suits individuals with strong communication skills and native or near-native fluency in at least one language. Commitment is flexible, as there are no minimum hours required, allowing it to serve as either a primary income source or a part-time side gig. Key operational requirements include a stable internet connection, a high-quality webcam, and a quiet environment for conducting sessions. Teachers are responsible for their own lesson planning, though community tutors focus primarily on verbal interaction rather than formal curriculum design.