Volga Partners

Backend Engineer

• Design, build, and deploy AI systems, including LLMs, RAG, agentic workflows, and ML/DL solutions.
• Select appropriate models and architectures while balancing accuracy, latency, cost, and complexity.
• Train and fine-tune models using PyTorch or Keras, including data preparation and evaluation.
• Implement and benchmark research methods before adoption.
• Build APIs, inference pipelines, and backend integrations.
• Own evaluation metrics and track quality, latency, and cost.
• Monitor, debug, and optimize AI systems post-launch.
• Ensure production readiness and identify regressions before they impact users.
• Partner with software engineers and product teams to integrate AI into applications.
• Contribute to technical discussions and technical decision-making.
• Document architecture, implementation approaches, and key technical decisions.
• Read and evaluate ML research papers.
• Implement promising methods and reproduce results where applicable.
• Adapt emerging techniques into production-ready systems.
• Contribute to continued innovation across AI and engineering initiatives.
• Collaborate with engineering leadership, product teams, software engineers, backend developers, and global AI research and development teams.
• Deliver production-ready AI systems with measurable impact.
• Translate research into practical engineering solutions.
• Document and share technical knowledge for scalability.

AI & Backend Engineer

Japanese

• Review Japanese audio and verify transcript accuracy
• Correct omissions, additions, repetitions, and pronunciation differences in transcriptions
• Review mixed Kanji/Kana transcription for accuracy, punctuation, pauses, and bunsetsu boundaries
• Validate Katakana pronunciation lines against spoken audio
• Apply project-specific pronunciation rules for particles, long vowels, double consonants, syllabic nasals, and contracted sounds
• Assign H/L pitch values to each mora aligned with the pronunciation line
• Represent audible vowel lengthening with additional mora and pitch values
• Flag unclear audio for review instead of making unsupported assumptions
• Maintain consistent annotation quality and follow calibration feedback
• Evaluate existing audio recordings rather than participate in one-time recording

Japanese Transcription, Pitch Annotation Specialist

Product Designer

• Register a new account on OKX and competitor apps
• Complete identity verification using an ID scan and selfie
• Deposit funds
• Make an initial cryptocurrency purchase
• Narrate thoughts aloud while recording screen and audio
• Submit recordings and written feedback questionnaires
• Attend a weekly one-hour debrief call on Fridays
• Participate in a structured research project evaluating the onboarding and payment journey within the OKX cryptocurrency exchange app

User Experience Study Tester

• Register a new account on OKX and competitor apps
• Complete identity verification using an ID scan and selfie
• Deposit funds
• Make an initial cryptocurrency purchase
• Narrate thoughts aloud while recording screen and audio
• Submit recordings and written feedback questionnaires
• Attend a weekly one-hour debrief call on Fridays
• Participate in a structured research project evaluating the onboarding and payment journey in the OKX cryptocurrency exchange app

User Experience Tester – OKX Crypto Exchange

• Register a new account on OKX and competitor apps
• Complete identity verification using an ID scan and selfie
• Deposit funds
• Make an initial cryptocurrency purchase
• Narrate thoughts aloud while recording screen and audio
• Submit recordings and written feedback questionnaires
• Attend a weekly one-hour debrief call on Fridays
• Participate in a structured research project evaluating onboarding and payment journeys in the OKX cryptocurrency exchange app