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CryptoXpress
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Backend Engineer

Backend Engineer

CryptoXpress

0 years

3 - 4 Lacs

India

Posted:1 day ago| Platform:

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Skills Required

twitter transactions network support payments learning logic content design algorithms verification checks ai data patch api stability node.js python flask fastapi postgresql firebase authentication tooling scoring

Work Mode

On-site

Job Type

Full Time

Job Description

About The CryptoXpress Partner Program

Earn lifetime income just by liking posts, posting memes, art, simple threads, engaging on Twitter, Quora, Reddit, or Instagram, referral signups, commission from transactions like flight, hotel, trade, gift card etc.,(

Apply link at the bottom

)

More Details

Student Partner Program - https://cryptoxpress.com/student-partner-program
Ambassador Program - https://cryptoxpressambassadors.com

CryptoXpress has built two powerful tracks to help students gain experience, earn income, and launch real careers:🌱 Growth Partner: Bring in new users, grow the network, and earn lifetime income from your referrals' transactions like trades, investments, flight/hotel/gift card purchases.🎯 CX Ambassador: Complete creative tasks, support the brand, and get paid by liking posts, creating simple threads, memes, art, sharing your experience, and engaging on Twitter, Quora, Reddit, or Instagram.Participants will be rewarded with payments, internship certificates, mentorship, certified Web3 learning and career opportunities.

About The Role

CryptoXpress is looking for a skilled Backend Engineer to build the core logic powering our Partner Program reward engines, task pipelines, and content validation systems. Your work will directly impact how we scale fair, fast, and fraud-proof systems for global Student Partners and CX Ambassadors.

Key Responsibilities

Design APIs to handle submission, review, and payout logic
Develop XP, karma, and level-up algorithms with fraud resistance
Create content verification checkpoints (e.g., metadata checks, submission throttles)
Handle rate limits, caching, retries, and fallback for reward processing
Collaborate with AI and frontend engineers for seamless data flow
debug reward or submission logic
fix issues in task flows or XP systems
patch verification bugs or payout edge cases
optimize performance and API stability

Skills & Qualifications

Proficient in Node.js, Python (Flask/FastAPI), or Go
Solid understanding of PostgreSQL, Firebase, or equivalent databases
Strong grasp of authentication, role-based permissions, and API security
Bonus: Experience with reward engines, affiliate logic, or task-based platforms
Bonus: Familiarity with moderation tooling or content scoring

Join us and play a key role in driving the growth of CryptoXpress in the cryptocurrency space!

Pro Tip: Tips for Application Success

Please fill out the application below
Explore CryptoXpress before applying, take 2 minutes to download and try the app so you understand what we're building
Show your enthusiasm for crypto, travel, and digital innovation
Mention any self-learning initiatives or personal crypto experiments
Be honest about what you don't know - we value growth mindsets

How To Apply

Interested candidates must complete the application form athttps://forms.gle/CCaAvS6yLE92XAzU6Skills:- NodeJS (Node.js), Python, Flask, FastAPI, PostgreSQL and Firebase

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Backend Engineer