GammaStack - Blockchain Developer - Backend System
4 weeks ago
Description:- Lead and own backend development using Node.js and Express.js- Design, build, and maintain scalable RESTful APIs and microservices architecture- Write, debug, and optimize complex raw SQL queries for performance and scalability- Work with PostgreSQL and Sequelize ORM for data modeling and management- Implement caching solutions using Redis & Integrate real-time features using Socket.io- Develop and integrate smart contracts (Solidity / Rust)- Work with blockchain protocols (Ethereum, Polygon, BNB Chain, Solana, etc.) to enable smooth crypto transactions- Design and implement wallet integrations (MetaMask, WalletConnect, custom/custodian wallets)- Integrate Web3.js / Ethers.js or similar blockchain libraries into the backendRequired Skills:- 3-5 years of experience as a Backend Developer with at least 2-3 years with blockchain projects- Expertise in raw SQL queries, indexing, joins, query tuning, and optimization- Strong proficiency in PostgreSQL and Sequelize ORM- Hands-on experience with Docker, Redis, and Socket.io- Familiarity with AWS cloud services (EC2, S3, RDS)- Strong understanding of backend performance optimization techniques- Proven leadership or mentoring experience in engineering teams- Strong proficiency in Solidity (Rust is a plus)- Experience with Web3.js / Ethers.js or similar blockchain libraries- Experience with multiple blockchain protocols (Ethereum, Polygon, BNB Chain, Solana, etc.)- Knowledge of wallet integrations (MetaMask, WalletConnect, custom/custodian wallets)Must-Have Skills:- Node.js & Express.js backend development- PostgreSQL (raw SQL, Sequelize ORM)- Redis caching & Socket.io real-time features- Solidity smart contracts & major blockchain protocols (Ethereum, Polygon, BNB, Solana)- Web3.js / Ethers.js & wallet integrations (MetaMask, WalletConnect)- Docker & basic AWS deployment skills- Backend performance optimization & team leadership (ref:hirist.tech)
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Bengaluru, Karnataka, India GAMMASTACK Full time ₹ 20,00,000 - ₹ 25,00,000 per yearDescriptionLead and own backend development using and Design, build, and maintain scalable RESTful APIs and microservices architectureWrite, debug, and optimize complex raw SQL queries for performance and scalabilityWork with PostgreSQL and Sequelize ORM for data modeling and managementImplement caching solutions using Redis & Integrate real-time features...
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Bengaluru, India Gammastack Full timeDescription :- Lead and own backend development using Node.js and Express.js.- Design, build, and maintain scalable RESTful APIs and microservices architecture.- Write, debug, and optimize complex raw SQL queries for performance and scalability.- Work with PostgreSQL and Sequelize ORM for data modeling and management.- Implement caching solutions using Redis...
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Bengaluru, Karnataka, India Grep Ruby WebTech Pvt. Ltd. Full time ₹ 12,00,000 - ₹ 36,00,000 per yearDescription: - Lead and own backend development using and - Design, build, and maintain scalable RESTful APIs and microservices architecture - Write, debug, and optimize complex raw SQL queries for performance and scalability - Work with PostgreSQL and Sequelize ORM for data modeling and management - Implement caching solutions using Redis...
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Bengaluru, Karnataka, India GAMMASTACK Full time ₹ 9,00,000 - ₹ 12,00,000 per yearAbout GammastackGammaStack is an end-to-end IT solutions provider boasting 8+ years of experience in the industry and backed by an exceptionally talented team of 350+ developers. We cover comprehensive iGaming software development solutions, including but not limited to sports betting, online casinos, game development, live dealer casinos, fantasy sports,...
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Creative Designer
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Bengaluru, Karnataka, India Gammastack Full time**Exp**: Yrs of experience 4-6 **Location**: Bangalore **Responsibilities**: - Brand Evolution: Refine and elevate GammaStack’s design direction for a cohesive brand experience across various platforms. - Paid Social Focus: Design eye-catching assets for paid social campaigns, including static visuals, animations, and video content. - Motion Design...
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Gammastack - UI Developer - Javascript
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Creative Designer
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Bengaluru, Karnataka, India gammastack indore Full time ₹ 9,00,000 - ₹ 12,00,000 per yearJob Description Experience: 4-6 YearsLocation: BangaloreResponsibilities:Brand Evolution: Refine and elevate GammaStacks design direction for a cohesive brand experience across various platforms. Paid Social Focus: Design eye-catching assets for paid social campaigns, including static visuals, animations, and video content. Motion Design Expertise:...
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Bengaluru, India McLaren Strategic Solutions Full timeJoin a fast-paced blockchain engineering team focused on building secure and compliant decentralized systems. Responsible for smart contract development, protocol-level integrations, and core blockchain services.Key Responsibilities:· Design and develop smart contracts using Solidity with a focus on compliance and secure transaction handling.· Extend...
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Blockchain Developer
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Bengaluru, India McLaren Strategic Solutions (MSS) Full timeJoin a fast-paced blockchain engineering team focused on building secure and compliant decentralized systems. Responsible for smart contract development, protocol-level integrations, and core blockchain services.Key Responsibilities:· Design and develop smart contracts using Solidity with a focus on compliance and secure transaction handling.· Extend...