About Holitix Holitix is a forward-thinking Web3 innovation hub dedicated to helping businesses unlock the full potential of blockchain technology. We specialize in delivering secure, scalable, and innovative digital solutions that enable organizations to transform operations, create new opportunities, and thrive in the decentralized economy. Our role is to bridge the gap between emerging technologies and real-world business needs. From strategic consulting and product development to blockchain implementation and digital transformation, Holitix serves as a trusted partner for enterprises, startups, and innovators looking to build the future with confidence. By combining technical expertise, industry insights, and a commitment to excellence, we help our clients turn ambitious ideas into impactful solutions that drive sustainable growth and long-term success. About the Role We are looking for a highly skilled Senior Blockchain Engineer to join our engineering team and help design, build, and scale secure blockchain-based products. The ideal candidate has strong experience in smart contract development, blockchain protocols, decentralized applications, and backend systems. You will work closely with product, engineering, and security teams to develop robust Web3 solutions, contribute to technical architecture, and ensure our blockchain infrastructure is secure, scalable, and reliable. Key Responsibilities - Design, develop, test, and deploy smart contracts and blockchain-based applications. - Build and maintain decentralized applications, blockchain integrations, and backend services. - Work with blockchain networks such as Ethereum, Polygon, Solana, BNB Chain, Avalanche, or similar ecosystems. - Review and optimize smart contracts for security, gas efficiency, and performance. - Collaborate with frontend, backend, product, and security teams to deliver high-quality Web3 products. - Participate in architecture decisions and contribute to technical strategy. - Integrate wallets, token standards, DeFi protocols, NFTs, DAOs, or other blockchain infrastructure as needed. - Write clean, maintainable, well-documented code. - Conduct code reviews and mentor junior engineers. - Stay current with emerging blockchain technologies, security standards, and industry best practices. Required Qualifications - 5+ years of professional software engineering experience. - 3+ years of hands-on blockchain or Web3 development experience. - Strong experience with Solidity, Rust, Go, or other blockchain-related programming languages. - Experience developing and deploying smart contracts on mainnet or testnet environments. - Strong understanding of blockchain concepts, including consensus mechanisms, wallets, private keys, transactions, gas fees, bridges, and token standards. - Experience with frameworks and tools such as Hardhat, Foundry, Truffle, Web3.js, Ethers.js, Anchor, or similar. - Solid backend development experience using Node.js, TypeScript, Go, Python, or similar technologies. - Strong understanding of security best practices for smart contracts and decentralized systems. - Experience with Git, CI/CD workflows, APIs, databases, and cloud infrastructure. - Excellent problem-solving, communication, and teamwork skills. Nice to Have - Experience with DeFi, staking, tokenomics, NFT platforms, Layer 2 solutions, or cross-chain protocols. - Familiarity with smart contract audits and formal verification. - Open-source contributions in the blockchain or Web3 ecosystem. - Experience with indexing tools such as The Graph. - Knowledge of zero-knowledge proofs, account abstraction, MEV, or rollup technologies. - Previous experience working in a startup or fast-paced product environment. What We Offer - Competitive salary and performance-based incentives. - Flexible working environment. - Opportunity to work on innovative blockchain and Web3 products. - Collaborative and growth-focused team culture. - Professional development and learning opportunities. - The chance to make a meaningful impact in a rapidly growing industry. How to Apply Please submit your resume, GitHub profile, portfolio, or examples of previous blockchain projects. We would love to hear about smart contracts, protocols, or Web3 applications you have built or contributed to. Join us and help build the future of decentralized technology.

Role Description Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. Position: Systems Engineer (Coding Agent Experience) Type: Contract Compensation: $85/hour Location: Remote Role Responsibilities - Use frontier AI coding agents to complete and evaluate complex engineering tasks. - Review model-generated code, architecture decisions, and systems implementations. - Identify bugs, edge cases, performance bottlenecks, and failure modes. - Compare outputs from multiple frontier models and assess their strengths and weaknesses. - Apply professional engineering judgment to realistic systems engineering scenarios. - Work independently and asynchronously to meet deadlines while improving AI model performance. Qualifications - Must-Have: 2+ years of professional systems engineering experience. - Experience with distributed systems, networking, operating systems, storage systems, infrastructure software, or database internals. - Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, Gemini CLI, or similar tools. - Ability to evaluate model-generated systems designs and implementations. - Preferred: Experience building highly scalable and performance-critical systems. Requirements - Compensation: $400 per accepted task. - Compensation is tied to accepted work. Application Process - Upload resume. - AI interview based on your resume. - Submit form. Resources & Support - For details about the interview process and platform information, please check: Interview Process . - For any help or support, reach out to: support@mercor.com . - PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Role Description At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of today and tomorrow. Informed and validated by science and data. Superpowered by creativity and design. All underpinned by technology created with purpose. - Presales & Opportunity Shaping: Lead discovery workshops to shape problem statements, value cases, target architecture, and transformation roadmaps for pharma manufacturing. - Proposal / RFP Leadership: Own proposal response strategy, solutioning, estimation, delivery approach, risk assumptions, pricing inputs, and develop reusable POVs/demos. - Excellent storyboarding, value articulation, case writing, assumptions/risks/dependencies, and capability of creating executive-ready decks is mandatory. - Estimation & Planning: Lead delivery estimation and planning across work breakdown, resourcing, timelines, delivery model, and quality gates. - Commercial Acumen: Good understanding of SOW constructs, milestones, governance, and input to pricing/commercials (with appropriate internal support). - Client Advisory: Acts as trusted advisor by bringing strong consulting capabilities and proven delivery methodologies to influence decision-making through executive communication and structured recommendations. - Program Leadership: Own multi-workstream delivery governance across sites; manage stakeholders, vendors, and distributed teams. - MES / eBR Leadership: Drive paperless manufacturing—requirements and solution design across eBR/eMBR, recipe/batch execution, materials & genealogy, weigh & dispense, and exceptions handling. - LIMS / QC Digitization: Lead lab transformation—sample lifecycle, test workflows, stability, reporting/COA—and standardize QC processes and data models. - Digital Quality (eQMS/QMS): Lead deviations, CAPA, change control, audits, training, document control, and supplier quality digitization with audit-ready workflows. - IT/OT & Data Architecture: Define integration blueprints across MES, ERP, LIMS, QMS, Historian, and SCADA, with contextualized data architecture for end-to-end traceability. - AI Enablement: Identify and lead AI/advanced analytics use cases (deviation insights, drift detection/predictive quality signals, process optimization, reliability analytics) with governance, traceability, and controlled rollout. Qualifications - 10–14 years in Pharma/Life Sciences manufacturing digitalization with consulting delivery leadership. - Bachelor’s/master’s in engineering/technology/industrial/Pharma/Chemical or related fields. - MBA or an equivalent qualification from a top tier/reputed institute. - Strong experience across at least two of MES/eBR, LIMS, or eQMS/QMS, with integration/data platform exposure; Pharma MES experience (Werum PAS-X, PharmaSuite, Opcenter Pharma) is a plus. - Experience of managing discussions with clients, CXO level engagements, advisory roles. - Exposure to ISA-95/ISA-88, MESA standards, manufacturing data contextualization, IIoT/historian integrations. - Experience with cloud data platforms, MLOps concepts, and model monitoring/governance in regulated settings. - Agile delivery (Scrum/SAFe), Lean/Six Sigma; alliance/vendor ecosystem experience; building demos/POVs. - AI enablement experience: delivered/led 1–2 analytics/AI initiatives (PoC/MVP/scale) in manufacturing/quality contexts. Benefits - We recognize the significance of flexible work arrangements to provide support. - Be it remote work, or flexible work hours, you will get an environment to maintain healthy work-life balance. - At the heart of our mission is your career growth. Our array of career growth programs and diverse professions are crafted to support you in exploring a world of opportunities. - Equip yourself with valuable certifications in the latest technologies such as Generative AI.

Role Description We are building a stealth-stage consumer platform that combines AI-powered data extraction, a token-based incentive layer, and on-chain data verification. The product is built around a mobile-optimised web application through which users contribute structured, verified real-world data and are rewarded with tokens. We have completed the proof-of-concept phase: a working barcode scanner, multi-image capture flow, AI extraction pipeline, and product database are all in production. The MVP phase adds the blockchain and token reward layer on top of this foundation. The engineer joining this role will not be rebuilding anything that already exists — the scope is additive. Full details of the product, market, and roadmap are shared under NDA during the interview process. Qualifications - Experienced blockchain engineer - Hands-on, individual contributor role - Direct accountability to the founding team - Engagement runs for at least five months - Possibility of a continued relationship depending on the outcome of the MVP phase Requirements - Smart contracts: design, write, and deploy an ERC-20 token contract on Base with minting restricted to the backend signing wallet. - Batch jobs: implement a Batch Anchor Job (collect unanchored scans, compute hash, submit on-chain) and a Batch Token Distribution Job (multi-send accrued balances to all eligible wallets). - Backend integration: extend the current schema with models for blockchain status, anchor batches, user wallets, and token rewards via a migration that does not disrupt the live extraction pipeline. Build blockchain status and balance API endpoints. - Frontend wallet layer: integrate wagmi v2 + viem into the existing Next.js frontend. Implement wallet connect/disconnect, token balance display (accrued vs. distributed), and error handling for network mismatch, missing extension, and rejected connections. Scanning must remain functional without a connected wallet. - Security: backend signing key in secrets manager, rate limiting on scan endpoints, no raw message signing from user wallets, and a documented key rotation runbook before mainnet. - QA and load testing: extend the regression suite to cover batch flows and blockchain status transitions; run load tests at 500 and 1,000-product anchor batches. Benefits - Opportunity to work closely with the founding team - Direct access to the project management team for architectural decisions - Engagement in a cutting-edge technology project Company Description We are currently operating in stealth. Candidates advancing to interviews will be asked to sign a mutual NDA before full project details are disclosed. To apply, please send your CV and a short cover letter to info@appspoon(dot)io, or connect with Chuanshan Huang on LinkedIn if you'd like to chat informally first.