Crypto Senior Developer(CONTRACT)

Job Description #body.unify div.unify-button-container .unify-apply-now: focus, #body.unify div.unify-button-container .unify-apply-#body.unify div.unify-button-container .unify-apply-now: focus, #body.unify div.unify-button-container .unify-apply- **Job Title:** Crypto Senior Developer(CONTRACT) **City:** Warsaw **State/Province:** Warsaw **Posting Start Date:** 6/22/26 **Wipro Limited (NYSE:** WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and consulting company focused on building innovative solutions that address clients’ most complex digital transformation needs. Leveraging our holistic portfolio of capabilities in consulting, design, engineering, and operations, we help clients realize their boldest ambitions and build future-ready, sustainable businesses. With over 230,000 employees and business partners across 65 countries, we deliver on the promise of helping our customers, colleagues, and communities thrive in an ever-changing world. For additional information, visit us at www.wipro.com. **Job Description:** Job Description With 900+ employees in Poland supporting over 45 clients, we leverage our holistic portfolio of capabilities in consulting, design, engineering, operations, and emerging technologies to help clients realize their boldest ambitions and build future-ready, sustainable businesses. It is the freedom provided to every individual at Wipro to learn, grow, and create a career path that makes us an organization of opportunities beyond boundaries of region, age, gender, ability, and routine. We invite you to be a part of this experience! **Type of contract:** B2B **Location and Work Mode:** Warsaw - client office, Hybrid 1-3 days from client office. Note – Kindly discuss with recruiter for location flexibility. ͏ Key Requirements 12+ years of software development experience with a Bachelor’s Degree, or 8+ years of experience with an Advanced Degree (e.g., Master’s, MBA). Strong hands-on experience in backend development (Java preferred) and building high-performing distributed systems. Experience with frontend technologies, including AngularJS or similar frameworks, is highly desirable. Proven experience in designing APIs, microservices architecture, and integrating with third-party systems. Strong knowledge of Secure SDLC practices, including version control, CI/CD pipelines, unit testing, and performance testing. Solid understanding of blockchain technologies (public and permissioned), including Bitcoin, Ethereum, Hyperledger, and DeFi applications. Experience with smart contract development using Solidity and familiarity with EVM and low-level programming concepts (e.g., Assembly). Knowledge of payment systems, financial services compliance, and payment processing workflows. Full-stack development experience is an advantage. Strong problem-solving skills with the ability to quickly learn and adapt to new technologies. Excellent communication, stakeholder management, and leadership skills. ͏ Roles and Responsibilities Design, develop, and maintain end-to-end crypto and blockchain-based products, ensuring scalability, security, and high performance. Build and manage scalable distributed systems, including APIs, orchestration layers, and third-party integrations. Implement robust monitoring, alerting, and high-availability solutions to ensure system reliability and uptime. Contribute across the full Secure Software Development Lifecycle (SDLC), including design, coding, testing, deployment, and maintenance. Develop and optimize smart contracts and blockchain solutions using Solidity, EVM technologies, and related frameworks. Collaborate with cross-functional teams (product, design, engineering) to deliver seamless and user-centric solutions. Ensure compliance with security standards, financial regulations, and best practices in payments and crypto ecosystems. Troubleshoot, debug, and enhance existing systems to improve efficiency and performance. Provide technical leadership, mentor junior engineers, and support architectural decision-making. Continuously explore and adopt new technologies to solve complex business and technical challenges. ͏ **Equal Opportunity Employer:** Wipro is an Equal Opportunity Employer. We provide consideration for all qualified applicants regardless of race, color, religion, gender, marital status, age, ethnicity, national origin, sexual orientation, political views, disability, or any other characteristic protected by law **Internal Reporting and Whistleblower Protection:** Wipro IT Services Poland Sp. z o.o. adheres to the Internal Reporting and Whistleblower Protection Regulations. Candidates can submit internal reports via email to ombuds.person@wipro.com, through the Internet at www.wiproombuds.com , or by post/courier to Wipro's registered office. **Mandatory Skills:** Transformation Engineering . **Experience:** 5-8 Years . Reinvent your world. We are building a modern Wipro. We are an end-to-end digital transformation partner with the boldest ambitions. To realize them, we need people inspired by reinvention. Of yourself, your career, and your skills. We want to see the constant evolution of our business and our industry. It has always been in our DNA - as the world around us changes, so do we. Join a business powered by purpose and a place that empowers you to design your own reinvention. **#body.unify div.unify-button-container .unify-apply-now:** focus, #body.unify div.unify-button-container .unify-apply-#body.unify div.unify-button-container .unify-apply-now: focus, #body.unify div.unify-button-container .unify-apply-