Senior Application Developer

Experience: 5+ years

Location: Mumbai - Andheri Marol

Company: Wissen Technology

Website: www.wissen.com

Job Description:

Wissen Technology is currently hiring experienced Full Stack Java Developers with strong expertise in Core Java, Spring Boot, front-end technologies (Angular/React), REST APIs, multithreading, data structures, and SQL.

You will be working on enterprise-grade solutions as part of a global development team tackling complex problems in domains like Banking and Finance.

This is an excellent opportunity to be part of a high-caliber, technically strong team delivering impactful solutions for Fortune 500 companies.

Key Responsibilities:

• Develop and maintain scalable, high-performance applications with a focus on both backend (Java/Spring Boot) and frontend (Angular/React).
• Participate in all phases of the development lifecycle – design, coding, testing, deployment, and maintenance.
• Work closely with cross-functional teams to understand requirements and deliver quality solutions.
• Optimize application performance and ensure responsiveness across platforms.
• Write clean, maintainable, and well-documented code.

Required Skills:

• 5+ years of hands-on experience in Java, Spring Boot.
• Strong proficiency in frontend frameworks like Angular or React.
• Experience with RESTful APIs, microservices, and web technologies (HTML, CSS, JavaScript).
• Sound knowledge of data structures, algorithms, and multithreading.
• Experience in developing and deploying enterprise-grade applications.
• Solid understanding of RDBMS (e.g., Oracle, MySQL, PostgreSQL).
• Exposure to DevOps practices, version control (Git), and CI/CD pipelines.
• Familiarity with Unix/Linux environments.
• Strong problem-solving, communication, and analytical skills.

Good to Have:

• Exposure to cloud platforms like AWS, Azure, or GCP.
• Understanding of containerization using Docker/Kubernetes.
• Knowledge of Agile methodologies.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Job Title: Senior Blockchain Developer

Job Description:

We are seeking a highly skilled Senior Blockchain Developer to join our team. The ideal candidate will have extensive experience in Ethereum, Bitcoin, Solana, and related technologies, with a strong focus on smart contracts and node setup. The candidate should be proficient in Solidity using tools like Hardhat or Foundry, as well as possess expertise in NodeJS. Experience with Rust, and Golang is considered a significant advantage.

Responsibilities:

- Develop and deploy smart contracts on Ethereum, Bitcoin, and Solana blockchains.

- Configure and maintain blockchain nodes for optimal performance.

- Collaborate with cross-functional teams to integrate blockchain solutions into existing systems.

- Write clean, efficient, and maintainable code in Solidity, NodeJS, and other relevant languages.

- Stay updated on the latest developments and trends in blockchain technology.

- Contribute to the design and architecture of blockchain-based applications.

Requirements:

- Bachelor's degree in Computer Science, Engineering, or related field.

- Minimum of 3 years of experience working with blockchain technologies.

- Proficiency in Ethereum, Bitcoin, and Solana blockchains.

- Strong understanding of smart contracts and their implementation.

- Experience with Solidity using Hardhat or Foundry.

- Solid knowledge of NodeJS.

- Familiarity with Rust, Golang, and Hyperledger is a plus.

- Excellent problem-solving and analytical skills.

- Ability to work both independently and collaboratively in a fast-paced environment.

- Strong communication and interpersonal skills.

If you possess the required skills and are passionate about blockchain technology, we encourage you to apply for this exciting opportunity.

Join us in shaping the future of decentralized applications and blockchain solutions.

• Design and develop a comprehensive website using Next.js, integrating both client-side and server-side architecture.
• Build reusable code and libraries for future use, ensuring the technical feasibility of UI/UX designs.
• Optimize applications for maximum speed and scalability across a vast array of web-capable devices and browsers.
• Collaborate with team members, including designers and project managers, to translate business and user requirements into technical solutions.
• Implement robust security and data protection measures.
• Stay up-to-date with emerging technologies and industry trends to incorporate into operations and practices.
• Conduct testing to identify bugs and technical issues before and after deploying.
• Document development processes, code changes, and other technical information for reference and reporting.

JOB DESCRIPTION

It is an app that allows offline businesses to sell their products and services online. On our app, the users can make beautiful product catalogues (catalogs) right from a smartphone and share with their customers easily on different social media apps such as Whatsapp Business, Whatsapp, Facebook, Instagram etc. Praised by users all over India, thisapp has saved declining businesses by helping them transfer their shop online. The journey has just begun and we are on a mission to make India truly Digital. They are currently powering over 3.7 M ecommerce stores built by indian small businesses

and growing at a crazy rate.

We are looking for a full-stack developer to join our team who will be part of our new innovations team.

Responsibilities:

• Rapidly developing new user-facing features & product prototypes using React.js & Django.

• Will be responsible for new product prototypes, quick feature ideations & rapid response for critical issues

• Work on the their frontend store - Built with react & nextjs.
• Work on their backend - Built with Python Django & DRF
• Collaborate with existing team on our Android apps

Requirements:

• Familiarity with React & Next Js for frontend.
• Proficiency in backend development with Python Django & DRF
• Familiarity with Postgres, Elasticsearch & Mongo.
• Familiarity with Android app development with Native JAVA
• Familiarity with REST APIs architecture & working with third party APIs.

                                                             Tech Lead - BizzTM

Job Title: Tech Lead

 Location: Gurgaon

About us

BizzTM is an innovative retail platform that offers access to a range of e-commerce products through a network of local 'BizzOwners' in Tier2+ cities. It brings the variety and range of e-commerce categories to the aspirational population in these cities which are underserved by e-commerce due to high delivery costs and the need for trust.

Experience Required:

 4-6 years of experience About the role We are looking for a Tech Lead to turn our vision and product into easy-to-use software for our Clients.

Responsibilities:

• Responsibility for delivery of overall technical solution on schedule and time
• Knowledge in developing enterprise solution architecture design for solving complex business problems considering re-use, scalability, reliability, innovation and emerging technology trends
• Evaluates solutions to ensure that they are in alignment with the broader organization's mission, strategy / objectives, capabilities and processes using industry recognized architectural models and roadmaps
• Works with the business to understand and solve complex problems, by presenting various solution options and technical concepts in a comprehensible manner
• Evaluates emerging technologies and drive digital transformation while providing solutions to problems with innovative and creative ideas
• Works closely and continuously with the business to focus on meeting business requirements and incorporating broader aspects such as data privacy & sovereignty, business continuity, information security, integration with other systems, etc.
• Recognizes industry technology trends and emerging technologies, understands how businesses can adopt them
• Capable to work across multiple projects / engagements with varied stakeholders.
• Oversight on the implementation through periodic reviews and due diligence checks to confirm the developed solution complies with architectural design

Requirements:

• Experience of Design & development of MVC, REST API services on Node.js based framework(FeathersJS/ExpressJS)
• Experience of Object oriented programming
• Proven ability to deliver in a fast-paced development environment
• Strong programming skills (Javascript, CSS, HTML, ReactJS)
• Experience with SQL based database
• A positive attitude, and a team player
• Experience with scalable architectures using API management, container orchestration (e.g. Kubernetes, Cloud Foundry etc.), API management, microservice frameworks, etc.
• Broad and extensive knowledge of the software development process and its technologies & engineering practices like DevOps, Continuous Integration & Delivery
• Experienced in client-side app design and development in Angular, ReactJS, NodeJS etc.
• Significant experience in presenting ideas, products, concept papers to varied audiences
• Software development full lifecycle methodologies, patterns, frameworks, libraries and tools