ASP.NET Senior Developer

Job Title : Full Stack TypeScript Developer (Web3)

Location : Remote

Experience Level : 3+ Years

Role Overview :

Join our innovative, funded Web3 startup as a Full Stack TypeScript Developer and play a key role in building a wallet-to-wallet audio calling platform. You’ll collaborate with cross-functional teams to deliver a seamless user experience by integrating real-time communication, blockchain payments, and advanced analytics into our platform.

Key Responsibilities:

Development & Blockchain Integration :

• Design and develop a responsive React + TypeScript frontend using Vite.
• Build a scalable TypeScript, Express.js backend to manage wallets and on-chain transactions.
• Integrate wallet connection frameworks like RainbowKit and Wagmi.
• Implement blockchain payment systems using Superfluid Finance and on-chain revenue sharing with 0xSplits.

Real-Time Communication :

• Develop and optimize real-time audio streaming for calls and Spaces using Jitsi or 100ms.
• Ensure low-latency performance, scalability, and smooth user interactions for high-concurrency scenarios.

Data Management & Analytics :

• Manage relational data with Drizzle ORM and Neon Postgres.
• Develop analytics features using The Graph or custom indexers to query blockchain data effectively.

Collaboration & Documentation :

• Collaborate closely with product, design, and blockchain teams to align on technical solutions and goals.
• Document APIs, workflows, and architectural decisions to ensure clarity and smooth handoffs.

Required Skills:

• Strong proficiency in React, TypeScript, and Express.js.
• Hands-on experience with blockchain tools such as ethers.js, Superfluid, 0xSplits, and The Graph.
• Familiarity with real-time audio communication systems like Jitsi or 100ms.
• Expertise in relational databases like Postgres and scalable storage solutions.
• Excellent debugging, optimization, and problem-solving skills.

Preferred Qualifications:

• Prior experience in Web3 or blockchain-based applications.
• Knowledge of decentralized systems and protocols.
• Understanding of agile development processes and CI/CD pipelines.
• Strong attention to detail with the ability to write clean, maintainable code.

What We Offer:

• A chance to work at the forefront of Web3 innovation.
• Fully remote, flexible work environment.
• Competitive salary and equity options.
• Opportunity to make a significant impact in a growing startup.

Responsibilities

Technical Development & Delivery

• Lead the development and release process for assigned products and platform components.
• Design, develop, and maintain secure, scalable, and high-performing applications using .NET Core / .NET 6+.
• Develop modern front-end interfaces using JavaScript frameworks (React / Next.js) or Blazor.NET / WPF.
• Collaborate with developers to integrate user-facing elements with server-side logic and APIs.
• Build and maintain RESTful APIs, microservices, and backend services.

Product & Cross-Functional Collaboration

• Work closely with Product, QA, and DevOps teams to deliver new features and enhancements.
• Participate in technical discussions and product planning, helping prioritize development tasks and improvements.
• Act as a technical subject matter expert for relevant product modules when needed.

Database & Platform Support

• Work with Cosmos DB and SQL-based databases to support application functionality.
• Collaborate with DBAs to design and maintain database schemas, queries, and stored procedures.
• Support UAT and production environments, troubleshooting technical issues and ensuring system reliability.

Quality, Security & Performance

• Work with Quality Assurance teams to ensure the delivery of high-quality and reliable software.
• Implement secure coding practices and support vulnerability assessments and security audits.
• Monitor and optimize application and API performance.
• Contribute to logging, monitoring, and alerting mechanisms to support system observability.

Mentorship & Team Development

• Mentor and support junior developers and new team members.
• Promote best practices in coding, testing, and documentation across the engineering team.
• Contribute to continuous improvement of development standards and engineering processes.

Absolute Must have’s (essential requirements)

• Strong expertise in C# and .NET Core / .NET 6+ development.
• Experience with at least one of the following front-end technologies:
• Blazor.NET or WPF
• JavaScript frameworks such as React or Next.js
• Strong understanding of object-oriented programming, design patterns, and domain-driven design.
• Experience with SQL Server / PostgreSQL and Entity Framework Core.
• Familiarity with tools such as Syncfusion, Datatables, and AutoMapper.
• Experience building and integrating RESTful APIs and microservices.
• Proficiency with Git and CI/CD pipelines.
• Exposure to cloud platforms such as Azure or AWS.
• Strong problem-solving, debugging, and analytical skills.

Good to have (preferred/optional  requirements)

• Experience working with modular application frameworks such as ABP.IO.
• Understanding of payment systems, financial platforms, or transaction processing systems.
• Experience working in Agile / Scrum environments.
• Familiarity with DevOps practices, Docker containers, and Kubernetes.

Designation : Java developer

Experience : 6yrs

Must have skills

6 to 8 years

Java, JEE, Spring Boot, Microservices, REST

Good knowledge of data structures and algorithm concepts

Skills

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Expertise in backend programming with Node.js and MongoDB.
• Experience with React.js and redux.
• Material UI and 3rd party libraries.
• Experience with clean code writing practices like avoiding callback hell like promises, async.
• Thorough understanding of Node.js and its core principles.
• Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of ECMAScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Familiarity with modern front-end builds pipelines and tools.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

Responsibilities:

• Build Node.js APIs using microservices.
• Rewriting backend code with microservices architecture & Unit tests.
• Developing new user-facing features using React.js.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.

Minimum of 7+ years of hands-on development experience in one or more of the following languages/frameworks: React/Angular, Node/Next.js,python/Django

● Hands-on development and deployment experience in AWS or Azure using serverless functions or EC2

● Experience with RESTful & GraphQL APIs

● Familiarity with microservices architectures

● Familiarity with dev tools such as Github, Jira, CFT, Terraform

● DB experience with relational or noSQL such as PostgreSQL, , MySQL, Redshift, MongoDB, Redis

● Familiarity with cloud-based logging, monitoring, and security tools

Skills:

• 8+ years of software development experience using traditional software development life cycle methodologies (covering requirements, design, development, testing and Implementation of n-tier architecture)
• Extensive experience with object-oriented software development methodologies and practices. Strong in following technologies
• OOAD/OOPS/UML, Design Patterns, MVC, Spring, Hibernate, Java, J2EE
• UI technologies AngularJS, HTML5, CSS3, java script library, Ajax and other UI frameworks
• Exposure to component model design, SOA, open sources framework/tools
• Web Services, JMS, XML, SQL& Oracle
• Must have exposed with Test Driven Development/Re-factoring ideas/ Domain driven design patterns/continuous integration/Build Automation / Data-Mapper framework/Mocks.

Good to Have: Microservices

Competencies:

• Experience in developing platforms or frameworks, components
• Excellent knowledge of the open source software/ tools/ technologies

We are looking to hire a Full-stack web developer who will be responsible for the creation and enhancement of web applications according to the company's specifications. As the role takes into consideration user experience and function, a certain level of both functional domain experience and computer programming is necessary.

To be successful in this position, you will be required to demonstrate a detailed knowledge of the industry's best practices in software development, development expertise in back-end technologies, and must have a professional track record of effective technical management, information analysis, and experience in latest web technologies.

You should have in-depth knowledge of object-oriented PHP programming, an understanding of MVC designs, and working knowledge of front-end technologies including HTML 5, JavaScript, and CSS3.

Responsibilities

13.Guide team members for design and implementation of tasks
14. Coordinate end-to-end implementation.

Requirements-

• 1 to 3 years of professional experience working with PHP, web frameworks including Laravel, CodeIgniter- Preferred.
• 1 to 3 years of professional software development experience-Preferred
• Meaningful experience working on large, complex system integrations
• Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.
• Previous experience creating scalable applications.
• Proficient with code versioning tools including Git, Mercurial, CVS, and SVN.
• Familiarity with SQL/NoSQL databases.
• Ability to manage projects.
• Good problem-solving skills
• Ability to take extreme ownership over your and teams work

You have:

• 4- 15  years of relevant experience in full stack development in a reputed B2B SAAS company, preferably contract lifecycle management company (e.g. Pandadoc, Ironclad, Docusign, Zoho, Cloudcherry, Spot Draft etc)
• Experience in the following tech stack: JavaScript, Typescript, Angular, Python, Django, REST API, MySQL, Google Cloud
• Solid understanding of RDBMS concepts and experience managing one database (MySQL, PostgresSQL, etc)
• Solid understanding of Google Cloud Platform (or AWS)
• Strong experience and/or expertise in building customized text editors
• Strong experience with Python data analysis libraries
• Experience and/or expertise in building No-Code platforms
• Experience leading a small team of engineers in an agile/scrum setup

Preferred additional qualifications:

• Experience in building integrations with third party tools.
• Automated testing and data quality assurance experience
• Experience in data analytics
• Experience in working with data scientist to build and/or deploy ML models to solve specific problems
• Experience in working with Microsoft Cloud Storage Partner Program (CSPP)
• Experience in a startup environment
• Experience in Blockchain and Web3 technologies