Principal Engineer

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.

• 5 to 8 years ‘Hands-on’ experience in Java/J2EE/Microservices development
• Hands on with CODING in both JAVA and Angular 2+
• Experience constructing custom Microservices applications using Java, SpringBoot, Spring Cloud and Spring Core.
• Experience in Spring boot 4 or more years.
• Last job to be completely hands on in Spring Boot and looking for hands on in Spring Boot the next role.
• Experience in writing unit test cases (JUnit)
• Well used to Agile (XP, Scrum, SAFe)
• REST Services (HTTP methods, CRUD, Status codes, Authentication, Authorisation)
• Angular 2+, HTML,CSS

mavQ is seeking a motivated Lead FullStack Developer to join our team. You will be an integral member of the Professional Services team dedicated to work on the recently acquired mavQ’s Electronic Research Administration products built on a REST based Java platform running in Tomcat. The work is about 70% implementation and new development and 30% maintenance.

Skills Required:

• At least 7 years of experience with Frontend and Backend Technologies.
• Experience in Java, Spring, API Integration, Angular, Frontend Development.
• Ability to work with caching systems such as Redis.
• Good understanding of cloud computing & Distributed systems.
• Experience in people management.
• Capability of working within a budget of hours and completing projects by a deadline to appropriate quality standards
• Communicate clearly and ask clarification questions, dig deeper.
• Ability to work from visual and functional specifications
• Work with a positive attitude even when circumstances may be unfavorable
• Understand RESTful APIs, MVC concepts, and how to effectively use SVC systems
• Ability to work effectively in a team of developers and representatives of other functional groups, such as design
• ​​Good Experience in CI/CD, Kubernetes, Test suits, Docker.
• Good Understanding of the Command line.
• Good with client Interaction.

Roles & Responsibilities:

• Effective Problem Solving Skills. Assist the team with debugging & guidance when needed.
• Responsible for managing a team of 8-10 developers.
• Lead the product’s technical domain with full authority.
• Assist the product & project management teams with setting timelines & priorities for feature development.
• Drive good coding standards & development practices in the team. 
• Own the code review process for the team & ensure high quality work.
• Assist with system & architecture design & research into new technologies.
• Be involved with client communications when needed from a product sales perspective. 

What we offer:

• Group Medical Insurance (Family Floater Plan - Self + Spouse + 2 Dependent Children)
• Sum Insured: INR 5,00,000/- 
• Maternity cover upto two children
• Inclusive of COVID-19 Coverage
• Cashless & Reimbursement facility
• Access to free online doctor consultation

• Personal Accident Policy (Disability Insurance) -

• Sum Insured: INR. 25,00,000/- Per Employee
• Accidental Death and Permanent Total Disability is covered up to 100% of Sum Insured
• Permanent Partial Disability is covered as per the scale of benefits decided by the Insurer
• Temporary Total Disability is covered

• An option of Paytm Food Wallet (up to Rs. 2500) as a tax saver  benefit
• Monthly Internet Reimbursement of upto Rs. 1,000 
• Opportunity to pursue Executive Programs/ courses at top universities globally
• Professional Development opportunities through various MTX sponsored certifications on multiple technology stacks including Salesforce, Google Cloud, Amazon & others

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What you need to have: