Senior Technology Lead (Full Stack - React-Native, MERN)

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.

Role & Responsibilities

We are currently seeking a Senior Engineer to join our Financial Services team, contributing to the design and development of scalable system.

The Ideal Candidate Will Be Able To-

• Take ownership of delivering performant, scalable and high quality cloud based software, both frontend and backend side.
• Mentor team members to develop in line with product requirements.
• Collaborate with Senior Architect for design and technology choices for product development roadmap.
• Do code reviews.

Ideal Candidate

• Strong Software Engineer fullstack profile using NodeJS / Python and React
• Mandatory (Experience) - Must have 6+ YOE in Software Development using Python OR NodeJS (For backend) & React (For frontend)
• Mandatory (Core Skills 1): Must have strong experience in working on Typescript
• Mandatory (Core Skills 2): Must have experience in message based systems like Kafka, RabbitMq, Redis
• Mandatory (Core Skills 3): Databases - PostgreSQL & NoSQL databases like MongoDB
• Mandatory (Company) - Product Companies Only
• Mandatory (Education) - B.Tech or Dual degree (Btech and Mtech or Integrated Msc/MS) from Tier 1 Engineering Institutes. Candidates from other institutions will not be considered unless they come from top-tier product companies
• Mandatory (Note) : This role is a hybrid role (2 days WFO)
• Preferred (Experience): Experience in Fin-Tech, Payment, POS and Retail products is highly preferred
• Preferred (Mentoring): Experience in mentoring, coaching the team.

Role Overview:

We are looking for a detail-oriented and experienced Full Stack Developer to join our growing team in India. This is a remote, full-time opportunity to work on high-impact

projects using modern web technologies. While specific project discovery is underway, we’re looking to onboard developers with a solid foundation across front-end and back-end technologies who are comfortable working in agile environments. You will be collaborating directly with a US-based client and must be available to work the UK shift.

Key Responsibilities:

·        Develop and maintain scalable and performant full-stack web applications

·        Collaborate with UI/UX designers and backend teams to implement responsive, user- friendly interfaces

·        Write unit tests using Jest and ensure code quality and reliability

·        Develop RESTful APIs using Node.js and NestJS framework

·        Utilize Docker Compose for local development and deployment

·        Manage and optimize MySQL databases, including views, stored procedures, and performance tuning

·        Implement access control mechanisms using identity providers like Okta or Auth0

·        Document APIs using tools like SwaggerUI and Postman

·        Participate in sprint planning, code reviews, and team stand-ups via JIRA and Confluence

·        Use Git for version control and manage merge requests and branches effectively

·        Integrate application loggers for monitoring and diagnostics

Must-Have Skills:

·        Proficiency in HTML, CSS, SASS/SCSS

·        Strong hands-on experience with Angular 18 or higher

·        Familiarity with Angular Material or similar UI component libraries

·        Experience with Node.js and NestJS 10+

·        Working knowledge of Docker Compose

·        Strong SQL skills and experience with MySQL

·        Understanding of authentication and authorization best practices with Okta, Auth0, etc.

·        Comfort using Postman, SwaggerUI, Git, and logging tools

·        Familiarity with agile development processes and using JIRA and Confluence

Nice to Have:

·        Experience with form builders like Formsite or FormSort

·        Knowledge of data encryption best practices

·        Prior experience in the public health or POSIT (Public Health Informatics) domain

Qualifications:

·        Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

·        3–6 years of experience in full-stack development

·        Strong communication skills and the ability to work independently in a remote team environment

Availability to work UK shift hours to ensure overlap with the US-based client

Equal Opportunity Statement:

BigRio is an equal-opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, national origin, sex, sexual orientation, gender identity, age, pregnancy, status as a qualified individual with disability, protected veteran status, or other protected characteristic as outlined by federal, state, or local laws. BigRio makes hiring decisions based solely on qualifications, merit, and business needs at the time. All qualified applicants will receive equal consideration for employment.

Very good knowledge of at least one front end technology like AngularJs, ReactJs, ViewJs

Very good experience in AJAX, Javascript, Jquery, HTML, CSS3, bootstrap.

Good experience working for APIs and web-services

Should have good experience working for GIT or Bitbucket

Excellent Communication

Able to communicate with International client directly

- Strong logic and analytical skills.

- 5+ Years of experience with PHP, React.js, Javascript, HTML5, CSS3.

- Database Experience - Postgres or other relational databases.

- Proficient understanding of code versioning tools, such as Git, bitbucket.

- Familiarity with Unix/Linux environments.

- Experience with modern dev stack (Docker, Kubernetes) as well as cloud hosting solutions would be an added advantage but not compulsory.

- Use SOAP and REST to implement API integrations

- Flexible to Learn new technologies!!

Must Good English communication

We're seeking an experienced Senior Tech Lead to oversee both frontend and backend teams for a production-ready enterprise project. You should possess strong managerial skills along with an entrepreneurial mindset. In this dynamic role, you'll collaborate with cross-functional teams to design, build, and deploy products aligned with our vision and strategy. Your leadership will be key in driving product success from conception to launch, ensuring they meet business objectives and user expectations.

Experience: 7+ Year

Working Time: 12.30 PM to 9.30 PM

Responsibilities:

• Lead and mentor developers: Provide guidance and support to ensure high-quality deliverables and drive engineering best practices. Experienced in leading development teams, fostering collaboration, and mentoring junior engineers for adherence to best practices.
• Collaborate with cross-functional teams: Define project requirements, timelines, and priorities, and coordinate product releases.
• Architect scalable solutions: Design systems for both frontend and backend that are maintainable using modern architecture patterns and RESTful API design principles.
• Project Management Skills: Proficient in Agile methodologies, managing timelines, and prioritizing tasks effectively to ensure project success.
• Define product features: Set sprint goals and translate user feedback into actionable enhancements.
• Problem-Solving Skills: Analytical problem-solver adept at addressing technical challenges and implementing practical solutions.
• Analyze data: Validate product goals and adapt strategies accordingly, and track project progress to ensure timely delivery of features.
• Test and accept product features: Ensure accurate implementation of product features based on user stories.

Requirements

• Bachelor's / Master’s degree in Computer Science or related field.
• Minimum of 3 years of experience in a leadership role.
• Nice to have: Experience in building a product from concept to launch.
• Excellent communication and interpersonal skills, with the ability to collaborate effectively across teams.
• Strong proficiency in NodeJS, RESTful APIs, Weaviate Vector Database, and graph databases.
• Proficient in NestJS with full lifecycle experience and expertise in MongoDB integration.
• Proficient in MongoDB, with expertise in NoSQL principles, instance management, data modeling, and efficient query optimization for cloud and on-premise environments.
• Strong proficiency in ReactJS, NextJS, MaterialUI, and React Query.
• Proficient in TypeScript development, skilled in building type-safe applications and leveraging TypeScript configurations for enhanced development efficiency.
• Proficient in AWS services, specializing in Lambda for serverless computing, API,Gateway for secure API management, and integration with IAM, S3, and CloudWatch.
• ​Knowledge of CI/CD principles and tools to automate the testing and deployment of applications.

Benefits

• Gain real-world experience in corporate functioning.
• Learn to collaborate with diverse teams and meet deadlines in a professional environment.
• Access various learning and development programs to explore your passion.
• Work in a fast-paced, rapidly expanding tech team undergoing a revamp, with exposure to advanced technology and tools relevant to your role