Sr. Full Stack Developer (React.js, Next.js & Node.js)
Senior Full Stack Developer – Job Description
Job Overview
Surety Seven Technologies Pvt Ltd is looking for an experienced and highly skilled Senior Full Stack Developer with strong expertise in Next.js, Node.js, and React.js. The ideal candidate will lead architecture decisions, build scalable applications, guide development teams, and drive technical excellence across projects.
This role requires strong ownership, leadership capability, and hands-on coding expertise in both frontend and backend technologies.
Key Responsibilities
- Lead the design and architecture of scalable full-stack applications
- Develop, maintain, and optimize web applications using Next.js, React.js, and Node.js
- Build robust RESTful APIs and backend services
- Ensure high performance, security, and responsiveness of applications
- Work closely with Product, Design, and QA teams to deliver high-quality features
- Conduct code reviews and maintain coding standards & best practices
- Mentor and guide junior and mid-level developers
- Manage CI/CD pipelines and deployment processes
- Troubleshoot complex production issues and provide solutions
- Contribute to technical documentation and system design discussions
Required Skills & Qualifications
- 5–8 years of experience in Full Stack Development
- Strong hands-on experience with Next.js, React.js, and Node.js
- Deep knowledge of JavaScript (ES6+), HTML5, CSS3
- Experience with MongoDB / MySQL / PostgreSQL
- Strong understanding of REST APIs, authentication (JWT/OAuth), and API security
- Experience with Git, CI/CD tools, and deployment on cloud platforms (AWS, Azure, or similar)
- Understanding of microservices architecture (preferred)
- Strong problem-solving and debugging skills
- Experience leading technical modules or teams

About Surety Seven Technologies
About
Surety Seven (007) is India's first Surety Bonds and insurance technology provider. Surety Seven (007) works with Insurance and Reinsurance companies to provide customized Surety Bonds technology solutions to companies.
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What you'll do :
- Work closely with product managers and engineers to design, implement, test, and continually improve scalable frontend and backend services.
- Develop products using agile methods and tools.
- Develop commercial-grade software that is user-friendly and suitable for a global audience.
- Plan, create, and execute (manual and automated) tests.
- Be involved and participate in the overall application lifecycle.
- Building reusable code and libraries for future use.
- Staying up to date with current technologies and providing insights on cutting-edge software approaches, architectures, and vendors.
- Ensure that non-functional requirements such as security, performance, maintainability, scalability, usability, and reliability are considered when architecting solutions.
Skills you bring to the table:
- 3+ years of relevant experience.
- Fluency in any one of JavaScript, TypeScript, or Python.
- Should have built large scalable enterprise applications from scratch.
- Strong experience in architectural patterns, High-level designs.
- Experience in NoSQL and SQL DBs.
- Have a knack for launching and iterating on products quickly with quality and efficiency.
- Strong problem-solving skills.
- Willingness to learn and ability to flourish in a dynamic, high-growth, entrepreneurial environment.
- Hands-on, self-starter, capable of working independently.
- True love for technology and what you do.
- Maniacal attention to detail.
Full stack software developer who enjoys solving complex problems
• Solid experience in.NET Core, SQL Server, and REACT (including REST)
• Experience in building cloud-native applications (Azure)
• Must be skilled at writing scalable, maintainable code
• Must have the ability to independently envision solutions and write clean code
• 5+ years of defining and implementing Application Architecture.
• Demonstrated experience with the .NET ecosystem (.NET Framework, ASP.NET, .NET Core)
• Demonstrated experience with front-end React, HTML and CSS Frameworks
• Experience building modern, scalable, reliable applications on the MS Azure cloud including services such as:
▪ App Services
▪ Azure Service Bus/ Event Hubs
▪ Azure API Management Service
▪ Azure Bot Service
▪ Azure Cognitive Services
▪ Function/Logic Apps
▪ Azure key vault & Azure Configuration Service
▪ CosmosDB
▪ Azure Search
▪ Azure Bot Framework
▪ Azure Cognitive Services
• Experience with highly available and large-scale cloud deployments.
• Extensive knowledge and experience with Enterprise Level architectural concepts and frameworks.
• Broad knowledge of Agile methodologies and best practices such as SCRUM, Kanban and Continuous Integration.

Project Overview
Join an exciting early-stage project developing "Fenrir Security" - an innovative autonomous security testing platform. We're building an Electron-based desktop application that leverages AI to automate security testing processes. This is a contract position with potential for long-term engagement as the product evolves.
Contract Details
- Duration: Initial 4-month contract with possibility of extension
- Work Arrangement: Remote with regular online collaboration
- Compensation: Competitive rates based on experience (₹80,000-₹1,50,000 monthly)
- Hours: Flexible, approximately 40 hours weekly
Role & Responsibilities
- Design and develop a cross-platform Electron application from scratch
- Implement both frontend UI components and backend functionality
- Create integration points for the autonomous testing engine
- Build secure communication protocols between application components
- Develop data visualization components for security testing results
- Implement application packaging and distribution mechanisms
- Work collaboratively with AI/ML specialist and security expert
- Deliver working application builds at regular milestones
- Participate in technical planning and architecture decisions
Skills & Experience
- 3+ years experience building production applications
- Strong proficiency with Electron framework development
- Expertise in JavaScript/TypeScript, HTML/CSS, and Node.js
- Experience with modern frontend frameworks (React preferred)
- Working knowledge of desktop application development challenges
- Familiarity with security tools and applications (preferred)
- Ability to work independently with minimal supervision
- Strong problem-solving abilities and communication skills
Why Join Us
- Work with cutting-edge technologies at the intersection of AI and cybersecurity
- Flexible working arrangements and competitive compensation
- Opportunity to shape a product from its foundation
- Potential for equity or profit-sharing in future funding rounds
- Build portfolio-worthy work in an innovative security product
Selection Process
- Initial screening call
- Technical assessment (paid task)
- Final interview with founder
Job Title: Senior Fullstack Engineer - Fintech
Location: Mumbai
Company: TIFIN Give
About Us:
TIFIN Give is an early growth-stage fintech company offering a modern, tech-driven Donor Advised Fund to empower charitable giving. We have a lean, hungry team building a feature-rich product and automated operations platform, through which we are servicing multiple enterprise clients. Our roadmap and deal pipeline is full to the bursting, and we’re looking for someone to join our team in this exciting stage. As we continue to scale, we’re looking for a Senior Fullstack Engineer to lead our engineering teams and drive the successful delivery of our ambitious product roadmap.
OUR VALUES: Go with your GUT
- Grow at the Edge: We strive for personal growth by stepping out of our comfort zones and finding our genius zones with self-awareness and integrity. No excuses.
- Understanding through Listening and Speaking the Truth: We value transparency, communicating with radical candor, authenticity, and precision to create shared understanding. We challenge, but once a decision is made, we commit fully.
- I Win for Teamwin: We work within our genius zones to succeed, taking full ownership of our work. We inspire each other with our energy and attitude, flying in formation to win together.
Role Overview:
Experienced Full Stack Developer with 8 years of hands-on expertise in designing, developing, and deploying web applications.
- Proficient in backend development using Python, with strong skills in frameworks such as Django and FastAPI.
- Skilled in frontend development using ReactJS, ensuring seamless user interfaces and responsive design.
- Skilled at SQL database management, with a focus on performance optimization and data integrity.
- Capable of contributing to system design and architecture discussions, ensuring scalability, reliability, and security.
- Strong communicator with a track record of collaborating effectively within cross-functional teams and delivering high-quality solutions.
- Open to transitioning into Data Engineering roles leveraging strong SQL skills and understanding of data pipelines.
- Good debugging skills.
Key Skills:
- Backend Development: Extensive experience in Python-based backend development with Django and FastAPI frameworks. Proficient in building RESTful APIs, handling authentication, authorization, and data validation.
- Frontend Development: Skilled in frontend technologies, particularly ReactJS, for creating dynamic and responsive user interfaces. Familiar with state management libraries like Redux and context API.
- Database Management: Strong command over SQL for designing schemas, writing complex queries, and optimizing database performance. Experience with ORM frameworks like Django ORM.
- System Design: Understanding of system design principles, including scalability, performance optimization, and microservices architecture. Ability to contribute to architectural decisions and technical design discussions.
- Data Engineering: Open to roles in Data Engineering, with skills in SQL, data pipelines, ETL processes, and data warehousing concepts.
- Communication: Effective communicator with experience in team collaboration, client interactions, and articulating technical concepts to non-technical stakeholders. Proven ability to work in Agile development environments.
Note: Completely IC Role and Hands-on coding is mandatory.
Additional Skills (Good to Have):
- Experience with Next.js for server-side rendering and building React applications.
- Familiarity with Snowflake / Redshift for cloud-based data warehousing and analytics.
- Knowledge of data manipulation and analysis tools such as Pandas and NumPy.
- Exposure to Salesforce platform APIs and extensions or similar CRM functionalities.
Technical Proficiency:
- Backend: Python, Django, FastAPI, Flask, RESTful APIs, GraphQL
- Frontend: JavaScript, ReactJS, Redux, HTML5, CSS3, Responsive Design
- Databases: PostgreSQL, MySQL, SQLite, MongoDB, ORM (Django ORM)
- Data Engineering: SQL, ETL Processes, Data Warehousing Concepts
- Tools & DevOps: Git, Docker, AWS (EC2, S3, RDS), CI/CD pipelines, Agile methodologies
Professional Experience:
- Developed and maintained scalable web applications using Django and FastAPI, ensuring high performance and reliability.
- Designed and implemented frontend components and user interfaces using ReactJS, enhancing user experience and interactivity.
- Optimized SQL queries and database schema design to improve application performance and data integrity.
- Collaborated with cross-functional teams in Agile environments to deliver features and meet project milestones.
- Open to transitioning into Data Engineering roles, leveraging SQL skills and understanding of data pipelines to contribute to data-driven solutions.
Compensation and Benefits Package:
- Competitive compensation with a discretionary annual bonus.
- Performance-linked variable compensation.
- Medical insurance.
Note on Location:
While we have team centers in Boulder, New York City, San Francisco, Charlotte, this role is based out of Mumbai
TIFIN is an equal-opportunity workplace, and we value diversity in our workforce. All qualified applicants will receive consideration for employment without regard to any discrimination.
We are seeking talented full stack engineers to join our team.
Your responsibilities as a principal full stack engineer will include:
- - Work with UX and Product Management teams to design software
- - Work with Architects and Engineering leads to build scalable software
- - Back-end software development
- - Proficient in low level system arch design
- - Strong knowledge of web development - MVC, React / Angular Framework
- - Take Product Ownership
- - Testing and fixing bugs
- - Create security and data protection settings
- - Build features with a mobile responsive design
- - Experience with Agile/Scrum methodology, Behavior Driven Development, and CI/CD
- - Ability to think critically and creatively in a dynamic environment, while picking up new tools and domain knowledge along the way
What we are looking for:
- - 3+ years of industry experience as a Backend/Full Stack Engineer
- - Degree in Computer Science or related field
- - Experience with developing web and mobile applications
- - Must have 2-5 years of experience building applications using front end technologies like – React, Angular 2+, JavaScript/Typescript, HTML5, CSS3 and Bootstrap
- - Must have 2-5 years of full time Python (Django) experience, and hands-on experience through all stages of Agile software development life cycle.
- - Ability to write optimized codes, debug programs, and integrate applications with third party tools by developing various APIs.
- - Proficiency with Python or relevant back-end scripting language
- - Proficiency with SQL/NoSQL databases, web servers (e.g. Nginx)
- - Experience with Cloud infrastructure (e.g. AWS), relevant microservices and load scaling
- - Maintains a strong knowledge base of new open source tech stacks, applications, techniques, and skills
- - A positive attitude, and a growth mindset
- - Great attention to details
Bonus:
- - Experience with serverless deployment (e.g. Lambda)
- - Experience with API testing software (e.g. Postman)
- - Experience with multiple front-end languages and libraries (e.g. HTML/CSS, JS)
- - Good Humor
Note- We are currently working from home due to the pandemic. If selected you may work from a remote location though once office reopens candidate must work from Office.
Experience: 2-4 Years
Salary: Negotiable as per your last CTC
Location: Technopolis IT Hub, Noida Sec -62
Job Description:
- Able to independently accomplish development tasks to get things done.
- Able to research and prototype using new technologies that could improve your teams skill.
- Provide support on troubleshooting production systems when issues are escalated with a commitment to excellent customer service.
- Revel in making end-users lives better with the software the team produces.
- Help deliver as a team, verifying that completed user stories meet business expectations and are backed by automated regression tests.
- Passionate about crafting elegant solutions to complex problems.
- Show high ownership and are self-driven.
Requirements:
- 2 to 4 years of experience in PHP and PHP frameworks.
- Good experience in Laravel / Magento
- Strong knowledge of Zend framework, Strong PHP 4 & 5, MySQL, AJAX, CSS, Smarty
- Experience in HTML, CSS, JQuery.
- Experience in designing and writing APIs.
- Experience in good design patterns, dependency injection and MOC frameworks.
- Experience in data modeling and database technologies such as MySQL, SQL Server, PostGres.
- Command over front end JavaScript frameworks.
- Experience working in an agile development environment.
- Experience in writing unit, automated and integration tests.
- Good knowledge of CMS and MVC concepts.
- Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
- Familiarity with JavaScript frameworks such as Angular JS, React.
- Proficiency with server side languages such as Python, Java, PHP and .Net.
- Familiarity with database technology such as MySQL, Oracle and MongoDB.
- Excellent verbal communication skills.







