Software Engineer III - FullStack

We are seeking a skilled and experienced MERN Stack Developer to join our development team. The ideal candidate will have in-depth knowledge of MongoDB, Express.js, React.js, and Node.js, along with a passion for building high-performance, scalable web applications.

Key Responsibilities:

• Develop, test, and deploy robust and scalable web applications using the MERN stack.
• Design and maintain RESTful APIs and integrate front-end with back-end logic.
• Work closely with UI/UX designers to implement design specifications.
• Optimize applications for maximum speed and scalability.
• Write clean, reusable, and well-documented code.
• Collaborate with cross-functional teams including designers, product managers, and other developers.
• Perform unit and integration testing.
• Stay up-to-date with emerging technologies and industry trends.

Required Skills & Qualifications:

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Hands-on experience with MongoDB, Express.js, React.js, and Node.js.
• Knowledge of modern front-end build pipelines and tools (Webpack, Babel, etc.).
• Experience with version control systems like Git.
• Good understanding of database design and management.
• Familiarity with Agile/Scrum methodologies.
• Excellent problem-solving and debugging skills.
• Strong communication and teamwork abilities.

Preferred Skills:

• Experience with Next.js or React Native is a plus.
• Knowledge of CI/CD pipelines.
• Understanding of cloud platforms like AWS, Azure, or GCP.

REVIEW CRITERIA:

MANDATORY:

• Strong Forward Deployed / Client-Facing Software Engineer / Integration / Product Support Engineer profiles
• 1–6 years of professional experience or strong internship/project work in software engineering.
• Strong proficiency in at least one programming language (Python / Java / JavaScript / TypeScript)
• Solid foundation in Data Structures, Algorithms, System Design, and ability to build production-grade solutions quickly
• Experience working on API integrations, backend services, data pipelines, or workflow-based systems
• Excellent analytical and problem-solving capability; ability to work directly with enterprise clients to diagnose and solve complex technical issues
• Strong communication skills and proven ability to collaborate with product, engineering, and customer teams
• Willingness to travel frequently to global client sites for deployments and solution delivery
• B.Tech / B.E. in Computer Science from Tier-1 institutes (IITs, BITS, NSIT, DAIICT, DTU, etc.)
• Product Company only

PREFERRED SKILLS:

• Exposure to cloud services, data integration, ETL/Reverse ETL, or workflow automation tools.
• Experience with React / frontend frameworks, low-code development, or building internal tools.
• Familiarity with AI/ML, GenAI tools, LLM-driven automation, or experience applying them to real use cases.

ROLE & RESPONSIBILITIES:

As a Forward Deployed Software Engineer (FDSE) at UnifyApps, you’ll work at the intersection of engineering, problem-solving, and customer impact. You’ll embed with enterprise clients, understand real-world problems, and design and implement solutions using the UnifyApps platform. This role is ideal for high-potential engineers from Tier-1 colleges who want to work on real enterprise-scale problems, gain full-stack exposure, and grow rapidly in a high-impact SaaS environment.

KEY RESPONSIBILITIES:

• Work with client and internal teams to understand complex business processes, legacy systems, and integration needs.
• Design, build, and deploy solutions using the UnifyApps platform across data, workflows, and GenAI/LLM use cases.
• Develop data pipelines, API integrations, and low-code apps to solve high-impact problems.
• Collaborate closely with UnifyApps’ product and engineering teams to shape platform capabilities through real deployments.
• Rapidly prototype, iterate, and deliver production-grade solutions with high ownership.
• Contribute to internal accelerators, templates, and best practices.

IDEAL CANDIDATE:

QUALIFICATIONS - REQUIRED:

• B.Tech / B.E. in Computer Science from Tier-1 institutes such as IITs, BITS, NSIT, DAIICT, DTU etc.
• 1–6 years of professional experience or strong internship/project work in software engineering.
• Proficiency in at least one programming language: Python, Java, JavaScript, or TypeScript.
• Strong foundation in data structures, algorithms, and system design.
• Excellent analytical and problem-solving skills.
• Strong communication and ability to work collaboratively.
• Willingness to travel frequently to client sites across the globe.

QUALIFICATIONS - PREFERRED:

• Exposure to data integration, APIs, cloud services, or workflow tools.
• Experience with React / frontend frameworks or low-code platforms.
• Familiarity with AI/ML concepts or GenAI tools.
• Prior internships in SaaS, enterprise tech, or consulting environments.

PERKS, BENEFITS AND WORK CULTURE:

• Competitive salary package.
• Opportunity to learn from and work with senior leadership & founders.
• Build solutions for large enterprises that move from concept to real-world impact.
• Exceptional career growth pathways in a highly innovative and rapidly scaling environment.

Role Overview

We are looking for a hands-on engineering leader who can own technical design and drive end-to-end development of scalable, high-quality systems. This role requires strong architectural depth, coding excellence, and the ability to mentor engineers while building production-grade applications in a fast-paced agile environment.

You will lead by example — designing systems, writing clean code, solving complex problems, and ensuring engineering best practices across the stack.

Key Responsibilities

• Lead technical design and architecture discussions (HLD & LLD).
• Build scalable, modular, and testable systems with strong engineering fundamentals.
• Own complex features end-to-end — design, development, testing, and optimization.
• Write high-quality, production-ready code with strong unit test coverage.
• Ensure clean code practices (SOLID principles, modular design, reusability).
• Drive engineering quality within CI/CD environments.
• Debug and resolve complex issues across distributed systems and APIs.
• Mentor engineers and elevate overall code quality standards.
• Collaborate effectively within agile teams and move with delivery velocity.

Core Technical Requirements

• 8+ years of hands-on software development experience.
• Strong proficiency in:
• Java
• Node.js
• Angular (6+)
• JavaScript / TypeScript
• SQL & MongoDB
• Deep understanding of system design, architecture patterns, and scalable application development.
• Strong debugging capabilities across:
• Distributed services
• API integrations
• UI state management
• Database query performance
• Experience working in CI/CD-driven engineering environments.

GenAI & AI Stack Expertise

• Hands-on experience with GenAI frameworks and LLM integrations.
• Familiarity with:
• LangChain ecosystem
• Hugging Face
• Prompt chaining & orchestration
• Understanding of AI cost optimization strategies.
• Ability to debug AI pipelines and optimize model interactions.

Engineering Expectations

• Strong ownership mindset.
• Ability to design independently and lead technical direction.
• Exceptional problem-solving and debugging skills.
• High attention to detail.
• Comfortable working in fast-paced agile/scrum setups.
• Strong communication and collaboration skills.
• Ability to mentor and guide other engineers.

Educational Qualification

• Bachelor’s degree in Computer Science / Engineering / related field
• or
• Master’s degree in Computer Science / Computer Applications

About Us

At Tequity, we specialize in end-to-end product development, delivering insightful research, user-centric design, and scalable engineering solutions. Our dedicated team of product managers, designers, and engineers work collaboratively to ensure your business achieves its goals.

Job Description

We are seeking a skilled and experienced MERN (MongoDB, Express.js, React, Node.js) Stack Developer to join our dynamic team. As a MERN Stack Developer, you will be responsible for designing, implementing, and maintaining full-stack applications. You will collaborate with cross-functional teams to deliver high-quality software solutions.

Roles and Responsibilities :

• Develop and maintain robust and scalable web applications using the MERN stack.
• Collaborate with front-end and back-end developers to define and implement innovative solutions.
• Deliver 3 major projects within the next 6 months, ensuring they are completed on schedule and under the allocated budget.
• Develop and implement a comprehensive training program that enables new hires to become fully productive within 3 months of their start date.
• Improve the development and testing strategy to achieve a 80% reduction in the number of bugs produced within the next 6 months.
• Design and implement RESTful APIs for seamless integration between front-end and back-end systems.
• Work closely with UI/UX designers to create responsive and visually appealing user interfaces.
• Set up Large Language Models (LLMs) as part of the development workflow, aiming to increase productivity per engineer by 20% in the next 6 months.​
• Troubleshoot, debug, and optimize code to ensure high performance and reliability.
• Implement security and data protection measures in line with industry best practices.
• Stay updated on emerging trends and technologies in web development.

Requirements

• Bachelor’s degree in Computer Science or a related field, or equivalent experience.
• Minimum of 5 years in software engineering roles with a track record of delivering projects successfully.
• Proven ability to lead teams and improve development processes.
• Demonstrated experience in spotting, training, and retaining junior engineers.
• Node.js, Reactjs and database proficiency: Deep understanding of Node.js, Reactjs and experience with SQL and NoSQL databases.
• Experience with software development methodologies and testing frameworks.
• Familiarity with Large Language Models (LLMs) and their application in software development.

Benefits

• Competitive salary and benefits.
• Opportunities for professional growth and development.
• A dynamic and inclusive work environment.

About Vyapar:

We are a technology and innovation company in the fintech space, delivering business accounting software to Micro, Small & Medium Enterprises (MSMEs). With more than 5 Million users across 140 countries, we are one of the fastest growing companies in this space. We take the complexity out of invoicing, inventory management & accounting, making it so simple, such that small businesses can spend less time on manual bookkeeping and spend more time focusing on areas of business that matter.

Role Summary:

Vyapar's Engineering team builds the technology platform that eases and digitizes our customers' bookkeeping and enables the transition of cumbersome accounting data from general bookkeeping to a digitized always available resource.

The Javascript engineer will be responsible for the developing features in Vyapar application. Strong understanding of HTML, CSS, JavaScript, Responsive design, JQuery, React, database etc. concepts is critical

Key Responsibilities:

• Translate designs and wireframes into high-quality code.
• Design, build and maintain high performance, reusable, and reliable code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Use of complex algorithm to build the business requirements.
• Help maintain code quality, organization, and automatization.
• Ability to understand business requirements and translate them into technical requirements

Desired Skills And Requirements

Must have

• Strong JavaScript
• HTML, CSS 
• React/Angular/JQuery/Vue
• Problem-solving skills, and Data Structures.
• Strong knowledge of SQL database or RDBMS.

Good to have

• Familiarity with RESTful APIs to connect applications to back-end services.
• Strong knowledge of Web UI design principles, patterns, and best practices.
• Experience with offline storage and performance tuning.
• Experience and understanding of database concepts and sql queries.
• Familiarity with cloud message APIs and push notifications.
• Familiarity with continuous integration.
• A knack for benchmarking and optimization.

Experience:

• Minimum 4 years of experience in JavaScript
• Minimum 3 years of experience in HTML, CSS
• Minimum 3 years of experience in SQL/ RDBMS.

Education:

• A full-time B.E/ B.Tech Degree from a recognized university.

Who Should apply?

Only for Serious job seekers

Technically Strong Candidates who are willing to take up challenging roles and want to raise their Career graph.

Why Think n Solutions Software?

Exposure to latest Technology. Opportunity working in different platforms Direct client interaction

Rapid Career Growth

Friendly Knowledge sharing Environment

• Must have experience in either of JavaScript frameworks: Angular  /ReactJS (Preferred)
• Must have experience in either of backend software development [J2EE, Spring Boot, Spring core, JPA] or Node.Js
• Must have experience in designing/implementing Hibernate/ORM, Restful web services, Micro Services using Java or Node Js
• Knowledge with relational/ NoSQL databases (e.g., Oracle, MySQL, MongoDB)
• Knowledge with versioning (Git or SVN) /build tools (Maven/Ant/Gradle/Junit), Unit testing & code coverage tools is desired
• Knowledge of App / Web servers (NGINX / Tomcat / Jboss Wildfly)
• Understands the process of new application development and has the ability to apply these concepts with minimal mentoring and supervision.
• Advanced knowledge experience using any of IDE (e.g., Eclipse, SonarQube, STS, VS Code)
• Knowledge on Cloud platform, technologies & deployments is an added advantage
• Resolves technical issues through debugging, research, and
• Must have experience with Agile tools

• Good knowledge in product development domains
• Knowledge in Finance and Insurance domain preferred
• Maintain quality and ensure responsiveness of
• Complete application development by coordinating requirements, schedules, and activities contributing to team meetings;
• Troubleshooting development and production problems across multiple environments and operating platforms.
• Collaborate with the rest of the engineering team to design and launch new features
• Understanding and implementation of security and data
• Ensure designs are in compliance with specifications and standards and best industry
• Usage of Process tools – JIRA, TFS, HP QC or any other agile tools, also knowledge of CMM Level 3 development process.
• Self-motivated & working independently with minimal
• Maintain code integrity and
• Experience working with graphic designers and converting designs to visual
• Follow the coding standards for java/node and angular

• Usage of troubleshooting tools like J Profiler, J Meter or application performance tuning
• Exposure to Non-web-based developments, for both mobile and
• Development experience using Docker, Kubernetes, Containerization etc in AWS or other cloud platforms
• Willing to take up proof of concepts and showcase the technical capability
• Usage of design tools Visio or draw io
• Usage of CI/CD pipeline