Full Stack Developer (MERN Stack)

Job Title: Senior Java Full Stack Developer

Locations: Delhi NCR, Hyderabad, Chennai, Pune, Bangalore Experience: 6–13 Years

Employment Type: Full-Time

"Need Immediate joiners or serving notice period candidates only can join in a maximum of 30 days"

About the Role

We are looking for an experienced and highly skilled Java Full Stack Developer with strong backend expertise in Java and hands-on experience in ReactJS for front-end development. The ideal candidate will drive the design, development, and implementation of high-performance, scalable applications that meet business goals.

Key Responsibilities

Backend Development (Approx. 80%)

• Design, develop, and maintain robust and scalable backend services using Java, Spring Boot, and related frameworks.
• Build and optimize RESTful APIs and microservices.
• Collaborate with cross-functional teams to define backend architecture and ensure high availability and performance.
• Troubleshoot complex issues, debug code, and improve overall system reliability.
• Participate in code reviews, design discussions, and technical decision-making.

Frontend Development (Approx. 20%)

• Develop responsive user interfaces and reusable ReactJS components.
• Integrate frontend components with backend services and APIs.
• Ensure high performance, cross-browser compatibility, and seamless user experience.

General

• Work in an Agile/Scrum environment and deliver high-quality software on schedule.
• Maintain robust documentation and follow SDLC best practices.
• Mentor junior developers and contribute to team growth.

Required Skills & Qualifications

• 6–13 years of professional experience in software development, with a strong focus on backend systems.
• Advanced proficiency in Java, Spring Boot, and related server-side technologies.
• Hands-on experience with ReactJS and modern JavaScript.
• Solid understanding of REST APIs, microservices architecture, and web services.
• Strong database skills (SQL and/or NoSQL) and familiarity with schema design.
• Experience with version control (e.g., Git) and CI/CD practices.
• Excellent problem-solving, debugging, and communication skills.

Preferred Skills (Bonus)

• Experience with containerization and orchestration (Docker, Kubernetes).
• Exposure to cloud platforms (AWS, Azure, GCP).
• Knowledge of message queuing (Kafka, RabbitMQ).
• Familiarity with automated testing frameworks and best practices.

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, IT, or a related field (or equivalent practical experience)

Design and develop scalable web applications using MEAN/MERN stack.

Build & optimize AI/LLM workflows using LangChain or LangGraph.

Implement vector storage & semantic search using FAISS / Pinecone / Chroma / Milvus.

Build APIs, microservices, and integration layers.

Optimize application performance and ensure code quality.

Collaborate with cross-functional teams (product, design, backend, DevOps).

Must-Have Skills

• Strong experience in Node.js, Express.js, MongoDB, and Angular/React.
• Hands-on experience in LLM apps, RAG pipelines, Vector Databases.
• Practical knowledge of LangChain / LangGraph.
• Experience with REST APIs, authentication, and integrations.
• Solid understanding of Git, CI/CD, and cloud platforms (AWS/Azure/GCP).

About Solveasy

Headquartered in Delhi, and coming from a legal background, Solveasy is an end-to-end digital debt collection agency with a platform for debt resolution, collections, and recovery. We create custom debt collection software, including account receivable management, credit and risk management, analytics, and reporting. Solveasy also develops workflow automation solutions with integrated payment processing. Our platform will adapt to consumer behavior with personalized and empathetic communications to deliver the right payment option at the right time and channel. We aim to work with top financial institutions, enterprise companies, and upcoming businesses to recover billions in lost revenue

Responsibilities

• Own end-to-end product features from ideation, automated testing, and implementation to deployment and monitoring.
• Embrace "You build it, You run it" with ownership of the entire infrastructure across multiple deployment environments.
• Continuously learn new domain and technical concepts to maintain a deep understanding of the product strategy and system architecture.
• Leverage diverse partners in a multi-cloud ecosystem to maximize productivity and empower businesses to focus on building our core intellectual property.
• Improve our code standards, maintainability, developer experience, data privacy, security, scalability, resilience and fault tolerance.
• To work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works in the backend.
• Implement entirely new tools and applications using a modern technology stack.
• Work closely with TPM and our clients to collaborate on requirements.

Skills Needed

• Experience with JavaScript frameworks is required.
• Proficient understanding of web markup, including HTML5, CSS3
• Basic understanding of server-side CSS pre-processing platforms such as LESS and SASS
• Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery
• Good understanding of (Depending on the specific case, a developer should have the knowledge of advanced JavaScript libraries and frameworks, such as AngularJS, KnockoutJS, BackboneJS, ReactJS, DurandalJS etc.)
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments to an image. Familiarity with tools such as Gimp or Photoshop is a plus.
• Proficient understanding of cross-browser compatibility issues and ways to work around them.
• Proficient understanding of code versioning tools, such as (Git / Mercurial / SVN)
• Good understanding of SEO principles and ensuring that application will adhere to them.

Type of opportunity: Fulltime; candidate may be required to relocate onsite to Delhi NCR

Post Qualification Experience: Freshers are eligible to apply so long as they have the required skills and project work experience.

Full Stack Developer

Born at MIT, GeniusMesh is an executive networking, career coaching and recruitment platform. We are building our offshore team to support our growth. 

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team responsible for the full software development life cycle, from conception to deployment.

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. You must be familiar with agile methodologies

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve SaaS offerings

• Proven experience as a Full Stack Developer
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• Willing to learn new tools and technologies
• An analytical and entrepreneurial mindset
• Degree in Computer Science, Statistics or relevant field
• Willing to work in a fast paced innovative environment

We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.

To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.

Node.js Developer Responsibilities:

• Developing and maintaining all server-side network components.

• Ensuring optimal performance of the central database and responsiveness to front-end requests.

• Collaborating with front-end developers on the integration of elements.

• Designing customer-facing UI and back-end services for various business processes.

• Developing high-performance applications by writing testable, reusable, and efficient code.

• Implementing effective security protocols, data protection measures, and storage solutions.

• Running diagnostic tests, repairing defects, and providing technical support.

• Documenting Node.js processes, including database schemas, as well as preparing reports.

• Recommending and implementing improvements to processes and technologies.

Node.js Developer Requirements:

• Bachelor's degree in computer science, information science, or similar.

• At least 4+ yrs experience as a Node.js developer.

• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.

• Experience collaborating in an agile environment alongside designers, analysts, and product owners.

• Experience designing and documenting APIs (we use Node.js, Express, OpenAPI Spec)

• Experience in building scalable production services and monitoring performance (we use Kibana, New Relic)

• Knowledge of front-end technologies such as HTML5 and CSS3.

• Superb interpersonal, communication, and collaboration skills.

• Exceptional analytical and problem-solving aptitude.

• Great organizational and time management skills.

• Availability to resolve urgent web application issues outside of business hours.

• Bachelor's degree in Computer Science (or related field)
• 5+ years of relevant work experience
• Expertise in React.js, React-native, Python, Android & Database
• Experience with Agile or Scrum software development methodologies
• Ability to multi-task, organize, and prioritize work

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software

Relevant Experience: 2-6 yrs

• Hands on Experience and manage Node js, Mongo DB, Angular and Express js.
• Architect, Develop, test and deploy robust products that are fast, scalable and highly responsive
• Design and maintain large and complex databases, both relational and non-relational databases.
• Establish, refine and integrate development environment tools and software as needed
• Deploy applications on AWS cloud with ability to quickly debug hosting related issues.
• Expertise in Complete Mean, Node js, Mongo DB, Angular and Express js
• Strong analytical and problem solving skills