We have an opening for Sr Lead Software Engineer -Full / Mern Stack Developer.
Responsibilities :
- Responsible for writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Understanding of performance testing and optimization techniques
Requirements
- Should have the ability to translate Wireframes and PSD Designs into functional web apps using HTML5, React , Node.js, and Mongo.
- Binding of UI elements to JavaScript object models
- Creating RESTful services with Node.js
- Architect scalable web architectures
- Must have proven experience in front ( Rect.js)& back-end development (Node.js)
- Work in a cross-functional team to deliver a complete user experience
- Must know MongoDB, Express, Node.js, & React., Typescript, CSS, HTML, Bootstrap
- Create Unit and Integration tests to ensure the quality of code
- Be responsive to change requests and feature requests
- Write code that is cross-platform and cross-device compatible
- Must have the ability to wear many hats and learn new technologies quickly
- Candidate must have good Knowledge of Node Debugging
- Understanding & proficiency in REST APIs.
- Should know Git Repository and Jira.
- Integration of data storage solutions [RDBMS, NoSQL DB]
Qualifications
Having Expereince in MongoDB - Document DataBase,
Node.js —Express(.js) web framework -Backend
React(.js) — a client-side JavaScript framework along with Bootstrap , HTML5, CSS3 - Frontend
Education : B Tech , BCA or Equivalent
Relevant Experience : 3 to 9 years : Full Stack developer
Preferred Candidate : Immediate Joiner
Location: Kolkata only ( Onsite).

About DataSpace Security Pvt Ltd
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Job Details
- Job Title: Lead I - Software Engineering - Java, J2Ee, Spring
- Industry: Technology
- Domain - Information technology (IT)
- Experience Required: 6-12 years
- Employment Type: Full Time
- Job Location: Bangalore
- CTC Range: Best in Industry
Job Description:
Role Summary:
We are looking for an experienced Senior Java Developer with expertise in building robust, scalable web applications using Java/J2EE, Spring Boot, REST APIs, and modern microservices architectures. The ideal candidate will be skilled in both back-end and middleware technologies, with strong experience in cloud platforms (AWS), and capable of mentoring junior developers while contributing to high-impact enterprise projects.
The developer will be responsible for full-cycle application development: from interpreting specifications and writing clean, reusable code, to testing, integration, and deployment. You will also work closely with customers and project teams to understand requirements and deliver solutions that optimize cost, performance, and maintainability.
Key Responsibilities:
Application Development & Delivery
- Design, code, debug, test, and document Java-based web applications aligned with design specifications.
- Build scalable and secure microservices using Spring Boot and RESTful APIs.
- Optimize application performance, maintainability, and reusability by using proven design patterns.
- Handle complex data structures and develop multi-threaded, performance-optimized applications.
- Ensure code quality through TDD (JUnit) and best practices.
Cloud & DevOps
- Develop and deploy applications on AWS Cloud Services: EC2, S3, DynamoDB, SNS, SES, etc.
- Leverage containerization tools like Docker and orchestration using Kubernetes.
Integration & Configuration
- Integrate with various databases (PostgreSQL, MySQL, Oracle, NoSQL).
- Configure development environments and CI/CD pipelines as per project needs.
- Follow configuration management processes and ensure compliance.
Testing & Quality Assurance
- Review and create unit test cases, scenarios, and support UAT phases.
- Perform defect root cause analysis (RCA) and proactively implement quality improvements.
Documentation
- Create and review technical documents: HLD, LLD, SAD, user stories, design docs, test cases, and release notes.
- Contribute to project knowledge bases and code repositories.
Team & Project Management
- Mentor team members; conduct code and design reviews.
- Assist Project Manager in effort estimation, planning, and task allocation.
- Set and review FAST goals for yourself and your team; provide regular performance feedback.
Customer Interaction
- Engage with customers to clarify requirements and present technical solutions.
- Conduct product demos and design walkthroughs.
- Interface with customer architects for design finalization.
Key Skills & Tools:
Core Technologies:
- Java/J2EE, Spring Boot, REST APIs
- Object-Oriented Programming (OOP), Design Patterns, Domain-Driven Design (DDD)
- Multithreading, Data Structures, TDD using JUnit
Web & Data Technologies:
- JSON, XML, AJAX, Web Services
- Database Technologies: PostgreSQL, MySQL, Oracle, NoSQL (e.g., DynamoDB)
- Persistence Frameworks: Hibernate, JPA
Cloud & DevOps:
- AWS: S3, EC2, DynamoDB, SNS, SES
- Version Control & Containerization: GitHub, Docker, Kubernetes
Agile & Development Practices:
- Agile methodologies: Scrum or Kanban
- CI/CD concepts
- IDEs: Eclipse, IntelliJ, or equivalent
Expected Outcomes:
- Timely delivery of high-quality code and application components
- Improved performance, cost-efficiency, and maintainability of applications
- High customer satisfaction through accurate requirement translation and delivery
- Team productivity through effective mentoring and collaboration
- Minimal post-production defects and technical issues
Performance Indicators:
- Adherence to coding standards and engineering practices
- On-time project delivery and milestone completion
- Reduction in defect count and issue recurrence
- Knowledge contributions to project and organizational repositories
- Completion of mandatory compliance and technology/domain certifications
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
- Relevant certifications (e.g., AWS Certified Developer, Oracle Certified, Scrum Master)
Soft Skills:
- Strong analytical and problem-solving mindset
- Excellent communication and presentation skills
- Team leadership and mentorship abilities
- High accountability and ability to work under pressure
- Positive team dynamics and proactive collaboration
Skills
Java, J2Ee, Spring
Must-Haves
Java, J2Ee, Spring
Machine Learning + Aws+ (EKS OR ECS OR Kubernetes) + (Redshift AND Glue) + Sagemaker
NP: Immediate – 30 Days
Job Description – Fullstack Software Engineer (Java + JavaScript Framework) (3–5 Years Experience)
We are looking for a hands-on Fullstack Software Engineer (3–5 years experience) who can develop, maintain, and enhance both backend services and frontend applications in a cloud-native, microservices-based environment using Java (Spring Boot) and a modern JavaScript framework (Vue.js, React.js, or Angular). The role requires strong programming fundamentals, experience with modern frameworks, and the ability to work independently on assigned tasks within an agile product engineering setup.
1. Core Technical Skills (Must-Have)
A. Backend Development (Java)
• 3–5 years of hands-on experience in Java backend development
• Proficient in: o Java 8+ (Java 17 or Java 21 preferred)
o Spring Boot framework o REST API development o Spring Data JPA / Hibernate
B. Frontend Development (JavaScript)
• Strong experience in JavaScript (ES6+)
• Proficient in: o Vue.js or React.js or Angular o HTML5, CSS3, responsive design principles
C. Component-Based Architecture
• Building reusable, modular components
• Props, events, lifecycle hooks
• Routing and navigation
• State management (Pinia, Redux, NgRx, or equivalent)
D. API Integration
• Building and consuming RESTful microservices
• Handling asynchronous calls with Axios or Fetch
• Error handling and loading states
E. Build Tools & Packaging
• Experience with: o Vite or Webpack o NPM/Yarn o Gradle
• Basic understanding of bundling, code splitting, and performance optimization
F. Cloud & DevOps Awareness
• Basic deployment and debugging on any cloud platform (AWS/Azure/GCP)
• CI/CD tools such as GitHub Actions, GitLab CI, or Jenkins
• Basic Docker usage (build, run, logs)
G. Databases & Storage
• Strong experience with relational databases: PostgreSQL or MySQL
• Good understanding of: o Writing SQL queries o Index usage o Joins, transactions
• Exposure to Redis or NoSQL DBs is a plus
2. Engineering Best Practices (Mandatory)
• Write clean, maintainable, well-structured code Internal
• Use OOP and SOLID principles
• Mandatory experience with: o JUnit / Mockito for backend unit testing o Jest (or equivalent) for frontend unit testing o Code reviews (as reviewer and reviewee) o Git workflows
• Understanding of: o Logging and monitoring basics o Error handling & exception design o API security basics (JWT/OAuth2 awareness) o Frontend security (XSS prevention, CSRF awareness)
3. UI/UX Awareness
• Ability to implement pixel-perfect designs from Figma or similar tools
• Understanding of responsive layouts and cross-browser compatibility
• Basic knowledge of usability principles
4. Performance, Reliability & Security
Performance
• Backend: DB queries, caching, pagination
• Frontend: DOM rendering, state updates, lazy loading
• Familiarity with browser performance tools Security
• Secure coding practices: o Input sanitization Internal o Avoiding SQL injection o Secure API communication o Preventing XSS and CSRF vulnerabilities
5. Domain Knowledge (Not Required, but Good to Have)
• Supply Chain Management
• Logistics
• Inventory or warehouse systems If the domain is unfamiliar, the engineer must be able to learn quickly with guidance.
6. Soft Skills & Collaboration
Expectations
• Clear communication and ability to explain technical decisions
• Ability to estimate tasks and deliver within timelines
• Proactiveness in asking questions when needed
• Ability to work in Agile teams (Scrum/Kanban)
• Regular participation in: o Grooming o Stand-ups o Sprint reviews o Retrospectives
7. Expected Deliverables
1. Backend APIs built using Java & Spring Boot
2. Frontend components and pages built using Vue.js, React.js, or Angular
3. Code adhering to project standards & guidelines
4. Unit tests for all major components (frontend & backend)
5. Bug fixes, enhancements, and production support as needed
6. Accurate status updates and timely delivery in sprints
7. Clear documentation for services, APIs, and UI components
8. Experience Requirement
• Overall Experience: 3–5 years
• Should have worked as: o Fullstack Engineer o Java Developer + Frontend Developer o Software Engineer (Fullstack)
9. Good-to-Have Certifications (Not mandatory)
• Oracle Java Certification
• Vue.js / React.js / Angular Certification
• JavaScript Specialist Certification
• AWS Cloud Practitioner
About the Company:
Pace Wisdom Solutions is a deep-tech Product engineering and consulting firm. We have offices in San Francisco, Bengaluru, and Singapore. We specialize in designing and developing bespoke software solutions that cater to solving niche business problems.
We engage with our clients at various stages:
• Right from the idea stage to scope out business requirements.
• Design & architect the right solution and define tangible milestones.
• Setup dedicated and on-demand tech teams for agile delivery.
• Take accountability for successful deployments to ensure efficient go-to-market Implementations.
Pace Wisdom has been working with Fortune 500 Enterprises and growth-stage startups/SMEs since 2012. We also work as an extended Tech team and at times we have played the role of a Virtual CTO too. We believe in building lasting relationships and providing value-add every time and going beyond business.
As a Junior Full Stack Developer, you will have the opportunity to work with a dynamic team and contribute to the development of our cutting-edge products. This is an excellent opportunity for motivated individual to enhance their skills and gain valuable experience in Java and React.js development.
Responsibilities:
1. Full Stack Development: Collaborate with senior developers and project teams to design, develop, and maintain web applications using Java and React.js.
2. Front-End Development: Implement user interfaces and create interactive web pages using HTML, CSS, and JavaScript frameworks like React.js.
3. Back-End Development: Design and develop server-side logic using Java, including building RESTful APIs, integrating with databases, and implementing business logic.
4. Database Management: Work with databases (e.g., MySQL, PostgreSQL) to design schemas, write queries, and optimize database performance.
5. Bug Fixing and Troubleshooting: Identify and resolve technical issues and bugs, ensuring the stability and functionality of the web applications.
6. Code Reviews: Participate in code reviews to maintain code quality, identify potential improvements, and ensure adherence to best practices and coding standards.
7. Learning and Growth: Stay updated with the latest industry trends, tools, and technologies, and continuously enhance your skills as a Full Stack Developer.
Qualifications:
1. Education: Bachelor's degree in Computer Science, Software Engineering, or a related field. Relevant work experience and projects will be considered.
2. Programming Skills:
● Strong knowledge of Java programming language and its core concepts.
● Familiarity with front-end development using React.js or similar JavaScript frameworks.
● Experience with HTML, CSS, and JavaScript.
3. Database Knowledge: Understanding of database concepts and experience working with SQL databases.
4. Web Technologies: Understanding of web development principles, RESTful APIs, and HTTP protocols.
5. Problem-Solving: Strong problem-solving skills and the ability to analyze and debug issues effectively.
6. Team Player: Demonstrated ability to work collaboratively in a team environment, share ideas, and contribute to the overall success of the project.
7. Self-Motivated: Proactive and eager to learn new technologies and tools independently.
8. Communication: Effective verbal and written communication skills to collaborate with team members and stakeholders.
9. Attention to Detail: Meticulous attention to detail and the ability to write clean, efficient, and maintainable code.
10. Enthusiasm: Passion for software development and a drive to build high-quality applications.
The candidate must have :
1. Excellent problem solving and logical skills.
2. Highly proficient with Node JS and JavaScript design patterns.
3. Developing RESTful APIs that read and write JSON.
4. Experience with databases like MongoDB, Redis or any NoSQL databases.
5. Proficient understanding of code versioning tools, such as Git.
6. Experience with AWS, Elastic Search would be an added advantage.
7. Ability to plan, execute projects to deliver in time and with quality.
8. Highly motivated Individual to learn and to mentor project members.
9. Excellent Communication and collaboration skills.
2) Must have good analytical and problem solving skills.
3) Good Knowledge of OOPS, PHP, MVC frameworks, NodeJs, Frontend Framework: ReactJs/AngularJS, GIT, MySql, NoSql/MongoDb, CSS, AJAX, HTML5.
4) Write error free code and follow coding standards. Able to perform Code Review job.
5) Work closely with QA person to assist in the testing process.
6) Perform R&D tasks if assigned and communicate with the Designer and UI team.
6) Build reusable code and libraries for future use.
7) Able to work closely with the team and meet the tight deadlines where necessary.
8) Strong Communication Skills.
- 12 to 16 years of experience in enterprise level software architecture, design, development (architecture, design patterns, reliability and scaling) of new and current systems
- Experienced in Full Stack product development
- Bachelor’s Degree in computer science or a related field
- Computer Science fundamentals in data structures, algorithm design and problem solving.
- Extensive knowledge and deep understanding of Java and related technologies
- Experience with modern software development methodologies: Agile/Kanban, CI/CD, DevOps, etc.
- Proficiency in Full Stack product development
- Proficiency with Java is essential.
- Proficiency with React, TypeScript, JavaScript, HTML CSS is essential
- Proficient with REST APIs
- Proficient with product development experience on both front end and back end
- Experience with AWS and/or other public cloud technologies.
- Database Experience (query optimization, index generation, caching) or NoSQL DBs a plus
Preferred Qualifications:
We are looking for a smart, passionate hands-on engineer to join our team. In this role, you will be responsible to drive innovation in the full-stack development of complex web applications, while improving performance, scalability, and maintainability.
You should:
– Be familiar with different PHP CMS (WordPress, Drupal, Joomla) and frameworks.
– Have thorough knowledge of JavaScript, AJAX, jQuery, HTML5, CSS3, Bootstrap.
– Have experience in MySQL, MariaDB databases.
– Have experience working with outside data sources and API’s.
– Possess the ability to learn new open source packages.
– Be able to unit test the code components; Document the code and the functionality.
– Be a good and quick learner, and open to learn new technologies in PHP.
– Have Good Communication skills.
Things you’ll do:
– Deliver stable and scalable solutions in PHP, HTML, and JavaScript
– Update existing components to support changing needs.
– Improve the internal team culture of high-quality software development.
– Cooperate with team members on maintaining existing solutions beyond means of
code development.
– Work on bug fixing and improving application performance.
What we offer:
– Various challenges ranging from scratch design/architecture to end-user experienced performance.
– Flexible working process, openness to suggestions and a fresh point of view.
– Room for self-improvement and knowledge exchange within the team.
– Close cooperation with Customer Experience Team providing actual feedback on end-user experience.
– Transparent cooperation with business stakeholders.
Designation - SDE II / III (3D team)
About Livspace
Livspace is India’s trusted interior design and renovation platform that connects interior designers, homeowners and vendors. For homeowners, Livspace is their one-stop destination for all things interiors. For interior designers and vendors, we’ve streamlined their workflow from design all the way to delivery through powerful and innovative technology.
We’re currently in nine Indian metro areas. We’ve made over 20,000 customers happy by delivering their dream homes to them. With over 3,500 interior designers on board, we’re the largest design community India has seen. We employ over 2000 passionate individuals who continue to grow and be a part of this exciting journey.
If you value autonomy, enjoy challenges, believe in getting things done and can work with minimal supervision, come join us.
Skills required (Must haves):
- Should have worked on Javascript for minimum 2 years. Frontend(Preferred) / Backend
- Should have knowledge of Web development
- Should have good logical thinking and able to code using best practices
- Should have knowledge of Angular JS or any MVC framework
Good to Have (Plus Points):
- Some knowledge of Python/java
- Some knowledge on Database (MySQL)
- Some knowledge of Three.js & 3D rendering tools in web-like blender, 3dsmax etc.
- Some knowledge of Geometry/mathematics knowledge
- Some functional knowledge of CSS Styling, though we are not looking for UI developer
What you will be working on:
- Active development of web based 3D Design tool which is used be interior designers to create awesome designs
- Creation of builder tool which helps in creating dynamic products (variable dimensions and finished) run time
- Development of rule engine which take care of ever growing product & design rules






