Must Haves
- Programming experience with at least one modern language such as Java, C++, or C# including object-oriented design
- 1+ years of experience contributing to the architecture and design (architecture, design patterns, reliability, and scaling) of new and current systems.
- 4+ years’ work experience in software development
- BS degree or higher in Computer Science, Engineering or related field
- Understanding of operating system fundamentals (Linux)
- Understanding of scalable computing systems, software architecture, data structures, and algorithms
- Knowledge of professional software engineering best practices for the full software development life cycle
- Strong verbal and written communication skills
- Strong analytical skills, with excellent problem solving abilities
- Working experience with Kubernetes
- Experienced working with distributed databases at scale
Good to haves
- Experience in developing software using AWS native services & technologies.
- Experience taking a lead role in building and operating scalable distributed systems
- Experience in Agile/SCRUM enterprise-scale software development
- Familiar with building secure software using modern security principles
- Demonstrated ability to achieve goals in a highly innovative and fast-paced environment
Why us
We're hiring a set of highly skilled, enthusiastic, and passionate people who thrive in a high-growth environment. We believe the best way to grow is to give everyone the opportunity to pursue their interests. At Lucidity, you have complete freedom to work on projects that interest you. Plus, with benefits like flexible hours, company offsites, unlimited leaves, we ensure you enjoy the journey as much as we do. We are also offering healthy founding team ESOP's.

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Preferred Qualifications
- Bachelor's degree in Engineering with specialization in Computer science or related field
- 4-10 years of experience as a software engineer in a product development setting
- Deep experience in Python with demonstrated ability to build modern products
- Experience in designing APIs and integration patterns, implementing secure and sustainable products with a focus on quality and scalability
- Experience in FastAPI, Django, or equivalent
- Experience in data modeling and efficient usage of PostgreSQL, MySQL, MongoDB, or equivalent
- Experience with modern components like async python, pedantic, sqlalchemy, alembic, celery, google products API integration, etc. is a plus
- Understanding of CI/CD practices including code check-in policies, automated unit tests, automated code deployments, etc.
- Experience in other programming languages is a plus, especially Javascript and/or Typescript
- Experience building feature-rich and scalable web apps is a plus
- Ability to grasp new technologies and use them effectively to create industrial-strength software
- Experience in API development using Java will be a plus.
- Excellent knowledge and experience in writing testable, scalable, flexible, robust and efficient web applications using JavaEE 6/7 technologies, specifically, Spring core, Spring Boot Spring Data, spring batch and JPA
- Experience in successfully deploying Java-based applications in production and understanding load-balancing, authentication, and fault tolerance through Tom Cat.
- Experience in database modeling (MySQL/NoSQL databases such as Mongo DB)
- Knowledge of integrating with Ant, Maven, GIT and Shell scripting.
- Strong backend experience to develop Data Layer using at least one of the ORM frameworks like Hibernate, JPA etc.
- Strong RDBMS Skills and SQL skills. Experience in MySQL, Teradata and warehousing databases.
-
Experience in Analytics frameworks and visualization products.
- Excellent knowledge and experience of Maven, Continuous Integration, and Continuous Delivery with Jenkins.
• Experience with JavaScript frameworks, especially Angular is a definite plus.
Java 8, J2EE , Spring Boot, Microservices, Apache Spark, DevOps, Advanced SQL, preferably with
expertise in Data engineering/Data analytics,
ELK(Elastic Search, Logstash , Kibana) stack, Teradata, any No SQL database, Hands on experience in
maintaining products on Cloud Technologies like PCF, Azure, Docker, Kubernetes, etc, NodeJS,
Angular 2x, GitLab with CI/CD, Hands on experience in Unix server, Shell scripting, Large data
processing, Performance tuning, Experience in working in various Test Automation frameworks like
Selenium, Test NG, Python, Cucumber, Karma, Karate/ Jasmine, etc
Experience in using Eclipse, Spring tool suite, Project building tools - Maven, Gradle, etc, JIRA for ALM.
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2.5 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large-scale social or location-based app.
Senior Software Engineer (Java)
We are looking for a Senior Software Engineer - Java
If you're a creative problem solver who is eager to develop amazing products and hungry for a new adventure, a word class workplace is waiting for you in the heart of Kolkata.
An exhaustive list of expectations :
✓ Design and implement cutting-edge applications
✓ Participate in code reviews and application debugging and diagnosis.
✓ Practice modern software development methodologies such as continuous delivery, and scrum.
✓ Collaborate with product managers and engineers to build scalable systems enabling innovative ordering experiences.
Requirements -
✓ Knowledge and 5+ years of experience in developing Java applications
✓ A completed technical degree in Computer Science or any related fields.
✓ Profound knowledge and working experience with Java Frameworks (Springboot) and SQL databases.
✓ Solid experience in the design and implementation of Restful APIs and design patterns.
✓ Strong knowledge in Core Java, REST , Spring Framework, Spring Boot Microservice , JPA (e.g. Hibernate, OpenJPA, etc.) , Docker, Jenkins, ELK Stack
✓ Experience working with NoSQL Technologies and interest in Elasticsearch, and Microservices architectures.
✓ Curiosity, out of box problem-solving abilities, and an eye for detail.
✓ Passion for clean code
What really makes us interested in you - You are self-motivated. You think like an entrepreneur, constantly innovating and driving positive change, but more importantly, you consistently deliver stupendous results.
Number of position – 3
Job Location – kolkata, Sector 5
Java
Mandatory:
- Strong expertize in Java/J2EE(4-7 years of experience)
- Strong expertize in Microservices, SpringBoot
- Java including multithreading and concurrency
Preferred skills :
- Experience in Virtualization, SDN, NFV, Yang, Netconf
- Good Knowledge on Networking
- Multithreading and concurrency
- Working knowledge of Node-Sync, callback hell and ways to control asynchronous behavior of Node functions.
- Strong command on ES6(EcmaScript) or Javascript and its concepts like prototypes, call back, closures etc
- Should have deep understanding of Native Node.js, Express.js, HAPI.js and middlewares.
- Candidates must have proper understanding and command on RESTful API development and consumptions.
- Candidates must know to use promises, async-await to control synchronization of business logic components.
- Candidates must have knowledge of JWT, oAuth and passport.js for user authentication.
- Candidates must have knowledge of GIT, Bit-bucket.
- Candidates must have knowledge of application deployment.
- Experience with NoSQL databases eg mongodb (preferred).

· 4+ years in a software engineering role
· You want to work in a highly collaborative environment: we believe a team can be stronger than its individual parts
· Are independent and curious
· Are comfortable owning features from design through delivery to production
· Have experience with one or more modern programming languages
· Are willing to dive into a large code base and contribute immediately
· Enjoy writing code that is understandable, maintainable, and testable
· Collaborative and Communicative - you love being part of a diverse team, building consensus, and establishing credibility.
You are a Class-A communicator: curious, thoughtful, clear, and (mostly) correct.
· BA/BS degree from top institution; MBA or CompSci degree preferred but not required.

- Relevant industry experience in developing performant and scalable backend systems using Node.js.
- Solid understanding of Core Computer Science, Systems Design and Data Structures & Algorithms.
- Knowledge and experience in the best practices of design and architecture.
- Experience in developing extensible and scalable solutions.
- Experience in implementing automatic assessments associated with the front-end layer, both integration and unit.
- A love for beautiful, clean and maintainable code.

Looking for a proficient Backend Engineer - JAVA for a leading E-Commerce Company.
- Proficient in Java, with a good knowledge of its ecosystems
- Great OO skills, including strong knowledge in design and architectural patterns
- Skill for writing reusable Java libraries
- Experience with Play Framework for Java
- Experience with JavaScript & frameworks like AngularJS
- Knowledge of concurrency patterns in Java
- Familiarity with concepts of MVC, JDBC, and RESTful
- Basic understanding of JVM, its limitations, weaknesses, and workarounds
- Implementing automated testing platforms and unit tests
- Working knowledge of NoSQL (preferably MongoDB)
- Proficient understanding of versioning tools, such as Git
- Desire to contribute to the wider technical community through collaboration
- Ability to quickly grasp any new technologies
- Strong communication and collaboration skills









