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Java Developer Job Responsibilities
A developer is responsible for several Java-related duties throughout the software development lifecycle, from concept and design to testing. The developer is required to create user information solutions through the development, implementation, and maintenance of Java-based components and interfaces.
About the Role:
We are seeking a skilled and driven Backend Developer to join our team. The ideal candidate will have experience in database design (RDBMS and NoSQL), REST API and GraphQL development, cloud services, and programming with a strong foundation in Node.js and TypeScript. You’ll be responsible for designing and implementing scalable backend solutions, ensuring high performance, security, and reliability.
If you’re passionate about backend development, learning new technologies, and building modern applications, this is the role for you.
Key Responsibilities:
Backend Development:
Develop and maintain robust, scalable backend services using Node.js with TypeScript (strict mode).
Build APIs with REST and GraphQL, ensuring high security and performance.
Implement various authentication mechanisms such as OAuth2.0, SAML, JWT, MFA, and optionally, passkeys.
Database Design:
Design and optimize schemas for both relational (PostgreSQL, YSQL) and NoSQL (DynamoDB, MongoDB) databases.
Develop efficient data models for large-scale applications.
Cloud Services & Serverless Architecture:
Work extensively with AWS Cloud services, and optionally Azure and GCP.
Design and implement serverless architectures and event-driven systems using frameworks like AWS Lambda or equivalent on Azure/GCP.
Configure and manage webhooks for event notifications and integrations.
Programming Principles:
Apply design patterns, SOLID principles, and functional programming practices.
Showcase eagerness to learn new programming languages and paradigms.
DevOps & Deployment:
Utilize Docker and Kubernetes (K8s) for containerization and orchestration.
Collaborate with DevOps teams for CI/CD pipelines and scalable deployments.
Tools & Utilities:
Use Postman, Swagger, and cURL for API testing and documentation.
Demonstrate strong knowledge of Unix commands for troubleshooting and development.
Version Control:
Work collaboratively using Git for versioning and code management.
Key Skills & Qualifications:
Must-Have:
Proficiency in Node.js with TypeScript (strict mode).
Experience with the NestJS framework.
Expertise in RDBMS and NoSQL database design and optimization.
Hands-on experience with REST API and GraphQL development.
Familiarity with authentication protocols such as OAuth2.0, SAML, JWT, and MFA.
Strong understanding of AWS Cloud Services and Serverless Architecture.
Nice-to-Have:
Exposure to Azure and GCP serverless frameworks.
Knowledge of webhooks for event handling.
Experience with passkeys as an authentication option.
Soft Skills:
Problem-solving mindset with a passion for tackling complex challenges.
Ability to learn and adapt to new tools, frameworks, and programming languages.
Collaborative attitude and strong communication skills.
What We Offer:
Competitive compensation and benefits package.
Opportunity to work with modern technologies in a fast-paced environment.
A culture of learning, growth, and collaboration.
Exposure to large-scale systems and exciting technical challenges.
Sr. Software Developer ( 4years – 5years)
Required:
- Extensive experience in Ruby on Rails (4-5)years, software designing and architecture.
- Experience in microservice architecture (2-3)years
- Experience in Elastic Search/Redis/Sidekiq
- Experience in writing Rspec Test cases
- Experience in cloud services such as AWS
- Experience in Postgres/Mysql, Database Modelling
- Excellent problem solving capabilities
Good To have:
- Experience in design pattern
- Experience in managing teams
Skills:
- Proficient in Go programming language with experience in building high-performance, scalable applications
- Experience with Java development a plus
- Familiarity with Git version control systems (e.g., GitHub, GitLab, BitBucket, SVN)
- Solid understanding of RESTful web services APIs
- Experience with CI/CD tools like Jenkins
- Experience with NoSQL databases
- Experience working with PostgreSQL databases
Responsibilities:
- Design, develop, and maintain robust and efficient Go code
- Collaborate with cross-functional teams to design, implement, and deploy new features
- Participate in code reviews and ensure high code quality
- Troubleshoot and debug complex technical problems
- Stay up-to-date with the latest advancements in Go and related technologies
Required skills:-
2+ years of experience in the Development of JAVA technology.
Strong Java Basics
SpringBoot or Spring MVC
Hands-on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
Proficient in REST API development
Messaging Queue (RabitMQ or Kafka)
Microservices
Any Caching Mechanism
Good at problem-solving
Good to Have Skills:
2+ years of experience in using Java/J2EE tech stacks
Good understanding of data structures and algorithms.
Excellent analytical and problem solving skills.
Ability to work in a fast-paced internet start-up environment.
Experience in technical mentorship/coaching is highly desirable.
Understanding of AI/ML algorithms is a plus.
Job Summary:
We are looking for a skilled and experienced Java Developer to join our team. As a Java Developer, you will be responsible for developing and maintaining our applications using Java, Spring framework, and other related technologies. The ideal candidate should have a strong understanding of object-oriented programming principles, as well as experience with a variety of technologies such as SQL, NoSQL, and cloud computing.
Responsibilities:
- Design, develop, and maintain our applications using Java, Spring framework, and other related technologies
- Write clean, efficient, and optimized code for applications
- Collaborate with cross-functional teams to understand user requirements and deliver high-quality solutions
- Develop and maintain backend systems using Spring framework
- Work with databases, including SQL and NoSQL
- Ensure code quality and maintain documentation
- Troubleshoot and debug applications
- Stay updated with emerging trends and technologies in Java development
- Work with other teams to deploy and maintain applications
Requirements:
- 3-7 years of experience in Java development
- Strong understanding of object-oriented programming principles
- Experience with Java, Spring framework, and related technologies
- Familiarity with databases, including SQL and NoSQL
- Knowledge of cloud computing is a plus
- Excellent problem-solving and debugging skills
- Strong communication and collaboration skills
- Ability to work independently and as part of a team
- Bachelor's degree in computer science or a related field
Key Skills:
- Strong proficiency in Java programming language
- Experience with Spring framework, including Spring Boot and Spring MVC
- Familiarity with cloud platforms such as AWS, GCP, and Azure
- Experience building RESTful APIs
- Knowledge of microservices architecture
- Familiarity with SQL and relational databases such as MySQL and Postgres
- Familiarity with NoSQL databases such as MongoDB and Redis
- Experience with messaging systems such as Kafka and RabbitMQ
- Experience with containerization tools such as Docker and Kubernetes
- Understanding of software development principles and experience with SDLC methodologies
- Experience with Git version control and build tools such as Maven and Gradle
- Familiarity with front-end technologies such as Angular and React is a plus
- Strong problem-solving and analytical skills
- Good communication and interpersonal skills
- Ability to work independently and take ownership of tasks
- Experience with test-driven development and unit testing frameworks such as JUnit and Mockito
- Familiarity with CI/CD tools such as Jenkins is a plus
- Familiarity with caching technologies such as Redis is a plus
- Working knowledge of design patterns and software architecture principles is a plus.
Good knowledge on Microservices , spring boot , Rest API , Algorthims, Data Structures.
Always a plus who can join immediately.
Job Description - Intelizest
Back End Engineer
- Work with other engineers to develop and test tools and applications used by team on daily basis
- Play a significant role in the ongoing evolution and refinement of current tools and applications
- Triage, troubleshoot, escalate and provide resolution to production issues.
- Reproduce, document and escalate product defects to the Engineering Team.
- Provide well-thought out and reliable direction, both in technical and non-technical terms, to help customers.
- Take ownership of customer issues, including initial troubleshooting, identification of root cause and issue resolution or escalation.
- Identify and escalate priority issues that need immediate attention.
- Collaborate with cross functional teams which requires strong presentation skills and attention to details
- BA/BS degree in Computer Science or related technical field or equivalent work experience. MS degree is preferred.
- 9+ years development experience in JAVA (using OO Design and Analysis, Design Patterns, etc.)
- High experience in Java 8 Required.
- 4+ years’ experience building highly scalable, distributed and reliable Restful Web Services using Spring, Jersey, etc.
- Should have knowledge on Cloud applications preferably on AWS.
- Knowledge on building Front end applications using JavaScript, AngularJS, HTML5, CSS3.
- Experience with relational DBs like MySQL and NoSQL Database like MongoDB, Solr/Lucene will be a plus.
- Experience with Tomcat, Jax-RS, REST, JPA, IntelliJ, Groovy, Hibernate is must.
- Experience with build technologies like Gradle, Jenkins will be a plus.
- Experience with Test Driven Development using TestNG/Junit testing frameworks.
- Experience working with version control like GIT.
- Salary commensurate with experience.
The Junior/ Senior Software Engineer will be a member of the development team for Supply Chain Application module suite. The Supply Chain modules includes components at various layers, including server-side, integration, supply chain planning engines and user-interface. This individual will be responsible for participating in module development and providing technical assistance to junior members of the team.
Experience and Skills:
- 4-10 years of of experience in writing software
- Strong analytical problem solving skills
- Strong Object Oriented Programming Skills. Good understanding of data structures and algorithms.
- Extensive knowledge of the Java programming language
- Understanding of software design patterns, J2EE components (EJB, JSP, Servlets), and XML
- Experience with relational databases (preferably Oracle) and Object/Relational frameworks. Should be able to write SQL queries, procedures, triggers and do basic performance tuning.
- Experience with C++ is a plus.
- Functional knowledge of supply chain management domain.
- Prior experience in development or consulting with an enterprise software vendor – preferably in supply chain planning or forecasting area.
- Experience with enterprise integration patterns & protocols, including SOAP, REST, JMS, EDI is a plus.
- Experience writing build & deployment scripts (e.g. Ant)
- Excellent communication (verbal and written) and interpersonal skills
- Systems implementation skills: requirements/process analysis, conceptual and detailed design, configuration, testing, training, support
- Some experience with a scripting language such as Python or Ruby preferred
- Some experience with newer web client technologies such as AJAX, EXTJS preferred.
Essential Functions:
- Producing design documents based on a requirements document and participating in design reviews
- Producing effort estimates
- Writing code, automated unit and functional tests, and build/deployment scripts
- Participating in code reviews
- Executing performance/scalability tests & profiling hotspots
- Collaborating with QA, Technical Operations and Production Support during the various phases of a project
Education:
BE/ BTech/ ME/ MTech in Engineering, Computer Science

