Java Developer

Overview:

We as a global leader in software consultancy, is hiring a Senior Consultant skilled in backend technologies (Node.js / Java) with strong experience in Temporal.io (BPM/Workflow platform). This role offers an exciting opportunity to work remotely on cutting-edge, scalable enterprise solutions involving modern microservices, BPM workflows, and cloud-native technologies.

As part of our high-performance engineering team, you will contribute to designing, building, and maintaining distributed systems that drive critical client projects. The ideal candidate is hands-on with Temporal.io, backend development (Node.js or Java), and familiar with modern cloud, DevOps, and automation practices.

Key Roles and Responsibilities:

• Design, develop, and maintain backend services using Node.js (NestJS) or Java integrated with Temporal.io workflow engine.
• Model and implement business processes using BPMN workflows, including managing external task workers, Operate, and Tasklist in Temporal.
• Build and manage RESTful APIs and microservices that are scalable, secure, and maintainable.
• Collaborate closely with cross-functional teams including frontend engineers, DevOps, cloud architects, and QA.
• Implement secure authentication and authorization flows using Keycloak IAM.
• Develop and optimize database interactions with PostgreSQL in a process-driven architecture.
• Utilize Azure services such as Blob Storage, API Gateway, and AKS for cloud infrastructure.
• Automate cloud infrastructure provisioning using Terraform and manage containerized deployments with Kubernetes.
• Ensure high-quality deliverables by implementing unit and integration tests using Jest, and documenting APIs with Swagger/Postman/Insomnia.
• Participate in peer code reviews, technical discussions, and contribute to architectural decisions.
• Maintain and improve CI/CD pipelines (Azure DevOps/GitHub Actions desirable).

Technical Requirements:

Must-Have Skills:

• Temporal.io BPM Platform:
• BPMN modeling, external task workers, Operate, Tasklist (Hands-on experience mandatory)
• Backend Development:
• Node.js (with TypeScript, NestJS framework) OR Java (Strong proficiency)
• Frontend Exposure (Nice-to-Have):
• Modern React.js (v17+) with TypeScript (component-driven design)
• Cloud & Infrastructure:
• Experience with Azure Services: Blob Storage, API Gateway, AKS
• Infrastructure automation using Terraform
• Container orchestration via Kubernetes
• Database:
• Strong understanding of PostgreSQL and its role in process-driven applications
• Authentication & Authorization:
• Experience integrating Keycloak IAM for user role and token-based authorization
• Testing & API Management:
• Testing with Jest
• API documentation and testing using Swagger / Postman / Insomnia (OpenAPI)
• Version Control:
• Git and GitFlow branching strategy

Nice-to-Have / Bonus Skills:

• Blockchain integration for secure KYC/identity flows
• Building custom Camunda Connectors or writing exporter plugins
• Experience with Azure DevOps or GitHub Actions for CI/CD automation
• Authorization enforcement using identity-based access patterns

Additional Information:

• Work Mode: Remote (occasional office visits for team meetings)

We are looking for an experienced Lead Java Developer to join our team and take a leadership role in driving the design, development, and delivery of highquality software solutions. A Senior Java Lead Developer will be responsible for leading a team of developers, providing technical guidance, and ensuring the successful execution of projects. Should have a strong background in Java development, excellent leadership skills, and a track record of delivering complex software projects on time. System Architect: Should have Architect the system before for a large scale solution Understanding of various java design pattern and use the pattern which is more appropriate Understanding of various micro-service design pattern and use the pattern which is more appropriate Has worked on DDD with CQRS Has designed solution for multi tenant application. Technical skills: Used latest version of java and good understanding of it Skilled in spring boot, spring MVC Basic Skill: 10+ years of experience in development. Good communication skills in English. Testing: Skilled in using Junit Security: Good understanding of application security Understanding of DDOS and best practice for that Good understanding of rate limiting API Good understanding about spring security or any thing better Database: Great understanding of MySQL Experience in extensively using hibernate Debugging: Understanding about Logging Skilled in debugging production issue

1. Design and develop features using Java, Spring, and Hibernate
2. Ability to design database schema, develop views and stored procedures
3. Maintain existing software systems by identifying and

Correcting software defects.

1. Review and analyse business requirements and provide technical software defects.

Key Skills:

1. Good understanding of algorithms, data structures & design patterns
2. Thorough understanding of core Java, Spring framework
3. Experience with Spring Boot to bootstrap applications
4. Good understanding and working experience with RESTful web services
5. Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools such as Git, etc.
6. Self-starter who can think outside of the box, and come up with a solution to resolve and mitigate complex problems
7. Experience working in an Agile development environment using methodologies like Scrum and tools like JIRA, Confluence, etc Experience.Comfortable with MYSQL,Mongodb

Role & Responsibilities:

1. Design and develop features using Java, Spring, and Hibernate
2. Ability to design database schema, develop views and stored procedures
3. Maintain existing software systems by identifying and correcting software defects
4. Review and analyze business requirements and provide technical feasibility and estimates
5. 2-4 years of work experience developing Java-based backend applications. Around 1 year of work experience e using Spring Boot, Spring Cloud and Microservices.

Out of many tools and technologies, we use Java, MongoDb, Cassandra, Redis, Twem, Netty extensively for our back-end development.

• Leading the entire Backend platform for a product portfolio.
• End to end delivery new features.
• Evolving the architecture for performance and scalability.
• Design, develop and own components of a highly scalable, distributed web services platform.
• Constantly strive to improve software development process and team productivity.
• Mentor and train team members
• Lead module development independently

Required background, Knowledge, Skills and Abilities

• 5.5+/ 7+ Years of experience in a scalable product/ecommerce organization·       
• Excellent Java skills, Understanding of Spring framework & MVC approach
• Strong knowledge of Performance optimization and caching techniques.
• Strong Object Oriented Programming concepts, data structure and algorithms
• Experience in developing scalable, fault-tolerant, distributed backend services
• Experience with prevalent design patterns and advanced system designing
• Good experiences with databases and Schema design. We heavily use NoSQL databases
• Strong Problem Solving skills

• Understand the overall requirements of the product/platform and specifically for the assigned feature/module.
• Design and Develop Software as per the product architecture and requirements.
• Code and unit testing of the feature/modules including appropriate design reviews and code inspections.
• Ensure adherence to the software development processes.
• Investigates software/system problems to isolate the root cause and provides innovative solutions.
• Collaborates with cross-functional teams (locally & globally) to ensure product releases meet quality, performance, scalability, reliability, and schedule goals.

• Bachelor’s or Master’s degree in Computer Science, Software Engineering or Information Technology.
• 6-10 years of experience in software development using J2EE technologies
• Experience with Core Java, JEE5 (JSP/JMS/Web Services/Servlets), Spring, Hibernate, REST, JBOSS/Tomcat Servers
• 1+ years of experience using Azure IOT technologies
• Work experience in Azure IoT Suite: IoT HUB, Azure TSI, DPS, Service Bus, Azure Functions, Azure KeyVault, MCI/AKS, Azure AD
• Knowledge in Azure Data Lake, Azure SQL
• Strong understanding of object-oriented programming
• Knowledge in ReactJS, JQuery is a plus
• Good knowledge in SQL -preferable
• Must have worked in agile/scrum environment
• Good understanding of software development processes, preferably for a regulated medical devices environment (ISO13485/FDA)
• Ability to work with cross-functional and remote teams.
• Flexibility to work on different areas of the product/platform
• Good written and verbal English communication
• Ability to travel as needed (minimal)