Backend Developer

Job Title : Senior Consultant (Java / NodeJS + Temporal)

Experience : 5 to 12 Years

Location : Bengaluru, Chennai, Hyderabad, Pune, Mumbai, Gurugram, Coimbatore

Work Mode : Remote (Must be open to travel for occasional team meetups)

Notice Period : Immediate Joiners or Serving Notice

Interview Process :

• R1 : Tech Interview (60 mins)
• R2 : Technical Interview
• R3 : (Optional) Interview with Client

Job Summary :

We are seeking a Senior Backend Consultant with strong hands-on expertise in Temporal (BPM/Workflow Engine) and either Node.js or Java.

The ideal candidate will have experience in designing and developing microservices and process-driven applications, as well as orchestrating complex workflows using Temporal.io.

You will work on high-scale systems, collaborating closely with cross-functional teams.

Mandatory Skills :

Temporal.io, Node.js (or Java), React.js, Keycloak IAM, PostgreSQL, Terraform, Kubernetes, Azure, Jest, OpenAPI

Key Responsibilities :

• Design and implement scalable backend services using Node.js or Java.
• Build and manage complex workflow orchestrations using Temporal.io.
• Integrate with IAM solutions like Keycloak for role-based access control.
• Work with React (v17+), TypeScript, and component-driven frontend design.
• Use PostgreSQL for structured data persistence and optimized queries.
• Manage infrastructure using Terraform and orchestrate via Kubernetes.
• Leverage Azure Services like Blob Storage, API Gateway, and AKS.
• Write and maintain API documentation using Swagger/Postman/Insomnia.
• Conduct unit and integration testing using Jest.
• Participate in code reviews and contribute to architectural decisions.

Must-Have Skills :

• Temporal.io – BPMN modeling, external task workers, Operate, Tasklist
• Node.js + TypeScript (preferred) or strong Java experience
• React.js (v17+) and component-driven UI development
• Keycloak IAM, PostgreSQL, and modern API design
• Infrastructure automation with Terraform, Kubernetes
• Experience in using GitFlow, OpenAPI, Jest for testing

Nice-to-Have Skills :

• Blockchain integration experience for secure KYC/identity flows
• Custom Camunda Connectors or exporter plugin development
• CI/CD experience using Azure DevOps or GitHub Actions
• Identity-based task completion authorization enforcement

Job description

🔧 Key Responsibilities:

• Design and implement robust backend services using Node.js.
• Develop and maintain RESTful APIs to support front-end applications and third-party integrations
• Manage and optimize SQL/NoSQL databases (e.g., PostgreSQL, MongoDB, Snowflake)
• Collaborate with front-end developers to ensure seamless integration and data flow
• Implement caching, logging, and monitoring strategies for performance and reliability
• Ensure application security, scalability, and maintainability
• Participate in code reviews, architecture discussions, and agile ceremonies

✅ Required Skills:

• Proficiency in backend programming languages (Node.js, Java, .NET Core)
• Experience with API development and tools like Postman, Swagger
• Strong understanding of database design and query optimization
• Familiarity with microservices architecture and containerization (Docker, Kubernetes)
• Knowledge of cloud platforms (Azure, AWS) and CI/CD pipelines.

Job Summary :

      As a Software Development Engineer, you will be responsible for end-to-end delivery of software components all the way to production. In this position you will partner with our globally distributed cross-functional teams, product managers and other internal stakeholders. This position requires understanding business & technical requirements, designing clean solutions, implementing them and managing these systems. A key aspect of the role is to understand the digital commerce businesses part of KBX and implement technology systems that favourably align with business initiatives and requirements. The position will be evaluated in terms of the quality of the technology development, ongoing management of the systems and impact on business metrics.

Responsibilities :

• Work closely with cross functional teams to and deliver quality technology solutions
• Operational rigor for a rapidly growing tech stack and live portals
• Regular communication with management on status and risks.
• Measure success metrics and influence evolution of the tech product
• Be resourceful and find creative solutions to complex technical challenges.

Basic Qualifications :

• Ability to understand business requirements and build technology solutions that factor in the business requirements completely
• Possess an extremely sound understanding of basic areas of Computer Science such as Algorithms, Data Structures, Object Oriented, Databases.
• Excellent coding skills 
• Great problem solving skills and propensity to learn and develop tech talent.
• Bachelor’s degree or higher in Computer Science and years of Software Development experience

Preferred Qualifications :

• Understanding on Web programming is must; full stack experience would be a plus.
• Understanding on AWS Cloud Stack (EC2, Lambda, Dynamo DB, Aurora) would be a plus
• Knowledge of serverless development
• Excellent verbal and written communication skills. 

• Creating C#.NET windows Desktop (WPF) applications to meet project specifications
• Must have experience in windows UI
• Co-ordinating design, development, testing, debugging and implementation of .NET projects
• Database Interaction (MongoDB Server)
• Looking for professional who have experience with C#
• .Net, web Api & knowledge of web-based framework will be preferred.
• Good understanding on requirements gathering and detail orientation.
• Strong understanding on UI best practice and usability concepts.
• Hands on experience on user control and custom controls.

Mandatory Key Skills: C# , windows UI, Windows application development (WPF), strong windows UI development skills with usability understanding.

Required Experience, Skills and Qualifications

• 1+ years of experience using C#, windows UI
• Experience with Custom Windows UI component library will be preferred.
• Candidate with knowledge of, web-based framework will be preferred (plus point)
• Implementation of typical User-Interface module and business logic component in the project using C#
• Good communication skills are needed.

Keypoints to be noted:

Must have knowledge/experience of below:

C#

• Background worker and task(for running any process/task backend without interruoting/hanging UI)
• Utilize common/globalmethods
• Async/sync methods

WPF

• Create custom/user control(MUST)

Technology is at the heart of our organization. We have a strong engineering team and we're looking for an experienced engineer to lead our backend engineering team. As part of the tech team, you will Understand product requirements and brainstorm ways to address them

• Lead large initiatives and be responsible for it
• Mentor teammates
• Set and enforce standards for writing and maintaining efficient code
• Influence team decisions in the overall architecture and practices of the company
• Contribute to company growth by participating in hiring activities

Must-haves

1. At least 4 years experience in a product based company
2. Experience working with distributed environments at scale
3. Strong command on at least one Object Oriented Programming language
4. Experience leading developers for large scale products
5. Demonstrated capability to design and architect products built for scale
6. Deep knowledge of multiple AWS services
7. Experience with Docker and Kubernetes

Good to have

1. Experience with at least one among C++, Java
2. Experience with Linux file systems
3. Familiarity with agile development methodologies

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.