Senior Java Architect

🚀 Job Title : Backend Engineer (Go / Python / Java)

Experience : 3+ Years

Location : Bangalore (Client Location – Work From Office)

Notice Period : Immediate to 15 Days

Open Positions : 4

Working Days : 6 Days a Week

🧠 Job Summary :

We are looking for a highly skilled Backend Engineer to build scalable, reliable, and high-performance systems in a fast-paced product environment.

You will own large features end-to-end — from design and development to deployment and monitoring — while collaborating closely with product, frontend, and infrastructure teams.

This role requires strong backend fundamentals, distributed systems exposure, and a mindset of operational ownership.

⭐ Mandatory Skills :

Strong backend development experience in Go / Python (FastAPI) / Java (Spring Boot) with hands-on expertise in Microservices, REST APIs, PostgreSQL, Redis, Kafka/SQS, AWS/GCP, Docker, Kubernetes, CI/CD, and strong DSA & System Design fundamentals.

🔧 Key Responsibilities :

• Design, develop, test, and deploy backend services end-to-end.
• Build scalable, modular, and production-grade microservices.
• Develop and maintain RESTful APIs.
• Architect reliable distributed systems with performance and fault tolerance in mind.
• Debug complex cross-system production issues.
• Implement secure development practices (authentication, authorization, data integrity).
• Work with monitoring dashboards, alerts, and performance metrics.
• Participate in code reviews and enforce engineering best practices.
• Contribute to CI/CD pipelines and release processes.
• Collaborate with product, frontend, and DevOps teams.

✅ Required Skills :

• Strong proficiency in Go OR Python (FastAPI) OR Java (Spring Boot).
• Hands-on experience building Microservices-based architectures.
• Strong understanding of REST APIs & distributed systems.
• Experience with PostgreSQL and Redis.
• Exposure to Kafka / SQS or other messaging systems.
• Hands-on experience with AWS or GCP.
• Experience with Docker and Kubernetes.
• Familiarity with CI/CD pipelines.
• Strong knowledge of Data Structures & System Design.
• Ability to independently own features and solve ambiguous engineering problems.

⭐ Preferred Background :

• Experience in product-based companies.
• Exposure to high-throughput or event-driven systems.
• Strong focus on code quality, observability, and reliability.
• Comfortable working in high-growth, fast-paced environments.

🧑‍💻 Interview Process :

• 1 Internal Screening Round
• HR Discussion (Project & Communication Evaluation)
• 3 Technical Rounds with Client

This is a fresh requirement, and interviews will be scheduled immediately.

Job Title : Senior Backend Developer (Node.js + AWS + MongoDB)

Experience : 4+ Years

Location : Andheri, Mumbai (Work From Office)

About the Role :

We are looking for a highly skilled Senior Backend Developer with strong expertise in Node.js (NestJS), AWS, and MongoDB to join our growing engineering team.

This role requires someone who takes ownership, is proactive, and enjoys building scalable, high-performance backend systems in a fast-paced environment.

Key Responsibilities :

• Architect, design, and develop scalable backend services using Node.js (NestJS).
• Design and manage cloud infrastructure on AWS Services (EC2, ECS, RDS, Lambda, etc.).
• Develop and maintain high-performance database solutions using MongoDB.
• Work with Kafka, Docker, and serverless frameworks (SST) for efficient deployments.
• Optimize system performance, scalability, and reliability across services.
• Ensure application security, best practices, and compliance standards.
• Collaborate with cross-functional teams to deliver robust product features.
• Take end-to-end ownership of features from design to deployment.

Technical Requirements :

• 4+ years of backend development experience.
• 3+ years of hands-on experience with Node.js.
• 2+ years of hands-on experience with AWS.
• Strong experience with NestJS framework.
• Solid experience with MongoDB and database design.
• Experience with Kafka, Docker, and serverless architecture.
• Understanding of system design, scalability, and performance optimization.

Good to Have (Bonus Skills) :

• Experience with Python or other backend languages.
• Exposure to Agentic AI use cases or implementations.
• Strong understanding of security best practices.

What We’re Looking For :

• Curious mindset and eagerness to learn new technologies.
• Proactive problem solver with strong ownership attitude.
• Strong team player with effective communication skills.
• Positive, energetic, and passionate about building great systems.

• Experience in Node.js Frameworks
• Hands-on experience with MongoDB
• Strong proficiency with JavaScript, Socket IO, ExpressJS & SailsJS
• Experience working with third-party developer tools, including documentation, APIs, and SDKs
• Good Grasp of Asynchronous Programming and Its Workarounds
• Database Schema design for Business Processes
• Working Knowledge of JWT-based passport Authentication
• Can Write and Refactor Efficient Codes
• Experience in Implementing Data Protection
• Must have demonstrated the ability to deliver high-quality products on time
• Knowledge of GIT, SVN technology

Skills & Abilities:

1. Language: Java, J2EE, springboot, angular, react, node, (CSS: Tailwind CSS + angular Material) etc.

2. OS : Linux, windows

3. Database : Oracle, postgres, PL/SQL

4. Desirable : API integration, CI/CD, automation, working experience in the mobile financial domain

5. Able to mentor and guide juniors

6. Able to resolve customer queries independently

7. Able to write test cases  and execute test plans

8. Added advantage (Good to have): application security, RabbitMQ, Apache Kafka, Grafana, Prometheus, MongoDB, shell scripting basics

Job Purpose: At the Mobiquity project engineering team, our core job is to customize, install, configure and support the customer during the entire project lifecycle.

Principal Accountabilities Development

1. Write code in Java and java based technologies as well as web GUI development using latest technologies like, angular, react, conforming to company guidelines against written requirements & high-level design documents, particularly for complex modules that cannot be handled by junior developers. Work in an IDE while developing code ( especially in Java) and use GIT, SVN or any other CM tool being used in the company, for checking in and checking out the code being developed.

2. Submit developed code for review, incorporate required changes and conduct Unit testing, after preparing Unit Test Plans and necessary stubs.

3. Review code offered by others and document response in assigned format.

4. Participate in (a) the integration of the developed code with code developed by other team members (this could happen on customer premises if appropriate environment is not available in-house) (b) preparation of the environment for integration testing (c) execution of integration testing (d) fixing the problems relating to the offered code as discovered in the integration testing.

5. Participate in load testing conducted on the final product and fix problems encountered.

6. Assist Product Validation Group in setting up the test environment, writing test cases, generating stubs and executing tests.

7. Review test cases written by the Product Validation Group.

8. Install product in customer location, train the customer reps on product features and operation & maintenance procedures, and complete user acceptance testing, making any changes in the final deliverable as required.

9. Handle customer queries and complaints received directly or through the company support organization.

10. Change code to fix reported customer problems after trouble shooting, get the fix reviewed and complete selective regression testing.

11. Draft user documentation for consolidation by the technical documentation team. This could include GUI, API, O&M and technical documentation relating to COTS. Review drafts prepared by junior developers.

12. Help maintain design requirement documents as directed.

13. Participate in the development, release, support & enhancement activity through multiple release cycles and multiple products

14. Proactively seek feedback/reviews on self-development, learning, and developed code. Responsible for completing the assigned task in all aspects by proactively seeking reviews, and updating the status to supervisors.

15. Ensure the task assigned is understood in all respects and communicate effectively and raise necessary alarms to reporting leads if anything is not understood or no progress is possible.

Capability Building

1. Assist junior developers in coding, testing, and troubleshooting.

2. Train and support a new member joining the team with little or no experience in the development environment, technology domain, and the specific work underway. Focus on scope of work familiarization.

What you need to have:

HBOX is a US Based Digital Health Company, Enabling Primary Care Providers (PCP) to

capture true Virtual Care Opportunities beyond Telehealth. We enable PCP to

provide Proactive and Continuous Care and add new Recurring monthly revenue

streams without any upfront cost. With our unique distribution and business

model, we are seeing fast acceptance and great adaption with our target

customers. We have built unique and Industry's first Integrated

Hardware, Cloud & AI Technologies based Virtual care Platform for PCP

Market. We are US focused Post revenue company with customers in 7 US States

and growing extremely fast.

We want a techie at heart. Someone who is happy and curious to work on all aspects of software development. Reporting directly to the CTO, you will be responsible for feature design, development, and continuously optimizing our tech stack.

We are looking for an experienced software engineer with at least 5 years of experience in a startup or product environment. Ideally you have been involved in all aspects of software development from requirements gathering to design, development, deployment and post-release support. We are looking for all-round technical maturity. Our tech stack is Angular, Spring boot and Django/Python.

Key Skills

Java SpringBoot, PostgreSQL/MySQL, Git

AWS, REST api design, Experience integrating with external APIs

Good applied understanding of Object Oriented Programming

Good database modeling and SQL knowledge.

Anticipate how code will perform under production conditions

Understand the performance characteristics of commonly used data structures (maps, lists etc). (Optional) Experience with UI frameworks like: AngularJS/React is a big plus.

Responsibilities and Duties

Build out features across the stack: backend, API design and integration, database optimization, microservices, plugins, queues etc

Fix bugs and write automated tests

Maintain and upgrade our Tech Stack

Translate requirements to design and write/present articulate software design.

• Expertise in Java Microservices, Spring, Spring boot MongoDB and Redis 
• Hands-on programming skills
• Proficient communication skills

Responsibilities:

• Resolve complex technical issues and make design decisions to meet the critical requirements of scalable, highly available, multi-tenant enablement of services in the cloud.
• Independently investigate, present options, review and implement completely new functionality OR re-architect an existing solution to meet growing needs
• You will work closely with other development teams, product management, UX, and QA to define and implement a new product offering while ensuring continued functionality.
• Work with various external (application) teams to integrate with the product and help guide the integration.
• You will implement solutions that include database schema, business logic, and some presentation layer work.
• You will use existing methods and best practices in the software industry to create features and platforms with the highest levels of security, reliability, efficiency, and scalability.
• Experience mentoring senior developers.

Requirements:

• 8+ years of experience in software development experience with a proven track record of making technical decisions
• 8+ years of experience in coding in more than one programming language, e.g. Python, GoLang, node.js, etc
• Intimate working understanding of modern web applications from the database to browser
• Intimate understanding of MongoDB and extensive experience with database-driven applications
• Great problem-solving skills and ability to abstract functional requirements
• Excellent communicator in both technical and non-technical contexts
• Experience designing and improving complex software applications
• Experience coaching and mentoring developers at various levels of experience
• You have a sound understanding of programming fundamentals & their application to highly scalable web-based systems.
• You have successfully led a small agile team.