Lead Database Administrator

Position : Lead – Java Full Stack Developer

Experience : 7 to 12 Years

Location : Kochi / Thiruvananthapuram / Remote

Notice Period : Immediate to 15 Days

Open Positions : 1

Role Overview :

We are looking for a Lead Java Full Stack Developer with strong expertise in Java (Java 21, Spring Boot, and Hibernate), Angular (v19), and AWS to lead agile scrum teams and drive end-to-end feature delivery.

Key Skills Required :

• Java 21, Spring Boot MVC, Spring Data, Hibernate, Gradle
• Angular 19, HTML5, CSS3, JavaScript, REST APIs
• PostgreSQL / RDBMS / NoSQL
• AWS services: S3, Secrets Manager, CloudWatch
• CI/CD (Jenkins, GitHub), Docker
• Unit Testing (Jasmine/Karma or Jest)
• Tools: JIRA, Azure DevOps, Confluence
• Strong in design patterns, OOPs concepts, and performance optimization
• Excellent debugging and communication skills

Responsibilities :

• Design, develop, and deploy scalable full stack solutions
• Lead sprint tasks, perform code reviews, and ensure code quality
• Collaborate with stakeholders and convert requirements into technical specs
• Participate in Agile ceremonies and follow DevOps/CI-CD best practices
• Guide team members and promote technical best practices

Interview Process :

1. Technical Round
2. 2–3 Technical Rounds
3. Final Technical Discussion

Role: Python Developer (Immediate Joiner)

Location: Gurugram, India (Onsite)

Experience: 4+ years

Company: Mizzle Cloud Pvt Ltd

Working Days: 6 Days( 5 days- WFO, Sat- WFH)

Job Summary

We are seeking a skilled Python Django Developer with expertise in building robust, scalable, and efficient web applications. Must have 3+ years of core work experience. The ideal candidate will have hands-on experience with RabbitMQ, Redis, Celery, and PostgreSQL to ensure seamless background task management, caching, and database performance.

Key Responsibilities

• Develop, maintain, and enhance Django-based web applications and APIs.
• Design and implement message broker solutions using RabbitMQ to manage asynchronous communication.
• Integrate Redis for caching and session storage to optimize performance.
• Implement and manage task queues using Celery for background processes.
• Work with PostgreSQL for database design, optimization, and query tuning.
• Collaborate with front-end developers, DevOps engineers, and stakeholders to deliver high-quality software solutions.
• Write clean, modular, and well-documented code following best practices and standards.
• Debug, troubleshoot, and resolve issues across the application stack.
• Participate in code reviews, system design discussions, and team meetings.
• Ensure scalability, reliability, and security of applications.

Technical Skills:

• Must have minimum 4+ years of relevant work experience.
• Strong proficiency in Python and Django framework.
• Experience with message brokers, particularly RabbitMQ.
• Familiarity with Redis for caching and session management.
• Hands-on experience with Celery for distributed task queues.
• Proficiency in PostgreSQL, including database design and optimization.
• Knowledge of RESTful API design and development.
• Understanding of Docker and containerized applications.

Preferred Skills:

• Experience with CI/CD pipelines.
• Familiarity with cloud platforms (AWS, GCP).
• Knowledge of Django ORM and its optimizations.
• Basic understanding of front-end technologies (HTML, CSS, JavaScript).

Soft Skills:

• Strong problem-solving skills and attention to detail.
• Excellent communication and teamwork abilities.
• Ability to work in an agile environment and adapt to changing requirements.

Educational Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field.

Position Summary

We are looking for a strong hands-on Software Engineer to develop and maintain Python 3.10 backend services and FastAPI-based Backend for Frontend (BFF) for the CryoFlow platform. You will address the assigned tasks, understand the expected behavior, implement 

clean and well-tested code, and validate your work end to end.

This role suits an engineer who codes well, thinks through problems methodically, learns quickly in an unfamiliar domain, and takes pride in delivering features that work reliably in real product conditions. You will work closely with senior engineers, QA and front-end developers, and will participate in client feedback meetings to understand how your work is used.

Key Responsibilities

• Contribute to the refactor of existing backend capabilities into Python 3.10 services aligned with CryoFlow architecture and deployment practices.

• Develop and maintain REST APIs, Microservices, BFF using FastAPI and Uvicorn, exposing clear APIs for product workflows, integration screens and front-end consumers. 

• Follow team coding standards, branching strategy, review process and API conventions consistently

• Implement backend logic for status updates, validation, data persistence, device/session edge cases, report-generation helpers and user-facing error handling.

• Deliver assigned backlog items and tasks on schedule, with clean, readable and maintainable code.

• Participate in design discussions and reviews; propose simple, practical approaches and incorporate feedback well.

• Write and maintain tests for Python services and integration flows, including API tests, BFF route tests and mocked external calls.

• Debug across backend code, API responses, logs, databases and front-end symptoms with support from senior engineers where needed.

• Work closely with front-end developers on Angular integration and help debug integration issues.

• Collaborate with QA on test scenarios, defect reproduction and verification.

• Participate in client feedback and review meetings; understand feedback, capture action items and follow through.

Qualifications

• Bachelor’s or Master's degree in computer science, Software Engineering, Information Technology, or a related discipline.

Essential Skills 

Technical Expertise

• 5+ years of hands-on software development experience in backend or API-oriented applications.

• Strong Python programming skills, ideally with Python 3.10, in backend services or APIoriented applications.

• Hands-on experience with FastAPI and Uvicorn, including route design, validation, dependency injection patterns, async behaviour and logging.

• Working experience with or exposure to BFF layers that adapt backend/domain services for front-end workflows.

• Good understanding of REST APIs, data validation, error handling and service-toservice calls.

• Awareness of Microservice architecture and the trade-offs involved in service design.

• Strong problem-solving and debugging skills across code, APIs, logs and databases.

• A practical testing mindset: unit tests, API tests, mocks/fixtures and regression checks.

• Very good written and verbal communication skills.

• Ability to work independently on assigned tasks and collaborate effectively within a team.

Preferred Skills

• Familiarity in developing software for scientific instruments, laboratory automation, imaging systems, life sciences, healthcare technologies, medical devices, industrial automation, or other hardware-integrated software platforms.

• Familiarity to Angular v.17 front-end frameworks for integration and debugging.

• Familiarity with Docker, Kubernetes, container orchestration, observability, and production monitoring.

• Experience working in regulated or quality-controlled software development environments

Location: Bangalore / Hybrid

Duration: 6 months

Internship type: Full-time

Stipend: ₹20,000 per month

Potential outcome: Full-time opportunity based on performance

About the Role

We are looking for a hands-on Supabase Engineering Intern to help build and strengthen the backend of our SaaS products.

You will work with Supabase not merely as a hosted database, but as a complete backend platform—including PostgreSQL, authentication, Row-Level Security, storage, database functions, migrations, and application integrations.

This is a full-time, six-month internship suited to someone who has already built projects using Supabase and wants experience working on a real multi-tenant production application.

What You Will Work On

• Design and maintain PostgreSQL tables, relationships, indexes, and constraints.
• Implement secure multi-tenant access using Supabase Row-Level Security policies.
• Integrate Supabase Auth with a Next.js and TypeScript application.
• Build backend workflows using database functions, triggers, RPCs, and Edge Functions.
• Manage schema migrations across development and production environments.
• Work with Supabase Storage and implement secure file-access policies.
• Diagnose slow queries and improve database performance.
• Build reliable application APIs and data-access layers.
• Write seed data, automated tests, and technical documentation.
• Help investigate and resolve production database, authentication, and permission issues.
• Review existing implementations for data leakage, incorrect RLS policies, and security risks.

Required Skills

• Practical experience building at least one project using Supabase.
• Good understanding of SQL and relational database fundamentals.
• Familiarity with PostgreSQL tables, joins, indexes, constraints, and transactions.
• Experience with JavaScript or TypeScript.
• Basic experience with Next.js, React, Node.js, or another modern web framework.
• Understanding of authentication and authorization concepts.
• Ability to use Git and GitHub.
• Strong debugging and problem-solving skills.
• Ability to commit full-time for the complete six-month internship.

Good to Have

• Experience implementing Supabase Row-Level Security policies.
• Understanding of multi-tenant SaaS architecture.
• Experience with Supabase Edge Functions, database functions, triggers, or RPCs.
• Familiarity with PostgreSQL query optimization and EXPLAIN ANALYZE.
• Experience managing Supabase migrations through the CLI.
• Knowledge of REST APIs, webhooks, background jobs, or third-party integrations.
• Experience using AI coding tools such as Cursor, Claude Code, or Codex.
• Contributions to open-source projects or independently deployed applications.

Who Should Apply

You may be a good fit if you:

• Have built and deployed a working Supabase application.
• Enjoy backend engineering, databases, and debugging.
• Can explain why you structured your database and access policies in a particular way.
• Are comfortable learning through documentation and experimentation.
• Take ownership instead of waiting for detailed instructions for every task.
• Want meaningful product-engineering experience rather than a certificate-based internship.

What You Will Learn

• How production-grade multi-tenant SaaS applications are designed.
• Secure database access using PostgreSQL Row-Level Security.
• Development-to-production database migration workflows.
• Authentication, authorization, storage, and backend architecture.
• Performance optimization and production debugging.
• How a startup engineering team ships and operates real products.

Application Process

To apply, please share:

1. Your resume.
2. GitHub profile.
3. Links to one or two relevant projects.
4. A short explanation of how you used Supabase in one project.
5. An example of an RLS policy, database function, or Edge Function you have written.
6. Your current location and availability.
7. Confirmation that you can commit full-time for six months.

Important: Tutorial-only projects will not be sufficient. We are looking for candidates who can demonstrate that they understand the database and security decisions made in their projects.

Key Responsibilities

• Provide technical leadership in the design, development, and delivery of scalable, high-performance software systems.
• Partner with product managers, architects, and cross-functional teams to define technical strategy and ensure alignment with business objectives.
• Lead by example in writing high-quality, testable, and maintainable code.
• Drive best practices in software engineering, including code reviews, system design, and performance optimization.
• Mentor and guide engineers across teams, fostering a culture of technical excellence and continuous learning.
• Evaluate and introduce new technologies, tools, and frameworks to improve productivity, scale and system robustness.

Required Skills & Qualifications

• Strong foundation in computer science fundamentals: data structures, algorithms, and functional programming techniques.
• Expertise in Scala, with strong preference for functional programming.
• Solid experience in software design, implementation, and debugging, including inter-process communication and multi-threading.
• Hands-on experience with distributed systems and event-driven architectures.
• Familiarity with databases (Postgres preferred).
• Proficiency with Apache Kafka for messaging and persistence.
• Working knowledge of Python for unit and integration testing.
• Basic to intermediate experience with Ansible for automation.
• Strong problem-solving, analytical, and communication skills.

Nice-to-Have / Bonus Skills

• Experience with modeling in YANG.
• Experience with Scala libraries such as Cats Effect (2/3), Monix, and Akka.
• Experience working in Agile/Scrum environments.

What We Offer

• Opportunity to work on cutting-edge technologies in a collaborative environment.
• A role with strong ownership, technical influence, and visibility across teams.
• Competitive compensation and benefits.

Must-Have Technology Skills:

• OOP Concept, Java 8+, Spring Boot, API development, Agile Scrum knowledge, Strong Databases design concepts of RDBMS, and capable of writing and optimizing complex queries.
  Good understanding of any Database tool e.g. Postgres, MySQL, etc.,
• DevOps basic knowledge e.g. implementation of logging in the code, Application Performance Management.
• Basic API & Application security, and Basics of tuning application performance.
• Basic Understanding of DevOps concepts e.g. CI & CD, Deployment lifecycle, Basic understanding of unit testing concepts e.g. TDD (test-driven development).
• A basic understanding of Microservices patterns
• A basic understanding of Java scripting.
• Good understanding of UI Frameworks like Angular 8+

Must-Have Soft Skills:

• Verbal & Written English communication, Good Problem-solving skills,
• Good Planning skills,
• Team Player,
• Good leadership skills
• Good written and verbal communication

Job Description

• Good experience as a full-stack developer in DB-centric applications and should be able to write and optimize complex database queries
• Requirement gathering & understanding, effort estimation, technical design, project planning, and monitoring in an Agile environment.
• Work proactively & independently to address project requirements, and articulate issues/challenges with enough lead time to address project delivery risks.
• Providing expertise in technical analysis and solving technical issues during project delivery.
• Customer interfacing - understand customer requirements, and propose technical solutions.
• Full Software Development Lifecycle (Agile).
• Code reviews, test case reviews and ensure code developed meets the requirements.
• Component Design/ Coding/ Unit Testing/ Debugging / Test Driven Development / Continuous Integration.
• Carry out adaptive changes necessitated by changes in Business Requirements and Technology

About the role

As a core team member in our growing startup, we're looking for an exceptionally hard working candidate who is full of ideas, accountable and has self-learning abilities and make a significant contribution to our growth journey.

Requirement:

The candidate must have at least 2 years and ideally up to 8 years of experience in an IT Product company / Startup. Must have expertise in

MUST HAVE SKILLS
Back-end development using Laravel, Lumen, MySQL / PGSQL

• RESTful API development & integration of 3rd party services (like payment gateways, Email marketing tools, SMS/ Whatsapp, etc.)
• High quality coding which can be replicated and used to scale.
• Prompt to troubleshoot and fix bugs and use of GIT

• Experience in React.JS, AWS, DevOps
• Experience in a Product based SaaS Startup.

• Passionate about building products and features and building a product from scratch with thrust on DevOps, Web security, TLS/SSL, web sockets, etc.
• Have a good understanding of setting up & managing cloud servers like AWS, Google cloud, etc.
• Manage Key-value based databases like Redis

Additional Information

• Immediate / Early joiners preferred.
• This is a Work from Office / Hybrid role.
• Office is in Green Park, New Delhi 110016 (5 min walk from Metro station)
• BYOD - Bring your own device (Laptop)
• Candidate must be willing to work in a high exposure - high accountability Startup environment and grow significantly with the company.

About the Company

hiringplug™ is an AI Marketplace of specialist Recruiters that enables companies to acquire top talent, faster. The company offers an Award winning RaaS™ Marketplace: Recruitment as a Service Marketplace™ The company is at an interesting expansion stage and looking for exceptional talent to be a part of their growth story. | www.hiringplug.com

Get to know us

• https://www.instagram.com/" target="_blank">https://www.instagram.com/hiringplug
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• https://blog.hiringplug.com
• www.hiringplug.com

• “Top HR & Work Tech Startup” – by People Matters both in 2019 & 2020
• “10 Best HR Tech startups 2019” – by Silicon India in Oct 2019
• “Best resourcing software 2019” – by HR Association of India in Jan 2019

Talk to you soon!