Java developer

Position : Tech Lead – Fullstack Developer

Experience : 7 to 15 Years

Location : MG Road, Bengaluru (Hybrid – 3 Days in Office)

Notice Period : Immediate / Serving / 15 Days or Less

About the Opportunity :

We are hiring a Tech Lead – Fullstack Developer for a well-funded product startup building an enterprise-grade SaaS platform in the Cybersecurity domain.

The role involves designing and delivering scalable microservices and cloud-native applications in a high-performing, Agile engineering environment.

You'll work alongside industry veterans from billion-dollar digital firms, contributing to technical design, product architecture, and engineering best practices.

Mandatory Skills : Java, Spring Boot, ReactJS (or any modern JavaScript framework), RESTful APIs, PostgreSQL, Docker, Kubernetes, CI/CD, Hibernate/JPA, Multithreading, and Microservices architecture.

Role Highlights :

• Lead fullstack product development using Java (Spring Boot) and ReactJS (or similar frameworks).
• Design, develop, test, and deploy scalable microservices and RESTful APIs.
• Collaborate with Product, DevOps, and QA teams in a fast-paced Agile environment.
• Write modular, secure, and efficient code optimized for performance and maintainability.
• Mentor junior developers and influence architecture decisions across the team.
• Participate in all stages of the product lifecycle, from design to deployment.
• Create technical documentation, UML diagrams, and contribute to knowledge-sharing through blogs or whitepapers.

Key Skills Required :

1. Strong expertise in Java (mandatory) and Spring Boot.
2. Proficient in frontend development using ReactJS or similar frameworks.
3. Hands-on experience building and consuming RESTful APIs.
4. Solid knowledge of PostgreSQL, Hibernate/JPA, and transaction management.
5. Familiarity with Docker, Kubernetes, and cloud platforms (Azure/GCP).
6. Understanding of API Gateway, ACID properties, multithreading, and performance tuning.
7. Experience with CI/CD tools (Jenkins, GitHub Actions, GitLab CI) and Agile methodologies.
8. Strong debugging and profiling skills for performance bottlenecks.

Nice to Have :

• Experience with data integration tools (e.g., Pentaho, Apache NiFi).
• Exposure to the Healthcare or Cybersecurity domain.
• Familiarity with OpenAI APIs or real-time analytics tools.
• Willingness to contribute to internal documentation, blog posts, or whitepapers.

Perks & Benefits :

• Opportunity to build a product from scratch.
• Flat hierarchy and direct access to leadership.
• Strong focus on learning, mentorship, and technical innovation.
• Collaborative startup culture with long-term growth opportunities.

Interview Process :

1. Technical Round – Technical Assessment
2. Technical Interview – Core Development
3. Advanced Technical Interview – Design & Problem Solving
4. Final Round – CTO Discussion

Job Title: Tech Lead – Full Stack

Location: MG Road, Bangalore

Work Mode: Hybrid

Interview Mode: Virtual

Experience Required: 7–12 Years

Role Overview

We are looking for a Tech Lead – Full Stack with 7 to 12 years of experience in developing scalable SaaS products using Java, Spring Boot, and JavaScript frameworks. The ideal candidate has hands-on experience with microservices architecture, performance optimization, and cloud-native development, and is passionate about mentoring teams and driving engineering best practices.

Key Skills & Expertise

• Proficient in building scalable SaaS products with a focus on microservices architecture.
• Technologies: Java (Mandatory), Spring Boot, ReactJS or any other JavaScript framework.
• Strong experience in designing RESTful APIs and using mocking frameworks.
• Skilled in profiling services and debugging performance issues.
• Knowledge of Docker and Kubernetes for containerization.
• Familiar with data integration tools such as Pentaho Kettle or Apache Nifi.
• Ability to influence technical decision-making, with a strong focus on automation and security best practices.

What You Will Do

• Design, implement, test, and deploy both front-end and back-end components of the product.
• Build and deliver highly scalable services using Spring Boot.
• Develop frameworks and accelerators to speed up development.
• Establish and enforce engineering best practices.
• Create and review design artifacts using UML for team-wide implementation.
• Mentor and guide product engineers within the team.
• Ensure on-time delivery of user stories planned for sprints.
• Engage in all stages of the product development lifecycle – from planning and design to implementation and testing in multi-cloud environments.
• Deliver robust, quality-focused technical solutions to business problems.
• Work alongside a talented team solving complex technical challenges in building large-scale SaaS products.
• Contribute from the ground up to the architecture and modularization of the product for long-term scalability and maintainability.
• Share knowledge and expertise by writing blogs, articles, and whitepapers.

 Technical Requirements

• Design and implement microservices architectures using Java and Spring Boot.
• Create, manage, and secure RESTful APIs.
• Collaborate with cross-functional teams in an Agile setting to ensure high-quality delivery.
• Mentor and support junior developers on the team.
• Experience with cloud platforms such as Azure or GCP, and orchestration tools like Docker and Kubernetes.
• Strong database skills in PostgreSQL.
• Exposure to:
• API Gateway
• Hibernate & JPA
• Transaction Management
• ACID Properties
• Multithreading & Context Switching
• Healthcare domain experience is a plus.

Lead Java Developer (Spring Boot)

Job Type: Full-Time

Location: Bangalore / Hyderabad / Pune / Chennai 

Work Mode: Hybrid

Experience: 6+ Years

Key Responsibilities:

Lead the design and development of scalable backend applications using Java (Spring Boot).

Mentor and guide a team of developers to ensure high-quality deliverables.

Take ownership of solution architecture, coding standards, and design patterns.

Develop and manage RESTful APIs and integrate third-party services.

Collaborate with front-end teams, QA, and stakeholders to align technical implementation with business goals.

Oversee deployments in hybrid cloud environments in coordination with DevOps teams.

Conduct code reviews, lead design discussions, and manage agile development processes (Scrum/Kanban).

Monitor application performance and drive improvements proactively.

Troubleshoot and resolve complex software issues across systems and services.

Required Skills:

8+ years of professional experience in Java development, with at least 2 years in a lead role.

Strong hands-on expertise in Spring Boot and microservices architecture.

Working knowledge of Node.js and JavaScript/TypeScript.

Experience with REST APIs, SQL/NoSQL databases (MySQL, PostgreSQL, MongoDB).

Familiar with CI/CD pipelines, Git, and modern DevOps practices.

Proven ability to lead distributed teams and manage deliverables in a remote/hybrid work setup.

Strong communication, leadership, and problem-solving skills.

What you need to succeed in this job ?

• MS or BS/B.Tech in computer science or equivalent experience from top college.
• Minimum 2+ Experience in Java 8, Spring Boot, Spring Cloud, Spring Cloud Gateway etc
• Good understanding of Design Patterns usage and implementations.
• REST Services and understanding and implementation of Microservices Architecture.
• Unit testing tools – Junit & Mockito.
• Experience is PostgreSQL database is must, 
• Excellent data structure & algorithm and problem solving skills.
• Should be an active contributor to developer communities like Stackoverflow is added advantage.
• Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development (Prometheus, Elasticsearch, Kafka).
• Must be a proven performer and team player that enjoy challenging assignments in a high- energy, fast growing and start-up workplace.
• Must be a self-starter who can work well with minimal guidance and in fluid environment.

Minimum of 6 years of experience in software development. Proficiency in developing declarative and component-based SPAs using Vue.js. Experience with front-end technologies such as HTML, CSS, JavaScript, and TypeScript. Expertise in Vue.js, including Vuex for state management and Vue Router for navigation. Strong understanding of Java and experience with Spring Boot framework. Knowledge of RESTful APIs and microservices architecture. Knowledge of Spring Security framework for implementing authentication and authorization in Spring-based applications. Experience with Keycloak and access management solutions for securing web applications. Understanding of OAuth and OpenID Connect protocols for single sign-on (SSO) authentication. Ability to integrate and configure Keycloak with Spring Boot applications to manage user authentication and authorization. Experience with JSON Web Tokens (JWT) for secure transmission of authentication data between client and server. Bachelor's degree in Computer Science, Engineering, or related field.

The ideal candidate should have a strong foundation in computer science and a passion for building high-quality solutions. The role requires hands-on experience in designing, developing, and implementing scalable and high-performance mobile applications (company is looking for an employee to build a chat application from scratch)

Responsibilities:

1. Design, develop, and maintain a mobile application

2. Write clean, scalable, and maintainable code that

adheres to best practices and industry standards

3. Test applications to ensure they meet customer requirements and are free from defects

4. Implement security and data protection measures in applications

5. Troubleshoot and debug software applications

Requirements:

1. Bachelor's degree in Computer Science or a related field

2. Experience in developing applications using Java, and Javascript.

3. Strong understanding of the software development life cycle (SDLC) and Agile methodologies

4. Experience with front-end technologies such as HTML, CSS, and JavaScript

5. Experience with database design and management, particularly with MongoDB

6. Excellent debugging and troubleshooting skills

7. Strong communication and teamwork skills

At Pratishthan we are looking for enthusiastic software engineers with up to 5 years of work experience with great programming and problem-solving skills. You should be open to working in any of the tech stacks, as technology is just a means to deliver the solution to customer problems. Preferred technologies are Java, spring boot, Node JS or C++.  However, specific tech stack experience is not a prerequisite if the candidate has relevant experience and is open to learning. 

You will be part of an engineering team developing large cloud-based enterprise applications. Currently, the team @Pratishthan consists of passionate experienced individual contributors who want to make a difference in the software product landscape in India.

Requirements:

• Candidates should be hands-on developers with a strong command of data structures, algorithms, programming fundamentals and DBMS concepts.
• We look for people who have good conceptual clarity and can recognize patterns and come up with multiple approaches to solve problems.
• Candidates should have exposure to designing components as part of applications, independently. 
• Good scores in any of the online coding platforms like LeetCode, CodeChef, HackerRank etc. would be preferred. (Please specify the scores in the resume.)
• Experience in designing and developing microservices, event- driven systems, cloud platforms, data analytics etc would be added advantage.
• Looking for professionals who are passionate and self-driven to learn newer technologies and enjoy challenging work.

https://polyglots.io">Polyglots is a young and innovative software development agency located in Pune, India. Our expertise is to build highly scalable applications and infrastructure solutions for our partners and budding startups.

We provide end-to-end solutions ranging from cloud architecture to backend services and modern frontend development. We leverage agile methodologies, software life cycle best practices and cutting edge technology to deliver perfect solutions reflecting our passion for software development.

We care about our company culture and invest in people to create the best teams of highly skilled developers. 

We are looking for a Fullstack Developer who is motivated to combine the art of software design with the skill of programming. Responsibilities will include translation of the business requirements to actual code that will produce a flexible and scalable cloud application. You will guide the team on technical implementations, take an active role on both sides i.e frontend + backend and define how the application works.

• Develop and design RESTful/GraphQL services and APIs.
• Develop databases, applications, and servers to support websites on the back end.
• Develop visually appealing front end website architecture, including translating designer mock-ups and wireframes into front-end code.
• Design user interactions on web pages
• Stay up to date of developments in web applications and programming languages
• Strategize organizational direction on emerging technology platforms and communicate the effectiveness to executive stakeholders
• Ensure that non-functional requirements such as security, performance, maintainability, scalability, usability, and reliability are being considered when architecting solutions.

• Proficiency in Java along with Spring Boot.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular, React or VueJS.
• Familiarity with database technology such as Postgres, MySQL, Oracle and MongoDB.
• Well versed with Data Structures and common Design Patterns.
• Strong organizational and project management skills.
• Excellent verbal communication skills.
• Good problem solving skills.
• Attention to detail.