Java Developer

About the role:

We are seeking a highly motivated Senior Software Engineer with expertise in building scalable, extensible applications, identifying and addressing performance bottlenecks, collaborate with other team members to innovate current/new products; Identify, communicate and implement best practices for application engineering. Our engineering process is fully agile and has a really fast release cycles - which keeps our environment very energetic and fun.

What you’ll do:

• Architect, Design and build scalable applications.
• Work with Product Management teams to get maximum value out of existing data.
• Contribute to continual improvement by suggesting improvements software system.
• Ensure high scalability and performance
• You will advocate for good, clean, well-documented and performing code; define and follow standards and best practices for front-end development.
• Ability to deliver great results in an agile development
• Strong verbal and written communication skills

We’d love for you to have:

• Experience: 3-5 years of experience as a backend developer is required
• Education: B.Tech. in Computer Science from tier - 1 engineering colleges in India

• A self-starter who is passionate about problem solving across complex technology stack.
• Highly skilled back-end engineer using Object-Oriented programming preferably Java, exposure to open source libraries and frameworks.
• Strong knowledge and experience in REST based programming using Restlet framework.
• Ability and experience in evaluation and integration of third party systems and libraries.
• Experience in system architecture, data structures, algorithm design and their optimization.
• Passion for performance benchmarking and debugging.
• Strong knowledge of web standards (i.e. REST/SOAP) concepts
• Knowledge of version control (GIT) and databases (MySQL)
• Experience with the full software development lifecycle, design, develop, debug, document, and deliver (especially in a multiple location organization).
• Experience in Test-driven development.

• Experience in Spring Boot, Jenkins, Git, Hibernate, Kubernetes, and Docker

• Experience in the development of scalable and extensible systems using Java

• Proficiency in Database technology such as MySQL, Oracle and MongoDB

• Routines Sync & Async

• Solid and fluent understanding of algorithm and data structures

• Excellent software design, problem-solving and debugging skills

• Demonstrated high ownership in previous projects

• Excellent Communication Skills

• Good understanding of Elastic Search, Redis

• Experience working in the cloud environment, preferably AWS*.

• Write unit tests and run automated tests through CI/CD

• Ability to learn new and existing technologies

• Experience in building cloud SaaS or PaaS solutions/products

We are seeking an experienced and highly skilled Technical Lead with a strong background in Java, SaaS architectures, firewalls, and cybersecurity products, including SIEM and SOAR platforms. The ideal candidate will lead technical initiatives, design and implement scalable systems, and drive best practices across the engineering team. This role requires deep technical expertise, leadership abilities, and a passion for building secure and high-performing security solutions.

Key Roles & Responsibilities:

• Lead the design and development of scalable and secure software solutions using Java.
• Architect and build SaaS-based cybersecurity applications, ensuring high availability, performance, and reliability.
• Provide technical leadership, mentoring, and guidance to the development team.
• Ensure best practices in secure coding, threat modeling, and compliance with industry standards.
• Collaborate with cross-functional teams, including Product Management, Security, and DevOps to deliver high-quality security solutions.
• Design and implement security analytics, automation workflows and ITSM integrations.
•  Drive continuous improvements in engineering processes, tools, and technologies.
• Troubleshoot complex technical issues and lead incident response for critical production systems.

Basic Qualifications:

• A bachelor’s or master’s degree in computer science, electronics engineering or a related field
• 3-6 years of software development experience, with expertise in Java.
• Strong background in building SaaS applications with cloud-native architectures (AWS, GCP, or Azure).
• In-depth understanding of microservices architecture, APIs, and distributed systems.
• Experience with containerization and orchestration tools like Docker and Kubernetes.
• Knowledge of DevSecOps principles, CI/CD pipelines, and infrastructure as code (Terraform, Ansible, etc.).
• Strong problem-solving skills and ability to work in an agile, fast-paced environment.
• Excellent communication and leadership skills, with a track record of mentoring engineers.

Preferred Qualifications:

• Experience with cybersecurity solutions, including SIEM (e.g., Splunk, ELK, IBM QRadar) and SOAR (e.g., Palo Alto XSOAR, Swimlane).
• Knowledge of zero-trust security models and secure API development.
• Hands-on experience with machine learning or AI-driven security analytics.

Job Description:

Proven experience as a Java Developer with a strong understanding of Java and its ecosystems.

Proficient in Spring Framework (Spring Boot, Spring MVC, Spring Data).

Experience with web application development using technologies such as HTML, CSS, and JavaScript.

Knowledge of relational databases (e.g., MySQL, PostgreSQL) and ORM frameworks (e.g., Hibernate).

Familiarity with build tools such as Maven or Gradle.

Understanding of software development life cycle (SDLC) and agile methodologies.

Excellent problem-solving and debugging skills.

Experience with microservices architecture.

Familiarity with containerization and orchestration tools (e.g., Docker, Kubernetes).

Candidate should also have some App development experience in cloud infra. Like familiarity with Docker, Helm Charts, Kubernetes or AWS/Azure k8s infra.

Candidate should have some App development experience in at least one No-SQL Database also (like MongoDB or Cassandra or Redis) apart from RDBMS.

Job Summary:

We are looking for a skilled and experienced Java Developer to join our team. As a Java Developer, you will be responsible for developing and maintaining our applications using Java, Spring framework, and other related technologies. The ideal candidate should have a strong understanding of object-oriented programming principles, as well as experience with a variety of technologies such as SQL, NoSQL, and cloud computing.

Responsibilities:

• Design, develop, and maintain our applications using Java, Spring framework, and other related technologies
• Write clean, efficient, and optimized code for applications
• Collaborate with cross-functional teams to understand user requirements and deliver high-quality solutions
• Develop and maintain backend systems using Spring framework
• Work with databases, including SQL and NoSQL
• Ensure code quality and maintain documentation
• Troubleshoot and debug applications
• Stay updated with emerging trends and technologies in Java development
• Work with other teams to deploy and maintain applications

Requirements:

• 3-7 years of experience in Java development
• Strong understanding of object-oriented programming principles
• Experience with Java, Spring framework, and related technologies
• Familiarity with databases, including SQL and NoSQL
• Knowledge of cloud computing is a plus
• Excellent problem-solving and debugging skills
• Strong communication and collaboration skills
• Ability to work independently and as part of a team
• Bachelor's degree in computer science or a related field

Key Skills:

• Strong proficiency in Java programming language
• Experience with Spring framework, including Spring Boot and Spring MVC
• Familiarity with cloud platforms such as AWS, GCP, and Azure
• Experience building RESTful APIs
• Knowledge of microservices architecture
• Familiarity with SQL and relational databases such as MySQL and Postgres
• Familiarity with NoSQL databases such as MongoDB and Redis
• Experience with messaging systems such as Kafka and RabbitMQ
• Experience with containerization tools such as Docker and Kubernetes
• Understanding of software development principles and experience with SDLC methodologies
• Experience with Git version control and build tools such as Maven and Gradle
• Familiarity with front-end technologies such as Angular and React is a plus
• Strong problem-solving and analytical skills
• Good communication and interpersonal skills
• Ability to work independently and take ownership of tasks
• Experience with test-driven development and unit testing frameworks such as JUnit and Mockito
• Familiarity with CI/CD tools such as Jenkins is a plus
• Familiarity with caching technologies such as Redis is a plus
• Working knowledge of design patterns and software architecture principles is a plus.

Job Description

Paytm is looking for hands-on technologists, who will be responsible for architecting & designing new age mobile & web 3.0 products at Paytm.

Key Responsibilities

 Incumbent will be architecting our futuristic mobile & web 3.0 products and choose the best

technologies, components and subsystems on different server side tech.

 Driving innovations in the product constantly to remain ahead of the curve.

 Serve as a thought leader and mentor on technical, architectural, design and related issues.

 Proactively identify architectural weaknesses and recommend appropriate solutions.

 Balance short-term versus long-term actions, strategic versus tactical requirements, while

continuing to move forward towards the strategic vision.

 Collaborate with cross functional teams to solve complex problems and building products

spanning across multiple teams to deliver end-to-end products & features.

 Estimates efforts, identify risks, devises and meets project schedules.

 Provide functional, design, and code reviews in related areas of expertise with-in team and

cross-team.

 Mentor / coach engineers to facilitate their development and provide technical leadership to

them. 

Skills required

 MS or BS/B.Tech in computer science or equivalent experience from top college.

 3+ years of strong software design/development experience in building massively large scale

distributed internet systems and products.

 Hands-on experience in Advanced Java/ Node.JS/other backend JavaScript

frameworks, MySQL/NoSQL, golang, etc.

 Excellent data structure & algorithm and problem solving skills.

 Experience and knowledge of open source tools & frameworks, broader cutting edge

technologies around server side development.

 Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github,

Google Developer Groups (GDGs).

 Superior organization, communication, interpersonal and leadership skills.

 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.

1. 2+ years of experience building REST APIs with Java
2. 1+ years of experience in maintaining REST APIs documentation.
3. 2+ years of experience programming and delivering in a production environment
4. Expertise working with data structures and algorithms
5. Proficiency in object-oriented programming and experience applying modern design patterns.