Java Developer

Job Title: Java Developer (Code Craftsperson)

Location: Chennai (Work From Office – Let’s build something amazing together!)

Experience: 2-4 years (You’ve been crafting high-quality Java applications like a pro!)

About the Company:

F22 Labs is a startup software studio based out of Chennai. We are the rocket fuel for other startups across the world, powering them with extremely high-quality software. We help entrepreneurs build their vision into beautiful software products (web/mobile). If you're into creating beautiful software and solving real problems, you’ll fit right in with us. Let’s make cool things happen!

Position Overview:

If you can write clean, maintainable, and efficient Java code, we want you! As a Java Developer at F22 Labs, you’ll be responsible for developing high-performance, scalable applications using core Java and cutting-edge technologies like Spring, Hibernate, and microservices. You’ll get the chance to work on exciting projects, collaborate with brilliant minds, and contribute to building top-notch software solutions. Ready to jump in? Let’s do this!

Key Responsibilities:

• Design, develop, and maintain robust Java-based applications that scale.
• Collaborate with the design, product, and backend teams to deliver high-quality software.
• Build microservices-based architectures using modern tools and techniques.
• Integrate and consume RESTful APIs to connect various services and systems.
• Write clean, efficient, and maintainable code to ensure long-term quality.
• Develop and manage database interactions using Hibernate/JPA for efficient data persistence.
• Troubleshoot, debug, and optimize applications to ensure seamless user experiences.
• Stay current with the latest Java frameworks and technologies.
• Collaborate with the QA team to ensure every release is flawless and fully tested.

Mandatory Skills:

• Core Java (Java 8 or later) – Expertise in Java programming and understanding of object-oriented principles.
• SQL & Database Management – Strong experience with relational databases like MySQL, PostgreSQL, Oracle, etc.
• Hibernate / JPA – Hands-on experience with Hibernate and JPA for ORM-based data persistence.
• RESTful APIs – In-depth knowledge of designing and consuming RESTful APIs.
• Spring Framework – Solid expertise in Spring Boot, Spring MVC, and Spring Security.

Good to Have Skills (Bonus Points!):

• Microservices Architecture – Experience in building and deploying microservices-based applications.
• Version Control – Familiarity with Git, GitHub, GitLab, or Bitbucket.
• Build Tools – Experience with Maven or Gradle for automated build processes.
• Unit Testing – Knowledge of JUnit and Mockito for unit testing.
• Cloud Platforms – Basic knowledge of cloud platforms such as AWS, Azure, or GCP.

Why Join Us (Perks & Benefits):

• Health insurance – Your well-being is our priority.
• Flexible work timings – Work when you're at your best.
• Better-than-market compensation – We value your expertise and skills.
• Supercharged learning culture – Become the best version of yourself with us.
• Rapid career growth – Your potential is limitless here.
• Work with a collaborative, innovative team that loves tackling challenges and building world-class software.
• Learn and grow – Work with brilliant minds and share your knowledge too!

Selection Process:

1. Online Assessment
2. 1-2 rounds of technical interviews (Let’s talk about your Java expertise and problem-solving skills!)

Position Overview:

We are seeking a skilled Java Developer to join our dynamic team. The ideal candidate will have a strong foundation in Core Java and extensive experience in developing and deploying applications using Spring Boot, Apache Tomcat, and other related technologies. The candidate should possess expertise in building Restful Web Services, Microservices architecture, and be proficient in implementing multi-threading concepts.

Additionally, experience with Maven, Git, Jenkins, and Agile Scrum methodologies is essential for this role. The candidate should also have a solid understanding of software development lifecycle (SDLC) processes. Familiarity with various databases such as MySQL, PostgreSQL, Oracle, or MongoDB, along with third-party API integration and payment gateway integration, is required.

Key Responsibilities:

• Develop, test, deploy, and maintain Java-based applications.

• Design and implement Restful Web Services and Microservices using Spring Boot.

• Utilize multi-threading concepts to enhance application performance.

• Integrate third-party APIs and payment gateways into applications.

• Collaborate with cross-functional teams to gather requirements and deliver high-quality solutions.

• Participate in Agile Scrum ceremonies and contribute to sprint planning, backlog grooming, and retrospectives.

• Ensure adherence to best practices and coding standards.

• Conduct code reviews and provide constructive feedback to peers.

• Troubleshoot and debug complex issues in production environments.

• Document design decisions, processes, and procedures.

Required Qualifications:

• Bachelor’s degree in computer science, Engineering, or related field.

• Minimum 3 years of experience as a Java Developer with expertise in Core Java.

• Strong knowledge of Spring Boot, Apache Tomcat, and multi-threading concepts.

• Hands-on experience in building Restful Web Services and Microservices architecture.

• Proficiency in using Maven, Git, and Jenkins for build and deployment processes.

• Familiarity with Agile Scrum methodologies and SDLC processes.

• Experience working with databases such as MySQL, PostgreSQL, Oracle, or MongoDB.

• Demonstrated ability to integrate third-party APIs and payment gateways.

• Excellent problem-solving and analytical skills.

• Effective communication and collaboration skills.

• Familiarity with NoSQL databases like MongoDB.

• Knowledge of Azure DevOps for CI/CD pipelines

Responsibilities:

• Participation in the requirements analysis, design, development and testing of applications.
• The candidate is expected to write code himself/herself.
• The candidate is expected to write high level code, code review, unit testing and deployment.
• Practical application of design principles with a focus on the user experience, usability, template designs, cross browser issues and client server concepts.
• Contributes to the development of project estimates, scheduling, and deliverables.
• Works closely with QA team to determine testing requirements to ensure full coverage and best quality of product.
• There is also the opportunity to mentor and guide junior team members in excelling their jobs.

Requirements:

• BE/B. Tech. Computer Science or MCA from a reputed University.
• 3.5 - 6.5 Years of experience in software development, with emphasis on JAVA/J2EE Server side programming.
• Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO, webservices and Design patterns.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks ESB etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.

Job Description

Wissen Technology is now hiring for a Java Developer - Mumbai/Bangalore with hands-on experience in Core Java, multi-threading, algorithms, data structure and SQL skills.

We are solving complex technical problems in the financial industry and need talented software engineers to join our mission and be a part of a global software development team.

A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.

Required Skills:

• Exp. - 3 to 10 years.
• Experience in Core Java 5.0 and above,Spring.
• Extensive experience in developing enterprise-scale n-tier applications for financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS, preferably Sybase database.
• Good knowledge of multi-threading and high-volume server-side development.
• Experience in sales and trading platforms in investment banking/capital markets.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills in Java.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Role: Backend Developer-SDE2

• 3-5 years of exp into

Responsibilities:

• Work on the development backend systems for our first product.
• Build reliable, secure and performant backend systems.
• Drive test coverage and continuous delivery automation within the team.

Requirements:

• 3-4 years of software development experience.
• Strong computer science fundamentals.
• Good knowledge of Java ecosystem.
• Can write code that is readable, maintainable and performant.
• Good understanding of relational databases, transactions, entity-relationship modeling.
• Comfortable writing multi-threaded programs.