Hiring for Backend Engineer (Java Developer) | Bangalore

Java GS Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the 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. - 2- 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. 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. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • 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 Java GS 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 

We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.

Key Responsibilities:

• Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
• Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
• Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
• Collaborate with cross-functional teams to define, design, and implement new features and improvements.
• Troubleshoot and resolve issues related to system performance, scalability, and reliability.
• Ensure software quality through best practices, including testing, code reviews, and continuous integration.
• Implement and maintain security best practices in both code and data handling.
• Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.

Required Skills & Qualifications:

• 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
• Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
• Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
• Experience with microservices architecture and RESTful APIs.
• Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
• Strong understanding of distributed systems, message-driven architectures, and event streaming.
• Familiarity with version control systems like Git.
• Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
• Experience with CI/CD pipelines and automated testing.

Function: Technology

Purpose of the Job:

The Developer will be part of a cross-functional Scrum team responsible for designing, developing, and testing diverse features of Airtel Payments Bank agile stream. Payments bank values software engineers who are motivated, creative, passionate and positive. You must be comfortable working closely with others and have solid communication skills. Software engineers who learn quickly and have strong technical skills will thrive at Airtel Payments Bank. You must have considerable experience with object-oriented programming and should be familiar with design patterns, data structures, database and other staples of practical software development

Key Deliverables :

• Research, design, implement and managing software programs
• Test and evaluate new programs
• Identify the areas for modification in existing programs and subsequently developing these modifications
• Writing and implementing efficient code
• Determining operational practicality
• Deploying software tools, processes and metrics
• Maintaining and upgrading existing systems

Skills Required:

• Should have experience of working on Core Java/J2EE & OOPS concept
• Should be well versed with Spring/Struts & Apache Camel (OSGI Framework)
• Should have a good understanding of Hibernate and Other ORMs
• Technical design, implementation, deployment, and support.
• Perform development and unit testing, working closely with Business.
• Web Service (SOAP/REST) , Maven
• Build tool such as Jenkins
• Caching Technique(Radis, Hazlecast, aerospike)
• Database Knowledge - Oracle, MySQL

Qualification: Technical background (BS/MS in Computer Science/Engineering or related discipline/experience)

Work Experience: 3 to 5 years 

Official Notice Period – Immediate to 15 days ONLY

Excellent communication skills

Job Location – Mumbai

Mandatory Skills – Java 8, Spring boot, Hibernate, Microservices, Angular

Job Description

We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business. We are building out a team and looking for multiple levels but you should have at least 4-6 years of programming experience.

Key Responsibilities

         Build high availability and extreme reliable high volume transactional systems.

         Deliver reliable solutions that handle massive data and high traffic.

         Complete ownership of problem-free execution of owned modules and solutions.

         Focus on code optimization, code quality, maintainability etc.

         Team Handling.

Skills required

         MS or BS/B.Tech / MCA in computer science.

         Hands-on experience in Core J2EE or Core Java (collection, multithreading).

         Proficiency in Struts 2.0 & Springs, Hibernate, JDBC, JSP, Servlets , JMS / Radius, Redis , Microservices , 

         Strong working knowledge of Databases – MySQL, OS - Linux.

         Experience and knowledge of open source tools & frameworks, broader cutting edge          technologies around server side development.

         Excellent data structure & algorithm and problem solving skills.

         Customer-focused, react well to changes, work with teams and able to multi-task.

         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.

Note: Must have worked on Payment Gateway Development.

Must be willing to work in a startup fast paced environment.

Joining : Immediate

Job Summary:

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.

/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.

Our client is looking out for an Associate Architect who has strong experience in to Technology

You will be involving in design, coding &scaling the product.

Collaborate with cross functional teams to solve complex problems.
You will be designing large scale distributed system.

Requirements:

8+ years of hands-on experience in developing, designing & scaling complex systems

Programming experience in Java, spring, Hibernate and MongoDb, micro services