Backend Developer - Java

Company Name – Client Freshworks,Location : Perungudi Chennai (Hybrid)

• Strong written/verbal communication skills

• Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

•  Good knowledge of the JVM with an understanding of performance and memory optimization.

•  Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

•  Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

•  Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

•  Expert level understanding of Object-Oriented Concepts and Data Structures

•  Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

Required Skills & Experience

• Must have 8+ years relevant experience in Java Design Development.
• Extensive experience working on solution design and API design.
• Experience in Java development at an enterprise level (Spring Boot, Java 17+, Spring Security, Microservices, Spring).
• Extensive work experience in monolithic applications using Spring.
• Extensive experience leading API development and integration (REST/JSON).
• Extensive work experience using Apache Camel.
• In-depth technical knowledge of database systems (Oracle, SQL Server).
• Ability to refactor and optimize existing code for performance, readability, and maintainability.
• Experience working with Continuous Delivery/Continuous Integration (CI/CD) pipelines.
• Experience in container platforms (Docker, OpenShift, Kubernetes).
• DevOps knowledge including:
• Configuring continuous integration, deployment, and delivery tools like Jenkins or Codefresh
• Container-based development using Docker, Kubernetes, and OpenShift
• Instrumenting monitoring and logging of applications

⚠️ Important Note (Please Read Before Applying):

• Only candidates with 5–8 years of relevant experience should apply.
• Freshers or candidates with less than 5 years of experience – please do not apply.
• Only immediate joiners or candidates currently serving notice will be considered.

Job Title: Java Developer (5–8 Years)

Location: Bangalore (Hybrid Mode)

Experience: 5 to 8 years

Joining: Immediate / Notice Serving Only

About the Role:

We are looking for passionate and highly skilled Java Developers to join our dynamic team in Bangalore. The ideal candidate will have strong expertise in Java, Spring Boot, Collections, Multithreading, and Data Structures & Algorithms (DSA), with proven problem-solving abilities.

Key Responsibilities:

• Design, develop, and maintain high-performance, scalable, and secure applications.
• Work with Spring Boot and related frameworks to build microservices-based solutions.
• Optimize code using Collections & Multithreading concepts for performance and reliability.
• Apply strong DSA and problem-solving skills to deliver efficient solutions.
• Collaborate with cross-functional teams to ensure timely delivery of high-quality software.
• Troubleshoot, debug, and resolve production issues efficiently.

Required Skills & Experience:

• 5–8 years of hands-on experience in Core Java and Spring Boot.
• Strong expertise in Collections, Multithreading, and Concurrency.
• Solid understanding of DSA, Algorithms, and System Design fundamentals.
• Experience in developing REST APIs and Microservices.
• Proficiency in writing clean, maintainable, and efficient code
• .Strong analytical and problem-solving skills.

Why Join Us?

• Opportunity to work on cutting-edge projects with modern architectures.
• Hybrid work setup in Bangalore.
• Fast-paced and growth-driven environment.

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. - 5-8 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 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.

Summary

Miko is an advanced consumer robotics innovation lab focused with the mission of Bringing Robotics and AI to every consumer home. Founded by young and dynamic entrepreneurs from IIT Bombay, Miko is a global deep tech company with offices in US, UK and India, and customer base across 140+ countries. Focused on taking Robotics and AI to every consumer home, Miko is the first of its kind "content on subscription" hardware platform for kids powered by patented technology. 

Our flagship products, Miko 3 and Miko Mini (www.miko.ai), are playful companion robots that engage, educate and entertain kids. Their unique approach is to focus on child learning and development through self-initiated contextual topics that encourage conversational learning. It hosts a powerful marketplace for third party content partners to plug their content and connect with Miko users on subscription. 

Miko is powered by a proprietary emotional intelligence and adaptive personality engine, complex conversational and multilingual AI framework, edge and hybrid speech & vision recognition along with an active learning and behavioral analysis engine. All of this is built over an autonomous navigation system, which enables Miko to offer a range of benefits for the user. 

The team at Miko team is an interdisciplinary team consisting of team members from electronics, embedded system, mechanical, industrial, robotics and AI engineering domains, Human Robot Interface designers, UI/UX designers, mobile and cloud software engineers, content creators, artists, mathematicians, neuropsychologists, marketing and sales mavericks, Customer support professionals and knowledge partners. 

The Role

We are looking for a middleware software engineer to join the team. In this role you will be working on designing, developing and optimizing the middleware stack for current as well as new companion robot products.

Work Experience & Qualifications

2 years or higher industry experience in the Software domain. No restrictions on degree/qualifications; only skills matter. (* for Junior role)

Responsibilities

• Designing and developing software on the product to enhance current functionality and add new features. Lead the technical delivery of assigned tasks/projects.
• Consistent coordination and collaboration with the Backend, AI, Product and QA team for efficient development cycles and testing for new features and improvements.
• Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules
• Ability to diagnose, troubleshoot and perform root cause analysis of critical business and production issues
• Strong technical leadership with experience building software engineering teams. Demonstrate strong ambiguity resolution skills to be able to break down ambiguous problems into simpler milestones and delegate to junior engineers

Requirements & Skills

• 2+ years of experience as a Software Engineer
• Expertise in C/C++ and Java
• Strong understanding of environment management, release management, code versioning best practices, and deployment methodologies.
• Experience with implementing various communication protocols like I2C, SPI, UART
• Experience working on Embedded Linux OS and Android
• Demonstrated experience in developing multi-threaded applications
• Experience with IPC including socket programming
• Should have hands on experience and thorough knowledge in STL, BOOST understanding of data structures and algorithms
• Experience with using Git as a version control system
• Excellent coding and debugging skills
• Ability to work in a fast paced environment
• Excellent verbal and written communication skills

Required Skills:

• 3+ year of experience in Development in JAVA technology.
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Any Caching Mechanism
• Good at problem solving

Good to Have Skills:

• 4+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem solving skills.
• Ability to work in a fast paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding of AI/ML algorithms is a plus.

Responsibilities

• Ideate, execute & take ownership of complete project from scratch
• Create and design User-focused focused SAAS with high end experience  
• Optimize existing architecture for performance, scalability & functionality 
• Generate modular & clean codes 
• Deploy & maintain project’s infrastructure with zero downtime 

Skill Sets

• Sharp communication skills 
• Fluent in Problem Solving, Data Structures And Algorithms
• Strong in Java Spring Boot & Python Django languages & frameworks
• Experience with database design & familiar with RDBMS database like Postgresql as well as no SQL databases 
• Good with writing unit test cases & integration test cases 
• Well versed in writing Asynchronous codes or technologies
• Exposed to various AWS technologies like EC2, Cognito, API Gateway,ECS etc.
• Exposed to Pub-sub technologies like SQS,Kafka, RabbitMQ, etc. 
• Familiar with caching tools like Redis, HazleCaste, etc. 
• Exposure to DevOps and Big Data is a plus.

• Extensive experience in developing Java EE application
• Hands-on experience working with Spring, Spring Boot
• In-depth knowledge of relational and NoSQL databases.
• Experience working with Java Web Services, RESTful services 
• Experience using Redis, Memcached or any other caching system
• Experience working with message brokers– preferably RabbitMQ
• Experience with infrastructure automation technologies like Docker, Kubernetes.
• Experience with build automation technologies like Maven, Gradle.