Java Developer

Job Title: Java Developer

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. - 1 to 3 years.

Wissen Technology is hiring Java + Scala Developers with 1–3 years of experience. We are looking for candidates with strong hands-on skills in Java and Scala, good analytical abilities, and the capability to work in a dynamic environment.

Key Requirements:

• Experience in Java and Scala
• Strong understanding of core programming concepts
• Good problem-solving and debugging skills
• Must be available for immediate joining
• Should be open to face-to-face interviews in Bangalore or Mumbai

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 hassuccessfully 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.

Roles & Responsibilities

• Participated in requirement analysis, solution design, and technical discussions with business and cross-functional teams.
• Designed, developed, and maintained scalable Spring Boot microservices following RESTful API standards.
• Built and enhanced backend services using Java 8/11/17, Spring Boot, Spring MVC, Spring Data JPA, and Hibernate.
• Developed REST APIs for communication between distributed microservices.
• Implemented Spring Security with JWT/OAuth2 for authentication and authorization.
• Worked with Apache Kafka for asynchronous messaging and event-driven communication between microservices.
• Developed business logic and data processing modules using Scala for high-performance applications.
• Integrated applications with external systems and third-party APIs using REST and SOAP web services.
• Designed and optimized SQL queries, stored procedures, and database schemas in Oracle, MySQL, or PostgreSQL.
• Implemented service discovery, centralized configuration, and API Gateway using the Spring Cloud ecosystem (Eureka, Config Server, Gateway).
• Containerized applications using Docker and deployed microservices on Kubernetes/OpenShift environments.
• Built and maintained CI/CD pipelines using Jenkins, GitLab CI, or similar DevOps tools.
• Performed unit testing and integration testing using JUnit, Mockito, and Spring Test frameworks.
• Monitored application health and performance using ELK Stack, Splunk, Prometheus, or Grafana.
• Identified and resolved production issues, performed root cause analysis, and implemented preventive solutions.

Experience in Backend

Experience in Java ,Spring boot

Experience in Microservices

Experience in Data structure ,Algorithm

Mentoring teams to carry forward recognised and optimised solutions, building conducive environments for knowledge transfer and maintaining standards in terms of deliveries form a major part of responsibilities.

Responsibilities

• Design and develop robust scalable database systems
• Design, build and deploy internal applications to support our native technical ecosystem
• Collaborate with Subject-Matter experts to design data-driven modules for analysis

Qualifications

• Bachelor's or Master's degree in Computer Science, Information Systems, Engineering or equivalent
• 3-4 years of experience in Java

Skills

• Expertise in object-oriented programming concepts and data structures
• Strong knowledge of working with XMLs/Jsons
• Experience with large-scale distributed storage and database systems (MySQL, MongoDB, GraphDB)
• Good knowledge of indexing/search libraries like Lucene/Solr/Elasticsearch
• Exposure to Spring MVC architecture and RESTful APIs
• Well-versed with Agile methodology of SDLC
• Good to have: Knowledge of standard DevOps skills like Build tools (Maven/gradle), Continuous integration (Jenkins), Version Control (Github/Gitlab)

Responsibilities for Staff Engineer role:

• Having experience in Java along with Springboot, Micorservices, RDBMS
• Experience required: 6yrs to 8 yrs.

• The Architect/ Lead Backend Engineer will handle the digital experience from inception to go-live model.
• The role holder is expected to create a vision and roadmap for the digital experience to provide best in class customer experience for each of the product solutions handled.  The role holder will play a critical role in leading the innovation and growth of our front end web and mobile platforms.
• Must be from Good Companies and have been working on high Scale of Traffic
• Proficiency in engineering practices and writing high quality code, with expertise in either one of Java or Groovy or Go.
• 3+ years of experience building microservices.
• Strong experience in architecting and building distributed systems, scalability, and availability
• Strong knowledge of data structures, algorithms, and designing for performance
• Strong knowledge of cloud technologies like AWS/Google Cloud/Azure
• Good understanding of RxJava or Actors framework
• Proficient with RDBMS
• Strong knowledge on data stores, database design, data modelling and SQL queries
• Extensive experience building and owning large- scale distributed backend systems
• Experience working with three or more of : Unix/Linux environments, Distributed and parallel systems, Workflow automation, CI/CD Platform development, Cloud platforms development e.g. AWS/GCP, Kubernetes/Container platforms based development 

We are looking for a Java backend developer who would be working on the bleeding edge of technologies. We work primarily with a fully reactive stack powered by Spring Webflux and Reactive MongoDb Repository in AWS. Our services follow both event based approaches as well as workflow based depending on the use case.

Responsibilities

• Understand why a particular design was chosen and code accordingly
• Will have to deliver clean bug free unit tested code with minimal guidance
• Strive for continuous improvement by refactoring and applying best practices
• Learn and adapt to new technologies as necessary.
• Capable of working in both client side and server side technologies

Requirements

• Must have a Bachelor’s degree in computer science or equivalent
• Must have 2-3 years experience as a software developer
• Must be proficient in Core Java and Spring/Springboot. Knowledge of Webflux is not mandatory.
• Must have developed RESTful services
• Should understand git

Added Bonus

• Experience working with microservices
• Experience in a NoSql solution like MongoDB
• Experience working with Python

How would you leverage your technical expertise to create extraordinary impact for our clients?

ThoughtWorks is a global software consultancy with an aim to create a positive impact on the world through technology. Our community of technologists thinks disruptively to deliver pragmatic solutions for our clients' most complex challenges. We are curious minds who come together as collaborative and inclusive teams to push boundaries, free to be ourselves and make our mark in tech.

Our developers have been contributing code to major organizations and open source projects for over 25 years. They’ve also been writing books, speaking at conferences and helping push software development forward, changing companies and even industries along the way. 

You could influence the digital strategy of a retail giant, build a bold new mobile application for a bank or redesign platforms using event sourcing and intelligent data pipelines. You will use the latest Lean and Agile thinking, create pragmatic solutions to solve mission-critical problems and challenge yourself every day.

For a team to thrive, it needs active collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an ambitious tech vision and acting as mentors for more junior-level consultants. They leverage their deep technical knowledge to solve more complex business problems and actively assess their team’s health, code quality and nonfunctional pipelines. 

You’ll spend time on the following:

• You will use continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible.
• You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
• Create large-scale distributed systems out of microservices
• You will apply the latest technology thinking from our tech radar to solve client problems
• Efficiently utilize DevOps tools and practices to build and deploy software
• You will lead or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
• You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills 

Here’s what we’re looking for:

• You have at least 5 years of experience with two or more development languages such as Java, C#, or Ruby
• You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
• Presence in the external tech community: you proactively share your expertise with others via speaking engagements, contributions to open source, blogs and more
• Comfortability with Agile methods, such as Extreme Programming (XP), Scrum and/or Kanban
• You enjoy influencing others and always advocate for technical excellence while being open to change when needed 
• You’re willing and able to commit to travel to client sites in order to solve their business problems
• You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
• Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker