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. - 5 to 12 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. 

We are seeking an experienced and highly skilled Java (Fullstack) Engineer to join our team.

The ideal candidate will have a strong background in both Back-end JAVA, Spring-boot, Spring Framework & Frontend Javascript, React or Angular with ability to salable high performance applications.

Responsibilities

• Develop, test, and deploy scalable and robust backend services Develop, test & deploy scalable & robust back-end services using JAVA & Spring-boot
• Build responsive & user friendly front-end applications using modern Java-script framework with React
• or Angular
• Collaborate with architects & team members to design salable, maintainable & efficient systems.
• Contribute to architectural decisions for micro-services, API’s & cloud solutions.
• Implement & maintain Restful API for seamless integration.
• Write clean, efficient & res-usable code adhering to best practices
• Conduct code reviews, performance optimizations & debugging
• Work with cross functional teams, including UX/UI designers, product managers & QA team.
• Mentor junior developers & provide technical guidance.

Skills & Requirements

• Minimum 5 Years of experience in backend/ fullstack development
• Back-end - Core JAVA/JAVA8, Spring-boot, Spring Framework, Micro-services, Rest API’s, Kafka,
• Front-end - JavaScript, HTML, CSS, Typescript, Angular
• Database - MySQL

Preferred

• Experience with Batch writing, Application performance, Caches security, Web Security
• Experience working in fintech, payments, or high-scale production environments

The Senior Software Developer is responsible for development of CFRA’s report generation framework using a modern technology stack: Python on AWS cloud infrastructure, SQL, and Web technologies. This is an opportunity to make an impact on both the team and the organization by being part of the design and development of a new customer-facing report generation framework that will serve as the foundation for all future report development at CFRA.

The ideal candidate has a passion for solving business problems with technology and can effectively communicate business and technical needs to stakeholders. We are looking for candidates that value collaboration with colleagues and having an immediate, tangible impact for a leading global independent financial insights and data company.

Key Responsibilities

• Analyst Workflows: Design and development of CFRA’s integrated content publishing platform using a proprietary 3rd party editorial and publishing platform for integrated digital publishing.
• Designing and Developing APIs: Design and development of robust, scalable, and secure APIs on AWS, considering factors like performance, reliability, and cost-efficiency.
• AWS Service Integration: Integrate APIs with various AWS services such as AWS Lambda, Amazon API Gateway, Amazon SQS, Amazon SNS, AWS Glue, and others, to build comprehensive and efficient solutions.
• Performance Optimization: Identify and implement optimizations to improve performance, scalability, and efficiency, leveraging AWS services and tools.
• Security and Compliance: Ensure APIs are developed following best security practices, including authentication, authorization, encryption, and compliance with relevant standards and regulations.
• Monitoring and Logging: Implement monitoring and logging solutions for APIs using AWS CloudWatch, AWS X-Ray, or similar tools, to ensure availability, performance, and reliability.
• Continuous Integration and Deployment (CI/CD): Establish and maintain CI/CD pipelines for API development, automating testing, deployment, and monitoring processes on AWS.
• Documentation and Training: Create and maintain comprehensive documentation for internal and external users, and provide training and support to developers and stakeholders.
• Team Collaboration: Collaborate effectively with cross-functional teams, including product managers, designers, and other developers, to deliver high-quality solutions that meet business requirements.
• Problem Solving: troubleshooting efforts, identifying root causes and implementing solutions to ensure system stability and performance.
• Stay Updated: Stay updated with the latest trends, tools, and technologies related to development on AWS, and continuously improve your skills and knowledge.

Desired Skills and Experience

• Development: 5+ years of extensive experience in designing, developing, and deploying using modern technologies, with a focus on scalability, performance, and security.
• AWS Services: proficiency in using AWS services such as AWS Lambda, Amazon API Gateway, Amazon SQS, Amazon SNS, Amazon SES, Amazon RDS, Amazon DynamoDB, and others, to build and deploy API solutions.
• Programming Languages: Proficiency in programming languages commonly used for development, such as Python, Node.js, or others, as well as experience with serverless frameworks like AWS.
• Architecture Design: Ability to design scalable and resilient API architectures using microservices, serverless, or other modern architectural patterns, considering factors like performance, reliability, and cost-efficiency.
• Security: Strong understanding of security principles and best practices, including authentication, authorization, encryption, and compliance with standards like OAuth, OpenID Connect, and AWS IAM.
• DevOps Practices: Familiarity with DevOps practices and tools, including CI/CD pipelines, infrastructure as code (IaC), and automated testing, to ensure efficient and reliable deployment on AWS.
• Problem-solving Skills: Excellent problem-solving skills, with the ability to troubleshoot complex issues, identify root causes, and implement effective solutions to ensure the stability and performance.
• Communication Skills: Strong communication skills, with the ability to effectively communicate technical concepts to both technical and non-technical stakeholders, and collaborate with cross- functional teams.
• Agile Methodologies: Experience working in Agile development environments, following practices like Scrum or Kanban, and ability to adapt to changing requirements and priorities.
• Continuous Learning: A commitment to continuous learning and staying updated with the latest trends, tools, and technologies related to development and AWS services.
• Bachelor's Degree: A bachelor's degree in Computer Science, Software Engineering, or a related field is often preferred, although equivalent experience and certifications can also be valuable.

• Job Description below :                                        
• 
  
• Required Skill Set
• 
  
• Software Engineer/Senior Software Engineer/Lead Engineer-Java            
• Experience in Core Java 5.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux 
• Possess good architectural knowledge and be aware of enterprise application design patterns. 
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications. 
• Good development experience with RDBMS 
• Good knowledge of multi-threading and high-volume server side development 
• 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. 

Job Brief-                                                                                                

·       Understand product requirements and come up with solution approaches 

·       Build and enhance large scale domain centric applications 

·       Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines

• Design, develop, code and test the solution

• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES) 

• 5-10 yrs of industry experience

• Energetic self-starter, with a desire to work in a startup environment

• Proficient in advanced Java programming skills

• Expert in Application development cloud/on premise end to end. Middle layer, DB layer.

• Nice to have understanding on MQ (e.g. Kafka)

• Good hands on in Complex Event Processing systems

• Solved scale and performance issues while dealing with huge sets of data. Pre compute or data aggregation frameworks to achieve good response time

• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES)

• Experience of debugging applications running on Unix like systems (e.g. Ubuntu, CentOS)

• Experience developing RESTful APIs for complex data sets

• Knowledge of container based development & deployment (e.g. Dockers, K8s)

• Expertise in software security domain, a plus

• Experience in either of these Relational DB’s MS SQL Server / PostgreSQL / AWS Aurora DB / MySQL / Oracle / NOSQL DBs (MongoDB / DynamoDB / DocumentDB) in an application development environment and eagerness to switch DB.
• Design database tables, views, indexes
• Write functions and procedures for Middle Tier Development Team
• Work with any front-end developers in completing the database modules end to end (hands-on experience in parsing of JSON & XML in Stored Procedures would be an added advantage).
• Query Optimization for performance improvement
• Design & develop SSIS Packages or any other Transformation tools for ETL

• Banking / Insurance / Retail domain would be a plus.
• Interaction with a client a plus

• Knowledge in a Cloud Platform (AWS / Azure)
• Knowledge on version control system (SVN / Git)
• Exposure to Quality and Process Management
• Knowledge in Agile Methodology

• Team building (attitude to train, work along, mentor juniors)
• Communication skills (all kinds)
• Quality consciousness
• Analytical acumen to all business requirement
• Think out-of-box for business solution

• New features developed independently with the ability to document the design after understanding and evaluating the requirements with necessary groundwork on required application components
• Hands-on coding to implement the design for feature completion
• Able to write unit tests that ensures bug free code
• Able to handle the multi-tenant and performance requirements of the new features and applications.
• Integrate the new features with existing modules, deliver ready to use code meeting necessary build requirements and CI/CD requirements.
• Work with other functional groups for product, technology, QA, tech support and deployment team.

‍

The ideal candidate must have the following qualifications.

• BE/B.Tech Degree from a reputed institution with at least 7 years of relevant experience
• Hands-on experience with Core Java, J2EE with a good knowledge of its ecosystem
• Experience with JUnit, JMH like performance tuning test tools preferred
• REST API design and development experience. Usage of Swagger or other API spec tools would be preferred. Working knowledge on Spring Boot is a plus
• Hands-on experience with some of the following application components is a plus: Solr, Kafka, OpenTSDB, Elasticsearch, Janus graph or any graph DB.
• Experience with databases such as MongoDB, MySQL or PostgreSQL required.
• Familiarity with continuous integration and build tools such as Jenkins or CircleCI, Maven, Ant required
• Experience building applications using microservices architecture is highly preferred. Knowledge of Kubernetes, Docker would be ideal
• Working knowledge on public clouds like AWS or Google cloud or Azure is a plus
• Experience building scalable systems
• Strong problem solving skills and ability and interest to solve complex problems
• Interest in machine learning (ML) data science is a plus

The ideal candidate will be responsible for developing high-quality applications. They will also be responsible for designing and implementing testable and scalable code. 

Responsibilities

• 2-5 years experience.
• Experience with user interface design, database structures and statistical analyses.
• Analytical mindset and good problem-solving skills.
• Good organisational skills.
• Excellent written and verbal communication.
• Ability to work as part of a team
• Object Oriented analysis and design using common design patterns.
• Proven working experience in Java development
• Experience with test-driven development

Qualifications

• Bachelor's degree or equivalent experience in Computer Science or related field
• Development experience with programming languages

Skills Required - Java, javascript, Web technologies - Servlet, HTML, CSS, Development using IDE's.

About the Company - Bandhoo's mission is to help increase income opportunities for construction Workers and Contractors.

India has nearly 70 million construction workers - masons, painters, welders, electricians, plumbers, crane operators, JCB operators, bar benders - doing short gigs across a wide spectrum of projects. Many sectors use them - Real Estate, Factory construction, Power Plants, Infrastructure, etc. More than 30% of these workers are migrant and nomadic.

Bandhoo's mission is to help make this labour market transparent and efficient, thereby helping Contractors find workers more easily, and workers find jobs more conveniently. This venture has the potential to deliver significant social impact and that remains a driving motivation for the Bandhoo team.

Please find the JD Below:

Job title- ATL/Technical Lead

Experience

1. Must have experience
   1. Extensive product development experience
   2. 5-10 years experience in back end Java Development
   3. Possess advanced knowledge of object-oriented design and development (OOA/OOD). 
   4. Team task assignment, mentoring and helping resolve issues 
   5. Self-starter, ability to work with minimal supervision.
   6. Skilled at working collaboratively in a team-oriented environment. 
   7. Excellent problem-solving skills. Curious and adept at researching project-related issues and challenges.
   8. Excellent debugging skills

1. Good to have
   1. Experience in SOA and microservice deployment model.
   2. GWT development experience
   3. Experience of working in an Agile development model
   4. Mixed experience in different type of organizations - product start up and large enterprises

Other Skills

1. Strong Analytical skills
2. Acumen for understanding customer's business goals
3. Process oriented- Following current processes and partner in process improvement.
4. Data oriented- Using data and knowledge base for solving current problem at hand and creating software knowledge base for future use.
5. Ability to juggle multiple development and design tasks simultaneously.

• Well versed in Core Java, OOPs concepts, collections, multi-threading, concurrency, lambdas, and streams.
• Hands-on knowledge of Spring Core, MVC, JPA, Security, transaction
• Working knowledge of REST API designing as well as development, using Spring.
• Exposure to Spring Boot, Docker, Kubernetes, OpenShift for the microservices environment.
• Savvy with SQL and database concepts.
• Ability to use frameworks like JUnit, Mockito, etc., for implementing unit testing.
• Sound understanding of code versioning tools, such as Git/bit bucket with Maven.
• Should have worked in a CI/CD environment with TeamCity/Jenkins.