Java with XML developer

Job Summary

We are looking for a highly skilled Senior Java/Kotlin Developer with strong experience in Microservices Architecture and AWS Cloud. The ideal candidate should have hands-on expertise in designing, developing, and deploying scalable microservices-based applications using Java/Kotlin and AWS services.

Key Responsibilities

• Design and develop scalable, secure, and high-performance microservices using Java and/or Kotlin
• Build RESTful APIs using frameworks like Spring Boot / Spring Cloud
• Develop and deploy cloud-native applications on AWS
• Implement containerized applications using Docker and orchestrate using Kubernetes / EKS
• Work with messaging systems like Kafka / SQS
• Implement CI/CD pipelines using tools like Jenkins / GitHub Actions
• Ensure best practices in system design, code quality, testing, and security
• Collaborate with cross-functional teams (DevOps, QA, Product)
• Participate in code reviews and mentor junior developers

Required Skills

• 5+ years of strong experience in Java development
• Hands-on experience in Kotlin
• Strong knowledge of Microservices Architecture
• Experience with Spring Boot, Spring MVC, Spring Security
• Strong experience in AWS services such as:
• EC2
• S3
• RDS
• Lambda
• ECS/EKS
• API Gateway
• SQS/SNS
• Experience with Docker & Kubernetes
• Strong understanding of REST APIs and distributed systems
• Experience with relational databases (MySQL/PostgreSQL) and NoSQL (MongoDB/DynamoDB)
• Good understanding of design patterns and clean architecture
• Experience in Agile/Scrum methodology

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 

Skills Required:

• 7+ years of experience as software engineer.
• Experience in Dot.Net technologies - Asp.Net MVC, WebAPI, .NetCore
• Experience in ORM like Entity Framework /Dapper
• Experience with Object-Oriented Design and SOLID principles
• Experience with Unit Testing, Mocking and Dependency Injection frameworks
• Experience with SQL Server, NoSQL or other database technology
• Experience with software quality, testing procedures and build automation tools
• Knowledge of the Principles & Patterns of Agile Software
• Ability to understand and troubleshoot existing code and maintain existing systems.
• Ability to identity performance bottlenecks.
• Experience working with version control tools such as GIT and CI/CD tools.

💥 What will you do?

As a Backend Engineer, you will

• Create and maintain server-side code
• Designing database schemas to support business requirements
• Building reusable code and libraries for future use
• Troubleshoot and debug applications
• Write unit tests
• Stay up to date with current best practices
• Collaborate with front end engineers
• Optimization of the application for maximum speed and scalability
• Work with stakeholders including the Executive, Product, Data, and Design teams to assist with web-application-related technical issues and support their requirements.

🙋 What are we looking for? 

While we do not have a strict list of requirements for candidates interested in this role, some indicators that you would fit this role and our engineering culture are 

• 2+ years of relevant work experience as a Backend engineer using Python frameworks like Django, Flask, etc
• Experience with relational databases like MySQL, PostgreSQL
• Good understanding of OOP concepts
• Understanding of code versioning tools, such as Git
• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
• Experience writing unit tests for the application is a plus
• Experience with building REST APIs
• Superior analytical, conceptual, and problem-solving skills.
• Strong verbal and written communication skills in English.

Responsibilities : 

• Design and develop scalable, high performance, and reliable API driven services/applications in Java language that operate whole day.
• Produce high quality software that is unit tested, code reviewed, and checked in regularly for continuous integration.
• Interact with both business, financial research, and technical stakeholders to deliver high quality products and services that meets/exceeds business, customer, and technical requirements.
• Own products and code from cradle to grave including production quality/performance monitoring.

Required Skills :

• Experience building and running high performance enterprise applications developed in Java language.
• Hands on experience developing Java web applications built with modern standards-based APIs including Java based REST APIs and implementations. 
• Experience in Java language APIs, Spring technologies, Hibernate, JDBC, RDBMS and NoSQL based data persistence.
• Experience developing solutions on AWS Cloud leveraging AWS Lambda, S3, DynamoDB, Cloud Formation, and other related AWS technologies. 
• Solid understanding of Domain Modeling with Relational and Non-Relational Databases.
• Excellent debugging and problem-solving skills, including ability to diagnose and fix performance and scalability issues.
• Experience working in an agile methodology-based development environment.
• Excellent written and verbal communication skills.
• BS/B.Tech/M.Tech in Computer Science or a related field.

Java Elastic Search

• Java Microservices ELK stack(Elasticsearch, Logstash, Kibana, Beats, X-Pack, APM),
• Build Custom Reports

Java + NodeJS

• Java with Node.js- Microservices Development,
• Using graphql with node.js,
• Backend development with Node.JS

Java Microservices

• Working experience in Java and spring boot (microservices)
• Strong understanding of OOPs concepts
• Proficient in API design and development using RESTful services
• Knowledge and understanding of design principles behind building a scalable application
• Source code management using git

Be Part Of Building The Future

Dremio is the Data Lake Engine company. Our mission is to reshape the world of analytics to deliver on the promise of data with a fundamentally new architecture, purpose-built for the exploding trend towards cloud data lake storage such as AWS S3 and Microsoft ADLS. We dramatically reduce and even eliminate the need for the complex and expensive workarounds that have been in use for decades, such as data warehouses (whether on-premise or cloud-native), structural data prep, ETL, cubes, and extracts. We do this by enabling lightning-fast queries directly against data lake storage, combined with full self-service for data users and full governance and control for IT. The results for enterprises are extremely compelling: 100X faster time to insight; 10X greater efficiency; zero data copies; and game-changing simplicity. And equally compelling is the market opportunity for Dremio, as we are well on our way to disrupting a $25BN+ market.

About the Role

The Dremio India team owns the DataLake Engine along with Cloud Infrastructure and services that power it. With focus on next generation data analytics supporting modern table formats like Iceberg, Deltalake, and open source initiatives such as Apache Arrow, Project Nessie and hybrid-cloud infrastructure, this team provides various opportunities to learn, deliver, and grow in career. We are looking for innovative minds with experience in leading and building high quality distributed systems at massive scale and solving complex problems.

Responsibilities & ownership

• Lead, build, deliver and ensure customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product.
• Work on distributed systems for data processing with efficient protocols and communication, locking and consensus, schedulers, resource management, low latency access to distributed storage, auto scaling, and self healing.
• Understand and reason about concurrency and parallelization to deliver scalability and performance in a multithreaded and distributed environment.
• Lead the team to solve complex and unknown problems 
• Solve technical problems and customer issues with technical expertise
• Design and deliver architectures that run optimally on public clouds like  GCP, AWS, and Azure
• Mentor other team members for high quality and design 
• Collaborate with Product Management to deliver on customer requirements and innovation
• Collaborate with Support and field teams to ensure that customers are successful with Dremio

Requirements

• B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
• Fluency in Java/C++ with 8+ years of experience developing production-level software
• Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models, and their use in developing distributed and scalable systems
• 5+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
• Hands-on experience  in query processing or optimization, distributed systems, concurrency control, data replication, code generation, networking, and storage systems
• Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
• Passion for learning and delivering using latest technologies
• Ability to solve ambiguous, unexplored, and cross-team problems effectively
• Hands on experience of working projects on AWS, Azure, and Google Cloud Platform 
• Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure, and Google Cloud) 
• Understanding of distributed file systems such as  S3, ADLS, or HDFS
• Excellent communication skills and affinity for collaboration and teamwork
• Ability to work individually and collaboratively with other team members
• Ability to scope and plan solution for  big problems and mentors others on the same
• Interested and motivated to be part of a fast-moving startup with a fun and accomplished team