Java Developer

JOB DESCRIPTION

Experience: 3-8 years

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. - 3-8 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 the role:

We are seeking a highly motivated Senior Software Engineer with expertise in building scalable, extensible applications, identifying and addressing performance bottlenecks, collaborate with other team members to innovate current/new products; Identify, communicate and implement best practices for application engineering. Our engineering process is fully agile and has a really fast release cycles - which keeps our environment very energetic and fun.

What you’ll do:

• Architect, Design and build scalable applications.
• Work with Product Management teams to get maximum value out of existing data.
• Contribute to continual improvement by suggesting improvements software system.
• Ensure high scalability and performance
• You will advocate for good, clean, well-documented and performing code; define and follow standards and best practices for front-end development.
• Ability to deliver great results in an agile development
• Strong verbal and written communication skills

We’d love for you to have:

• Experience: 3-5 years of experience as a backend developer is required
• Education: B.Tech. in Computer Science from tier - 1 engineering colleges in India

• A self-starter who is passionate about problem solving across complex technology stack.
• Highly skilled back-end engineer using Object-Oriented programming preferably Java, exposure to open source libraries and frameworks.
• Strong knowledge and experience in REST based programming using Restlet framework.
• Ability and experience in evaluation and integration of third party systems and libraries.
• Experience in system architecture, data structures, algorithm design and their optimization.
• Passion for performance benchmarking and debugging.
• Strong knowledge of web standards (i.e. REST/SOAP) concepts
• Knowledge of version control (GIT) and databases (MySQL)
• Experience with the full software development lifecycle, design, develop, debug, document, and deliver (especially in a multiple location organization).
• Experience in Test-driven development.

What you will do?

Project Management

• Work with the product management team to create an engineering roadmap that aligns with the product roadmap. 
• Translate engineering roadmap into executable internal projects, and own the end-to-end execution of these projects.
• Plan, execute and deliver projects as per schedule, content, and quality metrics.
• Manage the day-to-day activities of the engineering team using Agile practices.
• Keep stakeholders continually updated on the progress of projects and operations.
• Track and report engineering health metrics (such as bugs by severity, production incidents etc.)

People Management

•  Hire and mentor a team of engineers
•  Manage learning and development, and performance of your team.
•  Own, Conceptualize and Build a tech-focused team

Technical Work

•  Core stakeholder to all technical design and architecture of team.
•  Review code, test plans, and deployment plans.
•  Focus and Strengthen all aspects of reliability

What we look for?

Must Haves

• Experience in telecom messaging software systems.
• Experience in distributed and scalable systems.
• Communication skills - excellent written and oral communication to present complex ideas/concepts in a clear and concise manner; communicating with key stakeholders with work/project progress.

Good to Have

• Experience in telecom messaging software systems.
• Experience in distributed and scalable systems.
• Communication skills - excellent written and oral communication to present complex ideas/concepts in a clear and concise manner; communicating with key stakeholders with work/project progress

• 3+ years of experience in the Development in JAVA technology.
• AWS or cloud Experience
• Strong Java Basics
• SpringBoot or Spring MVC
• Hands on experience on Relationl 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:

• 3+ 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.

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.

Roles and Responsibilities

• Production platform hands-on experience involving Node JS & REST API.

• Hands-on production platform experience working with micro-service back-end architecture.

• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.

• Well-versed in cloud deployment of code blocks.

• Experience with JS testing and code analysis frameworks such as Mocha.

• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.

• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.

• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.

• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.

• Utilize AWS S3 bucket for secure and scalable storage of data and media files.

• Collaborate with QA engineers to perform thorough testing and bug fixes.

• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.

Java Developer

As a senior technical member of the team, you will be expected to lead the team in the design, architecture, and implementation of high-quality, well-architected software products with a specific focus on cloud, distributed systems, scalability, elasticity and SLA rollups into each component. In this role, you are expected to interact with Senior Architects, Product Managers, Solution Architects and occasionally, with Partners and customers to discuss and collaborate on strategies for enhancing features and coming up with next-generation products. Critical thinking and strong leadership skills are a must as the candidate will be involved in leading a team and making crucial road map decisions.

The Work: What type of work will you be doing? What assignments, requirements, or skills will you be performing on a regular basis?

• 8+ years of hands-on experience with Java-based development projects using RESTful APIs, SpringBoot, horizontal scalability, microservices, high availability principles
• You master the entire life-cycle including research, design, application and deployment architecture, development, testing (dev owns quality), continuous deployment and continuous delivery up until to production.
• You will develop complex, highly available, distributed, cloud-based solutions, and maintain its high level of quality software.
• Solid background in OOP, object and data modelling using SQL and NoSQL databases
• Experience using containers, Kubernetes and developing services on AWS
• Monitor resource allocation, consumption, and performance.
• Engage in service software performance analysis and system tuning.
• Challenge yourself to walk in a different path and to deliver quickly while maintaining a high quality
• Experience with automation tools like Jenkins, GitLab CI
• Excellent communication skills essential

The primary responsibilities include:

• Responsible for the overall software development lifecycle.
• Management and execution against project plans and delivery commitments
• Drive effective, mature Agile practices and continuous execution improvements within your teams.
• Manage stakeholder planning and communications ensuring key outcomes
• Recruit, coach, and mentor the best engineering and management talent
• Build, coach, and manage a strong team of engineers that set the standard and can up-level the overall talent of the extended organization.
• Provide a strong understanding of native mobile developer platforms and bring broad thought leadership to the next generation mobile developer experience.
• Anticipate and aggressively remove obstacles that slow down or prevent products and programs from delivering on product and program objectives.
• Balance urgent and effective action, commitment to excellence, and taking the initiative to resolve problems; holds internal stakeholders accountable where appropriate.

REQUIRED

• 8+ years of industry experience with 2+ years of senior leadership experience.
• Solid track record of over-achieving engineering and platform delivery and scaling targets in high volume, innovative and fast-paced high-pressure environment; proven results in delivery on platform product.
• Deep understanding of one or more of Java/Python/Scala. Ability to understand and critique the core library/language constructs with skilled knowledge on UI technologies like Angular 2+, React, D3.JS
• Working experience with Agile methodologies and durable team concepts.
• Knowledge in DevOps practices and tools.
• Knowledge in Cloud Technologies, CI/CD, Jenkins, Testing methodologies is preferred.
• Experience in server-side services using ElasticSearch, Kafka
• A strong track record of project delivery for large, cross-functional, projects and bringing in and growing engineering talent
• Excellent written and verbal communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.

• 6+ years Java coding experience with immediate joiner
• Will be working closely with Product and Technology team
• Very good logical thinking and quick at learning and exploring new frameworks
• Hands-on with technology and providing POC
• Strong background culture of delivering projects with First time right and near-zero defects in production

Skill Sets: 

• Java Spring Boot 
• Micro Services architecture
• J2EE, JDBC, ORM Frameworks, JPA, NoSQL