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. - 5-8 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.

Position: Sr. Java Developer

Qualification: BE, B. Tech, MCA, M. Tech

Experience: 6+ Years

Skills:

Java 8+, Microservices, Spring Boot, Nosql, Kubernetes, AWS, REST

Job Role and Responsibilities:

• Bachelor’s degree in Computer Science or equivalent
• Min 6 years of development experience in Spring Boot & Microservices architecture
• Working experience with Java, Spring Boot, Hibernate, MySQL, Spring Data JPA, AWS, Spring Cloud, Maven, GitHub, Swagger, Eureka, Zuul etc.
• Strong understanding of API Security for Microservices (Spring Security, OAuth 2.0, JWT)
• Strong understanding of web development cycle and programming techniques and tools
• Ability to work independently or with group

• Strong understanding of modern development methodologies and best industry standards
• Experience working with APIs, RESTful APIs & Microservices
• Experience building highly scalable applications using Redis, Kafka, Akka, gRPC
• Mentor, Train 3-4 engineers 
• AWS knowledge is a plus
• Strong knowledge on SQL and NoSQL Databases
• Should have worked on developing large scale products and services
• Knowledge on Agile processes is a must
• Able to work with multiple distributed teams

Software Engineer

Opportunity in this role / Why should you join us?

- You are your own master.  We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading fintech unicorn company

- ESOPs in the company

Requirements

• 3+ years and above exposure in the art of writing codes and solving problems for large scale
• Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
• A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
• Have a penchant for solving complex and interesting problems.
• BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
• Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
• Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with

multi-threading and concurrency programming

• Ability to switch between the technologies and learn new skills on the go.

Roles and Responsibilities

• Drive discussions to create/improve the product, process and technology
• Build abstractions and contracts with separation of concerns for a larger scope
• Rapid prototyping
• Robust and scalable web-based applications
• Do high-level design with guidance; Functional modelling, break-down of a module
• Thinking platforms & reuse, the open-source contribution will be a plus
• Do incremental changes to architecture: impact analysis of the same
• Do performance tuning and improvements in large scale distributed systems
• Mentor young minds and foster team spirit.

• Experience in designing & developing systems/software for large business environments (Java, J2EE).
• Strong design and coding skills in Enterprise Java, REST & SOAP web services, ORM (JPA/Hibernate), Spring, Maven, JMS (ActiveMQ), Caching, XML, JSON.
• Experience with multiple integration technologies / frameworks.
• Must have good experience in Unix/Oracle/SQL.
• Experience in Agile Development, Scrum, and Iterative approaches.
• Experience and exposure to AWS Cloud Services and DevOps mindset and expertise is a plus Experience with Mule or any ESB (Enterprise Service Bus) is a plus.

2.       Proficiency with fundamental front-end languages such as HTML, CSS.

3.       Familiarity with JavaScript frameworks such as Angular JS, React, and Amber.

4.       Proficiency with server-side languages such as Python / Ruby / Java / PHP/ .Net.

5.       Good Understand with database technology such as MySQL, Oracle, and MongoDB.

Job Summary:

– We are looking for a kick ass software engineer with exceptional skills in data structures, algorithms, core java, and distributed systems. If you think you have it in you to deliver on aggressive timelines, have the hunger for growth, don’t like giving excuses, contribute to product features, be hands-on and deliver a world-class product, then we want to hear from you.

This is a predominantly back-end engineering role.

– You are a rockstar engineer with proven capabilities working on SaaS product and a passion for writing exception code.

– You are hungry for an opportunity to join a start-up and become a member of core platform team driving the company forward.

– You will be responsible for the delivery of product features as a part of the platform engineering team.

– You will be hands-on working on key features of the product.

– You will be responsible for design of back-end architectural changes and product features.

– You will have plenty of opportunity to learn and implement ideas to build products in efficient and cohesive manner.

– Understand the product mission, goals, and tasks and execute with the team to achieve them.

– Understand the design and architecture and build modules in accordance with it or recommend and make the necessary changes that adds more stability to our product.

Eligibility:

– 4+ years of experience with hands-on experience in Core Java/Kotlin

– 2+ years of experience as a technical architect with responsibility for core features 

– 4+ years of working experience in cloud-based systems

– 2+ years of experience working on distributed systems

– 2+ years of experience working on Kafka and Zookeeper

– Experience working on RxJava/ Reactive Programming

– Adept on design patterns and distributed systems

– Excellent verbal and written communication

– Proficient in building REST APIs to interact with relational and non-relational data sources

– Proficient in SQL and RDBMS

– Hands on experience in code and system optimization

– Experience in working with NoSQL databases is a plus

Requires a bachelor's degree in area of specialty and experience in the field or in a related area. Familiar with standard concepts, practices, and procedures within a particular field. Relies on experience and judgment to plan and accomplish goals. Performs a variety of tasks. A degree of creativity and latitude is required. Typically reports to a supervisor or manager.

Designs, develops, and implements web-based Java applications to support business requirements. Follows approved life cycle methodologies, creates design documents, and performs program coding and testing. Resolves technical issues through debugging, research, and investigation.

Additional Job Details:

Strong in Java, Spring, Spring Boot, REST and developing MicroServices.

Knowledge or experience , Cassandra preferred

Knowledge or experience on Kafka

Good to have but not must

Good to know:

Reporting tools like Splunk/Grafana

Protobuf

Python/Ruby