Backend Engineer (Java)

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. - 4 to 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 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. 

Requirements:

• 4-6 years of experience in developing Enterprise Web Applications using Java/J2EE technologies with a good professional track record.
• Excellent knowledge in Core Java (J2SE) and J2EE technologies.
• Proficient knowledge in Servlets, JDBC & JSP.
• Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
• Strong knowledge of Exception Handling, Collections, File I/O Streams, Interfaces, and logging mechanisms is a must.
• Experience in developing REST APIs and integration of third-party APIs.
• Proficient knowledge in SQL/PLSQL.
• Expertise in application/web server deployment and connection pooling techniques.
• Cloud deployment (AWS & Azure) will be an added advantage.
• Experience in Version Control tools like Git, Bitbucket, etc.
• Experience in data security and protocols is a must.
• Maven and IDE tools experience is a must.
• Multi-threading and serialization techniques knowledge is a must.
• Good understanding of end-to-end software development lifecycle.
• Ability to read and understand requirements and design documents.
• Good Analytical skills and should be self-driven. Good communication with interpersonal skills.
• Open to learning new technologies and domains.
• A good team player and ready to take up new challenges
• Languages: Java(J2SE), J2EE (Servlets, JSPs, JDBC)
• Databases: MySQL, Oracle, SQL Server, PostgreSQL.
• DB Script: SQL and PL/SQL
• Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
• OS: Windows, Linux/Unix.
• Cloud Services: AWS and Azure (Good to have)
• Version Control tools: Git, Bitbucket.
• Deployment Servers: Tomcat, JBoss, and Web sphere
• Build Tools: Gradle/Maven

About the Company:

We are a Series A funded Indonesian online group buying platform that helps people connect with like minded people who want to buy the same item/product at a discounted price.  The team is spread across India and Indonesia, and is led by experienced founders who have founded, set-up, scaled and exited businesses across India and Indonesia. We have raised our first round of funding, and are growing extremely fast. We are actively looking for Full Stack developers to join our team.

We are looking for an experienced full-stack engineer to implement both back-end and front-end software solutions to serve both internal and external customers. The position entails working in an agile team to develop Java- and React-based projects that support our system.

• Design, implement and test full-stack solutions using Java, Spring and React
• Design robust spring system that can support 2-5mil users.

• Work alongside other team members to integrate various components into finished product
• Work closely with product owner to create stories
• Continuously create new and interactive features that would help to improve user experience and user engagement.
• Assist with troubleshooting of issues as needed
• Participate in the design and architecture of software solutions
• Assist in developing and maintaining continuous integration pipelines

Salary range : 15 lpa - 30 lpa or more depending on candidate experience.

Skills required : 

You will be best qualified if you have experience with several (not all) of the following:

• JAVA
• Python (Flask and Django)
• Spring/Spring Boot
• React
• Hibernate
• Linux
• REST
• Kafka
• Mysql
• AWS
• ELK Stack (Elasticsearch)
• CI/CD Pipelines

Qualifications:

• 2+ years of experience in Java based technologies
• 1+ years of experience in Python
• Experience in designing databases and system architecture 
• 1+ years of experience in Front end technologies like HTML, CSS, JavaScript and ReactJs

Why join us?

• You will get to work with an experienced team who has worked in multiple startups. 
• Experimenting is the name of the game. And POCs are the snacks that fuel them.
• Grow with us. It is a family
• Gain exposure to two of the fastest growing markets in the world - South East Asia and Social Commerce

Job description

Experience: 1 year to 5 years

Pay Pack: for junior Developer will range from 1.2 to 2.15 Lacs

For Sr. Developer: 2.15 Lacs 5 Lacs

Although salary is not a constraint for a deserving candidate.

We are looking for 1.5 yrs+ experienced candidates proficient in PHP/ MySQL to develop Websites and web applications. The desired candidate would be involved in the full software/ website development life cycle starting from requirement analysis to testing. The candidate should be able to work in a team or should be able to handle projects independently.

Job Responsibilities: -

Hands-on experience in Core PHP along with working exposure in XHTML, HTML 5, JavaScript, CSS, Ajax, jQuery, bootstrap, APIs, Laravel.

PHP Scripting with MVC architecture Frameworks like Codeingnator and Laravel.

Should take responsibility to develop a website and Web-Based Application using Open Source systems.

Knowledge of Linux, Web application development, Quality software development.

Optimizing MySQL Queries and databases to improve the performance.

Excellent conceptual, analytical, and programming skills.Knowledge of Object-Oriented Programming (OOPS) concepts with Smarty and AJAX.

Should be well versed with OS: Linux/ UNIX, Windows (LAMP and WAMP)
Good experience in Relational Database Management Systems, Database design, Normalization.

Preference will be given if you hold working knowledge with Open Source like WordPress, Shopify, and other open-source eCommerce systems.

Good communication skills (spoken/written) will be a plus. Must be technically and logically strong.

Qualifications: BE/ B. Tech/ M. Tech/ MCA/ MCS/ MCM
Job Type: Full-time

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

Your Opportunity

• Own and drive business features into tech requirements
• Design & develop large scale real time server side systems
• Quickly create quality prototypes
• Staying updated on emerging technologies
• Ensuring that all deliverables adhere to our world class standards
• Promote coding best practices
• Mentor and develop junior developers in the team

Required Experience:

• 4+ years of relevant experience as described below
• Excellent grasp of Core Java, Multi Threading and OO design patterns
• Experience with Scala, functional, reactive programming and Akka/Play is a plus
• Excellent understanding of data structures and algorithms
• Solid grasp of large scale distributed real time systems
• Prior experience on building a scalable and resilient micro service
• Solid understanding of relational databases, NoSQL databases and Caching systems
• Good understanding of Big Data technologies such as Spark, Hadoop is a plus
• Experience on one of AWS, Azure or GCP

Who you are :

• You have excellent and effective communication and collaborative skills
• You love problem solving
• You stay up to date with the latest technologies and then apply them in real life
• You love paying attention to detail
• You thrive in meeting tight deadlines and prioritising workloads
• Ability to collaborate across multiple functions

Education:

Bachelor’s degree in Engineering or equivalent experience within the field

Job Description:

• Integration of user-facing elements developed by front-end developers.
• Build efficient, testable, and reusable PHP modules.
• Solve complex performance problems and architectural challenges.
• Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.)
• Strong knowledge of PHP web frameworks (such as Laravel, Codeignitor, Yii, etc depending on your technology stack)
• Understanding the fully synchronous behavior of PHP.
• Understanding of MVC design patterns.
• Basic understanding of front-end technologies, such as JavaScript, JQuery, HTML5 and CSS3
• Knowledge of object oriented PHP programming
• Understanding accessibility and security compliance (Depending on the specific project)
• Strong knowledge of the common PHP or web server exploits and their solutions.
• Understanding fundamental design principles behind a scalable application
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Familiarity with limitations of PHP as a platform and its workarounds
• Creating database schemas that represent and support business processes
• Familiarity with SQL/NoSQL databases and their declarative query languages
• Proficient understanding of code versioning tools, such as Gif.
• Build efficient, testable, and reusable PHP modules.
• Solve complex performance problems and architectural challenges
• Integration of data storage solutions (may include databases, key-value stores, blob stores, etc}
• Hands on Experience with AWS and NoSQL Database, Integration of AWS Services. (Mandatory)

Development: HTML5, CSS3, JS, JQuery, PHP(Must), Python, Java, Git, Dev Tools, C//.

Development Framework: Laravel, Codeigniter, React JS, Vue JS, Bootstrap. 

Tools: Trello, Slack, ASANA, Visual Studio Code, PHPStorm, Github, Selenium

Technologies Frameworks: Bootstrap, Laravel, WordPress. 

• Strong proficiency in MySQL database administration, migrations /up-gradation, patching, cloning, capacity planning, designing, and automation of database tasks.
• Good experience with the latest versions of the database
• In-depth experience configuring database replication on multiple versions
• Strong experience in Monitoring, DB Performance Tuning, DB Availability, DR, Security, Storage
• Analyzes and provides recommendations to optimize the database for improved performance, manageability, and scalability
• Expertise in enterprise backups, recovery, and performing point-in-time recovery Experience in deploying and integrating PM tools
• Experience in data partitioning and encryption
• Knowledge of de-facto standards and best practices in MySQL and MongoDB
• Proficient in writing and optimizing SQL statements and Knowledge of MySQL features, such as its event scheduler
• Familiarity with other SQL/NoSQL databases such as PostgreSQL, MongoDB, etc.
• Knowledge of limitations in MySQL and their workarounds in contrast to other popular relational databases
• Proficient understanding of code versioning tools such as Git / Mercurial / SVN

This is for our Chennai Office , however work from home can be considered during pandemic or lockdowns .

• Java / JavaScript Developer Job Description (Minimum 2 years Experience in Java)
• Good in Core Java, Multithreading, J2EE, web services (REST, SOAP).
• In-depth knowledge on Java Script and object-oriented technique .
• Should be able to work independently
• Familiar on Front-end technologies like AngularJS framework, HTML5, CSS3 is a real Plus