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. 

Profile : Java Developer

Experience : 3+ Years

Location : Pune (Viman Nagar)

Mode : 5 Days WFO

(Only immediate joiners & candidates serving notice period)

Roles :

- Java Application Developer

- Microservices Architect

- API Developer

- Code Reviewer

- Technical Problem Solver

- Database Integration Specialist

- Team Collaborator

Responsibilities :

- Design, develop, and maintain Java-based applications using Spring Boot

- Build and deploy microservices architecture following best practices

- Develop RESTful APIs and web services for integration

- Write clean, efficient, and well-documented code

- Implement design patterns for scalable solutions

- Work with databases (MySQL, PostgreSQL) for data management

- Perform comprehensive code reviews and testing

- Collaborate with cross-functional teams (Frontend, QA, DevOps)

- Participate in Agile/Scrum development processes

- Translate business requirements into technical solutions

- Troubleshoot and debug complex application issues

- Follow CI/CD practices for smooth deployment

- Monitor and optimize application performance

Strong written/verbal communication skills

·       Minimum 5+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·       Good knowledge of the JVM with an understanding of performance and memory optimization.

·       Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·       Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

·       Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·       Expert level understanding of Object-Oriented Concepts and Data Structures

·       Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

Requirements

• Senior SD4 engineer/Principal Engineer/ Architect who has led or been part of platform teams inside a large/mid tech company
• Deep expertise working with any of the programming languages to write maintainable, scalable, unit-tested code.Python experience is a bonus - but not required
• Good understanding of REST APIs and the web in general and ability to build a feature from scratch & drive it to completion
• Experience with Kubernetes, Prometheus, Grafana, ELK stack, Load Balancing
• Experience in building a platform team on AWS for Product based companies/start-ups

What You’ll Do

• Build the core technology platform, including Automated provisioning of infrastructure, deployment, and monitoring of services
• Build a central services directory within an organization that shows the cost and health of all services and makes the management of microservices extremely easy
• This involves working with core infrastructure and understanding them in great detail - like Kubernetes, ServiceMesh, Service security
• Mentor/coach engineers to facilitate their development and provide technical leadership

·What You will do

● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.

● Work on world-class software products using the latest cutting edge technologies and platforms.

● Work in a dynamic, collaborative, transparent, non-hierarchical culture.

● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.

● Help to grow the next generation of developers and have a positive impact on the industry.

Basic Qualifications

● Experience: 4+ years.

● Hands-on development experience in backend, Java, SprintBoot, Hibernate, SQL, MongoDB, Jenkins, Microservices etc...

● Server-side development experience mainly in JAVA.

● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.

● Experience in working with cross-border, distributed teams is a must.

Nice to have Qualifications

● Product and customer-centric mindset.

● Great OO skills, including design patterns.

● Experience with large-scale enterprise systems

Increasingly is an award-winning, fast-growing retail technology company focused specifically on the automation of cross-selling for online retailers.

Our clients include large global corporations like Samsung, Motorola & Canon to several small to medium size retailers across the globe. Our AI-based algorithms help a customer buying a TV on Samsung to find the matching sound bar & purchase both together.

Increasingly is headquartered in London with offices in Lisbon & Bangalore. We work with clients in over 30 countries & 20 languages.

We are looking to rapidly expand our technology & product development operations in India. And we need smart, ambitious people like you who enjoy a fun yet challenging work environment.

We believe strongly that diversity & inclusion are the foundations for a lasting, incredible culture. We also believe that it’s important to get the balance right between work & life.

• You possess an appetite for problem-solving and critical thinking
• Back-end development is an inherently collaborative task. It can be made very difficult if there isn’t clear and concise communication within a dev team. You are a great communicator and a great developer
• You are always looking for new ways to be a better developer. You put an effort into learning and exploring the world of back-end development in your own time
• The back-end development sphere is as changeable and unpredictable as any in tech. You are someone who achieves comfort in You are aware of the tools and new technologies that are being introduced.
• You possess good technical communication skills: Can effectively communicate project needs with both front and back-end teammates
• High emotional intelligence: Self-aware and attuned to their peers’needs
• Be the best back-end developer by sheer discipline, motivation, and effort

• 2-3.5 years’ experience in back end Java/J2EE application development with clear understanding of Microservices
• Experience in developing internet web applications using Java/J2EE technologies
• Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA
• Experience in Java Version 0+. Good experience with JMS, Spring & Hibernate
• Experience in identifying database solutions for a given problem, preferably MySQL (good to have)
• Develop well-structured, maintainable code, delivered on time, with automated tests. We are an XP/Agile development team
• Hands on experience in using Application/Web servers like JBoss and Tomcat servers. Worked on databases like Oracle & MYSQL
• Experience with e-commerce, retail, analytics, advertising, or media would be an

• You'll get to work in one of the hottest & fastest growing retail technologies in Europe right now
• You'll get paid a competitive salary & be working directly with a super experienced team of people
• You'll get a great place to come to work every day. Varied, complex, challenging & with a great culture that you can shape & change

 Forbes I https://junction.cj.com/article/increasingly-talks-tech-cju17">Commission Junction Blog I https://blog.rakutenmarketing.com/en-uk/news/technology-partner-increasingly-on-innovationand-the-value-of-dynamic-cross-selling/">Rakuten Blog I https://www.tradedoubler.com/en/blog/introducing-increasingly-market-leader-dynamic-crossselling/">Tradedoubler Blog

1. Java Developer

Job profile:

• Project Role: Spring boot application developer
• Project Role Description: Design, build and configure spring boot applications to meet
• business process and application requirements.
• Work Experience: Fresher. Should have done at least one project in Java. Hands on
• experience on the Spring boot project is an added advantage.

Must Have Skills: Core Java or Spring boot Application

Important: Engineers should be able to code, Interview will involve actual coding

Key Responsibilities:

• Design, build and configure applications to meet business process and application requirements
• Understanding of

1. server side technologies, how the web applications work. Role of Database and APIs in modern web and mobile applications.
2. client side web frameworks, such as Angular or React and they integration with back end systems

• Implementation and customization of Web based solutions
• Development of custom components such as web interfaces, Validation Services etc.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
•     Write clean, maintainable code while rapidly iterating and shipping
•      Participate in all phases of development, from design to implementation, unit testing, and release.
•  Knowledge of javascript, OOPS including experience with design Pattern
• Excellent in Design patterns, Data Structure.

Technical Experience:

• Engineers should have done project(s) in Java or Spring boot.
• Knowledge of

1. Test and automation tools
2. Git
3. Restful APIs.
4. Solid understanding of object-oriented design and programming concepts.

• Have a passion for quality and writing clean, solid, readable code that scales and performs well.

Expected Competencies:

• Adaptable to change; able to respond to shifting requirements and priorities
• A well-organized and structured approach to work with good attention to detail.
• Comfortable with coordinating and collaborating with business teams to drive required decisions and outcomes.
• A high degree of personal integrity and strong ability to work collaboratively and effectively in a fast-paced, flexible, team-based environment.

Job Description-

Backend Developer- Senior

Experience - 3-6 years

Location: Pune/Kota

Minimum Qualifications:

- BE/B.Tech or ME/M.Tech in Computer Science.

- Must have “Can Do Attitude” towards work

- Must have work exp of 3-6 years

- Must have programming exp of 1-2 years in any of Python/Golang/Java languages

- Must have worked in product based company

- Ready to work in a startup and adaptable to a dynamic environment

- Ready to accept ad-hoc requirements and track them till they get implemented

- Ready to learn new technologies like Andriod, Angular, etc.

- Good at HTTP basics, OOPs concepts, data structures, algorithms, networking and

security aspects

- Ability to write clean code and maintain it

- Good at SQL/No-SQL databases

Preferred Qualifications:

- Experience in any good product based startup

- Experience in working with the team and managing a small team of 2-5 associates

- Experience in being a mentor for co-developers

- Experience in design/developing scalable systems.

- Experience in public cloud platforms services/APIs of AWS, Google Cloud, etc.

- Experience in data engineering

- Experience in SOA/Microservice architecture development

Responsibilities:

- Design and develop scalable services and APIs in Python/Golang

- Always maintain the services secure

- Should optimize APIs for mobile data and apps

- Use off-the-shelf and state-of-the-art services for faster development of product

- Guide team members with designs

- Take the end to end ownership of features and resolve customer issues on priority

- Mentor/guide/monitor junior developer

- Expertise Android/Angular to the required extent and guide app developers while

designing APIs

Opportunities in the role:

- LearnAngular, Python, Node.js, Golang, ELK stack, MEAN/MERN

- Work on AWS, Azure, Google Cloud Platform

- Work on databases like RDS, MongoDB, Big Table & DynamoDB, Redis, Aerospike

- Experience with SQL/ NoSQL Databases (RDS, DynamoDB, Google Datastore, Redis)

- Experience with ELK stack.

- Fast prototyping of proof-of concept features/application based on a brief

- Work on data engineering