
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 clientfacing 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.
Please find the attached study material.
Data structure and Algorithms-
1. Basic Strings, Array and Mathematical based problems.
2. Sliding window problems
3. Problems solved using HashMap, Set and Stack.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts
Requirements
- 3+ years of experience in the Development of JAVA technology.
- Strong Java Basics
- Linux
- SpringBoot or Spring MVC
- Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Java 8
- 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 AI/ML algorithms is a plus.
1. Need to have an understanding of Elastic Search, Kafka, mongo DB, etc.
2. Should have experience of Jupter noobooks, data bricks
3. Java, Pythons
4. Senior level, 5-10 years of experience
5. It is important they have those skills so that they can take over current work. There are codes written in both Java as well as Python. (Java is legacy but that is the main search engine code). So it will be counter-productive if engineers hired have experience in both.
6. Excellent communication, analytical, research, grasping skills
Java, Java8, Springboot, Microservices, core java, j2ee, JAVA, Springboot
backend, core java, java8, micro services
Requirements
- High self motivation to lead & build projects from beginning to end;
- You've shipped multiple products and are willing/able to demonstrate how you solved specific problems to solve users needs;
- Excellent communication in presenting your code and communicating what problems they are solving while giving/receiving feedback;
- Ability to quickly grasp goals and requirements from light specifications;
- Must be able to effectively & efficiently work with stakeholders spreads across many timezones;
- 5+ years of Android experience working in a modern commercial web development environment and shipping solid product;
- Experience in Springboot, Microservices, JPA, oracle database.
- Must have experience in authentication mechanism like LDAP, SSO, any authentication server, role management
Perks
- Ground floor opportunity with the team; shape the strategic direction of the company.
- Work with sharp, motivated and passionate co-workers spread across many regions.
- Rare opportunity to make real positive impact on the world!
Responsibilities:
- Your primary responsibility as a senior backend engineer will be to architect and develop a scalable and robust micro-services backend with strong Java, Spring(Boot), SQL, AWS/GCP.
- Experience being part of a software development team in an Agile/Lean/Continuous Delivery environment
- Be a key performer in a high-performance product engineering team
Qualifications:
- 2 to 4 years of overall IT experience. Most of this experience in Java (Core Java, Spring boot, Java collections, Java Multithreading)
- Should have experience designing database schemas - SQL and NoSQL.
- Exposure to frameworks like Spring, Hibernate, Play would be a plus
- Experience with microservices architecture would be beneficial.
- Working knowledge of any public cloud (AWS, GCP or Azure)
- Broad understanding and experience of real-time analytics, NoSQL data stores, data modeling and data management, analytical tools, languages, or libraries
- Knowledge of container tech like Docker, Kubernetes would be a plus.
- Bachelor's Degree in Computer Science or Engineering.
Supr Daily is a daily delivery service in India. Starting with milk, the company delivers the most frequent
daily needs to consumers via a subscription model. Founded by alumni of IIT and IIM, the company is
pioneering the micro delivery e-commerce model in India. The company is a Y-Combinator startup and is
currently backed by Swiggy. With a commitment of $100 Million from Swiggy, the team is scaling their
unique supply chain nationally to serve more than 1 Million households every single day. Y Combinator
is one of the top American Seed Accelerator and their portfolio includes Airbnb, Dropbox, InstaKart,
Reddit and about 1500 other startups across the globe.
Swiggy is on a quest to bring convenience to over 100 Million Indians over the next years. The
investment in Supr Daily is part of its core strategy to expand the reach of the consumer base as well as
fulfilling the daily needs of a consumer leveraging the power of the milk railroad.
We are looking for smart coders who are cognisant of business, product and quality.
Responsibilities
● Working on a disruptive product that's still in its early stages.
● Responsible for driving innovation in Software.
● Development, while relentlessly improving performance, scalability, and maintainability.
● Owning the design process, implementation, and verification of framework components
leveraging standard software engineering methodologies.
● Translating functional and technical requirements into detailed architecture and design.
● Mentoring other engineers, defining our technical culture, and helping to build a fast-growing
team.
● Mentoring and supporting other team members by doing code reviews and applying your
experience in process and technical leadership.
Requirements
● 1- 2 years of experience in product development, architecture, and design.
● Constantly learning and looking for ways to improve yourself and the processes around you.
● Working in agile team environments and are a self-starter, conscientious member of the team.
● Love to code, but also you are awesome at it.
Why explore career at Supr Daily
We are building a diverse team of employees from across the globe and in a spree of hiring of great
talented folks. At the heart of that is hiring people to have a desire to succeed, a passion to innovate and
an insatiable appetite to learn. If that sounds like you, read on, this may be just the place for you.
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










