
Strong written/verbal communication skills
· Minimum 2-15 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin 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, HashTable, 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.
Please share your updated CV with the the below details:
Total Exp:
CTC:
Expectation:
Current Location:
Preferred Location:
Available for F2F Interview - Y/N :
Notice Period:
Regards,
Rashmi

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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Technical Overview:
● You will be expected to design, develop and maintain large-scale complex backend web applications.
● You will be expected to rapidly learn and apply relevant new technologies.
● You will be having a high level of interaction with business and product stakeholders.
● You will be working on the entire web application stack, which includes:
o Web server hosting
o RESTful communication
o Message brokering
o Backend application layer, which includes the service and domain layers
o Data layer for persistence or caching
● You will be participating in an agile software development cycle, which includes:
o Design
o Development
o Code Review
o Unit and Integration Testing
o Release
● As a Staff Engineer, you will be expected to contribute to design, code review, refactoring, and project management.
● You will be exposed to the following technologies:
o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS Lambda
o Languages: Ruby, Java, Kotlin, Javascript, Python
o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift
o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS
o Server Management: Amazon ECS, Docker
Product Overview:
You will be contributing to products concerning both customers and partner drivers.
Product sectors include:
1) Growth: You’ll build tools to help boost user growth on the platform including our industry-best driver onboarding, training and certification system, referral system, and lead management models.
2) Lifecycle Management: Build tools to help users engage with the platform better, which include rewards and recognition modules, subscription services account management tools, partner and customer wallets and payout modules, and churn detection systems among others.
3) Transaction Experience: You’ll help deliver the most delightful booking experience to our customers and drivers. As part of this team, you’ll be responsible for our core booking system, pricing and payment
systems, location tracking and filtering services, fraud prevention systems, and in-app ticketing and support among others.
4) Fulfilment: As part of the fulfillment team, you’ll work on systems that ensure a high degree of ride fulfillment on the platform. Tools include allocation methodologies and systems, dynamic pricing, dynamic partner routing, and partner re-activation tools among others.
5) Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence. You’ll build tools for contract management, fleet management, fleet and route optimization tools, alerting and monitoring tools, and analytics suite among others.
- 3+ year of experience in Development in JAVA technology.
- 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:
- 4+ 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.
Job Description:
Engage in code design, testing, integration, deployment, and enhancements
Write high-quality code and take responsibility for tasks
Solve performance bottlenecks
Communicate and collaborate with product manager, QA, and UI/UX teams
Deliver with quality, on-time in a fast-paced start-up environment
Have a strong sense of code quality
Candidate Profile:
Bachelor’s/Master’s degree in Engineering, Computer Science (or equivalent experience)
At least 5+ years of relevant experience as a back-end engineer
Excellent Java and object-oriented development skills
Experience in building and scaling microservices
Strong problem-solving skills, technical troubleshooting, and diagnosing
Solid knowledge of RDBMS and NoSQL technologies
Experience in developing back-ends for enterprise systems
Knowledge of debugging performance and optimization techniques
Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
Good knowledge of cloud technologies eg. AWS
Demonstrated ability to deliver in a fast-paced environment
We are seeking extremely smart & independent senior developers who are gung ho about building large scale systems that are going to have a big impact on millions of customers. You will:
Responsibilities:
- Lead design and development of products working closely with business team.
- Independently own software components and co-own entire applications with a small group of fellow developers.
- Formally mentor junior software engineers on the team, reviewing design documents, (peer) reviewing code, providing design direction and guidance.
- Build performant, scalable, yet secure, enterprise ready back end architectures that can support millions of users in parallel.
- Establish strong engineering best practices and champion their adoption.
Requirements:
- 4+ years' experience in software product development and delivery.
- Bachelors or Masters degree in engineering (preferably computer science or sister branches) from a reputed institute (preferably IITs, NITs, or other top engineering institutes).
- Strong grasp of CS fundamentals, algorithms and excellent problem-solving abilities.
- All experience should be from good product development or e-commerce background.
- Able to take ownership of working with at least one of mobile or web app teams for complete integration with backend.
- Must have shown good stability in all your previous associations.
- Have strong backend knowledge and cloud development exposure.
- Proficiency in Java, Spring boot, Hibernate, REST API development.
- Worked with at least 1 RDBMS (Mysql preferred).
- NoSql is a plus.
- Have used or are very hands-on with Microservices, Docker, Kubernetes, Gradle/Ant, Kafka, GIT/bitbucket in a very agile work place.
- Writing high quality code which is made better by unit tests and integration tests is how you work.
- Comfortable with exploring proven open source tech stack like Grafana, Kibana, Jira, Prometheus, caches like Redis/Memcached, task queues like celery, to name a few.
- Knowledge of test driven development and AWS tech stack will be a good plus.
Who you are:
- You have an overall software development experience of 4 to 10 years
- 3+ years proficiency in Java and Spring boot
- Familiar with distributed computing and frameworks such as gRPC/ protobuf
- Understands JVM metrics, Garbage collection and performance tuning
- Experience in creating high-level design(HLD) and low-level design(LLD)
- You have a good understanding of relational database, NoSQL technologies, and REST
- Good to have experience in HTML, JavaScript, GraphQL, TypeScript, ReactJS and related toolsets
- Exposure to AWS stack/cloud computing
- Self-motivated developer who takes ownership of work
- Bachelor’s degree in Computer Science or Computing related discipline
- Experience in Product Development Environment is a plus.


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


