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JOB DESCRIPTION
Experience: 4-7 years
Location: Mumbai
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. - 4-7 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.
We are looking to recruit an expert for backend software development at Webnyay. We are an enterprise SaaS startup catering to India and international markets. We are now growing fast and need a rockstar senior software developer who is an expert in Python/Django and GCP.
What we are looking for:
- At least 6 years of professional software development experience.
- At least 4 years of experience with Python & Django.
- Proficiency in Natural Language Processing (tokenization, stopword removal, lemmatization, embeddings, etc.)
- Experience in computer vision fundamentals, particularly object detection concepts and architectures (e.g., YOLO, Faster R-CNN)
- Experience in search and retrieval systems and related concepts like ranking models, vector search, or semantic search techniques
- Experience with multiple databases (relational and non-relational).
- Experience with hosting on GCP and other cloud services.
- Familiar with continuous integration and other automation.
- Focus on code quality and writing scalable code.
- Ability to learn and adopt new technologies depending on business requirements.
- Prior startup experience will be a plus!
Some of your responsibilities would include:
- Work closely in a highly AGILE environment with a team of engineers.
- Create and maintain technical documentation of technical design and solution.
- Build products/features that are highly scalable, secure, highly available, high performing and cost-effective.
- Help team in debugging.
- Perform code reviews.
- Understand the full feature set/ implementation and architecture of the applications.
- Analyze business goals and product requirements and contribute to application architecture design, development and delivery.
- Provide technical expertise for every phase of the project lifecycle; from concept development to solution design, implementation, optimization and support.
- Act as an Interface with business teams to understand and create technical specifications for workable solutions within the project.
- Explore and work with LLM APIs and Generative AI.
- Make performance-related recommendations, identify and eliminate performance bottlenecks (hardware, software, configuration); drive performance tuning, re-design and re-factoring.
- Participate in the software development lifecycle, which includes research, new development, modification, security, reuse, re-engineering and maintenance of common component libraries.
- Participate in product definition and feature prioritization.
- Collaborate with internal teams and stakeholders across business verticals.
Job Location: Sewri, Mumbai, Maharashtra
Required experience:
- Minimum 2 year of experience in Web & Backend Development using Python
Overview
We are looking for Python developers with a strong understanding of object orientation and experience in web and backend development. Experience with Analytical algorithms and mathematical calculations using libraries such as Numpy and Pandas are a must. Experience in some form of Machine Learning. We require candidates who have working experience using Django Framework
Key Skills required (Items in Bold are mandatory keywords) :
- Proficiency in Python 3.x based web and backend development
- Solid understanding of Python concepts
- Experience with some form of Machine Learning (ML)
- Experience in using libraries such as Numpy and Pandas
- Some form of experience with NLP and Deep Learning using any of Pytorch, Tensorflow, Keras, Scikit-learn or similar
- Hands on experience with RDBMS such as Postgres or MySQL
- Experience building REST APIs using DRF or Flask
- Comfort with Git repositories, branching and deployment using Git
- Working experience with Docker
- Basic working knowledge of ReactJs
- Experience in deploying Django applications to AWS,Digital Ocean or Heroku
KRAs includes:
- Understanding the scope of work
- Understanding and adopting the current internal development workflow and processes
- Understanding client requirements as communicated by the project manager
- Arriving on timelines for projects, either independently or as a part of a team
- Executing projects either independently or as a part of a team
- Developing products and projects using Python
- Writing code to collect and mathematically analyse large volumes of data.
- Creating backend modules in Python by building or reutilizing existing modules in a manner so as to
provide optimal deliveries on time
- Writing Scalable, maintainable code
- Building secured REST APIs
- Setting up batch task processing environments using Celery
- Unit testing prepared modules
- Bug fixing issues as reported by the QA team
- Optimization and performance tuning of code
Providing technical expertise for every phase of the project lifecycle—from concept
development to solution design, implementation, optimization and support. Interacts
with a set of clients (client senior developers and architects) to create technology
specifications from business requirements for one of the modules within the project.
Prepares the technical design of the more complex technology components within the
module (one or more of client/web presentation tier, server tier, data access and data
model, integration component, package function customization).
Assists the architect in articulating the pros and cons of using a certain technology stack
or component or design pattern versus another to the clients and project team and
drives selection of technologies, designs to come up with the optimal architecture.
Drives the performance tuning, re-design and re-factoring for a module.
Contributes to designing and implementing the build, releases process as well as system
configuration and deployment characteristics of the application.
Required Tech Stack
2+ years of strong development skills in Java with JDK 1. 8 & above version &
Microservices with Spring boot/ Spring.
Should have strong acumen in Data Structures, Algorithms, problem-solving and Logical/
Analytical skills.
Thorough understanding of OOPS concepts, Design principles and implementation of
different type of Design patterns.
Sound understanding of concepts like Exceptional handling, Serialization/Deserialization
and Immutability concepts, etc.
Good fundamental knowledge in Enums, Collections, Annotations, Generics, Auto
boxing, etc. Experience with Multithreading, Concurrent Package and Concurrent APIs Basic
understanding of Java Memory Management (JMM) including garbage collections
concepts.
Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by,
aggregate functions, etc.)
Experience with at-least one NoSQL (Any of Cassandra/Couch base/Hadoop), Hands-on
experience with JMS
Hands-on experience in creating RESTful webservices and consuming webservices
Hands-on experience with Spring.
Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
Experience of writing Junit test cases using Mockito / Powermock frameworks.
Should have practical experience with Maven/Gradle and knowledge of version control
systems like Git/SVN etc.
Good communication skills and ability to work with global teams to define and deliver
on projects.
Sound understanding/experience in software development process, test-driven
development
Senior Software Engineer - Payments
MishiPay
Competitive salary, bonus and potential share options
Bangalore
Please read our full advert before applying. You MUST have payments experience.
About Mishipay:
MishiPay (https://mishipay.com/" target="_blank">https://mishipay.com/) was founded in 2015 by Mustafa Khanwala (https://t.sidekickopen87.com/s3t/c/5/f18dQhb0S7kv8cW0B4W4V2M7g2zGCwVW8Jbw_83My4KPW4XXYRz3MqbyWW4Xq_Cl16gGDkf34lRCG01?te=W3R5hFj4cm2zwW4mKLS-3ZWVWBW3K2-zv1JxwY5W1Lyz993_-rybW3z9CQ13QZn51f3zd5DJ04&si=6558133869871104&pi=23656670-1dc8-41be-f0fe-f4c7fec4c64c" target="_blank">/in) bringing the best of the online checkout experience to physical stores.
We do this with our Scan, Pay and Go experience. Using our native apps on Android or iOS, or our web app available on Chrome or Safari, customers scan the products they wish to buy in store using their own phone and pay instantly. This eradicates the need to wait in line or touch store hardware.
As the world’s leading Scan and Go provider, we work with 30+ brands across 15 countries, including names like MUJI, Eroski, Flying Tiger Copenhagen, Spar, Londis and many others. The work is challenging, hard and long and requires you to be on top of your game but if the adventure and journey excite you then this is the place for you. We want to make sure that in exchange for this commitment from our team, we offer them the best package possible in terms of options, salary and bonus linked to the success of the business. You’ll also quickly see the impact of your work as we develop our products and customers
Requirements
We are looking for a Backend Engineer who possesses a passion for pushing mobile technologies to the limits and will work with our team of talented engineers to design and build the next generation of our mobile applications. You’ll play a key part in the development of our products, help to evolve and streamline our tech stack to suit our needs as we grow, and you’ll enjoy working in an environment surrounded by like-minded inspirational individuals.
Ideally we would love you to have Python, but we will also look at Java or other languages. It's essential you have worked as a Backend Engineer in a Payments domain.
Qualifications:
- Ideally, deep expertise with Python programming language and Django + DRF framework to build backend services
- Experience with Node.js and Kafka
- Substantial experience in building complex and scalable solutions using SQL databases
- Hands-on experience of database modelling for any NoSQL databases like MongoDB / Cassandra / DynamoDB or other
- Experience with full backend development life cycle in any programming language on a Linux platform
- Comprehensive operational experience including, optimizations & deployments with Kubernetes
- Experience leading multi-engineer projects and mentoring junior engineers
- Strong object oriented design skills, ability to apply design patterns, and an uncanny ability to design intuitive module and class-level interfaces
- BTech, MTech, or higher in Computer Science or related technical discipline (or equivalent)
You will:
- Take ownership of a functional area from product conception to delivery
- Contribute to engineering requirement documents (ERDs) by defining work breakdown, estimating tasks duration & setting milestones
- Take non-functional requirements (Reliability & Availability, Scale, horizontal scalability) and Tech stack decisions
- Participate in daily agile team stand-ups
- Coach and mentor junior team members
- Own code base & documentation quality
- Actively work to clear maintenance debt as we continue improving our tech
Benefits
Why MishiPay?
You’ll work with an inspirational multi-cultural team, based in our central London HQ, the US and Bangalore, who are redefining the retail industry globally. We offer a tight-knit, collaborative and exciting work environment, coupled with the opportunity to see the apps we develop live in action within some of the world’s largest retailers, impacting the lives of millions of shoppers. You’ll also get:
- Yearly Bonuses and Share Options
- Learning and Development Monthly Allowance
- A chance to be recognised in one of our two monthly award schemes (and win various prizes)
- A new MacBook
- Pitch Training
- Online Fitness Sessions
- Quarterly team-building and fun events for our London office and free lunches in Bangalore!
What essential skills you need
▪ 8-11 years’ experience in back end Java/J2EE application development.
▪ Expertise in developing internet web applications using Java/J2EE technologies.
▪ Experience of working in a service-oriented architecture and web-based development.
▪ Experience in writing XSD, Wiz-dull including parsers like SAX, DOM.
▪ Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA.
▪ Experience in Java Version 7.0+. Good experience with JMS, Spring & Hibernate.
▪ Experience in identifying database solutions for a given problem, preferably MySQL.
▪ Demonstrated ability to analyze business/functional requirements, develop well-structured, maintainable code, delivered on time, with automated tests. We are an XP/Agile development team.
▪ Hands on experience on tools like Log4j, JUnit, Mockito, SVN, Maven, Covertura.
▪ Knowledge in Java queuing system.
▪ Extensive Experience in using MVC (Model View Controller) architecture for developing applications using JSP, JSTL, Java Beans and Servlets.
▪ Hands on experience in using Application/Web servers like JBoss and Tomcat servers. Worked on databases like Oracle/MYSQL/NoSQL/HQL.
▪ Experience with e-commerce, retail, analytics, advertising, or media would be an advantage










