
Location: Pune
Required Skills : Scala, Python, Data Engineering, AWS, Cassandra/AstraDB, Athena, EMR, Spark/Snowflake

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.
Connect with the team
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- Bachelor's or Master’s degree in Computer Science or equivalent area
- 10 to 20 years of experience in software development
- Hands-on experience designing and building B2B or B2C products
- 3+ years architecting SaaS/Web based customer facing products, leading engineering teams as software/technical architect
- Experiences of engineering practices such as code refactoring, microservices, design and enterprise integration patterns, test and design-driven development, continuous integration, building highly scalable applications, application and infrastructure security
- Strong cloud infrastructure experience with AWS and/or Azure
- Experience building event driven systems and working with message queues/topics
- Broad working experience across multiple programming languages and frameworks with in-depth experience in one or more of the following: .Net, Java, Scala or Go-lang
- Hands-on experience with relational databases like SQL Server, PostgreSQL and document stores like Elasticsearch or MongoDB
- Hands-on experience with Big Data processing technologies like Hadoop/Spark is a plus
- Hands-on experience with container technologies like Docker, Kubernetes
- Knowledge of Agile software development process
Responsibilities:
• As a Senior Backend Engineer, you will design, implement and build server-side components that run seamlessly on the Tickertape product which is loved and used by millions of investors every day.
• You will partner with other engineers to build high-performance REST & WebSocket APIs to power our frontend experiences.
• Influences best practices in the team.
• Perform data analysis and troubleshoot technical issues with platforms, performance, data discrepancies.
Requirements:
• 5 - 7 years of experience
• Good programming skills with any of the programming languages like Go, Javascript/Typescript (Nodejs)
• A good understanding of RDBMS(PostgreSQL), NoSQL systems(Mongo, Elasticsearch), Time series DB(Influx, Timescale), Queuing Systems(Kafka, SQS), caching technologies(Redis), and cloud technologies(AWS) is a must
• Web development concepts - basics of REST APIs, server architecture
• Extremely good at problem-solving, interest in building things from scratch, and is a self-learner.
• Good team player and ability to collaborate with others.
• Interest (and/or experience) in the financial/stock market space - interest trumps experience
Job Description for Python Backend Developer
2 + years expertise in Python 3.7, Django 2 (or Django 3).
Familiarity with some ORM (Object Relational Mapper) libraries.
Able to integrate multiple data sources and databases into one system.
Integration of user-facing elements developed by front-end developers with server-side logic in Django (RESTful APIs).
Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
Knowledge of user authentication and authorization between multiple systems, servers, and environments
Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
Able to create database schemas that represent and support business processes
Strong unit test and debugging skills.
Proficient understanding of code versioning tools such as Git.
The desirables optionals
Django Channels, Web Sockets, Asyncio.
Experience working with AWS or similar Cloud services.
Experience in containerization technologies such as Docker.
Understanding of fundamental design principles behind a scalable application (caching, Redis)
Role: Software Developer
Industry Type: IT-Software, Software Services
Employment Type Full Time
Role Category Programming & Design
Qualification: Any Graduate in Any Specialization
Key Skills – Python 3.7 Django 2.0 onwards , REST APIs , ORM, Front End for interfacing only ( curl, Postman, Angular for testing), Docker (optional), database (PostgreSQL), Github
Spark / Scala experience should be more than 2 years.
Combination with Java & Scala is fine or we are even fine with Big Data Developer with strong Core Java Concepts. - Scala / Spark Developer.
Strong proficiency Scala on Spark (Hadoop) - Scala + Java is also preferred
Complete SDLC process and Agile Methodology (Scrum)
Version control / Git







