Back-end JavaScript Developer

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. - 5-8 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.

Role / Designation : Python Developer

Location: Bangalore, India

Skills : Certification: AI900, AZ900 Technical or Key Skills: Primary Skills Python, Flask, Web development. Knowledge on Azure Cloud, Application development, API development

Profile: IT Professional with 6 +years of experience in 

• Hands on experience Python libraries such as Pandas, Numpy , OpenPyxl 

• Hands on experience of Python libraries with multiple document types (excel, csv, pdf and images) 

• Working with huge data sets, data analysis and provide ETL and EDA analysis reports.

 • 5+ years’ experience in any of the programming languages like Python(mandatory), Java and C/C++.

 • Must have experience in Azure Paas, Iaas services like Azure function app, Kubernetes services, storage account, keyvault , etc 

• Experience with DB such as SQL,NoSQL 

• Develop methodologies for the data analysis, data extraction, data transformations, preprocessing of data. 

• Experience in deploying applications, packages in Azure environment. 

• Writing scalable code using Python programming language.

 • Testing and debugging applications.

 • Developing back-end components.

 • Integrating user-facing elements using server-side logic. 

• Excellent problem solving/analytical skills and complex troubleshooting methods.

 • Ability to work through ambiguous situations.

 • Excellent presentation, verbal, and written communication skills. Education: BE/BTech/BSc 

Certification: AI900, AZ900 Technical or Key Skills: Primary Skills Python, Flask, Web development. Knowledge on Azure Cloud, Application development, API development

• Experienced in automated deployment tools such Continuous Integration (Azure DevOps/Git).
• Excellent debugging skills; able to debug complex technical issues involving multiple system components. Good to have knowledge on online & offline sync capabilities in Progressive Web Application (PWA) implementation.
• Knowledge on Azure DevOps is optional.
• Knowledge on INFORM, WARN and ERROR logging in Azure Application Insights, error handling, access authorization, data connectivity in C# is mandatory.
• Knowledge on publisher/subscriber queueing such as RabbitMQ.
• All C# code must contain descriptive comments to functions, or complex/nested loops, if, or case statements.
• Knowledge on NetSuite is an advantage.
• Knowledge on Azure Active Directory is an advantage. Knowledge on OAuth 2.0 & JWT Tokens is mandatory. Writing high-level design and technical analysis documents.
• Should have worked on Agile framework

1. Strong Experience on. NET Core, . NET Microservices, C# 5.0 Xunit - Unit Test Framework - C#, Entity Framework/Entity Framework and RESTful Design, Redis
2. Experience with SQL Server 2012 & above
3. Should be well versed with RabbitMQ
4. Knowledge on Azure Active Directory, Application Insights, Azure Devops/Git/Bitbucket Pipeline, Serverless / Azure functions, Azure Service Fabric / Functions
5. Hands-on JWT Tokens, API Authorization, OAuth 2.0 JSON or XML
6. Exposure to NetSuite, Workato will be an added advantage

Responsibilities

• Determines technical feasibility of medium to low complexity features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.

• Exercises judgment in prioritizing tasks and selecting methods and techniques for obtaining solutions.

• Create a low-level design of modules of a software application through proper documentation and diagrams.

• Develops software solutions by studying requirements, clarifying customer/user needs, analyzing data and processes, and following established software development practices and processes.

• Develops proof of concepts for technical evaluation and early customer feedback.

• Updates and shares knowledge by studying state-of-the-art development tools, programming techniques, and computing technology; reading professional publications.

• Networks with internal and external personnel in their area of expertise.

Requirements

• B.Tech/B.S. or M.Tech/M.S. in Computer Science, IT or related field.

• 3-5 years of experience

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Mandatory Skills

• Should be proficient in the following areas of .NET (.NET 4.5 or above, .NET Core)

• Expert in C# and ASP.NET

• Knowledge of JavaScript/TypeScript is a plus

• Development of Windows and Web services

• Parallel and Asynchronous programming

• Unit testing, Linq, ORM

• Debugging/troubleshooting in .Net

• Should be proficient in SQL Server 2012 and above in the following areas

• T-SQL Stored Procedures

• Transaction in SQL

• Should have the following design skills

• Expert in OOPs

• Proficiency in Design Patterns

• Proficiency in Unit testing Patterns

• Understanding of Algorithms and Data structures.

• Experience on Requirement/Design/Code Review & Inspections

• Excellent problem-solving and analytical skills.

Desirable Skills

• Hands-on experience with using Git (handling branching and merging), any DevOps pipeline

• Experience with Agile methodologies

-Previous experience working as a Shopify developer.

-Strong knowledge of liquid programming language
-Generate custom – tailored Shopify theme and altering pre – existing template.
-Act as Shopify expert, specializing in all facets of the ecommerce platform.
-Strong hands to Install & Customize new Shopify theme.
-Clear concept of HTML5, CSS3, javascript/Jquery.
-Knowledge in other ecommerce platforms like Magento, woocommerce, BigCommerce will be preferred.
-Strong hands to Install & Customize new Shopify theme.
-A proficiency in working with different Shopify JS APIs (storefront, AJAX Cart, Sections etc.
-Excellent troubleshooting skills.
-Good project management skills

Fulfil’s software engineers develop the next-generation technologies that change how millions of customer orders are fulfilled by merchants. Our products need to handle information at massive scale. We're looking for engineers who bring fresh ideas from all areas into our technology.

As a senior software engineer, you will work on our python based ORM and applications that scales to handle millions of transactions every hour. This is mission critical software and your primary focus will be building robust and scalable solutions that are easy to maintain.

In this role, you will be collaborating closely with the rest of the team working on different layers of infrastructure in an international environment. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product are important.

What You’ll Do:

• Own definition and implementation of API interfaces (REST and GraphQL). We take pride in our 100% open API with over 600 endpoints.
• Implement simple solutions to complex business logic that enables our merchants to manage financials, orders and shipments across millions of transactions.
• Build reusable components and packages for future use.
• Translate specs and user stories into reviewable, test covered patches.
• Peer review code and refactor existing code.
• Integrate with our eCommerce partners (Shopify, BigCommerce, Amazon), shipping partners (UPS, USPS, FedEx, DHL) and EDI.
• Manage Kubernetes and Docker based global deployment of our infrastructure.

Requirements We’re Looking for Someone With:

• Experience working with ORMs like SQLAlchemy or Django (2-3 years)
• Experience with SQL and databases (Postgres preferred)
• Experience in developing large server side applications and microservices
• Ability to create high quality code
• Experience with python testing tools (pytest) and test automation
• Familiarity with code versioning tools like GIT
• Strong sense of ownership and leadership quality
• Experienced in the tools of our web stack- Python, Celery, Postgres, Redis, RabbitMQ

Nice to Haves:

• Prior experience at a growth stage Internet/Software company
• Experience with ReactJS, Google Cloud, Heroku
• Cloud deployment and scaling experience

• Strong knowledge of JavaScript.
• Knowledge of and its frameworks.
• Knowledge of NodeJS deployment over servers like AWS, the digital ocean.
• Good understanding of relational databases. Having experience with MongoDB will be an advantage.
• Proficiency in handling server-side development, deployment, and debugging.
• Having worked in socket programming is an added advantage.
• Good understanding of code versioning tools, such as Git.

We are looking for some one with 3+ Years of experience  with Microsoft technologies including.NET, ASP.Net Core MVC, C#, MS SQL Server. WPF, WCF C#, ASP.NET, XML, XSL, scripting languages including JQuery/JavaScript and HTML. 

Good to have knowledge with SQL Server 2012, indexing and queries and SSIS/SSRS.

Has Implemented Ajax Controls in C# . Net Projects

Complete understanding of MS SQL Database. Data modelling to visualize database structure.

Writing queries use for front‐end applications (websites, desktop applications, Mobile App or cloud apps).

Good understanding of Reviewing query performance and optimizing code.

Designing and coding database tables to store the application’s data.

Creating database triggers, stored procedures & functions.

Creating table indexes to improve database performance.

Has experience in writing unit tests & performing unit tests on own codes.

Responsibilities:‐

• To be responsible for managing technology in projects and providing technical guidance / solutions for work completion.

• To develop and guide the team members in enhancing their technical capabilities and increasing productivity.

• To ensure process compliance in the assigned module and participate in technical discussions/review.

• To prepare and submit status reports for minimizing exposure and risks on the project.

• Experience working with MVC framework.

• Hands on experience on various design patterns

• Experience in Unit testing development.

• Good to have experience on Team foundation server and Agile Development.

• Oversee and review code as required.

• Drive implementation and address technical roadblocks that the team is facing.

• Experience with diagnosing performance and/or memory issues is a plus, including using relevant profiler tools.

• Oversee and assist during system testing, UAT and deployment.