Fullstack Developer

Role & Responsibilities

• Design, develop, and maintain scalable full stack applications using modern backend and frontend technologies.
• Build and maintain backend services and APIs using technologies such as C#, .NET, Java, or similar backend frameworks.
• Develop responsive and efficient frontend applications using Angular (14+), TypeScript, and JavaScript or similar frontend framework.
• Work on applications deployed in on-premise infrastructure environments, ensuring stability and performance.
• Implement and optimize search capabilities using OpenSearch.
• Design and maintain database structures using relational databases (SQL) and NoSQL databases such as MongoDB.
• Collaborate with cross-functional teams to design, implement, test, and deploy new product features.
• Troubleshoot issues, debug applications, and ensure high reliability and performance of the platform.
• Participate in Agile/Scrum development processes, collaborating closely with team members throughout the development lifecycle.
• Contribute to technical discussions, architecture decisions, and engineering best practices.

Ideal Candidate

• Strong Full stack software engineer having on premise applications development experience
• Mandatory (Experience 1): Must have 5+ years of experience as a Fullstack developer
• Mandatory (Experience 2): Must have hands-on experience in developing and supporting applications deployed on on-premise infrastructure (Not cloud)
• Mandatory (Backend): Must have strong backend development experience using technologies such as C#, .NET, Java, or similar backend frameworks
• Mandatory (Frontend): Must have strong frontend development experience using technologies such as React, Angular, TypeScript, JavaScript or similar frontend frameworks
• Mandatory (Core Skill): Must have exposure to OpenSearch
• Mandatory (DB): Exposure to SQL (Relational DBs) & NoSQL databases like MongoDB
• Mandatory (Company): B2B SaaS companies
• Mandatory (Note 1): This is a hybrid role in Udyog Vihar, Gurgaon
• Mandatory (Note 2): Role will convert into core team member, so need strong intent candidate
• Preferred (Skill): Experience leading technical design discussions, mentoring engineers, and setting engineering standards or architectural guidelines

Job Description

Wissen Technology is seeking an experienced C# .NET Developer to build and maintain applications related to streaming market data. This role involves developing message-based C#/.NET applications to process, normalize, and summarize large volumes of market data efficiently. The candidate should have a strong foundation in Microsoft .NET technologies and experience working with message-driven, event-based architecture. Knowledge of capital markets and equity market data is highly desirable.

Responsibilities

• Design, develop, and maintain message-based C#/.NET applications for processing real-time and batch market data feeds.
• Build robust routines to download and process data from AWS S3 buckets on a frequent schedule.
• Implement daily data summarization and data normalization routines.
• Collaborate with business analysts, data providers, and other developers to deliver high-quality, scalable market data solutions.
• Troubleshoot and optimize market data pipelines to ensure low latency and high reliability.
• Contribute to documentation, code reviews, and team knowledge sharing.
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Required Skills and Experience

• 5+ years of professional experience programming in C# and Microsoft .NET framework.
• Strong understanding of message-based and real-time programming architectures.
• Experience working with AWS services, specifically S3, for data retrieval and processing.
• Experience with SQL and Microsoft SQL Server.
• Familiarity with Equity market data, FX, Futures & Options, and capital markets concepts.
• Excellent interpersonal and communication skills.
• Highly motivated, curious, and analytical mindset with the ability to work well both independently and in a team environment.

Responsibilities:

• Work closely with senior engineers to develop high-quality software solutions
• Collaborate with team members to analyze user requirements and design software solutions
• Participate in agile development processes, including sprint planning, daily stand-ups, and sprint reviews
• Write clean, maintainable, and efficient code
• Develop and maintain unit tests to ensure code quality
• Contribute to the design and architecture of microservices-based applications
• Collaborate with cross-functional teams to troubleshoot, debug, and optimize software applications

Requirements:

• 8+ years of experience in software development
• Proficiency in C#, .NET, Microservices architecture, SQL, and Azure services
• Experience with Agile development methodologies
• Strong problem-solving skills and attention to detail
• Ability to work independently and as part of a team
• Excellent communication skills and willingness to ask questions and seek guidance when needed

Additional Preferred Skills:

• Familiarity with other programming languages and technologies is a plus

Remote position

Full-stack developer | .NET Core + Angular

Are you...

• Interested in working at a successful, well-funded scale-up where every team member can make a huge contribution?
• Keen to make software that people will use every single day to make their lives easier?
• Excited to work on greenfield projects with responsibility and independence?
• Ready to develop and use your skills across our frontend, backend and mobile offerings?
• Meticulous about quality, and gifted with a strong desire to write beautiful code?

About the company

KeyNest solves the key exchange problem for Airbnb users. Our worldwide network of over 4,000 shops store keys so that Airbnb guests / cleaners / contractors can pick them up whenever is convenient for them. As a global partner of Airbnb we’ve checked-in over 2 million guests.

Why we need you

As the entire Airbnb ecosystem increasingly relies on KeyNest, our customers expect us to integrate additional features without reducing the ease of use that our customers love. This is why we continue to invest in beautiful, intuitive user interfaces that integrate with every tool and are used by our customers, their guests and staff, as well as our own staff.

A product manager, a team lead, two full-stack developers, one mobile developer, and a UX designer make up our product team. Who will serve as your mentor. We are looking for a developer who cares about how their code affects users so that we can work together.

With a genuine passion for high quality work, attention to detail and readiness to own your own projects, you will be looking for a new and exciting challenge which allows you to use your experience to drive change and maintain the high standards of our organisation.

Our Tech Stack

• C# MVC modern tech stack
• .Net Core
• Front end web in TypeScript & Angular
• Test Driven Development (TDD) and follow SOLID design principles.
• EF 6.0
• SQL Server 2017
• Agile experience (Scrum, Kanban)
• TFS
• Cloud hosted in Azure with micro-services architecture

Your qualities

• 5+ years experience in C#
• Experience with .NET core
• Front-end web experience in Angular and CSS
• Track record of building great products
• You’ll love the idea of being a big part of a small team. Current team size is 5.
• Motivation and ambition to succeed in a fast-paced environment
• Not afraid to take on responsibilities

What we offer

• Crucial role in a funded, dynamic & fast-growing scale-up shaking up the sharing economy
• Competitive salary based on relevant experience
• Flexible working for our most committed staff
• Unparalleled opportunities to develop your career as the company develops rapidly

If you want to join the KeyNest team, please get in touch – we look forward to meeting you.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Role & Responsibilities:

• Individuals are responsible for all traditional development activities analysis, design, coding, testing, and documentation.
• Add new features to existing Windows and Web-based applications in Visual Studio 2019. Interacting with internal team.
• Transform business and design needs into innovative products.
• Drive all projects to completion within deadlines.
• Perform thorough testing to find issues ahead of time.
• Engineering software needs more precise analysis & coding skillset
• Enhance skillset by working with fortune 500 clients
• Interacting with internal team.

Qualifications:

• E in computer science or related fields.
• Hand on development experience with web & database technologies (MS SQL).
• Excellent programming & communication skills Strong problem solving, judgmental, and decision-making skills.
• Ability to work at the tactical and strategic levels of IT initiatives.
• Impressive hands-on experience in .Net technologies. Impressive hands-on experience and knowledge with C#, SQL, JSON, XML, Win Forms & MVC, Angular, JavaScript, jQuery , HTML/CSS.
• Self-Motivated, flexible & Innovative

• Working knowledge of NodeJS, and JAVASCRIPT, is a must.
• Working knowledge of AWS cloud concepts is a must.
• Must be familiar with AWS serverless architecture.
• Must be familiar with data structure & algorithm concepts.
• Design, develop, and implement beautiful UI components to support business requirements.
• Follows approved life cycle methodologies, creates design documents, and performs program coding and testing.
• Resolves technical issues through debugging, research, and investigation.
• Own & Develop the REST APIs.
• Stay updated with new technologies and of changes in technologies that affect front-end web development.

• Can write reliable, scalable, testable and maintainable code.
• Familiarity with Agile methodologies and clean code.
• Design and/or contribute to client-side and server-side architecture.
• Well versed with fundamentals of REST.
• Build the front-end of applications through appealing visual design.
• Knowledge of one or more front-end languages and libraries (e.g. HTML / CSS, JavaScript, XML, jQuery, Typescript) JavaScript frameworks (e.g. Angular, React, Redux, Vue.js)
• Knowledge of one or more back-end languages (e.g. C#, Java, Python, Go, Node.js and frameworks like SpringBoot, .NET Core) 
• Well versed with fundamentals of database design.
• Familiarity with databases - RDBMS like MySQL, Postgres & NoSQL like MongoDB, DynamoDB.
• Well versed with one or more cloud platforms like - AWS, Azure, GCP.
• Familiar with Infrastructure as Code - CloudFormation & Terraform & deployment tools like Docker, Kubernetes.
• Familiarity with CI/CD tools like Jenkins, CircleCI, Github Actions.
• Unit testing tools like Junit, Mockito, Chai, Mocha, Jest

• Develop frontend components on ReactJS with Redux as state management library
• Should have good knowledge of tailwind CSS
• Must have expertise in JavaScript, ES6, React-Redux, HTML/CSS
• Familiarity with build tools such as Webpack, Babel
• Experience with testing tools such as Jest
• Experience in web security and performance on mobile and desktop
• Familiarity with Git.
• Should be able to make mobile responsive designs
• Knowledge on PWA would be an added advantage

• Develop backend APIs on Express.js and NodeJS
• Should be good with SQL database and perform DDL,DRL,DQL,DCL on database ,preferably PostgresDb.
• Should have familarity with ORM such as sequilize.
• Knowledge on server-less architecture is good
• Experience with monitoring tools web performance and caching techniques
• Experience working in agile methodology projects
• Should have knowledge of design patterns, design practices
• Should have the ability to design and write reusable code
• Ready to work in a challenging and fast-paced environment
• Experience in building Cloud Native applications
• Experience in test-driven development