C# with WinForms developer

Role & Responsibilities

As a Founding Engineer, you'll join the engineering team during an exciting growth phase, contributing to a platform that handles complex financial operations for B2B companies. You'll work on building scalable systems that automate billing, usage metering, revenue recognition, and financial reporting—directly impacting how businesses manage their revenue operations.

This role is ideal for someone who thrives in a dynamic startup environment where requirements evolve quickly and problems require creative solutions. You'll work on diverse technical challenges, from API development to external integrations, while collaborating with senior engineers, product managers, and customer success teams.

Key Responsibilities

• Build core platform features: Develop robust APIs, services, and integrations that power billing automation and revenue recognition capabilities.
• Work across the full stack: Contribute to backend services and frontend interfaces to ensure seamless user experiences.
• Implement critical integrations: Connect the platform with external systems including CRMs, data warehouses, ERPs, and payment processors.
• Optimize for scale: Design systems that handle complex pricing models, high-volume usage data, and real-time financial calculations.
• Drive quality and best practices: Write clean, maintainable code and participate in code reviews and architectural discussions.
• Solve complex problems: Debug issues across the stack and collaborate with cross-functional teams to address evolving client needs.

The Impact You'll Make

• Power business growth: Enable fast-growing B2B companies to scale billing and revenue operations efficiently.
• Build critical financial infrastructure: Contribute to systems handling high-value transactions with accuracy and compliance.
• Shape product direction: Join during a scaling phase where your contributions directly impact product evolution and customer success.
• Accelerate your expertise: Gain deep exposure to financial systems, B2B SaaS operations, and enterprise-grade software development.
• Drive the future of B2B commerce: Help build infrastructure supporting next-generation pricing models, from usage-based to value-based billing.

Ideal Candidate Profile

Experience

• 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems.
• Strong backend development experience using one or more frameworks: FastAPI / Django (Python), Spring (Java), or Express (Node.js).
• Deep understanding of relevant libraries, tools, and best practices within the chosen backend framework.
• Strong experience with databases (SQL & NoSQL), including efficient data modeling and performance optimization.
• Proven experience designing, building, and maintaining APIs, services, and backend systems with solid system design and clean code practices.

Domain

• Experience with financial systems, billing platforms, or fintech applications is highly preferred.

Company Background

• Experience working in product companies or startups (preferably Series A to Series D).

Education

• Candidates from Tier 1 engineering institutes (IITs, BITS, etc.) are highly preferred.

A Day in the Life

As a Backend Developer, you will be responsible for building and maintaining secure, scalable, and high-performance backend systems that power our fintech products. You'll collaborate closely with product managers, frontend developers, QA engineers, and DevOps teams to design APIs, integrate third-party services, troubleshoot production issues, and deliver reliable solutions that enhance the customer experience.

Key Responsibilities

Design, develop, test, and maintain backend applications using C# and .NET/.NET Core.

Build and optimize RESTful APIs and microservices.

Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.

Integrate with third-party systems, payment gateways, and external APIs.

Write clean, maintainable, and well-documented code following best practices.

Troubleshoot, debug, and resolve application issues in development and production environments.

Optimize application performance, scalability, and security.

Participate in code reviews and contribute to continuous improvement initiatives

Basic Qualifications & Skills

Bachelor's degree in Computer Science, Information Technology, or a related field.

1+ years of experience in backend development.

Hands-on experience with C#, .NET/.NET Core, ASP.NET Web APIs, and Entity Framework.

Strong understanding of relational databases such as SQL Server, MySQL, or PostgreSQL.

Knowledge of REST APIs, authentication mechanisms, and API security.

Familiarity with version control systems such as Git.

Strong analytical and problem-solving skills.

Good communication and collaboration abilities.

Candidate Profile

• Minimum 2+ years of experience.
• Should have worked with Product based company for a minimum 2+ yrs 
• Strong background in Microsoft Technologies and SDLC concepts. Should have experience in below technologies:
• Microsoft .Net (ASP.NET & ASP .NET CORE)
• C#, JavaScript, CSS, JQuery /, Typescript
• Knowledge on Node Js
• MVC and WebAPI
• MS SQL Server management Studio (SSMS) to develop database objects such as Stored Procedures, Functions, views, triggers, constraints etc. and look for performance tuning and Exception handling for these components
• Good to have: Understanding of MS Excel VBA /MS-access/ macro codes

Job description

Greetings Candidate

We are hiring for the Dot Net Developer

#dotnetdeveloper

Company Name:- My Flight Search

Website:- www.myflightsearch.com

Location:- Remote but Start office Soon from Gurgaon

Shift Time:- 3PM to 12PM

Cab Facility Provided by the Company.

Exp. Required:- 8-12 Years

Salary:- 22 LPA

Candidates from Travel Domains will be Preferred

Candidates must be expert into:-

Web API, C#, SQL Server

• Design, develop, implement, test and support new Sitecore 8.2 features defined by business project team.
• Participate in discussions with product owner to refine requirements.
• Work with the rest of the development team, helping where appropriate

• Certified senior or semi-senior Sitecore developer with 4+ years Supporting and Developing Sitecore solutions (must have)
• Senior or semi-senior MVC C# developer (must have)
• 4+ years experience with front end development: javascript, css, HTML. (must have) • Experience with personalization features and xDB with MongoDB (nice to have) • Familiar with secure coding practices - how to prevent SQL injections, Encrypted traffic, etc

About OJ Commerce: 

OJ Commerce is a fast-growing, profitable online retailer based in Florida, USA with a full-fledged India office based in Chennai driven by a sophisticated, data-driven system to run the operations with virtually no human intervention. We strive to be the best-in-class ecommerce company delivering exceptional value to customers by leveraging technology, innovation and brand-partnerships to provide a seamless & enjoyable shopping of high-quality products at the best prices to our customers.

Responsibilities:

Work with business-stakeholders to understand requirements, prototype, build and deploy it.

CRUD the backend code you own keeping maintenance, performance and security in mind.

Keep up breast of latest technologies and its ecosystem and adopt ones that aid safe product delivery at speed.

Automate the boring and mundane stuff for you prefer to be productive than being busy.

We are flat. Be responsible for professional growth of self and the team. 

• Tune application for performance.
• Take initiatives and manage change to work towards business goals at speed without compromising safety.
• Coach full-stack developers on backend skills.
• Provides problem resolution support, specific to application issues, identifies and resolves problems in application software, determines symptoms and ensures accurate problem definition

Develop functional, architectural and other documentation as required for productive functioning of teams.

• Be the brand ambassador for OJ Commerce by speaking at meetups, conferences, etc.
• We are fluid. Be ready for changing dynamics in responsibilities from time to time. Exciting isn't?
• Take the lead in digital transformation of legacy applications.

What you need to shine?

• You have the prior experience in modernising legacy applications.
• You are a passionate hands-on developer with deep experience in building enterprise grade software in Microsoft ASP.NET Core, ASP.NET MVC, Web API, SOA, Micro-Services and RESTful Services with knowledge of SQL Server database.
• You have the ability to see and work on the big picture (Application Architecture) and devilish details (Complex Code).
• Strong experience in developing web applications using C#, VB.Net, .NET, LINQ, Net Framework 4.0, MVC 3/4/5, ASP.NET Web API, .Net Core etc.
• You are Cloud savvy, preferably Google Cloud.
• You have rich experience in Object-Oriented Programming (OOP) with good knowledge of practical design-patterns and its applications.

Hands-on experience in building SOA or Micro-services preferably on .NET Core.

Proven Architectural skills with high standards in Code quality

Knowledge of ReactJS/Typescript would be added advantage.

Practical experience in Agile development methodologies of using CI/CD.

Extreme Programming (TDD) experience is sought after by us.

What we Offer

• Greenfield opportunity to transform legacy backend applications to latest technology stack.
• Fast-paced start-up environment: This is not for the faint hearted; you need grit and passion as much as you need the core skills.
• Work in an interdisciplinary team where learning from one another and developing solutions cross-functionally is a key part of our culture.
• Golden opportunity to make history by making big business impact.
• Competitive salary to take good care of self and family.
• Insurance Benefits: Medical and Accident cover.
• Flexible Working Hours

• Write clean, scalable code using .NET programming languages
• Remain up to date with the terminology, concepts, and best practices for coding mobile apps
• Develop technical interfaces, specifications, and architecture
• Use and adapt existing web applications for apps
• Create and test software prototypes
• Develop client displays and user interfaces
• Assist software personnel in handling project-related work and other requirements
• Coordinate with other software professionals and developers

• Familiarity with the ASP.NET framework, SQL Server, and design/architectural patterns (e.g. Model-View-Controller (MVC)
• 5 years of development experience using C# .NET
• Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic . NET) and HTML5/CSS3
• Familiarity with architecture styles/APIs (REST, RPC)
• Understanding of Agile methodologies
• Strong attention to detail
• Excellent troubleshooting and communication skills
• Knowledge of REST and RPC APIs
• Able to work well in a team setting

• Web development using PHP & experience in coding on MVC architecture of Laravel
• REST API knowledge is a must with oAuth security
• Understanding of mobile apps with REST API integration, firebase & google analytics is important
• Need to have knowledge of querying MySQL & NoSQL databases like MongoDB
• Experience with Node Js for our notification system

• Understanding of cloud services like Google cloud & AWS ec2 instance is a bonus for the profile

Demonstrable experience in Core Java (8 or higher) and Spring framework (Core, AOP, Batch, JMS).

Multithreading, Data structure, Algorithm, Eceptional handling,OOPS Concepts, collections

• Excellent customer facing skills that include conducting compelling technical briefing & demonstrations. The person should have a technical aptitude to implement new technologies and articulate the solutions to the customer.
• Java, Spring with Database & Unix - Preferred with Scala or Spark(Hadoop) background
• Proven knowledge in OOPS & Data Structures
• Strong experience of developing multi-threaded and synchronization application
• Demonstrated delivery experience of Micro services APIs using Springboot, Oracle PL/SQL development and activities like Performance tuning / Optimization.
• Experience of using Git/Bitbucket, Maven/Bamboo, & related tools.
• Good Understanding of Agile Delivery Methodology & experience in working with Scrum teams.