Sr. Dotnet Developer (WebAPI, Backend)

About the Role:

We are looking for a Software Architect with extensive experience in designing scalable software systems and backend architectures using .NET or Java. This role involves high-level technical decision-making, mentoring engineering teams, and ensuring the technical integrity and evolution of backend systems. Domain experience in healthcare is highly desirable.

Key Responsibilities:

• Architect and design enterprise-level backend systems and scalable APIs.
• Define technology stack, coding standards, and design principles.
• Collaborate with product and engineering teams to translate business needs into technical architecture.
• Review and guide development efforts to align with architectural vision.
• Conduct system performance analysis and ensure robustness and scalability.
• Stay updated with emerging technologies and recommend relevant adoption.

Required Skills:

• 10+ years of hands-on experience in backend development with .NET or Java.
• Proven experience in a Software Architect or equivalent senior-level technical role.
• Expertise in microservices, cloud-native architecture, and design patterns.
• Strong knowledge of SQL/NoSQL databases, API security, and systems integration.
• Experience in system design, documentation, and architectural diagrams.

Preferred Skills:

• Deep understanding of the healthcare domain and its compliance requirements.
• Experience with cloud platforms (Azure, AWS, or GCP).
• Exposure to DevOps, CI/CD pipelines, and monitoring tools.
• Familiarity with frontend stacks and full-stack application design.

What We Offer:

• Strategic and impactful role in shaping product architecture.
• Collaborative and forward-thinking environment.
• Opportunities for professional growth and innovation.
• Flexibility in working model with a focus on delivery.

We are seeking a skilled .NET developer to join our team and contribute to the development of software using the .NET framework. In this role, you will be responsible for creating applications from the ground up, configuring existing systems, and providing user support.

• Participate in requirements analysisCollaborate with internal teams to produce software design and architectureWrite clean, scalable code using .NET programming languagesTest and deploy applications and systemsRevise, update, refactor and debug codeImprove existing softwareDevelop documentation throughout the software development life cycle (SDLC)Serve as an expert on applications and provide technical support

Proven experience as a .NET Developer or Application DeveloperFamiliarity with the ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC))Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET)

• Hands-on experience in modern web-development using .Net core, C#, Angular2+, Javascript, HTML5, CSS
• Expertise in developing services (SOAP-WCF and REST)
• Expertise in web development frameworks like ASP.NET MVC
• Good knowledge of database concepts and Microsoft SQL Server
• Solid foundation in computer science, with strong competencies in data structures, design patterns, concurrency, algorithms, and software design
• Experience working in any of the JavaScript frameworks like Ember.js, AngularJS, or ReactJS is a bonus.
• Strong analytical and troubleshooting skills.
• Ability to work as an individual contributor.
• Flair to learn new technologies and thrive in an agile environment.

• Hands-on experience in backend programming languages.
• Experience in Python 3.X & Django is a must. Knowledge of .NET, Java, PHP is an added advantage.

• Hands-on experience in front-end technologies like Angular, jQuery, JavaScript, HTML, CSS, SCSS, etc.

• Experience with leading technical teams and acting as a technical mentor.
• Experience in client communication & reporting to the client-side management team.
• Experience in AWS is an added advantage.

Must have:

• Knowledge on design, development and deployment of applications based on CMS and Dot Net technology framework
• Strong Analytical, Logical Reasoning and Problem-Solving skills
• Strong in SDLC concepts, RDBMS concepts and SQL/PL-SQL, Data Structures
• Ability to effectively work with a highly technical and virtually located team

Good to have:

• Considerable knowledge in the following: Drupal, .NET MVC, PHP, CSS, Angular, jQuery, Microsoft SQL Server, MySQL, DevOps, Agile software development 
• Exposure to mobile application development using any one of the mobile development platforms (iOS, Android, Windows)

Soft skills:

• Ability to co-ordinate among various user groups and internally within the team. This is a critical skill
• Excellent communication skills, both written and oral
• Ability to multi-task and prioritize
• Deliver on commitments
• Self-Starter and willing to learn many new skills on the job
• Willing to work flexible hours as the job demands
• Excellent trouble shooting skills
• Ability to think through various business issues and come up with solid design solutions that will stand the test of time
• Good listening and influencing skills; a strong customer focus is a must

YOUR RESPONSIBILITIES

• Development and unit testing of web applications including back-end (microservices), maintenance & level 3 support of the same
• Assist Project Managers, Business Analysts, and Tech Lead in project planning (provide estimates, risk analysis, requirements analysis, technical options)
• Software Architecture
• Involvement in full life cycle of projects (including requirement analysis and system design, development and support if required)
• Support and work collaboratively with teams across areas of design, development, quality assurance and operations
• Commit your knowledge and experience into team success
• A small amount of travel (when needed) to work with other offices
• Attend meetings to discuss and demonstrate solutions at both technical and business level

 REQUIRED SKILLS AND EXPERIENCE                                                                                                           

• 5+ years web application development experience
• 3+ years developing with Python
• 3+ years developing with C# and .NET Framework 4.x
• Experience with ASP.NET MVC, ASP.NET WebAPI 2, LINQ, and WCF
• Dependency Injection and other common ASP.NET MVC design patterns
• Experience with API design and development using REST
• Experience with performance optimization
• Experience integrating security best practices into the SDLC
• Experience with object-oriented programming (OOP) and OOP patterns
• Experience with Git
• 1+ years of Agile development experience
• Experience manipulating and working with data in a variety of forms: csv, xml, json, structured and unstructured                                                                                                
• Experience with SQL database schema design and querying. Microsoft SQL Server and PostGreSQL are used and preferred.

DESIRABLE SKILLS AND EXPERIENCE                                           

• Knowledge of JIRA, Bamboo, Confluence, or BitBucket is a plus.
• Experience with a JavaScript MVVM library such as Web Components, knockout.js, Angular, React, etc. is a plus (Web Components and knockout.js are used and preferred)
• Experience with HTML5/CSS3/JavaScript/ and AJAX is a plus
• SPA (Single Page Application) design and implementation is a plus
• Experience with any ORM such as Entity Framework or NHibernate is a plus (NHibernate is preferred)
• Experience with TypeScript is a plus
• Experience with MS Build is a plus
• Experience with CI/CD is a plus
• Experience with Object Mapping Frameworks (AutoMapper, etc) is a plus
• Understanding of OOD, DDD and TDD is a plus
• AWS-based development is a plus
• Knowledge of Flask is a plus.

PERSONAL SKILLS

• Clever personality
• Strong spirit skills set: conflict resistant, self -motivated, result-oriented, responsible, honest, “open”, courageous

How would you leverage your technical expertise to create extraordinary impact for our clients?

ThoughtWorks is a global software consultancy with an aim to create a positive impact on the world through technology. Our community of technologists thinks disruptively to deliver pragmatic solutions for our clients' most complex challenges. We are curious minds who come together as collaborative and inclusive teams to push boundaries, free to be ourselves and make our mark in tech.

Our developers have been contributing code to major organizations and open source projects for over 25 years. They’ve also been writing books, speaking at conferences and helping push software development forward, changing companies and even industries along the way. 

You could influence the digital strategy of a retail giant, build a bold new mobile application for a bank or redesign platforms using event sourcing and intelligent data pipelines. You will use the latest Lean and Agile thinking, create pragmatic solutions to solve mission-critical problems and challenge yourself every day.

For a team to thrive, it needs active collaboration and room for healthy, respectful debate. Senior Developers are the technologists who cultivate this environment while driving teams toward delivering on an ambitious tech vision and acting as mentors for more junior-level consultants. They leverage their deep technical knowledge to solve more complex business problems and actively assess their team’s health, code quality and nonfunctional pipelines. 

You’ll spend time on the following:

• You will use continuous delivery practices to deliver high-quality software as well as value to end customers as early as possible.
• You will work in collaborative, value-driven teams to build innovative customer experiences for our clients
• Create large-scale distributed systems out of microservices
• You will apply the latest technology thinking from our tech radar to solve client problems
• Efficiently utilize DevOps tools and practices to build and deploy software
• You will lead or take part in the entire cycle of software consulting and delivery from ideation to deployment and everything in between
• You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills 

Here’s what we’re looking for:

• You have at least 5 years of experience with two or more development languages such as Java, C#, or Ruby
• You can skillfully write high-quality, well-tested code and you are comfortable with Object-Oriented programming
• Presence in the external tech community: you proactively share your expertise with others via speaking engagements, contributions to open source, blogs and more
• Comfortability with Agile methods, such as Extreme Programming (XP), Scrum and/or Kanban
• You enjoy influencing others and always advocate for technical excellence while being open to change when needed 
• You’re willing and able to commit to travel to client sites in order to solve their business problems
• You’re resilient in ambiguous situations and can approach challenges from multiple perspectives
• Bonus points if you have working knowledge of cloud technology such as AWS, Azure, Kubernetes and Docker