Full Stack Dot Net Developer

About the Role

We’re looking for a Senior Software Engineer who takes ownership seriously, someone who

designs solutions, ships them, and stands behind them in production. You’ll work across a

technically interesting stack on systems that process millions of provider records.

This is a role with real scope: you’ll influence architecture, shape engineering practices, and

work directly with product and leadership to solve hard problems in a domain that genuinely

matters.

Problems You’ll Solve

Healthcare’s provider data problem is a hard distributed systems problem. Hundreds of primary

sources state boards, payers, federal registries each with their own schema, SLA, and failure

mode. Downstream, real credentialing and network decisions depend on whatever truth we can

surface.

API contract stability at velocity. You’re building a platform hundreds of integrations depend

on. How do you evolve a Quarkus/REST API, adding resources, deprecating fields, shifting data

models without breaking consumers? Contract-first design, versioning strategy, and backward

compatibility aren’t theoretical here.Integration reliability at scale. Upstream sources go down, change schemas, and return dirty

data. You’ll build the patterns that absorb that chaos idempotent consumers, dead-letter queues,

circuit breakers, and reconciliation pipelines on top of Kafka and Spanner.

Entity resolution on messy real-world data. Deduplicating and reconciling provider records

across hundreds of heterogeneous sources, where a wrong merge has downstream

consequences. MDM patterns, confidence scoring, and deterministic vs. probabilistic matching

at scale.

AI-augmented velocity without regression. We use Cursor and Claude Code as force

multipliers. The engineering problem is building review culture, eval frameworks, and test

coverage that keeps quality high as output volume increases.

Observability for a data platform, not just a service. Uptime isn’t enough; you need to know

when a provider record is stale, inconsistent, or wrong. You’ll instrument data quality and

lineage, not just p99 latency.

What We’re Looking For

Engineering fundamentals

* 8+ years building and maintaining production-grade systems including systems where

your API is someone else’s dependency and breaking it has real downstream

consequences

* Track record of shipping high-quality software in fast-paced environments you define the

solution, not just implement a spec

* Strong engineering fundamentals: testing, clean code, maintainability, and performance

optimization

* Experience improving system reliability you’ve debugged hard production problems and

made them not happen again, with SLOs and alerting to prove it

* Comfort mentoring earlier-career engineers and influencing technical direction

API & architecture depth

* Deep experience designing and evolving APIs under active consumers: versioning

strategy, backward compatibility, and contract-first thinking

* Fluency across API paradigms REST, GraphQL, gRPC, and async/event-driven APIs

(webhooks, Kafka topics as contracts) and the judgment to know when each is the right

tool

* Hands-on experience with service-oriented and distributed architectures you’ve worked

across SOA, microservices, and event-driven patterns and can make principled tradeoffs

between them based on coupling, latency, and operational complexity

* Experience designing for API consumers as first-class stakeholders SDK ergonomics,

pagination, rate limiting, error semantics, and documentation as part of the contract, not

an afterthought

* Experience with integration patterns at scale you’ve built or maintained systems that

aggregate and normalize data from many heterogeneous upstream sources, and you

understand the reliability and consistency tradeoffs that come with it: circuit breakers, retry

strategies, idempotency, eventual consistency

Data-intensive systems• Strong data modeling instincts you understand the difference between a schema that’s

easy to write and one that’s easy to query, evolve, and trust at scale

* Experience with high-throughput, event-driven systems: you understand ordering

guarantees, consumer lag, and failure modes in Kafka-like architectures

* Strong sense of data quality: lineage, freshness, and correctness matter as much to you

as throughput

AI-era engineering

* In an AI-augmented engineering environment, you write less and review more you’re

skeptical of generated code in the right ways, and you use that leverage to ship 2–3x

what a non-AI-fluent engineer would

* Fluency with AI-assisted engineering tools (Cursor, Claude Code, MCP servers) this is

part of how we work, not a nice-to-have

Communication & compliance

* Strong written and verbal communication you can explain a technical tradeoff to an

engineer and a product manager in the same conversation

* Experience with sensitive data and security best practices (PII, access controls) in

regulated or compliance-adjacent environments

Nice to Have

* Experience building or operating AI/LLM pipelines in production (not just prototypes)

including eval frameworks, fallback behavior, and monitoring for non-deterministic outputs

* Experience with entity resolution or MDM systems at scale deduplicating messy

real-world data across disparate sources

* Familiarity with healthcare credentialing workflows

* Familiarity with healthcare, compliance, or regulated environments

Technologies & Tools

Java 21 / Quarkus · React / TypeScript · GCP (Spanner, BigQuery) · Kafka · Docker /

Kubernetes · GitHub Actions · Sentry · REST / GraphQL / gRPC · Cursor / Claude

Code / Codex

We’re Hiring: Senior .NET Developer

Location: Coimbatore

Experience: 7+ Years

Employment Type: Full-time

About the Role

We are looking for a highly skilled Senior .NET Developer with strong expertise in backend development using C# .NET Core and cloud platforms like Azure. The ideal candidate should have a solid understanding of modern front-end frameworks and experience building scalable, high-performance web applications.

Key Responsibilities

• Design, develop, and maintain applications using C# .NET Core.
• Build and deploy services on Azure Cloud (Web Jobs, Blob Storage, Functions, App Services).
• Work on database design, stored procedures, and SQL performance tuning.
• Develop responsive front-end components using React or Angular.
• Implement and maintain REST APIs and microservices architecture.
• Collaborate with teams using Git (GitHub/GitLab) for version control.
• Contribute to Agile development cycles and DevOps CI/CD pipelines.

Required Skills

• C# .NET Core (Strong hands-on experience)
• Azure Cloud Services – Web Jobs, Blob Storage, Functions, App Services
• SQL Server – Database design, stored procedures, performance tuning
• React or Angular – JavaScript/TypeScript
• REST API & Microservices Architecture
• Git/GitHub/GitLab
• Agile & DevOps Practices (CI/CD, Azure DevOps)

Why Join Us?

• Work with cutting-edge technologies
• Collaborative and innovative work culture
• Opportunities for continuous learning and growth

Required Qualifications:

• OOPS - In-depth understanding of Object Oriented Programming principles

• Solid - In-depth knowledge and practical knowledge of applying SOLID design principles

• Architectural Patterns - In-depth understanding of design patterns and have experience in designing and building complex architecture solutions

• React + Typescript - Extensive hands-on experience in React + Typescript, building high-performance complex frontends

• Unit testing - Ability to write Unit Testing using Jest framework

• Dotnet core webapi - Extensive hands-on experience in writing WebAPIs using dotnet core. Should have advanced knowledge on middlewares, auth flow, etc.

• C# - Solid knowledge on advanced C# language features like Lambda functions, Generics, etc.

• Entity Framework - Solid knowledge on Entity framework database first and code first approach

• Unit testing - Ability to write Unit Testing using popular mock frameworks and XUnit framework

• SQL - Advanced - Extensive hands-on experience in Microsoft SQL (DDL, DML, Aggregates, Functions, Stored proc, etc)

• Query Performance Tuning - Ability to understand query plans and tune compelx queries to improve performance

• Core services - Advanced knowledge and hands-on in building applications hosted in AWS using ECS containers, API Gateway, Lambda, Postgres/DynamoDb

• IAC - Hands-on experience in writing Teraform Scripting - CI/CD, Github pipelines

We are looking for a highly skilled Full Stack Developer to design and scale our real-time vehicle tracking platform. You will be responsible for building high-performance web applications that process live GPS data and visualize it through interactive map interfaces.

Key Responsibilities

Real-Time Data Processing: Develop robust back-end services to ingest and process high-frequency GPS data from IoT devices.

Map Integration: Design and implement interactive map interfaces using tools like Google Maps API or Mapbox for real-time asset visualization.

Geofencing & Alerts: Build server-side logic for complex geospatial features, including geofencing, route optimization, and automated speed/entry alerts.

API Development: Create and maintain scalable RESTful or GraphQL APIs to bridge communication between vehicle hardware, the database, and the user dashboard.

Database Management: Architect and optimize databases (e.g., PostgreSQL with PostGIS) for efficient storage and querying of spatial-temporal data.

Performance Optimization: Ensure high availability and low-latency response times for tracking thousands of simultaneous vehicle connections.

Required Technical Skills

Front-End: Proficiency in React.js, Angular, or Vue.js, with experience in state management (Redux/MobX).

Back-End: Strong experience in Node.js (Express/NestJS), Python (Django/Flask), or Java (Spring Boot).

Mapping: Hands-on experience with Google Maps SDK, Leaflet, or OpenLayers.

Real-time Communication: Expertise in WebSockets or Socket.IO for live data streaming.

Databases: Proficiency in SQL (PostgreSQL/MySQL) and NoSQL (MongoDB/Redis) for caching.

Cloud & DevOps: Familiarity with AWS (EC2, Lambda), Docker, and Kubernetes for scalable deployment.

Qualifications

Education: Bachelor’s or Master’s degree in Computer Science or a related field.

Experience: 3–6+ years of professional full-stack development experience.

Niche Knowledge: Prior experience with telematics, IoT protocols (MQTT, HTTP), or GPS-based applications is highly preferred.

The ideal candidate will be familiar with the full software design life cycle. They should have experience in designing, coding, testing and consistently managing applications They should be comfortable coding in a number of languages and have the ability to test code in order to maintain high-quality code.

NET Developer Responsibilities:

• Utilizing Microsoft's .NET infrastructure to create software solutions that meet clients' requirements.
• Collaborating with coworkers to facilitate the creation of large, complex developments, as required.
• Reformulating existing code to ensure adherence to stipulated guidelines.
• Check your code to detect and remedy errors and omissions.
• Testing your outputs to ensure that they are in excellent working order.
• Ensuring that outputs are visually appealing, user-friendly, and engaging.
• Deploying developments and monitoring uptake by the target audience.
• Using clients' feedback to inform the creation of subsequent versions of each development.

Skills: Microsoft. Net, Win forms, LINQ, Entity Framework, Integrating REST Ful APIs, SQL

Good to have: ElectronJs, Electron. Net

• Track record of delivering various features in large-scale applications or core systems with at least 5 years of experience. If you've written code in big data applications handling multitudes of data or real-time events, you're in.
• Experience writing multi-component systems or micro-services, with architectures requiring efficient inter-application communication. If you know what Kafka is, and think it's the bee's knees, we will think the same of you.
• Experience writing in a high-level language such as Go, C, Rust, Python, Ruby, etc.. If you're already writing Go, or spent a weekend debugging the worse memory leak ever, that's a big plus.
• Experience writing APIs (either RESTful or not) and RPCs. If you've broken backwards compatibility for your customers once, and dealt with the fallout, we want you (to deal with the fallout again).
• Experience with RDBMS systems (e.g. MySQL, PostgreSQL, Oracle, SQLite) and/or NoSQL databases (e.g. MongoDB, Redis, Cassandra, Couchbase). If you've written queries with more than two joins, or have a strong opinion of why an integer is better as a primary key (or maybe a UUID), we'd like to hear from you.
• Experience with container platforms and orchestrators such as Docker, Kubernetes and OpenShift is a plus. If you can name one way in which a container is different than a regular process, you're golden.
• Are you a free software/open source nerd? Do you maintain open source projects? Are you a Hacker News reader? Do you remember the days when you had to compile your own Linux kernel? Do you believe it should be called GNU/Linux? Have you ever been in a fight with an Emacs user? Are you an Emacs user? Well, we have the job for you!

• BE/BTech/MTech with  1-7 years of experience in .NET Framework like C#.Net and ASP.Net
• Atleast 1-7 years of experience on Web Application development with ADO.Net, HTML, CSS, JavaScript/Jquery
• Good experience in Writing Complex SQL Queries using any of the RDBMS Database like Oracle, SQL Server etc
• Experience in Creating and Testing Stored Procedures and Functions

Secondary Skills

• Ability to analyse the existing code in the application and identify the Program Logic
• Experience in implementing AJAX through Javascript/Jquery
• Experience in Creating Reports and Documents using Crystall Reports
• Experience in creating Front End Validations using JavaScript/Jquery
• Experience in doing Manual or Automated Test will be a plus

You will be responsible for architecting, training the team and implementing your solution. You will be working closely with the Product Managers and the tech leads/developers to come up with high-quality, resilient, and highly performant applications.

• Design and develop SaaS-based applications based on microservices architecture.
• Work on core back-end and ensure it meets the performance benchmarks.
• Work on optimizing the middleware and backend technologies to ensure highest scalability.
• Work on best system design principles and ensure high availability.
• Designing and developing APIs for the front end to consume.
• Constantly improve the architecture of the application by clearing the technical backlog.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent.
• Overall 8+ years of experience.
• Agnostic/Polyglot with multiple tech stacks.
• Worked on open source technologies - NodeJS, Typescript, ReactJS, MySQL, NoSQL, MongoDB, ELK, Kafka, Redis.
• Good experience with Front-end technologies like JavaScript frameworks, ReactJS, AngularJS.
• Back-end exposure - good knowledge of building API.
• Efficient in building microservices in combining server & front-end.
• Knowledge of cloud architecture especially using AWS and its features.
• Should be completely hands on and have the ability to develop quick Prototypes.
• Good understanding of CMS.
• Will be responsible for the functional/technical track of a project.

You will closely work with the engineering team and support the Product Team of Empuls.

A wholesome opportunity in a fast-paced environment will enable you to juggle between concepts yet maintain the quality of content, interact, share your ideas, and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.

A fast-growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore, and Dublin. We have three products in our portfolio: Plum, Empuls, and Compass. Xoxoday works with over 1000 global clients. We help our clients engage and motivate their employees, sales teams, channel partners, or consumers for better business results.

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. However, we assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.