Dot net Developer

Job Title : Backend Developer (.NET Core)

Experience : 2 to 5 Years

Work Environment :

• Hybrid model : Minimum 3 days/week from office
• Office Location : Hauz Khas, Delhi
• Flexible working hours based on project needs

Job Summary :

We are looking for a skilled and motivated Backend Developer with 2–5 years of experience, proficient in .NET Core and experienced with cloud platforms (AWS preferred or Azure).

You will be responsible for building scalable backend services and RESTful APIs, integrating with cloud components, and ensuring robust data handling.

Key Responsibilities :

• Design, develop, and maintain robust backend systems using .NET Core 6 or above.
• Develop and manage Web APIs for frontend and third-party integrations.
• Work with cloud infrastructure (preferably AWS: Lambda, EventBridge, SQS, CloudWatch, S3; or Azure: AppService, Functions, AzureSQL, EventHub, Blob Storage).
• Work with databases such as SQL Server, PostgreSQL, and tools like PGAdmin.
• Utilize Entity Framework Core, Dapper, or equivalent ORM tools.
• Collaborate using Git or TFS for version control.
• Develop, debug, and maintain code in Visual Studio.
• Write optimized and scalable SQL queries and stored procedures.
• Participate in code reviews and maintain high code quality.

Required Skills :

• Proficient in .NET Core 6+.
• Experience with RESTful API development.
• Strong command of SQL and relational databases.
• Familiarity with cloud platforms (AWS preferred, Azure acceptable).
• Good understanding of Git/TFS.
• Hands-on experience with tools like Visual Studio, SQL Server, PGAdmin.
• ORM experience with Entity Framework Core, Dapper, or similar.

Nice to Have :

• Exposure to asynchronous processing or event-driven architecture.
• Experience working with Cursor-based data fetching or streaming.

Position Responsibilities :

The Database Architect is responsible for the design, optimization, and evolution of the database layer supporting enterprise applications in cloud environments. This role focuses on ensuring efficient data access patterns, scalable query workloads, and robust database architecture capable of supporting high-volume and high-concurrency systems.

This role goes beyond traditional database administration and requires deep technical expertise in SQL query optimization, database internals, and performance diagnostics. The Database Architect analyzes how applications interact with the database and guides improvements in schema design, data access patterns, and system scalability.

As a senior technical leader, the Database Architect helps define long-term strategies for scalable and efficient data architecture while working closely with engineering teams to promote best practices for database design and SQL development.

KEY RESPONSIBILITIES

Database Architecture & Optimization

• Design and evolve database architectures for scalable enterprise systems.
• Define efficient data access patterns that support high concurrency and large datasets.
• Improve schema design, indexing strategies, and query patterns.
• Ensure database designs support both transactional and data consumption workloads.

SQL Performance Engineering

• Analyze and optimize complex SQL queries and execution plans.
• Improve database performance through indexing strategies, statistics management, and query tuning.
• Investigate workload behaviour and recommend architectural improvements.

Data Access & Systems Thinking

• Provide guidance on scalable approaches for retrieving and delivering data for data-intensive application features.
• Recommend architectural strategies such as data aggregation, caching, or pre-computed datasets where appropriate.
• Apply systems thinking to improve how data is modeled, accessed, and delivered across the application.

Advanced Diagnostics

• Diagnose database behaviour using tools such as Query Store, Extended Events, and execution plan analysis.
• Analyze query performance, wait statistics, and workload patterns to identify optimization opportunities.

Collaboration & Technical Leadership

• Partner with engineering teams to guide scalable SQL development and data access practices.
• Participate in architecture and design discussions involving database interactions.
• Document best practices and architectural recommendations.

AI-Assisted Engineering

• Use AI-assisted tools to accelerate query analysis, diagnostics, and workload investigations.
• Validate AI-generated insights through empirical testing and database telemetry.

Qualifications :

TECHNICAL SKILLS & EXPERTISE

Database & SQL Server (Required)

• Advanced SQL Server performance tuning, including query optimization, execution plan analysis, and index design
• Strong experience diagnosing and resolving deadlocks using Extended Events and deadlock graphs
• Deep understanding of locking, blocking, and transaction behaviour, including wait statistics and lock escalation
• Experience optimizing stored procedures, including mitigation of parameter sniffing and plan cache management
• Strong knowledge of indexing strategies, including covering indexes and filtered indexes
• Solid understanding of statistics, cardinality estimation, and query optimizer behaviour

Performance Analysis Tools (Required)

• Experience using SQL Server Profiler and Extended Events for workload diagnostics
• Advanced execution plan analysis using SSMS or Azure Data Studio
• Familiarity with SET STATISTICS IO/TIME for query performance evaluation
• Strong experience using Query Store to analyse query performance and plan behaviour
• Ability to diagnose issues through wait statistics and blocking chain analysis

Enterprise Application Data Architecture

• Strong understanding of database design within multi-tier enterprise applications
• Experience optimizing database workloads supporting high-concurrency systems and large datasets
• Understanding how application query patterns influence database performance
• Familiarity working with application platforms such as .NET, APIs, or modern web frameworks

Cloud & Enterprise Database Environments

• Experience working with cloud-hosted database environments
• Understanding of scalability considerations in enterprise systems
• Experience analyzing and optimizing database workloads in production environments

QUALIFICATIONS

• 8+ years of experience working with enterprise database systems
• Proven expertise in SQL performance tuning and database workload optimization
• Strong experience in analysing execution plans and database performance behaviour
• Experience collaborating with engineering teams on data architecture and query design
• Strong analytical and problem-solving skills

AI-FIRST MINDSET REQUIREMENT

We value engineers who view AI as a productivity multiplier. The ideal candidate actively leverages AI tools to accelerate diagnostics, analyze database workloads, and uncover optimization opportunities while applying strong engineering judgment to validate results

Position: Lead Backend Engineer

Location: Remote

Experience: 10+ Years

Budget: 1.7 LPM

Employment Type: [Contract]

Required Skills & Qualifications:

• 10+ years of proven backend engineering experience.
• Strong proficiency in Python.
• Expertise in SQL (Postgres) and database optimization.
• Hands-on experience with OpenAI APIs.
• Strong command of FastAPI and microservices architecture.
• Solid knowledge of debugging, troubleshooting, and performance tuning.

Nice to Have:

• Experience with Agentic Systems or ability to quickly adopt them.
• Exposure to modern CI/CD pipelines, containerization (Docker/Kubernetes), and cloud platforms (AWS, Azure, or GCP).

Job description

Note: Applications are welcome from candidates who are immediate joiners or currently serving their notice period.

Key Responsibilities:

• Design, develop, and test low-latency, high-volume client-facing applications.
• Develop and maintain enterprise-scale, n-tier applications for the investment banking/capital markets domain.
• Implement microservices-based solutions using Spring Boot and other modern frameworks.
• Work extensively with Core Java 5.0 and above, Spring Framework, and CXF
• Optimize applications for multi-threading and high-performance server-side development
• Collaborate with cross-functional teams to design and implement scalable, secure, and efficient solutions
• Work with RDBMS (preferably Sybase) to handle large-scale data processing.
• Develop and maintain applications on Unix/Linux environments
• Utilize enterprise application design patterns to build robust and scalable solutions.
• Troubleshoot and resolve complex technical issues while ensuring application stability and performance.

Required Skills & Experience:

• 5 to 10 years of hands-on experience in Java development
• Strong knowledge of microservices architecture and cloud-based deployment.
• Expertise in Spring Framework, Spring Boot, and CXF
• Experience in developing and optimizing applications for high-volume, multi-threaded environments
• Solid understanding of financial domain applications, sales, and trading platforms
• Proficiency in working with relational databases (Sybase preferred)
• Familiarity with Unix/Linux environments and shell scripting.
• Strong analytical, problem-solving, and communication skills.
• Ability to articulate and present design ideas effectively.

1. Develop, maintain, and enhance robust backend systems using Python3 and frameworks like Django (mandatory), Flask, and FastAPI (good to have).
2. Design, implement, and maintain highly efficient and automated continuous integration and continuous deployment (CI/CD) processes using Jenkins and configuration management with Ansible.
3. Elevate our testing culture by architecting and implementing innovative testing strategies, focusing on both unit and integration testing to ensure exceptional code quality and extensive coverage.
4. Follow peer-to-peer code reviews and cross-team collaboration to build scalable and reliable solutions.
5. Proficiently work with at least one cloud technology, preferably AWS, to deploy and manage applications in the cloud environment.
6. Possess knowledge of Nginx, load balancing, and scalability to optimize system performance and reliability.
7. Good experience working in distributed micro-service architecture and driving them with crucial requirements like request tracing, debugging critical issues, logging, monitoring, and alerting. 
8. Work in containerized environments using Docker and Docker Compose, and have experience with AWS ECS for container orchestration.
9. Prioritize maintainability and reliability in developing and maintaining software systems, pushing the boundaries of what's possible in our product ecosystem.
10. Collaborate effectively within a team, taking initiatives and driving projects forward with minimal micro-management.
11. Pave the way for maintainable and reliable codebases by introducing novel approaches and best practices in software development.

Requirements

1. Bachelor’s/Master’s degree in computer science.
2. Strong teamwork and communication skills, with a proactive approach to project management and task ownership.
3. Proven track record as an innovative Python developer with a focus on product engineering.
4. Visionary mindset to work in an agile environment, participating in sprint planning, stand-ups, and retrospectives.

Benefits

100% Remote

Insurance

Software Languages: Advanced knowledge of JavaScript, C#, ASP.Net and SQL Server.

Job Responsibilities:

• Gain a clear understanding of customers' businesses and requirements;
• Plan execution methodology and identify fulfillment plan to address the requirements;
• Full lifecycle application development
• Designing, coding and debugging applications.
• Software analysis, code analysis, requirements analysis, software review, identification of code metrics, system risk analysis, software reliability analysis
• Support, maintain and document software functionality
• Programming analytical skill with highly logical and analytical approach
• Manage documentation by working with other teams and consolidating all required types of reports for future use and test case scenarios.
• Ability to visualize data, concepts and work flows to create diagrams, charts and illustrations to supplement documentation.
• Maintain quality service by establishing and enforcing organization standards.
• Maintain professional and technical knowledge by benchmarking state-of-the-art practices.
• Timely reporting to provide visibility of performance to goal.
• Be data driven and flexible to changes with a natural passion for problem solving.
• Maintain professional and technical knowledge by attending educational workshops; reviewing professional publications; establishing personal networks; participating in professional societies.

Key Skills required: 

• 4+ years of rich experience in the software development with advanced knowledge of JavaScript, C#, ASP.Net and SQL Server.
• A self-starter with the ability to work independently and as part of a team.
• Ability to work well in a results oriented environment with firm deadlines;
• Ability to perform multiple tasks effectively while being results-driven and patient
• Able to work both independently and as part of a team
• High degree of attention to detail and trustworthiness
• Strong analytical skills
• Capable of making timely, independent decisions
• Excellent oral, written and interpersonal communications skill
• Ability to think outside the box and generate and implement new ideas.
• Natural interest in team building and leadership with coaching/training skills.
• Excellent organizational skills

About KAFQA

At Kafqa, we are building the next generation performing arts platform. Our mission is to transform how India learns, performs & watchers performing arts. We are currently in stealth mode with a target public launch date in April. Our launch services consist of technology enabled dance classes in our proprietary studios, production facilities and social media broadcasting & competitions.

Founder & Team

The founder is Shariq Plasticwala. He is a graduate of IIT Bombay & Stanford GSB. He was part of the founding team of Amazon India where he played a key role for over 8 years. Among his roles at Amazon, he was the CEO of Amazon’s first joint venture in India and a Board Member of Amazon’s payments business. The other members of the founding team consist of senior executives from Shiamak Davar & Byju’s.

Background

• At least 1+ years’ experience in back-end development in a fast-paced environment, working in Python & Django Framework
• Deep understanding of technologies used in web-deployed SaaS products, including Rest APIs
• Exposure to AWS, Azure or other cloud providers

Opportunity

We will share our workload as a team and we expect you to work on a broad range of tasks. Here’s are some of the things you might have to do on any given day:

• Developing APIs and endpoints for deployments of our product
• Infrastructure Development such as building databases, creating and maintaining automated jobs
• Build out the back-end to deploy and scale our product
• Build POCs for client deployments
• Document your code, write test cases, etc.

Skills

• Hands-on experience with Python (1+ years)
• Sound understanding of Postgres and NoSQL databases such as MongoDB
• Deep familiarity with UNIX, major cloud platforms (AWS, Azure), DevOps
• Understanding of databases, and related tools, paradigms