Sr. Software Engineer- Backend Developer

Job Title : Senior .NET Developer

Experience : 8+ Years

Location : Trivandrum / Kochi

Notice Period : Immediate

Working Hours : 12 PM – 9 PM IST (4-hour mandatory overlap with EST)

Job Summary :

We are hiring a Senior .NET Developer with strong hands-on experience in .NET Core (6/8+), C#, Azure Cloud Services, Azure DevOps, and SQL Server. This is a client-facing role for a US-based client, requiring excellent communication and coding skills, along with experience in cloud-based enterprise application development.

Mandatory Skills :

.NET Core 6/8+, C#, Entity Framework/Core, REST APIs, JavaScript, jQuery, MS SQL Server, Azure Cloud Services (Functions, Service Bus, Event Grid, Key Vault, SQL Azure), Azure DevOps (CI/CD), Unit Testing (XUnit/MSTest), Strong Communication Skills.

Key Responsibilities :

• Design, develop, and maintain scalable applications using .NET Core, C#, REST APIs, SQL Server
• Work with Azure Services: Functions, Durable Functions, Service Bus, Event Grid, Key Vault, Storage Queues, SQL Azure
• Implement and manage CI/CD pipelines using Azure DevOps
• Participate in Agile/Scrum ceremonies, collaborate with cross-functional teams
• Perform troubleshooting, debugging, and performance tuning
• Ensure high-quality code through unit testing and technical documentation

Primary Skills (Must-Have) :

• .NET Core 6/8+, C#, Entity Framework / EF Core
• REST APIs, JavaScript, jQuery
• SQL Server: Stored Procedures, Views, Functions
• Azure Cloud (2+ years): Functions, Service Bus, Event Grid, Blob Storage, SQL Azure, Monitoring
• Unit Testing (XUnit, MSTest), CI/CD (Classic/YAML pipelines)
• Strong knowledge of design patterns, architecture, and microservices
• Excellent communication and leadership skills

Secondary Skills (Nice to Have) :

• AngularJS/ReactJS
• Azure APIM, ADF, Logic Apps
• Azure Kubernetes Service (AKS)
• Application support & operational monitoring

Certifications (Preferred) :

• Microsoft Certified: Azure Fundamentals
• Microsoft Certified: Azure Developer Associate
• Relevant Azure/.NET/Cloud certifications

Job Overview

Architect and build scalable, high-performance backend systems while working on mission-critical platforms that process real-time market data and portfolio analytics. The role also involves leveraging Generative AI capabilities to enhance data intelligence, automation, and user-facing features, while ensuring regulatory compliance and secure financial transactions.

Key Responsibilities

• Design, develop, and maintain scalable backend services and APIs using NodeJS and Python
• Build event-driven architectures using RabbitMQ and Kafka for real-time data processing
• Develop and manage data pipelines integrating PostgreSQL and BigQuery for analytics and warehousing
• Integrate and deploy Generative AI models (LLMs, embeddings, AI APIs) into backend systems for automation, insights, and intelligent workflows
• Design AI-powered features such as recommendation systems, document processing, or conversational interfaces
• Ensure system reliability, security, and low-latency performance for mission-critical systems
• Lead technical design discussions, conduct code reviews, and mentor junior engineers
• Optimize database queries, implement caching strategies, and improve overall system performance
• Collaborate with cross-functional teams to deliver end-to-end product features
• Implement monitoring, logging, and observability solutions

Required Skills and Qualifications

• 2+ years of professional backend development experience
• Strong expertise in NodeJS and Python for production-grade applications
• Proven experience building RESTful APIs and microservices architectures
• Experience working with Generative AI frameworks/APIs (OpenAI, LangChain, vector databases, prompt engineering)
• Understanding of integrating LLMs into production systems (RAG, embeddings, fine-tuning basics)
• Strong proficiency in PostgreSQL, including query optimization and schema design
• Hands-on experience with RabbitMQ and Kafka
• Experience with BigQuery or similar data warehousing solutions
• Solid understanding of distributed systems, scalability patterns, and high-traffic applications
• Strong knowledge of authentication, authorization, and security best practices
• Experience with Git, CI/CD pipelines, and modern development workflows
• Excellent problem-solving and debugging skills
• Exposure to fintech or financial services, cloud platforms (GCP/AWS/Azure), Docker/Kubernetes, caching tools (Redis/Memcached), and regulatory requirements (KYC, compliance, data privacy) is a plus

Apply directly at: https://wohlig.keka.com/careers/jobdetails/136351

Job Title: Principal Backend Engineer

Experience: 7+ Years

Location: Panchkula (Onsite)

📍 Office will move to IT Park, Chandigarh from February

Work Mode: Onsite | 5 Days a Week

About the Role

We are looking for a Principal Backend Engineer to architect, scale, and lead the development of robust backend systems. This is a hands-on leadership role where you’ll drive technical decisions, mentor engineers, collaborate closely with clients and product teams, and help modernize platforms using scalable architectures and emerging technologies, including AI/ML where relevant.

Tech Stack

• Backend: PHP (Laravel / CodeIgniter), Node.js
• Databases: MySQL, MongoDB
• Architecture: Microservices / Modular Monolith
• Cloud (Good to Have): AWS / GCP

Key Responsibilities

Backend Architecture & Development

• Own and evolve backend architecture across PHP and Node.js services
• Design and review scalable, maintainable systems (microservices or modular monoliths)
• Manage and optimize integrations across MySQL and MongoDB (data modeling, indexing, performance tuning)

Technical Leadership

• Lead system design discussions, architecture reviews, and code quality initiatives
• Establish backend development standards, best practices, and documentation
• Mentor mid and senior engineers on design patterns, testing strategies, and CI/CD pipelines
• Drive decisions around refactoring legacy systems and platform modernization

Client & Stakeholder Communication

• Act as the technical SPOC for backend architecture and integrations
• Translate business and product requirements into technical solutions
• Explain trade-offs, constraints, and backend workflows to non-technical stakeholders
• Present PoCs and technical approaches confidently to clients

AI & ML Integration (Strategic / Optional)

• Identify backend use cases for AI such as personalization, recommendations, fraud detection, or data enrichment
• Design backend APIs, services, or cron jobs that interact with AI/ML models
• Collaborate with data teams and stay updated on AI tools/APIs (e.g., OpenAI, LangChain)

Scalability, Security & Performance

• Ensure API security, role-based access control, and rate limiting
• Optimize system performance using caching, queues, and query optimization
• Plan and support horizontal/vertical scaling on cloud infrastructure

What We’re Looking For

• 8+ years of backend development experience in PHP and/or Node.js
• Strong expertise in database design (MySQL & MongoDB)
• Proven experience leading architecture decisions and mentoring engineers
• Ability to clearly communicate technical concepts to clients and stakeholders
• Proactive mindset toward scalability, performance, and system resilience
• Bonus: Experience or curiosity around AI APIs and real-world AI integration

Why Join uEngage?

• Work on high-impact systems used by thousands of users
• Collaborate with product, design, data, and client teams
• High ownership and freedom to architect and innovate
• Competitive compensation and a collaborative work culture

As a Backend-End developer, you will be responsible for building the server side of the web applications. You should have the ability to write clean code, modular, and loosely coupled code by the use of design patterns. you should be able to break down and architect complex software. You will be building high scale products on that account good to have experience in building highly scalable and reliable systems.

What will you do at Medibuddy?

• Build and manage REST API stack for MediBuddy Mobile and Web Apps.
• Design, Develop and architect Instant Messaging Engines.
• Low level Design [Classes, Code, DB design]
• Deployment and prod Env Monitor
• High level Design [System architecture, Caching, Queue] [Mid level]
• Integrate with ML and NLP engines , Build Chatbots.
• Data analytics, User Analytics & App Analytics.
• Build Web Applications & Dashboards.
• DevOps, DBMS & Scaling on AWS.
• 
  

What makes you a match for us? 

Academic background: B.E/B.Tech from top ranked colleges.

● 3+ years of experience with building backend applications.Web Apps & Analytics.

● Experience in deploying applications at scale in production systems.

● Experience in building and managing API endpoints for multimodal clients.

● Enthusiasm to learn and contribute to a challenging & fun-filled startup.

● Knack for problem solving and follow efficient coding practices.

● Hands on experience with 

Tech stacks ::NodeJS, Nest.js, Express JS, Python - Django

SQS,RabbitMQ, SNS

Databases/Datastores:: Mysql, Redis, Memcache, Mongodb

Logging:: ELK,Cloudwatch

AWS:: RDS, ECS, EBS, Cloudwatch, ELK, Redshift

Protocols:: HTTP, XMPP, MQTT, Socket.io, TCP

Version Control: Git

What does Engineering do @ MediBuddy?

To deliver high quality products, the Engineering team has over 190+ engineers with skill sets across Android, iOS, NodeJS, .NET, Backend, Fullstack, QA, Data Science, Data Engineers, Security, DevOps etc. We use microservices architecture on AWS cloud. Our Engineering teams are organized as Pods with Weekly sprints. We solve a variety of user, product and business problem statements at scale under one roof, which is very unique. 

We're simultaneously building - 

1. Digital communication stack (video, chat and call consultations with Doctors) Ecommerce stack (medicine delivery) 
2. Hyperlocal stack (lab tests @ Home) 
3. Transactions stack (for all healthcare transactions) 
4. Booking of services stack (for in clinic doctor consultations) 
5. Data security, data science stack (NLP, imaging, video, audio based data problems and data analytics) 
6. B2B stack (for large corporates to provide healthcare to employees and large insurers to provide healthcare services to policyholders)

Role: Technical Co-Founder

Experience: 3+ years (Mandatory)

Compensation: Equity Only (No Salary)

Requirements:

Strong full-stack development skills

Experience building web applications from scratch

Able to manage complete tech independently

Startup mindset & owne

rship attitude

Tasks:

·      You will take part in the design of the architecture and the development of modern software-based applications in the back-end (Node.JS, TypeScript, Nest.JS)

·      You support the technological conception, programming and implementation of new features

·      You help manage IoT-to-Cloud services, Microservices, Kubernetes and Docker on GCP

Requirements:

·      Bachelor or Master student in an IT-related field of study

·      Ability to holistically conceive applications in multiple technologies in the backend

·      Experience in agile software development with JavaScript, TypeScript, Node.JS and ideally Nest.JS

·      First experiences in Cloud (AWS/Azure/GCP) and Docker

·       

Nice to Have:

·      Experience with GraphQL, Microservices, Kubernetes

·      Understanding of IoT device management and message brokers like AMQP or MQTT

Benefits:

·      A responsible position in a fast-growing and highly innovative start-up

·      An agile and diverse team with colleagues from all over the world

·      English speaking open work environment, with flat hierarchies and short decision-making paths

·      Advanced technology stack leveraging cutting-edge IoT hardware and software

·      Creative freedom for own ideas, projects and personal development

·      Team building, learning and start-up events

Job description

Do you want to work with high traffic OLTP and OLAP systems that provide real value to retailers? Want to build real web applications that work across multiple channels and devices? In this critical role, the right candidate should have an entrepreneurial mind-set, have experience working across an application stack and a strong background in developing complex web experiences that are rich, responsive and interactive. The individual should have exhibited good technical leadership skills and be a highly motivated individual.

Role & Responsibility

• Exhibit strong technical knowledge, leadership skills and independent execution.
• A keen eye for good experiences. Understanding the experience from a customer perspective.
• Drive design discussion of complex features and own development of these modules across the application stack.
• Ability to adapt to changing business and product needs.
• Experience evolving the design and operation scale as new features are added to the product
• Mentor junior developers and ensure quality code output (via code reads, reading references, etc.) from them.
• Co-ordinate with internal teams and external partners in ensuring we build the best solution on time for the customer. Constantly looking at ways to innovate and improve the product.
• 8+ years of experience in Java & J2EE based Web Technologies & Frameworks with a focus in either Service Oriented Architecture or APIs. 
• Experience in designing scalable solutions in a large-scale distributed environment.
• Strong knowledge of web technologies, common web frameworks, networking, SQL and database technologies
• Well versed in software engineering principles, frameworks and technologies
• Strong debugging / troubleshooting skills.
• Ability to propose and defend solutions.
• Ability to work closely with product management, customer support, and  other engineering teams to continuously evolve and innovate the enterprise-class Products.