SQL- DWH Developer

* Python (3 to 6 years): Strong expertise in data workflows and automation

* Spark (PySpark): Hands-on experience with large-scale data processing

* Pandas: For detailed data analysis and validation

* Delta Lake: Managing structured and semi-structured datasets at scale

* SQL: Querying and performing operations on Delta tables

* Azure Cloud: Compute and storage services

* Orchestrator: Good experience with either ADF or Airflow

Job Details

- Job Title: Senior Backend Engineer

- Industry: SAAS

- Function – Information Technology

- Experience Required: 5-8 years

- Working Days: 6 days a week, (5 days-in-office, Saturdays WFH)

- Employment Type: Full Time

- Job Location: Bangalore

- CTC Range: Best in Industry

Preferred Skills: AWS, NodeJS, RESTful APIs, NoSQL

Criteria

· Minimum 5+ years in backend engineering with strong system design expertise

· Experience building scalable systems from scratch

· Expert-level proficiency in Node.js

· Deep understanding of distributed systems

· Strong NoSQL design skills

· Hands-on AWS cloud experience

· Proven leadership and mentoring capability

· Preferred candidates from SAAS/Software/IT Services based startups or scaleup companies

Job Description

The Role:

What You’ll Build:

1. System Architecture & Design

● Architect highly scalable backend systems from the ground up

● Define technology choices: frameworks, databases, queues, caching layers

● Evaluate microservices vs monoliths based on product stage

● Design REST, GraphQL, and real-time WebSocket APIs

● Build event-driven systems for asynchronous processing

● Architect multi-tenant systems with strict data isolation

● Maintain architectural documentation and technical specs

2. Core Backend Services

● Build high-performance APIs for 3D content, XR experiences, analytics, and user interactions

● Create 3D asset processing pipelines for uploads, conversions, and optimization

● Develop distributed job workers for CPU/GPU-intensive tasks

● Build authentication/authorization systems (RBAC)

● Implement billing, subscription, and usage metering

● Build secure webhook systems and third-party integration APIs

● Create real-time collaboration features via WebSockets/SSE

3. Data Architecture & Databases

● Design scalable schemas for 3D metadata, XR sessions, and analytics

● Model complex product catalogs with variants and hierarchies

● Implement Redis-based caching strategies

● Build search and indexing systems (Elasticsearch/Algolia)

● Architect ETL pipelines and data warehouses

● Implement sharding, partitioning, and replication strategies

● Design backup, restore, and disaster recovery workflows

4. Scalability & Performance

● Build systems designed for 10x–100x traffic growth

● Implement load balancing, autoscaling, and distributed processing

● Optimize API response times and database performance

● Implement global CDN delivery for heavy 3D assets

● Build rate limiting, throttling, and backpressure mechanisms

● Optimize storage and retrieval of large 3D files

● Profile and improve CPU, memory, and network performance

5. Infrastructure & DevOps

● Architect AWS infrastructure (EC2, S3, Lambda, RDS, ElastiCache)

● Build CI/CD pipelines for automated deployments and rollbacks

● Use IaC tools (Terraform/CloudFormation) for infra provisioning

● Set up monitoring, logging, and alerting systems

● Use Docker + Kubernetes for container orchestration

● Implement security best practices for data, networks, and secrets

● Define disaster recovery and business continuity plans

6. Integration & APIs

● Build integrations with Shopify, WooCommerce, Magento

● Design webhook systems for real-time events

● Build SDKs, client libraries, and developer tools

● Integrate payment gateways (Stripe, Razorpay)

● Implement SSO and OAuth for enterprise customers

● Define API versioning and lifecycle/deprecation strategies

7. Data Processing & Analytics

● Build analytics pipelines for engagement, conversions, and XR performance

● Process high-volume event streams at scale

● Build data warehouses for BI and reporting

● Develop real-time dashboards and insights systems

● Implement analytics export pipelines and platform integrations

● Enable A/B testing and experimentation frameworks

● Build personalization and recommendation systems

Technical Stack:

1. Backend Languages & Frameworks 

●  Primary: Node.js (Express, NestJS), Python (FastAPI, Django)

●  Secondary: Go, Java/Kotlin (Spring)

●  APIs: REST, GraphQL, gRPC

2. Databases & Storage

● SQL: PostgreSQL, MySQL

● NoSQL: MongoDB, DynamoDB

● Caching: Redis, Memcached

● Search: Elasticsearch, Algolia

● Storage/CDN: AWS S3, CloudFront

● Queues: Kafka, RabbitMQ, AWS SQS

3. Cloud & Infrastructure: 

● Cloud: AWS (primary), GCP/Azure (nice to have)

● Compute: EC2, Lambda, ECS, EKS

● Infrastructure: Terraform, CloudFormation

● CI/CD: GitHub Actions, Jenkins, CircleCI

● Containers: Docker, Kubernetes

4. Monitoring & Operations 

● Monitoring: Datadog, New Relic, CloudWatch

● Logging: ELK Stack, CloudWatch Logs

● Error Tracking: Sentry, Rollbar

● APM tools

5. Security & Auth

● Auth: JWT, OAuth 2.0, SAML

● Secrets: AWS Secrets Manager, Vault

● Security: Encryption (at rest/in transit), TLS/SSL, IAM

What We’re Looking For:

1. Must-Haves

● 5+ years in backend engineering with strong system design expertise

● Experience building scalable systems from scratch

● Expert-level proficiency in at least one backend stack (Node, Python, Go, Java)

● Deep understanding of distributed systems and microservices

● Strong SQL/NoSQL design skills with performance optimization

● Hands-on AWS cloud experience

● Ability to write high-quality production code daily

● Experience building and scaling RESTful APIs

● Strong understanding of caching, sharding, horizontal scaling

● Solid security and best-practice implementation experience

● Proven leadership and mentoring capability

2. Highly Desirable

● Experience with large file processing (3D, video, images)

● Background in SaaS, multi-tenancy, or e-commerce

● Experience with real-time systems (WebSockets, streams)

● Knowledge of ML/AI infrastructure

● Experience with HA systems, DR planning

● Familiarity with GraphQL, gRPC, event-driven systems

● DevOps/infrastructure engineering background

● Experience with XR/AR/VR backend systems

● Open-source contributions or technical writing

● Prior senior technical leadership experience

Technical Challenges You’ll Solve:

● Designing large-scale 3D asset processing pipelines

● Serving XR content globally with ultra-low latency

● Scaling from thousands to millions of daily requests

● Efficiently handling CPU/GPU-heavy workloads

● Architecting multi-tenancy with complete data isolation

● Managing billions of analytics events at scale

● Building future-proof APIs with backward compatibility

Why company:

● Architectural Ownership: Build foundational systems from scratch

● Deep Technical Work: Solve distributed systems and scaling challenges

● Hands-On Impact: Design and code mission-critical infrastructure

● Diverse Problems: APIs, infra, data, ML, XR, asset processing

● Massive Scale Opportunity: Build systems for exponential growth

● Modern Stack and best practices

● Product Impact: Your architecture directly powers millions of users

● Leadership Opportunity: Shape engineering culture and direction

● Learning Environment: Stay at the forefront of backend engineering

● Backed by AWS, Microsoft, Google

Location & Work Culture:

● Location: Bengaluru

● Schedule: 6 days a week, (5 days-in-office, Saturdays WFH)

● Culture: Builder mindset, strong ownership, technical excellence

● Team: Small, highly skilled backend and infra team

● Resources: AWS credits, latest tooling, learning budget

Work Location: Bangalore

Job Type: Full-time

Experience Level: 5-10 years

Job Description:

We are looking for a talented Java Developer with a strong background in multithreading, microservices , Spring Boot, data structures and algorithms, and SQL, specifically within the banking sector. The ideal candidate will be responsible for designing and implementing high-performance applications that cater to our financial services.

Key Responsibilities:

• Develop and maintain robust, scalable Java applications using Spring Boot.
• Implement multithreading concepts to enhance application performance and responsiveness.
• Design and optimize data structures and algorithms for efficient data processing.
• Collaborate with business analysts and stakeholders to understand requirements and translate them into technical solutions.
• Write complex SQL queries and optimize database interactions to ensure high performance.
• Conduct code reviews and contribute to team best practices and standards.
• Troubleshoot and resolve issues in a timely manner, ensuring minimal impact on business operations.
• Stay updated with the latest trends in Java development and banking technology.

Required Qualifications:

• Bachelor’s degree in computer science, Information Technology, or a related field.
• Proven experience as a Java Developer, added advantage in the banking or financial services domain.
• Strong proficiency in Java, with a deep understanding of multithreading concepts.
• Hands-on experience with the Spring Boot framework and Microservices
• Solid understanding of data structures and algorithms and their application in solving complex problems.
• Proficient in SQL and experience with relational database management systems (e.g., Oracle, MySQL).
• Strong analytical and problem-solving skills, with the ability to work under pressure.
• Excellent communication skills and the ability to work

If interested, Kindly drop cv in linkedIn: linkedin.com/in/ranjini-c-n-36b674131

Elocity is a cleantech start-up striving to make the world a better place through technology innovations. We are building a global infrastructure for making the transition to electric vehicles viable, affordable, and sustainable by working closely with the utilities, governments, and public.

Headquartered out of Canada, we are a team of highly specialized domain experts and problem solvers enabling utilities, public and private sector entities to successfully manage the demands of electric vehicle charging and its infrastructure needs to pave the way for electromobility in future.

To know more visit https://elocitytech.com/

Responsibilities:

• Determines technical feasibility of features or solutions by evaluating problem, customer requirements, possible solutions and technology requirements.
• Exercises judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.
• Create low-level design of modules of a software application through proper documentation and
• diagrams.
• Develops software solutions by studying requirements, clarifying customer/user needs, analysing data
• and processes and following established software development practices and processes.
• Develops proof of concepts for technical evaluation and early customer feedback
• Updates and shares knowledge by studying state-of-the-art development tools, programming
• techniques, and computing technology; reading professional publications
• Networks with internal and external personnel in own area of expertise.
• Skills:
• Good command in JavaScript/TypeScript. Knowledge of Java/Python will be a plus.
• Experience in Debugging/troubleshooting TypeScript code.
• Experience in API development (REST/GraphQL etc)
• Experience in development of Web and Mobile(android/iOS) applications
• Exposure of Parallel and Asynchronous programming
• Experience in writing Unit tests (Jest or any similar framework)
• Should be proficient in relational Database concepts (Postgres etc.)
• Knowledge of Non-relational Databases would be a plus.
• Good Understanding of Object-Oriented Programming Concepts.
• Good Understanding of Design Patterns.
• Good command of Data structures, Algorithms and Complexity.
• Good at problem solving and analytical skills.
• Experience with Source Code Versioning systems (Git etc)
• Understanding of Micro services Architecture would be a plus 

Techolution is looking for a .NET Developer who will play a crucial role in developing and maintaining our applications. You will be responsible for designing, implementing, and optimizing high-performance, scalable applications using the latest .NET technologies. This role requires a strong foundation in software development, a keen eye for detail, and a commitment to delivering high-quality solutions.

Title : .Net Developer

Location: Hyderabad

Timings: 2 PM - 11 PM

Years of Experience: 3-5yrs

Roles & Responsibilities:

• Develop and maintain high-quality software solutions using C# and ASP.NET Core.
• Design and implement scalable and efficient microservices architecture.
• Utilize Azure Services to enhance application performance and scalability.
• Implement CI/CD practices and principles to ensure smooth deployment and continuous integration.
• Work with NoSQL and SQL databases to manage and store data effectively.
• Apply Test-Driven Development (TDD) methodologies to ensure robust and reliable code.
• Troubleshoot and resolve technical issues, ensuring high performance and responsiveness of applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Communicate effectively with team members and stakeholders, providing regular updates on project status.

Required Skills:

• Strong experience with C# and ASP.NET Core.
• Proficient in Azure Services and cloud-based application development.
• Solid understanding of microservices architecture.
• Hands-on experience with CI/CD practices and tools.
• Experience with both NoSQL and SQL databases.
• Proficient in implementing TDD practices.
• Excellent problem-solving and troubleshooting skills.
• Strong communication and collaboration skills.

About Techolution:

Techolution is a Product Development firm on track to become one of the most admired brands in the world for "innovation done right". Our purpose is to harness our expertise in novel technologies to deliver more profits for our enterprise clients while helping them deliver a 

better human experience for the communities they serve. With that, we are now fully 

committed to helping our clients build the enterprise of tomorrow by making the leap from Lab Grade AI to Real World AI.

We are honored to have recently received the prestigious Inc 500 Best In Business award, a testament to our commitment to excellence. While we are big enough to be trusted by some of the greatest brands in the world, we are small enough to care about delivering meaningful ROI-generating innovation at a guaranteed price for each client that we serve.

Let’s give you more insights!

One of our amazing products with Artificial Intelligence:

1. https://faceopen.com/ : Our proprietary and powerful AI Powered user identification system which is built on artificial intelligence technologies such as image recognition, deep neural networks, and robotic process automation. (No more touching keys, badges or fingerprint scanners ever again!)

Some videos you wanna watch!

• Life at Techolution
• GoogleNext 2023
• Ai4 - Artificial Intelligence Conferences 2023
• WaWa - Solving Food Wastage 
• Saving lives - Brooklyn Hospital
• Innovation Done Right on Google Cloud
• Techolution featured on Worldwide Business with KathyIreland
• Techolution presented by ION World’s Greatest

Visit us @www.techolution.com : To know more about our revolutionary core practices and getting to know in detail about how we enrich the human experience with technology.

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.

Roles and Responsibilities

• Production platform hands-on experience involving Node JS & REST API.

• Hands-on production platform experience working with micro-service back-end architecture.

• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.

• Well-versed in cloud deployment of code blocks.

• Experience with JS testing and code analysis frameworks such as Mocha.

• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.

• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.

• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.

• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.

• Utilize AWS S3 bucket for secure and scalable storage of data and media files.

• Collaborate with QA engineers to perform thorough testing and bug fixes.

• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.

About Easyrewardz:

• Easyrewardz offers industry-agnostic cloud-based CRM, Loyalty and Conversational Commerce solutions that enable seamless omnichannel customer experience.
• At Easyrewardz, we believe that every customer data captured has a story to tell! Our key focus has always been to help brands deliver seamless customer experience and create a deeper customer connect by leveraging actionable insights obtained from data.
• The Indian retail ecosystem is still learning to rely on data when it comes to delivering consistent customer experiences throughout the journey, hence we’ve tried to address those gaps and pain points with our CRM suite.
• Our entire gamut of solutions has Customer Data Platform at the core providing intelligence that powers every product and enables Single View of Customer.

About the role

At EasyRewardz, we're using leading-edge technology to create best loyalty solutions of tomorrow. When you join us as a Sr. Software Engineer, you'll become part of a team focused on innovation and change. You'll work a little harder. You'll aim a little higher. You'll expect more from yourself and others. And at the end of the day, you'll be doing a lot of good work. Through a lot of inspired individuals, we are using technology to build varied nature of loyalty solutions that works better for more people in more ways than ever.

We are looking to reinforce our team with people who are decisive, brilliant and built for speed -- people like you.

As a backend .NET core developer, you will be predominantly involved in:

• Developing business solutions by creating new and modifying existing software web applications.
• Coding, testing, debugging & supporting all types of enterprise web applications consistent with established specifications and business requirements to deliver business value.

This is more than a challenging development role. This is high performance technology.

Responsibilities:

• Develop, test, implement and maintain .net core based middle layer/services application working with established processes.
• Ensure adherence of best coding practicesfor a high-performance data processing backend application.
• Identify production and non-production application issues & assist team with optimal solution.
• Identify opportunities to fine-tune and optimize applications of .Net core developed projects, including periodic code review.
• Provide technicalsupport and consultation for .Net core backend application and deployment related queries

Desired Skills Technical Skills

• Experience in WCF/Web Services or REST API (Using C#.Net core)
• 1+ years of hands on experience (using HTTPS) .Net core Based Windows Services 2+ year of hands on experience SQL Server (2012 or 2014)
• 2+ year of hands on experience in writing high performance SQL queries.
• (MySQL is preferable) Message Queue (RabbitMQ, Kafka or similar) Work experience preferable for message queue based architecture development Distributed Cache Management (Redis Cache, MemCached or similar) Experience preferable

Requirement:-
1. Strong PHP Core programming expertise
2. MySQL DB Model Design and Programming expertise
3. Strong skills in either Joomla or WordPress - at least one is needed.
4. Working know how of HTML 5/ CSS 3
5. Knowledge of SVN or any other version control tools
6. Must have solid REST/API implementation and integration concepts.

Preferred addons :-
1. Good to have Frontend Skills in - Javascript/JQuery/Bootstrap/Angular
2. Experience in common third-party social APIs (google, Facebook, eBay etc)
3. Experience with Payment Gateway integration with APIs like (paypal, payza, authorise.net, Firstdata, Ipayout, Stripe etc)
4. Any experience in Ionic / PhoneGap is a plus

Benefits
1. 6 months of probation period.
2. Working Days: Monday-Friday (As per International Standards).
3. Working Timings: 9 hours per day including break of 1 hour
4. Opportunities to learn and grow.