Data Warehouse Developer

Locations: Bangalore & Mumbai

⏳ Experience: 3–15 Years

⚡ Notice Period: Immediate Joiners or Max 10 Days

Mandatory Skills:

✅ Strong Core Java

✅ Excellent Problem-Solving Skills

✅ Data Structures & Algorithms

✅ AI / LLM Knowledge

✅ Strong Coding Skills

Important:

Candidates must be available for a Face-to-Face Interview in Bangalore or Mumbai.

Only Immediate Joiners or candidates serving up to 10 days' notice period will be considered.

Java Developer – Job Description

Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL.

We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.

Required Skills

• Experience: 4 to 7 years.
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts.

About Wissen Technology

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015.

Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including:

• Application Development
• Artificial Intelligence & Machine Learning
• Big Data & Analytics
• Visualization & Business Intelligence
• Robotic Process Automation
• Cloud
• Mobility
• Agile & DevOps
• Quality Assurance & Test Automation

We have been certified as a Great Place to Work® for two consecutive years (2020–2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Hiring: Senior AI Engineer / AI Architect (Part-Time)

Location: 100% Remote (India)

Employment Type: Part-Time (4 Hours Daily)

About the Role

We are looking for an experienced Senior AI Engineer / AI Architect to design, develop, and deploy enterprise-grade AI solutions. This role is ideal for a highly skilled professional with deep expertise in Generative AI, Agentic AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), and cloud-native AI architectures.

You will lead the design and implementation of intelligent AI systems that automate business processes, enhance decision-making, and seamlessly integrate with enterprise applications across AWS and Azure environments.

Key Responsibilities

Generative AI & Agentic AI

• Design and build enterprise GenAI and Agentic AI applications using modern LLM frameworks.
• Develop multi-agent AI systems using LangChain and LangGraph.
• Build and optimize RAG (Retrieval-Augmented Generation) pipelines using embeddings and vector databases.
• Create prompt engineering strategies, context management frameworks, and AI orchestration workflows.
• Integrate leading LLM platforms including OpenAI, Azure OpenAI, Anthropic Claude, AWS Bedrock, and other AI APIs.

AI/ML Engineering

• Design, develop, and deploy machine learning models for NLP, classification, prediction, and recommendation systems.
• Implement LLMOps/MLOps practices for model evaluation, monitoring, and lifecycle management.
• Fine-tune and optimize AI models for enterprise-scale use cases.
• Establish AI governance, security guardrails, and responsible AI frameworks.

Cloud & Data Engineering

• Architect scalable AI solutions on AWS and Azure.
• Build robust data pipelines using Databricks, Kafka, Glue, Synapse, Data Lake, and ETL/ELT technologies.
• Develop event-driven architectures using Kafka, EventBridge, Service Bus, SNS, and SQS.
• Design and manage vector database solutions such as Pinecone, Azure AI Search, Weaviate, or similar platforms.

Required Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 8+ years of software engineering experience.
• 5+ years of AI/ML engineering experience.
• Strong programming expertise in Python and FastAPI.
• Hands-on experience building Generative AI, Agentic AI, and LLM-based applications.
• Strong experience with LangChain, LangGraph, RAG, embeddings, and vector databases.
• Solid knowledge of AWS and Azure cloud platforms.
• Experience designing scalable and secure enterprise AI architectures.

Preferred Qualifications

• Experience in Healthcare, Financial Services, or Insurance domains.
• Hands-on experience with Databricks, MLflow, and MLOps platforms.
• Experience with Azure AI Foundry, Azure OpenAI, and AWS Bedrock.
• Knowledge of HIPAA, SOC2, and enterprise security frameworks.
• AWS and/or Azure certifications are a plus.

Technical Skills

Python | FastAPI | LangChain | LangGraph | RAG | LLMOps | OpenAI | Azure OpenAI | AWS Bedrock | Pinecone | Azure AI Search | Databricks | MLflow | Kafka | Docker | Kubernetes | AWS | Azure

What We're Looking For

• Strong problem-solving and architectural design skills.
• Experience delivering enterprise AI solutions from concept to production.
• Ability to work independently in a remote, collaborative environment.
• Passion for building next-generation AI systems and automation platforms.

Looking forward to work with you.

Know someone who might be a great fit? Feel free to tag them or share this opportunity within your network!

Best regards,

Akash Sahu

Talent Partner @ eQuestever

 Akash (Allen) Sahu

🌐 www.equestever.com

 201 E Center St Suite 112, Anaheim CA 92805, USA

Job Description – System Architect / Solution Architect (IoT & MQTT Platform)

Location: Bangalore

Experience: 10 to 15 Years

Job Summary

We are looking for an experienced System Architect with strong expertise in C/C++ or Go along with hands-on experience in MQTT and IoT platforms. The candidate will be responsible for designing scalable distributed systems, microservices architecture, and device communication frameworks for high-volume IoT ecosystems.

Key Responsibilities

• Design and architect scalable backend systems using C/C++ or Go
• Define microservices architecture and distributed system design
• Work on MQTT-based communication and IoT device integration
• Design REST/gRPC APIs and inter-service communication
• Build reliable, high-throughput and low-latency systems
• Define event-driven communication patterns and messaging architecture
• Collaborate with engineering teams for architecture reviews and technical guidance
• Drive system performance optimization and scalability improvements
• Work closely with cloud, database, and platform engineering teams
• Define coding standards, best practices, and reusable design patterns

Mandatory Skills

• Strong hands-on experience in C/C++ or Go
• Strong experience with MQTT protocol or IoT Platforms
• Deep understanding of Microservices Architecture
• Experience in Distributed Systems Design
• Strong backend development experience
• Experience with REST APIs / gRPC
• Knowledge of Message-Driven Architecture
• Experience with TCP/IP communication
• Strong understanding of PostgreSQL / Relational Databases

Good to Have

• Experience with AWS or Azure Cloud
• Exposure to Event-Driven Architecture
• Experience in SaaS or Multi-tenant platforms
• Knowledge of high-volume data processing systems

Preferred Candidate Profile

• 10–15 years of overall software development experience
• Prior experience as System Architect / Solution Architect
• Strong problem-solving and system design capabilities
• Excellent communication and stakeholder management skills

Job Title: Full Stack Developer (.NET + React)

Location: Pune, India

(Please apply only if you are currently based in Pune)

Experience: 3+ years (Full Stack Development)

Notice Period: Immediate Joiners Only.

About the Role

We are looking for a highly skilled Full Stack Developer with expertise in .NET and React to join our growing team in Pune. This role demands a strong understanding of backend and frontend technologies to contribute to high-impact enterprise projects. If you're passionate about clean architecture, performance, and scalability, and you're available to join immediately, we want to talk to you.

Key Responsibilities:

• Develop and maintain scalable web applications using .NET (C#) for backend and React.js for frontend.
• Design and implement RESTful APIs and integrate them with the frontend.
• Collaborate with UI/UX designers, QA engineers, and other developers to deliver quality products.
• Participate in code reviews and maintain high standards for code quality.
• Optimize application performance, scalability, and responsiveness.
• Maintain version control using Git and participate in CI/CD pipeline processes.

Required Skills:

• Strong hands-on experience in .NET Core / ASP.NET Core (Web API)
• Solid experience with React.js and JavaScript/TypeScript
• Experience with Entity Framework / Dapper, LINQ, and SQL Server
• Proficiency in HTML5, CSS3, SCSS, and modern frontend development practices
• Knowledge of REST API design, token-based authentication (JWT/OAuth)
• Familiarity with Git, CI/CD tools, and agile development practices

Job Description:

1.Be a hands on problem solver with consultative approach, who can apply Machine Learning & Deep Learning algorithms to solve business challenges

a. Use the knowledge of wide variety of AI/ML techniques and algorithms to find what combinations of these techniques can best solve the problem

b. Improve Model accuracy to deliver greater business impact

c.Estimate business impact due to deployment of model

2.Work with the domain/customer teams to understand business context , data dictionaries and apply relevant Deep Learning solution for the given business challenge

3.Working with tools and scripts for sufficiently pre-processing the data & feature engineering for model development – Python / R / SQL / Cloud data pipelines

4.Design , develop & deploy Deep learning models using Tensorflow / Pytorch 

5.Experience in using Deep learning models with text, speech, image and video data

a.Design & Develop NLP models for Text Classification, Custom Entity Recognition, Relationship extraction, Text Summarization, Topic Modeling, Reasoning over Knowledge Graphs, Semantic Search using NLP tools like Spacy and opensource Tensorflow, Pytorch, etc

b.Design and develop Image recognition & video analysis models using Deep learning algorithms and open source tools like OpenCV

c.Knowledge of State of the art Deep learning algorithms

6.Optimize and tune Deep Learnings model for best possible accuracy

7.Use visualization tools/modules to be able to explore and analyze outcomes & for Model validation eg: using Power BI / Tableau

8.Work with application teams, in deploying models on cloud as a service or on-prem

a.Deployment of models in Test / Control framework for tracking

b.Build CI/CD pipelines for ML model deployment

9.Integrating AI&ML models with other applications using REST APIs and other connector technologies

10.Constantly upskill and update with the latest techniques and best practices. Write white papers and create demonstrable assets to summarize the AIML work and its impact.

· Technology/Subject Matter Expertise

• Sufficient expertise in machine learning, mathematical and statistical sciences
• Use of versioning & Collaborative tools like Git / Github
• Good understanding of landscape of AI solutions – cloud, GPU based compute, data security and privacy, API gateways, microservices based architecture, big data ingestion, storage and processing, CUDA Programming
• Develop prototype level ideas into a solution that can scale to industrial grade strength
• Ability to quantify & estimate the impact of ML models.

· Softskills Profile

• Curiosity to think in fresh and unique ways with the intent of breaking new ground.
• Must have the ability to share, explain and “sell” their thoughts, processes, ideas and opinions, even outside their own span of control
• Ability to think ahead, and anticipate the needs for solving the problem will be important

·        Ability to communicate key messages effectively, and articulate strong opinions in large forums

· Desirable Experience:

• Keen contributor to open source communities, and communities like Kaggle
• Ability to process Huge amount of Data using Pyspark/Hadoop
• Development & Application of Reinforcement Learning
• Knowledge of Optimization/Genetic Algorithms
• Operationalizing Deep learning model for a customer and understanding nuances of scaling such models in real scenarios
• Optimize and tune deep learning model for best possible accuracy
• Understanding of stream data processing, RPA, edge computing, AR/VR etc
• Appreciation of digital ethics, data privacy will be important
• Experience of working with AI & Cognitive services platforms like Azure ML, IBM Watson, AWS Sagemaker, Google Cloud will all be a big plus
• Experience in platforms like Data robot, Cognitive scale, H2O.AI etc will all be a big plus

• Key Technical Skills: Deep experience on Performance Engineering with understanding of Java/J2EE technologies.
• Experienced in defining and realizing end-to-end Technical Architecture for large scale real- time enterprise Ability to identify and define non-functional requirements and design systems to meet the same.
• Ability to review existing Architectures and identify Risks, Trade-offs, and share recommendations for addressing the identified
• Demonstrate strong understanding of cloud architecture considerations when scaling and tuning application deployments. Must have hands on experience working on any of the Cloud deployments on AWS or
• Good experience on leveraging APM tools to provide deep dive analysis on performance problems. Deep understanding of the dashboards which can be built for CIO level interactions. Must have relevant experience on APM tools like Dynatrace or AppDynamics.
• Experience in performance optimization of J2EE systems on any of different types of application servers - WebLogic, WebSphere, JBoss etc. Deep expertise in any one of the application servers is a
• Experience in creating and reviewing technical documents like Architecture blueprint, Design specifications, Deployment
• Experience on working on Performance Testing Projects. Fair understanding of Performance Testing tools - Apache JMeter /Gatling/ HP Load Runner for Load testing. Must be in a position to review Performance Testing programs and steer directions towards right Workload Model, appropriate Test and Monitoring Strategy, build performance models and derive at right Capacity Planning.

• Experience in Big Data Analytics like - Apache Kafka, Apache Storm, Apache Hadoop, Apache
• Good skills in RDBMS like: Oracle, MS-SQL, MySQL, Cassandra, and Mongo DB
• Exposure to Agile methodologies & Continuous Integration Tools
• Entrepreneur / Intrapreneur (someone who has built technology teams ground-up, built new solutions from scratch)
• Very sound understanding of technology and have a consultative
• Sound understanding of complex enterprise IT environment and issues faced by CIOs in the digital
• Excellent Pre-sales experience and have played a key role in winning business along with the sales
• Excellent communication, interpersonal, liaison and problem-solving skills with the ability to work in a multi-cultural environment
• Good negotiation skills
• Go getter and results oriented
• High energy level with ability to work well under pressure
• Good relationship building skills. Someone who enjoys CIOs trust and has an ability to develop relationships at all levels (technology teams) of the customer

Your role and responsibilities

• Integrating REST APIs in front-end application using React JS
• Implementing business logic in front-end application using javascript, should be able to handle complex JSON architecture.
• Should be able to manage states using Redux, Redux thunk/saga, Mobx.
• Should be comfortable in using both functional and class components in React.
• Should be able to create reusable components to make efficient applications. We hate code duplication.
• Must be familiar with popular React UI libraries like Material UI, Antd.
• Implement best practices and constantly learn new ways of keeping codebases up to date.
• Having knowledge in Typescript, GraphQL, NextJS, Socket.io is like a match made in heaven.

Criteria

• 2+ years of work experience with Javascript and React JS.
• Proficient understanding of code versioning tools, such as Git.
• Open-minded individual, open to learning new things
• A bit lazy is okay. Lazy people always find the quickest way to reach the solution. They write the most efficient code. We love that.
• You care about the design and user experience of an application. The choice of third-party libraries should be elegant.