Sr. Database Engineer

JOB DESCRIPTION

Experience: 3-5 years

Wissen Technology is now hiring for a Senior 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:

• Exp. - 3-5 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

We are hiring for a Python Developer at Wissen Technology!

📍 Location: Pune (Hybrid)

💼 Experience: 3–6 Years

⏱️ Notice Period: Immediate / 15 days preferred

🔧 Key Skills:

• Strong experience in Python

• Hands-on with Pandas & NumPy

• Experience with AWS (S3, Lambda preferred)

• Good understanding of data processing & APIs

• SQL knowledge

🏢 About Wissen Technology:

Wissen Technology, part of the Wissen Group (est. 2000), is a fast-growing technology company specializing in high-end consulting across Banking, Finance, Telecom, and Healthcare domains.

✔️ Global presence – US, India, UK, Australia, Mexico & Canada

✔️ Certified Great Place to Work®

✔️ Trusted by Fortune 500 clients like Morgan Stanley, Goldman Sachs, and more

✔️ Strong growth with 400% revenue increase in recent years

🌐 Website: www.wissen.com

🔗 LinkedIn: https://www.linkedin.com/company/wissen-technology/

If you’re interested or have relevant candidates, please share your resume at [your email].

#Hiring #PythonDeveloper #PuneJobs #AWS #ImmediateJoiner

While you may already know about Wissen and the company history, here is a quick rundown for you.

About Wissen Technology:

·        The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015.

·        Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains. We help clients build world class products.

·        Our workforce has 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 has grown its revenues by 400% in these five years without any external funding or investments.

·        Globally present with offices US, India, UK, Australia, Mexico, and Canada.

·        We offer 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.

·        Wissen Technology has been certified as a Great Place to Work®.

·        Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.

·        Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.

·        We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, Goldman Sachs, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.

De

Job Title: Application Development Engineer (Python – Backtesting & Index Platforms)

Role Overview

Key Responsibilities

Engine Development: Design and implement modular, reusable Python components for index construction, rebalancing, and backtesting.

Large-Scale Simulation: Use Pandas, NumPy, and PySpark to run historical calculations across long time horizons and multiple index variants.

Workflow Integration: Integrate engines with orchestrators such as Airflow or Temporal using parameterized, config-driven execution.

Reference Data Consumption: Query and utilize pricing, security master, and corporate action data from Snowflake.

Quality & Reconciliation: Build automated test harnesses to validate outputs, compare against benchmarks, and guarantee reproducibility.

Performance Optimization: Improve runtime efficiency through vectorization, caching, and distributed computing patterns.

Cross-Team Collaboration: Partner with Business, Index Ops, and Platform teams to accelerate research-to-production onboarding.

Required Technical Capabilities

Python Expertise: Strong proficiency in Python application development with emphasis on clean architecture and maintainable design.

Data & Numerical Libraries: Deep experience with Pandas and NumPy; working knowledge of PySpark for distributed workloads.

Financial Computation: Ability to implement portfolio mathematics, weighting algorithms, and time-series transformations.

Config-Driven Systems: Experience building rule-based or metadata-driven processing frameworks.

Database Skills: Strong SQL and experience consuming structured data from Snowflake.

Testing Discipline: Expertise in unit testing, regression testing, and deterministic replay of calculations.

Orchestration Integration: Familiarity with Airflow, Temporal, or similar workflow engines.

Cloud Infrastructure: Solid understanding of AWS ecosystem services (S3, Lambda, IAM) and how they integrate with the Snowflake Data Cloud.

we are hiring a skilled full stack developer with 6-10 years of experience to join our team on contract basis. This is a fully remote opportunity.

Required Skills-

• Strong .NET Core / .NET 6+ / C# experience.

• REST API design and integration experience.

• Handson experience or strong understanding of MCP concepts.

• Azure cloud development experience with Azure Cloud Services - Azure

Functions, Azure Service Bus, Azure Event Grid, Azure Storage, Azure App

Services, Azure Key Vault

• Authentication and authorization using OAuth2, OIDC, JWT, Azure AD/Entra ID, or

similar.

• App Insights, Azure Monitor, or structured logging experience.

• SQL/NoSQL database experience.

• Handson experience with Event-driven architecture using Service Bus, Event

Grid, Kafka, or similar.

• Understanding of resilient backend design, retries, timeouts, and error handling.

• Unit testing and API testing experience.

• Knowledge of AI Workflows and knowledge/awareness of LangGraph or its

alternates

• Exposure to Azure OpenAI, Azure AI Foundry, or LLM applications.

• Experience building backend APIs for AI tools or conversational workflows.

• Experience with AKS, containers, CI/CD, and Azure DevOps.

• Looking out for only immediate joiners.

We are seeking a skilled Java Developer with hands-on experience in Java and Spark to build scalable data processing solutions. You'll contribute to high-performance data pipelines and analytics platforms in a dynamic Agile environment.

Key Responsibilities

• Design and develop Java applications integrated with Apache Spark for ETL processes, data transformations, and analytics.
• Build and optimize Spark jobs (Spark SQL, DataFrames, Streaming) for large-scale data processing.
• Collaborate with data engineers and analysts to implement robust data workflows.
• Write clean, maintainable Java code following best practices (Spring Boot, Microservices preferred).
• Perform code reviews, unit testing, and contribute to CI/CD pipelines.
• Troubleshoot and optimize Spark performance for production workloads.
• Document technical solutions and mentor junior developers.

Required Skills & Qualifications

• 4-7 years of hands-on Java development experience.
• Strong expertise in Apache Spark (Spark Core, Spark SQL, PySpark basics).
• Proficiency in Java 8/11+ with multithreading and collections frameworks.
• Experience with data processing (ETL, data pipelines, big data).
• Familiarity with build tools (Maven/Gradle) and version control (Git).
• Strong problem-solving skills and Bangalore location availability.
• Excellent communication skills for cross-team collaboration.

Good to Have

• Experience with Snowflake for cloud data warehousing.
• Knowledge of DBT (Data Build Tool) for analytics engineering.
• Python scripting for data manipulation and automation.
• Exposure to AWS/GCP/Azure cloud platforms.
• Familiarity with Kafka, Airflow, or containerization (Docker/Kubernetes).

Job Title: Odoo Developer

Job Summary:

We are seeking an experienced Odoo Developer to join our dynamic team. The ideal candidate will be responsible for customizing, developing, and implementing Odoo ERP solutions. You will work closely with clients to understand their business needs and create tailored solutions to enhance business processes and improve efficiency.

Key Responsibilities:

• Odoo Customization & Development: Customize and develop Odoo modules based on client requirements.
• Module Creation: Design, implement, and maintain custom Odoo modules for various business functions (e.g., sales, inventory, accounting).
• Integration: Integrate Odoo with third-party applications and external systems through APIs.
• Database Management: Manage and optimize PostgreSQL databases associated with Odoo.
• Bug Fixing & Troubleshooting: Identify, diagnose, and resolve issues in Odoo systems to ensure smooth operations.
• Odoo Upgrades: Perform Odoo version upgrades and ensure compatibility of modules across different versions.
• User Support: Provide technical support to users and assist in troubleshooting issues.
• Documentation: Maintain proper documentation of all customizations and development work.
• Collaboration: Work closely with project managers, business analysts, and clients to deliver the best solutions.

Skills & Qualifications:

• Strong proficiency in Python and experience with the Odoo framework.
• Experience in developing and customizing Odoo modules and reports (Qweb).
• Solid understanding of SQL, PostgreSQL, and database management.
• Knowledge of JavaScript, XML, HTML, and CSS for front-end customization.
• Familiarity with API integration and third-party system integration.
• Strong problem-solving and debugging skills.
• Experience with version control systems like Git.
• Ability to work on multiple projects and meet deadlines in a fast-paced environment.
• Good communication skills and ability to collaborate with clients and team members.
• Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience).

Preferred Skills:

• Experience in Odoo eCommerce and Odoo Studio.
• Knowledge of project management methodologies (e.g., Agile).
• Familiarity with Odoo security best practices and performance optimization.

Why Join Us?

• Opportunity to work on exciting Odoo projects across different industries.
• Collaborative and supportive work environment.
• Competitive salary and benefits.

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.

Roles and Responsibilities

• Developing custom layer code based on solution designed following standard coding practice and
• Needs to adhere to committed delivery timelines
• Sharing status update to supervisors on time
• Needs to interact with customer for issue analysis & resolution related to Product & Interfaces developed
• Issue/log analysis and fixing- Innovate and create re-usable component

Desired Candidate Profile

• Education: B. Tech/MCA
• Good analytical and problem solving skills
• Knowledge of reporting tool like JASPER
• Hands on experience in Core Java[Threading, Collections, Exception handling]
• Strong in OOPs concept
• JSP, Spring Core, MVC, Hibernate, J Query
• Basic knowledge of SQL, PLSQL
• Writing and maintaining unit test cases
• Technical architecture
• log analysis, l1/l2
• Custom layer development

Location: Noida (currently WFH)

Compensation: commensurate to experience and technical skills

To apply for this position, write to shweta.gupta@invokhr. Share your updated resume along with following details:

• Current CTC
• Expected CTC
• Availability to join (immediate joiners preferred)
• Key skills
• Any other highlight for your fitment to the position

Job description:

Job Title/Designation/Position: Dotnet Developer / Sr. Dotnet Developer

Total Experience: 4-8 years

Relevant Experience: 4-8 years

Job Location: Pune/Hyderabad/Bangalore & Hyderabad

Skills/Qualifications:

Primary Skills (Must have):

• C# with good understanding of OOPS, design patterns and multi-threading
• ASP.Net MVC, WEBAPI, RESTful services, JavaScript, jQuery
• .Net Framework
• Advanced knowledge of Microsoft SQL Server
• Knowledge of Unit Testing and Automated tests (nUnit)
• Knowledge of SQL Server/Oracle database and able to write Store-Procedures
• Strong analytical and problem-solving skills

•         Good analytical skills along with Excellent written and verbal communication skills in English

• Bachelor’s Degree in Engineering /Technology / MCA

Secondary Skills (Nice to have):

• HTML5
• CSS3
• Node JS