
Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

About Wissen Technology
About
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.
With offices in 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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Job Title : Senior Node.js Developer (SDE 2)
Experience : 5+ Years
Location : Bengaluru (Whitefield)
Work Mode : Hybrid (3 Days WFO)
Openings : 2
Notice Period : Immediate–20 Days Preferred
Role Overview :
We are looking for an experienced Senior Node.js Developer (SDE 2) professional with strong expertise in building scalable backend applications, microservices, and distributed systems in Agile environments.
Mandatory Keywords :
Node.js, JavaScript, TypeScript, GraphQL, Microservices, Cloud, REST APIs, Docker, Kubernetes, Redis, System Design.
Key Responsibilities :
• Design, develop, and deploy scalable backend systems using Node.js & TypeScript.
• Build REST APIs and GraphQL services.
• Develop secure, reusable, and high-performance applications.
• Work on microservices, cloud platforms, and production support.
• Follow best practices including TDD, testing, and DevOps processes.
• Mentor team members and contribute to technical excellence.
Mandatory Skills :
• 5+ years of software development experience.
• Strong hands-on experience in Node.js, JavaScript, TypeScript.
• Experience with Express.js/Koa/Sails.js.
• GraphQL, REST APIs, Microservices
• AWS/Azure/GCP Cloud
• Docker, Kubernetes, Redis
• Strong understanding of distributed systems, Git, and DevOps.
Good to Have :
Kafka, RabbitMQ, Apollo Federation, New Relic, Datadog, Splunk, React.js/Next.js, Jest/Mocha/Cucumber
Interview Process :
- L1 – Technical
- L2 – Coding
- L3 – System Design (HLD + LLD)
About the Role
We're looking for a hands-on AI Architect to lead the design and delivery of AI-native applications. You will define the AI stack, establish engineering standards, and drive adoption of AI-assisted development across teams.
Responsibilities
- Architect and build production-grade AI applications.
- Evaluate and standardize AI frameworks, tools, and platforms.
- Design agentic systems, RAG pipelines, and AI workflows.
- Establish AI evaluation, testing, guardrails, and observability practices.
- Drive AI-native development and delivery acceleration initiatives.
- Partner with engineering and product teams on technical roadmap decisions.
Requirements
- 7+ years of software engineering experience.
- Strong experience with LLMs, RAG, embeddings, prompt engineering, and agent frameworks.
- Experience with LangGraph, AutoGen, MCP, or similar ecosystems.
- Hands-on experience with AI evaluations (DeepEval, Ragas), guardrails, and structured outputs.
- Strong Python and TypeScript/Java skills.
- Experience with Kubernetes, CI/CD, IaC, observability, and event-driven architectures.
- Proven experience shipping AI applications to production.
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.
Key Responsibilities:
Team Leadership and Management:
- Lead, mentor, and manage a team of backend developers, fostering a culture of collaboration, innovation, and technical excellence.
- Promote a shared vision for the team, ensuring alignment with business goals and organizational objectives.
- Conduct performance reviews, provide constructive feedback, and create opportunities for team members’ professional growth.
- Drive cross-functional collaboration between development teams, designers, and product managers to deliver seamless and high-quality software.
Technical Strategy and Execution:
- Define and drive architectural decisions for both backend and frontend systems,ensuring scalability, reliability, and performance.
- Advocate and implement best practices in software development, including coding standards, test-driven development (TDD), and peer code reviews.
- Encourage the adoption of Large Language Models (LLMs) and AI-driven tools to optimize development and testing workflows.
- Provide technical direction on backend development using modern frameworks and languages, as well as frontend development using React, Angular, or Svelte.
Process and Quality Management:
- Ensure robust integration between backend APIs and frontend systems for seamless user experiences.
- Establish and enforce coding, testing, and deployment standards for both backend and frontend teams.
- Implement and optimize automated testing frameworks for backend and UI layers to ensure comprehensive coverage.
- Monitor system performance and application stability, proactively identifying and mitigating risks.
- Establish CI/CD pipelines and DevOps best practices for efficient and reliable delivery cycles.
Stakeholder Collaboration:
- Act as a bridge between engineering teams, business stakeholders, and leadership, ensuring effective communication and alignment.
- Translate complex business requirements into actionable technical solutions and guide teams through their implementation.
- Provide regular updates on progress, challenges, and innovations to stakeholders.
Innovation and Exploration:
- Stay updated on advancements in Large Language Models (LLMs) and integrate them into development and quality assurance workflows where applicable.
- Encourage the exploration of cutting-edge technologies, tools, and frameworks for both backend and frontend development.
- Champion the use of AI and machine learning tools for performance optimization, automated testing, and enhanced developer productivity.
Skills & Qualifications:
Must-Have Skills:
- Proven experience as an Engineering Manager or similar leadership role.
- Strong technical background in backend technologies (e.g., Java, Spring Framework).
- Deep understanding of RESTful API design, microservices architecture.
- Hands-on experience with containerization and orchestration tools like Docker.
- Solid knowledge of Agile methodologies, TDD, and CI/CD pipelines.
- Excellent leadership, communication, and problem-solving skills.
- Expertise in integrating Large Language Models (LLMs) and AI-powered tools into development workflows.
Nice-to-Have Skills:
- Experience with cloud platforms like AWS, GCP, or Azure.
- Knowledge of automated testing frameworks for both backend (e.g., JUnit, Postman) and frontend (e.g., Playwright).
- Understanding of DevOps practices and infrastructure-as-code tools like Terraform.
- Exposure to AI/ML frameworks and libraries for enhancing application features and team efficiency.
We seek a highly skilled and experienced Ruby on Rails Development Team Lead/Architect to join our dynamic team at Uphance. The ideal candidate will have proven expertise in leading and architecting RoR projects, focusing on building scalable, high-quality applications. This role requires a combination of technical leadership, mentorship, and a strong commitment to best practices in software development.
Job Type: Contract/Remote/Full-Time/Long-term
Responsibilities:
- Develop and maintain high-quality Ruby on Rails applications that meet our high-quality standards.
- Design, build, and maintain efficient, reusable, and reliable Ruby code.
- Utilise your expertise in Ruby on Rails to enhance the performance and reliability of our platform.
- Set the technical direction for the existing RoR project, including system architecture and technology stack decisions.
- Guide and mentor team members to enhance their technical skills and understanding of RoR best practices.
- Conduct code reviews to maintain high coding standards and ensure adherence to best practices.
- Optimise application performance, focusing on ActiveRecord queries and overall architecture.
- Tackle complex technical challenges and provide efficient solutions, particularly when specifications are unclear or incomplete.
- Establish and enforce testing protocols; write and guide the team in writing effective tests.
- Define and ensure consistent adherence to best practices, particularly in the context of large applications.
- Manage the development process using Agile methodologies, possibly acting as a Scrum Master if required.
- Work closely with product managers, designers, and other stakeholders to meet project requirements and timelines.
Technical Requirements and Qualifications:
- Bachelor's or Master's degree in Computer Science, Engineering, or a related field
- Proven experience with Ruby on Rails, MySQL, HTML, and JavaScript (6+ years)
- Extensive experience with Ruby on Rails and familiarity with its best practices
- Proven track record of technical leadership and team management
- Strong problem-solving skills and the ability to address issues with incomplete specifications
- Proficiency in performance optimisation and software testing
- Experience with Agile development and Scrum practices
- Excellent mentoring and communication skills
- Experience with large-scale application development
- Application performance monitoring/tuning
General Requirements:
- Availability to work during the IST working hours.
- High-speed Internet and the ability to join technical video meetings during business hours.
- Strong analytical and problem-solving skills and ability to work as part of multi-functional teams.
- Ability to collaborate and be a team player.
Why Uphance?
- Engage in Innovative Projects: Immerse yourself in cutting-edge projects that not only test your skills but also encourage the exploration of new design realms.
- AI-Integrated Challenges: Take on projects infused with AI, pushing the boundaries of your abilities and allowing for exploration in uncharted territories of software design and development.
- Flexible Work Environment: Whether you embrace the digital nomad lifestyle or prefer the comfort of your own space, Uphance provides the freedom to design and create from any corner of the globe.
- Inclusive Team Environment: Join a dynamic, international, and inclusive team that values and celebrates diverse ideas.
- Collaborative Team Dynamics: Become a part of a supportive and motivated team that shares in the celebration of collective successes.
- Recognition and Appreciation: Your accomplishments will be acknowledged and applauded regularly in our Recognition Rally.
Compensation:
Salary Range: INR 24 LPA to INR 32 LPA (Salary is not a constraint for the right candidate)
At Uphance, we value innovation, collaboration, and continuous learning. As part of our team, you'll have the opportunity to lead a group of talented RoR developers, contribute to exciting projects, and play a key role in our company's success. If you are passionate about Ruby on Rails and thrive in a leadership role, we would love to hear from you. Apply today and follow us on LinkedIn - https://www.linkedin.com/company/uphance !
Frontend - Angular js, Javascript, JSP, added advantage for RIOTjs
Websocket technologies - Added advantage
Basic understanding of Apache Tomcat
Java_FullstackDeveloper_DGT II
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Required Skills:
Desired Skills:
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The position requires for an individual to Develop high-volume, low-latency application for data
analytics for big consumer product corporations. The position also requires the candidate to Contribute
in all phases of the development lifecycle, write well designed, testable, efficient code. Should ensure
designs follow specifications.
An ideal candidate will be/have:
• Strong experience in Python/JAVA.
• Familiarity with Test driven development and Continuous Integration.
• Strong knowledge and hands-on with code development tools (Eclipse, GIT, Jenkins, Unit, Testing Frameworks).
• Familiar with Software development methodology like Agile methodology.
• Ability to write complex SQL.
• Desire to learn and develop new tools and techniques and share with the team
• Knowledge of cloud would be a plus
• Ability to design software modules.











