Lead engineer/Principal engineer

At BigThinkCode, our technology solves complex problems. We are looking for talented back-end (node.JS) engineer to join our at Chennai. 

Please find below our job description, if interested apply / reply sharing your profile to connect and discuss. 

Company: BigThinkCode Technologies 

URL: https://www.bigthinkcode.com/ 

Experience required: 1-2 years 

Work location: Chennai 

Joining time: Immediate – 4 weeks 

Work Mode: Work from office / Hybrid 

A skilled Node.js Developer with 1-2 years of experience in building scalable applications using event-driven architecture (EDA) within distributed systems. The ideal candidate should be comfortable in high-performance backend services and have a strong understanding of asynchronous programming patterns. 

Experience or exposure to knowledge embedding and vectorization techniques is a strong plus, especially in the context of modern data-driven or AI-powered systems. 

Required Skills & Qualifications 

• 1-2 years of hands-on experience with Node.js 
• Strong understanding of event-driven architecture and non-blocking I/O 
• Experience working with distributed systems and microservices architecture 
• Proficiency in RESTful API design and implementation. 
• Experience with databases such as MongoDB, PostgreSQL, or MySQL. 
• Experience with containerization tools like Docker and orchestration tools like Kubernetes 

Key Responsibilities 

• Design, develop, and maintain server-side applications using Node.js 
• Build and optimize scalable, event-driven systems in distributed environments 
• Implement asynchronous workflows, message queues, and pub/sub architectures 

Good to Have  

• Experience with knowledge embedding and vectorization techniques. 
• Familiarity with vector databases (e.g., Pinecone). 
• Understanding of cloud platforms (AWS, Azure, or GCP). 

Why Join Us: 

• Collaborative work environment. 
• Exposure to modern tools and scalable application architectures. 
• Medical cover for employee and eligible dependents. 
• Tax beneficial salary structure. 
• Comprehensive leave policy. 
• Competency development training programs. 

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location – Pune

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.

Job Description:

Experience Required: 3–5years

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

Role Overview

We are seeking a strong Python Application Engineer to help build a next-generation Index Backtesting and Rebalance Platform.

In this role, you will design and develop deterministic, scalable calculation engines that convert financial methodologies into production-grade software.

You will work on portfolio construction, rebalancing logic, and historical simulations while consuming reference and market data from Snowflake using python as your core processing tool.

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).

Technical Skills:

• Technical Skills:
• Python, PySpark, Pandas, NumPy, AWS (S3, Lambda), Apache Airflow, SQL, Financial Services Domain Knowledge, Strong Communication Skills.
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About Impact Analytics

Impact Analytics is an agentic-first AI software company transforming retail merchandising through cutting-edge AI, LLMs, and Generative AI technologies. As a fast-growing Series D company with deployments across five continents, it is building both industry-leading merchandising solutions and foundational AI agents that are redefining how retail decisions are made. What makes Impact Analytics unique is its combination of deep retail domain expertise, strong innovation culture, and global presence. It is one of the few India-born AI companies recognized globally by organizations like Fortune, Gartner, and the Inc. 5000.For candidates looking to work on next-generation AI products with global scale and real-world impact, Impact Analytics is an exciting place to build your career. Here’s a link to our website: www.impactanalytics.co.

The impact that you will be making

We are seeking a Senior Software Engineer – Backend to design and build scalable backend systems that power Android-first mobile applications. The ideal candidate will have strong backend engineering expertise, experience supporting mobile applications, and a passion for building high-performance, reliable distributed systems that operate efficiently under constrained network conditions.

You will work closely with Android developers and cross-functional teams to build APIs and backend services that enable seamless mobile experiences, including offline synchronization, scalability, and high availability

What lands you in this role

Key Responsibilities

• Design, develop, and maintain scalable backend services and RESTful APIs for Android/mobile applications.
• Build backend systems optimized for Android-first applications with a focus on performance, reliability, and scalability.
• Develop APIs that perform efficiently in low-bandwidth and intermittent network environments.
• Design and implement backend workflows that support offline synchronization, conflict resolution, and data consistency.
• Develop secure, resilient, and highly available microservices.
• Optimize application performance through efficient database design, caching strategies, and API optimization.
• Collaborate closely with Android engineers, Product Managers, QA, and DevOps teams throughout the software development lifecycle.
• Participate in architecture discussions, code reviews, and technical design decisions.
• Leverage AI-assisted development tools to improve engineering productivity and code quality.

Required Skills

• 4–7 years of professional experience in backend software development.
• Strong proficiency in Kotlin for backend development.
• Experience building backend systems supporting Android/mobile applications.
• Strong understanding of RESTful APIs, microservices, and distributed systems.
• Hands-on experience with Gradle (Kotlin DSL/KTS) for build automation and dependency management.
• Familiarity with Android Studio for debugging, API integration, and collaboration with Android teams.
• Experience with modern backend frameworks and scalable application architecture.
• Knowledge of relational and/or NoSQL databases such as PostgreSQL, MySQL, MongoDB, or similar.
• Experience with caching technologies (Redis) and messaging/event streaming platforms (Kafka or RabbitMQ).
• Hands-on experience with Google Cloud Platform (GCP) or equivalent cloud platforms.
• Proficiency with GitHub and modern Git-based development workflows.
• Experience using Visual Studio Code (VS Code).
• Familiarity with AI-powered developer tools such as Cursor, Windsurf, or similar Agentic IDEs.
• Strong understanding of CI/CD pipelines, containerization, and cloud-native application development.
• Excellent debugging, analytical, and problem-solving skills.

What we offer

• An opportunity to be part of some of the best enterprise SaaS products to be built out of India.
• Opportunities to quench your thirst for problem-solving, experimenting, learning, and implementing innovative solutions.
• A flat, collegial work environment, with a work hard, play hard attitude.
• A platform for rapid growth if you are willing to try new things without fear of failure.
• Remuneration with best-in-class industry standards with generous health insurance cover

Some of our accolades include:

• Ranked as one of America's Fastest-Growing Companies by Financial Times for five consecutive years: 2020-2024.
• Ranked as one of America's Fastest-Growing Private Companies by Inc. 5000 for seven consecutive years: 2018-2024.
• Voted #1 by more than 300 retailers worldwide in the RIS Software LeaderBoard 2024 report.
• Ranked #72 in America’s Most Innovative Companies list in 2023—by Fortune—alongside companies like Microsoft, Tesla, Apple, IBM, etc.
• Forged a strategic partnership with Google to equip retailers with cutting-edge generative AI tools.
• Recognized in multiple Gartner reports, including Market Guides and Hype Cycle, spanning assortments, merchandising, forecasting, algorithmic retailing, and Unified Price, Promotion, and Markdown Optimization Applications.

MERN Stack Developer(Hyderabad Location)

BeyondScale is a technology company on a mission to democratise AI for small and medium-sized businesses (SMBs). We're building Sitara, an AI-powered ERP suite of micro-apps designed specifically for the service sector. Imagine a pocket CRM, a pocket POS, and a suite of essential tools—all streamlined for simplicity and powered by intelligent automation.

Responsibilities:

• Develop and maintain robust and scalable web applications using the MERN stack (MongoDB, Express.js, React, Node.js).
• Design and implement efficient RESTful APIs to power the frontend.
• Build reusable, testable, and efficient code.
• Collaborate with cross-functional teams to deliver high-quality products.

Required Skills:

• 1+ years of hands-on experience with JavaScript development.
• Strong proficiency in Node.js for backend development.
• Solid understanding of MongoDB or other NoSQL databases.
• Experience with React or similar frontend frameworks is a plus.
• Ability to write clean, maintainable, and well-documented code.
• Strong problem-solving and debugging skills.
• Passion for learning new technologies and best practices.

What you’ll do:

• Work closely with the founders and the team to plan, design, and build the next iterations of Dyte’s video-audio APIs.
• You will collaborate closely with other engineers of the team and lend your help in your areas of expertise.
• Build micro-services to support new functionality.
• Build best practices to improve the current API workflow.
• Help us scale our current micro-service framework to support a multi cloud, multi region environment.
• Work closely with the media and the infra team to optimise the performance and reduce the latency of our API framework.
• Help design and develop the next iteration of our observability platform.
• Mentor and hire Junior Developers.
• Ensure that our customer’s experience is the best it can be. You might have to interact with the dev team of our clients.

Who you are:

• 5+ years of experience working as a software engineer in a fast paced environment.
•  Well versed with Golang or Javascript.
• You are intensely curious and passionate about the prospect of diving deep into multiple technologies, platforms, and problem spaces, even if they are currently unfamiliar.
• You embrace uncertainty. Our space is a rapidly growing one and specifications are continuously changing.
• You care about the user experience and know-how to build user-friendly web applications.
• You have experience with continuous delivery. Experience with AWS is a bonus.
• You have a working understanding of object-oriented and functional programming paradigms.
• You care about web technologies, exploring data, and software design (and video calls!).
• You have excellent analytical and problem-solving skills, and can communicate your ideas.
• Experience with WebRTC, iOS, Android, or C++ development is a bonus.
• A degree in Computer Science or a similar area are bonuses.

Our Perks:

1. Competitive Salary
2. ESOPs
3. Medical Insurances
4. Friendly leaves policy
5. 100% Remote Option

At least 3 years' experience as a Node.js developer.

Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.

Mandatory experience in MongoDB and MySql.

Knowledge of front-end technologies such as HTML5 and CSS3.

Superb interpersonal, communication, and collaboration skills.

Exceptional analytical and problem-solving aptitude.

ROR Hiring Alert...!

NeoSOFT Pvt Ltd. (A CMMi Level 5 Organization) has an excellent opportunity for ROR Developers.

Eligibility Criteria:
- 1 to 7 years of experience in working with ROR.
- Strong Database fundamentals.
- Excellent written and verbal communication.
- Proven experience in developing Web applications.
- Experience in working with cloud will be added advantage.

Location:-  Mumbai/Pune/Ahmedabad/Noida/Indore