
Department: S&C – Site Reliability Engineering (SRE)
Experience Required: 4–8 Years
Location: Bangalore / Pune /Mumbai
Employment Type: Full-time
- Provide Tier 2/3 technical product support to internal and external stakeholders.
- Develop automation tools and scripts to improve operational efficiency and support processes.
- Manage and maintain system and software configurations; troubleshoot environment/application-related issues.
- Optimize system performance through configuration tuning or development enhancements.
- Plan, document, and deploy applications in Unix/Linux, Azure, and GCP environments.
- Collaborate with Development, QA, and Infrastructure teams throughout the release and deployment of lifecycles.
- Drive automation initiatives for release and deployment processes.
- Coordinate with infrastructure teams to manage hardware/software resources, maintenance, and scheduled downtimes across production and non-production environments.
- Participate in on-call rotations (minimum one week per month) to address critical incidents and off-hour maintenance tasks.
Key Competencies
- Strong analytical, troubleshooting, and critical thinking abilities.
- Excellent cross-functional collaboration skills.
- Strong focus on documentation, process improvement, and system reliability.
- Proactive, detail-oriented, and adaptable in a fast-paced work environment.

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.
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One of our partners is transforming how the construction industry measures and manages carbon emissions, helping organizations meet their sustainability goals with accurate, scalable, and actionable insights. Their SaaS platform enables carbon footprint calculations, Life Cycle Assessment (LCA) data management, and complex environmental reporting — and we’re ready to take it from 70 customers to 700+ enterprise clients.
We’re seeking a Senior Cloud Architect & Tech Lead to spearhead the next phase of our platform’s growth. You’ll lead architectural decisions for a complex sustainability and carbon accounting platform built on Firebase/Google Cloud with a Vue.js frontend, driving scalability, enterprise readiness, and technical excellence. This is a hands-on leadership role where you’ll guide the engineering team, optimize system performance, and shape a long-term technical roadmap to support 10x growth — all while leveraging cutting-edge GenAI developer tools like Cursor, Claude, Lovable, and GitHub Copilot to accelerate delivery and innovation.
Key Responsibilities:
· Lead architecture design for a highly scalable, enterprise-ready SaaS platform built with Vue.js, Firebase Functions (Node.js), Firestore, Redis, and GenKit AI.
· Design and optimize complex hierarchical data models and computational workloads for high performance at scale.
· Evaluate platform evolution options — from deep Firebase optimizations to potential migration strategies — balancing technical debt, scalability, and enterprise needs.
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· Drive performance engineering to address Firestore fan-out queries, function cold starts, and database scaling bottlenecks.
· Oversee CI/CD automation and deployment pipelines for multi-environment enterprise releases.
· Design APIs and integration strategies to meet enterprise customer requirements and enable global scaling.
· Mentor and guide the development team, ensuring technical quality, scalability, and adoption of best practices.
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· Plan and execute disaster recovery strategies, business continuity procedures, and cost-optimized infrastructure scaling.
· Maintain comprehensive technical documentation for architecture, processes, and security controls.
Required Skills & Experience:
· 5+ years of Google Cloud Platform experience with deep expertise in the Firebase ecosystem.
· Proven ability to scale SaaS platforms through 5–10x growth phases, ideally in an enterprise B2B environment.
· Strong background in serverless architecture, event-driven systems, and scaling NoSQL databases (Firestore, MongoDB, DynamoDB).
· Expertise in Vue.js for large-scale application performance and maintainability.
· Hands-on experience implementing enterprise security frameworks (SOC2, ISO27001) and compliance requirements.
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· Track record of performance optimization for high-traffic production systems.
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Preferred Qualifications
· Domain knowledge in construction industry workflows or sustainability technology (LCA, carbon accounting).
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· Knowledge of data residency and privacy regulations
· Knowledge of BIM (Building Information Modeling), IFC standards for construction and engineering data interoperability.
Ideal Candidate
You’re a Senior Software Engineer who thrives on scaling complex systems for enterprise customers. You embrace GenAI tools as an integral part of your development workflow, using platforms like Cursor, Claude, Lovable, and GitHub Copilot to deliver faster and smarter. Experience with BIM, IFC, or Speckle is a strong plus, enabling you to bridge sustainability tech with real-world construction data standards. You balance deep technical execution with strategic thinking and can communicate effectively across teams. While direct sustainability or construction tech experience is a plus, your ability to quickly master complex domains is what will set you apart.
Job Title : Lead Web Developer / Frontend Engineer
Experience Required : 10+ Years
Location : Bangalore (Hybrid – 3 Days Work From Office)
Work Timings : 11:00 AM to 8:00 PM IST
Notice Period : Immediate or Up to 30 Days (Preferred)
Work Mode : Hybrid
Interview Mode : Face-to-Face mandatory (for Round 2)
Role Overview :
We are hiring a Lead Frontend Engineer with 10+ Years of experience to drive the development of scalable, modern, and high-performance web applications.
This is a hands-on technical leadership role focused on React.js, micro-frontends, and Backend for Frontend (BFF) architecture, requiring both coding expertise and team leadership skills.
Mandatory Skills :
React.js, JavaScript/TypeScript, HTML, CSS, micro-frontend architecture, Backend for Frontend (BFF), Webpack, Jenkins (CI/CD), GCP, RDBMS/SQL, Git, and team leadership.
Core Responsibilities :
- Design and develop cloud-based web applications using React.js, HTML, CSS.
- Collaborate with UX/UI designers and backend engineers to implement seamless user experiences.
- Lead and mentor a team of frontend developers.
- Write clean, well-documented, scalable code using modern JavaScript/TypeScript practices.
- Implement CI/CD pipelines using Jenkins, deploy applications to CDNs.
- Integrate with GCP services, optimize front-end performance.
- Stay updated with modern frontend technologies and design patterns.
- Use Git for version control and collaborative workflows.
- Implement JavaScript libraries for web analytics and performance monitoring.
Key Requirements :
- 10+ Years of experience as a frontend/web developer.
- Strong proficiency in React.js, JavaScript/TypeScript, HTML, CSS.
- Experience with micro-frontend architecture and Backend for Frontend (BFF) patterns.
- Proficiency in frontend design frameworks and libraries (jQuery, Node.js).
- Strong understanding of build tools like Webpack, CI/CD using Jenkins.
- Experience with GCP and deploying to CDNs.
- Solid experience in RDBMS, SQL.
- Familiarity with Git and agile development practices.
- Excellent debugging, problem-solving, and communication skills.
- Bachelor’s/Master’s in Computer Science or a related field.
Nice to Have :
- Experience with Node.js.
- Previous experience working with web analytics frameworks.
- Exposure to JavaScript observability tools.
Interview Process :
1. Round 1 : Online Technical Interview (via Geektrust – 1 Hour)
2. Round 2 : Face-to-Face Interview with the Indian team in Bangalore (3 Hours – Mandatory)
3. Round 3 : Online Interview with CEO (30 Minutes)
Important Notes :
- Face-to-face interview in Bangalore is mandatory for Round 2.
- Preference given to candidates currently in Bangalore or willing to travel for interviews.
- Remote applicants who cannot attend the in-person round will not be considered.
We are seeking a highly skilled React JS Developer with exceptional DOM manipulation expertise and real-time data handling experience to join our team. You'll be building and optimizing high-performance user interfaces for stock market trading applications where milliseconds matter and data flows continuously.
The ideal candidate thrives in fast-paced environments, understands the intricacies of browser performance, and has hands-on experience with WebSockets and real-time data streaming architectures.
Key Responsibilities
Core Development
- Advanced DOM Operations: Implement complex, performance-optimized DOM manipulations for real-time trading interfaces
- Real-time Data Management: Build robust WebSocket connections and handle high-frequency data streams with minimal latency
- Performance Engineering: Create lightning-fast, scalable front-end applications that process thousands of market updates per second
- Custom Component Architecture: Design and build reusable, high-performance React components optimized for trading workflows
Collaboration & Integration
- Work closely with traders, quants, and backend developers to translate complex trading requirements into intuitive interfaces
- Collaborate with UX/UI designers and product managers to create responsive, trader-focused experiences
- Integrate with real-time market data APIs and trading execution systems
Technical Excellence
- Implement sophisticated data visualizations and interactive charts using libraries like Chartjs, TradingView, or custom D3.js solutions
- Ensure cross-browser compatibility and responsiveness across multiple devices and screen sizes
- Debug and resolve complex performance issues, particularly in real-time data processing and rendering
- Maintain high-quality code through reviews, testing, and comprehensive documentation
Required Skills & Experience
React & JavaScript Mastery
- 5+ years of professional React.js development with deep understanding of React internals, hooks, and advanced patterns
- Expert-level JavaScript (ES6+) with strong proficiency in asynchronous programming, closures, and memory management
- Advanced HTML5 & CSS3 skills with focus on performance and cross-browser compatibility
Real-time & Performance Expertise
- Proven experience with WebSockets and real-time data streaming protocols
- Strong DOM manipulation skills - direct DOM access, virtual scrolling, efficient updates, and performance optimization
- RESTful API integration with experience in handling high-frequency data feeds
- Browser performance optimization - understanding of rendering pipeline, memory management, and profiling tools
Development Tools & Practices
- Proficiency with modern build tools: Webpack, Babel, Vite, or similar
- Experience with Git version control and collaborative development workflows
- Agile/Scrum development environment experience
- Understanding of testing frameworks (Jest, React Testing Library)
Financial Data Visualization
- Experience with financial charting libraries: Chartjs, TradingView, D3.js, or custom visualization solutions
- Understanding of market data structures, order books, and trading terminology
- Knowledge of data streaming optimization techniques for financial applications
Nice-to-Have Skills
Domain Expertise
- Prior experience in stock market, trading, or financial services - understanding of trading workflows, order management, risk systems
- Algorithmic trading knowledge or exposure to quantitative trading systems
- Financial market understanding - equities, derivatives, commodities
Technical Plus Points
- Backend development experience with GoLang, Python, or Node.js
- Database knowledge: SQL, NoSQL, time-series databases (InfluxDB, TimescaleDB)
- Cloud platform experience: AWS, Azure, GCP for deploying scalable applications
- Message queue systems: Redis, RabbitMQ, Kafka, NATS for real-time data processing
- Microservices architecture understanding and API design principles
Advanced Skills
- Service Worker implementation for offline-first applications
- Progressive Web App (PWA) development
- Mobile-first responsive design expertise
Qualifications
- Bachelor's degree in Computer Science, Engineering, or related field (or equivalent professional experience)
- 5+ years of professional React.js development with demonstrable experience in performance-critical applications
- Portfolio or examples of complex real-time applications you've built
- Financial services experience strongly preferred
Why You'll Love Working Here
We're a team that hustles—plain and simple. But we also believe life outside work matters. No cubicles, no suits—just great people doing great work in a space built for comfort and creativity.
What We Offer
💰 Competitive salary – Get paid what you're worth
🌴 Generous paid time off – Recharge and come back sharper
🌍 Work with the best – Collaborate with top-tier global talent
✈️ Adventure together – Annual offsites (mostly outside India) and regular team outings
🎯 Performance rewards – Multiple bonuses for those who go above and beyond
🏥 Health covered – Comprehensive insurance so you're always protected
⚡ Fun, not just work – On-site sports, games, and a lively workspace
🧠 Learn and lead – Regular knowledge-sharing sessions led by your peers
📚 Annual Education Stipend – Take any external course, bootcamp, or certification that makes you better at your craft
🏋️ Stay fit – Gym memberships with equal employer contribution to keep you at your best
🚚 Relocation support – Smooth move? We've got your back
🏆 Friendly competition – Work challenges and extracurricular contests to keep things exciting
We work hard, play hard, and grow together. Join us.
Avegen is a digital healthcare company empowering individuals to take control of their health and supporting healthcare professionals in delivering life-changing care. Avegen’s core product, HealthMachine®, is a cloud-hosted, next-generation digital healthcare engine for pioneers in digital healthcare, including healthcare providers and pharmaceutical companies, to deploy high-quality robust digital care solutions efficiently and effectively. We are ISO27001, ISO13485, and Cyber Essentials certified; and compliant with the NHS Data Protection Toolkit and GDPR.
Job Summary:
Senior Software Engineer will be responsible for developing, designing, and maintaining the core framework of mobile applications for our platform. This includes tasks such as creating and implementing new features, troubleshooting and debugging any issues, optimizing the performance of the app, collaborating with cross-functional teams, and staying current with the latest advancements in React Native and mobile app development. We are looking for exceptional candidates who have an in-depth understanding of React, JavaScript, and TypeScript, can create pixel-perfect UI, and are obsessed with creating the best experiences for end users.
Your responsibilities include:
- Architect and build performant mobile applications on both iOS and Android platforms using React Native.
- Work with managers to provide technical consultation and assist in defining the scope and sizing of work.
- Maintain compliance with standards such as ISO 27001, ISO 13485, and Cyber Essentials that Avegen adheres to.
- Lead configuration of our platform HealthMachine™ in line with functional specifications and development of platform modules with a focus on quality and performance.
- Write well-documented, clean Javascript/TypeScript code to build reusable components in the platform.
- Maintain code, write automated tests, and assist DevOps in CI/CD to ensure the product is of the highest quality.
- Lead by example in best practices for software design and quality. You will stay current with tools and technologies to seek out the best needed for the job.
- Train team members on software design principles and emerging technologies by taking regular engineering workshops.
Requirements:
- Hands-on experience working in a product company developing consumer-facing mobile apps that are deployed and currently in use in production. He/she must have at least 3 mobile apps live in the Apple App Store/Google Play Store.
- Proven ability to mentor junior engineers to realize a delivery goal.
- Solid attention to detail, problem-solving, and analytical skills & excellent troubleshooting skills.
- In-depth understanding of React and its ecosystem with the latest features.
- Experience in writing modular, reusable custom JavaScript/TypeScript modules that scale well for high-volume applications.
- Strong familiarity with native development tools such as Xcode and Android Studio.
- A positive, “can do” attitude who isn’t afraid to lead the complex React Native implementations.
- Experience in building mobile apps with intensive server communication (REST APIs, GraphQL, WebSockets, etc.).
- Self-starter, able to work in a fast-paced, deadline-driven environment with multiple priorities.
- Excellent command of version control systems like Git.
- Working in Agile/SCRUM methodology, understanding of the application life cycle, and experience working on project management tools like Atlassian JIRA.
- Good command of the Unix operating system and understanding of cloud computing platforms like AWS, GCP, Azure, etc.
- Hands-on experience in database technologies including RDBMS and NoSQL and a firm grasp of data models and ER diagrams.
- Open source contributions and experience developing your own React Native wrappers for native functionality is a plus.
Qualification:
BE/BTech/MS in Information Technology, Computer Science, or a related discipline.
• Make technical and product decisions based on the roadmap autonomously
• Contribute to team and organizational improvements in process and infrastructure
• Build new features, bug fix and suggest projects that will improve productivity and
infrastructure
• Code, test and operate React.js-based services
• Debug production issues across services and multiple levels of the stack
Requirements
• Education: Engineering Graduate/ Postgraduate in Computer Science
• Experience: 2-5 Years of Experience as a Front end Developer and at least 2 years of
React.js experience
Must to Have
• 2+ years of UI development
• 2+ years of React.js development
• Knowledge of GraphQL and TypeScript
• Experience with Node.js
• Sass, Git, Linux
• Knowledge of Microservice architecture
• Knowledge of Docker
• Experience with AWS, Azure or Google Cloud
• Good understanding of MySQL/MariaDB
• Understanding of Non-relational Databases MongoDB, Redis
• Insightful experience in various web design and technologies HTML, CSS, Ajax and
jQuery.
• Must have Analytical and Debugging Skill
• Design and code features for the website application as per the specifications provided by the Product and Design teams.
• Ship features in fast-moving agile sprints.
• Work closely with Backend, Product Design, and Product Management teams to brainstorm and chalk out details of features.
• Ability to build a feature from scratch & drive it to completion
Skills: Must have:
• Good understanding of Javascript and Clean architecture.
• Good understanding of asynchronous programming, callback, and closures.
• Strong experience with Javascript frontend framework/libraries like ReactJS
• Understanding of stateless application
• Good knowledge of CSS and its pre-processors like SASS/LESS
• Good understanding of server-side templates.
• Experience with creating cross-browser compatible web apps
• Should be Strong in MySql / Postgres database.
• Strong hold in Data structure and processing JSON
Good to have
• Basic knowledge of CI, CD
• Intermediate knowledge in any cloud services(AWS, GCP)
• Familiar with testing frameworks like Mocha, Cypress
We are looking to hire an experienced Sr. Angular Developer to join our dynamic team. As a lead developer, you will be responsible for creating a top-level coding base using Angular best practices. To ensure success as an angular developer, you should have extensive knowledge of theoretical software engineering, be proficient in TypeScript, JavaScript, HTML, and CSS, and have excellent project management skills. Ultimately, a top-class Angular Developer can design and build a streamlined application to company specifications that perfectly meet the needs of the user.
Requirements:
- Bachelor’s degree in computer science, computer engineering, or similar
- Previous work Experience 2+ years as an Angular developer.
- Proficient in CSS, HTML, and writing cross-browser compatible code
- Experience using JavaScript & TypeScript building tools like Gulp or Grunt.
- Knowledge of JavaScript MV-VM/MVC frameworks including Angluar.JS / React.
- Excellent project management skills.
Responsibilities:
- Designing and developing user interfaces using Angular best practices.
- Adapting interface for modern internet applications using the latest front-end technologies.
- Writing TypeScript, JavaScript, CSS, and HTML.
- Developing product analysis tasks.
- Making complex technical and design decisions for Angular.JS projects.
- Developing application codes in Angular, Node.js, and Rest Web Services.
- Conducting performance tests.
- Consulting with the design team.
- Ensuring high performance of applications and providing support.
- Developing and implementing highly responsive UI
- Design software with great UX
- Produce clean and efficient code
- Troubleshoot, debug and upgrade existing software
- Management of entire end-to-end project pipeline
- Strong working knowledge of React JS and Redux
- Experience with JavaScript and CSS
- Experience with REST APIs
- Familiarity with browser testing and debugging
- In-depth understanding of the entire web development process (design, development and deployment)
- Understanding of layout aesthetics
- Git knowledge is a plus
- Comfortable in working in Linux based environment
We are a FinTech startup solving one of the biggest challenges that stock, commodity and currency traders face in Asia.
We are building a cloud based trading system to enable small traders to build, manage, raise, automate and deploy their
own Hedge Funds. Our team consists of 3 Founders from IIT and IIM.
Job Description :
- As a C++ Software Developer, you will be part of our proprietary Algorithmic trading desk for Indian and global markets. The role encompasses the development of low latency algorithmic trading platforms and strategies. The candidate should be highly technology-driven.
Selected Candidates day-to-day responsibilities include :
1. Developing various kinds of algorithmic trading strategies on the in-house trading platform.
2. GUI design & development C++ 11 and any of {C#, WPF, Win32, UWP, .NET}.
3. Optimize system modules to reduce latency and improve performance.
4. Developing execution and analytical libraries and building infrastructure for it.
5. Actively participating in design and coding reviews.
Other requirements :
1. Bachelor's degree in computer science or related field is required with Masters preferred.
2. Expertise in C/C++11, WPF/Win32 (atleast 1+ years project experience)
3. Excellent programming skills in C++ including multithreading & socket programming.
4. Prior experience in a financial domain is a big plus (optional).
5. Excellent in Algorithms and Data Structures with a strong OOPS concept.
6. Experience in the development of highly scalable, distributed systems.
7. Ability to take ownership of projects.
8. A team-oriented person who wants to work in a fun, dynamic, fast-paced development environment.










