
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

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
Similar jobs
About the Role
We are undertaking a platform migration from our existing WordPress site to a modern React frontend. We are seeking a highly capable Backend Engineer on a 1-month contract to lead the backend aspects of this transition. The ideal candidate has strong experience with serverless backends and API-first architectures, particularly using Cloudflare Workers and the Cloudflare ecosystem. You will collaborate closely with our in-house Frontend Engineer (specialized in React) to deliver a seamless, performant, and secure end product.
Key Responsibilities
Audit current WordPress backend (data structures, plugins, custom code). Design and implement a backend solution leveraging Cloudflare Workers, Cloudflare KV / Durable Objects, and related services (or propose suitable alternatives such as Node.js/Express or headless CMS if appropriate). Develop secure APIs for authentication, content, and form handling. Migrate existing WordPress data (pages, posts, forms, and media) into the new system. Integrate with our CRM (_Zoho_) and other existing systems. Ensure compliance with NZ data protection standards. Deploy backend on Cloudflare (and/or coordinate with existing hosting infrastructure as needed). Provide documentation and handover to the internal team.
Qualifications & Skills
Proven experience in backend engineering with serverless platforms (Cloudflare Workers, AWS Lambda, or similar). Strong knowledge of RESTful APIs, authentication, and security best practices. Familiarity with Cloudflare KV, Durable Objects, R2, or equivalent distributed data solutions. Experience with WordPress architecture and React-based frontend integration. Experience in migration projects (legacy CMS → modern stack) highly valued. Strong collaboration and communication skills, with the ability to work effectively alongside frontend specialists.
Deliverables
Backend environment and Cloudflare Worker (or alternative) architecture established. Secure APIs deployed and tested with React frontend. Migration of content/data from WordPress. Integration with Zoho CRM and forms. Production deployment. Documentation + handover.
Duration: 1 month.
Engagement: Remote, with short daily and hourly weekly check-ins.
Compensation: 75,000 INR
Experience with Cloudflare Workers, the Cloudflare CDN, prior Wordpress migration experience, and any experience of working alongside frontend engineers prioritized. A huge bonus would be experience with Zoho CRM/Zoho Forms.
Job Summary:
As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining robust full-stack applications using MongoDB, Express.js, React.js, and Node.js. With 5+ years of experience, you’ll work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions.
Key Responsibilities:
- Build end-to-end web applications using the MERN stack
- Write clean, maintainable, and efficient code
- Integrate RESTful APIs and third-party services
- Optimize applications for maximum performance and scalability
- Collaborate with product, QA, and DevOps teams throughout the SDLC
- Participate in code reviews, troubleshooting, and improvement initiatives
Required Skills & Qualifications:
- 5+ years of experience in full-stack development with MongoDB, Express, React, and Node.js
- Strong JavaScript/TypeScript skills (ES6+)
- Solid understanding of RESTful APIs, MVC architecture, and microservices
- Experience with Git and Agile methodologies
- Familiarity with responsive UI/UX best practices
Preferred Skills:
- Exposure to cloud platforms like AWS or Azure
- Experience with CI/CD pipelines and testing frameworks like Jest or Mocha
- Familiarity with containerization tools like Docker/Kubernetes
Project Scope
To perform a due diligence task on the Company’s current Salesforce environment.
The environment analysis primary focuses of current salesforce components and objects “as is” state to delivery business function like:
- Salesforce Environment Analysis
- Salesforce Product Customization and High-level Design analysis
- Salesforce detail insight analysis and documentation
- Data flow in salesforce and integration and migration analysis and documentation
- Salesforce Deployment practices and Reporting analysis
- Salesforce day to day operation and user experience documentation
- Salesforce due diligences presentation to stakeholders
- Sales cloud
MySQL Database Developer
Strong development knowledge in DB Design & development with 6+ Years’ to 10 Years experience (MySQL DB) – Mandatory
Strong hands on writing complex PGSQL, procedure and Functions & prevent blocking and Deadlocks
Conduct SQL objects code review & Performance tuning(Mandatory)
having hands on Microsoft SQL and Postgres DB is anadvantage.
Strong knowledge in RDBMS and NoSQL Concept with strong logical thinking and solutions
Expert in transaction databases (OLTP) and ACID property with handling large scale application databases
Position: Android Developer – SD II
Organization: A Funded global healthcare platform connecting doctors, thereby enabling exchange of information on a quick and real time basis, founded in the year 2013.Currently there are 3 lakh doctors using this platform and everyday there are 400 new doctors joining it.A Funded global healthcare platform connecting doctors, thereby enabling exchange of information on a quick and real time basis, founded in the year 2013.Currently there are 3 lakh doctors using this platform and everyday there are 400 new doctors joining it.
The platform promotes exchange of viewpoints, ideas, and information on various medical practices amongst healthcare professionals. This saves both time and money as solutions to several health issues can be accessed on a real time basis. There are 1.3 million registered doctors and 400+ daily publications on its platform and they operate across 16+countries.
Location: Bangalore (Currently Remote, Later you need to relocate)
Roles & Responsibilities
You’re Awesome At -
- Native Android App development (Preferably for a B2C Product)
- Proficiency in various algorithms and data structures.
- Proficiency in Kotlin with at least 1 year of experience in Kotlin.
- Good knowledge of Coroutines, RxJava and JetPack components. JetPack Compose is a bonus.
- Strong experience with REST APIs (Retrofit), storage databases, multi-threading, performance, and memory tuning.
- Deep understanding of android architecture such as MVP and MVVM
Your Academic Qualifications -
BE / BTech in Computer Science preferred. However, if you have good hands-on knowledge of building Android apps, that’s what we are looking for!
You’ll Be Improving & Responsible For –
- A team that is building products used by 300k + doctors every single day.
- Work on Petabyte Scale Streaming Systems - more than 500 million hours of video has been streamed.
- Lead high volume VOD streaming (think of systems as sophisticated as Netflix and Amazon prime).
- Challenge oneself on Security, Scalability and Stability
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Reach out to the open-source community to encourage and help implement mission-critical software fixes
Your Experience Across the Years in the Roles You’ve Played -
2-4 years
Good to have:
- Experience in a test-driven environment
- Application built using Jetpack Components.
- In depth knowledge of handling database and db migration.
- Passion for product quality and attention to details.
- Experience - 6-10 years
- Key Skills for Software Developer C++, Linux with SQL:
- - Looking only for candidates who can join immediately or max 10 day
- - should be able to work independently with no handholding
- - the ability to work with C/C++ code on Windows/Linux platforms
- - Database knowledge of MSSQL, Oracle, MySQL/MariaDB, ideally other ones too: Saphana, Teradata, Postgres.
- - Ability to work on their own fixing defects
- - should be able to understand secure coding practices
- - should have the Ability to work independently and with the team across different time zones
| We have opportunities for Freshly Qualified CA's, Semi Qualified and Article with JVB & Co. |
| Join us to obtain the expertise that will enable you to accomplish your professional career goals. |
| We are specialized in : |
| 1) Internal Audit / Management Audit |
| 2) Enterprise Risk Management |
| 3) Internal Financial Control |
| 4) System Audits |
| 5) Bank Audits |
| 6) RERA Compliance |
| 7) Forensic Audits |
Position Description
Flexiple's infrastructure is heavily powered by Ruby on Rails, and we're keen to onboard smart Ruby developers with some experience on JavaScript to help us build amazing web apps!
You'll be part of Flexiple's core engineering team and get a chance to work on multiple Ruby/JS apps, that are built for performance & scale. A typical day of engineering work at Flexiple would involve backend ruby work and getting your hands dirty in the frontend.
Our apps are built for internal & external users, and a few of them get 1 million+ monthly hits! We'd love for you to help us build performant systems that function at such scale.
We don't make compromises in design or code and all our apps are robust, fast and well-tested. However, we also focus equally on speed of development, which is typical of the startup dev culture. So you'll see the best of both worlds at Flexiple!
This is a fully remote position that can be done from anywhere. The CTC can be increased based on the experience of the individual (up to 20 lpa).
If you're backend Ruby developer, who also loves to tinker on the frontend, then this is the right opportunity for you.
Your Responsibilities:
- Build & deploy robust, well-tested products/features that are used by millions of users.
- Write crisp, clean & efficient Ruby and JavaScipt code, with equal focus on being easy to maintain and debug.
- Write clean & elegant CSS to bring static wireframes/mockups to life.
- Communicate effectively, contribute to improving the dev processes and brainstorm ideas.
- Share feedback with others, mentor your teammates and grow as a part of the team.
- Stay up-to-date with the latest technologies.
First week:
- Join the team, understand Flexiple's practices & processes.
- Set up your local dev environment
- Get familiar with our tech stack & products.
- Create your first pull request.
First month:
- Get acquainted with the different products and their business domain.
- Contribute actively to the development of one or more products.
- Develop a deeper understanding of Flexiple's product suite, technology and processes.
First six months:
- Contribute actively to product planning, software development, testing and maintenance.
- Suggest and implement improvements to our dev processes and codebase.
- Lead tech initiatives for Flexiple's products.
Who are you:
- 1+ years of software development experience
- Past experience with Ruby on Rails and HTML/CSS/JavaScript
- Developed at least 2-4 production-quality web apps (at work or personal projects; can be any technology/ stack)
- Excellent grasp over algorithms and data structures
- Ability to learn and master new technologies quickly
- Passionate about building robust web/ mobile/ desktop apps and stay updated with the latest technologies/ frameworks
- Outstanding written and communication skills
Compensation and Benefits:
- A fully remote (work from anywhere) role
- Receive a more-than-competitive salary plus benefits
- A flat and transparent culture
- Support for setting up home office
- Enjoy a culture with opportunities for growth and learning
Who you'll work with:
You will be directly working with Hrishikesh, co-founder at Flexiple. More about him can be found on his https://www.linkedin.com/in/hrishikeshpardeshi/">LinkedIn and https://twitter.com/hrishiptweets">Twitter profiles.
- Excellent working knowledge of Web application development
- Advance coding Skills in PHP, HTML, CSS, JavaScript, and scripting languages desirable
- Excellent working knowledge of MySQL database
- Good understanding of database performance tuning and sql queries
- Experience working with a Laravel framework.
- Experience in both Front End / Back End Developer.
- Good Knowledge and understanding of CRM, CMS, SHOPPING-CART, PAYMENT GATEWAY & OTHER API INTEGRATION,
- Good communication skills9.Experience working in agile software development methodology
- Understanding of cross platform OS systems like Windows, Linux or UNIX with hands-on working experience
- Have worked on projects like e-Commerce, CRM, CMS, Individual Contributor role.
- Key skills: HTML4/5, CSS3, PHP, Apache, MySQL, Laravel, WORDPRESS , Bootstrap, jQuery, JavaScript, AJAX,
Responsibilities: The job requires PHP experience as well as expertise with Laravel or any other framework.
This Developer is expected to have strong technical skills, to work closely with the other team members in
the development and managing key projects.Ability to work on a small team with minimal supervisionTroubleshoot,
test and maintain the core product software and databases to ensure strong optimization and functionality.











