Senior Software Developer

Role & Responsibilities

We are currently seeking a Senior Engineer to join our Financial Services team, contributing to the design and development of scalable system.

The Ideal Candidate Will Be Able To-

• Take ownership of delivering performant, scalable and high quality cloud based software, both frontend and backend side.
• Mentor team members to develop in line with product requirements.
• Collaborate with Senior Architect for design and technology choices for product development roadmap.
• Do code reviews.

Ideal Candidate

• Strong Software Engineer fullstack profile using NodeJS / Python and React
• Mandatory (Experience) - Must have 6+ YOE in Software Development using Python OR NodeJS (For backend) & React (For frontend)
• Mandatory (Core Skills 1): Must have strong experience in working on Typescript
• Mandatory (Core Skills 2): Must have experience in message based systems like Kafka, RabbitMq, Redis
• Mandatory (Core Skills 3): Databases - PostgreSQL & NoSQL databases like MongoDB
• Mandatory (Company) - Product Companies Only
• Mandatory (Education) - B.Tech or Dual degree (Btech and Mtech or Integrated Msc/MS) from Tier 1 Engineering Institutes. Candidates from other institutions will not be considered unless they come from top-tier product companies
• Mandatory (Note) : This role is a hybrid role (2 days WFO)
• Preferred (Experience): Experience in Fin-Tech, Payment, POS and Retail products is highly preferred
• Preferred (Mentoring): Experience in mentoring, coaching the team.

MERN Stack Developer

Location: Surat, Gujarat (No WFH )

Job Summary:

We are looking for a Full Stack Developer (MERN) with hands-on experience in building highly scalable, performance-driven applications. The ideal candidate should have a deep understanding of both front-end and back-end development, microservices, and database optimization for large-scale systems. You will be responsible for designing, developing, and maintaining applications that can handle high concurrency (1,000+ active users) while ensuring performance, reliability, and scalability.

This role involves working closely with cross-functional teams — including product managers, designers, and DevOps engineers — to deliver cutting-edge, enterprise-grade solutions.

Roles & Responsibilities:

• Design and develop scalable and distributed web applications using the MERN stack (MongoDB, Express.js, React/Next.js, Node.js).
• Build and optimize RESTful APIs for high-performance, concurrent environments.
• Architect and manage MongoDB databases, ensuring high availability, efficient query performance, and scalability.
• Implement queueing systems (e.g., BullMQ, RabbitMQ, Kafka, or Redis Queues) for background jobs and asynchronous processing.
• Optimize server and client performance to support real-time data updates and high concurrent user loads.
• Collaborate with DevOps to improve deployment pipelines, containerization (Docker), and cloud scalability.
• Conduct thorough testing, profiling, and debugging to identify performance bottlenecks and optimize both code and infrastructure.
• Participate in code reviews, architecture discussions, and sprint planning to ensure technical excellence and scalability across all layers.

Qualification / Requirements:

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 1 + years of hands-on experience in full-stack development using the MERN stack.
• Proven experience working on applications supporting 1,000+ concurrent users or large-scale distributed systems.
• Strong expertise in:
• Node.js (asynchronous programming, clustering, performance optimization)
• Next.js & React.js (SSR, CSR, and dynamic rendering)
• MongoDB (aggregation pipelines, indexing, schema design for scalability)
• Practical experience with message queues (BullMQ, RabbitMQ, Kafka, or Redis Streams).
• Familiarity with caching mechanisms (Redis, Memcached) to optimize performance.
• Experience with Docker and microservices-based architectures is a plus.
• Good understanding of API design, authentication mechanisms (JWT, OAuth), and security best practices.
• Experience working in Agile environments and using Git-based version control.

Nice to Have:

• Exposure to serverless computing (AWS Lambda).
• Experience with monitoring tools (New Relic, Datadog, ELK Stack).
• Knowledge of CI/CD pipelines and automated deployment workflows.
• Experience in real-time communication (WebSockets, Socket.io).

🎯 Role Overview

We are a UK-based SaaS company powering online ordering, POS, and mobile apps for restaurants and takeaways. We already serve 1200+ clients on our legacy platform and are migrating to a modern Python-Django, React, Flutter, microservices stack hosted on OVH Cloud.

We’re looking for a hands-on Senior Architect/Lead based in India (preferably Kerala) who can:

• Audit and stabilize our current build,

• Deliver MVP in weeks, not months,

• And evolve into the future CTO of the company.

This role is high-impact: you’ll work closely with the UK leadership team and lead a growing India-based engineering group.

🛠️ Key Responsibilities

• Architecture & Ownership

• Review and refactor existing codebase (Django backend, Flutter apps, React admin).

• Define clean architecture, APIs, and service boundaries.

• Simplify into a stable MVP (modular monolith first, microservices later).

• Delivery Management

• Enforce agile sprints (2-week cycles).

• Set up CI/CD pipelines, test automation, QA cycles.

• Ensure smooth and secure deployments on OVH cloud.

• Hands-On Development

• Lead by example — write/refactor core backend/frontend code.

• Mentor and guide 3 in-house developers (transitioning from PHP/Opencart).

• Scaling & Future Roadmap

• Prepare system for multi-language support, payments, POS integrations.

• Define a 12–24 month tech roadmap aligned with business goals.

• Explore AI-assisted coding/testing to boost team productivity.

• Leadership

• Act as technical counterpart to business leadership in the UK.

• Build and lead a strong India-based engineering team as we scale.

✅ Required Skills & Experience

• 7–10 years professional development experience, with at least 3 years leading teams or projects.

• Strong hands-on expertise in:

• Python-Django (backend, APIs, ORM, migrations)

• Flutter (cross-platform apps)

• React (admin dashboards)

• DevOps (CI/CD, Docker, cloud deployments)

• Proven track record of shipping SaaS products from MVP → production.

• Experience cleaning up/refactoring messy codebases.

• Ability to mentor mid-level and junior devs.

• Bonus: Experience with restaurant/retail tech, POS, or fintech/payments.

🚀 Desirable Traits

• Pragmatic “builder” mindset → knows how to cut complexity and ship fast.

• Hands-on problem solver, not just a PowerPoint architect.

• Ambition to grow into CTO role (lead a larger tech org, own platform strategy).

• Strong communicator — can bridge between UK business team and India dev team.

💼 What We Offer

• Competitive salary for senior-level (₹12 -  ₹18 lakhs INR / year depending on experience).

• Future CTO track opportunity.

• Chance to lead the rebuild of a SaaS platform already trusted by 1200+ businesses.

• Direct collaboration with UK leadership, high ownership and visibility.

📌 How to Apply

Send CV + GitHub/LinkedIn. In your cover note, describe:

• A time you had to rescue a struggling project.

• Your experience with Django + Flutter + React in one product.

• Why you’d want to grow into CTO responsibilities.

Full Stack Developer Responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements

• Degree in computer science.
• Experience with ( React+Node ) Or ( react + Angular) Or ( Node + Angular)
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks
• 
  
• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

• Collaborate with multiple stakeholders to understand the business context
• Take responsibility for developing product features
• Implement development best practices

• Rich experience in Javascript and front end frameworks like React, Angular or Vue
• Build a backend APIs using Java, Node, Python or GoLang
• Proficiency in leveraging Cloud Native components in AWS, Azure or GCP
• Experience in building scalable applications using Microservices principles is a plus
• Experience in designing for performance is a big plus
• Ability to write high quality code
• Experience in polygot persistence using databases like relational (MySQL, Postgres) and NoSQL (MongoDB, Cassandra, DynamoDB, Redis etc)
• Familiarity with DevOps tools and technologies is a plus
• Passion for continuous learning of new technologies

Synapsica is a growth stage HealthTech startup founded by alumni from IIT Kharagpur, AIIMS New Delhi, and IIM Ahmedabad. We believe healthcare needs to be transparent and objective, while being affordable. Every patient has the right to know exactly what is happening in their bodies and they don’t have to rely on cryptic 2 liners given to them as diagnosis.

Towards this aim, we are building an artificial intelligence enabled cloud based platform to analyze medical images and create 2.0 of advanced radiologist reporting.

We are backed by Y Combinator and other investors from India, US and Japan. We are proud to have GE, AIIMS, the Spinal Kinetics as our partners.

Join us, if you find this as exciting as we do!

Description:

We are looking for a skilled computer programmer who is comfortable with both front and back end programming. Hands-on with UI and server-side is highly desirable.

You will get hands-on experience in the latest technologies and skills like ReactJS, NodeJS, MongoDB, REST API etc. This role is ideal for you if you have a background in Full Stack development and are looking for the next level of career growth in a fast paced, learning based and merit driven work environment.

Responsibilities:
- Developing front end app components.
- Developing backend apis and middlewares.
- Designing and scaling databases and servers.
- Ensuring responsiveness and cross-platform compatibility of applications.
- Owning and delivering end-to-end products, features, enhancements.

Requirements:
- Degree in Computer Science or related discipline with 3-7 years of experience.
- Proficiency with fundamental front end languages such as HTML, CSS and JavaScript
- Hands on with Reactjs or similar framework/library.
- Proficiency with server side languages such as Nodejs, Python, PHP.
- Prior experience with at least one no-sql database such as MongoDB.
- Excellent verbal communication skills.
- Good problem solving skills.
- Attention to detail.
- Very high sense of ownership.
- Deep interest and passion for technology