Full Stack Engineer

Job Title: Tech Lead – Full Stack

Location: MG Road, Bangalore

Work Mode: Hybrid

Interview Mode: Virtual

Experience Required: 7–12 Years

Role Overview

We are looking for a Tech Lead – Full Stack with 7 to 12 years of experience in developing scalable SaaS products using Java, Spring Boot, and JavaScript frameworks. The ideal candidate has hands-on experience with microservices architecture, performance optimization, and cloud-native development, and is passionate about mentoring teams and driving engineering best practices.

Key Skills & Expertise

• Proficient in building scalable SaaS products with a focus on microservices architecture.
• Technologies: Java (Mandatory), Spring Boot, ReactJS or any other JavaScript framework.
• Strong experience in designing RESTful APIs and using mocking frameworks.
• Skilled in profiling services and debugging performance issues.
• Knowledge of Docker and Kubernetes for containerization.
• Familiar with data integration tools such as Pentaho Kettle or Apache Nifi.
• Ability to influence technical decision-making, with a strong focus on automation and security best practices.

What You Will Do

• Design, implement, test, and deploy both front-end and back-end components of the product.
• Build and deliver highly scalable services using Spring Boot.
• Develop frameworks and accelerators to speed up development.
• Establish and enforce engineering best practices.
• Create and review design artifacts using UML for team-wide implementation.
• Mentor and guide product engineers within the team.
• Ensure on-time delivery of user stories planned for sprints.
• Engage in all stages of the product development lifecycle – from planning and design to implementation and testing in multi-cloud environments.
• Deliver robust, quality-focused technical solutions to business problems.
• Work alongside a talented team solving complex technical challenges in building large-scale SaaS products.
• Contribute from the ground up to the architecture and modularization of the product for long-term scalability and maintainability.
• Share knowledge and expertise by writing blogs, articles, and whitepapers.

 Technical Requirements

• Design and implement microservices architectures using Java and Spring Boot.
• Create, manage, and secure RESTful APIs.
• Collaborate with cross-functional teams in an Agile setting to ensure high-quality delivery.
• Mentor and support junior developers on the team.
• Experience with cloud platforms such as Azure or GCP, and orchestration tools like Docker and Kubernetes.
• Strong database skills in PostgreSQL.
• Exposure to:
• API Gateway
• Hibernate & JPA
• Transaction Management
• ACID Properties
• Multithreading & Context Switching
• Healthcare domain experience is a plus.

Company Description

13kbs.com is a forward-thinking company committed to delivering cutting-edge solutions that empower businesses to excel in the digital era. We bridge the gap between innovation and practicality, ensuring efficiency, security, and scalability at every step.

Our key services include AI-powered solutions, scalable full-stack development, cloud & AWS expertise, comprehensive firewall & compliance reviews, and automation testing. At 13kbs.com, we deliver high-impact solutions that align with the evolving demands of technology while maintaining a strong focus on privacy and reliability.

Role Description:

MERN Stack Developer (On-Site – Rajkot)

This is a full-time, on-site role for a MERN Stack Developer based in Rajkot. The developer will be responsible for developing, testing, and maintaining seamless user experiences using technologies such as MongoDB, Express.js, React, and Node.js.

Daily responsibilities include collaborating with cross-functional teams to define, design, and ship new features; writing clean, efficient, and well-documented code; debugging and optimising applications; and ensuring application scalability and security.

• Qualifications & RequirementsExperience: 1–3 years of hands-on experience in MERN stack development
• Proficient in: MongoDB/Postgres, React, and Node.js
• Front-end expertise: HTML, CSS, JavaScript
• Strong understanding of: RESTful APIs and web services
• Familiarity with: Git or other version control systems
• Experience with cloud services: Especially AWS
• Education: Bachelor’s degree in Computer Science, Engineering, or related field
• Soft Skills: Strong problem-solving abilities and effective communication skills
• Language Requirement: Candidate must be able to understand and communicate in Gujarati
• Location: Must be based in Rajkot or nearby areas
• Work Type: Full-time, work from office only (no remote option)

Important Note

Only apply if you meet all the above criteria, including 1–3 years of experience, proximity to Rajkot, and Gujarati proficiency.

Full Stack Developer

Job Description

Key Responsibilities

• Design, develop, and maintain both new and existing code, ranging from client-side development using JavaScript, HTML, and CSS, to server-side code using C# and ASP.NET MVC, Web API, Windows services, and ADO.NET for data persistence and retrieval.
• Write readable, extensible, testable code, while being mindful of performance requirements. • Create, maintain, and run unit tests for both new and existing code, with a goal of delivering defect-free and well-tested code to QA.
• Work with management to create and adhere to schedules, while maintaining flexibility to adapt to shifting market demands.
• Translate mockups and wireframes into functioning front-end code.
• Write and maintain documentation for new and existing features.
• Keep up-to-date on best practices and new technologies.
• Rapid prototyping, and presenting conceptual design and working prototypes to management.
• Conduct design and code reviews and collaborate to ensure your own code passes review.
• Work with Product Management to analyze require

Required Skills & Experience

General

• Solid understanding of OOP design principles
• Visual Studio 2017 and above, SQL Server 2016 and above
• Remote debugging
• Unit Testing

Front-end

• C#, ASP.NET MVC and MVC core, Web API and .Net Core web Api
• JavaScript, jQuery, AJAX
• HTML5, CSS3, Responsive Design understanding
• Understanding of web technology stack, including HTTP, REST, cookies, caching, and asset loading

Back-end

• Windows & web services, WCF, MSMQ
• C# and .NET Framework • Experience with scalable, performant design and architecture

Database

• Working knowledge of SQL and relational databases
• Should be able to read and write basic SQL queries, stored procedures, views, and functions
• ADO.NET & LINQ to SQL

Desired Skills & Experience

General

• Familiarity with Azure 
• Installation and deployment (Azure App)
• Experience with automated builds and deployment (Azure DevOps, TeamCity and Docker)
• Familiarity with architecture styles/APIs (REST, RPC)
• Understanding of Agile methodologies
• Excellent troubleshooting and communication skills

Front-end

• Angular or React UI framework
• Experience with Logi Analytics (Graylog etc.)
• Experience with .NET Web Forms and migrating to MVC

Back-end

• Azure Function, Azure Service bus, Event hub, AWS Lambda, ElastiCache

Experience with NOSQL databases (Mongo or Cosmos)

Qualifications

• Minimum of a Bachelor's or Master’s degree in Computer Science, or a related four-year degree.
• Hands on experience in development
• Preferred experience in leading a team

Must-Have:

- 5+ years React/Next.js experience

- 2+ years TypeScript

- AI API integration experience

- Supabase or similar BaaS platform

- PostgreSQL proficiency

Red Flags:

- No TypeScript experience

- Only frontend or only backend experience

- No AI/LLM integration background

- Unfamiliar with modern React patterns (Server Components, App Router)

Joining: Immediate

Build and maintain products. Build products and features, through inception, design, implementation and launch, working closely with multiple disciplines across the company. You will spend the majority of your time working on critical projects which require focus on integrations, scalability, and performance. You will also be the first line of defense in ensuring that the product features are achievable and have a clear purpose, trimming off unnecessary detailing, especially in the earliest stages. Align across teams and stakeholders. Play a key role in ensuring that objectives and expectations are aligned across multiple concurrent products. You are expected to break down features within each project and prioritize tasks based on the expertise of the team, keeping redundancy in mind. 

Maintain a high bar for code quality and future proofing. Implement processes for checking in code that maintains a high bar of code quality. You are expected to optimize for a solution that affords the best user experience in a reasonable amount of time while ensuring to allow for adequate security, ability to scale in the future etc. 

Responsibilities

● Design, build and maintain scalable, secure web services and distributed systems

● Design and develop robust solutions for client onboarding, portfolio analytics, tokenized security issuance, authentication, and security

● Build solutions to integrate with APIs of external solutions providers including crypto custodians, exchanges, fund admins etc.

● Architecting and building frontend features in React.js

● Ensuring a highly performant and responsive UI

● Help maintain existing codebase, infrastructure, test coverage, and documentation

● Communicate requirements effectively within and across teams

● Independently work and lead project initiatives in a fast paced environment

Requirements

● 5+ years of work experience as a Senior Software Engineer or similarly senior member of a fast scaling company, ideally building products from ideation to launch with a strong engineering team. Web3 based experience preferred.

● Have experience in rapid prototyping of features across various products. Demonstrable open source contributions and experience with Git advantageous.

● Professional experience with Python, Javascript, Typescript, or Go

● Must have experience building and/or integrating with RESTful APIs

● Working knowledge of Django, FastAPI, or React.js and Redux

● Working knowledge various frontend frameworks and languages such as HTML, CSS

● Experience monitoring and scaling microservice-oriented systems

● Familiarity with websocket architecture and implementation

● Experience working with cloud-native AWS infrastructure and/or Kubernetes

● Team-building and technical leadership experience

● Being nimble and reacting quickly to changing business conditions

● BTech in Computer Science or a related field (Masters is a plus

Benefits

● Competitive salary, benefits & participation in the firm's ESOP program

● Be part of something exciting. Rare opportunity to come in early and build the next generation of institutional grade financial services.

● International work environment and flat organization. Possibility for relocation and international transfers mid-career

• Conducting analysis of website and application requirements.
• Writing back-end code and building efficient PHP modules.
• Developing back-end portals with an optimized database.
• Troubleshooting application and code issues.
• Integrating data storage solutions.
• Responding to integration requests from front-end developers.
• Finalizing back-end features and testing web applications.
• Updating and altering application features to enhance performance.

• Bachelor’s degree in computer science or a similar field.
• Knowledge of PHP web frameworks including Yii, Laravel, and CodeIgniter.
• Knowledge of front-end technologies including CSS3, JavaScript, and HTML5.
• Understanding of object-oriented PHP programming.
• Previous experience creating scalable applications.
• Proficient with code versioning tools including Git, Mercurial, CVS, and SVN.
• Familiarity with SQL/NoSQL databases.
• Ability to project manage.
• Good problem-solving skills.

• Design, develop and maintain features, services, products that are part of a company
• Own delivery of said features and services
• Own success of the products by tracking its lifecycle with customers
• Build systems that scale horizontally
• Write automated tests to ensure code quality
• Work with customers to build a product roadmap
• Work with sales & marketing to sell your product to end-users
• Work as an integral part of an agile software development team to build features end-to-end
• Support those features in the company production environment by participating in an on-call rotation

• Bachelor's degree in Computer Science or equivalent work experience
• 3+ years of experience working on teams to develop and deploy web or mobile applications
• Expertise with Javascript and NodeJS; knowledge of frameworks such as React.js is a big plus
• Experience writing and consuming RESTful APIs
• Expertise with data modeling
• Proficiency with git and Github workflows
• Expertise with test-driven development and automated testing
• Proficiency with SQL and NoSQL datastore
• Excellent analytical and problem-solving skills
• Excellent communication skills and fluent English
• Open to learn and work on new technologies