Principal RoR Developer

Job Details

- Job Title: Lead I - Software Engineering - Java, J2Ee, Spring

- Industry: Technology

- Domain - Information technology (IT)

- Experience Required: 6-12 years

- Employment Type: Full Time

- Job Location: Bangalore

- CTC Range: Best in Industry

Job Description:

Role Summary:

We are looking for an experienced Senior Java Developer with expertise in building robust, scalable web applications using Java/J2EE, Spring Boot, REST APIs, and modern microservices architectures. The ideal candidate will be skilled in both back-end and middleware technologies, with strong experience in cloud platforms (AWS), and capable of mentoring junior developers while contributing to high-impact enterprise projects.

The developer will be responsible for full-cycle application development: from interpreting specifications and writing clean, reusable code, to testing, integration, and deployment. You will also work closely with customers and project teams to understand requirements and deliver solutions that optimize cost, performance, and maintainability.

Key Responsibilities:

Application Development & Delivery

• Design, code, debug, test, and document Java-based web applications aligned with design specifications.
• Build scalable and secure microservices using Spring Boot and RESTful APIs.
• Optimize application performance, maintainability, and reusability by using proven design patterns.
• Handle complex data structures and develop multi-threaded, performance-optimized applications.
• Ensure code quality through TDD (JUnit) and best practices.

Cloud & DevOps

• Develop and deploy applications on AWS Cloud Services: EC2, S3, DynamoDB, SNS, SES, etc.
• Leverage containerization tools like Docker and orchestration using Kubernetes.

Integration & Configuration

• Integrate with various databases (PostgreSQL, MySQL, Oracle, NoSQL).
• Configure development environments and CI/CD pipelines as per project needs.
• Follow configuration management processes and ensure compliance.

Testing & Quality Assurance

• Review and create unit test cases, scenarios, and support UAT phases.
• Perform defect root cause analysis (RCA) and proactively implement quality improvements.

Documentation

• Create and review technical documents: HLD, LLD, SAD, user stories, design docs, test cases, and release notes.
• Contribute to project knowledge bases and code repositories.

Team & Project Management

• Mentor team members; conduct code and design reviews.
• Assist Project Manager in effort estimation, planning, and task allocation.
• Set and review FAST goals for yourself and your team; provide regular performance feedback.

Customer Interaction

• Engage with customers to clarify requirements and present technical solutions.
• Conduct product demos and design walkthroughs.
• Interface with customer architects for design finalization.

Key Skills & Tools:

Core Technologies:

• Java/J2EE, Spring Boot, REST APIs
• Object-Oriented Programming (OOP), Design Patterns, Domain-Driven Design (DDD)
• Multithreading, Data Structures, TDD using JUnit

Web & Data Technologies:

• JSON, XML, AJAX, Web Services
• Database Technologies: PostgreSQL, MySQL, Oracle, NoSQL (e.g., DynamoDB)
• Persistence Frameworks: Hibernate, JPA

Cloud & DevOps:

• AWS: S3, EC2, DynamoDB, SNS, SES
• Version Control & Containerization: GitHub, Docker, Kubernetes

Agile & Development Practices:

• Agile methodologies: Scrum or Kanban
• CI/CD concepts
• IDEs: Eclipse, IntelliJ, or equivalent

Expected Outcomes:

• Timely delivery of high-quality code and application components
• Improved performance, cost-efficiency, and maintainability of applications
• High customer satisfaction through accurate requirement translation and delivery
• Team productivity through effective mentoring and collaboration
• Minimal post-production defects and technical issues

Performance Indicators:

• Adherence to coding standards and engineering practices
• On-time project delivery and milestone completion
• Reduction in defect count and issue recurrence
• Knowledge contributions to project and organizational repositories
• Completion of mandatory compliance and technology/domain certifications

Preferred Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
• Relevant certifications (e.g., AWS Certified Developer, Oracle Certified, Scrum Master)

Soft Skills:

• Strong analytical and problem-solving mindset
• Excellent communication and presentation skills
• Team leadership and mentorship abilities
• High accountability and ability to work under pressure
• Positive team dynamics and proactive collaboration

Skills

Java, J2Ee, Spring

Must-Haves

Java, J2Ee, Spring

Machine Learning + Aws+ (EKS OR ECS OR Kubernetes) + (Redshift AND Glue) + Sagemaker

NP: Immediate – 30 Days

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.

Technical Lead

The ideal candidate should possess the following qualifications:

• Education: Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Experience: 9+ years in software development with a proven track record of delivering scalable applications.
• Leadership Skills: 4+ years of experience in a technical leadership role, demonstrating strong mentoring abilities.
• Technical Lead must Lead and mentor a team of software developers and validation engineers.
• Technical Skills: Technical Lead must have Proficiency in programming languages such as C#, React js, SQL, MySQL, Javascript, Web API are required .NET, or Python, along with frameworks and tools used in software development.
• Technical Lead must have General working knowledge of Selenium to support current business automation tools and future automation requirements.
• General working knowledge of PHP desired to support current legacy applications which are on the roadmap for future modernization.
• Technical Lead must have Strong understanding of software development lifecycle (SDLC).
• Experience with agile methodologies (Scrum/Kanban or similar).
• Knowledge of version control systems (Git or similar).
• Development Methodologies: Experience with Agile development methodologies and experience with CI/CD pipelines.
• Problem-Solving Skills: Strong analytical and problem-solving abilities that enable the identification of complex technical issues.
• Collaboration: Excellent communication and collaboration skills, with the ability to work effectively within a team environment.
• Innovation: A passion for technology and innovation, with a keen interest in exploring new technologies to find the best solutions.

Roles and Responsibilities
1. Ability to work on diverse backend stack such as Node JS, Java, Express JS
2. Ability to work on diverse frontend stack such as React JS, Angular 6/7/8/9, HTML5, CSS3

3. Ability to deliver quick POC’s using cutting edge technologies.

4. Preparing reports, manuals and other documentation on the status, operation and maintenance of software.

5. Design, develop, and unit test applications in accordance with established standards

6. Developing, refining, and tuning integrations between applications. Analysing and resolving technical and application problems.

7. Ability to debug application.

8. Should have complete knowledge on developing RESTful Services.

9. Should be able to also work in agile development methodology.
10. Work with designated JavaScript framework to design, develop, and debug web applications
11. Can work on Angular and Integrate backend services
12. Work with the team to manage, optimize, and customize multiple web applications
13. Manage end to end module lifecycle management of the product
14. Push and pull codes via Git repository

Competency Requirements

1. Experience in NodeJS, Java and development using AngularJS / ReactJS
2. Experience in front end frameworks such as Angular.js, React.js, Bootstrap, Foundation etc
3. Experience in client/server application development
4. Knowledge of agile development methodologies
5. Knowledge of unit testing theory
6. Knowledge of AWS cloud
7. Experience in Java, Python and Go will be added advantage

About the company:

CogniTensor is an analytical software company that brings data to the heart of decision-making. CogniTensor leverages its product, DeepOptics - an integrated platform  to implement 3A (Automation, Analytics and AI) at scale. 

Cognitensor has customers ranging in Finance, Energy, Commodity, Retail & Manufacturing. More details can be found on our website: https://www.cognitensor.com/">https://www.cognitensor.com/

Our strategic investors include Shell and CIIE.CO (IIM-A/Accenture).

Qualification & Experience:

• BE/B.Tech Degree in Computer Programming, Computer Science, or a related field.

• +2 years experience as a Software Developer.

• Hands on experience in developing finance applications is must

Roles & Responsibilities:

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. 

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Along with familiar with Agile methodologies and testing skills

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Write technical documentation
• Excellent communication and teamwork skills

Technical Skills:

Must Have

• React JS
• Git / Bitbucket, 
• Express JS, Python, HTML, CSS, Node JS
• CI/CD like CircleCI
• Postgres or any DB knowledge
• Familiarity with AWS  or Azure or both 

Good to Have

• Docker
• Redux
• Android development
• React Native
• Electron
• GraphQL
• Jira

What’s in for you:

• An opportunity to lead a business segment
• Extensive liaising with customers and partners
• A rewarding career progression

Preferred Location:

Delhi NCR

About the Organization

Real Estate Syndicators leverage SyndicationPro to manage billions in real estate assets and thousands of investors. Growing at 9% MoM, http://syndicationpro.com/">SyndicationPro.com is #1 Platform to Automate Real Estate Fund Raising, Investor Relations, & Close More Deals!

What makes SyndicationPro unique is that it is cash flow positive while maintaining a healthy growth rate and is backed by seasoned investors and real estate magnates. We are also part of, FirstPrinciples.io, a tech-holding company that starts, acquires, and advises B2B SaaS Companies. FirstPrinciples.io and SyndicationPro.com have people across India, U.S, Spain, and Germany.

SyndicationPro.com has been featured by https://in.finance.yahoo.com/news/syndicationpro-establishes-hq-lehi-utah-130600371.html?guccounter=1">Yahoo Finance and https://www.benzinga.com/business/best-crms-for-real-estate-investors/">Benzinga, among other top publications! We also were Finalists in Industry Leading Awards such as https://informaconnect.com/finovate-industry-awards/awards-categories/">Finnovate and https://www.cloud-awards.com/2021-software-awards-shortlist/">2021 SaaS Awards.

Tech Stack [High-Level]: We are JavaScript focused i.e., we work in ReactJS, NodeJS, AngularJS, TypeForm, TypeScript, Redis. On the server side, we work with AWS/GCP/DO. Database: MySQL, PostgreS and Mongo DB. API: REST and GraphQL API. We also have a strong DevOps stack - including Kubernetes(K8), Dockers and CI/CD automation.

About the Role:

This role provides you the opportunity to truly accelerate your engineering career by giving you a front-line seat on a Rocketship product. Our fintech product has grown by 10x over the last year and we are expecting that growth to continue for the foreseeable future. The leadership team is committed to make massive investments in its technology and people. Given the growth of the product, individuals will have opportunities to move into leadership roles.

Why SyndicationPro?

Along with having an explosive product, SyndicationPro also has mature leadership, systems, processes, and structures that most fast-growing StartUps lack. SyndicationPro.com is part of the FirstPrinciples.io Venture Studio; this gives us the operational and technical backbone that most young companies struggled with. We are also a profitable SaaS Company that is cash-flow positive; ensuring financial viability. Our founding team also are daily users of the product and are real estate syndicators themselves, ensuring that we continue to maintain product leadership.

Job Description:

Roles & Responsibilities:

1. Perform full stack development activities using MERN Stack
2. Ability to translate UX Designs into functional web apps using React JS
3. Technical architecture design along with system architect and product manager
4. Writing effective business logic (using Rest API or GraphQL API)
5. Algorithm design for system modules
6. Database design for scalable and secure system using NoSQL (MongoDB) or RDBMS (MySQL or PostgreSQL)
7. POC development with other engineers
8. Efforts estimations with Product Manager and Engineering Head
9. Test software to ensure responsiveness and efficiency
10. Writing Unit testing for robust system
11. Technical documentation

Requirement & Skills:

1. Bachelor’s degree in computer sciences or equivalent stream. PG is good to have
2. Strong Knowledge of algorithms and data structures
3. Hands on experience in MERN stack (MySQL or PostgreSQL would be plus)
4. Hands on experience to develop Rest/GraphQL API using Node.js with Typescript.
5. Hands on experience on AWS services (EC2, SQS, SES, Lambda).
6. Fundamentals of Docker/Containerized application development would be plus
7. Experience working with US Clients is a Must
8. Experience and Exposure working with different projects and business models will be an advantage
9. 5+ years of experience as Full Stack Development (MERN stack)
10. Experience in SaaS product development would be a plus
11. Experience in other JS frameworks like Next.JS, React Native/Expo would be plus

Graphene is an award-winning AI company, developing customized insights and data solutions for corporate clients. With a focus on healthcare, consumer goods and financial services, our proprietary AI platform is disrupting market research with an approach that allows us to get into the mind of customers to a degree unprecedented in traditional market research.

Graphene was founded by corporate leaders from Microsoft and P&G and works closely with the Singapore Government & universities in creating cutting edge technology. We are gaining traction with many Fortune 500 companies globally.

Graphene has a 6-year track record of delivering financially sustainable growth and is one of the few start-ups which are self-funded, yet profitable and debt free.

We already have a strong bench strength of leaders in place. Now, we are looking to groom more talents for our expansion into the US. Join us and take both our growths to the next level!

• Primary Purpose: As part of a highly productive and creative AI (NLP) analytics team, design and develop web applications and SPA’s i.e., UI/UX, and underlying backend – API’s, security framework, scalable microservices etc.
• Daily Grind: Interface with the product manager, project managers, and the engineering team to achieve sprint goals on the product roadmap.
• Career Progression: Senior Full Stack Engineer, Technical Architect

• Work in a product-development team capable of independently authoring software products.
• Guide junior programmers, set up the architecture, and follow modular development approaches.
• Design and develop code which is well documented.
• Optimize of the application for maximum speed and scalability
• Adhere to the best Information security and Devops practices.
• Research and develop new approaches to problems.
• Design and implement schemas and databases with respect to the AI application
• Cross-pollinated with other teams.

HARD AND SOFT SKILLS

Must Have

• Problem-solving abilities
• Extremely strong programming background – data structures and algorithm
• Angular/React, Strong UI/UX skills
• Very strong python background, TDD, CI/CD,
• Software design skills i.e., OOPs, design patterns
• SQL, NoSQL – design of schemas and databases
• Microservices architecture, Cloud native apps

Good to Have

• Enterprise Design Patterns
• Distributed Systems
• Exposure to ML and Data Science
• Docker, Kubernetes, AKS, Kafka, Graph databases