Ruby on Rails (ROR)
Ruby
PostgreSQLSleepyCat is India's First Mattress-In-A-Box brand! We deliver luxury mattresses, at a fraction of the usual cost, straight from our factory to your doorstep in an easy-to-carry package.
In sleepycat we constantly thrive to make our products and customer experience better using technology.
About Role
We are currently looking out for a Ruby on Rails developer who is motivated to learn and work on challenging projects. You should have a product mindset with great technical skills. In sleepycat we promote new and fresh ideas which can directly or indirectly help customer experience and sales. Sleepycat provides to you platform to bring your thoughts into action and implement them.
Technical skills required: Ruby on Rails
You should be willing to work as a full stack going forward.
Personal and Domain Growth Initiatives
1. In SleepyCat we promote career growth. Once you are settled and have completely owned the system you are hired for, you have the freedom to pick some other technologies inside SC. You will be given time to learn and contribute. Right now we have Web Development (PHP/JS), ReactJS and Ruby on Rails. So you have the freedom to utilize 30% of your time on any of these languages if you wish to and remaining 70% on your primary domain.
2. We also promote self-growth. You can utilize 10% of your time to learn any skill you want and we will help you with that. It is not restricted to the tech domain, could be anything from marketing to sales to personality development.
Interview Process Details
Technical Round 1: Development Knowledge Round
We will test your skills in 3 domains
- understanding an existing written code and ability to make changes
- coding a logical question to test basic coding skills
- ability to think of test cases to write a full proof code
Technical Round 2: Coding Round
45 minutes coding round where you will be required to code live sharing your screen. On the spot problem will be given.
Additional details
Website: https://sleepycat.in/
Work Culture: 6 days(All Saturday half day)
Office Location: 91Springboard, Kalina, Mumbai
Employee Strength: 40+ Employees
Founded: 2017
Funding: $1.6 Million
Read about Sleepycat and funding on Crunchbase: https://www.crunchbase.com/organization/sleepycat
Learn what employees say about SleepyCat on Glassdoor: https://tinyurl.com/r9oqfkl
Checkout what people say about SleepyCat products on Google: https://tinyurl.com/rco3nqr
Shubham Vishwakarma
Full Stack Developer - Averlon
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JavaPostgreSQLJOB DETAILS:
* Job Title: Java Lead-Java, MS, Kafka-TVM - Java (Core & Enterprise), Spring/Micronaut, Kafka
* Industry: Global Digital Transformation Solutions Provider
* Salary: Best in Industry
* Experience: 9 to 12 years
* Location: Trivandrum, Thiruvananthapuram
Job Description
Experience
- 9+ years of experience in Java-based backend application development
- Proven experience building and maintaining enterprise-grade, scalable applications
- Hands-on experience working with microservices and event-driven architectures
- Experience working in Agile and DevOps-driven development environments
Mandatory Skills
- Advanced proficiency in core Java and enterprise Java concepts
- Strong hands-on experience with Spring Framework and/or Micronaut for building scalable backend applications
- Strong expertise in SQL, including database design, query optimization, and performance tuning
- Hands-on experience with PostgreSQL or other relational database management systems
- Strong experience with Kafka or similar event-driven messaging and streaming platforms
- Practical knowledge of CI/CD pipelines using GitLab
- Experience with Jenkins for build automation and deployment processes
- Strong understanding of GitLab for source code management and DevOps workflows
Responsibilities
- Design, develop, and maintain robust, scalable, and high-performance backend solutions
- Develop and deploy microservices using Spring or Micronaut frameworks
- Implement and integrate event-driven systems using Kafka
- Optimize SQL queries and manage PostgreSQL databases for performance and reliability
- Build, implement, and maintain CI/CD pipelines using GitLab and Jenkins
- Collaborate with cross-functional teams including product, QA, and DevOps to deliver high-quality software solutions
- Ensure code quality through best practices, reviews, and automated testing
Good-to-Have Skills
- Strong problem-solving and analytical abilities
- Experience working with Agile development methodologies such as Scrum or Kanban
- Exposure to cloud platforms such as AWS, Azure, or GCP
- Familiarity with containerization and orchestration tools such as Docker or Kubernetes
Skills: java, spring boot, kafka development, cicd, postgresql, gitlab
Must-Haves
Java Backend (9+ years), Spring Framework/Micronaut, SQL/PostgreSQL, Kafka, CI/CD (GitLab/Jenkins)
Advanced proficiency in core Java and enterprise Java concepts
Strong hands-oacn experience with Spring Framework and/or Micronaut for building scalable backend applications
Strong expertise in SQL, including database design, query optimization, and performance tuning
Hands-on experience with PostgreSQL or other relational database management systems
Strong experience with Kafka or similar event-driven messaging and streaming platforms
Practical knowledge of CI/CD pipelines using GitLab
Experience with Jenkins for build automation and deployment processes
Strong understanding of GitLab for source code management and DevOps workflows
*******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: only Trivandrum
F2F Interview on 21st Feb 2026
PythonPostgreSQL**Company Overview**
We are a VC-backed fintech startup developing an innovative online trading platform. As we scale, we're seeking a skilled Backend Engineer with expertise in Python to join our growing team and help build a robust, scalable infrastructure for our cutting-edge trading application.
We're based out of the UK and have our engineering team in India.
**Job Description**
We are looking for a backend developer who specialises in Python. Your role will focus on developing and maintaining the server-side logic, optimising performance, and ensuring seamless integration with the frontend. You’ll work closely with the engineering and product teams to deliver a high-quality, secure, and scalable platform.
**Responsibilities**
1. Develop and maintain server-side logic using Python
2. Design and implement APIs for seamless integration with frontend components
3. Optimise backend performance and scalability for high traffic and large data loads
4. Build and maintain databases, ensuring security, data integrity, and optimal performance
5. Collaborate with frontend engineers to ensure smooth integration between backend and frontend systems
6. Troubleshoot, debug, and optimise backend infrastructure
7. Implement data protection, security protocols, and authentication mechanisms (e.g., JWT)
8. Maintain and enhance real-time communication systems using WebSockets or similar protocols
**Required Skills**
1. Strong proficiency in Python and related technologies, knowledge of databases and SQL, and experience with web frameworks like Django or FastAPI
2. Strong analytical and troubleshooting skills, and the ability to solve problems
3. Good understanding of OOPs, task broking services, Queues, Redis
4. Familiarity with RESTful API design and integration
5. Strong understanding of database management (e.g., PostgreSQL, Redis) and caching strategies
6. Familiarity with modern authentication and authorization mechanisms (e.g., JWT, OAuth)
7. Proficiency in working with cloud hosting services (AWS, Google Cloud, etc.)
8. Experience with containerization and orchestration tools (Docker, Kubernetes)
9. Knowledge of real-time communication protocols (e.g., WebSockets, TCP, SSE)
10. Strong understanding of security best practices for server-side applications
11. Experience with version control (Git) and CI/CD pipelines
12. Minimum of 2-3.5 years of experience building scalable backend systems
**Perks**
1. Work From Anywhere Flexibility
2. Unlimited Leaves policy*
3. Competitive salary and unlimited growth opportunities
4. Insights on how HFT is done using cutting edge technology
If you’re passionate about building scalable, high-performance backend systems and want to be part of a cutting-edge fintech startup, we’d love to hear from you!
PostgreSQL
Go Programming (Golang)Ruby on Rails (ROR)Job Summary: We are looking for a skilled SQL Developer to join our team. The ideal candidate will have a strong understanding of database management systems, experience in writing complex SQL queries, and a solid understanding of data structures and algorithms. The SQL Developer will be responsible for designing, developing, and maintaining SQL databases, ensuring their performance, availability, and security.
Key Responsibilities:
- Design, develop, and optimize SQL databases, tables, views, stored procedures, and triggers.
- Develop efficient and complex SQL queries for data extraction, transformation, and loading (ETL).
- Create and maintain database schema designs, data models, and ER diagrams.
- Analyze and optimize complex SQL queries for better performance.
- Implement indexing strategies, query optimization techniques, and other performance tuning practices.
- Ensure data integrity and security by designing and implementing database constraints, data validation rules, and security policies.
- Work with software developers, data analysts, and system administrators to integrate SQL databases with other applications and systems.
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- Maintain accurate records of database changes, optimizations, and configurations.
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- Bachelor’s degree in Computer Science, Information Technology, or a related field.
- 3 to 5 years of experience as an SQL Developer or in a similar role.
- Proven experience in database design, development, and management.
- Experience with SQL Server, MySQL, PostgreSQL, or other relational database management systems.
- Proficiency in writing complex SQL queries, stored procedures, functions, and triggers.
- Strong understanding of indexing, query optimization, and performance tuning.
- Familiarity with database security best practices.
- Strong analytical and problem-solving skills.
- Excellent communication and collaboration abilities.
- Attention to detail and commitment to quality.
- Ability to work independently and in a team environment.
- Experience with cloud-based databases (e.g., AWS RDS, Azure SQL Database).
- Experience with NoSQL databases.
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· Comprehensive benefits package, including health
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Ruby on Rails (ROR)
Javascript
MongoDBJavaPostgreSQLMongoDB• B. E. /B. Tech. in Computer Science or MCA from a reputed university.
• 3.5 plus years of experience in software development, with emphasis on JAVA/J2EE Server side
programming.
• Hands on experience in core Java, multithreading, RMI, socket programing, JDBC, NIO, webservices
and design patterns.
• Knowledge of distributed system, distributed caching, messaging frameworks, ESB etc.
• Experience in Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database.
• Additionally, knowledge of HBase, Hadoop and Hive is desirable.
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• This is not a fullstack requirement, we are looking for a purely backend expert.
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DjangoMongoDBPostgreSQLEnguru is India’s leading destination for online learning English, with over 4 crore learners who have used our products. enguru caters to multiple audiences, including adult and children learners looking to learn English through live group and/or personal classes.
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- Proficient with JS Frameworks
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- Django
- Rest APIs (and RESTful API principles)
- Angular
- React
- mongoDB
- AWS
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JavaGo Programming (Golang)Ruby on Rails (ROR)RubyPythonEveryone at Simpl is an internal entrepreneur who is given a lot of bandwidth and resources to create the next breakthrough towards the long-term vision of “making money Simpl”. Our first product is a
payment platform that lets people buy instantly, anywhere online, and pay later. In the background, Simpl uses big data for credit underwriting, risk and fraud modeling, all without any paperwork, and enables Banks and Non-Bank Financial Companies to access a whole new consumer market.
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Principals are involved in Architecture Direction and Alignment
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2. Developing and identifying useful architecture patterns within our systems based on
industry know-how and our own operational and development experience.
3. Develop and manage an architecture decisions guidelines framework that will be useful to
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4. Documenting or making this information available to all engineers - new or old
5. Create mechanisms to audit and ensure architectural compliance across engineering teams
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Create and nurture tech communities so that developers can
● gain more knowledge about the industry practices
● learn to express their knowledge, opinions and views
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1. Bug reduction
2. MTTR reduction
3. Ensuring better engineering practices around testing, tooling, monitoring and resilience.
Cost - Infra and application costs
Ensuring systems are run and maintained with frugality in mind without compromising on business and operational expectations.
Hiring
Help hire and mentor engineers at Simpl.
Partners at Work
Principals partner with team leads, product managers, infosec engineers and devops engineers, ensuring alignment in vision and execution, splitting time between different domains as they see fit.
Minimum Qualifications
● At least 8 years of software development experience
● Experience with technically leading projects and architecting high-traffic consumer-facing applications.
● A background in CS or relevant technical experience.
● Familiarity with languages like Go, Java, Ruby and Python.
● Familiarity with the AWS Stack.
NodeJS (Node.js)PostgreSQLJob Details:-
Designation - Backend Developer
Urgently required. (NP of maximum 15 days)
Location:- Mumbai
Experience:- 2-4 years.
Package Offered:- Rs.4,00,000/- to Rs.7,00,000/- pa.
Experience required in Node.js & PostgreSQL
Backend Developer
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Responsibilities
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- Must have a clear understanding of Databases
- Write clean code to develop functional web applications
- Troubleshoot and debug applications
- Perform UI tests to optimize performance
- Manage cutting-edge technologies to improve legacy applications
- Collaborate with Front-end developers to integrate user-facing elements with server side logic
- Gather and address technical and design requirements
- Provide training and support to internal teams
- Build reusable code and libraries for future use
- Liaise with developers, designers and system administrators to identify new features
- Follow emerging technologies
Requirements
- Proven work experience as a Back-end developer
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- Familiar with building REST API
- In-depth understanding of the entire web development process (design, development and deployment)
- Hands on experience with programming languages like Java
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- Familiarity with front-end languages (e.g. HTML, JavaScript)
- Excellent analytical and time management skills
- Teamwork skills with a problem-solving attitude
Ruby on Rails (ROR)RubyProcol is India's fastest-growing procurement technology company.
Founded in 2018, Procol's solutions have been securely deployed at many $1B+ global companies helping procurement teams reduce costs, digitize procurements, improve compliance by replacing emails and excel workflows with the world's most easy-to-use and secure e-sourcing platform managing a spend of ₹5000 Cr+. Procol is rated 4.9/5 ⭐️ by trusted enterprises on G2 and has been featured by Forbes.
We're a team of ex-Google New York, Zomato, OYO who've worked at high-impact, growth companies and believe that we're on the journey of building one. Backed by investors like Blume Ventures, Sequoia Surge, Beenext, and Rainmatter.
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You will scale and lead Procol’s engineering teams. You’ll be instrumental in driving the product vision and will be responsible for hiring, developing and leading engineers to seamlessly execute our technical roadmap.
You come from experience but are not as psyched with your current pursuits and believe that there’s something more important to be done with your time. If you are a hustler who likes to take challenges and want to join a team of like-minded enthusiastic individuals then we want you on-board.
What you’ll bring
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- You are a hands-on programmer and prefer to spend 20-30% of your time writing production grade code with your team.
- You have sound understanding of software engineering principles, both for code and for people
- You have experience of leading engineering teams.
- You are emphatic and highly customer obsessed.
- You have an eye for great products and can work effectively with product managers, engineers and designers to build them.
What you'll do
- Build, scale, develop and manage teams that are collaborative, inclusive, and respectful of each other.
- Scope and lead large technical projects with enormous impact.
- Manage the processes necessary to operate the engineering teams effectively.
- Drive and contribute to company-wide engineering initiatives.
- Plan and prioritize short term and long term engineering goals and guide teams through planning, prioritization, and execution of work.
- Mentor and guide the professional and technical development of your team members. Focus on developing their careers, and assign them to projects suitable to their skill levels, work styles, and professional goals.
- Own your team’s deliverables and ensure we continue to ship scalable, highly-available products that delight our customers.
- Support the engineering and product teams in achieving a high level of technical quality, reliability, and ease-of-use.
Why you'll love Procol
- Learn and grow fast with a growing startup which impacts millions of businesses
- Work closely with the founding team and become a part of building a successful company
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- Industry competitive salary and benefits
- Get advance salaries every month
- Employee health insurance covered by us
- Flexible working hours
Procol is an equal opportunity employer and we believe diversity is key to our success.
Javascript
PHPPythonRuby on Rails (ROR)NodeJS (Node.js)
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon