Responsibilities
- You will design and develop large scale distributed services
- You will analyse and improve the efficiency, scalability, stability, and security of the platform as a whole.
- You will act as the primary owner of one or more components while driving innovation in your area of ownership
- You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
- You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
- You will work independently and handle dependencies with very minimal oversight
- You will take initiatives in developing and maintaining integrations of best practices within the back-end.
- You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.
Requirements
- You have 1 - 9 years of experience in software development.
- You have designed and scaled up the system.
- You have a strong understanding of Data Structures and Algorithms.
- You are an incessant problem solver and tougher the problem gets, more fun you have.
- You have strong command in any one or more of the following languages: Python and Django
- You understand the business impact of your decisions.
Good To Have
- You have prior experience in fintech companies
Traits We Are Looking For
- Experience in a specific tech stack doesn't matter for us.
- The general engineering mindset and aptitude is what matters more.
- Technically strong and curious.
- Should have a hacker mindset and should love exploring new technologies.
Desired Skills and Experience
Java, Python, Data Structures, Algorithms

About CoinSwitch
About
Connect with the team
Similar jobs
Mumbai malad work from office
6 Days working
1 & 3 Saturday off
AWS Expertise: Minimum 2 years of experience working with AWS services like RDS, S3, EC2, and Lambda.
Roles and Responsibilities
1. Backend Development: Develop scalable and high-performance APIs and backend systems using Node.js. Write clean, modular, and reusable code following best practices. Debug, test, and optimize backend services for performance and scalability.
2. Database Management: Design and maintain relational databases using MySQL, PostgreSQL, or AWS RDS. Optimize database queries and ensure data integrity. Implement data backup and recovery plans.
3. AWS Cloud Services: Deploy, manage, and monitor applications using AWS infrastructure. Work with AWS services including RDS, S3, EC2, Lambda, API Gateway, and CloudWatch. Implement security best practices for AWS environments (IAM policies, encryption, etc.).
4. Integration and Microservices:Integrate third-party APIs and services. Develop and manage microservices architecture for modular application development.
5. Version Control and Collaboration: Use Git for code versioning and maintain repositories. Collaborate with front-end developers and project managers for end-to-end project delivery.
6. Troubleshooting and Debugging: Analyze and resolve technical issues and bugs. Provide maintenance and support for existing backend systems.
7. DevOps and CI/CD: Set up and maintain CI/CD pipelines. Automate deployment processes and ensure zero-downtime releases.
8. Agile Development:
Participate in Agile/Scrum ceremonies such as daily stand-ups, sprint planning, and retrospectives.
Deliver tasks within defined timelines while maintaining high quality.
Required Skills
Strong proficiency in Node.js and JavaScript/TypeScript.
Expertise in working with relational databases like MySQL/PostgreSQL and AWS RDS.
Proficient with AWS services including Lambda, S3, EC2, and API Gateway.
Experience with RESTful API design and GraphQL (optional).
Knowledge of containerization using Docker is a plus.
Strong problem-solving and debugging skills.
Familiarity with tools like Git, Jenkins, and Jira.
Job Description: Python Backend Developer
Experience: 7-12 years
Job Type: Full-time
Job Overview:
Wissen Technology is looking for a highly experienced Python Backend Developer with 7-12 years of experience to join our team. The ideal candidate will have deep expertise in backend development using Python, with a strong focus on Django and Flask frameworks.
Key Responsibilities:
- Develop and maintain robust backend services and APIs using Python, Django, and Flask.
- Design scalable and efficient database schemas, integrating with both relational and NoSQL databases.
- Collaborate with front-end developers and other team members to establish objectives and design functional, cohesive code.
- Optimize applications for maximum speed and scalability.
- Ensure security and data protection protocols are implemented effectively.
- Troubleshoot and debug applications to ensure a seamless user experience.
- Participate in code reviews, testing, and quality assurance processes.
Required Skills:
Python: Extensive experience in backend development using Python.
Django & Flask: Proficiency in Django and Flask frameworks.
Database Management: Strong knowledge of databases such as PostgreSQL, MySQL, and MongoDB.
API Development: Expertise in building and maintaining RESTful APIs.
Security: Understanding of security best practices and data protection measures.
Version Control: Experience with Git for collaboration and version control.
Problem-Solving: Strong analytical skills with a focus on writing clean, efficient code.
Communication: Excellent communication and teamwork skills.
Preferred Qualifications:
- Experience with cloud services like AWS, Azure, or GCP.
- Familiarity with Docker and containerization.
- Knowledge of CI/CD practices.
Why Join Wissen Technology?
- Opportunity to work on innovative projects with a cutting-edge technology stack.
- Competitive compensation and benefits package.
- A supportive environment that fosters professional growth and learning.
Job Title: Java Developer
Location: Mumbai
Job Type: Full-Time
Experience Level: 4- 8 years
Job Overview:
We are looking for a highly skilled Java Developer to join our development team. As a Java Developer, you will be responsible for designing, developing, and maintaining robust Java applications that meet high standards of performance and reliability. The ideal candidate will have strong analytical skills, excellent problem-solving capabilities, and a deep understanding of Java and its ecosystem.
Key Responsibilities:
- Design, develop, and maintain reliable Java applications.
- Collaborate with cross-functional teams to analyze requirements and translate them into technical solutions.
- Write clean, efficient, and scalable code.
- Develop and integrate APIs and web services.
- Conduct software analysis, testing, and debugging.
- Optimize application performance, scalability, and security.
- Participate in code reviews and contribute to best practices.
Required Skills:
- Proficiency in Java and Java EE (Enterprise Edition).
- Strong understanding of Object-Oriented Programming (OOP) concepts.
- Experience with Spring Framework (Spring Boot, Spring MVC) and Hibernate.
- Familiarity with RESTful API design and development.
- Knowledge of SQL and database management systems like MySQL, PostgreSQL, or Oracle.
- Experience with version control systems like Git.
- Familiarity with build tools like Maven or Gradle.
- Solid understanding of application security, data protection, and performance optimization.
*forward your resume to (ambikadotj@semperfidotcodotin)(dot - .)
) 2+yrs of strong experience in Java/J2EE technologies (Core Java, Spring, Springboot, Hibernate,
JPA, Microservices)
*) Experience with working on Java 8.0 and its emerging road map for 11
*) Hands on experience in Springboot and good knowledge of MySQL, MongoDB
*) Hands on experience in working with Angular 6 and above. Experience working with product
management and UI/UX designers having knowledge of advanced Javascript, JQuery
*) Working knowledge on components, modules, data/event bindings, templates, using and creating
directives, writing routes, services, forms and models
*) Solid understanding of the full frontend and backend development life cycle
*) Strong experience in Spring Framework (Spring MVC, Spring security, Spring data, OAuth)
*) Experience with Webservices (SOAP and REST) and API integration. Good knowledge of JSON and
Swagger and Postman is required
*) Experience with web application servers like Tomcat, Jetty, JBoss. Knowledge of Kafka with MQTT
would be an added advantage
*) Experience with TDD, code testability standards, JUnit
*) Experience in managing configurations and deploying and hosting applications in AWS
*) Experience with DevOps tools like Git, Maven, SourceTree, Jenkins, Docker and CICD model of
development
skills required:JAVA,SPRINGBOOT,MICROSERVICES,SPRING,HIBERNATE
The Team and Your Role
You will be a part of the Enterprise Engineering team, which is responsible for design and development of foundational software utilized by applications throughout AQR, including:
§ Enterprise Cloud Platform
§ Enterprise Messaging Fabric
§ Common Data Access Framework
§ Role Based Entitlements System
§ Application Monitoring and Alerting
§ Application Configuration Management
§ Business Notifications
These foundational services are part of a larger project that streamlines the entire SDLC from project inception through to production and post-production. We build and maintain common development tools and libraries that are implemented in Java, Python and Golang. The libraries provide business applications with core functionalities needed to build any application within our environment. In addition, we provide standardized cloud-based runtime platform with necessary tooling for all AQR applications.
What You Will Bring
§ Engineering degree in Computer Science or equivalent field from top schools
§ 3 to 5 years of software development experience with substantial individual contribution
§ Outstanding coding, debugging and analytical skills
§ Experience working with complex projects through the software development lifecycle
§ Experience working in a geographically spread out team
§ Hands on programming experience with mastery over at least one programming language in Java or Python
§ Strong knowledge of: Spring, Multithreading, Open Source dbase
§ Microservice architecture
§ RESTful application design
§ Experience designing and developing distributed systems
§ OOP design patterns (especially Java or Python) and data modeling
Our technology platform includes:
§ AWS
§ Kafka
§ Mesos
§ Docker
§ Redis
§ Spring Boot
§ Excellent communication skills both verbal and written
§ Demonstrated contributions to open-source software is also a plus
ColorTokens - Java Developer
Location: Bangalore
Years of Experience : 4 to 9 years
ColorTokens is a Silicon Valley company located in Santa Clara that is redefining Enterprise and Cloud Security. We are a product company in the Network and Cyber Security space. We are building a product team in India that rivals the best minds in the world and deliver products that are Novel, Refreshing and Insightful (NRI).
It is backed by legendary investors and advisors who have helped structure the IT industry over last 30+ years. ColorTokens core team represents deep industry experience across hardware, software and cloud technologies.
An enterprise class technology takes time bring to market. During this time, we do not want to expose our product and approach to competitors, experts, analysts and the world at large. Our mission is to deliver the next generation Cyber Security platform. Do you want to participate in this paradigm shift?
Who You Are
u Someone with a zeal to contribute to the success of the company as a individual contributor
u Good problem solving skill
u A proactive, self driven individual with a passion for innovation
u A ethical professional with a dedication and determination to make game changing impact on our product
Eligibility Criteria :
u At least 4+ years industry experience in Java
u Good in Data Structures and algorithms
Exposure and flair expected:
u Familiar with various design and architectural patterns
u Knack for writing clean, readable code
u Ability to drive high standards of product quality








