
Technologies
Must have Core JAVA, J2EE, Multithreading, OOPS, and Multiprocessing
Great to have RabbitMQ, Netty, XML, JSON, Messagepack
Huge Advantage: Good at mathematics, statistics, complex data structures, algorithms, and design patterns
Other skills
- Ability to understand most complex and challenging problems and solve them from users’ view point
- Ability to create and present software designs (as per the aligned solution) to the product owner
- Ability to build and create modules from scratch.
- Ability to write, understand and deal with large code base
- Experience in understanding and implementing design patterns
- Ability to provide technical leadership to a team of equally talented, efficient and motivated engineers
Roles and responsibilities
- Responsible for solving the most complex and seemingly impossible problems related to variety of dimensions of software engineering. Dealing with Big Data to Complex Data Structures, From Inter Process Communication to sub 100 MilliSec server responses, From Distributed Systems to 99.999 Availability.
- Responsible for providing technical leadership to a team of 3-4 Engineers
- Responsible to drive delivery of a project/module and report to Product Owner
- Responsible for functional/technical tracking of a project/module
Responsibility Split
- 80% Technology, 20% Team management
- With 80:20 split this is definitely a technology oriented role suitable for geeks.

About ClearTrail Technologies
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Skills
- Strong analytical thinking and problem-solving abilities.
- Solid understanding of system design, data structures, and algorithms.
- Proven experience in designing and implementing scalable architectures and robust design patterns.
- Ability to deliver end-to-end features and enhancements with minimal supervision.
- Proficient in debugging and resolving complex production issues and identifying root causes quickly.
- Ability to quickly learn and integrate new systems into existing platforms.
Programming Languages
- Strong expertise in Java or Python.
Database Skills
- Proficiency in SQL, with hands-on experience in PostgreSQL and MySQL.
Experience with NoSQL technologies, including MongoDB and Redis.
We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and
a deep interest in scalable, low-latency systems.
Key Responsibilities
• Develop, maintain, and optimize backend applications using Python.
• Build and integrate RESTful APIs and microservices.
• Work with relational and NoSQL databases for data storage, retrieval, and optimization.
• Write clean, efficient, and reusable code while following best practices.
• Collaborate with cross-functional teams (frontend, QA, DevOps) to deliver high quality features.
• Participate in code reviews to maintain high coding standards.
• Troubleshoot, debug, and upgrade existing applications.
• Ensure application security, performance, and scalability.
Required Skills & Qualifications:
• 2–4 years of hands-on experience in Python development.
• Strong command over Python frameworks such as Django, Flask, or FastAPI.
• Solid understanding of Object-Oriented Programming (OOP) principles.
• Experience working with databases such as PostgreSQL, MySQL, or MongoDB.
• Proficiency in writing and consuming REST APIs.
• Familiarity with Git and version control workflows.
• Experience with unit testing and frameworks like PyTest or Unittest.
• Knowledge of containerization (Docker) is a plus.
We are looking for a skilled Java Developer with hands-on experience in Java, Spring Boot, and Microservices architecture to join our dynamic development team. The ideal candidate will be responsible for designing, developing, and maintaining high-performance, scalable applications that meet the needs of modern enterprise systems.
Key Responsibilities:
💠Design, develop, test, and deploy Java-based applications using Spring Boot and Microservices.
💠Collaborate with product managers, architects, and cross-functional teams to understand requirements and deliver solutions.
💠Build and maintain RESTful APIs for various business functionalities.
💠Participate in code reviews, debugging, and performance tuning.
💠Ensure best practices in code quality, security, and software development lifecycle (SDLC).
💠Maintain and improve existing systems and troubleshoot issues as needed.
💠Implement and manage containerized applications (e.g., using Docker, Kubernetes) where applicable.
💠Integrate third-party APIs and work with database systems (SQL and/or NoSQL).
💠Monitor and maintain application performance and scalability.
Required Skills & Qualifications:
💠Bachelors/Masters degree in Computer Science, Engineering, or related field.
💠Strong proficiency with Spring Boot and the broader Spring Framework.
💠Proven experience in building and deploying Microservices.
💠Knowledge of RESTful web services and API design.
💠Experience with databases like MySQL, PostgreSQL, or MongoDB.
💠Familiarity with CI/CD tools (e.g., Jenkins, GitLab CI) and version control systems like Git.
💠Understanding of containerization tools (Docker, Kubernetes is a plus).
💠Strong problem-solving and communication skills.
Role: Java Developer
Location: Bengaluru - Hybrid
Mode: Full Time
Job Description: We are looking for a talented and motivated Software Engineer with expertise in both Windows and Linux operating systems and solid experience in Java technologies. The ideal candidate should be proficient in data structures and algorithms, as well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience working with MySQL databases is also essential for this role.
Responsibilities:
● Design, develop, test, and maintain software applications using Java technologies.
● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.
● Develop and optimize database operations with MySQL.
● Analyze and solve complex problems by applying knowledge of data structures and algorithms.
● Work with both Windows and Linux environments to develop and deploy solutions.
● Collaborate with cross-functional teams to deliver high-quality products on time.
● Ensure application security, performance, and scalability.
● Maintain thorough documentation of technical solutions and processes.
● Debug, troubleshoot, and upgrade legacy systems when required.
Requirements:
● Operating Systems: Expertise in Windows and Linux environments.
● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).
● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.
● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.
● Version Control Systems: Experience with tools like Git.
● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional)
● Design and deliver scalable web services, APIs, and backend data modules.
Understand requirements and develop reusable code using design patterns &
component architecture and write unit test cases.
● Collaborate with product management and engineering teams to elicit &
understand their requirements & challenges and develop potential solutions
● Stay current with the latest tools, technology ideas, and methodologies; share
knowledge by clearly articulating results and ideas to key decision-makers.
Requirements
● 3-6 years of strong experience in developing highly scalable backend and
middle tier. BS/MS in Computer Science or equivalent from premier institutes
Strong in problem-solving, data structures, and algorithm design. Strong
experience in system architecture, Web services development, highly scalable
distributed applications.
● Good in large data systems such as Hadoop, Map Reduce, NoSQL Cassandra, etc.. Fluency in Java, Spring, Hibernate, J2EE, REST Services Ability to deliver code
quickly from given scenarios in a fast-paced start-up environment.
● Attention to detail. Strong communication and collaboration skills.
Exp - 5 - 9 years
Skills : Java, Spring MVC, Spring Boot, HTML, CSS, JavaScript, Angular.js, RESTful APIs
- Looking for Senior Java Developers with strong core java skills and event-driven - microservices development.
- Exp. in Banking Domain added as advantage
Responsibilities:
1. Experience working in Lean and agile environments and practising Scrum
2. Designing of robust and scalable solutions to support Enterprise application
3. Develop and support middle ware applications using Java / Open Source
4. Provide second level support to fixes and solutions for issues in production
5. Enhance and maintain applications and components for Liquidity functions.
6. Experience in Designing scalable solutions
7. Engineering architecture, platform configuration, and documentation experience.
8. Knowledge of modern development lifecycles, such as Agile and iterative development
9. Knowledge of Biodata with HBase and spark is an added advantage
10. Collaborate with BA, QA and PM team members for effective testing and delivery.
Requirements :
1. 5+ years of experience in core Java
2. Experience in Spring MVC, Spring Boot
3. Strong database and data management experience in relational databases
4. Excellent verbal and written communication skills in English Desired Qualifications
5. Knowledge of HTML, CSS, JavaScript, Angular.js
6. Experience in event-driven workflow processing using Kafka, ActiveMQ, or Netflix OSS or similar
7. Exp. in Banking Domain added as advantage
- Expertise in software design and development.
- Proficiency with at least one Object Oriented language(e. g. Java)
- Experience with building high-performance, highly available and scalable distributed systems
- Experience with API Design, ability to architect and implement an intuitive customer and third-party integration story.
- Experience level of 6 to 9 years of experience in very large-scale applications.
- Strong problem-solving skills, computer science fundamentals, data structures and
- algorithms their space & time complexities
- Design (LLD & HLD) and architect technical solutions for the business problems of a very large-scale portal.
- Strong hands-on and practical working experience with Java as the programming language
- Strong debugging skills - Code, Logs, DB, JVM
- Excellent coding skills - should be able to convert design into code fluently.
- Hands-on experience working with Databases and Linux platform
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








