
- Strong experience in Core Java, Multi-Threading, data structures (List/Map/Set) and unit testing
- with (Junit, Mockito)
- Strong experience with Spring Framework (Spring MVC, Spring REST, Spring Data), ORM
- frameworks (JPA, Hibernate) and RDBMS (Oracle/MySQL/Postgres)
- Strong experience in applying Object-Oriented design principles and Design Patterns
- Good knowledge of Multi-Tier architecture, Micro Services architecture and Service Oriented
- Architecture
- Exposure to AWS Cloud, NoSQL Database (Mongo, Cassandra), Message Broker (Active
- MQ/RabbitMQ/Apache Kafka) and Big Data Technologies (Hadoop/Hive/Spark)
- Additionally, must possess capability to review code, produce technical specification document
- and knowledge of code quality tools (PMD/FindBugs/Sonar)

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About Us:
Tradelab Technologies Pvt Ltd is not for those seeking comfort—we are for those hungry to make a mark in the trading and fintech industry. If you are looking for just another backend role, this isn’t it. We want risk-takers, relentless learners, and those who find joy in pushing their limits
every day. If you thrive in high-stakes environments and have a deep passion for performance driven backend systems, we want you.
What You Will Do:
• We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and a deep interest in scalable, low-latency systems.
• You should have 3–4 years of experience in Python-based development and be eager to solve complex performance and scalability challenges in trading and fintech applications.
• You measure success by your own growth, not external validation.
• You thrive on challenges, not on perks or financial rewards.
• Taking calculated risks excites you—you’re here to build, break, and learn.
• You don’t clock in for a paycheck; you clock in to outperform yourself in a high-frequency trading environment.
• You understand the stakes—milliseconds can make or break trades, and precision is everything.
What We Expect:
• Develop and maintain scalable backend systems using Python.
• Design and implement REST APIs and socket-based communication.
• Optimize code for speed, performance, and reliability.
• Collaborate with frontend teams to integrate server-side logic.
• Work with RabbitMQ, Kafka, Redis, and Elasticsearch for robust backend design.
• Build fault-tolerant, multi-producer/consumer systems.
Must-Have Skills:
• 3–4 years of experience in Python and backend development.
• Strong understanding of REST APIs, sockets, and network protocols (TCP/UDP/HTTP).
• Experience with RabbitMQ/Kafka, SQL & NoSQL databases, Redis, and Elasticsearch.
• Bachelor’s degree in Computer Science or related field.
Nice-to-Have Skills:
• Past experience in fintech, trading systems, or algorithmic trading.
• Experience with GoLang, C/C++, Erlang, or Elixir.
• Exposure to trading, fintech, or low-latency systems.
• Familiarity with microservices and CI/CD pipelines.
A B.Tech/M.Tech in Computer Sc, a SDE should have 1-3 years of experience in SW solution development. We are specifically looking for a SDE who:
- is highly proficient in Java Coreand Spring boot applications including making high quality, highly performing code under JVM environment.
- has good working knowledge in design of n-Tier databases (Postgres, NoSQL DBs e.g. Cassandra/MongoDB)
- has worked in agile development environment under open source gitlab including testing, change management
- is highly proficient in OOD, extensibility, usability, understand data pre-processing
- has exposure to full life cycle of product implementation and deployment of enterprise products driving a subsystem including development under gitlab or github.
- [Desirable] Ability to optimize an ML solution for accuracy and scale
- [Desirable] has experience in working with Advanced Java
Mandatory Skills:-
• Total experience required 1 years in Java Development.
• Experience on any one of these databases like MySQL OR MongoDB OR Oracle OR
PostgreSQL will work
• Experience in Spring Framework, Hibernate, SpringBoot, REST Web-Services.
• Should have experience with designing and understanding DB schema as per the
business requirements.
• Should have experience with software design patterns.
• Proficient understanding of code versioning tools, such as Git.
Roles and Responsibilities:
• The role covers mostly Java Development with the use of SpringMVC and/or Spring
Boot.
• Analyse product requirements and design to develop efficient, reusable, reliable, and
scalable software with quality conformance.
• Collaborate with the team on architecture, design, code, and configuration reviews.
Desired Candidate Profile
• Good communication skills
• Good troubleshooting skills, analytical and logical skills
• Excellent team spirit and teamwork
• Collaboratively work with the team
• Good to Have: - Experience in Hibernate ORM, Designing Microservices, Experience
in Swagger and Postman.

We have urgent Requirement for Java Developer with one of leading IT firm.
Experience:- 5yr - 8yrs
Qualification:- Computer Science, Engineering or a related field
Location:- Mumbai (Thane)
Responsibilities:-
Maintain up to date code documentation
Participating in code reviews
Desired Profiles:
Degree in Computer Science, Engineering or a related field
2 to 5 years’ experience required
You have prior experience in Java development
Required hands-on experience of Java Application Frameworks (Struts, Spring, Hibernate, Spring boot)
Hands-on experience working in an Agile environment
Responsibilities & ownership
- Lead, build, deliver and ensure customer success of next-generation features related to scalability, reliability, robustness, usability, security, and performance of the product.
- Work on distributed systems for data processing with efficient protocols and communication, locking and consensus, schedulers, resource management, low latency access to distributed storage, auto scaling, and self healing.
- Understand and reason about concurrency and parallelization to deliver scalability and performance in a multithreaded and distributed environment.
- Lead the team to solve complex and unknown problems
- Solve technical problems and customer issues with technical expertise
- Design and deliver architectures that run optimally on public clouds like GCP, AWS, and Azure
- Mentor other team members for high quality and design
- Collaborate with Product Management to deliver on customer requirements and innovation
- Collaborate with Support and field teams to ensure that customers are successful with Dremio
Requirements
- B.S./M.S/Equivalent in Computer Science or a related technical field or equivalent experience
- Fluency in Java/C++ with 3alm+ years of experience developing production-level software
- Strong foundation in data structures, algorithms, multi-threaded and asynchronous programming models, and their use in developing distributed and scalable systems
- 5+ years experience in developing complex and scalable distributed systems and delivering, deploying, and managing microservices successfully
- Hands-on experience in query processing or optimization, distributed systems, concurrency control, data replication, code generation, networking, and storage systems
- Passion for quality, zero downtime upgrades, availability, resiliency, and uptime of the platform
- Passion for learning and delivering using latest technologies
- Ability to solve ambiguous, unexplored, and cross-team problems effectively
- Hands on experience of working projects on AWS, Azure, and Google Cloud Platform
- Experience with containers and Kubernetes for orchestration and container management in private and public clouds (AWS, Azure, and Google Cloud)
- Understanding of distributed file systems such as S3, ADLS, or HDFS
- Excellent communication skills and affinity for collaboration and teamwork
- Ability to work individually and collaboratively with other team members
- Ability to scope and plan solution for big problems and mentors others on the same
- Interested and motivated to be part of a fast-moving startup with a fun and accomplished team
About the role:
As a product engineer I/II, you will be responsible for continuous improvement of Cashfree experience for all our customers and end- users. You will dream big but identify and take small steps towards achieving that goal. You will receive great feedbacks at every step of the development cycle from your peers to our customers and end- users.
You may be working on architecting the money disbursement flow or creating most- friendly interface for consumer payment. All our engineers identify as generalist and building products that are useful and delightful are core to our engineering culture.
You're more than a coder. You wil be part of entire product process, from conceptualizing till post- launch evaluation. You should have deep empathy for the users to minimize the gap between what we build and what they need. Have sound judgement to balance between code writing speed and it's maintainability. Knowledge of variety of server- side/ frontend frameworks is desirable but not compulsory
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









