
- Design patterns- socket communication/ micro services architecture
- Caching - REDIS MEMCACHED etc
- Database - MONGO, SQL etc. min 2yrs experience with these.
- Features created for large concurrent requests.
- Node Js, Go lang any asynchronous programming language min 2 yrs exp with any one of them.
- Message Queues - RABBIT MQ, Kafka etc.

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Job description
- Database Design & Development:
- Design, implement, and maintain PostgreSQL databases.
- Develop efficient schemas, indexes, and stored procedures to optimize data performance.
- Backend Development:
- Develop RESTful APIs and backend services using Node.js.
- Integrate databases with backend applications for seamless data flow.
- Query Optimization & Performance Tuning:
- Optimize SQL queries for performance and scalability.
- Monitor database health and troubleshoot slow queries or deadlocks.
- Security & Compliance:
- Implement database security best practices, including role-based access control (RBAC) and encryption.
- Ensure compliance with industry standards like GDPR, HIPAA, etc.
- Data Migration & Backup:
- Develop and maintain data migration scripts between different PostgreSQL versions or other databases like mongodb.
- Set up and manage database backup and recovery strategies.
- Write efficient SQL queries and manage database schemas using PostgreSQL.
- Build RESTful APIs and integrate third-party APIs/services.
- Optimize application performance and troubleshoot production issues.
- Ensure data security and protection practices are followed.
- Write clean, maintainable code and participate in code reviews.
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.
• 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.
• 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.
What We Expect:
• 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.
Company Description
Miko is an advanced artificial intelligence innovation lab with a mission to bring AI and robotics to every consumer home. Headquartered in Mumbai, India, our workforce spans several countries, including the
United States, Canada, Europe, and the Middle East. To check out various product offerings, visit Miko's website.
Position Overview:
We seek a highly skilled and experienced Senior/ Lead Software Engineer to join our innovative team. The ideal candidate will have a strong background in Java development and be proficient in various backend technologies and frameworks. The role involves designing, developing, and maintaining high-performance, scalable backend systems. The candidate should be comfortable working in a Linux environment and have hands-on experience with both SQL and NoSQL
databases, as well as modern containerization and orchestration tools.
Key Responsibilities:
• Design, develop, and maintain backend services using Java, Spring Boot, and Vert.x.
• Implement and manage database solutions using SQL and NoSQL databases.
• Work with Hibernate for ORM (Object-Relational Mapping).
• Develop and manage caching mechanisms with Redis.
• Implement messaging and streaming solutions using Kafka.
• Utilize Docker for containerization and Kubernetes for orchestration.
• Perform system designing to ensure high availability, scalability, and reliability of applications.
• Design and develop microservices or monolithic architectures based on project requirements.
• Collaborate with front-end developers and other team members to establish objectives and design more functional, cohesive code to enhance the user experience.
• Write clean, scalable code using Java programming languages.
• Revise, update, and debug code.
• Improve existing software.
• Develop documentation throughout the software development life cycle (SDLC).
• Serve as an expert on applications and provide technical support.
Mandatory Skills and Qualifications:
• Proven experience as a Java Backend Developer.
• Strong expertise in Java, Spring Boot, and Vert.x.
• Proficient in using Hibernate for ORM.
• Extensive experience with Linux operating systems.
• Hands-on experience with Git version control system.
• Solid understanding of SQL and NoSQL databases.
• Experience with Redis for caching.
• Practical knowledge of Kafka for messaging and streaming.
• Proficiency with Docker for containerization and Kubernetes for orchestration.
• Strong understanding of system designing principles.
• Experience with microservices or monolithic architecture.
• Excellent problem-solving skills and attention to detail.
• Ability to work independently and as part of a team.
• Strong communication skills.
Preferred Skills:
• Familiarity with CI/CD pipelines.
• Knowledge of cloud platforms (AWS, Azure, GCP).
• Understanding of network protocols and security.
Educational Qualifications:
• Bachelor's or Master’s degree in Computer Science, Information Technology, or a related field.
Why Miko?
• Cutting-Edge Technology: Work with the latest in AI, robotics, and software development.
• Dynamic Work Environment: Collaborative and inclusive culture encouraging creativity and innovation.
• Career Growth: Opportunities for continuous learning, mentorship, and professional advancement.
• Impactful Work: Contribute to products that enhance the learning and play experiences of children worldwide.
• Global Reach: Be part of a brand that has a significant international presence.
• Innovative Products: Develop revolutionary products like the Miko robot.
• Supportive Culture: Enjoy a diverse, inclusive, and well-balanced work-life environment.
• Competitive Compensation: Receive competitive salaries and benefits packages.
• Entrepreneurial Spirit: Bring your ideas to life in a company that values initiative.
• Community Engagement: Participate in outreach programs and initiatives that give back to the community.
Skills:
Strong knowledge of MYSQL/PostGreSQL; Knowledge of MongoDB, Redis, Couch DB is preferred.
Expertise in application development, databases, version control, and deployment. Skill - Node.js,
Experience of AWS or GCP - especially services such as Lambda or google app engine
Solid grasp of Service-oriented architecture. Web Services implementation on a medium to large scale
Solid understanding of scaling mobile app services. Having worked the backend of an Android app is preferred
Culture:
Ability to work independently with minimal supervision
Happy to deal with, and contribute to, an environment of daily builds Has worked in small teams, is versatile. Work within short timelines and be receptive to business needs. Can work closely with Digital, Product, Operations teams.
Desirable Social Attributes:
Has contributed to one or more Open Source projects through own initiative. Has provided a high quality answer to a question posted on StackOverflow.
Role:
As a Software Developer who would work independently, the candidate is expected actively acquire problems and deliver solutions as well as guide the team technically. Such a problem solver would obviously be a self starter with a high level of curiosity rather than a programming language specialist.
He/she would be required to produce software of the highest quality through self-discipline, clear and engaged communication, and attention to detail. The role would include custom web application development on (most typically on Node.js and PHP/Python), databases (most typically MySql and MongoDb), version control (github), testing (necessarily through test scripts written before code is written), daily builds and eventual deployment onto AWS or GCP.
Attributes of the ideal candidate:
Highly productive software developer with the proven aptitude to understand and apply technology
Determination to succeed despite obstacles and challenges, and a positive attitude favoring achievement of goals over open-ended investigation
Always learning, evolving, and sharing what you know
Inspired by complex, varied problems and rapid change
Open-minded, flexible, and curious about new and better ideas
● A Bachelor's degree in Computer Science or related field(or combined with related experience)
● Strong Expertise in Node.js/Javascript
● Hands-on experience in writing Node.js applications
● Deep knowledge of Restful APIs, Web Services, command-line programs and solid design principles.
● Knowledge of Node.js and frameworks like Express.js,Sails.js,StrongLoop, Meteor,Loopback.js, etc
● Knowledge of SQL and NoSQL database(MongoDB)
● Knowledge of tools like Docker, Git, Postman, JSdocs, etc.
● Well versed with front-end technologies - HTML5, and CSS3, AWS, GCP, Azure, Good hold on CLI
command, OS
● Proficiency in multiple programming languages, both dynamic(Javascript, Python, Ruby, etc.) and
strongly typed object-oriented language.
● Implementing automated testing platforms and unit tests.
● Must be a proven performer and team player that enjoys challenging assignments in a high energy,
fast growing and start-up workplace.
● Good communication and interpersonal skills
A backend developer works alongside front-end developers, full stack developers, programmers or UX specialists to create comprehensive digital solutions for business needs. They make sure the website is scalable and that it can still function when hit by large loads—be that traffic or demanding scripts. They are also tasked with
maintaining and testing existing back-end elements to ensure they’re as fast and efficient as possible. Data storage also comes under their remit, which requires them to have a good knowledge of data security and compliance.
Duties and responsibilities:
• Analyses, designs, develops, and codes REST API using NodeJS more programming languages, Web and Rich Internet Applications.
• Supports applications with an understanding of system integration, test planning, scripting, and troubleshooting.
• Assesses the health and performance of software applications and databases.
• Establishes, participates, and maintains relationships with business units, customers and subject matter experts to remain apprised of direction, project status, architectural and technology trends, risks, and functional/integration issues.
• Defines specifications and develop programs, modifies existing programs, prepares test data, and prepares functional specifications.
• Analyses program and application performance using various programming languages, tools and techniques.
• Manage staff of 2-3 & manage microservices of software most effectively and efficiently.
• Reviews project proposals evaluate alternatives, provides estimates and makes recommendations.
• Designs and defines specifications for systems.
• Identifies potential process improvement areas and suggests options and recommends approaches
System Design Concepts:
- Scaling
- API Gateway
- Microservices
- Message Queue
Qualifications:
Graduation - B. Com + IT Certification/ B.Sc. - IT / B.Sc. Comp Sc./ B.Sc. IT/ BE-IT/ BE-Comps
Technical Skills:
Oracle, SQL, Java, Node JS, REST API Debugging.
Soft Skills:
Client Management; Good interpersonal skills; Good Communication
In this role, the individual will be part of the engineering team and will be responsible for
* Participating and collaborating with Product Owner/ Cross-functional teams in the organization to understand the business requirements and to deliver solutions that can scale.
* Design and Develop API in NodeJS using Express JS framework with relevant middleware integrations.
* Designing and implementing software that is simple, intuitive, and easy to use with Test first driven Approach.
* Proactively anticipating problems and keeping the team and management informed in a timely manner.
**Basic Requirements:**
* 1-2 years experience in designing and building secure large-scale systems.
* Deep experience in one or more relevant front-end frameworks such as React.
* Ability to rapidly prototype and adjust in response to customer feedback
* Strong problem solving and troubleshooting skills.
* Solid coding practices including peer code reviews, unit testing, and a preference for agile development.
* Expertise in NodeJS and JavaScript;
* Strong in Jasmine, Karma, Jest, Mocha, Cucumber JavaScript testing frameworks.
* Strong in REST, GraphQL API frameworks.
* Knowledge of securing REST APIs using OAuth, JWT, etc.
* Experience in designing and working with No SQL Databases such as Mongo etc.
* Experience in designing and working with SQL Databases such as MySQL, Postgres, etc.
* Experience in building solutions on top of any of cloud technologies like AWS, Google Cloud.
* Excellent written and verbal communication skills.
* Experience with building service side applications with object-oriented design and Multi-page MVC architecture.
* Actively practicing professional software engineering best practices for the full software development life-cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.









