
About Koinex
About
Connect with the team
Similar jobs
We are seeking a skilled Java Developer with hands-on experience in Java and Spark to build scalable data processing solutions. You'll contribute to high-performance data pipelines and analytics platforms in a dynamic Agile environment.
Key Responsibilities
- Design and develop Java applications integrated with Apache Spark for ETL processes, data transformations, and analytics.
- Build and optimize Spark jobs (Spark SQL, DataFrames, Streaming) for large-scale data processing.
- Collaborate with data engineers and analysts to implement robust data workflows.
- Write clean, maintainable Java code following best practices (Spring Boot, Microservices preferred).
- Perform code reviews, unit testing, and contribute to CI/CD pipelines.
- Troubleshoot and optimize Spark performance for production workloads.
- Document technical solutions and mentor junior developers.
Required Skills & Qualifications
- 4-7 years of hands-on Java development experience.
- Strong expertise in Apache Spark (Spark Core, Spark SQL, PySpark basics).
- Proficiency in Java 8/11+ with multithreading and collections frameworks.
- Experience with data processing (ETL, data pipelines, big data).
- Familiarity with build tools (Maven/Gradle) and version control (Git).
- Strong problem-solving skills and Bangalore location availability.
- Excellent communication skills for cross-team collaboration.
Good to Have
- Experience with Snowflake for cloud data warehousing.
- Knowledge of DBT (Data Build Tool) for analytics engineering.
- Python scripting for data manipulation and automation.
- Exposure to AWS/GCP/Azure cloud platforms.
- Familiarity with Kafka, Airflow, or containerization (Docker/Kubernetes).
Job Title - Senior Backend Engineer
About Tazapay
Tazapay is a cross border payment service provider. They offer local collections via local payment methods, virtual accounts and cards in over 70 markets. The merchant does not need to create local entities anywhere and Tazapay offers the additional compliance framework to take care of local regulations and requirements. This results in decreased transaction costs, fx transparency and higher auth rates.
They are licensed and backed by leading investors. www.tazapay.com
What’s exciting waiting for You?
This is an amazing opportunity for you to join a fantastic crew before the rocket ship launch. It will be a story you will carry with you through your life and have the unique experience of building something ground up and have the satisfaction of seeing your product being used and paid for by thousands of customers. You will be a part of a growth story be it anywhere - Sales, Software Development, Marketing, HR, Accounting etc.
We believe in a culture of openness, innovation & great memories together.
Are you ready for the ride?
Find what interesting things you could do with us.
About the Backend Engineer role
Responsibilities (not exhaustive)
- Design, write and deliver highly scalable, reliable and fault tolerant systems with minimal guidance
- Participate in code and design reviews to maintain our high development standards
- Partner with the product management team to define and execute the feature roadmap
- Translate business requirements into scalable and extensible design
- Proactively manage stakeholder communication related to deliverables, risks, changes and dependencies
- Coordinate with cross functional teams (Mobile, DevOps, Data, UX, QA etc.) on planning and execution
- Continuously improve code quality, product execution, and customer delight
- Willingness to learn new languages and methodologies
- An enormous sense of ownership
- Engage in service capacity and demand planning, software performance analysis, tuning and optimization
The Ideal Candidate
Education
- Degree in Computer Science or equivalent with 5+ years of experience in commercial software development in large distributed systems
Experience
- Hands-on experience in designing, developing, testing and deploying applications on Golang, Ruby,Python, .Net Core or Java for large scale applications
- Deep knowledge of Linux as a production environment
- Strong knowledge of data structures, algorithms, distributed systems, and asynchronous architectures
- Expert in at least 1 of the following languages: Golang, Python, Ruby, Java, C, C++
- Proficient in OOP, including design patterns.
- Ability to design and implement low latency RESTful services
- Hands-on coder who has built backend services that handle high volume traffic.
- Strong understanding of system performance and scaling
- Possess excellent communication, sharp analytical abilities with proven design skills, able to think critically of the current system in terms of growth and stability
- Data modeling experience in both Relational and NoSQL databases
- Continuously refactor applications to ensure high-quality design
- Ability to plan, prioritize, estimate and execute releases with good degree of predictability
- Ability to scope, review and refine user stories for technical completeness and to alleviate dependency risks
- Passion for learning new things, solving challenging problems
- Ability to get stuff done!
Nice to have
- Familiarity with Golang ecosystem
- Familiarity with running web services at scale; understanding of systems internals and networking are a plus
- Be familiar with HTTP/HTTPS communication protocols.
Abilities and Traits
- Ability to work under pressure and meet deadlines
- Ability to provide exceptional attention to details of the product.
- Ability to focus for extended periods of repetitious activity.
- Ability to think ahead and anticipate problems, issues and solutions
- Work well as a team player and help the team members to resolve issues
- Be committed to quality and be structured in approach
- Excellent and demonstrable concept formulation, logical and analytical skills
- Excellent planning, organizational, and prioritization skills
Location - Chennai - India
Join our team and let's groove together to the rhythm of innovation and opportunity!
Your Buddy
Tazapay
Node.Js Developer Job Description:
Roles & Responsibilities:
- Developing and maintaining all server-side components.
- Developing high-performance applications by writing testable, reusable, and efficient code.
- Implementing effective security protocols, data protection measures, and storage solutions.
- Running diagnostic tests, repairing defects, debugging, and providing technical support.
- Documenting Node.js processes, including database schemas, as well as preparing reports.
- Recommending and implementing improvements to processes and technologies.
- Keeping informed of advancements in the field of Node.js development.
- Recruiting, mentoring, personal and professional development of new team members
- Managing the team of Nodejs Developers and solving their queries.
- Follow and improve code quality standards
- You would be responsible to take interviews for Node.js Technologies & share practical tasks with the candidates if required.
- Conduct Code Reviews and help the team learn about the mistakes to avoid
- Develop standard practices for developers to continuously improve the quality
- Develop Architecture and design for the complex business problems
- Deployment of code, database migrations, and a thorough understanding of the impact of changes in the production environment
- Understanding and augmenting the system and application architecture as needed
- The ability to organize the development process, create a working atmosphere and distribute the workload in the team.
- Identify programming bottlenecks and bugs and find fixes.
- Familiarity with AWS infrastructure.
- Knowledge of front-end technologies.
- Strong understanding of git.
- learn new technology and distribute it to team members.
Requirements/Qualifications:
- At least 1+ years of experience as a Node.js developer.
- Must have good communication skills in English.
- Superb interpersonal, communication, and collaboration skills.
- Exceptional analytical and problem-solving aptitude.
- Great organizational and time management skills.
- Knowledge of development methodology.
- Must be willing to do hands-on coding where required and perform regular code reviews etc.
- Understanding trends and being able to critically assess.
- Availability to resolve urgent web application issues outside of business hours.
- Experience working in a team leadership role
• Excellent interpersonal/communication skills, both verbal and written •
• 7+ years of experience in Java/Node.js, REST/Graph QL, Redis on AWS Fargate • Design and develop high quality back-end code (Node.js/Go/JAVA) • Excellent in one or more Go, Java, Node.js skills • In-depth knowledge of Restful / GraphQL API, JSON.
• Experience with CI/CD and tools like Git, Bitbucket and Jenkins.
• Solid understanding of relational databases (e.g., Postgres, MySQL) and experience in NoSQL (e.g., Graph DB, MongoDB, DynamoDB).
• Developing new software applications, features, and distributed services that support a high-scale web application
• Experience working in a fast-paced environment; continuous deployment, test-driven development, agile methodologies
• Stay current with the latest back-end technologies and best practices and share your findings with the team
• Help evolve our backend stack and mentor our other developers when it comes to patterns and best practices
• Work as part of an agile team across a variety of application domains
• Write structured, tested, readable and maintainable code • Participate in code reviews to ensure code quality and distributed knowledge
• Ability to contribute to each step of the product development process (ideation, implementation, and release)
• Experience with performance tuning, profiling, and debugging applications

Backend Developer
Qualification: B.Tech./MCA, BCA in Computer Science or equivalent
Experience: 3 - 6 Years
Skills Required:
- Must Have: Java, Spring/ springboot
- Any 2 (Must) out of the below mentioned list :
- JPA/Hibernate
- Messaging queue/Kafka/SQS/distributed message/SNS/JMS
- NOSQL/ Aerospike/ Reddis /Cassendra
- Microservices
Roles and Responsibilities:
- Technical design, implementation, deployment, and support.
- Partner with Business Analysts to review and implement business
requirements.
- Perform development and unit testing, working closely with Business.
- Mentors and oversees development of resources, including reviewing designs and performing code reviews.
- Ensure designs are in compliance with specifications
- Contribute in all phases of the development lifecycle
- Developing high - volume, low - latency applications for mission - critical systems and delivering high - availability and performance
- Should have experience of working on Core Java/J2EE & OOPS concept
- Should be well versed with Spring/Struts & Apache Came l (OSGI Framework)
- Should have a good understanding of Hibernate and Other ORMs
- Should have an understanding of working on Web Service (SOAP/REST) and Maven
- Build tool such as Jenkins
- Caching Technique(Radis, Hazlecast, Aerospike)
- Database Knowledge- Oracle, MySQL
Technical Lead's Role:
- The availability, security, scalability and interoperability of our platform
- Delivering our product roadmap
- Planning for the future
- Generating enthusiasm and a sense of both technical and product pride
Essential for this position :
- At least 2 years of experience in leading a team of software developers
- At least 4 years of commercial experience with C# and .NET
- At least 2 years of commercial experience with HTML/CSS and one of Javascript frameworks
- At least 2 years of experience with Microsoft Azure
- Designing and developing APIs for both high availability and scalability
- Performance profiling and tuning of .NET code
- Writing automated tests (both unit and integration tests)
- Experience with CI/CD pipelines (ideally Azure DevOps)
- Applying problem-solving skills to technical issues
Mandatory requirement:-
1. Educational background from B.Tech/B.E./MCA
2. Comfortable to work from Noida Office.
3. Able to join in next 30 days max.
Application process is to submit the details on https://pclhealth.talentlyft.com/jobs/net-tech-lead-me8" target="_blank">https://pclhealth.talentlyft.com/jobs/net-tech-lead-me8 and our team member will get in touch with you soon











