
design/coding/testing and building large scale distributed web sites.
• Experience working with PHP framework (Zend )
• Experience working in a formal web/software development environment
• Experience with LAMP technologies and elastic serach
Good product Background

Similar jobs
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 We Expect:
• 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 You Will Do:
• 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.
As a Senior Principal Engineer, you’ll lead a team of engineers through challenging development projects. Come join a highly collaborative team of skilled engineers with a passion for quality.
What You’ll do:
- Work in an agile environment, orchestrating a group mostly comprised of skilled PHP engineers of various levels to complete User Stories authored by professional Product Managers
- Architect highly scalable/transaction heavy web/API applications
- Work with 1-2 Frontend resources (in addition to backend PHP) through projects in React, Angular (maintenance), MooTools/Jquery (deprecation), Socket.io and serverside NodeJS
- Work with Product and QA Managers in multiple grooming sessions and sprint planning for your team
- Collaborate/coordinate with other Engineering Managers and Leads
- Work with QA and Application Support teams to triage bugs
- Work with DevOps to automate deployment and monitoring of applications
- Design and develop Restful APIs using frameworks with design patterns
- Design JSON payloads and various payload contexts
- Convert complex business rules and workflows from User Story requirements into SalesForce type CRM applications and client facing web portals
- Work with monolithic legacy codebases, along with design patterns in newer repositories
- Work with large database schemas of 500+ tables
- Write complex queries. Efficiently joining upwards of 20 tables, some containing +10m rows. In T-SQL or Doctrine ORM
- Integrate 3rd party platforms via APIs and callbacks
- Write Unit tests and documentation
What You Have:
- 10+ years professional experience developing APIs & web based applications in PHP as an individual contributor
- Prior experience working with organized development teams (5+ member pods)
- Prefer hands-on experience using MS SQL Server, CosmosDB, but other relational databases/NoSQL ok (MySQL, Postgres, MongoDB)
- Professional experience using open source PHP frameworks. Symfony3+ preferred (Laravel, CodeIgniter - ok)
- Experience scaling in LAMP, but also leveraging Redis, RabbitMQ, Elastic Search (ELK), SupervisorD, Socket.io, centralized Session stores
- Prefer experience designing fault tolerant architecture on cloud deployments (loadbalancing, clustering, reducing/eliminating single points of failure, etc)
- Understand branching, merging, pull requests and conflict resolution in Git (Bitbucket or Github)
- Experienced in leveraging issue tracking systems and wikis for documentation (Jira/Confluence)
- Comfortable on CentOS Linux, command line, SSH, SFTP, SCP…
- Full stack is a plus (JavaScript, CSS, HTML, React/Angular/Vue)
- Able to onboard self and others while working entirely remotely in EST
- Experience in Azure PaaS and IaaS
- Experience crafting architecture diagrams in Visio or LucidChart
- Problem solving skills and a proactive work style
- Strong interpersonal & communication skills
PHP Developer Requirements:
1. Candidate should have experience on Core PHP, Web services,Yii Framework, Web servers, Linux working environment & MVC.
2. Excellent skills in MySQL, Optimization techniques, schema design, Stored procedures, Triggers
3. Good command over design patterns.
4. Good command over OOPS
5. Strong debugging & troubleshooting skills
6. Writing algorithms on application security.
7. Writing shell scripts & integration of third party web services
8. Knowledge on any one of server monitoring tools much appreciated.
9. Should have any one version control (git is more advantage)
10. Should be proactive.
Responsibilities:
1. Writing PHP & shell script code.
2. Analyzing requirements, maintain design patterns & making deployments on time. 3. Understanding the client requirements and implement the tasks in time.
4. Writing Stored procedures, functions and Views in Sqlserver.
Must Have:
1. Solid programming & logical skills.
2. Candidate must have experience on MySQL, Yii framework, MySQL database.
3. Hard working, positive attitude and ability to deliver under time and resource constraints.
Card91 is simplifying business payments by providing a plug and play issuance infrastructure
to businesses for domestic and cross-border payments. Our full stack platform enables
businesses to gain control and visibility into their payment flows, controlling the entire payment
lifecycle from onboarding, to issuance, to transaction and data reconciliation. The platform
aims to provide holistic solutions around payment issuance and distribution management. Our
deep focus in payments will help us in bringing new issuance formats as well as technologies
to businesses.
The company has been founded by seasoned technology entrepreneurs who have founded
successful companies like Myntra, Mastiff Technologies earlier. Headquartered in Bangalore,
with presence in Mumbai and NCR, Card91 aims to disrupt the payment infrastructure space
in the issuer-processor segment.
Position: Java Developers
We are building our core team which will be responsible for a highly scalable, always available
microservices based backend for payment processing. The developer will be involved with the
design, implementation, and execution from day one and build a robust, secure, and scalable
payment processing engine.
Roles & Responsibilities
● Individual Contributors talking full ownership of the micro services
● Design and Implement the micro services from scratch
● Be creative and always try to evaluate new strategies to execute faster
● Team player and always eager to teach new team members about the code, structure
and design
● Not afraid of bringing new designs (even languages) which will make the system
execute faster
Experience and Qualifications
● Having 2 - 5 years of experience
● Degree from a premier institute like IIT/NIT/BITS is desirable
● A strong expertise in Java/Spring/Spring Boot/Hibernate/Java
● Experience in developing highly scalable and reliable web applications, including
integration with internal and external systems.
● Experience building web services in REST with technologies like Spring Boot, Spring-
WS, spring MVC or JAX-RS
● Should be able to write test cases (unit and functional) to cover most of the code
● Experience in databases like MySQL and NoSQL db like Cassandra, etc.
● Experience with Cloud computing AWS & Microservices architecture
● Exposure to front end technologies like VueJS, ReactJS etc is an advantage
● Knowledge on Redis, ELK stack or Temporal BPM is a big plus
● Docker & Kubernetes experience is a big plus
● Previous experience of Fintech company is an added advantage
What’s on offer
● Vibrant, fun and rewarding culture that nurtures and promotes excellence
● Opportunities to learn and interact with payment industry leaders
● Competitive remuneration, group health insurance & PF
● Other office perks of being part of an early-stage Start-up
● Location: HSR Layout, Bangalore
• Bachelor’s degree in Computer Science or IT related field
• 4-6 years of experience working across different product domains in a product development/engineering role
• Good communication skills necessary to manage business requests and work with different teams across differ-
ent geographies and time-zones; experience working with remote and distributed teams will be an added ad-
vantage
• Hands-on working knowledge and experience is requiredin:
a. JavaScript, Typescript, NodeJS (Express, NestJs, etc.)
b. Experience working in GCP or AWS or Azure
c. Experience working in Containers & Unix Platforms
d. Relational Databases (PostgreSQL, MySQL, SQL, etc.)
e. Agile Methodologies (Scrum, TDD, BDD, etc.)
f. Understanding of Microservices Architecture, Domain Driver Design, Test Driven Development and
Secure Design patterns and architecture is a must
g. Data Structures and Algorithms using Javascript, Typescriptand/or other Programing Languages
h. Strong organizational skills
i. Agile Methodologies (Scrum, TDD, BDD, etc.)
• Experience with several of the following tools/technologies is desirable:
a. GIT (Bit Bucket, Gitlab, etc.), Jira, Gradle, Maven, Jenkins, SharePoint, Eclipse/IntelliJ.
b. Design Patterns and implementing the Design Patterns
c. Development of Complex Application and System Architectures
d. NoSQL Databases (Redis, Mongo, etc.)
e. Full stack development
f. Experience working with CI/CD pipelines with for example GitHub Actions.
• Knowledge of the following technologies is a plus:
a. Other Programming Languages (Java, Python, etc.)
b. Continuous Integration and Continuous Delivery Tools like Jenkins, Git, etc.
c. Secure Development based on OWASP standards
- Experience in JQuery is mandatory.
- Experience in PHP ORM framework is mandatory (Doctrine ORM or any other ORM- s).
- Experience in HTML, CSS.
- Strong in Object-Oriented Concepts.
- Experience in MYSQL.
- Good to have knowledge Of React.
- Need to be professional in Laravel MVC framework.
- Having knowledge in PHP, CSS3, HTML5, JavaScript, JSON/REST, JQuery, AJAX, Bootstrap4 is preferable.
FinCRM is a cloud-based Customer Relationship Management Solution with enhanced Office Management capabilities. It helps companies and individuals manage their sales, marketing, and support efforts all from a single place. It is equipped to help businesses of all sizes build excellent customer relationships.
Technical Experience:
- 2+ years' experience in creating applications using a framework such as CodeIgniter, Zend, Laravel, Bootstrap.
- Proficient in PHP, MySQL/SQL, CSS, HTML, Apache server, Java script, AJAX, jQuery, JSON, XML, APIs, Version Control/Git.
- Linux server Handling - Min 3 years experience
- LAMP, PHP & MySQL, OOP's, CodeIgniter - 3 to 4 years experience
- Experience with Version Controlling Tools - SVN, Mantis & Git
Skills:
- Able to create Solution Architecture and design based on requirements.
- Should possess excellent problem-solving skills and be a team player.
- Can identify technology trends and advances that may support the success of the project.
- Should have the ability to learn new tasks outside the immediate range of skills.
Responsibilities:
- Brainstorm with the team to come up with ideas regarding the development requirements.
- Determine the feasibility of ideas and identify the best way and tech stack to move ahead.
- Build products and api's as per the requirements with optimized code.
- Develop products considering scalable architecture and security.
- Testing and maintenance of different server environments.
- Handle code deployment on testing and production environments.
- Maintain code versioning and administer the database properly.
- PHP Web Development experience - Core PHP and PHP frameworks.
- Strong knowledge of PHP web frameworks {such as Laravel, Yii, etc depending on your technology stack}
- Should have positive and adaptive behavior. Strong knowledge of the common PHP or web server exploits and their solutions
- Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
- Understanding client requirements & functional specifications
- Developing and maintaining dynamic websites and web applications
- Ensuring foolproof performance of the deliverable
- Must be proficient in PHP, MySQL, CSS, HTML, JavaScript, AJAX, XML
- Experience with Joomla, WordPress, Drupal, Magento would be added advantage.
- Must have the capacity to work independently and as a part of a team
- Eager to learn new web technologies









