Python Developer at Card91 · Bengaluru (Bangalore) · 2 - 5 years · ₹15L - ₹30L / yr (ESOP available) · Raised funding · Posted 23 Aug 2021

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: Python Developer
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 Python framework (like Django, Flask or Pyramid)
● Experience in creating APIs with design standards, patterns and best-practices
● Knowledge of object-relational mapping (ORM)
● GoLang experience is a big plus
● Experience building web services in REST
● knowledge and hands-on experience in API security standards and implementation
(Oauth, OpenId)
● Experience in developing highly scalable and reliable web applications, including
integration with internal and external systems.
● 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
● 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 startup
Location: HSR Layout, Bangalore

About Card91
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Experience and Required Skill Sets:
1 Solid experience in software design and development using Microsoft ASP.NET framework, C#, Visual Studio, and in writing clean, readable, and easily maintainable code
2 5+ years of experience in WCF, WPF, VB.NET, SQL Server, JQuery, Angular 10 and above.
3 5+ years of experience in developing highly scalable REST/Web APIs
4 5+ years of experience in developing highly efficient SQL/NoSQL Queries
5 5+ years of experience in Relational and Document databases
6 Strong understanding of object-oriented programming and possess strong fundamental design principles for building a scalable application.
7 Experience in using the MVC framework, working knowledge in APIs, and Service Oriented Architecture
8 Strong understanding of object-oriented programming and possess strong fundamental design principles for building a scalable application.
9 Experience in Angular version 10 and above is required
10 Expert in SQL programming & Database Design (Stored procedure, Function, Trigger, Constraints, Replication)
11 Strong ability in HTML and JavaScript (AJAX, DOM)
12 Development experience with data integration technologies including REST, SOAP, JSON, XML
13 Expertise in programming and usage of any unit testing framework. Expertise in integration testing and continuous integration.
14 Experience working in a DevOps environment will be an added advantage.
Responsibilities:
• Ability to create complex, enterprise-transforming applications that meet and exceed client expectations.
• Responsible for the bottom line. Strong project management abilities. Ability to encourage the team to stick to timelines.
• Follow best-in-class coding practices and review the solutions vis-à-vis the requirements and technical specifications.
• Should demonstrate strong client interfacing capabilities like emails and calls with clients in the US/UK
Job Description:
About the Role
Euphoric Thought Technologies is looking for a skilled Python Developer with Azure experience to join our growing engineering team. The ideal candidate should have strong hands-on experience in Python development, cloud-native application development on Microsoft Azure, REST APIs, and modern software engineering practices. You will work closely with cross-functional teams to design, develop, deploy, and maintain scalable applications for enterprise clients.
Key Responsibilities
- Design, develop, test, and maintain Python-based applications and microservices.
- Build and integrate RESTful APIs and backend services.
- Develop and deploy applications using Microsoft Azure cloud services.
- Implement scalable, secure, and high-performance cloud solutions.
- Work with Azure App Services, Azure Functions, Azure Storage, Azure SQL, and Azure Key Vault.
- Collaborate with frontend developers, DevOps engineers, QA teams, and business stakeholders.
- Write clean, reusable, and well-documented code following coding standards.
- Optimize application performance and troubleshoot production issues.
- Participate in code reviews and contribute to technical discussions.
- Support CI/CD implementation and deployment automation.
Required Skills
- 3–5 years of hands-on experience in Python development.
- Strong knowledge of Python frameworks such as FastAPI, Flask, or Django.
- Experience with Microsoft Azure cloud services.
- Good understanding of REST APIs and microservices architecture.
- Experience with Azure App Services, Azure Functions, Azure Storage, Azure SQL Database, and Azure Key Vault.
- Good knowledge of SQL databases such as SQL Server or PostgreSQL.
- Familiarity with Git version control.
- Experience with Docker and containerization.
- Understanding of CI/CD pipelines using Azure DevOps or GitHub Actions.
- Knowledge of software design principles and object-oriented programming.
- Strong debugging, analytical, and problem-solving skills.
Preferred Skills
- Experience with Kubernetes (AKS).
- Exposure to messaging services such as Azure Service Bus or Event Hub.
- Knowledge of Redis or caching mechanisms.
- Experience with monitoring tools such as Azure Monitor or Application Insights.
- Understanding of Agile/Scrum development methodologies.
Educational Qualification
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.

Experience and Expertise
● 7– 10 years of experience in backend development with Python or Golang.
● Solid understanding of RESTful APIs, microservices, and distributed systems.
● Strong knowledge of data structures, algorithms, and OOPS principles.
● Hands-on experience with relational and/or NoSQL databases.
● Familiarity with Linux development, Docker, and basic cloud concepts
(AWS/GCP/Azure).
● Proficiency with Git and version control workflows.
● Familiarity with AI-powered development tools or exposure to projects involving large
language models (LLMs) is a plus.
Skills
● Strong analytical and debugging skills with the ability to solve complex problems.
● Good communication and collaboration skills across teams.
● Ability to work independently with minimal supervision while being a strong team
player.
● Growth mindset – eagerness to learn new technologies
Senior Software Engineer – Backend
Company: House of EdTech (Goenka Kachave LLP)
Location: Bangalore, Hybrid
Job Type: Full-Time
Experience: 5+ Years
About the Role
House of EdTech is looking for a Senior Software Engineer – Backend to design, develop, and scale high-performance backend services and APIs supporting products used by millions of learners.
You’ll work closely with Product, Frontend, Data, and Engineering teams while taking end-to-end ownership of backend features and contributing to system architecture and technical decisions.
What You'll Do
- Design and develop scalable backend services and REST APIs.
- Build reliable systems capable of handling high traffic and large data volumes.
- Own backend features from design and development through deployment and monitoring.
- Work with microservices, databases, and distributed systems.
- Identify and solve performance, scalability, reliability, and security challenges.
- Participate in system design and architecture discussions.
- Conduct code reviews and contribute to engineering best practices.
- Mentor junior and mid-level engineers.
- Monitor production systems and troubleshoot incidents.
What We're Looking For
- 5+ years of professional backend development experience.
- Strong hands-on experience with Java, Python, Scala, C++, or a similar language.
- Experience building and operating large-scale distributed systems.
- Strong understanding of REST APIs, microservices, and databases.
- Experience with cloud/infrastructure technologies such as GCP, Docker, or Kubernetes.
- Strong software engineering fundamentals, including security, reliability, testing, and code quality.
- Experience with system design, architecture, and technical decision-making.
- Strong communication and cross-functional collaboration skills.
- Experience mentoring engineers is a plus.
Why Join House of EdTech?
- Work on products impacting millions of learners.
- Solve challenging backend and scalability problems.
- Take significant ownership of architecture and engineering decisions.
- Opportunity to grow into technical leadership and architectural ownership.
- Work in a fast-growing technology environment.
Primary Skills:
Python / Golang, RESTful APIs, Docker, Kubernetes, Linux
Core Responsibilities:
- Design & Development: Architect and implement scalable backend services and APIs using Python or Golang, ensuring high performance, resilience, and extensibility.
- System Ownership: Take end-to-end ownership of critical modules, from design and development to deployment and support.
- Technical Leadership: Conduct design and code reviews, enforce best practices, and mentor junior engineers to raise the team’s technical bar.
- Collaboration: Work closely with product managers, architects, and other engineers to translate business requirements into technical solutions.
- Performance & Reliability: Troubleshoot complex issues in production systems, identify root causes, and design sustainable long-term solutions.
- Innovation: Evaluate new technologies, contribute to proof-of-concepts, and recommend tools that can improve developer productivity.
- Process Improvement: Drive initiatives to improve coding standards, CI/CD pipelines, and automated testing practices.
- Knowledge Sharing: Document designs, create technical guides, and share insights with the broader engineering team.
Experience and Expertise:
- 4–7 years of backend development experience with Python or Golang.
- Strong expertise in designing, developing, and scaling microservices and distributed systems.
- Solid understanding of concurrency, multi-threading, and performance optimization.
- Proficiency with databases (SQL/NoSQL), caching systems (Redis, Memcached), and messaging systems (Kafka, RabbitMQ, etc.).
- Hands-on experience with Linux development, Docker, and Kubernetes.
- Familiarity with cloud platforms (AWS/GCP/Azure) and related services.
- Strong debugging, profiling, and optimization skills for production-grade systems.
- Experience with AI-powered development tools is a strong plus; familiarity with concepts like 'agentic coding' for workflow automation or 'context engineering' for leveraging LLMs in system design is highly desirable.
Skills:
- Strong problem-solving ability, with experience handling complex technical challenges.
- Ability to lead technical initiatives and mentor junior engineers.
- Excellent communication skills to collaborate with cross-functional teams and articulate trade-offs.
- Self-motivated, proactive, and able to operate independently while aligning with team goals.
- Passionate about engineering culture, quality, and developer productivity.
Python Software Engineer (3–5 Years Experience)
Location: [Pune]
Role Overview
We are seeking skilled Python engineers to join our core product team. You will work on backend services, API development, and system integrations, contributing to a codebase of over 250,000 Python lines and collaborating with frontend, DevOps, and native code teams.
Key Responsibilities
· Design, develop, and maintain scalable Python backend services and APIs
· Optimize performance and reliability of large, distributed systems
· Collaborate with frontend (JS/HTML/CSS) and native (C/C++/C#) teams
· Write unit/integration tests and participate in code reviews
· Troubleshoot production issues and implement robust solutions
Required Skills
· 3–5 years of professional Python development experience
· Strong understanding of OOP, design patterns, and modular code structure
· Experience with MongoDB (PyMongo), Mako, RESTful APIs, and asynchronous programming
· Familiarity with code quality tools (flake8, pylint) and test frameworks (pytest, unittest)
· Experience with Git and collaborative development workflows
· Ability to read and refactor large, multi-module codebases
Nice to Have
· Experience with web frameworks (web.py, Flask, Django)
· Knowledge of C/C++ or C# for cross-platform integrations
· Familiarity with CI/CD, Docker, and cloud deployment
· Exposure to security, encryption, or enterprise SaaS products
What We Offer
· Opportunity to work on a mission-critical, enterprise-scale product
· Collaborative, growth-oriented engineering culture
· Flexible work arrangements (remote/hybrid)
· Competitive compensation and benefits
Location: Bangalore
Department: Engineering
Reports to: SVP
Experience required: 6+ years
About Tracxn:
Tracxn (Tracxn.com) is a Bangalore-based product company providing a research and deal sourcing platform for Venture Capital, Private Equity, Corp Dev, and professionals working around the startup ecosystem.
We are a team of 600+ working professionals serving customers across the globe. Our clients include Funds like Andreessen Horowitz, Matrix Partners, GGV Capital, and Large Corporations such as Citi, Embraer & Ferrero.
Founders
- Neha Singh (ex-Sequoia, BCG | MBA - Stanford GSB)
- Abhishek Goyal (ex-Accel Partners, Amazon | BTech - IIT Kanpur)
About Technology Team:
Tracxn's Technology team is 60+ members strong and growing. The technology team is subdivided into multiple smaller teams, each owning one or more services/components of the technology platform. Ours is a young team of motivated engineers with a minimal management structure where almost everyone is actively involved in technical development and design activities. We have a team-centric culture where the ownership and responsibility of a feature or module lie with a team compared to an individual.
We value ownership, continuous learning, consistency, and discipline as a team.
Our Tech Stacks:
We work on an array of technologies, including but not limited to backend and frontend systems such as Java, Python, Spring Boot, Node.js, ReactJS, Next.js, Webpack, and Storybook; cloud and serverless platforms like AWS, etc; data and infrastructure technologies such as Elastic Stack (Elasticsearch), MongoDB, MySQL, Redis, Kafka, and Ansible; large-scale web crawling solutions; modern data pipelines and ETL workflows; and AI/ML-driven projects.
Job Overview:
We are looking for experienced software engineers with 6+ years of overall software development experience, including backend development and proven people-management skills. The ideal candidate will lead the engineering team(s), drive technical excellence, and ensure timely delivery of high-quality software solutions.
Job Responsibilities:
- Lead, mentor, and manage a team of software engineers
- Own technical planning, architecture discussions, and execution
- Collaborate with product managers and stakeholders
- Drive best practices in software development, testing, and deployment
- Conduct code reviews and ensure high engineering standards
- Manage delivery timelines, resource planning, and technical risks
- Support hiring, onboarding, and performance management of engineers
Job Requirements :
Professional Experience
- Proven experience leading or managing software engineering teams
- Track record of delivering complex, scalable software systems
- Experience driving technical initiatives and influencing architectural decisions
- Strong collaboration experience with product, design, and cross-functional teams.
Technical Leadership & Management
- Ability to mentor, coach, and grow engineers across different experience levels
- Experience conducting performance reviews and providing technical feedback
- Strong ownership of team delivery, timelines, and quality
- Experience balancing hands-on technical work with people management
Backend & System Architecture Expertise
- Strong proficiency in modern backend architectures, design patterns, and microservices architecture.
- Proficiency in at least one server-side programming language (e.g., Java, Python, etc.)
- Solid understanding of API design principles and implementation
- Hands-on experience with relational and non-relational databases and knowledge of data pipelines and data warehousing concepts.
Technical Competencies
- Strong system design and problem-solving skills
- Knowledge of caching strategies, performance optimization, and scalability
- Understanding of data modeling and query optimization
- Familiarity with search and indexing technologies
- Understanding of security best practices in backend systems
Culture:
- Work with performance-oriented teams driven by ownership and passion.
- Learn to design systems for high accuracy, efficiency, and scalability.
- No strict deadlines, focus on delivering quality work.
- Meritocracy-driven, candid culture. No politics.
- Very high visibility regarding which startups and markets are exciting globally.
● 4–7 years of backend development experience with Python or Golang.
● Strong expertise in designing, developing, and scaling microservices and distributed
systems.
● Solid understanding of concurrency, multi-threading, and performance optimization.
● Proficiency with databases (SQL/NoSQL), caching systems (Redis, Memcached),
and messaging systems (Kafka, RabbitMQ, etc.).
● Hands-on experience with Linux development, Docker, and Kubernetes.
● Familiarity with cloud platforms (AWS/GCP/Azure) and related services.
● Strong debugging, profiling, and optimization skills for production-grade systems.
● Experience with AI-powered development tools is a strong plus; familiarity with
concepts like 'agentic coding' for workflow automation or 'context engineering' for
leveraging LLMs in system design is highly desirable.
● Ability to lead technical initiatives and mentor junior engineers.
About StrideOne:
StrideOne is a unified tech-enabled financial platform and NBFC focused on enabling MSMEs and SMEs through structured credit solutions, receivables financing, and receivables management. We are designed to simplify access to capital, improve cash flow visibility, and support risk-aware financial decision-making for growing businesses across industries. With a steadily growing disbursement footprint, an expanding anchor network, and established partnerships with multiple lending institutions, StrideOne is entering its next phase of growth. The organisation is building a financial ecosystem that combines lending, receivables management, and data-driven workflows, positioning itself to scale sustainably while maintaining strong governance, portfolio quality, and operational discipline.
Key Responsibilities:
Architect & Design: Design and implement highly scalable, available, and secure web applications. You’ll be responsible for designing multi-tenant architectures, ensuring data isolation, and leveraging modern cloud infrastructure to ensure the platform scales efficiently.
Security Focused Development: Develop and enforce secure coding standards and best practices for cloud-based applications and APIs. Conduct regular code reviews with a focus on security vulnerabilities.
API & Microservices Design: Design and implement secure, scalable, and maintainable APIs and microservices that integrate seamlessly with the platform. Ensure the use of best practices for service discovery, communication, and fault tolerance.
Performance Optimization: Identify and resolve performance bottlenecks in the application and infrastructure, ensuring scalability and responsiveness under varying load conditions.
Compliance & Regulatory Requirements: Ensure that applications comply with industry standards and regulations (e.g., GDPR, HIPAA, SOC 2, ISO 27001). Assist with audits and security certifications.
Collaboration & Leadership: Work closely with product managers, QA engineers, and other stakeholders to define and implement new features and improvements. Collaborate with the infrastructure team to ensure seamless deployment and scaling of the application. Also mentor and guide junior engineers on secure coding practices and development techniques.
Security Automation & Monitoring: Implement logging, monitoring, and alerting systems to continuously assess the security posture of the application. Stay up to date with the latest security trends, vulnerabilities, and best practices. Promote security awareness and training within the engineering team.
Qualifications:
Experience: 2+ years of experience in software engineering, with a focus on developing secure and scalable multi-tenant web applications with customer data isolation and tenant-specific configurations.
Tech Stack: Proficiency in modern web technologies (Python is a plus), relational databases, and cloud platforms (AWS, Azure, GCP).
Microservices Architecture: Strong experience designing and developing microservices-based architectures. Familiarity with service discovery, API Gateway, inter-service communication, and distributed systems principles.
Scalability & Performance: Experience with designing highly scalable and performant systems. Knowledge of caching, database sharding, partitioning, and high-throughput systems.
Security Expertise: Understanding of cloud security principles, cryptography, identity and access management (IAM), and secure coding practices.
Analytical Skills: Strong problem-solving skills with the ability to analyze complex security issues and provide practical solutions.
Soft Skills: Strong communication skills with the ability to explain complex technical concepts to non-technical stakeholders. Experience working in agile, collaborative environments.
● 2–4 years of experience in backend development with Python or Golang.
● Solid understanding of RESTful APIs, microservices, and distributed systems.
● Strong knowledge of data structures, algorithms, and OOPS principles.
● Hands-on experience with relational and/or NoSQL databases.
● Familiarity with Linux development, Docker, and basic cloud concepts
(AWS/GCP/Azure).
● Proficiency with Git and version control workflows.
● Familiarity with AI-powered development tools or exposure to projects involving large
language models (LLMs) is a plus.











