Backend Engineer (Trading Systems)

Senior Python Django Developer 

Experience: Back-end development: 6 years (Required)

Location:  Bangalore/ Bhopal

Job Description:

We are looking for a highly skilled Senior Python Django Developer with extensive experience in building and scaling financial or payments-based applications. The ideal candidate has a deep understanding of system design, architecture patterns, and testing best practices, along with a strong grasp of the startup environment.

This role requires a balance of hands-on coding, architectural design, and collaboration across teams to deliver robust and scalable financial products.

Responsibilities:

• Design and develop scalable, secure, and high-performance applications using Python (Django framework).
• Architect system components, define database schemas, and optimize backend services for speed and efficiency.
• Lead and implement design patterns and software architecture best practices.
• Ensure code quality through comprehensive unit testing, integration testing, and participation in code reviews.
• Collaborate closely with Product, DevOps, QA, and Frontend teams to build seamless end-to-end solutions.
• Drive performance improvements, monitor system health, and troubleshoot production issues.
• Apply domain knowledge in payments and finance, including transaction processing, reconciliation, settlements, wallets, UPI, etc.
• Contribute to technical decision-making and mentor junior developers.

Requirements:

• 6 to 10 years of professional backend development experience with Python and Django.
• Strong background in payments/financial systems or FinTech applications.
• Proven experience in designing software architecture in a microservices or modular monolith environment.
• Experience working in fast-paced startup environments with agile practices.
• Proficiency in RESTful APIs, SQL (PostgreSQL/MySQL), NoSQL (MongoDB/Redis).
• Solid understanding of Docker, CI/CD pipelines, and cloud platforms (AWS/GCP/Azure).
• Hands-on experience with test-driven development (TDD) and frameworks like pytest, unittest, or factory_boy.
• Familiarity with security best practices in financial applications (PCI compliance, data encryption, etc.).

Preferred Skills:

• Exposure to event-driven architecture (Celery, Kafka, RabbitMQ).
• Experience integrating with third-party payment gateways, banking APIs, or financial instruments.
• Understanding of DevOps and monitoring tools (Prometheus, ELK, Grafana).
• Contributions to open-source or personal finance-related projects.

Job Types: Full-time, Permanent

Schedule:

• Day shift

Supplemental Pay:

• Performance bonus
• Yearly bonus

Ability to commute/relocate:

• JP Nagar, 5th Phase, Bangalore, Karnataka or Indrapuri, Bhopal, Madhya Pradesh: Reliably commute or willing to relocate with an employer-provided relocation package (Preferred)

Experience: 5+ years of hands-on experience with Java and Spring Boot framework.

Qualification: Bachelor’s or master’s degree in computer science, Engineering, or a related field.

Location: Should be based out of Surat or Mumbai, or ready to relocate.

Position Overview

Trezix Software Private Limited, a growing SaaS company based in Surat and Mumbai, is seeking a highly experienced and results-driven Senior Java Developer to join our dynamic product

development team. In this role, you will be responsible for designing, developing, and maintaining scalable backend microservices that power our cloud-based SaaS and CRM products. You will work closely with cross-functional teams including frontend developers, product managers, and DevOps engineers to build secure and high-performing applications.

What You’ll Be Doing

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Designing and developing scalable microservices and RESTful APIs using Spring Boot and Java.

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Collaborating with product managers and frontend developers to implement robust solutions.

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Writing clean, reusable, and well-documented code that adheres to company standards.

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Optimizing backend systems for performance, security, and reliability.

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Troubleshooting and debugging production issues and providing quick resolutions.

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Participating in code reviews and mentoring junior developers.

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Integrating external services and APIs with internal systems.

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Contributing to DevOps practices, CI/CD pipelines, and containerized deployments.

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Involving in the complete software development lifecycle from design to deployment.

What You Bring to the Table

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Strong knowledge of Spring Boot and Java (5+ years of experience required).

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Experience in building microservices and RESTful APIs.

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Familiarity with cloud-native development practices and SaaS architectures.

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Solid understanding of relational and NoSQL databases (MySQL, PostgreSQL, MongoDB).

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Experience with Git, Maven/Gradle, and CI/CD pipelines.

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Working knowledge of containerization using Docker and orchestration with Kubernetes.

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Strong problem-solving skills and attention to detail.

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Effective verbal and written communication skills.

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Ability to work collaboratively in a cross-functional team environment.

Skills Required

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Spring Boot & Spring Framework

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Java Programming

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Microservices Architecture

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REST API Development

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MySQL / PostgreSQL / MongoDB

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Git, Maven/Gradle

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Docker & Kubernetes

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CI/CD Pipeline Tools (e.g., Jenkins, GitLab CI)

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Communication & Team Collaboration

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Time and Task Management

Why Join Us

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Work on cutting-edge SaaS and CRM products that solve real-world problems.

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Be part of a supportive, fast-growing tech team with growth opportunities.

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Get exposure to modern technologies and cross-functional product development.

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Enjoy a culture of ownership, transparency, and innovation.

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Competitive compensation and a flexible working environment.

Work With Us

Get To Know Us First!

Freecharge a subsidiary of Axis Bank Limited founded in 2010, is a Fin-Tech organisation revolutionizing Financial Products through technology.

At our core, we’re a creative company. Ideas and pixels is where we live and we love building magical products that make our users feel ‘wow’. At Freecharge, you'll have the chance to do the best work of your life. We’re on a journey to build something new, something different and something innovative & that requires passion to build such incredible products.

Come join us and shape the future of Fin-Tech.

Do You Make The Cut?

We are looking for a motivated developer to join our agile team of developers as a Lead to mentor and as an individual contributor to drive best practices in the product.

You will be responsible for the design, architecture, and delivery of a feature/product with the highest quality. Providing the product with visible benefit to end-users in an iterative fast-paced environment by creating solutions suitable for the job in real-time.

Title: Lead SDE (Backend)

Location: Gurugram

Experience: 3-7 Yrs.

Education: Bachelor’s / Master’s in Software Engineering

Responsibilities

• In this lead role, you will be designing and developing complex software systems that have been successfully delivered to customers.
• Ensure the quality of design of systems by serving as a technical lead on our most demanding, cross-functional teams
• Build reusable code and libraries for future use.
• Build highly available, high performance, scalable software and you will work on distributed systems for massive-scale systems
• Responsible for code quality of the product being developed along with unit and integration testing.
• Mentor junior developers to improve their skills, and make them more effective, product software engineers.
• Communicate with technical teams, and senior management to collect requirements, describe software product features, technical designs, and product strategy.

Sounds Like You?

• 4+ years of software development experience with Enterprise Java (JDK 8 and above), Spring (Boot, MVC, AOP, DI), ORM Frameworks.
• 1+ years of experience contributing to the architecture and design (LLD, HLD, Solid principles and design patterns and scaling) of new and current systems.
• Strong experience in technically leading junior developers with a focus on the goal.
• Strong experience in data structures & algorithms and their space & time complexities.
• Solid understanding of multithreading, microservices, MVC and strong OO skills with demonstrated experience in developing complex and reusable APIs.
• Strong experience working with Databases like SQL & NoSQL.
• Experience working with microservices-based architecture.
• Experience in high traffic, highly scalable distributed system designs, complex web applications, and code reviews.
• Experience working in an Agile environment.
• Solid understanding of the full software development life cycle and the domain.
• Good to have knowledge of messaging systems like SNS/ SQS /Kafka etc.

Life at Freecharge!

Our Playground!

• 450+ FCian’s, at Gurugram & Bengaluru locations
• Collaboration spaces & A flat and transparent culture
• Wow Corners, fun & reading Zone
• Best learning and development opportunities

Benefits

• Day-care facility
• Comprehensive Insurance Policy
• Wellness Benefits like Health check-ins
• 26 Weeks Maternity & 2 Weeks Paternity Leaves
• Adoption Assistance Program
• On-Site Parking at all locations
• A chance to have a big impact early in your career

ARE YOU READY?

TO

#ChargeYourFuture

• To take lead and manage the backend team.
• Taking ownership and developing new micro services/systems to improve the products.
• Managing and adding on to our linux based content management system as well as our web servers.

• 4+ years of hands-on experience working with serverless architecture.
• Hands-on experience with products at a scale of > 50K DAUs.
• Should be able to architect and implement complex services/systems in a simple and scalable manner.
• Self starter with the ability to lead a team.
• Should be an expert in: Python. AWS Lambda, RDS and EC2 SQL databases, specifically postgresql. NOSQL Database, specifically dynamoDB.
• Should be able to write automated test cases for developed code.
• Should be proficient in the linux environment.
• Having the following skills will an added bonus: Experience developing with Neo4j databases. Firebase services. * Experience working with Docker and ECS.

• Your word counts You’ll get to play a key role in shaping up the product roadmap and will be involved in every stage
• Learning never stops With  advancing into the growth stage, there is immense potential and relevance to apply new developments you learn in your domain
• Sponsored training Do you want to learn something that helps improve your productivity or knowledge? We’ll sponsor that
• Remote friendly Even before Covid, half of us worked from home. Heck, you want to work from a village? Go for it.

• Healthy company culture We nurture a conducive environment for your personal and professional growth, and take extreme care to make sure you are happy at work
• Everyone gets to lead You own your idea, and you lead it’s execution
• Smart work is what matters with us We don’t count hours. We value getting the work done
• Teammates who will sing and jam with you

Backend Developer (Python)

Company and Founders
Egregore Labs (http://www.egregorelabs.com/">www.egregorelabs.com) is a financial software company founded in 2017 by Prashant Vijay (ISB, Tulane) & Hari Balaji (IIM Ahmedabad, IIT Madras) both of whom have spent over a decade each in Financial Services, with a majority of their experience at Goldman Sachs across New York, Hong Kong & Singapore in roles across Trading, Quant & Technology. More about the founders is available here and here

We operate at the intersection of Unstructured Data and Finance. We run multiple products, including Romulus (http://www.romulus.co/">www.romulus.co) and Robana (http://www.robana.ai/">www.robana.ai) - all our products work on the same underlying principles and set of technologies.

Ideal Background

• At least 2 years experience in back-end development in a fast-paced environment, working in Python
• Deep understanding of technologies used in web-deployed SaaS products, including Rest APIs
• Exposure to AWS, Azure or other cloud providers
• Sound understanding of computer science principles
• Exposure to any of the following
• Financial services
• Natural Language Processing
• Robotic Process Automation
• Intelligent Document Processing
• Document Management and Repositories

Opportunity
We will share our workload as a team and we expect you to work on a broad range of tasks. Here’s are some of the things you might have to do on any given day:

• Developing APIs and endpoints for deployments of our product
• Infrastructure Development such as building databases, creating and maintaining automated jobs
• Build out the back-end to deploy and scale our product
• Build POCs for client deployments
• Integrate our products with 3rd party products/tools/services
• Document your code, write test cases, etc.

Skills

• Hands-on experience with Python (2+ years)
• Sound understanding of Postgres and NoSQL databases such as MongoDB
• Deep familiarity with UNIX, major cloud platforms (AWS, Azure), DevOps
• Understanding of databases, and related tools, paradigms
• A computer science education would be great, but other engineering disciplines are ok as well

Desirables
We are looking for a person who has :

• Resourcefulness- - we're looking for versatile developers who are good at figuring out what they need to use, learn, build, re-purpose to get the job done quickly and efficiently.
• Ownership- - We like to be directive and not prescriptive in our management. We- d love for you to take ownership of what you work on, and tell us what to do, rather than the other way round.
• Work Ethic- - We- ve grown up on Wall Street. We work hard, and have aggressive goals. We want our team-mates to be focused, goal-oriented and consistent high achievers.
• Execution Focus- - Our business is about getting things done, and getting things done right. We want outcome focused colleagues who can multi-task, and execute quickly and elegantly.

Work From Home

Package: 7-12 LPA

Responsibilities

Write effective, scalable code

Develop back-end components to improve responsiveness and overall performance

Integrate user-facing elements into applications

Test and debug programs

Improve functionality of existing systems

Implement security and data protection solutions

Assess and prioritize feature requests

Coordinate with internal teams to understand user requirements and provide technical solutions

Requirements

Work experience as a Python Developer

Expertise in at least one popular Python framework (experience in Flask preferred)

Knowledge of object-relational mapping (ORM)

Familiarity with front-end technologies (like JavaScript and HTML5)

Team spirit

Good problem-solving skills

BSc in Computer Science, Engineering or relevant field