Backend Developer

We are looking to expand our existing Python team across our offices in Surat.

The requirements are as follows:

1) Familiar with the the Django REST API Framework.

2) Experience with the FAST API framework will be a plus

3) Strong grasp of basic python programming concepts ( We do ask a lot of questions on this on our interviews :) )

4) Experience with databases like MongoDB , Postgres , Elasticsearch , REDIS will be a plus

5) Experience with any ML library will be a plus.

6) Familiarity with using git , writing unit test cases for all code written and CI/CD concepts will be a plus as well.

7) Familiar with basic code patterns like MVC.

8) Grasp on basic data structures.

About the Role

At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.

Our flagship platform is currently under development. As a Backend Engineer, you will play a foundational role in designing and building the core trading engine and research infrastructure from the ground up. Your work will focus on developing performance-critical components that power backtesting, real-time strategy execution, and seamless integration with brokers and data providers. You’ll be responsible for bridging core engine logic with Python-based strategy interfaces, supporting a modular system architecture for isolated and scalable strategy execution, and building robust abstractions for data handling and API interactions. This role is central to delivering the reliability, flexibility, and performance that our users will rely on in fast-moving financial markets.

We are a remote-first team and are open to hiring exceptional candidates globally.

Core Tasks

·      Build and maintain the trading engine core for execution, backtesting, and event logging.

·      Develop isolated strategy execution runners to support multi-user, multi-strategy environments.

·      Implement abstraction layers for brokers and market data feeds to offer a unified API experience.

·      Bridge the core engine language with Python strategies using gRPC, ZeroMQ, or similar interop technologies.

·      Implement logic to parse and execute JSON-based strategy DSL from the strategy builder.

·      Design compute-optimized components for multi-asset workflows and scalable backtesting.

·      Capture real-time state, performance metrics, and slippage for both live and simulated runs.

·      Collaborate with infrastructure engineers to support high-availability deployments.

Top Technical Competencies

·      Proficiency in distributed systems, concurrency, and system design.

·      Strong backend/server-side development skills using C++, Rust, C#, Erlang, or Python.

·      Deep understanding of data structures and algorithms with a focus on low-latency performance.

·      Experience with event-driven and messaging-based architectures (e.g., ZeroMQ, Redis Streams).

·      Familiarity with Linux-based environments and system-level performance tuning.

Bonus Competencies

·      Understanding of financial markets, asset classes, and algorithmic trading strategies.

·      3–5 years of prior Backend experience.

·      Hands-on experience with backtesting frameworks or financial market simulators.

·      Experience with sandboxed execution environments or paper trading platforms.

·      Advanced knowledge of multithreading, memory optimization, or compiler construction.

·      Educational background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.

What We Offer

·      Opportunity to shape the backend architecture of a next-gen fintech startup.

·      A collaborative, technically driven culture.

·      Competitive compensation with performance-based bonuses.

·      Flexible working hours and a remote-friendly environment for candidates across the globe.

·      Exposure to financial modeling, trading infrastructure, and real-time applications.

·      Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.

Ideal Candidate

You’re a backend-first thinker who’s obsessed with reliability, latency, and architectural flexibility. You enjoy building scalable systems that transform complex strategy logic into high-performance, real-time trading actions. You think in microseconds, architect for fault tolerance, and build APIs designed for developer extensibility.

3 years Minimum Experience Required (Vacancies 5)

Location:- Chandigarh IT Park (WFO)

Shift Timings:- UK Shift

Responsibilities:

• Develop, test, and maintain robust and scalable Python applications.
• Work collaboratively with cross-functional teams to design and implement new features.
• Ensure the performance, quality, and responsiveness of applications.
• Implement server-side logic, database integration, and system architecture.
• Choose and work with one of the following frameworks: Flask, Django, or Fast API.
• Utilize databases such as SQL, Post SQL, or MongoDB to support application development.
• Demonstrate proficiency in Linux or Ubuntu server environments.
• Knowledge of containerization tools, particularly Docker, for deployment and scalability.
• Implement and optimize caching strategies using Redis or Celery (a plus).
• Participate in the planning and implementation of Continuous Integration/Continuous Deployment (CI/CD) processes.
• Stay updated on industry trends and emerging technologies.

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Proven experience as a Python Developer with 3-5 years of hands-on development.
• In-depth knowledge of at least one of the following frameworks: Flask, Django, or Fast API.
• Strong expertise in databases such as SQL, Post SQL, or MongoDB.
• Familiarity with Linux or Ubuntu server environments.
• Proficiency in containerization tools, particularly Docker.
• Experience with Redis cache or Celery is a strong plus.
• Understanding of CI/CD processes and tools.
• Strong problem-solving and analytical skills.
• Excellent communication and collaboration abilities.
• Ability to thrive in a fast-paced and dynamic work environment.

About Company

Our client delivers personalized luxury interior design to India’s discerning homeowners and corporates. Led by highly admired luxury brand builders, internationally trained designers, world-class technology professionals, and curated teams of turnkey project execution specialists. We seek perfection in design and are committed to bringing back trust and excitement in the design process.We are a lean team of high-performing go-getters, we take ownership in our roles and lead with knowledge. Debates and discussions are an important part of our culture and we encourage people to bring unique perspectives to their conversations. Most importantly, we love solving problems. Each day is inspiring and we encourage you to apply for this role and experience it for yourself. 

Requirements

• Write code and tests, build prototypes, solve issues, profile, and analyze bottlenecks

• Design performance gauging, building robust APIs to support mobile and desktop clients

• Manage and optimize scalable distributed systems on the cloud

• Optimization of web applications for performance and scalability

• Develop automated tests to ensure business needs are met and allow for regression testing

• Participate in the entire application lifecycle, focusing on coding and debugging

• Write clean code to develop functional web applications

• Troubleshoot and debug applications

• Perform UI tests to optimize performance

• Manage cutting-edge technologies to improve legacy applications

• Collaborate with Front-end developers to integrate user-facing elements with server-side logic.

• Gather and address technical and design requirements

• Provide training and support to internal teams

• Build reusable code and libraries for future use

What skills we are looking for?

•Good communication skill to communicate with stakeholders, project managers, quality assurance teams, Regularly and other developers  regarding progress on the long-term technology roadmap

•Curious and progressive mind to Create and maintain workflows with teams to provide visibility and to ensure workload balance for consistent visual designs

•Good technical knowledge to Produce quality code, raising the bar for the whole team on quality and speed

•Through analytical skills to Recommend system solutions by comparing advantages and disadvantages of custom development and purchase alternatives.

Who qualifies? 

• PHP Laravel Framework, PHP Design Patterns.

• Proficient in MySQL. MongoDB knowledge is plus

• APIs, REST API, API Security.

• Laravel Events, Queue, Observers

• Excellent foundation in computer science, algorithms, and web design

• Experience writing highly secure web application

• Experience with core AWS web-enabling technologies

• Growth mindset, challenging status quo to find new solutions and out- of-the-box ideas

• Experience designing RESTful APIs, specifically for mobile apps

• Computer science degree or equivalent experience

• Experience leading a team is a bonus.

• 3+ Years of relevant experience.

Responsibilities

• Ideate, execute & take ownership of complete project from scratch
• Create and design User-focused focused SAAS with high end experience  
• Optimize existing architecture for performance, scalability & functionality 
• Generate modular & clean codes 
• Deploy & maintain project’s infrastructure with zero downtime 

Skill Sets

• Sharp communication skills 
• Fluent in Problem Solving, Data Structures And Algorithms
• Strong in Java Spring Boot & Python Django languages & frameworks
• Experience with database design & familiar with RDBMS database like Postgresql as well as no SQL databases 
• Good with writing unit test cases & integration test cases 
• Well versed in writing Asynchronous codes or technologies
• Exposed to various AWS technologies like EC2, Cognito, API Gateway,ECS etc.
• Exposed to Pub-sub technologies like SQS,Kafka, RabbitMQ, etc. 
• Familiar with caching tools like Redis, HazleCaste, etc. 
• Exposure to DevOps and Big Data is a plus.

Skills And Qualifications

• Expert in Python, with knowledge of at least one Python web framework (such as Django, Flask, etc depending on your technology stack)
• Familiarity with some ORM (Object Relational Mapper) libraries
• Able to integrate multiple data sources and databases into one system
• Understanding of the threading limitations of Python, and multi-process architecture
• Good understanding of server-side templating languages (such as Jinja 2, Mako, etc depending on your technology stack)
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Understanding of accessibility and security compliance (depending on the specific project)
• Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of fundamental design principles behind a scalable application
• Familiarity with event-driven programming in Python
• Understanding of the differences between multiple delivery platforms, such as mobile vs desktop, and optimizing output to match the specific platform
• Able to create database schemas that represent and support business processes
• Strong unit test and debugging skills
• Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)
• (Make sure to mention other frameworks, libraries, or any other technology related to your development stack)
• (List education level or certification you require)

Requirements

• 2-5 years of experience as a back-end developer
• Expertise with Java 1.8 and React JS
• Understanding of OOPS concepts, Design Principles, and implementations of different types of Design Patterns.
• Should have a strong acumen in Data Structures, Algorithms, problem-solving.
• Experience in Microservices
• Extensive experience in developing Web Services APIs using RESTful API design
• Comfortable writing Unit Test Cases
• Good to have experience/knowledge of
  • Docker,
  • Scala,
  • Python, and
  • AWS and other Cloud platforms
• Able to connect the dots between code and business value

Responsibilities

• Engage in high-level conversations about business strategy and the role tech plays in it
• Write well-designed, testable, and efficient code that powers our application
• Write specs and do planning for everything we build
• Conduct application analysis, testing, and debugging
• Diligently document code to keep it clean and transparent
• Ensure cross-browser and device compatibility

You Are

• You believe it’s always on you to make sure anything you do is a success.
• You have the ability to make quick and effective decisions.
• In love with a challenge. You revel in solving problems and want a job that pushes you out of your comfort zone.
• Open to change. You’re inspired by the endless ways in which everything we do can always be improved.

Job brief DotNet (2 to 3 years)
We are looking for a .Net developer to build software using languages and technologies of the .NET framework. You will create applications from scratch, configure existing systems and provide user support.

In this role, you should be able to write functional code with a sharp eye for spotting defects. You should be a team player and excellent communicator.

Your goal will be to work with internal teams to design, develop and maintain software.

Responsibilities
-Participate in requirements analysis
-Collaborate with internal teams to produce software design and architecture
-Write clean, scalable code using .NET programming languages
-Test and deploy applications and systems
-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
Requirements
-Proven experience as a .NET Developer or Application Developer
-Familiarity with the http://asp.net/">ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC))
-Familiarity with architecture styles/APIs (e.g RESTful)
-Understanding of Agile methodologies
-Excellent troubleshooting and communication skills
-Any Graduate (Computer Science, Engineering or a related field)