Backend Developer

Role: Backend Developer

Experience: 3-6 years

Duration: 1–3 months

Tech Stack: .NET Core, MongoDB

Domain: Clinical/Healthcare (Preferred)

Responsibilities

• Develop and maintain REST APIs using .NET Core
• Design scalable backend services and microservices
• Implement data storage and retrieval using MongoDB
• Optimize database queries and application performance
• Integrate with external systems (APIs, FHIR etc.)
• Ensure data security and compliance (GxP/FDA preferred)
• Support debugging and production issue resolution

Required Skills

• Strong experience in .NET Core/ASP.NET Core
• Hands-on experience with MongoDB or NoSQL databases
• Experience in REST API development
• Knowledge of microservices architecture
• Familiarity with Git and CI/CD pipelines

Preferred

• Healthcare/Clinical Trial domain exposure
• Experience with Azure cloud deployments
• Understanding of FHIR or Healthcare Data Standards

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 You Will Do:

• 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 We Expect:

• 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.

JD

·       Minimum 4-18 Years of Core Java Programming with spring boot Framework,Design patterns Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)

·       Good knowledge of the JVM with an understanding of performance and memory optimization.

·       Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

·       Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, HashSet is mandate.

·       Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

·       Expert level understanding of Object Oriented Concepts and Data Structures

Location - Only Bangalore

Notice period - Immediate or Serving

As a Node.js Developer, you will be responsible for:

Designing, developing, and maintaining server-side applications and systems using Node.js, a JavaScript runtime environment. Your expertise in backend development, JavaScript, TypeScript, and REST APIs will play an essential role in creating efficient and powerful server-side applications.

Responsibilities:

● Design and implement efficient, secure, and maintainable server-side code using Node.js.

● Collaborate with the front-end development team to integrate user-facing elements with server-side logic.

● Develop APIs for seamless data flow between the front-end and back-end.

● Optimize application performance and ensure high availability and scalability.

To succeed in this role – you should have the following:

● Minimum of 3-4 years of experience as a backend developer.

● Must have proven experience as a Back-End Developer, with a focus on Node.js.

● Proficiency in JavaScript, TypeScript, and related frameworks (Express.js, Hapi.js, etc.).

● Experience with RESTful API design principles.

● Experience with agile development methodologies.

● Familiarity with working with at least one of PostgreSQL or MongoDB.

● Familiarity with version control systems (Git)

● Strong communication skills and ability to work collaboratively in a team.

● Strong problem-solving skills and attention to detail.

Added bonus:

● Familiarity with frontend development technologies like HTML and CSS.

● Experience working with Docker, Github Actions, and other common CI/CD pipelines

● Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)

Education:

Bachelor's degree in Computer Science, Information Technology, or a related field

Navia Life Care is looking for a young, energetic, and passionate backend developer for a full-time role, and available to join immediately. 

They will be expected to fulfill the following responsibilities :

Backend developer responsibilities :

- Design and build system backend on Python, Django and PostgreSQL

- Experience with Machine Learning, Data Analytics will be a Plus

- Collaborate with cross-functional teams to define, design, and ship new features.

- Unit-testing code for robustness, including edge cases, usability, and general reliability.

- Help improve code quality through writing unit tests, automation and performing code reviews

- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

- Handle software updates, patches, and bug fixes.

- Develop applications for time-sensitive projects while considering business/system requirements.

- Continually learn about new programming languages, operating system updates, and other information that will affect the functions of applications in development.

- Integrate with our front-end and mobile applications

- Participate in brainstorming sessions and have the chance to contribute innovative and original ideas to our technology, algorithms and product

Requirements :

- Minimum 1 to 5 years working experience in Python, DJango, and other related technologies

- Have published one or more Android apps on the Google Play store

- Experience with third-party libraries and APIs, WebRTC etc.

- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies

- Excellent ability to develop and understand algorithms.

- Opportunity to join a fast-growing and funded healthcare startup, and direct reporting to the Chief Technology Officer.

- We provide a flexible and innovation-driven work environment, with a 5-day working week, and competitive compensation packages.

We are looking for creative and smart candidates who are passionate about Web Development, can manage projects/teams and handle clients on a day to day basis.

The candidate must have 1 year - 2 years of experience.

We specialize in web-based software solutions for Finance, logistics, supply chain management, and inventory management. We have also created smart systems for several organizations and are relied on by organizations across India.