
We are looking for a full-time remote Senior Backend Developer who has worked with big data and stream processing, to solve big technical challenges at scale that will reshape the healthcare industry for generations. You will get the opportunity to be involved in the big data engineering, novel machine learning pipelines and highly scalable backend development. The successful candidates will be working in a team of highly skilled and experienced developers, data scientists and CTO.
Job Requirements
1) Writing well tested, readable code using Python that is capable of processing large volumes of data
2) Experience with cloud platforms such as GCP, Azure or AWS are essential
3) The ability to work to project deadlines efficiently and with minimum guidance
4) A positive attitude and love working within a global distributed team
Skills
1) Highly proficient working with Python
2)Comfort working with large data sets and high velocity data streams
3) Experienced with microservices and backend services
4) Good relational and NoSQL database working knowledge
5) An interest in healthcare and medical sectors
6) Technical degree with minimum of 2 plus years- backend data heavy development or data engineering experience in Python
7) Desirable ETL/ELT
8) Desirable Apache Spark and big data pipelines, and stream data processing (e.g. Kafka, Flink, Kinesis, Event Hub)

About Vamstar
About
Connect with the team
Similar jobs

A BIT ABOUT US
Appknox is one of the top Mobile Application security companies recognized by Gartner and G2. A profitable B2B SaaS startup headquartered in Singapore & working from Bengaluru.
The primary goal of Appknox is to help businesses and mobile developers secure their mobile applications with a focus on delivery speed and high-quality security audits.
Our business includes Fortune 500 companies with Major brands spread across regions like India, South-East Asia, Middle-East, Japan, US, and expanding rapidly.
The Opportunity:
We are seeking a highly skilled Senior Software Engineer (Backend) to join our dynamic software development team. In this role, you will contribute to key backend projects, collaborate across teams, and play a vital part in delivering robust, scalable, and high-performance software solutions. As a senior engineer, you will work independently, make impactful technical decisions, and help shape the backend architecture while collaborating with a passionate, high-performing team.
You will work hands-on with products primarily built in Python, with opportunities to contribute to Golang. These technologies are at the core of our development stack, and your focus will be on building, scaling, and maintaining distributed services. Distributed systems are integral to our architecture, providing a chance to gain hands-on experience with maintaining and optimizing them in a fast-paced environment.
As a Senior Engineer, you are expected to:
- Write clean, maintainable, and testable code while following best practices.
- Architect solutions, address complex problems, and deliver well-thought-out technical designs.
- Take ownership of assigned modules and features, delivering them with minimal supervision.
- Contribute to code reviews and technical discussions, ensuring high-quality deliverables.
We highly value open source contributions and encourage you to check out our work on GitHub at Appknox GitHub. While no prior experience in security is required, our experienced security professionals are available to support you in understanding the domain.
This role offers a unique opportunity to work on cutting-edge technology, drive impactful solutions, and grow within a collaborative environment that values autonomy, innovation, and technical excellence.
Responsibilities:
- Contribute to backend development for a cutting-edge product in the Security domain, with focus on performance, reliability, and maintainability.
- Implement software components and features based on high-level architectural guidance using Django and Django REST Framework (DRF).
- Collaborate with senior engineers to translate functional and technical requirements into robust backend implementations.
- Write clean, modular, and testable code following industry best practices and team standards.
- Participate in design discussions and code reviews to maintain code quality and continuously learn from peers.
- Work closely with frontend, QA, and security teams to deliver well-integrated, end-to-end solutions.
- Troubleshoot, debug, and resolve issues in existing systems, ensuring stability and efficiency.
- Contribute to the creation of technical documentation for components and modules you build or maintain.
- Follow defined verification plans and contribute to improving test coverage and automation.
- Participate in sprint planning, estimations, and agile ceremonies to support timely and effective project delivery.
- Proactively seek feedback and continuously improve your technical skills and understanding of system architecture.
- Support team success by collaborating effectively, sharing knowledge, and guiding junior team members when needed.
Requirements:
- Solid hands-on experience with Django and Django REST Framework 3-4 years
- Good understanding of relational databases, SQL, and working with ORMs such as Django ORM.
- Ability to contribute to design discussions and implement well-structured, maintainable backend systems.
- Exposure to writing unit and integration tests; familiarity with CI/CD pipelines and version control systems
- Proficiency in debugging, performance optimization, and addressing scalability concerns under guidance.
- Strong fundamentals in data structures, algorithms, and clean coding practices.
- Able to collaborate effectively within a team and take ownership of moderately complex modules.
- Good communication skills, with the ability to document and explain solutions to peers.
- Familiarity with cloud platforms and microservices architecture is a plus.
- Self-driven with a growth mindset and willingness to learn from peers and feedback.
Work Expectations:
Within 1 month-
- Attend KT sessions conducted by the engineering and product teams to gain a deep understanding of the product, its architecture, and workflows.
- Learn about the team's development processes, tools, and key challenges.
- Work closely with the product team to understand product requirements and contribute to the design and development of features.
- Dive deep into the existing backend architecture, including database structures, APIs, and integration points, to fully understand the technical landscape
- Begin addressing minor technical challenges and bugs, while understanding the underlying architecture and tech stack.
- Begin to participate in creating action plans for new features, ensuring that design and implementation are aligned with product goals.
Within 3 months-
- Achieve full autonomy in working on the codebase, demonstrating the ability to independently deliver high-quality features from design to deployment.
- Take complete ownership of critical modules, ensuring they are optimized for performance and maintainability.
- Act as a technical resource for the team, offering support and guidance to peers on complex issues.
- Collaborate with DevOps to optimize deployment pipelines, debug production issues, and improve backend infrastructure.
- Lead discussions for technical solutions and provide recommendations for architectural improvements.
- Contribute to the design of new features by translating functional requirements into detailed technical specifications.
- Prepare regular updates on assigned tasks and communicate effectively with the engineering manager and other stakeholders.
Within 6 months-
- Be fully independent in their development tasks, contributing to key features and solving critical challenges.
- Demonstrate strong problem-solving skills and the ability to take ownership of technical modules.
- Actively participate in code reviews and technical discussions, ensuring high-quality deliverables.
- Collaborate seamlessly with cross-functional teams to align technical solutions with business requirements.
- Establish themselves as a reliable and proactive team member, contributing to the team’s growth and success.
Personality traits we really admire:
- Great attitude to ask questions, learn and suggest process improvements.
- Has attention to details and helps identify edge cases.
- Proactive mindset.
- Highly motivated and coming up with ideas and perspective to help us move towards our goals faster.
- Follows timelines and absolute commitment to deadlines.
Interview Process
- Round 1 Interview - Profile Evaluation (EM)
- Round 2 Interview - Assignment Evaluation & Technical Problem Solving discussion (Tech Team)
- Round 4 Interview - Engineering Team & Technical Founder (CTO)
- Round 5 Interview - HR
Compensation
- Best in industry
We prefer that every employee also holds equity in the company. In this role, you will be awarded equity after 12 months, based on the impact you have created.
Please be aware that all your customers are Enterprises and Fortune 500 companies.
Why Join Us:
- Freedom & Responsibility: If you are a person who enjoys challenging work & pushing your boundaries, then this is the right place for you. We appreciate new ideas & ownership as well as flexibility with working hours.
- Great Salary & Equity: We keep up with the market standards & provide pay packages considering updated standards. Also as Appknox continues to grow, you’ll have a great opportunity to earn more & grow with us. Moreover, we also provide equity options for our top performers.
- Holistic Growth: We foster a culture of continuous learning and take a much more holistic approach to training and developing our assets: the employees. We shall also support you all on that journey of yours.
- Transparency: Being a part of a start-up is an amazing experience one of the reasons being the open communication & transparency at multiple levels. Working with Appknox will give you the opportunity to experience it all first hand.
- Health insurance: We offer health insurance coverage upto 5 Lacs for you and your family including parents.

Job Type: Full-time
Location: Remote
Company Description
The Blue Owls Solutions specializes in delivering cutting-edge Generative AI Solutions, AI-Powered Software Development, and comprehensive Data Analytics and Engineering services. Our expertise in End-To-End ML/AI Development ensures that clients benefit from scalable and efficient AI-driven solutions tailored to their unique business needs. We create intelligent voice and text agents, chatbots, and process automation solutions, and our data analytics services provide actionable insights for strategic decision-making. Our mission is to bridge the gap between AI innovation and adoption, delivering value-driven, outcome-based solutions that empower our clients to achieve their business goals.
Role Description
We're seeking an enthusiastic Backend Developer who thrives on solving interesting challenges and building reliable, efficient applications. While basic competency in frontend (React) is sufficient, strong backend skills (Python, FastAPI, SQL, pandas) and cloud-native awareness are essential. The ideal candidate enjoys learning new tech stacks, and enjoys solving problems independently.
Required Skills (In order of importance)
- Strong proficiency in Python backend development with FastAPI.
- Familiarity with data analysis using pandas, numpy, and SQL.
- Familiarity with cloud-native concepts and containerization (Docker).
- Basic React skills for frontend integration.
- Excellent problem-solving skills, adaptability, and quick learning abilities.
- Experience with version control systems (e.g., Git)
Preferred Qualifications:
- 3+ Years of experience as Backend Engineer
- Experience with PostgreSQL or other relational databases.
- Azure Cloud Experience.
- Experience writing clean, maintainable, and testable code.
- Experience in AI/ML development is a plus
Why Join Us?
- Collaborative, remote-first environment.
- Opportunities for rapid career growth and learning.
- Competitive Pay.
- Engaging projects focused on practical problem-solving.

Job Description:-
Design, develop IoT/Cloud-based Typescript/ JavaScript/ Node.JS applications using
Amazon Cloud Computing Services.
Work closely with onsite, offshore, and cross functional teams, Product Management, UI/UX developers, Web and Mobile developers, SQA teams to effectively use technologies to build and deliver high quality and on-time delivery of IoT applications
Bug and issue resolution
Proactively Identify risks and failure modes early in the development lifecycle and develop.
POCs to mitigate the risks early in the program.
Assertive communication and team skills
Primary Skills:
Hands on experience (3+ years) in AWS cloud native environment with work experience in
AWS Lambda, Kinesis, DynamoDB
3+ years’ experience in working with NodeJS, Python, Unit Testing and Git
3+ years in work experience with document, relational or timeseries databases
2+ years in work experience with typescript.
1+ years in IaaS framework like Serverless or CDK with CloudFormation knowledge
- 3+ year of experience in Development in JAVA technology.
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Any Caching Mechanism
- Good at problem solving
Good to Have Skills:
- 3+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem solving skills.
- Ability to work in a fast paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding of AI/ML algorithms is a plus.


- Strong knowledge of Ruby on rails framework.
- Strong Knowledge of coding languages, like PERL, Python and Ruby.
- Good knowledge of Relation and NoSQL databases. like MySQL, Postgres, NoSQL etc.
- Knowledge of Microservices development and AWS concept will be an added advantage.
- Ready to adopt new technologies and implement them in project.

- Ownership of complete backend code.
- Full stack development on cutting edge technology in Fintech domain.
You should Have :
- Server Side languages knowledge: Node.js and express.js is the first choice, Python, Java
- Solid experience working with databases, especially relational DB.
- Solid experience with version control (Git or Bitbucket or SVN).
- B.E. in Computer Science or Graduate/PG degree in Computer Science (this is optional, as we are more interested in your abilities and experience over a paper degree).
- Any experience working with real time projects in backend with node.js and express.js


If you are looking for a change this is what we can promise you:
You will have challenging problems to solve
You will have flexibility and autonomy to solve problems and deliver solutions
We will provide a highly collaborative environment with skilled and super friendly teammates
We will fully support you in developing software the right way
We won't burden you with useless policies and procedures
We will provide you the tools you need to do your job right
If that sounds attractive please apply! We'd love to talk to you.
Here are some more details about the position:
You will be hands-on writing code, unit tests, and performing peer code reviews. You will work with a project manager, software development engineers, user experience and interface designers, quality assurance engineers and customer stakeholders to deliver high quality, scalable and maintainable software solutions.
Required Qualifications
4+ years experience developing web applications using PHP
Ability to work effectively with offshore and nearshore team members
Experience performing peer code reviews
Experience writing unit tests
Experience with Git and merge conflict resolution
JavaScript and HTML, CSS
Ajax, Restful APIs and JSON
SQL (MSSQL, MySQL or similar)
Scalable Architectural Patterns
API Integrations
Asynchronous Processes and Multithreading
Desired Qualifications
5+ year of experience developing web applications.
Experience in Codeigniter PHP framework
Experience with React and Flux
frameworks like Angular, React, Bootstrap, Ember or similar
Experience working with offshore and nearshore development teams.
HTML 5 and CSS 3
Caching Technologies
Cloud Platforms (AWS, Azure, or Heroku)
Serverless technologies
IoC / Dependency Injection
Continuous Integration
Continuous delivery
Git
SourceTree and Bitbucket
Scrum
Project management software - Jira, Rally or similar
Virtual Machines
Postman







