
Strong Senior Backend Engineer profiles
Mandatory (Experience 1) – Must have 5+ years of hands-on Backend Engineering experience building scalable, production-grade systems
Mandatory (Experience 2) – Must have strong backend development experience using one or more frameworks (FastAPI / Django (Python), Spring (Java), Express (Node.js).
Mandatory (Experience 3) – Must have deep understanding of relevant libraries, tools, and best practices within the chosen backend framework
Mandatory (Experience 4) – Must have strong experience with databases, including SQL and NoSQL, along with efficient data modeling and performance optimization
Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs, services, and backend systems, including system design and clean code practices
Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)
Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D
Mandatory (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS, are highly preferred)

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Java Developer – Backend (Spring Boot + WebFlux)
Company Overview
Dive into the galaxy of innovative possibilities and unfold the future with Pattem Digital. We are a leading software product development company specializing in delivering 100+ services across frontend, backend, CMS, and cutting-edge technologies. With a global presence and proven track record, we help businesses scale through agile and efficient software solutions.
Position Overview
We are looking for a skilled Java Backend Developer with strong expertise in Core Java, Spring Boot, and Spring WebFlux. The ideal candidate will be responsible for building scalable backend systems, developing reactive and RESTful APIs, and contributing to high-performance applications.
📍 Location: Whitefield, Bangalore (Onsite – 5 Days/Week)
📅 Experience: 5–6 Years
Key Responsibilities
● Develop and maintain backend services using Java, Spring Boot, and Spring WebFlux
● Design and implement RESTful and reactive APIs for scalable applications
● Work with databases (SQL/NoSQL – MongoDB preferred)
● Implement multithreading, concurrency, and reactive programming for performance optimization
● Collaborate with frontend teams, QA, and product managers
● Debug, troubleshoot, and resolve production issues
● Write clean, maintainable, and efficient code
● Participate in code reviews and maintain coding standards
● Ensure application performance, scalability, and security
Required Qualifications
Technical Skills
● Strong hands-on experience in Core Java (OOPs, Collections, Multithreading)
● Experience with Spring Boot, Spring MVC, and Spring WebFlux
● Good understanding of Microservices architecture
● Experience with MongoDB / SQL databases
● Knowledge of Java Streams, Exception Handling, Concurrency, and Reactive Programming
● Familiarity with Linux environment
● Experience with Git, Maven, CI/CD pipelines
● Understanding of API design, reactive systems, and system architecture
Experience & Education
● 5–6 years of experience in backend development
● Bachelor’s degree in Computer Science or related field
Soft Skills
● Strong problem-solving and analytical skills
● Good communication and teamwork abilities
● Ability to work in a fast-paced environment
● Ownership mindset and attention to detail
Preferred Qualifications
● Experience with Kafka or event-driven architecture
● Exposure to AWS or cloud platforms
● Experience working in Reactive systems / high-throughput applications
● Experience working in Agile environments
Job Description
- Designing system architecture, develop and maintain high performing & scalable services using Node.js frameworks.
- Extensively engage in iterative development model right from requirement analysis, estimation, development, testing & production support
- Mentor, groom junior developers and participate in code reviews
- Contribute towards building company’s coding culture
Requirements
- 3+ years of relevant industry experience in Node.js
- A deep understanding of JavaScript
- Experience working with SQL and NoSQL databases
- Experience with Unit and Integration tests
- Experience with CI/CD
- Experience with MathJax/Latex
- Experience with large scale video streaming
- Experience with ReactJS is a bonus
Software Developer
Roles and Responsibilities
- Apply knowledge set to fetch data from multiple online sources, cleanse it and build APIs on top of it
- Develop a deep understanding of our vast data sources on the web and know exactly how, when, and which data to scrap, parse and store
- We're looking for people who will naturally take ownership of data products and who can bring a project all the way from a fast prototype to production.
Desired Candidate Profile
- At Least 1-2 years of experience
- Strong coding experience in Python (knowledge of Javascripts is a plus)
- Strong knowledge of scraping frameworks in Python (Request, Beautiful Soup)
- Experience with SQL and NoSQL databases
- Knowledge in Version Control tools like GIT.
- Good understanding and hands-on with scheduling and managing tasks with cron.
Nice to have:
- Experience of having worked with elastic search
- Experience with multi-processing, multi-threading, and AWS/Azure is a plus
- Experience with web crawling is a plus
- Deploy server/related components to staging, live environments.
- Experience with cloud environments like AWS,etc as well as cloud solutions like Docker,Lambda, etc
- Experience in DevOps and related practices to improve development lifecycle, continuous delivery with high quality is an advantage.
- Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement
Must have,
- Fundamental of Python(Data types in python, scope of variable, asynchronous programming)
- Should be able to code in Python
- Basic Understanding of Database
- API designing
- Problem Solving skills
- Fundamentals of storage, caching
Good to have,
- AWS Knowledge,
- Python Framework(Django, Flask)
- Knowledge on Message Broker, Caching
- SQL and no-SQL database
● Own the development and deployment of one or more integral module (APIs and Services) that is part of AgroStar’s technology platform, used by farmers for communication, decision support and ecommerce
● Collaborate with the Product Managers and Senior Engineers for
understanding and designing the modules.
● Own the quality of module, and work with QA and Tech Support teams to identify hotspots, and bring continuous improvements.
● Bachelor’s degree or higher, with course in Programming/Data
Structures/Algorithms
● Experiences of programming in Python or GoLang or Web Technologies
(HTML, CSS, Javascript)
● Sound understanding of Data Structures, Algorithms and Object Oriented
Design and Databases (mySQL or mongoDB)
● Passionate about Software Engineering practices
● Excellent communication skills
Our client is the Health-tech initiative of India's largest business house. Started in 2015, it empowers healthcare providers and consumers in India. All healthcare monitoring services are made available through an app that will help connect doctors, hospitals, pharmacies, laboratories and consumers, enabling preventive and predictive healthcare. It helps the care-givers to track the entire patient journey from the initial appointment and maintaining their records, generating lab test reports to providing virtual consultation and home-care solutions. It is expected that this futuristic guide will strengthen doctor-patient relationship and enhance the in-clinic experience.
As the Java Developer, you will be responsible for developing cutting edge health-tech applications that include high scale transaction processing, intelligent bot based programs and data analytics.
What you will do:
- Building components for the company's advanced health tech platform using Java, Solr, SpringBoot, DialogFlow
- Communicating effectively in a cross-functional product development team and present ideas and solutions effectively
- Participating in technical planning and requirements gathering phases including design, code, test, troubleshoot, and document engineering software applications
- Developing the Code as per the requirements
- Working with product team and constructing the tech roadmap
- Designing, building and scaling the company's backend microservices
- Maintaining code integrity and organization
- Applying all quality requirements to make the code production ready
- Developing and deploying new features to facilitate related procedures and tools if necessary
- Developing documentation related to technical aspects and to facilitate current support, development, upgrades, or migrations
- Designing and building efficient, reusable, and reliable Java code
- Pro actively catching and fixing bugs, and providing support for the back end services
- Managing servers and infrastructure by keeping the lights on and refining the deployment architecture
What you need to have:
- Expert at hands on programming in JAVA and J2EE
- Must be from Product based companies (Should have developed Web Apps)
- Proven expertise in Java interfaces with MongoDB (or similar noSQL databases) as well as relational databases (mySQL, Postgres etc)
- Key contributor in atleast one 6+ months development project involving SpringBoot and Hibernate
- Strong understanding of application server infrastructure
- Good working knowledge of Maven based build systems
- Good understanding of build and deployment pipelines that involve ANT and Jenkins
- Proficient understanding of code versioning tools, such as Git or SVN
- Good knowledge of working on Rest APIs , Webservices
- Excellent problem-solving skills
- Hands on experience with Lucene/Solr
- Familiarity with DiagFlow based chat bot building
- Knowledge of NLP
- Learnt AI/ML systems
- Excellent interpersonal skills and the ability to build good working relationships.
- Must be self-motivated to prioritize and manage workload and meet critical project milestones and deadlines.
- Able to effectively collaborate with a team as well as take initiative and work independently to solve problems
Should be highly Technical and hands-on experience in Artificial Intelligence and Machine learning and Python. Managing the successful delivery of projects by efficient planning and coordination.
KEY RESPONSIBILITIES OF THE POSITION :
- Create Technical Design for AI, Machine Learning, Deep Learning, NLP, NLU, NLG projects and implement the same in production.
- Solid understanding and experience of deep learning architectures and algorithms
- Working experience with AWS, most importantly AWS SageMaker, Aurora or MongoDB, Analytics and reporting.
- Experience solving problems in the industry using deep learning methods such as recurrent neural networks (RNN, LSTM), convolutional neural nets, auto-encoders, etc.
- Should have experience of 2-3 production implementations of machine learning projects.
- Knowledge of open-source libraries such as Keras, Tensor Flow, Pytorch
- Work with business analysts/consultants and other necessary teams to create a strong solution
- Should have in-depth understanding and experience of Data Science and Machine Learning projects using Python, R, etc. Skills in Java/C are a plus
- Should developing solutions using python in AI/ML projects
- Should be able to train and build a team of technical developers
- Desired to have experience as leads in designing and developing applications/tools using Microsoft technologies - ASP.Net, C#, HTML5, MVC
- Desired to have knowledge on any of the cloud solutions such as Azure or AWS
- Desired to have knowledge on any of container technology such as Docker
- Should be able to build strong relationships with project stakeholders
Keywords:
- Python
- Artificial Intelligence
- Machine Learning
- AWS
- Django
- NLP
Responsibilities
Writing reusable, testable, and efficient code
Design and implementation of low-latency, high-availability, and performant applications
Integration of user-facing elements developed by front-end developers with server-side logic
Implementation of security and data protection
Skills And Qualifications
Developing an end-to-end application with the latest technologies like python, Django, MySQL and using Python Libraries like Sympy, Numpy, Scipy.
Working with front-end web development technologies like HTML, CSS, Bootstrap, JavaScript, Ajax, Jquery, etc.
Analyze and customize the source code as per business requirements.
Integrate the day-to-day develop code with a version control tool (we use git and GitHub)
Co-ordinate in development, deployment activities.
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)









