Experience:
The candidate should have about 2+ years of experience with design and development in Java/Scala. Experience in algorithm, data-structure, database and distributed System is mandatory.
Required Skills:
Mandatory: -
- Core Java or Scala
- Experience in Big Data, Spark
- Extensive experience in developing spark job. Should possess good Oops knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complexity of spark job.
- Working knowledge of Unix/Linux.
- Hands on experience in Spark, creating RDD, applying operation - transformation-action
Good To have: -
- Python
- Spark streaming
- Py Spark
- Azure/AWS Cloud Knowledge of Data Storage and Compute side

About Number Theory
About
Connect with the team
Similar jobs
Position-Tech Lead
Experience: 8-10
Job Location: Pune
We are seeking a highly skilled Tech Lead with strong expertise in Java, microservices architecture, and cloud-native application development. The ideal candidate will bring hands-on leadership experience in designing scalable solutions, guiding development teams, and collaborating with DevOps engineers on OpenShift (OCP) platforms. This role requires a blend of technical leadership, solution design, and delivery ownership.
Key Responsibilities
Lead the design and development of Java / Spring Boot based microservices in a cloud-native environment.
Provide technical leadership to a team of developers, ensuring adherence to coding, security, and architectural best practices.
Collaborate with architects and DevOps engineers to deploy and manage microservices on Red Hat OpenShift (OCP).
Oversee end-to-end delivery including requirement analysis, design, development, code review, testing, and deployment.
Define and implement API specifications, integration patterns, and microservices orchestration.
Work closely with DevOps teams to integrate CI/CD pipelines, containerized deployments, Helm, and GitOps workflows.
Ensure application performance, scalability, and reliability with proactive observability practices (Grafana, Prometheus, etc.).
Required Skills & Qualifications
8-10 years of proven experience in Java application development with at least 4+ years in microservices architecture.
Strong expertise in Spring Boot, REST APIs, JPA/Hibernate, and messaging frameworks (Kafka, RabbitMQ, etc.).
Hands-on experience with containerization (Docker) and orchestration (OpenShift/Kubernetes).
Familiarity with OCP DevOps practices including CI/CD (ArgoCD, Tekton, Jenkins), Helm, and YAML deployments.
Good understanding of observability stacks (Grafana, Prometheus, Loki, Alertmanager) and logging practices.
Solid knowledge of cloud-native design principles, scalability, and fault tolerance.
Exposure to security best practices (OAuth, RBAC, secrets management via Vault or similar).
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 top engineering institutes (IITs, BITS, or equivalent Tier-1 colleges) are preferred
- Design and Develop: Architect, design, and implement high-performance Java-based backend services and applications.
- Code Quality: Write clean, efficient, and well-documented code following industry best practices and coding standards.
- Technical Leadership: Provide technical guidance and mentorship to junior developers, promoting best practices and fostering a collaborative environment.
- Collaboration: Work closely with frontend developers, product managers, and other stakeholders to understand requirements and deliver robust solutions.
- Performance Optimization: Identify and resolve performance bottlenecks and scalability issues.
- Testing: Implement comprehensive testing strategies, including unit tests, integration tests, and end-to-end tests.
- Continuous Improvement: Stay current with the latest industry trends, technologies, and best practices in Java/Golang development, and continuously improve our development processes.
• Hands on RDBMS experience with Oracle/ PostgreSQL/ MySQL/SQL
Server including transaction management, SQL programming, data
modelling, etc.
• Must have proven track record of logical data modeling and physical
data modeling
• Experienced in using ORM frameworks like Hibernate, etc.
• Basic understanding of NoSQL systems like Redis (Key-Value store),
MongoDB (Document store), Elasticsearch (Search / Document store)
• Design, Development & Deployment of Microservices using Spring
Boot or any other framework.
• Understanding of building EDA-based (Event Driven Architecture)
systems.
• Basic understanding of any public cloud (AWS, Azure, GCP)
• Ability to design & architect a system that exhibits basic
characteristics like modularity, configurability / extensibility, scalability
& availability.
• Maven / Gradle
• Experience in using & configuring Jenkins.
• Experience in using & configuring SonarQube.
Essential Requirements
• Hands-on with Java Platform (1.5 & above) having proficiency in OOPs
concepts, Collections,
• Generics, Streams, Multi-threading (Executor Framework), Functional
Programming.
• Design & Development of REST Web Services (Spring MVC / REST /
Jersey / Apache CXF, etc.)
• Hands-on experience using Spring framework (4.x & above)
• Core / Beans
• MVC / REST
• Security
• Spring Data / JPA
• Spring Test / JUnit
• JMS
Looking for Java_ Spring boot & Microservices Developers.
Experience: 3-12 Years
Location: Hyderabad
Employment Type: Fulltime
Notice Period: Immediate to 30 Days
Roles & Responsibilities:
- Strong programming expertise in java and j2ee.
- Strong project experience in Spring & Spring boot.
- Good with multithreading, collections.
- Good work experience in Microservices.
- Strong with Data Structures and Algorithms.
- Good with Design and Design Patterns.
Required Skills:
- BS/MS degree in Computer Science, Engineering or a related subject.
- Proven hands-on 3+ years Software Product Development experience.
- Proven working experience in Java development.
- Hands on experience in designing and developing applications using Java EE platforms.
- Object Oriented analysis and design using common design patterns.
- Excellent knowledge of Relational Databases and SQL.
- Very good communication skills.
- Strong analytical and logical skills.
About the company
Currently we are hiring for a VC backed startup a fast growing fintech startup based in Bangalore.
It is a super app to digitize India’s 50M+ sales agents where they can get access to relevant products & services, receive training through interactive videos on “how to sell, what to sell and whom to sell”, and earn money. For businesses, we help them save a huge effort in managing and training these agents and help them increase their reach to every nook and corner of the country.
India is a trust deficit market which cannot be accessed through Internet Marketing on Facebook and Google as the majority of the customers need training, push, motivation and a primer on why and how to use a product.
To solve this problem, traditional industries like BFSI, Telecom, Automobile, Real Estate etc. use 50M+ frontline sales executives to drive distribution. We believe that not just for these traditional industries but also for emerging companies in FinTech, EdTech etc these agents will play a pivotal role in accessing trust deficit customers.
They have grown to a 100,000+ agent network across India (growing 50% MoM) & are funded by tier1 VC’s and angels in India.
Summary of Role
As a lead of the consumer products software engineering division, you will take an active role in the definition and evolution of standard practices and procedures. You will be responsible for defining and developing software for tasks associated with the developing, designing and debugging of the software applications.
Responsibilities:
- Overlook development of all consumer products in JAVA
- Lead a team of 4-5 developers
- Optimize components for maximum performance across a vast array of web-capable devices and browsers
- Focus on code maintainability and performance of application
- Provide technical advice and assists in solving programming problems
- Continuously create new and interactive features that would help to improve user experience and user engagement.
- Assist with troubleshooting of issues as needed
- Lead the design and architecture of software solutions
- Assist in developing and maintaining continuous integration pipelines
Required Skills for this Role:
- JAVA
- Spring/Spring Boot
- Hibernate
- Linux
- REST
- Kafka
- Mysql
- AWS
- ELK Stack (Elasticsearch)
- CI/CD Pipelines
- Team Leadership experience of at least 3 year
Qualifications:
- 4+ years of experience in Java based technologies
- Experience in designing databases and system architecture
- Experience in building products from scratch at well funded start-ups
- Team Lead/Team Manager experience of at least 3 years

Experience: 5-12 years (approx.)
Notice period : Immediate / Within 15 days.
Location : Hyderabad.
Mode Of Interview : Walk-In Drive.
Address : Altimetrik India The Hive, Corporate Capital, Ground floor, Survey No. 115/1 and Survey No. 115/29 Financial District, Nanakramguda Village, Hyderabad, Telangana Get Directions.
Mandatory Skills
• Strong Restful API, Micro-services development experience using ASP.NET CORE Web APIs (C#)
• Must have exceptionally good software design and programming skills in .Net Core (.NET 3.X, .NET 6) Platform, C#, ASP.net MVC, ASP.net Web API (RESTful), Entity Framework & LINQ
• Good working knowledge on Azure Functions, Docker, and containers
• Expertise in Microsoft Azure Platform - Azure Functions, Application Gateway, API Management, Redis Cache, App Services, Azure Kubernetes, CosmosDB, Azure Search, Azure Service Bus, Function Apps, Azure Storage Accounts, Azure KeyVault, Azure Log Analytics, Azure Active Directory, Application Insights, Azure SQL Database, Azure IoT, Azure Event Hubs, Azure Data Factory, Virtual Networks and networking.
• Strong SQL Server expertise and familiarity with Azure Cosmos DB, Azure (Blob, Table, queue) storage, Azure SQL etc
• Experienced in Test-Driven Development, unit testing libraries, testing frameworks.
• Good knowledge of Object Oriented programming, including Design Patterns
• Cloud Architecture - Technical knowledge and implementation experience using common cloud architecture, enabling components, and deployment platforms.
• Excellent written and oral communication skills, along with the proven ability to work as a team with other disciplines outside of engineering are a must
• Solid analytical, problem-solving and troubleshooting skills
Desirable Skills:
• Certified Azure Solution Architect Expert
o Microsoft Certified: Azure – Fundamentals Exam AZ-900
o Microsoft Certified: Azure Administrator – Associate Exam AZ-104
o Microsoft Certified: Azure Developer – Associate Exam AZ-204
o Microsoft Certified: DevOps Engineer Expert (AZ-400)
o Microsoft Certified: Azure Solutions Architect Expert (AZ-305)
• Good understanding of software architecture, scalability, resilience, performance;
• Working knowledge of automation tools such as Azure DevOps, Azure Pipeline or Jenkins or similar
Roles & Responsibilities
• Defining best practices & standards for usage of libraries, frameworks and other tools being used;
• Architecture, design, and implementation of software from development, delivery, and releases.
• Breakdown complex requirements into independent architectural components, modules, tasks and strategies and collaborate with peer leadership through the full software development lifecycle to deliver top quality, on time and within budget.
• Demonstrate excellent communications with stakeholders regarding delivery goals, objectives, deliverables, plans and status throughout the software development lifecycle.
• Should be able to work with various stakeholders (Architects/Product Owners/Leadership) as well as team - Lead/ Principal/ Individual Contributor for Web UI/ Front End Development;
• Should be able to work in an agile, dynamic team environment;
Are you a high-performing, collaborative, results-oriented and technologically savvy person who is keen on sales in the digital industry? Then this highly visible role is for you!
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 the doctor-patient relationship and enhance the in-clinic experience.
As the Sr. 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 companys advanced health-tech platform using Java, Solr, SpringBoot, DialogFlow
- Communicating effectively in a cross-functional product development team and presenting ideas and solutions effectively
What you need to have:
- Education: B.Tech with Min. 65% marks
- Expert at hands-on programming in JAVA and J2EE
- 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
Desired Attributes
- Hands-on experience with Lucene/Solr
- Familiarity with DiagFlow based chatbot building
- Knowledge of NLP
- Learned 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
Job Summary
If you are passionate about technology, constantly seeking to learn and improve skillset, then you are the type of person we are looking for!
We are offering superb career growth opportunities, great compensation and benefits.
Java developers with only more than 7 Years of experience can apply.
Responsibilities and Duties
- Deliver tactical and strategic improvements to large scale Java/J2EE/Mobile based product
- Formulates and defines system scope and objectives through research and fact-finding to develop or modify moderately complex information systems
- Design, develop and test Java-based solutions using common standards and frameworks such as JAXB, JAX-WS, JAX-RS, JPA, JavaEE, Spring, and Hibernate
- Maintain and update all existing J2EE applications as needed
- Translate software requirements into working and maintainable solutions within the existing application frameworks
- Implement the product's lifecycle: Design, development, quality, deployment, and maintenance
- Develop and adhere to best-practices for developing applications
- Continuously contribute to team performance improvement and collaboration
- Collaborate effectively across teams
Benefits
Alternate Saturdays-Off!
Working Saturdays are Half-days!
Weekly Lunch
Birthday Celebrations
Festival Celebrations
Diwali Bonus
Annual Picnic
Healthiest and easy-going working experience with motivating team members.











