
Job Title: Senior Product Software Engineer I
Location: Bangalore, India
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Software Engineer (Backend / Distributed Systems)
This role is for a hands-on Backend Software Engineer with 5+ years of experience building and maintaining large-scale distributed systems. The candidate will be responsible for developing scalable backend services, optimizing system performance, improving reliability, and contributing to architecture decisions.
Key Responsibilities
- Design, develop, and maintain backend services and APIs.
- Build scalable and reliable distributed systems.
- Collaborate with global engineering teams (US & India).
- Participate in system design, code reviews, testing, and CI/CD processes.
- Monitor production systems and provide support through on-call rotations.
- Improve system performance, fault tolerance, observability, and resiliency.
- Contribute to architectural discussions and technical decision-making.
Mandatory Skills
- 5+ years of software development experience.
- Strong coding skills in Java or Python.
- Experience with Distributed Systems and Microservices Architecture.
- Hands-on experience with REST APIs and API-driven applications.
- Strong knowledge of MySQL or PostgreSQL.
- Experience with CI/CD, testing, and code quality practices.
Preferred Skills
- Spring Boot (for Java developers).
- Kafka, Kinesis, or other event-driven/streaming technologies.
- Docker and Kubernetes.
- Terraform or Infrastructure as Code tools.
- Cloud platform experience (AWS/GCP/Azure).
- High-throughput and low-latency system experienc

About Leinex
About
Leinex, was formally initiated in the year 2012 with the core business focus on IT recruitments in niche technological areas. With expertise in technology hiring at mid-level and leadership positions, Leinex has successfully supported various IT products/services, telecom, consulting organizations, and start-ups. We have demonstrated our ability to deliver on both volume and niche hiring mandates, covering a wide range of technical skills.
Throughout the journey, Leinex has remained dedicated to the fundamental principles of 100% customer satisfaction, surpassing expectations in service delivery, and fostering lasting partnerships with clients. We understand the importance of staying responsive to the demands of a dynamic market and constantly review, evaluate, and update our processes accordingly. The name "Leinex" reflects our commitment to service excellence, encapsulating our approach to learn, innovate, and excel in all aspects of our operations.
Our services
• Recruitment
• Payroll
• Compensation Benchmarking
• Training Solutions
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Company Description
NonStop io Technologies, founded in August 2015, is a Bespoke Engineering Studio specializing in Product Development. With over 80 satisfied clients worldwide, we serve startups and enterprises across prominent technology hubs, including San Francisco, New York, Houston, Seattle, London, Pune, and Tokyo. Our experienced team brings over 10 years of expertise in building web and mobile products across multiple industries. Our work is grounded in empathy, creativity, collaboration, and clean code, striving to build products that matter and foster an environment of accountability and collaboration.
Role Description
This is a full-time hybrid role for a Java Software Engineer, based in Pune. The Java Software Engineer will be responsible for designing, developing, and maintaining software applications. Key responsibilities include working with microservices architecture, implementing and managing the Spring Framework, and programming in Java. Collaboration with cross-functional teams to define, design, and ship new features is also a key aspect of this role.
Responsibilities:
● Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
● Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
● Code Reviews: Participate in code reviews to maintain high-quality standards
● Troubleshooting: Debug and resolve application issues in a timely manner
● Testing: Develop and execute unit and integration tests to ensure software reliability
● Optimize: Identify and address performance bottlenecks to enhance application performance
Qualifications & Skills:
● Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
● Familiarity with RESTful APIs and web services
● Proficiency in working with relational databases like MySQL or PostgreSQL
● Practical experience with AWS cloud services and building scalable, microservices-based architectures
● Experience with build tools like Maven or Gradle
● Understanding of version control systems, especially Git
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
Why Join Us?
● Opportunity to work on cutting-edge technology products
● A collaborative and learning-driven environment
● Exposure to AI and software engineering innovations
● Excellent work ethic and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you

JOB DETAILS:
* Job Title: Lead I - Software Engineering-Kotlin, Java, Spring Boot, Aws
* Industry: Global digital transformation solutions provide
* Salary: Best in Industry
* Experience: 5 -7 years
* Location: Trivandrum, Thiruvananthapuram
Role Proficiency:
Act creatively to develop applications and select appropriate technical options optimizing application development maintenance and performance by employing design patterns and reusing proven solutions account for others' developmental activities
Skill Examples:
- Explain and communicate the design / development to the customer
- Perform and evaluate test results against product specifications
- Break down complex problems into logical components
- Develop user interfaces business software components
- Use data models
- Estimate time and effort required for developing / debugging features / components
- Perform and evaluate test in the customer or target environment
- Make quick decisions on technical/project related challenges
- Manage a Team mentor and handle people related issues in team
- Maintain high motivation levels and positive dynamics in the team.
- Interface with other teams’ designers and other parallel practices
- Set goals for self and team. Provide feedback to team members
- Create and articulate impactful technical presentations
- Follow high level of business etiquette in emails and other business communication
- Drive conference calls with customers addressing customer questions
- Proactively ask for and offer help
- Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
- Build confidence with customers by meeting the deliverables on time with quality.
- Estimate time and effort resources required for developing / debugging features / components
- Make on appropriate utilization of Software / Hardware’s.
- Strong analytical and problem-solving abilities
Knowledge Examples:
- Appropriate software programs / modules
- Functional and technical designing
- Programming languages – proficient in multiple skill clusters
- DBMS
- Operating Systems and software platforms
- Software Development Life Cycle
- Agile – Scrum or Kanban Methods
- Integrated development environment (IDE)
- Rapid application development (RAD)
- Modelling technology and languages
- Interface definition languages (IDL)
- Knowledge of customer domain and deep understanding of sub domain where problem is solved
Additional Comments:
We are seeking an experienced Senior Backend Engineer with strong expertise in Kotlin and Java to join our dynamic engineering team.
The ideal candidate will have a deep understanding of backend frameworks, cloud technologies, and scalable microservices architectures, with a passion for clean code, resilience, and system observability.
You will play a critical role in designing, developing, and maintaining core backend services that power our high-availability e-commerce and promotion platforms.
Key Responsibilities
Design, develop, and maintain backend services using Kotlin (JVM, Coroutines, Serialization) and Java.
Build robust microservices with Spring Boot and related Spring ecosystem components (Spring Cloud, Spring Security, Spring Kafka, Spring Data).
Implement efficient serialization/deserialization using Jackson and Kotlin Serialization. Develop, maintain, and execute automated tests using JUnit 5, Mockk, and ArchUnit to ensure code quality.
Work with Kafka Streams (Avro), Oracle SQL (JDBC, JPA), DynamoDB, and Redis for data storage and caching needs. Deploy and manage services in AWS environment leveraging DynamoDB, Lambdas, and IAM.
Implement CI/CD pipelines with GitLab CI to automate build, test, and deployment processes.
Containerize applications using Docker and integrate monitoring using Datadog for tracing, metrics, and dashboards.
Define and maintain infrastructure as code using Terraform for services including GitLab, Datadog, Kafka, and Optimizely.
Develop and maintain RESTful APIs with OpenAPI (Swagger) and JSON API standards.
Apply resilience patterns using Resilience4j to build fault-tolerant systems.
Adhere to architectural and design principles such as Domain-Driven Design (DDD), Object-Oriented Programming (OOP), and Contract Testing (Pact).
Collaborate with cross-functional teams in an Agile Scrum environment to deliver high-quality features.
Utilize feature flagging tools like Optimizely to enable controlled rollouts.
Mandatory Skills & Technologies Languages:
Kotlin (JVM, Coroutines, Serialization),
Java Frameworks: Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data)
Serialization: Jackson, Kotlin Serialization
Testing: JUnit 5, Mockk, ArchUnit
Data: Kafka (Avro) Streams Oracle SQL (JDBC, JPA) DynamoDB (NoSQL) Redis (Caching)
Cloud: AWS (DynamoDB, Lambda, IAM)
CI/CD: GitLab CI Containers: Docker
Monitoring & Observability: Datadog (Tracing, Metrics, Dashboards, Monitors)
Infrastructure as Code: Terraform (GitLab, Datadog, Kafka, Optimizely)
API: OpenAPI (Swagger), REST API, JSON API
Resilience: Resilience4j
Architecture & Practices: Domain-Driven Design (DDD) Object-Oriented Programming (OOP) Contract Testing (Pact) Feature Flags (Optimizely)
Platforms: E-Commerce Platform (CommerceTools), Promotion Engine (Talon.One)
Methodologies: Scrum, Agile
Skills: Kotlin, Java, Spring Boot, Aws
Must-Haves
Kotlin (JVM, Coroutines, Serialization), Java, Spring Boot (Spring Cloud, Spring Security, Spring Kafka, Spring Data), AWS (DynamoDB, Lambda, IAM), Microservices Architecture
******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: Trivandrum
Virtual Weekend Interview on 7th Feb 2026 - Saturday
- Experience in Core Java 5.0 and above, CXF, Spring.
- Extensive experience in developing enterprise-scale n-tier applications for financial domain. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client-facing applications.
- Good Experience into Microservices , Data structures , Oops , Algorithms, multithreading etc
- Good development experience with RDBMS, preferably Sybase database.
- Good knowledge of multi-threading and high-volume server-side development.
- Experience in sales and trading platforms in investment banking/capital markets.
- Basic working knowledge of Unix/Linux.
- Experience into High /Low level designing.
- Excellent problem solving and coding skills in Java.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
.Net Lead(2+ lead exp must) - Exp : 8+
.Net Developer - Exp : 6+
Skills : .Net Core, C#, SQL and Angular.
Np : Immediate Joiners
Location – Bangalore.
About the Job
Titaniam’s software engineers develop the next-generation technologies that protect big data. Our products need to handle information at a massive scale. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing as well as large-scale system design. As a software engineer, you will work on projects critical to the company needs with opportunities to switch projects as you and our fast-paced business grow and evolve. We need our engineers to be versatile, display leadership qualities and be enthusiastic to take on new problems across the full-stack as we continue to push technology forward.
Responsibilities
- Work closely with software engineers, product managers, and sales teams to bring innovative solutions to market.
- Communicate and negotiate across teams to get buy-in and alignment towards a shared vision.
- Apply technical judgement and identify return-on-investment opportunities.
- Learn new technologies and apply them appropriately for bringing value to customers.
Minimum qualifications
- Strong computer science fundamentals: data structures, algorithms, programming languages, distributed systems, and information retrieval.
- Experience in architecting and developing distributed systems design.
- Experience in technical leadership, leading project teams, and setting technical direction.
- Proven record of test driven development.
- Experience with Java, Spring Framework or similar technologies.
Preferred qualifications
- Experience in driving technical projects and providing leadership in an innovative and fast-paced environment
- Experience in working with other engineering teams internally and externally, and across geographies.
- Experience building web applications for 5+ years.
- Proficiency in Java, with a good understanding of its ecosystems
- Sound knowledge of https://www.simplilearn.com/tutorials/java-tutorial/oops-interview-questions" target="_blank">Object-Oriented Programming (OOP) Patterns and Concepts
- Familiarity with different design and architectural patterns
- Skill for writing reusable Java libraries
- Knowhow of Java concurrency patterns
- Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
- Experience in working with popular web application frameworks like Play and Spark
- Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements
- Ability to write clean, readable Java code
- Basic knowhow of class loading mechanism in Java
- Experience in handling external and embedded databases
- Understanding basic design principles behind a scalable application
- Skilled at creating database schemas that characterize and support business processes
- Basic knowledge of https://www.simplilearn.com/jvm-and-the-implications-of-sandbox-model-rar41-article" target="_blank">JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds
- Implementing automated testing platforms and unit tests
- In-depth knowledge of code versioning tools, for instance, Git
- Understanding of building tools like Ant, Maven, Gradle, etc
- Expertise in continuous integration

Description
Experience: 1.5 to 3 yrs
* Hands on work experience developing in Java and J2EE
* Hands on work experience developing in JavaScript
* Extensive working experience in Springboot
* Good to have No SQL (Mongo DB) and My SQL Exposure
* Good to have experience in AWS cloud environment
* Designing, developing, troubleshooting and debugging software within a project scope ensuring that work product meets end user acceptance criteria.
* Managing self-directed assignments to resolve software defects or implement features to meet schedule commitments with a high-level of quality.
* Acquiring knowledge of industry and company standards, tools and technology with a focus on pragmatic application to business-focused software solutions through initiative and self-study
Requirements
Primary Skill Java Springboot, Java Script
Good to have Mongo Db (No Sql), My SQL and Exposure to AWS
Benefits
Salary:300000 LPA to 500000 LPA
Cloud Developer
● Overall 6-8 years of IT Experience including Java/.Net based Software Developmentwith
minimum 2-3 years of experience in developing applications on cloud (AWS/Azure/Google)
● Excellent understanding and hands on with cloud computing concepts including
but not limited to microservices, containerization, DevOps etc.
● Excellent knowledge of cloud native computing technologies and current computing trends
● Ability to effectively address Customer NFRs with most suitable cloud/open source servicesavailable
● Updated on latest Cloud offerings
● In depth experience in problem solving, guiding team members on cloud development challenges
● Expertise in preparing technical architecture for cloud development
● Hands on Experience in any one of Multi-cloud/Hybrid Cloud model
implementation utilizing leading platforms like Red Hat OpenShift, GoogleAnthos,
VMware Tanzu
● Implementation experience in leading open source technologies like Spring boot,Spring
Batch, Spring cloud, Drools Rule Engine etc.
● Should be able to understand customer cloud requirements and implement technical solutions
● Experience in designing and implementing reusable components/accelerators
● Ability to participate in solution discussions with customers
● Hands on with DevOps implementation
● Hands On Experience in developing POC’s and pilots is a must
● Experience in cloud CoE will be a added advantage
● Certified developer in AWS, Azure or Google
● Effective communication skills (written and verbal) for seamless cloud based development
"Need candidates with Notice period of 30 - 45 days."
Job Description:
- Resource should be proficient in analyzing, designing and developing applications based on the requirements provided by business counterparts
- Developing and maintaining applications developed in Java, J2EE, Struts and Spring and possessing 3-layer architecture
- Good knowledge in Spring Boot, Hibernate, Angular JS, Docker, VUE JS and AWS
- Applications development or maintenance using ORM tools such as Hibernate
- Database management which includes DB design and maintenance, mostly related to 2016 and Oracle 19c, DB2
- Should have knowledge in Unix / Linux OS.
- Should have good knowledge in Shell scripting language
- Strictly adhere to the internal SDLC process quality standards set but the organization and providing the drive to the team to achieve the KPI and SLA targets
- Flexible to work in extended time
- Candidate should have good experience on Java / J2EE, Springboot, Hibernate / JPA, Oracle query, Web Services and Rabbit MQ.
- Should have minimum of 3 to 5 years of experience. Should be able to work on enhancement, maintenance and production support.
- Good to have hands-on experience on DEVOPS & API development.








