
Lead I - Software Engineering-Kotlin, Java, Spring Boot, Aws
at Global digital transformation solutions provider
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

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JOB DESCRIPTION
Experience: 3-8 years
Location- Mumbai
Wissen Technology is now hiring for a Java Developer - Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 3-8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. 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 development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
About the Role
We are seeking a highly skilled and motivated Senior Backend Developer with strong expertise in Node.js and AWS to join our dynamic team. The ideal candidate will have solid backend development experience, with additional working knowledge of PHP and Python. Exposure to frontend frameworks like React.js and Angular will be considered a strong advantage.
Key Responsibilities
• Design, develop, and maintain scalable backend systems and APIs using Node.js.
• Deploy, manage, and optimize applications on AWS cloud infrastructure.
• Collaborate with cross-functional teams (frontend, product, QA) to deliver end-to-end solutions.
• Ensure application performance, security, and scalability.
• Write clean, maintainable, and testable code following industry best practices.
• Work with databases (SQL/NoSQL) to design efficient data models and queries.
• Integrate third-party services and APIs when required.
• Contribute to code reviews, technical discussions, and mentoring of junior developers.
• Support continuous integration and deployment pipelines.
• Troubleshoot, debug, and optimize existing applications.
Requirements
• 4+ years of backend development experience.
• Strong expertise in Node.js and hands-on experience with AWS services (EC2, S3, Lambda, etc.).
• Good working knowledge of PHP and Python.
• Strong understanding of RESTful API design, microservices architecture, and databases (MySQL, PostgreSQL, or MongoDB).
• Working knowledge of React.js and Angular is preferred.
We are looking for a Backend Engineer at Prescribe You will be responsible for architecting and developing backend for the features being added in the mobile app. You will be joining a talented, collaborative team that is very passionate about solving this massive problem.
Location:
Work from Home
About Prescribe:
Prescribe (YC W21) is one of India's fastest-growing startups in the Healthcare sector, founded by IIT Madras alumni. We are building a D2C brand GetYara in the natural healthcare space.
Requirements and Responsibilities:
Below is a list of several skills required to deliver on responsibilities for this role:
- Comfortable with AWS infrastructure.
- Sound knowledge in JS ES6.
- Great at problem-solving
- Experience with Amplify and Cloud formation is a plus.
- Bonus: Graphql, Elastic Search, SQL
Benefits
- Work flexibility
- Medical insurance
- Work from Home
- Stock Options based on performance
If you always thought of yourself as entrepreneurial, customer-obsessed, results-oriented, strategic yet execution-focused, hungry and passionate about technology, we have a dream opportunity to back yourself up.
BASIC QUALIFICATIONS
- At least 8+ years of IT experience most of which will have been in helping the design and implementation of the software suite/module.
- 2+ years on any Cloud Platform (AWS, Azure, Google etc).
- Bachelor’s degree in Information Science / Information Technology, Computer Science, Engineering, Mathematics, Physics, or a related field.
- Strong verbal and written communication skills, with the ability to work effectively across internal and external organizations.
- Strong programming skills in Java.
- Strong hands-on experience in integrating multiple databases like Oracle, SQL Server, PostgreSQL etc.
- Deep hands-on experience in the design, development and deployment of business software at scale.
- Customer facing skills to represent AWS well within the customer’s environment and drive discussions with senior personnel regarding trade-offs, best practices, project management and risk mitigation
- Leading/Involved in highly-available and fault-tolerant enterprise and web-scale software applications.
- Experience in performance optimization techniques
- High end Troubleshooting and Communication skills.
- Proven experience with software development life cycle (SDLC) and agile/iterative methodologies required
PREFERRED QUALIFICATIONS
- Implementing experience with primary AWS services (EC2, ELB, RDS, Lambda, API Gateway Route53 & S3).
- AWS Solutions Architect Certified
- Experience in programming languages like Java/Python.
- Demonstrated ability to think strategically about business, product, and technical challenges
- Integration of AWS cloud services with on-premise technologies from Microsoft, IBM, Oracle, HP, SAP etc.
- Experience with IT compliance and risk management requirements (eg. security, privacy, SOX, HIPAA etc.).
- Extended travel to customer locations may be required to sell and deliver professional services as needed
● Execute these via designs and high quality implementations in Java and/or Python.
● Work with frontend engineer to clearly demarcate division of responsibilities via REST based interfaces.
● Focus on solutions that deliver non functional requirements around performance, scalability, security, high availability, monitorability, debuggability and other such concerns.
● Evaluate new technologies and build prototypes for continuous improvements
● Very strong real world experience on Java, Springboot, Microservices.
● Advocate best practices and standards
- 3+ years of overall experience
- Understanding about AWS - EC2, S3, RDS etc
- Extensive experience building and refactoring Java applications
- Good work experience with Message Que - Ka a, Rabbit MQ, etc
- Understanding and experience building high-performance, scalable algorithms.
- Understanding of Agile or Kanban / Lean so ware development methodologies- Experience using modern build
tools such as Maven, Jenkins, Github, etc. a plus - Be hands-on, willing to dig in and crank out code.
- Be a learner, able to explore new areas, learn new things, and quickly apply them to solve new problems.
- Be a spark, bring energy, passion and creativity to work every day.
Good to have
- No-sql experience ( dynamo , mongo , Cassandra etc. )
- Datadog or similar monitoring tool
- Docker exposure

Basic Qualifications
Candidates for this role must have:
- Bachelor’s degree in computer science or a related field
- At least three years of experience writing production code of increasing complexity
- Strong understanding of computer science fundamentals, including algorithms, complexity analysis, data structures, problem solving, and object-oriented analysis and design
- Proficiency in at least one of the following: Java, C, C++, C#, Ruby, Scala, Python
- Experience refactoring code and evolving architectures
- Experience crafting unit, integration, functional and regression tests
Preferred Qualifications
- Master’s degree in computer science or a related field
- Experience developing in a Linux environment
- Experience applying service-oriented architecture techniques to production use cases
- Experience in developing secure, multi-platform mobile applications
A backend developer works alongside front-end developers, full stack developers, programmers or UX specialists to create comprehensive digital solutions for business needs. They make sure the website is scalable and that it can still function when hit by large loads—be that traffic or demanding scripts. They are also tasked with
maintaining and testing existing back-end elements to ensure they’re as fast and efficient as possible. Data storage also comes under their remit, which requires them to have a good knowledge of data security and compliance.
Duties and responsibilities:
• Analyses, designs, develops, and codes REST API using NodeJS more programming languages, Web and Rich Internet Applications.
• Supports applications with an understanding of system integration, test planning, scripting, and troubleshooting.
• Assesses the health and performance of software applications and databases.
• Establishes, participates, and maintains relationships with business units, customers and subject matter experts to remain apprised of direction, project status, architectural and technology trends, risks, and functional/integration issues.
• Defines specifications and develop programs, modifies existing programs, prepares test data, and prepares functional specifications.
• Analyses program and application performance using various programming languages, tools and techniques.
• Manage staff of 2-3 & manage microservices of software most effectively and efficiently.
• Reviews project proposals evaluate alternatives, provides estimates and makes recommendations.
• Designs and defines specifications for systems.
• Identifies potential process improvement areas and suggests options and recommends approaches
System Design Concepts:
- Scaling
- API Gateway
- Microservices
- Message Queue
Qualifications:
Graduation - B. Com + IT Certification/ B.Sc. - IT / B.Sc. Comp Sc./ B.Sc. IT/ BE-IT/ BE-Comps
Technical Skills:
Oracle, SQL, Java, Node JS, REST API Debugging.
Soft Skills:
Client Management; Good interpersonal skills; Good Communication
Building highly-scalable and secure payments platform
Primary owners of one or more components of the platform and will drive
innovation in your area of ownership
Working with various product teams gathering requirements and adding capabilities
Working with some of the smartest people in the industry and will have ample
opportunity to learn and grow
Using cutting-edge cryptography to secure payments beyond industry standards
Deriving actionable insights by mining TBs of data
Building low-level infrastructure that aims to push the boundaries of network
performance
Participating actively in recruitment and nurturing of engineers as awesome as you.
What do we look for?
If you spend time cracking NP hard problems rather than cracking nuts, you are the
most laziest person and automates everything, you appreciate beauty of code
(bonus if you can sing “Finite simple group of order 2”), you should apply in t=0
Good understanding of Databases
Good understanding of networking (especially with HTTP)
Good understanding of OS concepts
2-4 years of experience
Should have hands on development experience with Object Oriented Programming
(Java is highly preferred) on a large scale system
Understands and showcase ownership of the products
Good with concepts of scaling and worked with distributed systems
Review and influence new evolving design, architecture, standards and methods
with stability, maintainability and scale in mind
Identify patterns and provide solutions to class of problems
Research, evaluate and socialize new tools, technologies, and techniques to improve
the value of the system
Be able to multi-task, prioritize and handle dependencies with minimal oversight








