Sr. Software Developer (Java) (Backend)

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:

1. Explain and communicate the design / development to the customer
2. Perform and evaluate test results against product specifications
3. Break down complex problems into logical components
4. Develop user interfaces business software components
5. Use data models
6. Estimate time and effort required for developing / debugging features / components
7. Perform and evaluate test in the customer or target environment
8. Make quick decisions on technical/project related challenges
9. Manage a Team mentor and handle people related issues in team
10.  Maintain high motivation levels and positive dynamics in the team.
11.  Interface with other teams’ designers and other parallel practices
12.  Set goals for self and team. Provide feedback to team members
13.  Create and articulate impactful technical presentations
14.  Follow high level of business etiquette in emails and other business communication
15.  Drive conference calls with customers addressing customer questions
16.   Proactively ask for and offer help
17.  Ability to work under pressure determine dependencies risks facilitate planning; handling multiple tasks.
18.  Build confidence with customers by meeting the deliverables on time with quality.
19.  Estimate time and effort resources required for developing / debugging features / components
20.  Make on appropriate utilization of Software / Hardware’s.
21.  Strong analytical and problem-solving abilities

Knowledge Examples:

•     Appropriate software programs / modules

1. Functional and technical designing
2. Programming languages – proficient in multiple skill clusters
3. DBMS
4. Operating Systems and software platforms
5. Software Development Life Cycle
6. Agile – Scrum or Kanban Methods
7. Integrated development environment (IDE)
8. Rapid application development (RAD)
9. Modelling technology and languages
10. Interface definition languages (IDL)
11. 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

Java Technical Lead

We are solving complex technical problems in the financial 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.

Experience: 10+ years

Location: Mumbai

Job Description:

• Experience in Core Java, Spring Boot.

• Experience in microservices.

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2

• Good knowledge of multi-threading

• Basic working knowledge of Unix/Linux

• Excellent problem solving and coding skills in Java

• Strong interpersonal, communication and analytical skills.

• Should be able to express their design ideas and thoughts.

About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.

Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.

Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world.

Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.

We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

Responsibilities:

• Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and translate them into technical specifications.

• Design and develop server-side logic, APIs, and database schema to support the functionality and performance requirements of our SaaS platform.

• Write clean, modular, and well-documented code using any relevant programming language preferably Java with SpringBoot.

• Optimize the backend systems for maximum speed and scalability, ensuring high performance and responsiveness of the application.

• Implement data storage solutions using PostgreSQL or other relational databases, ensuring data integrity and security.

• Conduct thorough testing and debugging to identify and resolve any issues or bugs in the backend code.

• Stay up-to-date with emerging technologies, industry trends, and best practices in backend development and contribute to the continuous improvement of our development processes.

Requirements:

• Proven work experience as a Backend Developer or similar role, with a focus on server-side development.

• Proficiency in working with relational databases, particularly PostgreSQL, and writing efficient SQL queries.

• Familiarity with SaaS concepts and architecture.

• Experience with API design and development, including RESTful APIs.

• Solid understanding of software development principles, including object-oriented programming, design patterns, and data structures.

• Experience with version control systems, such as Git.

• Strong problem-solving and analytical skills, with keen attention to detail.

• Excellent communication and teamwork skills, with the ability to collaborate effectively with cross-functional teams.

• Bachelor's degree in Computer Science, Engineering, or a related field is preferred, but not mandatory

Job Description – Java Senior Developer

Job Title: Java – Senior Developer

Location: Hyderabad (Hybrid)

Job Summary: We are looking for a highly skilled Java Developer to join our team and contribute to the design, development, and maintenance of scalable applications. The ideal candidate should have strong hands-on experience in Core and Advanced Java, Spring Boot, Microservices, and cloud platforms like AWS. They must possess excellent problem-solving skills, clean coding practices, and an understanding of RESTful architecture. This role requires proficiency in front-end technologies (Angular/React), database management, and containerization (Docker/Kubernetes) to build high-performance applications.

Key Responsibilities:

• Develop, test, and maintain scalable Java applications with Spring Boot and Microservices architecture.
• Implement OOP principles, design patterns, and clean coding practices to ensure maintainability.
• Work on Spring Security, Spring Data JPA, Hibernate, and ORM frameworks for database management.
• Design and develop RESTful APIs following industry best practices.
• Utilize front-end frameworks (Angular, React, JavaScript, jQuery, HTML, CSS) to build user-friendly interfaces.
• Work with cloud platforms (AWS, Azure, or GCP) and containerization tools like Docker and Kubernetes.
• Optimize application performance by writing efficient, scalable, and secure code.
• Implement CI/CD pipelines and automate deployments using Docker, Kubernetes, or EKS.
• Write unit and integration tests to ensure robust and error-free code.
• Collaborate with cross-functional teams to enhance application functionality and user experience.

Required Qualifications & Skills:

• 5-10 years of hands-on experience in Core and Advanced Java development.
• Strong knowledge of multithreading, exception handling, servlets, and filters.
• Expertise in Object Oriented Design.
• Experience in designing and developing Microservices-based architectures.
• Proficiency in Spring Boot, Spring Security, Spring REST, and Hibernate (JPA).
• Strong SQL scripting skills and knowledge of relational databases (MySQL, SQL Server, Oracle, etc.).
• Hands-on experience with UI frameworks (Angular, React, JavaScript, TypeScript).
• Working experience with cloud platforms (AWS, Azure, or GCP).
• Knowledge of CI/CD pipelines, Docker, Kubernetes (EKS), and RESTful application integration.
• Understanding of OOP, SOLID principles, and clean code best practices.
• Strong problem-solving, analytical, and debugging skills.
• Bachelor's degree in Computer Science, Software Engineering, or a related field.

About TechGrit:

TechGrit is a custom software development services company dedicated to accelerating business growth through high-performing Agile teams. We specialize in delivering diversified and unique solutions across various industries, including ConstructionTech, HealthTech, FinTech, and HighTech. Our team of champion developers works closely with clients to design and develop custom software solutions that meet their business needs.

Our Mission:

To deliver high-quality and cost-effective software solutions that help companies and entrepreneurs achieve their goals and stay ahead of the competition.

Our Vision:

To be the most trusted technology partner for our customers, accelerating their business growth through innovation, reliability, and excellence by best-in-class people.

Our Core Values:

·      Customer Obsession

·      Excellence

·      Innovation

·      Teamwork

·      Integrity

·      Empathy

Join TechGrit and be part of a team that values innovation, excellence, and teamwork. We are committed to creating an inclusive environment where all employees feel valued and respected. If you are passionate and want to contribute to our mission and vision, we would love to hear from you.

Apply only to this link - https://loginext.hire.trakstar.com/jobs/fk0q2so?source=" target="_blank">https://loginext.hire.trakstar.com/jobs/fk0q2so?source=

LogiNext is looking for a technically savvy and experienced senior developer to lead development efforts. You will help the team grow in size and skills, optimizing their code while working on your own. You will design, and develop the products that exceed client expectations in terms of value and benefit. You will collaborate on scalability issues involving access to massive amounts of data and information.

You have hands-on experience in building secure, high-performing and scalable systems in Java. Your design intuition inclines towards usability, elegance and simplicity. You are biased towards open-source tools and existing frameworks. You have successfully shipped applications with beautiful front-end and intelligent backend. You have demonstrated strong interpersonal and communication skills.

Responsibilities

Co-lead end-to-end design and development efforts for high-volume, low-latency applications for real-time event based systems Lead and direct senior software engineers, define software architecture, collaborate with other teams to explore existing systems, determine areas of complexity and potential risks to successful implementation of platform modules and features Deliver high-availability and high-performance platform using microservices architecture Identify bottlenecks and inefficiencies in code, and devise solutions to production and non-production issues Keep an eye out for open source projects and technology trends that can be introduced in the products Transform business functionalities and production specifications into technical requirements and low level design Be hands-on, adopt a practical approach to software and technology Work with product management and other teams to build highly scalable products

Requirements

Bachelor’s degree in Computer Science, Information Technology or a related field 8 to 10 years of design and development experience in scalable and distributed enterprise applications using Java/J2EE, JPA, Spring framework and RESTful web services Excellent coding skills in Java Experience in managing, implementing and optimizing big data stores such as MySQL, MongoDB, Elasticsearch Experience in deploying applications and using various managed services provided by cloud platforms (AWS, Azure) Experience in front-end technologies HTML5, CSS3, jQuery, AngularJS, React and D3.js is preferred Strong foundation in computer science, with strong competencies in data structures, algorithms and software design Proven ability to drive large scale projects with deep understanding of Agile SDLC, high collaboration and leadership

Job Description:

Responsibilities:

• Design and deliver scalable web services, APIs and backend data modules.
• Understand requirements and develop reusable code using design patterns & component architecture and write unit test cases
• Collaborate with product management and engineering teams to elicit and understand the requirements and develop solutions
• Stay current with latest tools, technology ideas and methodologies; share knowledge by clearly articulating results and ideas to key decision makers.

Required Qualifications:

• 6+ years of experience writing multithreaded programs running in Java
• Experience on Java, Spring Boot,, Apache Nifi ,  workingDocker, EKS, Azkaban, Jenkins
• Experience with Git and build tools like Gradle/Maven/SBT.
• Strong understanding of object-oriented design, data structures, algorithms, profiling, and optimization.
• Have elegant, readable, maintainable and extensible code style.
• Experience on AWS is preferable
• Knowledge on top algorithms like sorting, heap/stack, queue, search, etc.
• Familiarity with test-driven development
• Thrive in a fast-paced environment, with ability to deliver code of quality quickly.
• Attention to details. Strong communication and collaboration skills.
• BS in Computer Science or equivalent

• Involved in entire SDLC lifecycle including analysis, development, fixing and monitoring of issues on the assigned product lines.
• Meets and exceeds standards for the quality and timeliness of the work products.
• Implements, unit tests, debugs and leads integrations of complex code.
• Identify opportunities for further enhancements and refinements to best practices, standards and processes.
• Ensure robust, securely accessible, highly available and highly scalable product that meets or exceeds customer and end-user expectations

Experience

Technical Duties & Responsibilities

3 – 6 Years

With 2-4 years of experience in Scalable Architecture development. We are looking for Independent Contributors, who have good understanding of Microservices based architecture, and a comprehensive awareness of various architectures & their suitability as per product requirements: -

• Can solve problems independently, be responsible for the requirement analysis and design implementation of important business modules, and be familiar with the online deployment environment, able to independently analyse and quickly troubleshoot online faults.

• Familiar with JAVA programming principles, understand their advanced features and class libraries, network and server programming, multi-threaded programming, common open source products
• Experience in SOA EIP using Apache Camel Spring Integration

• High quality coding ability, reusability, low coupling, scalability, high performance, maintainability, high security

• Have the architectural design capabilities of modules and subsystems, master common architectural design methods and patterns

• Understand SOA, event-driven, distributed system principles, large-scale network application structure, message middleware, caching, load balancing, clustering technology, data synchronization, NoSQL

• Have the project experience of RabbitMQ or Kafka

• If the candidate has air fare industry experience, might be priority