Location: Hyderabad, India
Nisum is a leading global digital commerce firm headquartered in California, with services spanning digital strategy and transformation, insights and analytics, blockchain, business agility, and custom software development. Founded in 2000 with the customer-centric motto “Building Success Together®,” Nisum has grown to over 1,400 professionals across the United States, Chile, India, and Pakistan. A preferred advisor to leading Fortune 500 brands, Nisum enables clients to achieve direct business growth by building the advanced technology they need to reach end customers in today’s world, with immersive and seamless experiences across digital and physical channels.
What You’ll Do
Coding in Java8, Spring, Microservices, WebFlux/Reactive Programing, Rest services, Kafka, PCF, Azure, Spring Cloud Config and NoSQL technologies.
Solve technical problems using cutting-edge technologies and best practices.
Ensure code meets the required development standards and is optimized for performance.
Unit testing for each line of new code introduced (JUnit/Mockito)
Peer code review process using GIT pull requests and Crucible (for SVN)
Propose multiple solutions to a problem, show how one option is better than another.
Ensure all aspects of technical design are correctly incorporated.
Contribute in research and implementing POC’s as required.
Collaborating with onsite team in scrum ceremonies.
Who you are
Senior developer using technical skills in Java8, J2EE, Spring boot(rest services), Web Services(Rest & SOAP), WebFlux, Spring Cloud Config, Maven/Gradle, JUNIT/TestNG, Mockito/JMock/EasyMock, JIRA, XML, JSON, EhCache/MemCache/Redis with skills in JMS, Kafka
Experience with hands on any one of the cloud platforms like PCF, Azure
Need hands on skills using NoSQL databases (Cassandra, MongoDB), SQL(Oracle/DB2/MySQL)
Experience with UI development skills to the level of debugging and enhancements.
Experience with expertise in code quality and coding standards.
Need to applying different design patterns, especially GoF, J2EE and Integration design patterns.
Making sure implementing unit testing for each line of new code introduced (JUnit/Mockito).
Ensuring the code meets the required development standards and is optimized for performance.
Education
Bachelor’s / Master’s degree in specific technical fields like computer science, math, statistics preferred; or equivalent practical experience.

About Nisum Technologies
About
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Job Title : Senior Software Engineer
Location : Gurugram (Full-time)
Job Description :
- We are looking for a skilled and experienced Java Engineer to join our dynamic team.
- The ideal candidate will have 4 to 10 Years of hands-on experience in software development, with a proven experience as Java Developer with a strong focus on Spring and Spring Boot, Relational Databases and AWS technologies.
- Strong understanding of monolithic & microservices architecture. You will play a crucial role in designing, developing, and maintaining our applications.
- Ensuring their performance, quality and responsiveness.
Key Responsibilities :
● Design, develop, and maintain scalable applications using Java, Spring and Spring Boot.
● Develop and manage relational databases. Should be able to write complex SQL queries.
● Ensure the best possible performance, quality, and responsiveness of the applications.
● Have strong debugging skills to identify bottlenecks and bugs, and devise solutions to mitigate and address these issues.
● Deploy, manage, and scale applications on AWS.
● Conduct code reviews and integration testing to ensure software quality and reliability.
● Collaborate with front-end developers to integrate user-facing elements with server-side logic.
● Collaborate with cross-functional teams to define, design, and ship new features.
● Stay updated with emerging technologies and industry trends.
Qualifications :
● Bachelor’s degree in Computer Science, Information Technology, or a related field.
● 4 to 10 Years of experience in software development.
● Proficient in Java 8+, Spring and Spring Boot.
● Experience with PostgreSQL, MySQL or other relational databases.
● Experience with microservices architecture.
● Understanding of Rest API design and development.
● Hands on experience with Unit Testing frameworks such as Junit, Mockito.
● Experience with version control systems such as Git.
● Solid understanding of object-oriented programming.
● Strong problem-solving skills and attention to detail.
● Excellent communication and teamwork skills.
Preferred Qualifications :
● Strong knowledge of AWS services and best practices.
● Knowledge of containerization technologies like Docker and Kubernetes.
● Familiarity with CI/CD pipelines and DevOps practices.




Responsibilities:
- Spearheaded building of the new transformation backend platform from 0 to 1
- Design the software for all its stakeholders - its end-users, developers, technical and product support, and DevOps.
- Evaluate technical/architectural options and tradeoffs.
- Implement proof-of-concepts. Hands-on.
- Create a solutions/design pattern library for similar problems and advocate for them.
- Provide technical leadership and guide development teams.
- Set up best practices for design, coding, testing, security, monitoring, and release management.
- Interface with cloud, and customers' technical teams.
- Measuring and constantly improving developer productivity.
- Work with product managers to build application extensibility into design.
- Occasional project management is when a project is more technical-focused.
- Occasional people management in the absence of other senior leaders.
Requirements:
- Experience in backend multiple stacks like Python, Golang, and Node.
- Proven experience with full development life cycle for large-scale software products.
- Clear communication, decision-making, understanding, and explaining trade-offs.
- Engineering best practices - code quality, testability, security, and release management.
- Good knowledge of performance, scalability, software architecture, and networking.
- Capacity to think in abstract and also obsess about details.
- Experience designing microservices architecture.
- Strong bent on engineering culture and focused on improving the developer experience.
- Self-managed and motivated.
- Capacity to break complex problems and work on abstract problems.
Essential Responsibilities:
Demonstrate the understanding of Agile software development life cycle and distinguish the core inputs and outputs in each cycle.
Work closely with your peers and keep engaging in a fast pace technical design and development team
Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals
Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy
Maintain code quality through best practices, unit testing and code quality automation
Demonstrate the ability to make informed technology choices after due diligence and impact assessment
Help in designing interfaces and information exchange between modules
Articulate the need for scalability and understand the importance of improving quality through testing.
Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project
Drive design reviews, define interfaces between code modules, and apply existing technology to designs
Be an expert in assessing application performance and optimizing/improving it through design and best coding practices
Desired Skills:
Java, Spring,Microservices
Sr Java Developer
Experience: 5+ Years
Location: Navi Mumbai, CBD Belapur
Domain: Banking (Payment Aggregators Project)
Work Schedule: 1st and 3rd Saturdays required, as per banking norms
Education: B.E. or Graduation in Computer Science or related field
Budget- 15 Lacs max fixed
Initial document check list before sharing the profiles.
Education
- 10th Passing Certificate
- 10th Mark Sheet
- 12th Mark Sheet
- 12th Passing Certificate
- Convocation Certificate (Mandatory)
- PG (if completed) Degree Certificate & Passing Certificate
Employment
- Previous Organization’s Offer Letter
- Previous Organization’s Appointment Letter
- Previous Organization’s Experience Letter
- Resignation Acceptance Mail from Previous Organization
JOB DESCRIPTION
Key Responsibilities:
Application Development: Design, develop, and maintain robust applications using Java, Spring, Spring Boot, Microservices, Hibernate, REST API, and Oracle SQL.
Spring Validation & Security: Implement input validation and manage secure access to resources using Spring Security.
Collaboration: Work hand-in-hand with cross-functional teams to define, design, and deliver innovative features.
Performance Optimization: Ensure peak performance, quality, and responsiveness of applications.
Problem Solving: Identify bottlenecks and bugs, and craft effective solutions.
Code Quality: Maintain high standards of code quality, organization, and automation.
Skills and Qualifications:
Experience: 5+ years in Java development.
Technical Proficiency: Expert in Java, Spring, Spring Boot, Microservices, Hibernate, REST API, Oracle SQL, and Spring Security.
Banking Domain Knowledge: Experience in payment gateway projects is a plus.
Design Patterns: Strong understanding of object-oriented programming and design patterns.
Problem Solver: Excellent analytical skills and ability to thrive in a fast-paced environment.
- 5-8 years of experience as a Java/J2EE developer.
- 1-3 years of experience with Angular / React is desirable.
- 1-3 years of experience in using Spring and Spring Boot frameworks.
- Thorough knowledge of server-side development.
- Proven experience as a Full Stack Developer or similar role.
- Good understanding of web services (WSDL SOAP, RESTful).
- Hands-on experience in using Application Servers like WebSphere.
- Expertise in relational databases (Oracle, SQL Server).
- E-commerce domain knowledge is desirable.
- Prior experience in developing desktop and mobile applications.
- Familiarity with common stacks.
- Knowledge of multiple frontend languages and libraries, like HTML/ CSS, JavaScript, XML, jQuery.
- Experience in implementation of Microservices
- Experience with AWS (S3, SQS, SNS, ECS, EC2, ALB, API Gateway, Lambda, etc.) is highly desirable
- Good understanding of Docker & Kubernetes is highly desired.
- Familiarity with databases (MySQL, MongoDB, PostgresSQL), web servers (Apache), and UI/UX designs.
Roles and Responsibilities
What you will do:
- Playing a part in defining software architectures – collaborate with leads to explore existing systems, determine areas of complexity, uncover potential risks to successful implementation, and learn the applications’ capabilities.
- Implementing solutions as per technical design for new features and changes to existing components.
- Participating in the full development lifecycle of new functionality and enhancements to existing applications.
- Committing to producing high quality, highly performing and robust software within agreed time estimates and to agreed quality standards.
- Managing all stakeholder expectations.
- Working alongside global teams.
- Taking responsibility for successful delivery.
- Being able to work in a fast paced Agile/SCRUM environment.
- Following coding standards, building appropriate unit tests, integrating tests and deployment scripts.
- Assisting in defining software architectures – Collaborating with leads to explore existing systems, determining areas of opportunities.
- Translating designs and style guides provided by the Design team into functional user interfaces, ensuring cross browser compatibility and performance.
- Contributing to continual improvement by suggesting improvements to user interface, software architecture or new technologies.
- Collaborating with the product team to understand the requirement
- Managing Design and development of the product
- Ensuring code quality, security and extensibility
- Following the agile development cycles
- Conducting performance tests and optimization of the code based on the results.
- Debugging and troubleshooting of technical issues
- Helping the support team to resolve external user issues
Desired Candidate Profile
What you need to have:- B.Tech /B.E.; M.Tech; MCA
- Strong at OOPS, Java/ J2EE, JAX-RS, JDBC, RESTful Web Services, Data Structures, Queues, Multi-Threading etc.
- MySQL and Mongo database knowledge
- Basic understanding of AWS Cloud
- Must have worked on highly scalable and available systems
- Good at adapting and understanding architecture and overall design of the system
- Exposure to design patterns is a plus
- Must have exposure to agile development
- Experience of creating and maintaining system documentation such as architecture, design, deployment plan etc.
- The candidate must have excellent technical skills and must be willing to learn
- new technologies on the go.
- Good at communication
- Good Exposure to Kafka and Redis
EXPERIENCE: 7 to 9 years in Java 2 Enterprise server side development. Must have applied knowledge of design patterns needed for building REST APIs and services for performance and scale.
SKILLS:
- Problem Solving and application of Object Oriented principles to development
- REST API development using Java, JAX-RPC,
- Server side development using Java, Spring Boot, Node.js
- Concurrent programming with Java
- Database programming in SQL with Oracle, MySQL or other RDBMs.
- Deployment to AWS and Kubernetes and building with Maven
- Affinity towards server side development
- Ability to understand existing code and re-engineer/re-factor/redesign.
- Written and spoken English communication and articulation.
NICE TO HAVE:
- Working knowledge of GO Lang and Python scripting
- AWS Certifications
- Working knowledge of Elastic Search based persistence and search
- Secure coding practices
EDUCATION: Bachelor or Master's degree in Computer Science, Software Engineering or Information Technology or related disciplines.

