Java Developer

About the Role:

We are seeking a highly skilled and motivated individual to join our development team. The ideal candidate will have extensive experience with Node.js, AWS, and MongoDB, and a strong pro-activeness and ownership mindset.

Technical Expertise:

• Architect, design, and develop scalable and efficient backend services using Node.js (Nest.js).
• Design and manage cloud-based infrastructure on AWS, including EC2, ECS, RDS, Lambda, and other services.
• Work with MongoDB to design, implement, and maintain high-performance database solutions.
• Leverage Kafka, Docker and serverless technologies like SST to streamline deployments and infrastructure management.
• Optimize application performance and scalability across the stack.
• Ensure security and compliance standards are met across all development and deployment processes.

Bonus Points:

• Experience with other backend languages like Python and worked on Agentic AI
• Security knowledge and best practices.

Java Developer – Job Description

Wissen Technology is now hiring for a Java Developer - Bangalore 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. - 5-8 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 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.

Job Title: Deployment Lead (Python, Linux, AWS) 

Location: Coimbatore

Overview 

We are seeking an experienced Deployment Lead to oversee the end-to-end deployment lifecycle of our applications and services. The ideal candidate will have deep expertise in Python, strong Linux administration skills, and hands-on experience with AWS cloud infrastructure. You will work closely with engineering, DevOps, QA, and product teams to ensure reliable, repeatable, and scalable deployments across multiple environments. 

Key Responsibilities 

• Lead and manage deployment activities for all application releases across development, staging, and production environments. 
• Develop and maintain deployment automation, scripts, and tools using Python and shell scripting. 
• Own and optimize CI/CD pipelines (e.g., GitHub Actions, Jenkins, GitLab CI, or AWS CodePipeline). 
• Oversee Linux server administration, including configuration, troubleshooting, performance optimization, and security hardening. 
• Design, implement, and maintain AWS infrastructure (EC2, S3, Lambda, IAM, RDS, ECS/EKS, CloudFormation/Terraform). 
• Ensure robust monitoring, logging, and alerting using tools such as CloudWatch, Grafana, Prometheus, or ELK. 
• Collaborate with developers to improve code readiness for deployment and production reliability. 
• Manage environment configurations and ensure consistency and version control across environments. 
• Lead incident response during production issues; conduct root-cause analysis and implement long-term fixes. 
• Establish and enforce best practices for deployment, configuration management, and operational excellence. 

Required Skills & Qualifications 

• 5+ years of experience in deployment engineering, DevOps, or site reliability engineering roles. 
• Strong proficiency in Python for automation and tooling. 
• Advanced experience with Linux systems administration (Ubuntu, CentOS, Amazon Linux). 
• Hands-on work with AWS cloud services and infrastructure-as-code (CloudFormation or Terraform). 
• Experience with containerization technologies such as Docker and orchestration platforms like ECS, EKS, or Kubernetes. 
• Strong understanding of CI/CD tools and automated deployment strategies. 
• Familiarity with networking concepts: DNS, load balancers, VPCs, firewalls, VPN, and routing. 
• Expertise with monitoring, alerting, and logging solutions. 
• Strong problem-solving and analytical skills; able to lead troubleshooting efforts. 
• Excellent communication and leadership abilities. 

• Strong Java programming skills
• Minimum of 5 years practical software development experience
• Robust object-oriented design pattern knowledge and implementation experience using Java;
• Python a plus
• Advanced knowledge and experience developing and working with relational databases such as
• Sybase and MySQL
• Experience with multi-tier application architecture and high performance distributed and in-
• memory caching solutions
• Strong understanding of data modeling techniques
• Strong foundation in SDLC best practices including test driven development, unit testing
• discipline, agile development, and CI/CD strategies

Work With Us

Get To Know Us First!

Freecharge a subsidiary of Axis Bank Limited founded in 2010, is a Fin-Tech organisation revolutionizing Financial Products through technology.

At our core, we’re a creative company. Ideas and pixels is where we live and we love building magical products that make our users feel ‘wow’. At Freecharge, you'll have the chance to do the best work of your life. We’re on a journey to build something new, something different and something innovative & that requires passion to build such incredible products.

Come join us and shape the future of Fin-Tech.

Do You Make The Cut?

We are looking for a motivated developer to join our agile team of developers as a Lead to mentor and as an individual contributor to drive best practices in the product.

You will be responsible for the design, architecture, and delivery of a feature/product with the highest quality. Providing the product with visible benefit to end-users in an iterative fast-paced environment by creating solutions suitable for the job in real-time.

Title: Lead SDE (Backend)

Location: Gurugram

Experience: 3-7 Yrs.

Education: Bachelor’s / Master’s in Software Engineering

Responsibilities

• In this lead role, you will be designing and developing complex software systems that have been successfully delivered to customers.
• Ensure the quality of design of systems by serving as a technical lead on our most demanding, cross-functional teams
• Build reusable code and libraries for future use.
• Build highly available, high performance, scalable software and you will work on distributed systems for massive-scale systems
• Responsible for code quality of the product being developed along with unit and integration testing.
• Mentor junior developers to improve their skills, and make them more effective, product software engineers.
• Communicate with technical teams, and senior management to collect requirements, describe software product features, technical designs, and product strategy.

Sounds Like You?

• 4+ years of software development experience with Enterprise Java (JDK 8 and above), Spring (Boot, MVC, AOP, DI), ORM Frameworks.
• 1+ years of experience contributing to the architecture and design (LLD, HLD, Solid principles and design patterns and scaling) of new and current systems.
• Strong experience in technically leading junior developers with a focus on the goal.
• Strong experience in data structures & algorithms and their space & time complexities.
• Solid understanding of multithreading, microservices, MVC and strong OO skills with demonstrated experience in developing complex and reusable APIs.
• Strong experience working with Databases like SQL & NoSQL.
• Experience working with microservices-based architecture.
• Experience in high traffic, highly scalable distributed system designs, complex web applications, and code reviews.
• Experience working in an Agile environment.
• Solid understanding of the full software development life cycle and the domain.
• Good to have knowledge of messaging systems like SNS/ SQS /Kafka etc.

Life at Freecharge!

Our Playground!

• 450+ FCian’s, at Gurugram & Bengaluru locations
• Collaboration spaces & A flat and transparent culture
• Wow Corners, fun & reading Zone
• Best learning and development opportunities

Benefits

• Day-care facility
• Comprehensive Insurance Policy
• Wellness Benefits like Health check-ins
• 26 Weeks Maternity & 2 Weeks Paternity Leaves
• Adoption Assistance Program
• On-Site Parking at all locations
• A chance to have a big impact early in your career

ARE YOU READY?

TO

#ChargeYourFuture

About Team:

CaratLane's mission is to help customers express their emotions through jewellery. Consumer Experience Technology team is an enabler to deliver the exceptional Consumer Experience and WoW business features in large scale website, apps and backend systems.

What do we want:

* 5 to 8 years of experience in Java and Spring Boot working with large scale backend applications

* Expertise in PostgreSQL and any of caching databases

* Experience in developing RESTful/GraphQL APIs and microservices based applications

* Good problem solving and debugging skills.

* Exposure on event-driven, asynchronous I/O

* Good knowledge of engineering excellence: Unit Testing/TDD, Code quality, Documentation, CI&CD

* Experience in non-functional requirements (Scalability, Performance optimisation, Security)

* Experience is Linux development and AWS ecosystem tools

*forward your resume to (ambikadotj@semperfidotcodotin)(dot - .)

) 2+yrs of strong experience in Java/J2EE technologies (Core Java, Spring, Springboot, Hibernate, 

JPA, Microservices)  

*) Experience with working on Java 8.0 and its emerging road map for 11  

*) Hands on experience in Springboot and good knowledge of MySQL, MongoDB  

*) Hands on experience in working with Angular 6 and above. Experience working with product 

management and UI/UX designers having knowledge of advanced Javascript, JQuery  

*) Working knowledge on components, modules, data/event bindings, templates, using and creating 

directives, writing routes, services, forms and models  

*) Solid understanding of the full frontend and backend development life cycle  

*) Strong experience in Spring Framework (Spring MVC, Spring security, Spring data, OAuth)  

*) Experience with Webservices (SOAP and REST) and API integration. Good knowledge of JSON and 

Swagger and Postman is required  

*) Experience with web application servers like Tomcat, Jetty, JBoss. Knowledge of Kafka with MQTT 

would be an added advantage  

*) Experience with TDD, code testability standards, JUnit  

*) Experience in managing configurations and deploying and hosting applications in AWS  

*) Experience with DevOps tools like Git, Maven, SourceTree, Jenkins, Docker and CICD model of 

development