Technical Consultant - Java

We are looking for a Backend Engineer with strong experience in building scalable, reliable, and high- performance systems. You will work on designing APIs, handling large-scale data, and building robust backend services using Java and Spring Boot.

Principal Duties/Responsibilities

• Design, develop, and maintain backend services and APIs using Java (Spring Boot)
• Build scalable and fault-tolerant systems to handle high traffic and large data volumes
• Design clean and efficient RESTful APIs and service contracts
• Collaborate with frontend, product, and design teams to deliver end-to-end features
• Optimize system performance, latency, and throughput
• Ensure high code quality through testing, code reviews, and best practices
• Debug production issues and ensure system reliability and uptime
• Participate in system design and architectural decisions
• Own services end-to-end, including development, deployment, and monitoring.

Required Skills and Knowledge

• Strong proficiency in Java
• Hands-on experience with Spring Boot / Spring Framework
• Solid understanding of data structures, algorithms, and OOPs concepts
• Experience building and consuming REST APIs
• Strong knowledge of databases:
• Relational (MySQL, PostgreSQL) • Basics of NoSQL (Redis, MongoDB, etc.)
• Understanding of concurrency, multithreading, and JVM internals
• Familiarity with caching strategies (Redis, in-memory caching)
• Experience with Git and version control workflows

Good to Have Experience with deployment strategies:

• Blue-Green deployments
• Canary releases • Rolling deployments
• Exposure to CI/CD pipelines (Jenkins, GitHub Actions, CircleCI, etc.)
• Basic experience with AWS / cloud infrastructure:
• EC2, S3, RDS • Load balancers, auto-scaling
• Experience with Docker and containerization
• Knowledge of microservices architecture and service communication (REST/gRPC, Kafka)
• Familiarity with message queues / streaming systems (Kafka, RabbitMQ)
• Experience with monitoring & observability tools (Prometheus, Grafana, ELK, Datadog)
• Understanding of security best practices (authentication, authorization, OAuth, JWT)

 Required Experience /Qualifications

• 4 years of backend development experience
• BTech / BE Computer Science.

Job Description:

1. Experience in Core Java, Spring Boot.
2. Experience in microservices.
3. Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
4. Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
5. Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
6. Good knowledge of multi-threading
7. Basic working knowledge of Unix/Linux
8. Excellent problem solving and coding skills in Java
9. Strong interpersonal, communication and analytical skills.
10. 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 of a Senior Software Engineer (Backend):

• You will be a guide in the entire application lifecycle including research, design, development, testing (dev owns quality), along with continuous deployment and delivery
• Lead design with a major focus on best user experience, performance, scalability and future expansion
• You will act as a mentor for less-experienced peers through both your technical knowledge and leadership skills to bring in continuous improvements and implement best practices.
• You will apply the latest technology thinking from our tech radar, adopt best design practices to solve complex problems and ensure our product is the best in usability.
• You will work directly with the CEO and the cross functional product teams, align on the needs of the products and operations.
• You will analyze business, technology challenges and suggest solutions
• Build an “Awesome” team

This opportunity is for you if,

• You have 4-6 Years of work experience in building highly-interactive applications using Java, Spring MVC, Spring JMS, Spring JDBC, Spring IOC, Spring Boot, MySQL, MiBatis, ReactJS, Java Script, jQuery, AWS, JMS and have knowledge on wide range of web technologies, tools and Frameworks.
• You have experience in working with Restful webservices
• You have strong knowledge and understanding of design patterns and domain driven design
• You understand fundamental design principles behind building scalable, resilient, and maintainable applications 
• You have functional knowledge of inclusive design: accessibility, and related tooling
• You have consumer web development experience for high-traffic, public facing web applications
• You have knack for writing clean, readable, re-usable code
• You have good knowledge on TDD and CI/CD practices.
• You have experience in managing and publishing releases using Git branching and tools like NPM and YARN.
• You have penchant for learning
• You are a great analytical & logical thinker and someone who loves solving problems
• You are passionate, energetic, enthusiastic and a go-getter
• You are “ FUN @ Work “

What you need to have:

What You'll Do:

• Understand the upcoming development requirement of product in depth.
• Design product architecture as per vision, insights and concurred direction.
• Design and develop the APIs using Java, Spring, and Hibernate required for the product and expose them to be used by the front-end developers.
• Design the database and tables in MySQL/PostGreSQL/NoSQL (whichever is suitable for the need of the product) and guide the team to utilize them in the best possible way.
• Get involved in continuous maintenance of the product and get the bugs fixed in time.
• Coordinate the workflow between the UX Designers and front-end developers.
• Work on integrating flows with external tools - Segment, Branch, Clevertap.

Ideal Profile:

• Proficiency in Core Java & Spring framework.
• Expertise in Web Service technologies.
• Experience in building the architecture as per the product’s need.
• Experience in building REST APIs using Java/Spring.
• Excellent knowledge in Databases and code integrations such as Postgres SQL, SQL Server, MySQL.
• Experience in full life cycle development of a product (specifically mobile products) is a plus.
• Experience with Java/Spring-Boot, Hibernate Cloud Services, AWS.
• Experience with security principles and frameworks.
• Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools (primarily Git).
• Essential skills are Core Java/J2EE, functional aspects, Spring Framework, Tomcat, SVN, Git, Postman/Newman.
• Should have worked in Agile methodologies.
• Good object-oriented and problem-solving skills.
• Strong communication skills along with the ability to work in a highly collaborative environment.

About US: Newbie Soft Solutions is an IT service provider focused on providing solutions in niche areas to support and build future -ready, resilient solutions for medium sized industries and growth-focused technology organizations.

The name NEWBIE signifies a new chapter, a new beginning in the field of staffing solutions. Founded in 2015, we have grown from strength to strength with a strong presence across India, United States and Australia. Our offerings include Staffing Solutions, IT Consulting, Business Intelligence, Security Solutions, Legacy Application Management and Modernization. We value consistency, which is our core principle, to reach the end goal of complete user satisfaction. We constantly strive to outperform our competitors to become the leaders in digital revolution.

• Clear understanding of end to end communication of service calls via API Gateway/Service Mesh/Service Registry
• Experience on Springboot/SpringCloud/Restful Webservices
• Experience in containerisation (Docker) and Kubernetes in terms of creating container images and writing manifest files/helm charts on designing PODs/Side-car patterns etc.
• Good design experience on Web Applications (backend) & since we operate as a DevOps pod we would expect the person be involved in production deployments/support.
• Exposure to usage of CI-CD tools like Git/Jenkins/Maven/Sonar/Junit/CheckMarx/Netsparker/Cucumber