Java Developer

Job Description: Senior Full Stack Java Developer

Timings: 2 p.m – 11 p.m

Employment: Full-time (Hybrid)

Overview: We are hiring two exceptional India-based Lead Developers to work as core members of U.S. based Agile teams. These individuals will own the technical implementation of critical features across customer-facing and associate-facing applications. This is a hands-on technical role, with at least 50% of time spent actively writing code or performing engineering tasks, while also guiding the rest of the team in execution.

Key Responsibilities:

• Serve as the senior technical contributor in a cross-border team focused on Loyalty, Mobile App, CRM, and Customer Pickup.

• Own software design, development, testing, and delivery for cloud-native microservices and web components.

• Lead and guide code reviews, enforce coding standards, and ensure best practices across development.

• Work closely with American product, architecture, and Development Manager teams to break down epics, refine stories, and estimate work. • Mentor India-based junior developers and enforce engineering best practices in a collaborative, remote-first culture.

• Proactively communicate blockers, design decisions, and progress across global teams.

• Write clean, testable, scalable code with strong observability and resilience patterns.

• Integrate with Salesforce, internal APIs, SQL/NoSQL systems, and customer data platforms.

Required Experience & Skills:

• 8-10 years of hands-on development experience.

• Deep expertise in Java, Spring Boot, RESTful API development, SQL (PostgreSQL, SQL Server), and front-end frameworks (React/Angular). • Experience working within an Agile environment alongside U.S.-based product managers, development managers, and designers.

• Strong debugging, troubleshooting, and unit/integration testing skills.

• Familiar with CI/CD pipelines, source control (Git), containerization (Docker), and modern deployment patterns.

• Excellent communication and proactive problem-solving in a remote-first environment.

• Prior experience working in an offshore/onshore model is highly preferred. 

Wissen Technology is hiring for Java Tech lead

Required:

• 8-10 years of industrial experience
• Java and related frameworks.
• Experience in Core Java 1.8 and above, Data Structures, OOPS, Multithreading, Microservices, Spring and Swift Payments
• Exposure on Fintech domain is mandatory
• Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS
• Good knowledge of multi-threading and high volume server side development
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.

Company Profile:

Company Name : Wissen Technology

Group of companies in India : Wissen Technology & Wissen Infotech

Work Location - Bangalore

Website : www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: https://www.linkedin.com/company/wissen-technology

It is an all-in-one ecommerce logistics platform using modern software to provide fast and affordable fulfilment. Brands of all sizes — their full-service solution to store inventory at warehouses near their customers and ship orders with the company carrier network to improve transit times and shipping costs. Their's deep integration with sales channels enables brands to earn primelike badges to accelerate their sales.

Who are we looking for?

We are looking forward to hire a committed Java Developer with experience in building highperforming, scalable, enterprise-grade applications. You will be part of our Engineering team that works on mission-critical applications. You will be managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.

You are required to:

Contributing in all phases of the development lifecycle.

Write well designed, testable & efficient code.

Ensure designs are in compliance with specifications.

Prepare and produce releases of software components.

Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.

Backend: Spring (JAVA), Laravel (PHP), MySQL, NoSQL , NGINX Plus. • Frontend: Angular 5+ Ngrx/store 5. • Infrastructure: Google cloud platform (App engine, CloudSQL, BigQuery, PubSub, Firebase Hosting), Scrapy Cloud, Pusher.io(websockets), Getstream.io, Filestack, Postmark app, AS2 Gateway, Google Cloud Endpoints Framework, MongoDB, Algolia, Memcache

Tools: Gitlab, Postman app, JIRA.

Wondering what your Responsibilities would be?

Technical Skills required Our Current Stack What Makes you Eligible? You are where our search ends, if you hold:

• B.Tech/ M.Tech or corresponding degree
• Experience in the same role of almost 1-6 years
• Experience with connecting backend and frontend services.
• Exposure to consuming data through different interfaces (Web API's/Socket/ REST/ RESTFUL/ JSON/ XML).
• Proficiency in Data Structures and Algorithms.
• Understanding of web markup, including HTML 5, CSS.
• Understanding of client-side scripting and JavaScript frameworks.
• Ability to write clean, reusable and well documented code.
• Proficient understanding of code versioning tools, such as Git. Knowledge of API authentication techniques (Token, JWT, OAuth2) - desirable but not mandatory. (Experience with API Design will be a plus) Fair spoken and written English
• Flexibility - Things change around here. FAST!
• Other Inter-personal skills like self-motivation, persistency, patience and eagerness to learn and work independently.

Why us? We are an amalgamation of enthusiastic and genius people working on a remarkable concept, making headway in this industry. It would not only provide you a scope for professional and personal growth but would also provide you a lot of avenues to experiment with and expertise in your skills. 

We are looking for a Java Developer with minimum 3 to 8 years of experience.

Responsibilities and Duties:

• Java/Java EE application development while providing expertise in the full software development life cycle, from concept and design to testing.
• Contribute to all phases of the development life cycle
• Write well-designed, testable, efficient code
• Ensure designs comply with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review

• 4 year degree or equivalent experience
• 8 to 13 years of software development experience 
• Demonstrates broad and deep expertise in any programming languages(Java, GoLang) and open source frameworks (e.g., Spring Boot, Micronut).
• Designs, develops, and approves end-to-end functionality of a product line, platform, or infrastructure and microservices.
• Must have exposure to at least one cloud product/platform development.
• Working knowledge of any one client side framework like ReactJS or Angular, etc.
• Should have exposure to one or more databases like Cassandra, MongoDB, Graph, Redis, Elastic Search and Postgres.

• Mandatory Skills : Java, Springboot, Microservices.
• Basic knowlege of HTML and CSS
• good understanding of REST API designing as well as development using spring.
• Strong Hands on experience in Angular or React JS
• Effective in using frameworks.
• Proficient understanding of code versioning tools Git/bit bucket with Maven.
• hands on expereince in SQL

• Participate with the senior developer in the entire application lifecycle, designing, coding, testing, debugging to deployment.
• Implementing designs and coordinating the frontend development and required backend for it.
• Work on back-end development tasks and designing the architecture for the same.
• Efficient usage of database technologies such as MySQL, MongoDB, ElasticSearch, Redis etc. as part of the dev work.
• Perform research and find opportunities to utilise web development best practices, form guidelines to improve system productivity, and work on scaling and monitoring.
• Work with cross-functional teams to maintain and make sure the product should be scalable, maintainable and secure.
• Coordinate with multiple junior team members for the development of the tasks & projects.

• Bachelor's degree in Computer Science or related field.
• 3+ years of experience working as a Full-stack developer or Backend but knows Frontend technology.
• Proficiency in Javascript Frameworks like React and thorough knowledge in CSS skills is an added advantage.
• Built an application from scratch earlier.
• Strong fundamental knowledge of any backend language such as Python, Java etc.
• Experience with Backend Web development.
• Strong computer science fundamentals.
• The ability to own end to end responsibility - right from the requirement to release.
• Willingness and enthusiasm drive to learn new technologies.
• The ability to pick the right tools for the job.
• Desire and ability to play different roles as necessary.

• Developing user interface components and implementing them following well-known React.js workflow.
• Architect the application out in clean MVC kind of architectures in ReactNative for Android/iOS app development.
• Developing APIs with MVC frameworks in Java / Python.
• Designing and building REST APIs.
• Building on and maintaining services on cloud platforms.
• Build reusable code and libraries for future use.

• Self-motivated, team player, action-and-results oriented.
• Well organised, good communication and reporting skills.
• Ability to successfully work under tight project deadlines.