Fullstack developer

Location: Bangalore

Experience: 5 to 10 years

Joiners: Immediate / Notice Period < 30 days

Company: Wissen Technology

🔍 Job Overview:

We are looking for a passionate and skilled Fullstack Developer with strong backend expertise in Java and advanced frontend proficiency in React, JavaScript, and TypeScript. The ideal candidate will have a deep understanding of core computer science concepts like Multithreading, Collections, and Immutability, and should be highly proficient in building scalable, maintainable systems.

🛠️ Key Responsibilities:

• Design and develop robust, scalable backend systems using Java (preferably Java 8 or higher).
• Build interactive, high-performance UIs using React.js, JavaScript, and TypeScript.
• Implement complex business logic with clean and maintainable code.
• Write efficient, thread-safe code utilizing Multithreading, HashMaps, HashSets, and Collections.
• Work with iterators and immutability principles to build reliable data flows.
• Collaborate with product managers, designers, and QA teams in an Agile environment.
• Troubleshoot and debug production issues as needed.

✅ Must-Have Skills:

• Strong programming experience in Core Java, Multithreading, and Java Collections Framework.
• Solid knowledge of React.js, JavaScript (ES6+), and TypeScript.
• Hands-on with HashMap, HashSet, Iterators, and Immutable Data Structures.
• Experience working with REST APIs, Spring Boot, and microservice architectures.
• Familiarity with version control systems like Git and CI/CD pipelines.
• Strong problem-solving and analytical skills.

💼 Good to Have:

• Exposure to cloud platforms (AWS, GCP, Azure).
• Experience with state management tools like Redux or Context API.
• Knowledge of performance optimization and memory management in JavaScript.

PHP Developer | App Ringer 

We are looking for a skilled and experienced PHP Laravel Developer to join our team.

Developer to join our back-end development team. In this role, you will be responsible for developing and implementing backend components using PHP concepts and Laravel. You will also be responsible for profiling and improving backend performance and documenting our backend codebase.

 Responsibilities:

• Meeting with the development team to discuss backend applications. 
• Developing and implementing highly responsive user interface components using react concepts.
• Writing backend code using PHP workflows.
• Wordpress knowledge is a plus.
• Developing and implementing backend architecture to build scalable systems and applications.
• Monitoring and improving back-end performance.
• Documenting backend changes and developing updates.

Requirements:

• You have at-least 3 years of experience crafting robust, high-scale, distributed systems in         production environments. 
• You are passionate about leading initiatives and collaborating across Data Science, Design, Engineering and Product teams. 
• You are a strong coder with an eye for using the right algorithms and data structures for the problem at hand. 
• Ability to troubleshoot issues in a large distributed infrastructure. 
• You are proficient with RESTful API design and implementation using PHP. 
• Proficiency in relational (MySQL, Cloud Spanner etc.) and non-relational (Google Cloud Firestore etc.) databases.
• Excellent troubleshooting skills.
• Good project management skills.

Requirement :- Java Tech Lead (with knowledge of Angular)

• 5+ years of experience into Java 6/7/8, J2EE, EJB, Servlets, JSP, JDBC, LOG4J, JSON, XML
• 3+ years of experience in Spring Boot, Sprint Rest, Spring MVC.
• 5+ years of experience in REST, Micro service Development
• Knowledge of Design Patterns (Good to Have).
• Proven Experience in building complex web systems that have been successfully delivered to customers
• Experience in writing SQL-queries and knowledge of PL/SQL
• Experience in working with databases Oracle 10g, 11g, Postgres, Cassandra etc
• Exposure/Experience in working/setting up CI and CD environments (DevOps).
• Knowledge of development lifecycle, standards, approaches, utilities and environment: shells, version control systems, IDEs, project assembling tools;

Responsibilities:

• Participate in requirement, design, implementation, testing and support of custom banking solutions, which include features enhancements, new functionalities, and back-end systems integration.
• Define and manage resource plan together with the Project Manager aligning to the project schedule.
• Plan and drive the project's technical execution to achieve the committed scope and timeline.
• Monitor and report technical execution progress as well as all technical issues, risk or mitigation plan in a timely manner.
• Ability to coordinate multi-teams (e.g. customers, internal functional and technical SMEs), to understand business requirements, technical design and preparing of technical specifications.
• Assist in estimation of efforts and timescales for tasks delegated to the team.
• Contribute to design/code reviews for quality assurance and conformance to Company standards / guidelines.
• Hands-on participate in development and bugs fixing.
• Commit to continuous improvement and refinement of delivery.
• Strong technical knowledge and skills, consistently provide technical guidance and develop team members.
• Responsible for forward resource management, team building and staff career growth.

Requirements:

• Degree in Computer Sciences / Software Engineering / Information Technology.
• At least 5 years of working experience in Java EE development (preferably in the financial industry).
• Individual that is optimistic, proactive, good initiative, passionate, strives to achieve more as a team, and is able to motivate others.
• Understand design documentation standards such as Unified Modelling Language.
• Experience in various Java EE frameworks and design patterns. Preferably on Micro services architecture.
• Exposure in Java MVC frameworks such as Spring Boot.

Role : Full-time 

Remote / work from home 

Interested, kindly respond with the following : 

Total relevant years of experience : :

CTC:

ECTC : 

Notice Period:

• The ideal candidate will have experience in development teams that work on business facing transactional systems.
• They will have demonstrated the ability to manage people, make architectural decisions, understand business
• processes to deliver the cleanest solutions.
• Share responsibility for implementing the firms accounting platforms. Partner with 3 rd parties (like Consulting Firms)
• and develop technical specifications.
• Share responsibility for availability, scalability, performance and capacity from development through production
• for a critical strategic build of the new accounting platform
• Reduce errors on deployments, improve reliability, and increase speed of implementation through automation
• Continuously refine and improve our toolset to improve our data and persistence layers

• 7+ years of experience in IT including some experience in architecture roles
• Experience building multi-tier, scalable, fault-tolerant web applications
• Experience with platform integrations and designing service APIs
• Extensive Service-Oriented Architecture patterns and design knowledge and familiarity with cloud based services
• Expertise with identity management, authentication and information security best practices
• Expertise in working with complex cross-domain applications in a global organization across multiple time zones
• Enjoys a fast paced, high-intensity and complex environment, troubleshooting time sensitive critical issues and working with people
• Extensive experience with multi-tier transactional architecture and design
• Extensive experience in enterprise software development in Java and web development stacks (Angular, NodeJS, HTML &amp; CSS)
• Experience with Sybase, Cassandra
• Event / Stream processing technologies
• Experience using Agile methodologies – previous experience working from a backlog, sprints, retrospectives etc.
• Passionate about test driven, clean code, automatically tested and continuous deployment
• Excellent analytical and problem-solving skills
• Strong interpersonal skills with ability to present and convey ideas
• Strong attention to detail; action-oriented attitude, and willingness to roll up sleeves
• Curious to explore emerging technologies and learn new things
• Use metrics to drive decision making
• Undergraduate degree in Computer Science or similar discipline, Masters degree preferred
• Experience in the financial services industry is preferred                                                                                                                         

Who should not apply for this job

• If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
• If you never read books
• If you jump companies every 11-12 months
• If you are not comfortable working on Saturdays
• If you have less than 2 years of experience
• If you have more than 4 years of experience

At this position you will:

• Get solid experience with high-load distributed architecture using REST and High load services.
• Work with automated CI/CD processes, AWS cloud, and VoIP.
• Implement and support microservices based on Elasticsearch, Mongo, and frontend.

Key-Skills Required:

Node.js  | Express  | REST Api   | Javascript  | Redux-Saga |   MongoDB | Web security TLS/SSL | Web Sockets |   Promises & Call-backs | Database & Data structures |   Redis | Elasticseach | React.Js

Key Deliverables: 

• New feature design and implementation, Bug fixing, testing and performance tuning.
• Work on the API and Engines.
• Code deployment on cloud & maintenance of the same.
• Take complete ownership of a product/feature from setup to deployment.
• Time-bound feature delivery & updating.
• Cost-saving using efficient & effective technologies

Role and Responsibilities: 

• Work on back-end (+ frontend integration) development of core scripts using NodeJS / MongoDB /Express /Redux, and Redis.
• Manage Key-value based databases like Redis.
• Active participation in the development of a sophisticated platform as one of the leading developers.
• Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular, and database level.
• Respond promptly and professionally to bug reports. 
• Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
• Coding and programming using Object-Oriented Programming, Data Structure and Algorithms, architecture/ design and build RESTful API.
• Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
• Knows one or more of Wireframes/ Prototyping/ Functional Documentation of business.

4-10 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on performance/delivery schedule)

(We do ZERO deductions since the salary will be paid from US/Singapore)