Java Developer

Company: BigThinkCode Technologies

URL: https://www.bigthinkcode.com/

Experience required: 3-4 years

Work location: Chennai

Joining time: Immediate – 2 weeks

Work Mode: Work from office / Hybrid

About the Role

We're looking for a skilled Node.js Developer with 3+ years of experience building scalable applications using event-driven architecture within distributed systems. The ideal candidate is comfortable working on high-performance backend services and has a strong understanding of asynchronous programming patterns. Exposure to knowledge embedding and vectorization techniques is a strong plus, especially for modern data-driven or AI-powered systems.

Key Responsibilities

• Design, develop, and maintain server-side applications using Node.js
• Build and optimize scalable, event-driven systems in distributed environments
• Implement asynchronous workflows, message queues, and pub/sub architectures
• Collaborate with cross-functional teams to define and deliver backend solutions

Required Skills

• 3+ years of hands-on experience with Node.js
• Strong understanding of event-driven architecture and non-blocking I/O
• Experience working with distributed systems and microservices architecture
• Proficiency in RESTful API design and implementation
• Experience with databases such as MongoDB, PostgreSQL, or MySQL
• Experience with containerization tools like Docker and orchestration tools like Kubernetes

Good to Have

• Experience with knowledge embedding and vectorization techniques
• Familiarity with vector databases (e.g., Pinecone, Weaviate, FAISS)
• Understanding of cloud platforms (AWS, Azure, or GCP)

Why Join Us:

• Collaborative work environment.
• Exposure to modern tools and scalable application architectures.
• Medical cover for employee and eligible dependents.
• Tax beneficial salary structure.
• Comprehensive leave policy
• Competency development training programs.

Specific Knowledge/Skills

1. 4-6 years of experience
2. Proficiency in Python programming.
3. Basic knowledge of front-end development.
4. Basic knowledge of Data manipulation and analysis libraries
5. Code versioning and collaboration. (Git)
6. Knowledge for Libraries for extracting data from websites.
7. Knowledge of SQL and NoSQL databases
8. Familiarity with RESTful APIs
9. Familiarity with Cloud (Azure /AWS) technologies

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. - 4 to 7 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. 

Java Developers (4-5 positions)

What qualities are we looking for?

• 3 – 8 years of experience in building web applications
• Excellent command over Data Structures & Algorithms
• Exceptional coding skills in an Object-Oriented programming language (Java)
• Strong problem solving and analytical skills

Technical Requirements:

• Working experience on JAVA, Spring Boot. (building web services)
• Working experience in building microservices and distributed systems.
• Working experience on using messaging queues RabbitMQ/Kafka is a plus.
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery,  Angular 5+)
• Excellent knowledge and programming skills in data structures, algorithms.
• Familiarity with databases (e.g. MySQL, MongoDB)
• Proficiency with Git

About Hop:

We are a London, UK based FinTech startup with a subsidiary in India. Hop is working towards building the next generation digital banking platform for seamless and economical currency exchange, with technology at the crux of it. In a technology driven era, many financial services platforms still lack the customer experience and are cumbersome to use. Hop aims at building a ‘state of the art’ tech-centric, customer focused solution.

moneyHOP is India’s first cross-border neo-bank providing millennials the ability to ‘Send’ & ‘Spend’ conveniently and economically across the globe using HOPRemit (An online remittance portal) and HOP app + Card (A multi-currency bank account).

This position is a crucially important position in the firm and the person hired will have the liberty to drive the product and provide direction in line with business needs.

About Individual

Looking for an enthusiastic individual who is passionate about technology and has worked with either a start-up or a blue-chip firm in the past.

The candidate needs to be a multi-tasker, highly self-motivated, self-starter and have the ability to work in a high stress environment. He/she should be tech savvy and willing to embrace new technology comfortably.

Ideally, the candidate should have experience working with the technology stack in the scalable and high growth mobile application software.

General Skills

• 1-2 years of experience in backend development.
• Bachelor's degree in Computer Science, Information Science, or equivalent practical experience.
• Exposure to Behaviour Driven Development and experience in programming and testing.
• Excellent verbal and written communication skills.
• Good time management and organizational skills.
• Dependability
• Accountability and Ownership
• Right attitude and growth mindset
• Trust-worthiness
• Ability to embrace new technologies
• Ability to get work done
• Has good code reviewing skills for conformance.
• Has good software testing skills and good code writing skills.

Technical Skills

• Exposure with back-end programming languages with hands on JAVA, Node JS etc along with Spring framework.
• Database administration and management of a hosting environment such as AWS.
• Sound understanding of relational and non-relational DB systems such as MySQL, Post-gres, MongoDB etc.
• Has experience dealing with JIRA (issue tracking tools), Confluence (knowledge management) tools.
• Experience with building and maintaining microservices.
• Experience with building and integrating the core system with external APIS.
• Good to have: Domain knowledge in the BFSI tech stack.
• Has handled scalability and worked on backend security protocols.
• Has worked on both mobile and web development.
• Has experience and inclination to work on architectural design and review.

Day-to-Day Responsibilities 

1. Contribute in all phases of the software development life cycle.
2. Partake in software and architectural development activities.
3. Conduct software analysis, programming, unit-testing and debugging.
4. Transforming requirements into functional modules.
5. Recommend changes to improve established application processes.
6. Work quickly with a clear bias towards actions and continuous development.
7. Participate in regular code reviews of peers and be open to pairing when necessary.