Java Architect

JOB DESCRIPTION

Experience: 3-8 years

Wissen Technology is now hiring for a Java Developer - Mumbai 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. - 3-8 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.

• Experience in Core Java, CXF, Spring. 
• Experience in spring boot, microservices. 
• Extensive experience in developing enterprise-scale n-tier applications for the financial domain. 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, preferably Sybase database 
• Good knowledge of multi-threading and high volume server side development 
• Experience in sales and trading platforms in investment banking/capital markets 
• Basic working knowledge of Unix/Linux 
• Excellent problem solving and coding skills in Java 
• Strong interpersonal, communication and analytical skills. 
• Should have the ability to express their design ideas and thoughts. 

Job Description: Node.js Developer (3+ Years Experience)

Division/Department: Engineering

Industry: Insurance / Fintech

Employment Type: Full-Time, Permanent

Job Summary

We are looking for a skilled Node.js Developer who is experienced with JavaScript/TypeScript, databases, and modern AI development tools. You will build and maintain backend applications, design scalable systems, and use AI tools to enhance development productivity. The role involves backend development, database management, API development, and cloud deployment.

What You’ll Be Doing

Backend Development

• Build and maintain Node.js applications, services, and APIs.
• Write clean, readable JavaScript/TypeScript code.
• Create and manage REST APIs; work with GraphQL when required.
• Develop microservices and containerized applications (Docker).
• Participate in code reviews and help maintain coding standards.

Database Work

• Design database schemas for PostgreSQL, MongoDB, and Redis.
• Write optimized SQL and NoSQL queries.
• Implement indexing and manage database performance tuning.
• Handle database scaling and caching strategies.

AI Tools & Productivity

• Use AI coding assistants (GitHub Copilot, Cursor AI, Tabnine).
• Integrate AI APIs (OpenAI, Claude) into backend applications.
• Build features powered by AI/ML capabilities.
• Use AI tools to debug and enhance code quality.

Deployment & Operations

• Deploy applications on AWS, Azure, or GCP.
• Set up CI/CD pipelines (GitHub Actions, Jenkins).
• Work with Docker and Kubernetes.
• Monitor backend services and perform troubleshooting.

Job Requirements

Must-Have (2–7 Years Experience)

• Strong hands-on experience with Node.js and Express.js.
• Excellent understanding of JavaScript/TypeScript, ES6+, async/await.
• Experience with at least one major database: PostgreSQL, MongoDB, Redis.
• Knowledge of API development (REST, GraphQL).
• Hands-on experience with Git and version control.
• Experience with testing tools like Jest, Mocha, or similar.

AI Tools Experience

• Familiarity with AI coding assistants.
• Working with AI APIs (OpenAI, Claude, etc.).
• Experience using AI tools for debugging and code optimization.
• Basic understanding of prompt engineering.

Bonus Skills (Good to Have)

• Cloud platforms: AWS, Azure, Google Cloud.
• Docker, Kubernetes.
• CI/CD pipelines.
• Frontend exposure (React/Vue/Angular).
• Message queues: RabbitMQ, Kafka.
• Caching: Redis, Memcached.
• API security: JWT, OAuth2.

Mandatory Skills

Technical

• Experience building and deploying Node.js applications.
• Strong command over databases and efficient query writing.
• Comfort with AI-based coding tools.
• Ability to debug and solve backend issues independently.

Soft Skills

• Strong communication and teamwork skills.
• Self-driven and eager to learn new technologies.
• Ability to mentor junior developers (for senior positions).

Oracle Apex Developer:

• No. of Position: 3
• Budget: 12 - 16 LPA all inclusive depending on experience bracket
• Work Location – For Mumbai candidate it will be Mahape - Navi Mumbai; candidates from Pan India who are not ready to relocate can permanently WFH.
• Joining Time – Immediate to 45 Days
• US Client – Long term logistics domain project
• Opportunity to work with a team of 20+ Apex experts on the latest Apex technologies in the market
• Onsite opportunity for tenured employees

Experience:

• 5-8 years’ experience in Oracle PL SQL & Oracle Apex; (Majority of Oracle Apex experienced required)
• Preferred Education: B. Tech / B. E - Any Specialization, Computers (OR) BCA (AND/OR) MCA                                 

Core Competencies:

• Experience working on Oracle PL/SQL Programming and DB features
• Proficient in Oracle Apex components is a must
• Experience in Javascript, Jquery and CSS
• Knowledge of Page zero concept, shared components, Page rendering & processing, Interactive reports
• Exposure to DBA activities like Table space management, Export/Import etc.
• Experience in Unix Shell scripting
• Exposure to any reporting tool
• Good communication skills
• Ability to take responsibility and handle pressure 
• Ability to think creatively and solve complex problems 
• Self-motivated, fast learner with the ability to operate independently 
• Team player with strong interpersonal skills and a willingness to help others 
• Ability to thrive in a cross-functional team on business-critical projects 
• Intrinsically cares about the quality of work 
• Organized and focused on delivering tasks within defined deadlines

Specific Responsibilities:

• Would work in design, develop, enhance, test and maintain software applications
• Design and develop SQL scripts, stored procedures, packages, parameterized queries and objects using tools like Toad, SQL Developer, Pl/SQL developer
• Build and maintain Application database schema/objects and account for data migration/upgrades across versions
• Identify and automate routine maintenance tasks
• Optimizing DB queries, stored procedures, Data structures, Indexes and DB Normalization.
• Certify all queries written by software developers to ensure optimal execution of the queries
• Research, investigate and evaluate potential database solutions to business problems/requirements
• Write Test cases for developed queries/functions using PLSQL and Quest code tester.

Profile - Software developer

Experience- 2 to 4 years

Skills- ASP.NET, C#, Entity Framework, SQL Server, LINQ, SSRS, Knowledge of HTML, CSS, JavaScript

Job Location - Navi Mumbai

CTC - Based on your valuable experience

JD

1. Developing innovative solutions.

2. Learning the code base and improving your coding skills.

3. Assisting the development manager with all aspects of software design and

coding.

4. Writing and maintaining error-free code.

5. Monitoring the technical performance of Internal systems.

6. Troubleshooting and debugging code.

7. Working closely with developers to improve the product's functionality.

8. Developer's end testing.

9. Should be able to adapt fast-paced work environment

Job Title: Senior Ruby on Rails Developer

Location: Remote (Mumbai Preferred)

Company: OpiGo

About Us:

OpiGo is an early-stage wealth tech start-up that’s changing the way people invest in the stock market. Our platform empowers users to make informed investment decisions through a cutting-edge gamified community.

Job Description:

As the Senior Ruby on Rails Developer at OpiGo, you will play a crucial role in architecting, developing, and maintaining our robust and scalable investing platform. You will work closely with the product team and other stakeholders to drive innovation and deliver exceptional user experiences.

Requirements:

- 5+ years of Ruby on Rails development experience.

- Strong understanding of Ruby programming language and its scope.

- Experience in building complex and scalable web applications.

- Familiarity with front-end technologies: React Native, JavaScript, HTML5, CSS3.

- Proficient in version control systems (e.g., Git, SVN).

- Expertise in relational databases (MySQL, PostgreSQL, etc.).

- Hands-on experience with Sidekiq, Redis, and background job processing systems.

- Ability to implement real-time features using WebSockets and Action Cable.

- Experience in monitoring and performance tuning with tools like New Relic.

- Knowledge of payment gateway integration and secure transaction processing.

- Experience deploying applications on cloud platforms like AWS or Google Cloud.

- Excellent interpersonal, communication, and teamwork skills.

- Understanding of Agile development methodologies and software development practices.

Preferred Qualifications:

1. Experience in the fintech industry or working on financial applications.

2. Knowledge of frontend technologies such as React Native, JavaScript, HTML5, and CSS3.

3. Experience with DevOps practices and CI/CD pipelines.

4. Familiarity with Docker and container orchestration platforms like Kubernetes.

5. Contributions to open-source projects or active participation in the developer community.

Join us in our mission to revolutionize the investing landscape and empower individuals to achieve financial success. If you are passionate about technology, innovation, and making a positive impact, we want to hear from you!

How to Apply:

If you're excited to take on this pivotal role and shape the future of OpiGo, please fill up the form: https://forms.gle/5euWxq1hBfQTDadD6

The Java/Backend Developer is responsible for the development and maintenance of Bytemark’s backend APIs. This person utilizes their knowledge of Java development & web technologies as an integral part of the software development team.

Responsibilities:

• Design, develop, maintain, and deliver highly scalable and reliable APIs
• Collaborate with development team and product owners to analyze, design, and implement user stories using an agile methodology.
• Write high-quality software code that complies with design specifications and meets development and support requirements.
• Develop unit tests and test changes using an agile methodology.
• Use a variety of tools to perform unit testing, automated builds, and source control.
• Participate as a member in Agile teams, and work with other team member to review user stories, estimate effort for user stories, and participate in sprint reviews.
• Maintaining current web and back-end features
• Learning new skills and technologies as company products and industry standards warrant

Required Skills:

• 2-6 years of experience building RESTful APIs
• 2+ year of hands-on Java experience using Play 1.x framework
• Knowledge of Spring or Grails frameworks is a plus
• Ability to write SQL.
• Understanding of OOP
• Experience with Test Driven Development (TDD) using JUnit, Selenium or a similar technology
• Basic knowledge of Unix
• Excellent verbal, written, and interpersonal communication skills
• 3-8 years of software development experience
• Undergraduate degree in the field of computer science or equivalent
• Able to handle multiple tasks in a fast paced environment