Sr. Ruby on Rails Engineer

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. - 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.

Backend Engineer III – Senior Python Developer (LLM & AI)

Location: Gurgaon, India

Positions: 1

Experience: 6 to 9 Years

Gurgaon Hybrid

About the Role

We are seeking an experienced Backend Engineer III / Senior Python Developer to join our AI engineering team and play a critical role in building scalable, secure, and high-performance backend platforms for LLM and AI-driven applications. You will work as a hands-on individual contributor while collaborating closely with Machine Learning Engineers, Data Scientists, Product Managers, and Cloud/DevOps teams to deliver innovative, production-grade AI solutions.

Key Responsibilities

• Design, develop, and maintain scalable backend systems and services using Python to support LLM and AI-based applications
• Build and maintain RESTful APIs and microservices that serve machine learning models and AI components
• Write clean, modular, efficient, and testable code following industry best practices and coding standards
• Participate actively in code reviews, ensuring high quality, security, and maintainability of the codebase
• Debug, profile, and optimize applications to improve performance, reliability, and scalability
• Identify and resolve performance bottlenecks in AI/ML pipelines and backend services
• Collaborate with ML engineers, data scientists, and product teams to translate business and technical requirements into robust backend solutions
• Mentor and support junior developers, promoting a culture of technical excellence and continuous learning
• Design and implement CI/CD pipelines and automate deployment workflows to ensure consistent and reliable releases
• Stay up to date with emerging trends in Python, cloud-native development, and LLM/AI engineering practices and apply them to improve systems and processes

Required Skills & Experience

• 6 to 9 years of strong hands-on experience in Python development
• Solid understanding of Python software design, architecture patterns, and testing best practices
• Proven experience working on AI, Machine Learning, or LLM-based projects
• Strong experience in building and consuming RESTful APIs and microservices architectures
• Hands-on experience with FastAPI, Flask, or similar model-serving frameworks
• Strong debugging, performance profiling, and optimization skills
• Experience with CI/CD tools and workflows (e.g., GitHub Actions, Azure DevOps, Jenkins, etc.)
• Working knowledge of Docker and Kubernetes is a strong plus
• Excellent analytical, problem-solving, and communication skills
• Ability to work independently in a fast-paced, evolving AI/ML environment while mentoring junior team members

Education & Certifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related technical field
• AWS or other relevant cloud certifications are preferred but not mandatory

Why Join Us?

• Work on cutting-edge AI and LLM platforms
• Collaborate with top-tier engineering and data science teams
• Opportunity to influence system architecture and technical direction
• Competitive compensation and career growth opportunities

Roles & Responsibilities:

• In-depth knowledge and hands on experience on IBM FileNet (CPE) and Java/J2EE is mandatory.

• Good understanding of React JS, JavaScript, jQuery, Bootstrap, and front-end languages.

• Understand Project and detailed Scope and seek clarifications where necessary.

• Design, develop, and unit test applications / products.

• Analyze the impact due to changes in code.

• Design algorithms and flowcharts.

• Produce clean, efficient, and re-usable codes based on specifications.

• Run and automate tests to find any errors or bugs.

• Verify and deploy programs and systems.

• Configure, code and test enhancements and modifications to new and existing IBM FileNet applications.

• Proficiency in development and integration with SOAP Webservices, RESTful APIs and Microservices.

• Active Involvement in Development of Utility Job and Batch process associated with FileNet Application is a must.

• Knowledge of WebSphere Application Server, Deploying IBM FileNet, and Java/J2EE Application from lower to higher environments is essential.

• Troubleshoot issues and help define solutions to these issues.

• Displays a strong work ethic and sense of urgency.

• Part of the FileNet Development Team Engaged in active problem solving to identify technical roadblocks and implement solutions that can improve the direction of our application product.

• Key learner and timely update self-skill sets.

• Familiar with the use of code versioning tools such as Bit bucket, GIT or SVN.

• Basic Understanding of S3 Storage, IBM DB2, JIRA tool and Confluence (team workspace) will be an advantage. Education

Job Summary:

As a Back-end Golang Developer, you will play a pivotal role in designing, developing, and maintaining our back-end infrastructure and applications. You will be responsible for crafting scalable, secure, and robust APIs and products that meet our high standards of performance and reliability. Your expertise in Golang and profound understanding of software engineering principles will be critical in building solutions that drive our company's success.

Responsibilities:

● Collaborate with cross-functional teams, including front-end developers, product managers, and designers, to understand project requirements and contribute to technical discussions.

● Design, develop, and implement high-quality Golang-based back-end systems and applications, ensuring scalability, performance, and maintainability.

● Create and maintain APIs that enable seamless integration with various platforms and services.

● Utilize best practices in software development, testing, version control, and deployment to ensure the delivery of top-notch products.

● Optimize existing code and database queries to improve overall system performance and response times.

● Conduct thorough code reviews and provide constructive feedback to team members to maintain code quality and consistency.

● Implement security best practices in Golang development to safeguard sensitive data and prevent security vulnerabilities.

● Proficiently use Goroutines and Channels to handle concurrent operations and enhance system efficiency.

● Employ Go's built-in testing and benchmarking tools to ensure robustness and optimize performance.

● Implement caching strategies and data storage solutions tailored to specific project requirements.

● Develop RESTful APIs adhering to API design principles and standards.

● Implement logging and monitoring systems to facilitate efficient debugging and monitoring of applications.

● Integrate third-party libraries and APIs to enhance application functionality.

● Leverage Go's interfaces and struct composition to build modular and extensible codebases.

● Stay up-to-date with industry trends and advancements in Golang and related technologies, recommending suitable technologies and methodologies to enhance development processes.

● Mentor junior developers, sharing your expertise and providing guidance to help them grow professionally.

Qualifications:

● Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.

● Minimum of 5 years of professional experience in software development, with a focus on back-end development using Golang.

● Proven track record of successfully delivering high-quality APIs and products in a production environment.

● Strong knowledge of Golang and its core libraries, with the ability to write clean, efficient, and maintainable code.

● Experience with Go frameworks and proficiency in building RESTful APIs.

● Extensive experience with various database systems, such as MySQL, PostgreSQL, Graph, or NoSQL databases, and proficiency in writing optimized queries.

● Solid understanding of software architecture principles and design patterns, including microservices architecture.

● Familiarity with cloud computing platforms, such as AWS, GCP, or Azure, and experience deploying applications in a cloud environment.

● Experience with containerization technologies, like Docker and Kubernetes, is a plus.

● Excellent problem-solving skills and the ability to work effectively in a fast-paced, collaborative team environment.

● Strong communication skills, both written and verbal, and the ability to articulate technical concepts to non-technical stakeholders.

Join our dynamic team and help shape the future of our innovative products and APIs with your deep expertise and passion for back-end development in Golang. We offer a competitive salary, a comprehensive benefits package, and a stimulating work environment where your skills and contributions will be highly valued. Apply now and be part of our exciting journey!

About Quantela

We are a technology company that offers outcomes business models. We empower our customers with the right digital infrastructure to deliver greater economic, social, and environmental outcomes for their constituents.

When the company was founded in 2015, we specialized in smart cities technology alone. Today, working with cities and towns; utilities, and public venues, our team of 280+ experts offer a vast array of outcomes business models through technologies like digital advertising, smart lighting, smart traffic, and digitized citizen services.

We pride ourselves on our agility, innovation, and passion to use technology for a higher purpose. Unlike other technology companies, we tailor our offerings (what we can digitize) and the business model (how we partner with our customer to deliver that digitization) to drive measurable impact where our customers need it most. Over the last several months alone, we have served customers to deliver outcomes like increased medical response times to save lives; reduced traffic congestion to keep cities moving and created new revenue streams to tackle societal issues like homelessness.

We are headquartered in Billerica, Massachusetts in the United States with offices across Europe, and Asia.

The company has been recognized with the World Economic Forum’s ‘Technology Pioneers’ award in 2019 and CRN’s IoT Innovation Award in 2020.

For latest news and updates please visit us at www.quantela.com

Overview of the Role

Collaborate with cross-functional teams to define, design and build performant modern web applications and services. Build high quality web applications and services by writing clean and modular code

Must have Skills

• 10+ years of experience in leading teams and delivering product, write unit and integration tests to ensure robustness and reliability of web applications and services. 
• Measure and improve performance of microservices.
• Catalyze growth within the team through code reviews and pair programming to maintain high development standards Investigate operational issues to find the root cause and propose improvements Design, build, and maintain APIs, services, and systems across Stripe’s engineering teams.
• Expert level of experience in design and development of Web Applications, highly scalable distributed systems.
• Should have experience in development skills using latest technologies including NodeJS, Microservices, Elastic search, Timescale DB, Kafka, Redis, etc.
• Should have exposure in NoSQL and SQL development.
• Comprehensive knowledge of physical and logical data modelling, performance tuning.
• Should possess excellent communication, presentation, and interpersonal skills.
• Ability to work collaboratively and productively with globally dispersed teams
• Build high performance teams and Coach team for successful career growth
• Experience working with relational and non-relational databases, query optimization, and designing schema

Desired Background

Bachelors/Masters degree in Computer Science or Computer Applications

Job Description - Intelizest

Back End Engineer

• Work with other engineers to develop and test tools and applications used by team on daily basis
• Play a significant role in the ongoing evolution and refinement of current tools and applications
• Triage, troubleshoot, escalate and provide resolution to production issues.
• Reproduce, document and escalate product defects to the Engineering Team.
• Provide well-thought out and reliable direction, both in technical and non-technical terms, to help customers.
• Take ownership of customer issues, including initial troubleshooting, identification of root cause and issue resolution or escalation.
• Identify and escalate priority issues that need immediate attention.
• Collaborate with cross functional teams which requires strong presentation skills and attention to details
• BA/BS degree in Computer Science or related technical field or equivalent work experience. MS degree is preferred.
• 9+ years development experience in JAVA (using OO Design and Analysis, Design Patterns, etc.)
• High experience in Java 8 Required.
• 4+ years’ experience building highly scalable, distributed and reliable Restful Web Services using Spring, Jersey, etc.
• Should have knowledge on Cloud applications preferably on AWS.
• Knowledge on building Front end applications using JavaScript, AngularJS, HTML5, CSS3.
• Experience with relational DBs like MySQL and NoSQL Database like MongoDB, Solr/Lucene will be a plus.
• Experience with Tomcat, Jax-RS, REST, JPA, IntelliJ, Groovy, Hibernate is must.
• Experience with build technologies like Gradle, Jenkins will be a plus.  
• Experience with Test Driven Development using TestNG/Junit testing frameworks.
• Experience working with version control like GIT.
• Salary commensurate with experience.

• Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team. 
• Prepare and maintain all applications utilizing standard development tools 
• Develop backend data services and contribute to increasing existing APIs 
• Ability to act individually in a complex and fast-paced environment
• Closely work with the Product and QA teams to ensure smooth delivery 
• Participate in solution designing with Tech leads and Systems Architects
• Document the development process, architecture, and standard components
• Coordinate with co-developers and keep project manager well informed of the status of development efforts 
• Keep abreast of new trends and best practices in web development 

• BE/BTech or some equivalent academic stance. 

• 2-5 years’ experience 
• A confident, self-starter, team player with drive, enthusiasm, and excellent interpersonal, communication, and negotiation skills 
• Ability to manage yourself and be a self-starter. 

• Great people skills to closely work with other teams. 
• Strong in establishing systems & processes 
• Expertise in Laravel, MySQL, and Git 
• Thorough in Object-oriented concepts 
• Knowledge of Restful Web services 
• Understanding of web applications
• Working knowledge of one or more caching, queuing systems in desirable
• Familiarity with AngularJs or React is a big plus 
• Excellent problem solving 
• Can-do attitude