

www.opcito.com
Job Description:
We are seeking a dedicated Golang Developer with 2+ years of experience to join our growing company. You will collaborate with other technical staff to deliver and maintain a fully functional software implementation. We hope you can put your passion for software engineering to work to create highly immersive user applications.
Required Skills:
• 2 - 7 years of Industry experience in the relevant domain.
• Good working knowledge of distributed systems and de-coupled architecture.
• Working knowledge of Container technologies: Kubernetes (preferred), Docker, etc.
• Working knowledge of VMware VCenter, VMware ESXi and VM management.
• Self-motivated, with ability and interest in learning new technologies and adapting quickly to new requirements.
• Good team player with a great attitude to learn.
• Ability to iterate fast in an agile environment.
• Strong analytical and problem-solving skills.
• Strong interpersonal skills - must be able to work effectively as part of a project/ program team and foster team cooperation.
• Must be able to effectively communicate technical information to both technical and non-technical personnel
Responsibilities:
• Design and Development of NSX-ALB's Upgrade and Gslb Infrastructure projects by adhering to the cloud and distributed networks' native design principles.
• Develop software for scale that would be deployed at different types of cloud infrastructures.
• Take ownership of your design and development activity by resolving bugs found in unit testing, system testing and customer deployments.
• Develop multi-cluster/multi-cloud workflows and define industry roadmaps for adoption.
• Develop low latency and high-performance solutions with fully automated test suites.
• Code in Golang for most of your day with a working knowledge of Python.
• Adaptability and multi-language proficiency (shell, Python, Golang)
Why should you join Opcito?
We are a dynamic company that believes in designing transformation solutions for our customers with our ability to unify quality, reliability, and cost-effectiveness at any scale. Our core work culture focuses on adding material value to client products by leveraging best practices in DevOps like continuous integration, continuous delivery, and automation, coupled with disruptive technologies like cloud, containers, serverless computing, and microservice-based architectures.
Here are some of the perks of working with Opcito:
- Outstanding career development and learning opportunities
- Competitive compensation depending on experience and skill
- Friendly team and enjoyable work environment
- Flexible working schedule (Hybrid Work Model: 3 days WFO and 2 days WFH)
- Corporate and social events.

About Opcito Technologies
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Job Summary:
Java developer will be responsible for many duties throughout the development lifecycle of applications, from concept and design right through to testing.
Duties/Responsibilities:
- To support and maintain existing Java code base, debug the application
- To analyse user and business requirements and design and implement appropriate solutions
- To design and code programs following in-house standards and good design principles
- To ensure that all programs are documented to the company standards
- To create unit test plans and perform unit testing of the programs
- To provide advice and guidance to other members of the team
Required Skills/Abilities:
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns
- Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience in RESTFul webservices
- Experience with test-driven development
- Exposure to portal/mobility development - Desired
- Exposure to any of middleware solutions like MQ, Oracle fusion middleware(WebLogic), WebSphere, Open Source

What you will do?
Project Management
- Work with the product management team to create an engineering roadmap that aligns with the product roadmap.
- Translate engineering roadmap into executable internal projects, and own the end-to-end execution of these projects.
- Plan, execute and deliver projects as per schedule, content, and quality metrics.
- Manage the day-to-day activities of the engineering team using Agile practices.
- Keep stakeholders continually updated on the progress of projects and operations.
- Track and report engineering health metrics (such as bugs by severity, production incidents etc.)
People Management
- Hire and mentor a team of engineers
- Manage learning and development, and performance of your team.
- Own, Conceptualize and Build a tech-focused team
Technical Work
- Core stakeholder to all technical design and architecture of team.
- Review code, test plans, and deployment plans.
- Focus and Strengthen all aspects of reliability
What we look for?
Must Haves
- Experience in telecom messaging software systems.
- Experience in distributed and scalable systems.
- Communication skills - excellent written and oral communication to present complex ideas/concepts in a clear and concise manner; communicating with key stakeholders with work/project progress.
Good to Have
- Experience in telecom messaging software systems.
- Experience in distributed and scalable systems.
- Communication skills - excellent written and oral communication to present complex ideas/concepts in a clear and concise manner; communicating with key stakeholders with work/project progress

Position Overview:
We seek a talented and experienced professional to serve as the Head of Engineering and a Senior Backend Developer with expertise in Go (Golang). In this dual role, you will lead our engineering team and contribute hands-on to developing our B2B SaaS platform, which aims to revolutionize blue-collar worker training in India. You will work closely with cross-functional teams, set engineering standards, and ensure the successful execution of our technology initiatives.
As Head of Engineering:
- Oversee the recruitment, mentoring, and performance management of engineering team members.
- Define and maintain engineering best practices, coding standards, and development methodologies.
- Manage project timelines, resources, and budgets
- Foster a culture of innovation, collaboration, and continuous improvement within the engineering team.
- Drive technical decisions and architecture discussions to ensure scalability, security, and maintainability.
As Senior Backend Developer (Go):
- Design the architecture and implement high-performance, scalable, and reliable backend services in Go.
- Write clean, maintainable, and efficient code while ensuring the security and integrity of the platform.
- Optimize and fine-tune the backend components for maximum speed and scalability.
- Develop and maintain RESTful APIs for seamless integration with frontend and external systems.
- Implement asynchronous programming and event-driven architecture for handling concurrent requests efficiently.
- Work on data modelling and integration with databases for data storage and retrieval.
- Write unit tests and perform code reviews to maintain code quality and ensure robustness.
Job Description:
Minimum 3+ years of experience
Java, OOPS, Data structure, Design Patterns, Multithreading, Spring, Hibernate, Java Script based technology, knowledge of J2EE, PL - SQL..
Core Java Topics including Language Features, Architecture.
OOP Concepts in depth with real time scenarios
Understandings of special Keywords and their applicability as well as advantages and
disadvantages - Like static, final, this, super etc. static should be in depth
Singleton class, Serialization, Cloning, Anonymous Inner class concepts.
In depth concept of Dynamic and static polymorphism & Multiple Inheritance issue/ resolve.
Concepts on String, Exception Handling, Array etc.
Java SE 8 and 9 Features: Functional Inheritance, Lambda Expression, default and static method
etc.
Collection Classes in detail along with the internal data structure and working principle.
Multithreading concept. Concept on ConcurrentHashMap etc.
Analysis of Algorithm - Time Complexity – Big O Calculation
Code Optimizing techniques, Different Algorithm designs and strategies.
Design patterns in Java
Different Sorting & Searching Algo with their Time complexity analysis
Problem solving using Hackerrank or similar sites, with focus on Arrays, Linked Lists, Hash Maps,
Trees, Balanced Trees, Stacks, Queues, Strings , Big Number , Data Structures, Object Oriented
Programming
Exception Handling – Advanced, Sorting, Search, Recursion, Graph Theory.
Note: Core Java + PL/SQL (Unix will be add on)



• Should have a B.Tech / M.Tech / MCA in CS / IT / IS from premier college with 6+
years of experience in software development.
• Strong OOPS and OOD Fundamentals.
• E-commerce domain experience of 2-3 Years is mandatory.
• Good Coding, Problem Solving Skills, algorithms and data structures.
• Knowledge of My SQL database or any other RDBMS with a good understanding of
SQL language.
• Prior experience in web technologies is a plus.
• Ability to work on UNIX / Linux platform.
• Good Communication & Interpersonal Skills.
Job Description :
• You will be involved in all phases of development : architecture & design,
prototyping, implementation & testing, analysis & documentation, deployment.
• Capable of independent full systems design, including requirements gathering,
specifications, and coding.
• Knowledge in performance, scalability, enterprise system architecture, and
engineering best practices.
• Take the product/feature idea from the conceptualization phase to delivery with all
the relevant high-quality artifacts during the cycle.
• Flexibility and collaboration, coupled with strong object-oriented design & software
development skills are keys to success in this position.

Description:
For over 10 years, Zscaler has been disrupting and transforming the security industry. Our 100% purpose-built cloud platform delivers the entire gateway security stack as a service through 150 global data centers to securely connect users to their applications, regardless of device, location, or network in over 185 countries protecting over 3,900 companies and have detected 100 Million threats/day.
We work in a fast-paced, dynamic and make it happen culture. Our people are some of the brightest and passionate in the industry that thrives on being the first to solve problems. We are always looking to hire highly passionate, collaborative and humble people that want to make a difference.
About the role :
This is a senior staff backend engineer role in the engineering team that designs, implements and maintains our state of the art product IllusionBLACK. The team is responsible for designing and implementing secure, highly performant and maintainable product.
Responsibilities:
- Architect, develop and maintain high performance, fault tolerant and scalable cloud hosted service using NodeJS
- End to end responsibility to continuously create and monitor the services you build
- Help design reusable and clean API's for our frontend React app
- Guide team members with handling complex issues
- You will also be responsible for database schema design and development of migration scripts
- Experiment with new technologies and ideas and help shape our stack and processes
Requirement:
- 10+ years professional SW development experience
- All our production applications are built with either Typescript or Python. You must have a strong understanding of NodeJS express apps written in Typescript and ES6
- Must have good experience with Python
- Solid experience with databases is a must. We use and love Postgres here at Smokescreen
- You should be able to design a complex database SQL schema normalized to 3NF on the back of a napkin at 3am in the morning
- Deep understanding and working knowledge of Redis cache
- Experience with Solr or Elasticsearch is a must. We use Solr for our event analytics exclusively
- Experience with AWS, Azure or GCP is a plus. We have a large distributed application running on AWS
- Experience with Docker/Swarm is a plus
- Experience in some stream processing platforms like Kafka/Redis stream is a plus


Python |
FastAPI / Django Framework |
Database concept, API & SQL's |
SSO, Oauth2, JWT, Microservices |
MVC, ORM |
1) Write effective, scalable code |
2) Develop back-end components to improve responsiveness and overall performance Integrate user-facing elements into applications. |
3) Test and debug programs. |
4) Improve functionality of existing systems. |
5) Implement security and data protection solutions. |
6) Assess and prioritize feature requests. |
7) Coordinate with internal teams to understand user requirements and provide technical solutions |
8) Debugging programs and integrating applications with third-party web services. |
Required Qualifications and Skills:
- 3-5 years of work experience in the development background, with at least 2 years experience in Java, Spring, Sprint Boot, Hibernate or JPA, MySQL, Oracle, Spring MVC.
- B.E. degree in Computer Science, Graduate in Software Engineering or equivalent
- Experience in Core JAVA, Spring, Spring Boot Frameworks.
- Experience with ORM's like Hibernate.
- Good knowledge of developing RESTful web services using Spring Boot, Java1.x,Servlet2.4, JSP2.0, JDBC3.0, Java Mail, Struts2.x, HTML, HTML5, Angular7+, JavaScript, JSF, Bootstrap2.x-3.x, JQuery & CSS 3.x, Maven 3.x, Apache Tomcat7
- Knowledge of Cloud AWS.
- Experience in any Messaging Queue e.g. Apache Kafka, ActiveMQ, etc.
- Experience on Web services with REST and SOAP.
- Experience working on tool set like Eclipse IDE, SQL clients.
- Experience using application server like Jboss, TomCat, Wildfly, glassfish.
- Experience in using tools like SOAP UI, POSTMAN
- Ability to write SQL queries to fetch data.
- Knowledge of Micro services, Redis Cache and Mongo DB (or any other NoSQL) is good to have
Roles & Responsibilities:
- Design and Build API/Micro services using Spring boot.
- Experience in Spring Reactive programming.
- Exposure to docker and containerization
- Developing enterprise grade highly scalable java-based application
- Writing test cases using Java testing framework like JUnit, Mockito.
- Proficient understanding of code version tools, such as Git, SVN
- Displaying initiative and an ability to lead others, and develop applications team disciplined manner
- Participating in application solutions including assisting with planning and architectural design, development, resolution of technical issues, and application rationalization.
- Utilizing and applying robust analytic thinking with the ability to identify, debug, and resolve technical issues.
- Achieving significant contributions within a small team of developers to lead teams and deliver solutions within an Agile methodology, whilst ensuring quality, timeliness and team-wide adherence to good architectural practice and guidelines.
- Good Experience in Application Software Design and Development, Object Oriented Analysis and Design (OOAD), Software Testing and Debugging.
- Conduct peer code reviews

