
About Duplex Technologies Services
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About the Role
We are looking for a Staff Engineer - MERN stack to join one of our engineering teams at our office in Hyderabad. Ideal candidate would be strong hands-on IC with the ability to own systems end-to-end and lead technical delivery.
What would you do?
- Own end-to-end delivery from requirements and LLDs to production.
- Lead technical design across frontend, backend, and cloud.
- Ensure scalability, performance, security, and production readiness.
- Drive architectural decisions, reviews, and execution discipline.
- Mentor engineers and act as the primary technical POC.
Who Should Apply?
- 5+ years of full-stack experience with Node.js, React, JavaScript/TypeScript.
- Strong experience with MongoDB and API-first system design.
- Hands-on exposure to AWS and DevOps practices (CI/CD, Docker).
- Proven ownership of design, delivery, and team execution.
- Strong communication and leadership skills.
Nice to Have
- Redis, Elasticsearch, Kafka/RabbitMQ
- Next.js (SSR/SSG)
- Cloud platforms (AWS/GCP/Azure) and monitoring tools
Position Overview
Oracle Apex Engineer with good experience building reports using the latest versions of Oracle Apex
and experience in Apex Upgrade. Should have a good working knowledge of Oracle
Applications(R12).
Skills
1-2 end to end implementation/development project
Strong detail, quality, and solution orientation
5+ years of experience designing and implementing technical solutions that are aligned with
business strategy
5 years of applications development experience with Oracle APEX, Oracle SQL, PL/SQL
5+ years of Oracle APEX experience
5+ years experience in Oracle Databases
5+ years experience using PL/SQL
5+ years of JavaScript, HTML, CSS, and REST services
Oracle APEX 4.2 experience is a must and ability to Upgrade to higher versions
Ability to work on SQL performance issues
Ability to think critically and solve complex issues
Ability to work independently, while engaging the customer and providing information to the team
Strong ability to communicate both verbally and in writing with internal and external teams
Ability to prioritize across multiple projects and meet deadlines
Experience adapting in a dynamic work environment
Experience working in a customer-focused environment
Ability to troubleshooting issue
Proficiency in analysis, design, development, testing, implementation, and maintenance of
applications in Oracle Application Express (APEX).
Excellent conceptual knowledge of Oracle 11g.
Rich experience in writing SQL queries, Views, Materialized views, PL/SQL procedures, functions,
packages, triggers, cursors, collections, Ref cursor, cursor variables, System reference cursor,
Dynamic SQL.
Good knowledge of using PL/SQL Wrappers to protect the PL/SQL procedures and packages.
Roles & Responsibilities:
- Work as a Web Developer to create front end & backend of websites
- Play a key role in the design lifecycle, from brief through to design and release/implementation
- Should have good knowledge of HTML, CSS, REACT JS, NODE JS, POSTGRES, GIT, REST API.
- A good understanding of servers, hosting, domains, DNS
- Ensure all designs work across all browsers and on all devices
- Help to design elements of mobile apps
- Ensure all designs are produced to deliver a great user experience
Key Skills/Experience:
- A minimum of one year of experience in designing and developing websites and web apps
- Good working experience in React JS, Redux, JavaScript ES6, NodeJS, AJAX, HTML, CSS, etc
- Knowledge about REST API
- Who has worked on libraries such as Bootstrap, Material is.
- Experience with Unit testing, Git, GitHub, and other DevOps and CI/CD tool
- A strong portfolio that demonstrates a range of work and techniques
- A passion for strong web design that delivers a great user experience
- A good understanding of the latest web design trends
DeepSource is working on building tools that help developers ship good code. There are over 40 million developers in the world, and all of them write and review code in some form. There’s a massive opportunity to impact how software is built right from where the code is written using automation and intelligence, that not only improves developer productivity but also increases software’s robustness.
The Language Engineering team works on the source code analyzers, including both programming languages and configuration-as-code systems. As a member of the Language Engineering team, you will work on building the best, most comprehensive, PHP analyzer in the world. You will add new rules and Autofixes for finding more issues with code and automatically fixing them. You will be involved with the community to understand the problems with static analysis tools in the PHP ecosystem.
As a member of the Language Engineering team, you will:
-
Identify bad code practices in PHP and write new rules to detect them.
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Improve the coverage of automatically fixable issues.
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Ensure fewer false positives are reported by the analyzer.
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Work on the internal tools that support analysis runtimes.
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Contribute to open-source static analysis tools.
We’re looking for someone who has:
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Strong foundational knowledge in Computer Science.
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At least 3 years of professional software development experience in PHP.
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Understanding of the nuances of execution of the source code (AST, data flow graphs, etc).
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Familiarity with PHP best practices followed in the industry.
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Native experience with Linux/Unix environment.
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A focus on delivering high-quality code through strong testing practices.
We offer competitive compensation with meaningful stock options, a generous vacation policy, and a workstation of your choice, to name a few of the perks.
Experiance: 3+ Yrs
Skills: Node JS, Mongo DB, Aws
Database: Mongo DB.
Location: Hyderabad..
Job Position: JAVA Software Engineer
Job Location: Bangalore
Experience: 2 to 12 years
Job Responsibilities:
• Responsible for developing Web Applications using J2EE components.
• Responsible for developing standalone applications using Core Java and JDBC.
Desired Qualification: BE / B.Tech / MCA / MSc in Computer Science or IT
Added advantage: Sun Certified Java Programmer (SCJP), Sun Certified Web Component Developer (SCWCD) certification
Desired Skills:
- Strong skills in JAVA programming languages and focus specially on the following areas Servlets, JSP, Web Services, Struts framework, JDBC/JPA/mybatis (ibatis)/Hibernate, Threads, Collections and Design Patterns.
- Strong skills in web technologies HTML 4/5, JQuery, AJAX, Java Script and CSS.
- Thorough understanding of Object Orientation.
- Above average skills in SQL with familiarity in any of the standard RDBMS – MySQL, MSSQL or Oracle.
- Must have good written and oral communication in English language.
- Must be completely hands-on and an individual contributor and a self-starter; must be able to complete assignments (suitable to his/her experience) with minimal assistance.
- Very good at Analytical and Logical skills.
- Solid understanding of the web development lifecycle.
- Ability to learn quickly and deliver software on time.
Responsibilities
1-Integration of user-facing elements developed by front-end developers
2-Build efficient, testable, and reusable PHP modules
3-Solve complex performance problems and architectural challenges
4-Integration of data storage solutions (may include databases, key-value stores, blob stores, etc.
Skills and Qualifications
1-Strong knowledge of PHP web frameworks (such as Code igniter, Core PHP depending on your technology stack).
2-Understanding the fully synchronous behavior of PHP.
3-Understanding of MVC design patterns.
4-Basic understanding of front-end technologies, such as JavaScript, Jquery, Ajax, HTML5, and CSS3.
5-Knowledge of object oriented PHP programming.
6-Understanding accessibility and security compliance (Depending on the specific project)
7-Strong knowledge of the common PHP or web server exploits and their solutions.
8-User authentication and authorization between multiple systems, servers, and environments
9-Integration of multiple data sources and databases into one system.
10-Familiarity with limitations of PHP as a platform and its workarounds.
11-Creating database schemas that represent and support business processes
12-Familiarity with SQL/MySQL databases and their declarative query languages







