Sr. Python Developer | Doctor Insta

Job Title: Java Developer

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. - 1 to 3 years.

Wissen Technology is hiring Java + Scala Developers with 1–3 years of experience. We are looking for candidates with strong hands-on skills in Java and Scala, good analytical abilities, and the capability to work in a dynamic environment.

Key Requirements:

• Experience in Java and Scala
• Strong understanding of core programming concepts
• Good problem-solving and debugging skills
• Must be available for immediate joining
• Should be open to face-to-face interviews in Bangalore or Mumbai

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 hassuccessfully 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.

About Tamasha

Tamasha is building next-generation live, social, and real-time consumer

experiences across gaming, audio, video, and interactive platforms. Our backend

systems power millions of real-time interactions, low-latency data flows, and high

throughput event-driven services.

Role Overview

As a Software Development Engineer III (Backend), you will operate as a senior

individual contributor owning mission-critical backend systems. You will design

scalable architectures, solve complex distributed systems problems, and influence

engineering standards across teams.

Roles & Responsibilities

 Own backend systems end-to-end, from design and implementation to

production reliability and long-term evolution.



Design scalable, fault-tolerant, and low-latency backend architectures for real

time and event-driven use cases.



Lead system design decisions including data models, service boundaries, async

workflows, and scalability strategies.



Build and operate high-throughput services handling millions of events, requests,

or messages per day.

 Own reliability metrics such as p95/p99 latency, uptime, error budgets, and

participate in incident resolution and post-mortems.

Drive architectural migrations including monolith to microservices and

synchronous to asynchronous flows.

 Collaborate with product, frontend, and data teams to translate complex

requirements into robust backend solutions.



Improve developer productivity by contributing to internal platforms, tooling,

CI/CD pipelines, and coding standards.



Mentor engineers through design reviews, code reviews, and technical guidance

without direct people management.



Proactively identify performance bottlenecks, cost inefficiencies, and scalability

risks and resolve them at the system level.

Tech Stack

Backend: Node.js (NestJS / Express), Golang, Java

Databases: PostgreSQL, MySQL, MongoDB, Redis

Messaging & Async: Kafka, SQS, RabbitMQ, Pub/Sub

Real-time: WebSockets, Server-Sent Events

Cloud & Infra: AWS / GCP, Docker, Kubernetes

Observability: Prometheus, Grafana, OpenTelemetry

What We’re Looking For

• 5+ years of backend engineering experience

• Proven ownership of production systems at scale

• Strong understanding of distributed systems and async architectures

• Experience handling production incidents and system reliability

• Ability to independently design and evolve backend systems

• Minimum 4 years’ experience developing Node.js applications on top of RESTful APIs.
• Experience building single page applications using JavaScript frameworks and libraries (React)
• Experience with cross-browser, cross-platform and design constraints on the web.
• Experience with test automation: TDD, unit/integration/functional testing.
• Solid understanding of object-oriented design and programming concepts.
• Have a passion for quality and writing clean, solid, readable code that scales and performs well.
• Proficient in Git and familiarity with continuous integration.
• A team player who values collaboration, innovation, and inclusion
• Comfortable working in an Agile environment
• Strong verbal and written communication skills

As a PHP Backend Developer, your primary responsibility will be to develop and maintain the server-side logic of web applications, ensuring high performance, responsiveness, and scalability. You will work closely with the front-end development team, project managers, and other stakeholders to deliver robust and efficient web solutions.

Responsibilities:

• Develop and maintain server-side applications using PHP frameworks (such as Yii, Laravel, Symfony, and CodeIgniter) and other related technologies.
• Write clean, well-structured, and reusable code following industry best practices and coding standards.
• Collaborate with front-end developers to integrate user-facing elements with server-side logic.
• Design and implement secure and efficient APIs for data exchange with the front end and external services.
• Optimize application performance by identifying and resolving bottlenecks, improving code efficiency, and implementing caching mechanisms.
• Ensure data integrity and implement proper validation and error-handling techniques.
• Collaborate with database administrators to design and optimize database schemas and queries.
• Conduct thorough testing and debugging of applications to ensure high-quality deliverables.
• Stay updated with the latest trends and advancements in PHP development and related technologies.
• Participate in code reviews and provide constructive feedback to maintain code quality and improve team collaboration.
• Collaborate with the project management team to estimate project timelines and deliver work within specified deadlines.
• Troubleshoot and resolve production issues, provide technical support and perform maintenance tasks as required.

Requirements:

• Proven work experience as a PHP Backend Developer or similar role.
• Strong proficiency in PHP and its frameworks (Yii, Laravel, Symfony, etc.) with a good understanding of object-oriented programming principles.
• Experience with frontend technologies (HTML5, CSS3, JavaScript) and their integration with backend systems.
• Familiarity with database systems, such as MySQL, PostgreSQL, or MongoDB, and proficiency in writing efficient database queries.
• Knowledge of version control systems like Git for code collaboration and deployment.
• Familiarity with RESTful API development and integration of third-party APIs.
• Experience in optimizing application performance and implementing caching techniques.
• Understanding of security principles and best practices for web application development.
• Excellent problem-solving and analytical skills with strong attention to detail.
• Good communication and teamwork skills to collaborate effectively with cross-functional teams.
• Ability to work independently and handle multiple projects simultaneously.

• Core knowledge of PHP and Laravel frameworks

• Fundamental understanding of front-end technologies like HTML5, CSS3, and JavaScript. Check if the CSS, HTML, and JavaScript are accurate and consistent across different apps

• Basic knowledge in SQL and NoSQL databases is a plus.

• Build and maintain innovative web applications and websites using modern development tools.

• Document and continuously update the development process, project components, and task progress based on Organization requirements

• Solid experience working with PHP, the latest Laravel version.

• Design and maintain databases.

• Optimize performance by performing UI and back-end tests

• Scale, expand and improve our websites and applications, Perform debugging and troubleshooting on apps.

• Effectively communicate with clients and other teams when needed

• Update on current industry trends and emerging technologies and apply them to the development process

• Experience working with Lamp Stack/PHP code
• Proficiency in Magento and/or WordPress is strongly preferred
• Involved in requirement analysis, design and development
• Involved in sending form data to restful API using Ajax calls
• Have experience in CSS, JavaScript, HTML5, CSS3, Jquery Mobile, Bootstrap
• Design, population, updating & editing of relational databases and RDBMS like SQL, MySql.
• Experience with using server like XAMPP is a Plus
• Known with usage of web technology like Ajax with PHP
• Having an experience with building Responsive UI Design with industry standard frameworks
• Work in a team environment creating and supporting enterprise grade applications
• Help architect, design new applications and support existing applications

Fullstack Developer/Architect/Programmer:

1. 8-10 years experience as Developer/Programmer.
2. Should have an expertise in Core Java, Java & J2ee
3. Built MVC based Web Application Using JSP/Struts framework
4. Experience in Webservices-Restful
5. Experience in Application Servers like Tomcat and WebLogic
6. Good Knowledge of implementing JMS messaging services
7. Good knowledge of HTML5,CSS and JavaScript – Angular.js,Bootstrap, React.js
8. Should have skills in Spring 3.x, Hibernate, Weblogic 12c Implementation

What is the work?

• You will be a part of Technology Team, involved in all the stages of architecture to development of our web based applications product.
• Designing and developing applications using Microsoft Technologies (ASP.NET MVC, C#, ASP.NET Core) with Angular or React JS
• Writing detailed programs through discussion with clients, clarifying what actions the program is intended to perform

What skills and experience are we looking for?

• Minimum 3 years of working experience in .NET based application.
• Must have knowledge with Asp.net Core 2.0 or higher, Web API & C#.
• Must have atleast 1 year of current working experience into asp.net core along with either Angular or React JS.
• A good understanding of modern front-end web development techniques including HTML5, CSS3, JavaScript, knockout, angular, react js, and jQuery libraries.

• Experience of debugging and troubleshooting websites and web applications.

• Knowledge of Azure and DevOps process and worked with 'Source control' (SVN/TFS/GIT/VSTS).
• Knowledge of Agile Development Methodologies like SCRUM.
• Willingness to learn and improve.
• Should possess strong problem-solving skills.
• Good Communication skills
• Has the ability to do multitasking and assist others by maintaining strong communication with colleagues and clients .