

Java/Python Developer(60% Java - 40% Python) - Mid Level Hands On Strong Developer
- 3 Years to 5 Years - Level 2
- 5 Years to 7 Years - Level 3
Location - Mumbai Commerz3 Office Only
He/She candidate must possess a strong technology background with advanced knowledge of Java
and Python based technology stack.
Java, J2EE, Spring MVC, Python, JPA, Spring Boot, REST API, Database, Playwright, CI/CD pipelines
. At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.
. Experience with Web Service development, REST and Services Oriented Architecture.
. Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.
· Working knowledge of Databases including Design, SQL proficiency.
. Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.
. Experience with Unix/Linux Operating System and Basic Linux Commands.
. Strong development skills with ability to understand technical design and translate the same into workable solution.
. Basic knowledge of Python and Hand-on experience on Python scripting
. Build, deploy, and monitor applications using CI/CD pipelines.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer 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.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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Job Summary:
We are seeking an experienced and highly motivated Senior Python Developer to join our dynamic and growing engineering team. This role is ideal for a seasoned Python expert who thrives in a fast-paced, collaborative environment and has deep experience building scalable applications, working with cloud platforms, and automating infrastructure.
Key Responsibilities:
Develop and maintain scalable backend services and APIs using Python, with a strong emphasis on clean architecture and maintainable code.
Design and implement RESTful APIs using frameworks such as Flask or FastAPI, and integrate with relational databases using ORM tools like SQLAlchemy.
Work with major cloud platforms (AWS, GCP, or Oracle Cloud Infrastructure) using Python SDKs to build and deploy cloud-native applications.
Automate system and infrastructure tasks using tools like Ansible, Chef, or other configuration management solutions.
Implement and support Infrastructure as Code (IaC) using Terraform or cloud-native templating tools to manage resources effectively.
Work across both Linux and Windows environments, ensuring compatibility and stability across platforms.
Required Qualifications:
5+ years of professional experience in Python development, with a strong portfolio of backend/API projects.
Strong expertise in Flask, SQLAlchemy, and other Python-based frameworks and libraries.
Proficient in asynchronous programming and event-driven architecture using tools such as asyncio, Celery, or similar.
Solid understanding and hands-on experience with cloud platforms – AWS, Google Cloud Platform, or Oracle Cloud Infrastructure.
Experience using Python SDKs for cloud services to automate provisioning, deployment, or data workflows.
Practical knowledge of Linux and Windows environments, including system-level scripting and debugging.
Automation experience using tools such as Ansible, Chef, or equivalent configuration management systems.
Experience implementing and maintaining CI/CD pipelines with industry-standard tools.
Familiarity with Docker and container orchestration concepts (e.g., Kubernetes is a plus).
Hands-on experience with Terraform or equivalent infrastructure-as-code tools for managing cloud environments.
Excellent problem-solving skills, attention to detail, and a proactive mindset.
Strong communication skills and the ability to collaborate with diverse technical teams.
Preferred Qualifications (Nice to Have):
Experience with other Python frameworks (FastAPI, Django)
Knowledge of container orchestration tools like Kubernetes
Familiarity with monitoring tools like Prometheus, Grafana, or Datadog
Prior experience working in an Agile/Scrum environment
Contributions to open-source projects or technical blogs

Job Title: Cybersecurity Agent Developer
Location: Bengaluru, India
Experience: 7+ Years
Employment Type: Full-time
About the Role:
We are seeking a highly skilled Cybersecurity Agent Developer with deep expertise in C/C++ and Golang or Rust to build and optimize high-performance security agents for Windows, Linux, and macOS platforms. This role requires a strong background in low-level system programming, performance tuning, and security-centric design to ensure effective monitoring, threat detection, and system protection across diverse environments.
Key Responsibilities:
- Design, develop, and maintain cross-platform endpoint security agents.
- Optimize agent performance to ensure minimal system overhead and real-time responsiveness.
- Implement system-level hooks and monitoring components including:
- Process monitoring
- File system and network activity tracking
- System telemetry collection
- Work with kernel-level APIs and frameworks, such as:
- ETW, WFP, WMI, MiniFilter (Windows)
- eBPF, auditd, fanotify, netfilter (Linux)
- EndpointSecurity framework, XPC, System Extensions (macOS)
- Build robust, secure inter-process communication (IPC) and data serialization mechanisms.
- Integrate agents with cloud-based security platforms via REST APIs, gRPC, and TLS.
- Collaborate with internal teams (threat intelligence, detection, response) to evolve agent capabilities.
- Perform in-depth debugging, profiling, and optimization using industry-standard tools.
Required Skills & Experience:
Core Programming:
- Strong proficiency in C/C++ and either Golang or Rust
- Solid experience in multi-threaded and asynchronous programming
Platform Expertise:
- Proven experience developing for Windows, Linux, and macOS
- Deep knowledge of system-level programming, including:
- Windows: WinAPI, ETW, WFP, WMI, MiniFilter
- Linux: eBPF, auditd, fanotify, netfilter
- macOS: EndpointSecurity framework, XPC, System Extensions
Security & Networking:
- Understanding of secure IPC, TLS, gRPC, and secure coding practices
- Familiarity with system hardening and secure memory management
Debugging & Optimization Tools:
- Proficient in using tools like GDB, LLDB, Valgrind, Perf, Wireshark, Sysinternals Suite
Version Control:
- Strong experience with Git (GitHub, GitLab)
Preferred Qualifications:
- Experience with cybersecurity frameworks like MITRE ATT&CK, Sysmon, YARA, Suricata
- Hands-on exposure to kernel/driver development
- Familiarity with EDR/XDR, sandboxing, and SIEM integrations
- Understanding of malware analysis and threat detection techniques
- Exposure to container security and cloud-native security agent development

You will be responsible for both back-end and front-end development, including creating WordPress themes and plugins.
WordPress Developer duties and responsibilities :-
- Designing and implementing new features and functionality
- Establishing and guiding the website's architecture
- Ensuring high-performance and availability, and managing all technical aspects of the CMS
- Helping formulate an effective, responsive design and turning it into a working theme and plugin.
- Generating WordPress themes and plugins.
- Conducting website performance tests.
- Troubleshooting content issues.
- Conducting WordPress training with the client.
- Monitoring the performance of the live website
- WordPress Developer requirements and qualifications :-
- Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
- Experience building user interfaces for websites and/or web applications
- Experience designing and developing responsive design websites
- Comfortable working with debugging tools like Firebug, Chrome inspector, etc.
- Ability to understand CSS changes and their ramifications to ensure consistent style across platforms and browsers
- Ability to convert comprehensive layout and wireframes into working HTML pages
- Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
- Proficient understanding of code versioning tools such as Git, SVN, and Mercurial
- Strong understanding of PHP back-end development
- As a Magento Developer, you will be designing high-quality eCommerce solutions to meet digital commerce and marketing needs in the implementation, enhancement, and support of features.
- Translating business requirements into technical solutions including building components, modules, and plugins that integrate with external client services.
- Embrace a “shift-left” approach to software quality, leveraging unit, integration, and end-to-end test automation to make sure quality objectives are fulfilled.
- Participate in supporting other team members and projects the team owns via code reviews, pair programming, and technical discussions using Agile methodologies.
Qualifications:
- 3+ years of hands-on development experience with Magento and PHP.
- Experienced in Magento code structure, extension architecture, theming hierarchy, and dependency management.
- Strong integration and architectural knowledge of the Magento platform
- Proficient with Magento APIs (REST, GraphQL) and 5+ years experience with HTTP and REST API usage.
- Expertise in using and maintaining Magento extensions.
- Able to write acceptance criteria, automation, and execute regression testing.
- Experience utilizing GitHub, Jira, and Confluence.
Nice to have:
- Experience integrating Magento with AEM.
- Experience with Front End Development using JavaScript and related frameworks & libraries such as Angular.
- Experience in using and integrating the broader Adobe Experience Cloud stack (i.e. Assets, Analytics, Launch, Target, etc)
- Experience with cloud technologies (specifically Amazon Web Services)
- Experience with Build/deploys tools and pipelines such as Jenkins, CircleCI, etc.
· Strong knowledge of core java & spring boot
· Hands-on experience on payment switch integration
· Good knowledge of ISO8583 and EMV Data.
· Hands-on experience on any database like MySQL, oracle...etc.
· Should be strong in creating/ defining Swagger specs for REST APIs, understand REST principles, Guidelines.
· In depth knowledge of Card Scheme Specifications (VISA, MasterCard, Rupay and AMEX), Card
· Well versed with payment standards and ISO8583 and EMV data (mandatory),
· Hands on experience with Switch payment integration
· Resolve technical issues for designers and developers during project lifecycle
· Excellent problem solving/troubleshooting skills on Java/J2EE technologies
· Result oriented and a versatile engineer who is expert in providing solutions, creating architecture and designs.
· Excellent communication (written and verbal) and interpersonal skills
Payment card industry preferred

- Application Developer -API
- Experience: 2-5 years
- Experience in Design, build and configure applications to meet business process and application requirements using AZURE API development.
- Design, Build, Test and deploy the APIs using Microsoft Azure.
- Needs to support and handle the production APIs.
- Should have knowledge in Design Patterns.
Mandatory technical skill: Core Java, Microservices, Spring, J2ee,
Good analytical and coding skill.
Job Description:
- Programming and optimizing rust / wasm based smart contracts
- Design, research and develop blockchain-based solutions
- Developing decentralized high-performance systems
- Building reliable and fast data storages
- Working with virtual machines used by modern blockchains: WebAssembly, EVM, COSMWASM
- Implementing consensus algorithms and other protocols
- Security audits of third-party and internal solutions
- Establishing policies and procedures that produce secure, high-quality software
- Write and review technical proposals
- Improve engineering standards, tooling, and processes
- Coding with concurrency, efficiency and scalability as primary motive
- Document systems, build runbooks, and automate those processes
- Being hands on by writing, testing, and deploying high-performance networking code
- Rigor on clean code, unit testing, code coverage and best practices
- Developing infrastructure software
- Supporting and Leading the team of junior developers.
Required qualifications:
3+ years experience in developing smart contracts, 2.5+ years of experience in Rust, willingness to learn on the go, ability to write clean code, a strong sense of responsibility.
Tech Stack:
Rust, cargo, git, linux, bash, ability to work with Docker.
Nice to have:
cryptography and system software development experience,understanding of design patterns, understanding of operating systems and networks, ability to design algorithms and mathematical models.



This is regarding .Net Core Developer/Lead opportunity we have with us and we are looking for immediate joiner.
Please find below the job description for your reference:
Required Skills:
- Good understanding of SOLID principles or Object oriented programming concepts
- Working knowledge of design patterns
- ASP.Net Core MVC & Razor
- REST API
- SQL
- Unit testing
Nice to have:
- RabbitMQ or experience working with any message oriented systems
- HTML, Javascript & CSS
- C#7 and above
- Docker
- SSRS
- Quartz or Hangfire
FYI. There will be a small coding ‘test’ during the interview

