
Job Summary:
We are seeking a skilled Senior Data Engineer with expertise in application programming, big data technologies, and cloud services. This role involves solving complex problems, designing scalable systems, and working with advanced technologies to deliver innovative solutions.
Key Responsibilities:
- Develop and maintain scalable applications using OOP principles, data structures, and problem-solving skills.
- Build robust solutions using Java, Python, or Scala.
- Work with big data technologies like Apache Spark for large-scale data processing.
- Utilize AWS services, especially Amazon Redshift, for cloud-based solutions.
- Manage databases including SQL, NoSQL (e.g., MongoDB, Cassandra), with Snowflake as a plus.
Qualifications:
- 5+ years of experience in software development.
- Strong skills in OOPS, data structures, and problem-solving.
- Proficiency in Java, Python, or Scala.
- Experience with Spark, AWS (Redshift mandatory), and databases (SQL/NoSQL).
- Snowflake experience is good to have.

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.
Connect with the team
Similar jobs

Senior Robotics Engineer – ROS 2 Migration & Systems (C++)
Department: R&D Engineering
Location: Noida (On-Site)
Company: Octobotics Tech Pvt. Ltd.
About Octobotics
Octobotics develops autonomous industrial mobile robots designed to operate in complex, unstructured industrial environments such as tanks, pipelines, and heavy infrastructure facilities.
As we scale from MVP to production-grade systems, we are migrating our robotics architecture from ROS 1 (Noetic) to a fully native ROS 2 (Humble/Iron) ecosystem to enable real-time performance, scalability, and reliability.
Role Overview
We are seeking a Senior Robotics Engineer to lead the migration of our core autonomy stack from ROS 1 to ROS 2.
This is a systems-level, architecture-focused role involving navigation design, middleware optimization, sensor fusion, and high-performance C++ development for real-world industrial deployment.
This position requires strong ownership, deep robotics fundamentals, and experience building production-grade systems.
Key Responsibilities
1. ROS 1 to ROS 2 Migration
- Port core navigation and control logic from ROS 1 (Noetic) to ROS 2 (Humble/Iron)
- Rewrite nodes using Lifecycle Management and Node Composition
- Bridge legacy systems using ros1_bridge
- Port and validate custom message and service definitions
- Optimize inter-node communication for zero-copy performance
2. Navigation & Autonomy Architecture
- Architect and customize Nav2 stack
- Develop custom Behavior Tree plugins
- Implement custom Costmap layers for dynamic obstacle handling
- Design robust global and local planning strategies (A*, DWB, TEB)
3. Middleware & DDS Optimization
- Configure and tune DDS implementations (FastDDS / CycloneDDS)
- Optimize QoS profiles for lossy WiFi and constrained industrial networks
- Debug discovery and multicast-related issues
- Ensure deterministic and real-time communication behavior
4. Sensor Fusion & Localization
- Implement and tune EKF/UKF pipelines using robot_localization
- Fuse IMU, Wheel Odometry, and LiDAR data
- Maintain bounded covariance and state estimation stability
- Debug drift and pose estimation inconsistencies
5. Serialization & Internal Systems
- Implement Protocol Buffers (Protobuf) for efficient internal data logging
- Design low-overhead inter-process communication mechanisms
- Ensure minimal latency and memory-safe execution
Technical Requirements
Robotics Stack
- Strong hands-on experience with ROS 2 (Humble/Iron preferred)
- Solid understanding of ROS 1 architecture and migration practices
- Deep knowledge of Nav2 (Planners, Controllers, Recoveries)
- Experience with SLAM frameworks (Cartographer, SLAM Toolbox)
Core Robotics Fundamentals
- Rigid body transformations and coordinate frames (SE(3))
- Quaternions and homogeneous transformation matrices
- TF tree architecture (map → odom → base_link)
- Forward & Inverse Kinematics (Differential Drive / Ackermann)
- Probabilistic robotics and Bayesian estimation principles
Programming
- Advanced C++ (C++14/17)
- RAII
- Smart pointers
- Template metaprogramming
- Real-time safe coding practices
- Python for prototyping and orchestration
What We’re Looking For
- Strong debugging skills in distributed systems
- Ability to handle real-world deployment constraints
- Experience building robotics systems beyond simulation
- Comfort working in production-level autonomy stacks
Nice to Have
- Experience with industrial robotics deployments
- Experience working in GPS-denied environments
- Exposure to real-time Linux systems
- DDS security configuration experience
A full stack developer job description for MERN stack developers centers on designing, developing, and maintaining robust web applications using MongoDB, Express.js, React, and Node.js as core technologies.
Responsibilities
- Develop and maintain scalable web applications using the MERN stack.
- Build interactive and responsive user interfaces with React.
- Implement server-side APIs and business logic using Node.js and Express.js.
- Design, model, and manage databases with MongoDB to ensure efficient data storage and retrieval.
- Integrate front-end with back-end systems and third-party services.
- Optimize applications for speed and scalability, troubleshoot and debug code, and ensure reliability.
- Collaborate with other developers, designers, and stakeholders in an agile environment to clarify requirements and deliver solutions.
- Implement security best practices and protect sensitive data.
- Participate in code reviews and mentor junior developers.
Requirements
- Proven experience with the MERN stack (MongoDB, Express.js, React, Node.js).
- Strong skills in JavaScript, HTML5, and CSS3.
- Familiarity with RESTful API design, version control systems (Git), and front-end frameworks like Bootstrap or Material-UI.
- Understanding of database design, schema management, and NoSQL principles.
- Problem-solving ability and communication skills.
- Bachelor's degree in computer science or related field (preferred).
- Experience working collaboratively in a team-oriented environment.
Key Skills
- JavaScript, React.js, Node.js, Express.js, MongoDB.
- HTML/CSS, RESTful APIs, Git.
- Familiarity with agile methodologies and UI/UX best practices.
- Testing, debugging, code optimization, and deployment.
Company Description: A content consumption and discovery app which provides news and other trending content. It was started in 2013 with the aim of keeping people informed by presenting news in an easily consumable format. It is the highest-rated news app on Google Play Store.
We are having urgent opening for IT Recruiter-Work from home. Minimum 2+ years experience required in IT and non-IT recruitment. Candidates who don't have experience in IT recruitment, please do not apply. Job involves end to end recruitment. 25 to 30k net salary. Immediate to 7 days joinees only. Personal desktop or laptop required.
Job Type: Full-time
Primary Requirements:
- Should be comfortable in doing coding in C#, ASP.NET Core, WCF.
- Should have knowledge of SQL Server.
- Comfortable in working with Angular 2+, Typescript, HTML, CSS.
- Should have experience 5+ years.
- Comfortable in working with source control GIT, TFS.
You would be a great if you have:
Clear and concise communication skills, meaning you can talk to your team, customers and well as the CTO or CEO.
- A bachelor’s / master’s degree in computer science and application.
- Knowledge of software testing includes unit, integration, and automation.
- Proficiency with basic word processing and presentation applications (i.e. MS Office: Word, Excel, PowerPoint) required. Knowledge of flow diagramming applications and collaboration platforms, (i.e. Visio, SharePoint) required.
- An understanding of health care laws in India and the U.S.
- An understanding of PHI and HIPAA.
- An understanding of clinical workflows, including dispensing and clinical monitoring
- An understanding of laws regulating the clinical practice, therapeutic/toxic dosing, drug interactions, contraindications, and adverse effects of drug therapy.
- Ability to prepare and maintain accurate, routine reports and records; supervise the work of support personnel and judge the adequacy of their work performance; communicate effectively orally; use professional judgment to make decisions, problem solve, and prioritize activities; use initiative and act independently.
- Experience with EMRs or care management software.
- You are a critical thinker who brings a passion and love for healthcare
- You are comfortable in a team setting working with clients, management, and internal resources in a fast-paced agile environment
- You believe supporting your team is the most important part of the job
You know your job is to be interrupted multiple times a day and yet you still get the job done
This opening is with one of the largest Conglomerate for the position of Engineering Manager(Backend/Frontend) for Mumbai /Bangalore.
Skills Required:
Proficiency in Backend skills with coding expertise in Java.
Hands on experience in Latest technologies like Flutter, Ktor, Nextjs, React js
Building React Native Apps.
Good Team Managegement Exp
Agile Methodology
A company founded by 2 BITSians with a simple mission statement - “App Business Made
Easy”. We are building a SaaS company focused on the needs of SMB App Developers
from around the world. This is a $15 Billion+ opportunity which is ripe for disruption
especially with increasing internet penetration, adoption and digitization of businesses. We
are profitable from Day-1 and are already growing at breakneck speeds and solving some
really hard problems. We are a team of 40+ people.
Culture
We are working hybrid and building a unique culture that allows you flexibility. We believe
your work should talk for itself and hence focus on KRA and projects.
As an Ad Ops manager, you have a critical role as part of the Global Performance delivery
team. You are the first point of post-sales contact for Appbroda's biggest advertising clients.
The ideal candidate will be super analytical, proactive, and a clear communicator and will
work with complex ad campaigns, managing and optimizing these campaigns using clear
analysis to deliver results.
Ad operations team would manage client relationships, but also bring to the table comfort
with analysis and numbers.Key Responsibilities:
● Work with sales teams to understand client expectations
● Day-to-day management of mobile display campaigns
● Work with the publishing team to secure inventories required for meeting the
client's objective
● Meet and exceed campaign goals through campaign strategy and optimization
● Work with data to arrive at insights and strategies about campaigns
● Day to Day management of profit margins across all campaigns
● Assist in the development of custom creative with internal departments and clients
● Management of client expectations, communication, and reporting metrics
● Help the product management team in designing better products by
communicating market realities and expectationsKey Skills & Experience:
● 1-2 years with GAM minimum
● Strong analytical skills
● Exceptional relationship management and communications
● Teamwork and interpersonal skills● Attention to detail
● Previous experience in a fast-paced start-up environment will be preferred
Job Description:-
- Php Developer Skills Required.
- Good working knowledge on Core PHP.
- Strong knowledge of MVC Framework and knowledge of Laravel.
- Good working knowledge of JavaScript & JS frameworks, preferably jQuery.
- Strong knowledge of MySQL databases & OOPS concepts.
- Strong knowledge of ORM and query builder.
- Knowledge of queue scheduling and task scheduling.
- Strong knowledge of Artisan commands.
- Hands on experience of service providers and create new service providers in the application when needed.
- Integration of user-facing elements developed by front-end developers.
- Build efficient, testable, and reusable modules.
- Solve complex performance problems and architectural challenges.
- Write well designed, testable, efficient code by using best software development practices.
- Integrate data from various back-end services and databases.
- Create and maintain software documentation.
- Knowledge of Rest APIs.
- Knowledge of the payment gateway integration (PayPal, PayUMoney, CC Avenue etc.)
- Good knowledge of wallet integration (Paytm, Phone-Pe, Amazon) etc.
- Proficient understanding of code versioning tools, such as Git is mandatory.
- Ability to debug the code and resolve the issues.
Key Responsibilities:-
- Build reusable code and libraries for future use.
- Participate in the full lifecycle of the projects.
- Optimize application for maximum speed and scalability.
- Ability to work independently and within a team environment.
- Assist in troubleshooting any production issues.
- Working within an existing code base and also writing code from scratch.
- Good team player -collaborate with other team members and stakeholders.
- Commitment to meet corporate goals and tight deadlines.
Key Skills:- HTML, CSS, Bootstrap, jQuery, JavaScript, PHP, Core PHP, knowledge of MVC framework, database, MySQL, Laravel Framework, Rest APIs, 3rd party tool integration, OOPs programing concept.
Experience:- 3+ Years’ experience.
Education Qualification:- B.E./B.Tech. /MCA or equivalent in computer science or a related field.






