Fullstack 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. - 5 to 12 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns. • Should have the ability to analyze, design, develop and test complex, low-latency client facing applications. • Good development experience with RDBMS. • Good knowledge of multi-threading and high-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability to express their design ideas and thoughts. 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 has successfully 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. 

Mandatory Criteria

• Candidate must have Strong hands-on experience with Kubernetes of at least 2 years in production environments.
• Candidate should have Expertise in at least one public cloud platform [GCP (Preferred), AWS, Azure, or OCI).
• Proficient in backend programming with Python, Java, or Kotlin (at least one is required).
• Candidate should have strong Backend experience.
• Hands-on experience with BigQuery or Snowflake for data analytics and integration.

About the Role

We are looking for a highly skilled and motivated Cloud Backend Engineer with 4–7 years of experience, who has worked extensively on at least one major cloud platform (GCP, AWS, Azure, or OCI). Experience with multiple cloud providers is a strong plus. As a Senior Development Engineer, you will play a key role in designing, building, and scaling backend services and infrastructure on cloud-native platforms.

# Experience with Kubernetes is mandatory.

Key Responsibilities

• Design and develop scalable, reliable backend services and cloud-native applications.
• Build and manage RESTful APIs, microservices, and asynchronous data processing systems.
• Deploy and operate workloads on Kubernetes with best practices in availability, monitoring, and cost-efficiency.
• Implement and manage CI/CD pipelines and infrastructure automation.
• Collaborate with frontend, DevOps, and product teams in an agile environment.
• Ensure high code quality through testing, reviews, and documentation.

Required Skills

• Strong hands-on experience with Kubernetes of atleast 2 years in production environments (mandatory).
• Expertise in at least one public cloud platform [GCP (Preferred), AWS, Azure, or OCI].
• Proficient in backend programming with Python, Java, or Kotlin (at least one is required).
• Solid understanding of distributed systems, microservices, and cloud-native architecture.
• Experience with containerization using Docker and Kubernetes-native deployment workflows.
• Working knowledge of SQL and relational databases.

Preferred Qualifications

• Experience working across multiple cloud platforms.
• Familiarity with infrastructure-as-code tools like Terraform or CloudFormation.
• Exposure to monitoring, logging, and observability stacks (e.g., Prometheus, Grafana, Cloud Monitoring).
• Hands-on experience with BigQuery or Snowflake for data analytics and integration.

Nice to Have

• Knowledge of NoSQL databases or event-driven/message-based architectures.
• Experience with serverless services, managed data pipelines, or data lake platforms.

What’s the opportunity?

Are you a backend developer looking to fast-track your learning and growth? Have you looked at world-class products like Asana, Notion, or Airtable, and felt “I wish I were part of the early team that built these products”?

We’re a team that has previously built and rolled out globally successful SaaS products used by tens of thousands of customers. We’re laser-focused on delivering a world-class product again, and looking for an ambitious backend engineer to join our existing team of 9 engineers. 

If it excites you to think of a fast-paced start-up environment, building something big from scratch, breaking down new problems, creating new APIs, working on performance issues, getting hands-on with DevOps initiatives, and showcasing demos of your work every Friday with a happy and passionate team, then this is the right opportunity for you.

Some of the tech problems you get to work on as a backend engineer would be to build the backend for a modern spreadsheet experience from scratch, work on infra as code, write robust code that is fault-tolerant, work on performant code that adheres to SLOs set by the organization.

About you:

● 3- 5 years of experience

● Expertise in the following areas ○ Java ○ HTTP Protocol

● You’ve heard of or worked with some of the following tech stacks/products ○ Spring ○ PostgreSQL ○ Redis ○ Docker ○ Message brokers ○ GitHub

● These non-functional areas are familiar to you ○ Performance ○ Debugging ○ Log management

Nice to have:

● Familiarity with AWS

What’s in it for me?

● Great opportunity: We genuinely care about everyone we hire. You’ll learn new things and grow no matter how experienced you are; you will be working with founders who have more than three decades of collective experience in building significant B2B SaaS startups.

● Great team: Work with a world-class, high-velocity team that truly embodies the values of empathy, curiosity, and customer-centricity. Check out the MTT(Meet The Team) videos on our LinkedIn.

● Great culture: An open, fun, and exciting startup culture that empowers its people to champion big problems with the freedom to think and innovate.

● Growth: You could easily and quickly transition into other roles you might like.

● Impact: You get to be part of a global, passionate team in a fast-paced and growth-oriented environment. The team has a work philosophy of being high on ambition, ownership, and a bias for action.

● Monetary rewards and benefits: Competitive stipend, flexible leave policy, and more

About TensorIoT

TensorIoT is an AWS Advanced Consulting Partner. We help companies realize the value and efficiency of the AWS ecosystem. From building PoCs and MVPs to production-ready applications, we are tackling. complex business problems every day and developing solutions to drive customer success.

TensorIoT's founders helped build world-class IoT and AI platforms at AWS and Google and are now creating solutions to simplify the way enterprises incorporate edge devices and their data into their day-to-day operations. Our mission is to help connect devices and make them intelligent. Our founders firmly believe in the transformative potential of smarter devices to enhance our quality of life, and we're just getting started!

TensorIoT is proud to be an equal opportunity employer. This means that we are committed to diversity and inclusion and encourage people from all backgrounds to apply. We do not tolerate discrimination or harassment of any kind and make our hiring decisions based solely on qualifications, merit, and business needs at the time.

Job description

As a Mid-Level Python Developer, you will:

• Analyze user needs and develop software solutions.
•  Work with project managers and product owners to meet specification needs.
• Recommend software upgrades to optimize operational efficiency.
• Deliver scalable and responsive software using TypeScript and Python.
•  Collaborate with other developers to design and optimize code.
• Create flowcharts and user guides for new and existing programs.
• Document all programming tasks and procedures.
• Perform routine software maintenance.
• Deploy and maintain CI/CD pipelines.
• Develop and maintain data pipelines. This includes scaling the pipeline to accommodate anticipated volume and complexity.
• Collaborate with external clients and internal team members to meet product deadlines.

We're looking for someone who has:

• Experience with AWS Services(must)
•  A bachelor’s degree in computer science, Engineering, or related fields
•  4 - 8 years of experience in software development, computer engineering, or other related fields
•  Expert-level experience with Python and Node.JS
• Familiarity and comfort with REST APIs
•  A deadline and detail-oriented mindframe
•  Strong analytical and critical thinking skills
• Familiarity with DevOps tools and best practices
• Experience developing scalable data processing systems

Bonus points for someone with:

• Experience with IoT, ML, AI, or VR
• Amazon Web Services (AWS) certification(s) (preferred)
• Experience with microcomputers and microcontrollers
• Experience with the following DevOps services: AWS
• CodePipeline, CodeBuild or CodeCommit
• Experience with the following Data Engineering services: AWS Lake Formation, Glue, Redshift, EMR, or QuickSight.

Primary Skills: Database Systems (SQL), Python Flask/Fast API/Django frameworks specifically
Requirements:

• Highly proficient in fundamentals of Python web development frameworks like Flask, Django and Fast API
• Demonstrated experience in developing APIs using Python frameworks
• Should have deep knowledge in PostgreSQL, MS SQL Server and other SQL based Databases
• Knowledge and proficiency in NoSQL is a bonus

Job Description:

• Strong Experience of Node JS.

• Strong Experience of Reactjs development

• Experience in Server-side application architectures like Express.js, Meteor.Js, etc. is desirable.

• Experience in developing APIs is highly desirable.

• Experience in Mongo or MySQL database is a must.

• Understanding the nature of asynchronous programming and its quirks and workarounds.

• Understanding fundamental design principles behind a scalable application.

• Experience in delivering products using an Agile methodology is highly desirable.

• Experience with automated unit, integration and end-to-end testing is highly desirable.

• Experience in the area of network or systems management is a plus.

• Candidates with good experience with SDLC
• Minimum 3+ years of hard core coding experience is mandatory
• Excellent hands on coding in Java, J2EE, Spring, Struts

We are looking to hire a talented ruby on rails developer to manage the interchange of data between our users and the server. You will be responsible for developing and maintaining the server-side logic for the central database, testing performance, troubleshooting, and integrating front-end elements into the application.

To ensure success as a ruby on rails developer, you should have extensive experience working with ruby and back-end integration techniques. Ultimately, a top-level ruby on rails developer can create clean, functional code that perfectly suits the needs of the company.

We are looking for 2+ Year experienced Back-end developer to join our Team.
You will be responsible for the development and management of server side of our web applications in terms of quality and scalability. 

You should be passionate about writing optimised codes, and solving problems in real time, Data Structure and Algorithm. 

Responsibilities : 

- Write clean code to develop functional web applications 

- Should be adaptable to good practices and standards 

- Capable to write scalable codes. 

- Gather and address technical and design requirements 

- Build reusable code and libraries for future use 

- Follow emerging technologies 

Required Candidate profile

Requirements : 

- Hands on experience on Node Js, Typescript, Mongodb, Elastic Search, Kafka, RESTfull Apis, Python(Django),  Angular, Flutter / Dart

- Excellent analytical and time management skills 

- Teamwork skills with a problem-solving attitude 

- Understanding of deployment process with AWS/Digital Ocean/Microsoft Azure 

- Good Understanding of System Design. 

- Should be aware of design patterns 

- Understanding of TDD 

- Unit Test Frameworks - Chai, Mocha, Sinon, Supertest, Knock 

What we are looking for

- We are looking for a candidate with around 2 years of experience in Backend Development. We are looking for a team player with a very good attitude.