Data Engineer

Company Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai

Experience - 4 to 10 years

Kindly revert over mail if you are interested.

Java Developer – Job Description

We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.

Key Responsibilities

• Design and develop robust backend services and APIs primarily using Java (Spring Boot)
• Contribute to Python-based components where needed for automation, scripting, or lightweight services
• Build, integrate, and optimize RESTful APIs and microservices
• Work with relational and NoSQL databases
• Write unit and integration tests (JUnit, PyTest)
• Collaborate closely with DevOps, QA, and product teams
• Participate in architecture reviews and design discussions
• Help maintain code quality, organization, and automation

Required Skills & Qualifications

• 4 to 10 years of hands-on Java development experience
• Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
• At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
• Familiarity with Python frameworks like Flask or FastAPI is a plus
• Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
• Good understanding of OOP, design patterns, and software engineering best practices
• Familiarity with Docker, Git, and CI/CD pipelines

Responsibilities:

- Collaborate with cross-functional teams including front-end developers, designers, and system administrators to develop robust and scalable server-side applications.

- Design and implement RESTful APIs and services using Node.js, ensuring efficient data handling and integration.

- Develop database schemas and models for MongoDB, optimizing queries and ensuring data integrity.

- Implement data migration and transformation tasks between different data sources.

- Write efficient and reusable code, following best practices and coding standards.

- Conduct thorough testing and debugging of applications to identify and fix issues promptly.

- Collaborate with DevOps team to deploy applications on servers or cloud platforms.

- Continuously monitor application performance and optimize it for scalability and reliability.

- Stay updated on emerging technologies and trends, actively suggesting improvements and innovative solutions.

Requirements:

- Strong proficiency in Node.js and JavaScript.

- Solid understanding of server-side development and asynchronous programming concepts.

- Experience working with NoSQL databases (e.g., MongoDB).

- Knowledge of database design and query optimization techniques.

- Familiarity with web application security principles and best practices.

- Proficiency in using version control systems (e.g., Git).

- Good understanding of agile development methodologies.

- Excellent problem-solving and analytical skills.

- Effective communication and collaboration abilities.

About TechWeirdo:

Techweirdo works with fast-growing organizations globally to make them AI-powered.

We are building a community-powered platform that will curate the top 1% of the tech workforce for product companies globally.

Our workforce has been heralded for its exceptional growth, technical competence, and its commitment to its customers.

Techweirdo is looking for a Technical Recruiter at a leading role to strategize, source, orienting and engage top technical talents.

Key Responsibilities:

• Write and post technical job descriptions

• Source potential candidates from hiring platforms

• Build partnerships and negotiate with talent agencies & consultants to improve the sourcing potential

• Innovate on sourcing strategies to hire faster, better, and cost competitively.

• Parse specialized skills and qualifications to screen technical resumes

• Perform pre-screening calls to analyze applicants’ abilities

• Coordinate with IT team leaders, Business teams to forecast department goals and hiring needs

• Participate in tech conferences and meetups to network with IT professionals

• Compose job offer letters

• Onboard new hires

• Promote and withhold the company’s values

• Conduct engagement activities to engage technical teams in performance reviews & contributions

• Help technical team members to enhance their profiles and coordinate with the business teams to align existing tech team members to projects and client requirements

• Keep up-to-date with new technological trends and products

Skills/ Role Requirements:

• Proven work experience as a Technical Recruiter

• Hands-on experience with various interview formats

• Ability to understand and explain job requirements for IT roles

• Familiarity with Applicant Tracking Systems and resume databases

• Strong knowledge of sourcing techniques

• Strong understanding of HR practices and labor legislation

• Excellent verbal and written communication skills

This is a fully remote opportunity

About Us:

We at Ascendeum provide Data and AdTech strategy consultation to businesses worldwide. We started our journey with private funding and has been operating profitably since 2015. We are a lean team of 50+ highly productive and smart people spread across various parts of India who have been consistently delivering intelligent solutions that enable enterprise-level websites and apps to maximize their digital advertising returns.

Job Details:

We are looking for an analytical, results-driven Back-end Engineer who holds a passion to troubleshoot and improve current back-end applications and processes. The Back- end Developer will use his or her understanding of programming languages and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems, and create a more seamless experience for users.

Job Responsibilities:

• Compile and analyze data, processes, and codes to troubleshoot problems and identify areas for improvement.
• Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
• Developing ideas for new programs, products, or features by monitoring industry developments and trends.
• Recording data and reporting it to proper parties, such as clients or leadership.
• Participating in continuing education and training to remain current on best practices, learn new programming languages, and better assist other team
• members.
• Taking lead on projects, as needed.

Desired Skills and Experience:

• Bachelor’s degree in computer programming, computer science, or a related field.
• Solid experience specializing in developing and managing back-end systems for enterprise-grade applications.
• Strong command on Python and databases such as MySQL.
• Strong understanding of the web development cycle and programming
• techniques and tools.
• Focus on efficiency, user experience, and process improvement.
• Excellent project and time management skills.
• Strong problem solving and verbal and written communication skills.
• Ability to work independently or with a group.

• Specialized in architectural knowledge/experience in Tosca
• Hands on experience to support operational stuff on Tosca
• Needs to be an SME who will lead and guide rest of the resources on the project
• Needs to come up with solutions, strategic thoughts and efficiencies for Tosca implementation
• Willingness to find answers and resolutions
• Good Communications Skills 

• Work with product owners, architects, developers, testers, and other stakeholders in the client's organization and in the company to build and maintain software solutions
• Get specifications/wireframes/ mock-ups and translate them into scalable, high-performance, robust web apps!
• Responsible to write and maintain clean, well-written code, as per the best practices.
• Very comfortable with daily stand-up with clients, update daily work progress via Project Management systems, voice/video calls, online collaboration using screen-sharing tools.
• Exposure/experience in agile development practices

Desired Qualification, Skills, and Experience

• Education: B.E. / B.Tech.

Mandatory Skills:

• Expert level skills in OOPS concepts
• Excellent in Ruby, metaprogramming.
• Excellent knowledge of Rails 4.x+
• Experience in using Rails Engine.
• Full-stack web development expertise (HTML, Javascript, CSS/Less, React, Redux)
• Good experience with active accounts on Git, Github/Bitbucket, or similar SCM tools.
• Excellent debugging and troubleshooting skills [Client side, Server side, Database]
• Knowledge and skills in static code analysis and performance management tools [Client side, Server side, Database]
• Databases: Expert level skills in one or more of MySQL, PostgreSQL
• Exposure to Release, Build Management, Deployment steps, and methodologies.

Nice to have Skills:

• MongoDB, Redis, Memcached, RSpec, Enzyme, Jest
• Experience:2-4 year

Note : This job is for immediate joining. Please apply ONLY IF you can join immediately.

Experience :- Junior role : 1 to 3 years/Senior : 5 to 7 Years

Industry: FinTech / BFSI

Functional Area: Core Platform Programming, Maintenance

Role Category: Programming & Design

Role: Software Developer

Employment Type: Permanent Job, Full Time

Overview:

We are looking to hire Java developers who are well versed with Spring Boot, Hibernate, and RDBMS such as MySQL.

As we continue to grow our apps and site, we are looking for somebody to join our Engineering team and help build out the next set of kick-ass features.

If selected, you get to be a part of a small but committed group of technologists who are trying to improve how events are ticketed and marketed in India.

About the role:

• 2+ years of experience on Java, Spring Boot, Hibernate in medium to large-scale projects
• Must have experience with at least some flavours of both SQL (MySQL, Postgres) and NoSQL (MongoDB, ElasticSearch, Redis, DynamoDB etc) datastores in production
• Must have experience with Kafka or similar message queue systems in production
• Stellar problem solving skills
• Hunger to learn new things and ability to grasp new concepts quickly
• Ability to move quickly without breaking things too much (we are dreamers)
• Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
• Should be able to groom juniors and take them to the next level

Perks :

• You get to work at a fun filled atmosphere
• Have ample chances of learning leadership, mentor-ship skills
• A solid salary package along with chance to get ESOPs 

Salary Range : 6 LPA to 12 LPA 

(based on qualifications, experience and skills)