Senior AI Engineer

Role & Responsibilities

We are currently seeking a Senior Engineer to join our Financial Services team, contributing to the design and development of scalable system.

The Ideal Candidate Will Be Able To-

• Take ownership of delivering performant, scalable and high quality cloud based software, both frontend and backend side.
• Mentor team members to develop in line with product requirements.
• Collaborate with Senior Architect for design and technology choices for product development roadmap.
• Do code reviews.

Ideal Candidate

• Strong Software Engineer fullstack profile using NodeJS / Python and React
• Mandatory (Experience) - Must have 6+ YOE in Software Development using Python OR NodeJS (For backend) & React (For frontend)
• Mandatory (Core Skills 1): Must have strong experience in working on Typescript
• Mandatory (Core Skills 2): Must have experience in message based systems like Kafka, RabbitMq, Redis
• Mandatory (Core Skills 3): Databases - PostgreSQL & NoSQL databases like MongoDB
• Mandatory (Company) - Product Companies Only
• Mandatory (Education) - B.Tech or Dual degree (Btech and Mtech or Integrated Msc/MS) from Tier 1 Engineering Institutes. Candidates from other institutions will not be considered unless they come from top-tier product companies
• Mandatory (Note) : This role is a hybrid role (2 days WFO)
• Preferred (Experience): Experience in Fin-Tech, Payment, POS and Retail products is highly preferred
• Preferred (Mentoring): Experience in mentoring, coaching the team.

Lead Java Platform Engineer

Build the high-performance platform services behind our core financial applications.

EXPERIENCE

5+ years (core Java)

CORE TECH

Java · REST APIs ·

SQL/NoSQL

DOMAIN

Financial Services

About the role

We’re seeking a highly experienced and passionate Senior Java Platform Engineer to join our

team. You’ll play a crucial role in designing, developing, and maintaining the robust, scalable

platform services that underpin our core financial applications.

This role demands a deep understanding of core Java principles, a proven track record of

building high-performance APIs, and extensive experience in the financial services industry.

What you’ll do

Design & development

– Design, develop, and maintain high-performance, scalable, and reliable platform services in

Java.

– Build and consume RESTful APIs and other web services.

– Write clean, well-documented, testable code, and contribute to code reviews and quality.

Platform engineering

– Contribute to the architecture and design of our platform services.

– Optimize platform performance and scalability and troubleshoot complex technical issues.

– Ensure the security and reliability of the platform.

Data management

– Work across SQL and NoSQL databases.

– Design efficient data access patterns and apply sound data modelling principles.

Financial services expertise

– Apply deep knowledge of financial industry practices, regulations, data, and systems.

– Work with sensitive financial data structures, with the care that requires.

Automation & workflow– Use Python for scripting and automation tasks.

– Apply (or build) exposure to Apache Airflow or similar tools for data pipelines and

scheduling.

Collaboration & communication

– Collaborate with cross-functional teams — product managers, QA engineers, and

developers.

– Communicate clearly with both technical and non-technical stakeholders.

– Mentor junior engineers.

What you’ll bring

– Bachelor’s or Master’s in Computer Science or a related field.

– 8+ years of experience in core Java development.

– Extensive experience building and maintaining platform services.

– Strong grasp of object-oriented programming principles and design patterns.

– Proven experience designing and developing RESTful APIs.

– Deep knowledge of concurrency, multithreading, and performance optimization.

– Hands-on experience with SQL and NoSQL databases.

– Significant experience within the financial services industry.

– Exposure to Python for scripting and automation.

– Exposure to Apache Airflow or similar workflow management tools.

– Excellent problem-solving, analytical, communication, and collaboration skills.

– Experience with Agile development methodologies.

Nice to have

– Cloud platforms (AWS, Azure, or GCP).

– Containerization and orchestration (Docker, Kubernetes).

– Message queues (Kafka, RabbitMQ).

– Knowledge of financial regulations and compliance requirements.

About Wissen Technology

Wissen Technology is a specialized consulting firm that helps organizations in Banking &

Finance, Telecom, and Healthcare build world-class products. Since 2015, we’ve grown to

1,000+ engineers across the US, UK, India, Australia, Mexico, and Canada and we are a

certified Great Place to Work ®.

We are looking for a seasoned Python/Django expert with 7-12 years of real-world development experience and a strong background in leading engineering teams. The selected candidate will be responsible for managing complex technical initiatives, mentoring team members, ensuring best coding practices, and partnering closely with cross-functional teams. This position demands deep technical proficiency, strong leadership capability, and exceptional communication skills.

Primary Responsibilities:

• Lead, guide, and mentor a team of Python/Django engineers, offering hands-on technical support and direction.
• Architect, design, and deliver secure, scalable, and high-performing web applications.
• Manage the complete software development lifecycle including requirements gathering, system design, development, testing, deployment, and post-launch maintenance.
• Ensure compliance with coding standards, architectural patterns, and established development best practices.
• Collaborate with product teams, QA, UI/UX, and other stakeholders to ensure timely and high-quality product releases.
• Perform detailed code reviews, optimize system performance, and resolve production-level issues.
• Drive engineering improvements such as automation, CI/CD implementation, and modernization of outdated systems.
• Create and maintain technical documentation while providing regular updates to leadership and stakeholders.

Required Skills & Qualifications

• 7+ years of professional experience in software development with strong expertise in Python and Django.
• Solid understanding of key web technologies, including REST APIs, HTML, CSS, and JavaScript.
• Hands-on experience working with relational and NoSQL databases (such as PostgreSQL, MySQL, or MongoDB).
• Familiarity with major cloud platforms (AWS, Azure, or GCP) and container tools like Docker and Kubernetes is a plus.
• Proficient in Git workflows, CI/CD pipelines, and automated testing tools.
• Strong analytical and problem-solving skills, especially in designing scalable and high-availability systems.
• Excellent communication skills both written and verbal.
• Demonstrated leadership experience in mentoring teams and managing technical deliverables.
• Must be available to work on-site in the Hyderabad office; remote work is not allowed.

Preferred Qualifications

• Experience with microservices, asynchronous frameworks (such as FastAPI or Celery), or event-driven architectures.
• Familiarity with Agile/Scrum methodologies.
• Previous background as a technical lead or engineering manager.

Strong Full stack developer Profile

Mandatory (Experience 1) - Must Have Minimum 5+ YOE in Software Development,

Mandatory (Experience 2) - Must have 4+ YOE in backend using Python.

Mandatory (Experience 3) - Must have good experience in frontend using React JS with knowledge of HTML, CSS, and JavaScript.

Mandatory (Experience 4) - Must have Experience in any databases - MySQL / PostgreSQL / Postgres / Oracle / SQL Server /

Senior Software Engineer.

• A degree in Data Science, Artificial Intelligence, Computer Science, or a related field
• Strong proficiency in Python, with a solid understanding of object-oriented programming principles.
• Proven experience in developing applications powered by Large Language Models (LLMs).
• Demonstrated experience in building and maintaining robust ETL (Extract, Transform, Load) data pipelines.
• Ability to build full-stack applications using JavaScript; experience with modern frameworks like React and Next.js is highly desirable.
• A pragmatic and self-starting individual, capable of executing tasks effectively with minimal supervision.
• Experience developing modern frontend applications, with specific expertise in using Web Components.
• Knowledge of simulation principles and discrete optimisation techniques.
• Relevant professional certifications in AI, Machine Learning, or cloud platforms are a plus.

Experience

• Proven track record building AI (e.g. LLM-powered solutions, Agent-Based Applications), data science, or numerical computing projects end-to-end—from initial concept through to deployment and maintenance.
• Extensive hands-on experience (4+ years) with core technologies, including:
• Advanced Python, utilising libraries such as NumPy, Pandas, and frameworks for multiprocessing and asynchronous programming.
• Relational database management systems.
• Development and deployment within Linux environments.
• Collaborative development workflows using Git.

Description of Skills/abilities:

We are looking for a Python Web Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application; therefore, a basic understanding of front-end technologies is necessary as well.

Responsibilities:

1. Writing reusable, testable, and efficient code.
2. Design and implementation of low-latency, high-availability, and performant applications.
3. Integration of user-facing elements developed by front-end developers with server side logic.
4. Implementation of security and data protection.
5. Integration of data storage solutions may include databases, key-value stores, blob stores, etc. Experience administering innovation with methodologies such as design thinking.
6. Experience working on Agile Scrum and DevOps aligned delivery teams.
7. Interest and ability to learn other coding languages as needed.
8. Strong communication skills and great product sense.
9. Proficient communication skills verbal and written.
10. Understanding of accessibility and security compliance depending on the specific project.
11. Knowledge of user authentication and authorization between multiple systems, servers, and environments.
12. Understanding of fundamental design principles behind a scalable application.
13. Familiarity with event-driven programming in Python, using of Pycham.
14. Understanding of the differences between multiple deliveries platforms, such as mobile vs desktop, and optimizing output to match the specific platform.
15. Able to create database schemas that represent and support business processes.
16. Strong unit test and debugging skills.

Skills:

1. Expert in Python, with knowledge in Python web framework such as Django, Flask depending on technology stack.
2. Familiarity with some ORM (Object Relational Mapper) libraries.
3. Able to integrate multiple data sources and databases into one system.
4. Understanding of the threading limitations of Python, and multi-process architecture.
5. Good understanding of server-side templating languages such as Jinja 2, Mako, etc depending on your technology stack.
6. Basic understanding of front-end technologies, such as JavaScript, Typescript, react, react hooks, HTML5, and CSS3.
7. Proficient understanding of code versioning tools such as Git, Mercurial or SVN.

Skill Set:

1. 4+Years Full stack Python Developer - exposure to web frameworks like Django, Flask and Falcon.
2. Experience building APIs for a rapidly iterating product and restful APIs and development of services layer using Pythons Flask framework and should be proficient in writing unit test cases using Pytest package.
3. Database level programming using both SQL (MySQL, PostgreSQL, Oracle) and No SQL (Mongo DB/Casandra) and designing the database level stored procedures and persistence logic.
4. HTML/CSS/JavaScript and JavaScript framework and knowledge on React JS is a plus.
5. Experience in developing Arduino libraries is an added advantage.
6. Experience working with two or more from the following: Web Application development, Unix/Linux environments, mobile application development, distributed and parallel systems, machine learning, information retrieval, natural language processing, networking, developing large software systems, and/or security software development

• Experience in leading a software team and managing software delivery project.
• Strong experience in Python development in a full stack environment is a requirement, including , Flask
• Strong Hands-on with VueJS/Vuex, JavaScript, React, Angular · Experience with SQLAchemy or similar ORM frameworks
• Experience working with mapping APIs (e.g., Google Maps, Mapbox) · Experience using Elasticsearch and docker environment is a plus
• Strong knowledge of SQL, comfortable working with MySQL and/or PostgreSQL databases
• Understands concepts of Data Modeling
• Experience with REST.
• Experience with Git, GitFlow, code review process
• Good understand with basic UI and UX principles
• Must enjoy problem solving and have excellent communication skills

• Bachelor's degree in Computer Science (or related field)
• 5+ years of relevant work experience
• Expertise in React.js, React-native, Python, Android & Database
• Experience with Agile or Scrum software development methodologies
• Ability to multi-task, organize, and prioritize work

Basic Requirements:

Firm grasp of Git-based source control
Competent with PHP object-oriented programming & MVC applications
Competent with MySQL-based database concepts
Familiarity with automated deployment strategies Excellent in JavaScript.

Good understanding of jQuery, Bootstrap.

Good understanding of SVN.

Responsibilities

Understand technical requirements
Develop full fledged web applications
End to end software development
Should write test cases & perform extensive self testing
Lead & Mentor team

Technologies

- PHP

- opencart&quot

- MySQL
- MVC
- HTML
- CSS
- Javascript / jQuery
- AJAX