

**Company Overview**
We are a VC-backed fintech startup developing an innovative online trading platform. As we scale, we're seeking a skilled Backend Engineer with expertise in Python to join our growing team and help build a robust, scalable infrastructure for our cutting-edge trading application.
We're based out of the UK and have our engineering team in India.
**Job Description**
We are looking for a backend developer who specialises in Python. Your role will focus on developing and maintaining the server-side logic, optimising performance, and ensuring seamless integration with the frontend. You’ll work closely with the engineering and product teams to deliver a high-quality, secure, and scalable platform.
**Responsibilities**
1. Develop and maintain server-side logic using Python
2. Design and implement APIs for seamless integration with frontend components
3. Optimise backend performance and scalability for high traffic and large data loads
4. Build and maintain databases, ensuring security, data integrity, and optimal performance
5. Collaborate with frontend engineers to ensure smooth integration between backend and frontend systems
6. Troubleshoot, debug, and optimise backend infrastructure
7. Implement data protection, security protocols, and authentication mechanisms (e.g., JWT)
8. Maintain and enhance real-time communication systems using WebSockets or similar protocols
**Required Skills**
1. Strong proficiency in Python and related technologies, knowledge of databases and SQL, and experience with web frameworks like Django or FastAPI
2. Strong analytical and troubleshooting skills, and the ability to solve problems
3. Good understanding of OOPs, task broking services, Queues, Redis
4. Familiarity with RESTful API design and integration
5. Strong understanding of database management (e.g., PostgreSQL, Redis) and caching strategies
6. Familiarity with modern authentication and authorization mechanisms (e.g., JWT, OAuth)
7. Proficiency in working with cloud hosting services (AWS, Google Cloud, etc.)
8. Experience with containerization and orchestration tools (Docker, Kubernetes)
9. Knowledge of real-time communication protocols (e.g., WebSockets, TCP, SSE)
10. Strong understanding of security best practices for server-side applications
11. Experience with version control (Git) and CI/CD pipelines
12. Minimum of 2-3.5 years of experience building scalable backend systems
**Perks**
1. Work From Anywhere Flexibility
2. Unlimited Leaves policy*
3. Competitive salary and unlimited growth opportunities
4. Insights on how HFT is done using cutting edge technology
If you’re passionate about building scalable, high-performance backend systems and want to be part of a cutting-edge fintech startup, we’d love to hear from you!

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About Company
Espressif Systems (688018) is a public multinational, fabless semiconductor company established in 2008, with headquarters in Shanghai and offices in Greater China, India, and Europe. We have a passionate team of engineers and scientists from all over the world, focused on developing cutting-edge WiFi-and-Bluetooth, low-power IoT solutions. We have created the popular ESP8266 and ESP32 series of chips, modules, and development boards. By leveraging wireless computing, we provide green, versatile, and cost-effective chipsets. We have always been committed to offering IoT solutions that are secure, robust, and power-efficient. By open-sourcing our technology, we aim to enable developers to use Espressif’s technology globally and build smart connected devices. In July 2019, Espressif made its Initial Public Offering on the Sci-Tech Innovation Board (STAR) of the Shanghai Stock Exchange (SSE).
Espressif has a technology center in Pune. The focus is on embedded software engineering and IoT solutions for our growing customers.
About the Role
Espressif’s https://rainmaker.espressif.com/ is a paradigm-shifting IoT cloud platform that provides seamless connectivity to IoT devices to mobile apps, voice assistants, and other services. It is designed with scalability, security, reliability, and operational cost at the center. We are looking for senior cloud engineers who can significantly contribute to this platform by means of architecture, design, and implementation. It’s highly desirable that the candidate has earlier experience of working on large-scale cloud product development and understand the responsibilities and challenges well. Strong hands-on experience in writing code in Go, Java, or Python is a must.
This is an individual contributor role.
Minimum Qualifications
-
BE/B.Tech in Computer Science with 5-10 years of experience.
-
Strong Computer Science Fundamentals.
-
Extensive programming experience in one of these programming languages ( Java, Go, Python) is a must.
-
Good working experience of any of the Cloud Platforms - AWS, Azure, Google Cloud Platform.
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Certification in any of these cloud platforms will be an added advantage.
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Good Experience in the development of RESTful APIs, handling the security and
performance aspects.
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Strong debugging and troubleshooting skills.
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Experience working with RDBMS or any NoSQL database like DynamoDB, MYSQL, Oracle.
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Working knowledge about CI/CD tools - Maven/Gradle, Jenkins, experience in a Linux (or Unix) based environment.
Desired Qualifications
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Exposure to Serverless computing frameworks like AWS Lambda, Google Cloud Functions, Azure Functions
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Some Exposure to front end development tools - HTML5, CSS, Javascript, React.js/Anular.js
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Working knowledge on Docker, Jenkins.
Prior experience working in the IoT domain will be an added advantage.
What to expect from our interview process
-
The first step is to email your resume or apply to the relevant open position, along with a sample of something you have worked on such as a public GitHub repo or side project, etc.
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Next, post shortlisting your profile recruiter will get in touch with you via a mechanism that works for you e.g. via email, phone. This will be a short chat to learn more about your background and interests, to share more about the job and Espressif, and to answer any initial questions you have.
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Successful candidates will then be invited for 2 to 3 rounds of the technical interviews as per the previous round feedback.
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Finally, Successful candidates will have interviews with HR. What you offer us
-
Ability to provide technical solutions, support that fosters collaboration and innovation.
Ability to balance a variety of technical needs and priorities according to Espressif’s growing needs.
What we offer
- An open-minded, collaborative culture of enthusiastic technologists.
- Competitive salary
- 100% company paid medical/dental/vision/life coverage
- Frequent training by experienced colleagues and chances to take international trips, attend exhibitions, technical meetups, and seminars.


Job Description: Python Backend Developer
Experience: 7-12 years
Job Type: Full-time
Job Overview:
Wissen Technology is looking for a highly experienced Python Backend Developer with 7-12 years of experience to join our team. The ideal candidate will have deep expertise in backend development using Python, with a strong focus on Django and Flask frameworks.
Key Responsibilities:
- Develop and maintain robust backend services and APIs using Python, Django, and Flask.
- Design scalable and efficient database schemas, integrating with both relational and NoSQL databases.
- Collaborate with front-end developers and other team members to establish objectives and design functional, cohesive code.
- Optimize applications for maximum speed and scalability.
- Ensure security and data protection protocols are implemented effectively.
- Troubleshoot and debug applications to ensure a seamless user experience.
- Participate in code reviews, testing, and quality assurance processes.
Required Skills:
Python: Extensive experience in backend development using Python.
Django & Flask: Proficiency in Django and Flask frameworks.
Database Management: Strong knowledge of databases such as PostgreSQL, MySQL, and MongoDB.
API Development: Expertise in building and maintaining RESTful APIs.
Security: Understanding of security best practices and data protection measures.
Version Control: Experience with Git for collaboration and version control.
Problem-Solving: Strong analytical skills with a focus on writing clean, efficient code.
Communication: Excellent communication and teamwork skills.
Preferred Qualifications:
- Experience with cloud services like AWS, Azure, or GCP.
- Familiarity with Docker and containerization.
- Knowledge of CI/CD practices.
Why Join Wissen Technology?
- Opportunity to work on innovative projects with a cutting-edge technology stack.
- Competitive compensation and benefits package.
- A supportive environment that fosters professional growth and learning.


Job DescriptionWe are seeking an experienced HubSpot CRM Developer to join our team. The ideal candidate will have a strong background in HubSpot development, integrations, and dashboard creation while working with cross-functional teams to optimize CRM functionality.
Key Responsibilities:● Develop, customize, and optimize HubSpot CRM to meet business needs.
● Integrate HubSpot with other technologies and external business intelligence tools like Power BI and Tableau.
● Build and maintain dashboards and reports to support marketing, sales, operations, and finance teams.
● Work with backend technologies (PHP, Python, Node.js, etc.) to implement integrations and automation.
● High proficiency in JavaScript.
● Develop and maintain scripts in any suitable scripting language to support CRM functionality.
● Ensure seamless data flow and synchronization between HubSpot and external platforms.
● Collaborate with multiple teams to understand data requirements and optimize CRM processes.
Requirements:● 7-10 years of relevant experience in HubSpot development and integration.
● Strong expertise in backend development using any PHP, Python, or Node.js.
● High proficiency in JavaScript and any scripting languages.
● Experience in HubSpot API integration with other platforms.
● Proficiency in dashboard and reporting tools like Power BI and Tableau.
● Ability to work independently (IC role) while collaborating with cross-functional teams.
● Must have experience in handling end-to-end projects from scratch.
● Exposure to multiple industries/domains is preferred (not limited to a single company for 5-10 years).

Hands-on experience with RESTful services, API design are must.
Knowledge of microservices architecture is must.
Knowledge of design patterns is a must.
Strong knowledge of Exception handling and logging mechanism is a must.
Agile scrum participation experience. Work experience with several agile teams on an application built
with microservices and event-based architectures to be deployed on hybrid (on-prem/cloud)
environments.
Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM frameworks like JPA/Hibernate.
Experience in managing the Source Code Base through Version Control tools like SVN, GitHub,
Bitbucket, etc.
Experience in using and configuration of Continuous Integration tools Jenkins, Travis, GitLab, etc.
Experience in the design and development of SaaS/PaaS-based architecture and tenancy models.
Experience in SaaS/PaaS-based application development used by a high volume of
subscribers/customers.
Awareness and understanding of data security and privacy.
Experience in performing Java Code Reviews using review tools like SonarQube, etc.
Good understanding of end-to-end software development lifecycle. Ability to read and understand
requirements and design documents.
Good Analytical skills and should be self-driven.
Good communication with interpersonal skills.
Open to learning new technologies and domains.
A good team player and ready to take up new challenges. Active communication and coordination with
Clients and Internal stakeholders
Requirements: Skills and Qualifications
6-8 years of experience in developing Java/J2EE-based Enterprise Web Applications
Languages: Java, J2EE, and Python
Databases: MySQL, Oracle, SQL Server, PostgreSQL, Redshift, MongoDB
DB Script: SQL and PL/SQL
Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
OS: Windows, Linux/Unix.
Cloud Services: AWS and Azure
Version Controls/ DevOps tools: Git, Bitbucket and Jenkins.
Message brokers: RabbitMQ, and Kafka
Deployment Servers: Tomcat, Docker, and Kubernetes
Build Tools: Gradle/Maven


We are looking for an experienced top-notch Python developer to grow with our dev team. As a Python Developer, you will be involved from conception to completion with projects that are technologically sound. Role and Responsibilities
• Expert in Python, with knowledge of at least one Python web framework {such as Django, Flask, etc}
• Familiarity with some ORM (Object Relational Mapper) libraries
• Able to integrate multiple data sources and databases into one system
• Understanding of the threading limitations of Python, and multi-process architecture
• Good understanding of server-side templating languages
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Understanding of accessibility and security compliance • Knowledge of user authentication and authorization between multiple systems, servers, and environments
• Understanding of fundamental design principles behind a scalable application
• Familiarity with event-driven programming in Python
• Able to create database schemas that represent and support business processes
• Strong unit test and debugging skills
• Develop and adhere to best-practices for developing applications
• Continuously contribute to team performance improvement and collaboration
• Work and collaborate with the rest of the engineering team
• Work with product team and graphic designers Technical Skills
• Experience in Python and frameworks such as Django, Flask, etc
• Ability to solve problems creatively and effectively
• Git knowledge is a plus
• Experience working in an Agile/Scrum development process
• Team player
• Good time-management skills
• Great interpersonal and communication skills
Qualifications
• B.S Degree in Computer Science
• 4-6 years overall IT industry experience

• Developing back-end components to improve responsiveness and overall performance
• Integrating user-facing elements into applications
• Test and debug programs
• Improve functionality of existing systems
• Implement security and data protection solutions
• Assess and prioritize feature requests
• Coordinate with internal teams to understand user requirements and provide technical
solutions



Should be highly Technical and hands-on experience in Artificial Intelligence and Machine learning and Python. Managing the successful delivery of projects by efficient planning and coordination.
KEY RESPONSIBILITIES OF THE POSITION :
- Create Technical Design for AI, Machine Learning, Deep Learning, NLP, NLU, NLG projects and implement the same in production.
- Solid understanding and experience of deep learning architectures and algorithms
- Working experience with AWS, most importantly AWS SageMaker, Aurora or MongoDB, Analytics and reporting.
- Experience solving problems in the industry using deep learning methods such as recurrent neural networks (RNN, LSTM), convolutional neural nets, auto-encoders, etc.
- Should have experience of 2-3 production implementations of machine learning projects.
- Knowledge of open-source libraries such as Keras, Tensor Flow, Pytorch
- Work with business analysts/consultants and other necessary teams to create a strong solution
- Should have in-depth understanding and experience of Data Science and Machine Learning projects using Python, R, etc. Skills in Java/C are a plus
- Should developing solutions using python in AI/ML projects
- Should be able to train and build a team of technical developers
- Desired to have experience as leads in designing and developing applications/tools using Microsoft technologies - ASP.Net, C#, HTML5, MVC
- Desired to have knowledge on any of the cloud solutions such as Azure or AWS
- Desired to have knowledge on any of container technology such as Docker
- Should be able to build strong relationships with project stakeholders
Keywords:
- Python
- Artificial Intelligence
- Machine Learning
- AWS
- Django
- NLP
As engineeing lead, you would be responsible for driving day to day development activities including coordination with customers and project management team in US. You are expected to be hands-on with the technology stacks we work with so you can contribute as a developer across projects on need basis.
Role & Responsibilities
- Lead the engineering effort across projects
- Interface with key stakeholders and apply your technical proficiency across different stages including Application Architecture, Design and Development
- Understand client's business requirements and be able to map them to technology solutions and make them work
- Design and build modern solutions informed by a deep understanding of cloud architecture and how distributed systems operate at scale
- Provide regular support and guidance to teams on complex coding, issue resolution and execution
- Establish and enforce best development and engineering practices including QA and DevOps
- Lead and manage your own team, but also get down to coding, testing, and designing solutions as and when needed
- Communicate effectively with teams, clients and business leaders within the company
Skills & Experience
- Minimum 6+ years of experience designing and building full stack applications using UI frameworks like Angular, React or Vue.JS and backend frameworks like Node.JS/ExpressJS or Python/Django/Flask or Laravel/Yii2/Symphony
- Minimum 2-3 years of experience as a Technical Lead mentoring team of 3 to 5 developers
- Strong knowlegde of cloud and distributed systems (AWS, GCP, Azure). Cloud certifications would be an added advantage.
- Deep knowledge of relational databases, SQL and NoSQL databases. Experience with Graph databases like Neo4j is desirable.
- Proficient in Git and CI-CD frameworks
- Strong communicator with visual, verbal, and writing skills to clearly articulate complex design problems and solutions
- Ability to work in an agile environment




