Senior Python Developer

Role: Senior Software Engineer (SDE III) – AI & Backend

Location: Bangalore

Experience: 5-8 Years

Notice: Immediate – 15 Days

Work Mode: Work From Office

Type: Contract to Hire (CTH)

Role Overview

We are looking for a Senior Software Engineer with strong expertise in backend development and AI systems. You will build scalable platforms, AI-powered agents, and real-time voice applications.

What You’ll Do

● Design and develop scalable backend services using Python

● Build microservices, RESTful APIs, and event-driven systems

● Develop AI-powered agents using LLM frameworks and multi-agent systems

● Work on voice systems using STT/TTS and real-time streaming architectures

● Integrate APIs, vector databases, and RAG-based systems

● Collaborate with cross-functional teams and mentor junior engineers

What We’re Looking For

● 5+ years of experience in software development

● Strong proficiency in Python.

● Experience with microservices and distributed systems

● Hands-on experience with LLMs and agent frameworks (LangChain, AutoGen, etc.)

● Familiarity with vector DBs, embeddings, and cloud platforms (AWS/GCP/Azure)

● Good communication skills and ownership mindset

Nice to Have

● Experience with voice systems (STT/TTS) and real-time architecture

● Exposure to MCP or similar frameworks

● Experience building AI copilots or multi-modal systems

We’re looking for a Backend Developer (Python) with a strong foundation in backend technologies and

a deep interest in scalable, low-latency systems.

Key Responsibilities

• Develop, maintain, and optimize backend applications using Python.

• Build and integrate RESTful APIs and microservices.

• Work with relational and NoSQL databases for data storage, retrieval, and optimization.

• Write clean, efficient, and reusable code while following best practices.

• Collaborate with cross-functional teams (frontend, QA, DevOps) to deliver high quality features.

• Participate in code reviews to maintain high coding standards.

• Troubleshoot, debug, and upgrade existing applications.

• Ensure application security, performance, and scalability.

Required Skills & Qualifications:

• 2–4 years of hands-on experience in Python development.

• Strong command over Python frameworks such as Django, Flask, or FastAPI.

• Solid understanding of Object-Oriented Programming (OOP) principles.

• Experience working with databases such as PostgreSQL, MySQL, or MongoDB.

• Proficiency in writing and consuming REST APIs.

• Familiarity with Git and version control workflows.

• Experience with unit testing and frameworks like PyTest or Unittest.

• Knowledge of containerization (Docker) is a plus.

Strong Backend Engineer Profiles

Mandatory (Experience 1) – Must have 2+ years of hands-on Backend Engineering experience building production-grade systems in a B2B SaaS or product environment

Mandatory (Experience 2) – Must have strong backend development experience using at least one backend framework such as FastAPI / Django (Python), Spring (Java), or Express (Node.js)

Mandatory (Experience 3) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices

Mandatory (Experience 4) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling and query optimization

Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems (CRMs, payment gateways, ERPs, data platforms, etc.)

Mandatory (Experience 6) – Must have experience working in cloud-based environments (AWS / GCP / Azure) and be familiar with Git-based collaborative development workflows

Mandatory (Domain) – Experience with financial systems, billing platforms, fintech applications, or SaaS revenue-related workflows is highly preferred

Mandatory (Domain) – Experience with financial systems, billing platforms, or fintech applications is highly preferred (fintech background is a strong plus)

Mandatory (Company) – Must have worked in product companies / startups, preferably Series A to Series D

Preferred

Preferred (Education) – Candidates from Tier - 1 engineering institutes (IITs, BITS are highly preferred)

UKG is looking to hire a Lead Software Engineer to join our extremely talented Data Science team. As a Lead Software Engineer at UKG, you’ll be embedded on the Data Science team where you can work on the next generation AI Platform. You’ll get to work directly with other Engineers, Software Testers, Business Analysts, Product Managers, and Directors, all of whom make up the team. In this highly collaborative environment, you will have the opportunity to grow as a software engineer, and even help mentor others.

This position requires excellent object-oriented programming skills and knowledge of design patterns. They will be involved in the deployment of our AI Platform/Services solution on the cloud. The job requires you to be able to design, develop, troubleshoot, and debug complex software applications at the enterprise level. We are looking for a software engineer who is passionate about programming and truly enjoys what they do. The ideal candidate for the Python Engineer position is someone who has a can-do attitude and is an innovative thinker.

UKG works in an agile environment where there are daily stand-ups, code reviews, and constant communication within each self-managed cross-functional team. The ability to communicate effectively with Business Analysts and Software Testers, as well as work closely with other team members are key components for success in this position.

Primary Responsibilities:

• Collaborate with members of the team to solve challenging engineering tasks on time and with high quality.
• Engage in code reviews and training of team members.
• Support continuous deployment pipeline code.
• Situationally troubleshoot production issues alongside the support team.
• Continually research and recommend product improvements.
• Create and integrate features for our enterprise software solution using the latest Python technologies.
• Write web services, business objects, and other middle-tier framework using Python
• Actively communicate with team members to clarify requirements and overcome obstacles to meet the team goals.
• Leverage open-source and other technologies and languages outside of the Python platform.
• Develop cutting-edge solutions to maximize the performance, scalability, and distributed processing capabilities of the system.
• Provide troubleshooting and root cause analysis for production issues that are escalated to the engineering team.
• Work with development teams in an agile context as it relates to software development, including Kanban, automated unit testing, test fixtures, and pair programming.

Qualifications

• 5-8 years experience as a Python developer on enterprise projects using Python, Flask, FastAPI, Django, PyTest, Celery and other Python frameworks.
• Software development experience including: object-oriented programming, concurrency programming, modern design patterns, RESTful service implementation, micro-service architecture, test-driven development, and acceptance testing.
• Familiarity with tools used to automate the deployment of an enterprise software solution to the cloud, Terraform, GitHub Actions, Concourse, Ansible, etc.
• Proficiency with Git as a version control system
• Experience with Docker and Kubernetes
• Experience with relational SQL and NoSQL databases, including MongoDB and MSSQL.
• Experience with object-oriented languages: Python, Java, Scala, C#, etc.
• Experience with testing tools such as PyTest, Wiremock, xUnit, mocking frameworks, etc.
• Experience with GCP technologies such as BigQuery, GKE, GCS, DataFlow, Kubeflow, and/or VertexAI
• Excellent problem solving and communication skills.

• Working knowledge of XML, JAVA, REST, SOAP etc
• Basic knowledge of SQL, including the ability to author ad-hoc database queries.
• Is comfortable writing code in Ruby, Python, JavaScript, and Java and enjoys learning new languages and technologies.
• Has experience integrating  APIs (major plus)
• Experienced integrating RESTful APIs into web applications (a plus)
• Is experienced with Github or the likes.
• Should have worked on Payment Gateway Applications.

• Has a technical degree in Computer Science, Engineering or Mathematics (MBA is an asset)
• Technical Product/Software certifications an asset
• Has 3 to 5 years of experience in a similar client-facing role
• Has previous experience in a traditional software engineering or Implementation role.
• Has strong analytical and debugging skills.
• Experienced with Salesforce is a plus
• Solution-driven, able to grasp new concepts quickly and efficiently, able to work alone or in a team, able to work with no supervision and under pressure
• Excels in a collaborative and cross-functional environment.
• Demonstrates professional communication skills on technical and business-related subjects
• Experience working with payment gateways a major plus including ecommerce and Retail Experience with continuous integration and test-driven development methodologies a plus
• Excellent time management, organization, and planning skills are essential
• Flexibility to travel as required to meet with clients
• Ability to comprehend and translate complex technical issues and apply to business solutions
• Demonstrate ability to articulate complex technical terms or processes into business language
• Ability to synthesize technical information and apply to business solutions
• Able to set priorities, influence others, and manage customer and partner expectations
• Demonstrated success in customer and partner relationship management
• You are motivated, think outside of the box, and understand the purpose of process and procedures

Job Highlights

• Must be proficient in PHP,WordPress MVC,MySQL,CSS,HTML,JavaScript,AJAX,JSON Should possess strong experience on Symfony
• Must have experience in API Development
• Good knowledge of relational databases,version control tools and of developing web services Solve complex performance problems and architectural challenges
• 1 -3 years experience with PHP-framework based Development

Job description

• Looking for a PHP Developer responsible for managing back-end services and the interchange of data between the server and the users. His primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to request from the front-end. Therefore, a basic understanding of front-end technologies is necessary as well.

Key Responsibilities

• Head responsibility to evaluate, design, develop and assist application systems. Integration of user-facing elements developed by front-end developers.
• Build efficient, testable, and reusable PHP modules.
• Integration of data storage solutions & Contribute in all phases of the development lifecycle. Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality.
• Develop and deploy new features to facilitate related procedures and tools if necessary.

Roles & Responsibilities:

• You will be coordinating our enterprise account-specific teams called squads, consisting of members from engineering, machine-learning, and conversation-design teams.
• There are five working groups in the organization, (i) Business (ii) Research (iii) Solutions (iv) Product, and (v) Operations, where you will be joining the Solutions, working group.
• You will be collaborating with the sales team to design an appropriate solution to the customer's problems and help them showcase the value of the product.
• You will be collaborating with the operations team to ensure we are not compromising on our quality standards.
• You will also be co-working with the product working group to help them improve the overall platform and to prioritize the high-impact initiatives in the roadmap.

Work you will be doing:

• You will be building bespoke voice bots for enterprise clients using internal tools.
• You're expected to help build the Solutions stack whose goal is to reduce the amount of effort put into building our voice bots. 
• You will be involved in analyzing client calls where you're expected to use either data pipelines or SQL to get insights into caller behavior.

• Professional experience of at least 1 year.
• Has experience with integrating or building HTTP APIs
• Has hands-on experience working with Python
• Good communicator

Optional Requirements:

• Has experience working in any of Django Rest Framework, Redis, Celery

Skit uses a microservices architecture where we employ both HTTP and GRPC to communicate between our services

• Experience in PHP & MySQLi, various open source frameworks,
• Strong knowledge in JavaScript, XHTML, CSS, AJAX, SQL,
• Strong Knowledge in Frameworks like Laravel
• Strong skills of APIs Creation & integration
• Knowledge of Cloud Servers like AWS, Digital ocean
• Know how to Secure the PHP Scripts from attacks or injections,

Requirements:

• Academic degree (BE / MCA) with 3-10 years of experience in back-end Development.
• Strong knowledge of OOPS concepts, Analyzing, Designing, Development and Unit testing
• Scala technologies, AKKA, REST Webservices, SOAP, Jackson JSON API, JUnit, Mockito, Maven
• Hands-on experience with Play framework
• Familiarity with Microservice Architecture
• Experience working with Apache Tomcat server or TomEE
• Experience working with SQL databases (MySQL, PostgreSQL, Cassandra), writing custom queries, procedures, and designing schemas.
• Good to have front end experience (JavaScript, Angular JS/ React JS)