Jobs Python

Description
 

We are a unified ecosystem of products and services under one brand, including SplitMetrics Acquire (formerly SearchAdsHQ), SplitMetrics Optimize — our award-winning A/B testing and ASO platform of 2022 — and SplitMetrics Agency.
 

Requirements
 

- 7+ years of backend engineering experience including distributed systems design
- 3+ years in a role with technical leadership responsibilities (team leader, senior leading others, etc.)
- Experience with planning, estimation and delivering complex projects
- Strong understanding of performance optimization and scalability principles
- Confident in owning decisions with business impact
- Able to work under high delivery pressure and manage trade-offs
- Excellent communication skills in English (B2)

Responsibilities
 

- Take full ownership of planning and delivering platform roadmap items
- Lead the backend engineers + QA engineers in the team, organize day-to-day work and ensure predictable delivery
- Plan work for the next quarter and contribute to high-level multi-quarter planning together with Director of Engineering
- Improve delivery accuracy, reduce delays, and manage risks early
- Design and develop scalable high-load backend solutions used across the company
- Optimize data flows, performance, and system reliability
- Drive modernization of legacy services, architecture improvements and technical debt reduction
- Collaborate with product owners, solution architects and other teams on priorities and alignment
- Ensure proper documentation, visibility and knowledge sharing inside the team

Meet the YozmaTech

YozmaTech isn’t just another tech company - we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster. We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact. Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family - you’ll feel right at home with us.

Our client's product is a cloud-based financial planning and analysis (FP&A) platform designed for SMBs, transforming manual monthly and quarterly reporting into automated, scalable processes.
Solution connects to organizational systems such as ERP, CRM, HRIS, and complex Excel files, consolidating all data into a single cloud-based database. Product automates critical financial transformations including FX conversions, eliminations, hierarchies, financial adjustments, and more while allowing end-users to continue working in Excel as they always have.
Serving primarily the US market, our client is experiencing strong and sustained growth. This is an exciting opportunity to lead a multidisciplinary R&D team and work on a cutting-edge SaaS product at scale.

Our technology teams are the engine of our business.
We maintain a dynamic startup culture that encourages innovation, ownership, and critical thinking. On our project, you’ll collaborate with a global team of engineers, architects, product managers, and customer-facing teams to shape the future of financial planning and analysis.

Key Requirements:

🔹 BSc in Computer Science or equivalent;
🔹 8+ years of software engineering experience, including 5+ years of Python in production;
🔹 3+ years in an R&D Team Lead role, leading cross-functional teams (backend, frontend, and QA) in a production environment;
🔹 Proven experience managing and leading remote teams in a fully distributed, remote-only environment;
🔹 Proven experience working in a product-based company (not project/outsource);
🔹 Strong experience with Python backend development in a SaaS environment, including cloud-based, scalable, and high-availability distributed systems;
🔹 Strong knowledge of REST APIs, microservices, asynchronous programming, and testing;
🔹 Hands-on experience with CI/CD pipelines and Infrastructure-as-Code (e.g., Terraform, Helm);
🔹 Solid understanding of software architecture, design patterns, and technical trade-offs;
🔹 Proven ability to lead projects end-to-end, from requirements and design through development and production;
🔹 Excellent communication skills and high proficiency in English;

Technical Experience:
🔹 Python frameworks: Django, FastAPI;
🔹 Databases: PostgreSQL, MSSQL;
🔹 Messaging & async processing: Celery, RabbitMQ;
🔹 Caching & performance: Redis;
🔹 Cloud platforms and services (Azure – advantage);
🔹 Familiarity with event-driven architectures and distributed systems;
🔹 Strong grasp of KISS, DRY, SOLID, OOP principles;

Will be plus:

🔹 Experience with Azure cloud services;

What you will do:

🔹 Lead and manage a cross-functional R&D team of 5–7 engineers, including backend (Python), frontend (Angular), and QA engineers;
🔹 Own end-to-end product development, from initial requirements and design, through development, testing, deployment, and production monitoring & troubleshooting;
🔹 Provide hands-on technical leadership, including architecture design, coding when needed, and thorough code reviews;
🔹 Work closely with Product Managers and Architects to define scope, prioritize backlog, and deliver high-quality features;
🔹 Drive engineering best practices: clean code, testing, CI/CD, performance, reliability, and security;
🔹 Be accountable for team delivery, quality, velocity, and stability;
🔹 Define team goals, KPIs, and success metrics;
🔹 Mentor and develop team members, supporting their professional and technical growth;
🔹 Participate in hiring, onboarding, and training of new team members;
🔹 Actively monitor production systems, lead incident response, root-cause analysis, and continuous improvement;

Interview stages:

🔹 HR Interview;
🔹 Tech interview with Team Lead;
🔹 Interview with PM;
🔹 Interview with VP R&D (optional);
🔹 Reference check;
🔹 Offer.

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products - and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.

From day one, you’ll get:

🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer. You’ll always know what project you’re joining - and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

Our client is an international product-based IT company specializing in the iGaming industry. Born in 2014, they rocked the CIS region, and now take the success to the world.

We are currently looking for a Python Developer to join the Core team.

👥 About the team:

The Core team is responsible for the mission-critical services of the platform: user management (IAM), financial transactions, anti-fraud, and event history.
We are actively decomposing a legacy monolith (Python/Tornado) and rewriting critical parts of the system using a modern tech stack.

📋 Key responsibilities and your contribution:

• Decomposing the monolith by extracting functionality from the Core service (Python 3.6+/Tornado) into microservices
• Developing and supporting services for transaction processing (a business-critical area)
• Designing asynchronous processes with RabbitMQ/Kafka
• Optimizing MongoDB (shared database antipattern) and migrating services to PostgreSQL
• Integrating with internal payment systems and external anti-fraud providers
• Refactoring heavily debt-loaded code (tech debt 9/10) and increasing test coverage (currently <20%)
• Building and optimizing server-side applications and microservices for processing data
• Setting up and maintaining integrations with external financial systems, payment gateways
• Writing unit tests, conducting integration testing, optimizing performance, and debugging code issues

📚 Your qualifications:

• 4+ years of experience with Python (working with both legacy and modern code)
• Strong knowledge of PostgreSQL and MongoDB in production
• Experience with asynchronous programming (asyncio, multithreading)
• Solid skills in SQL and ORM usage (we are migrating to PostgreSQL)
• Hands-on experience with high-load systems
• Strong debugging, optimization, and problem-solving skills
• Excellent communication skills to collaborate with technical and non-technical stakeholders

➕ Nice to have:

• Experience decomposing monoliths into microservices
• ORM optimization via RAW queries
• FastAPI framework knowledge
• Familiarity with GoLang or Node.js
• Experience with RabbitMQ/Kafka
• Previous work with financial systems or payment solutions
• Experience with Redis

We are looking for a skilled Python Developer to join our growing team. You will work on building and maintaining high-quality backend solutions, improving system performance, and contributing to the technical architecture of our products.

Responsibilities

- Develop, maintain, and optimize backend services using Python.

- Design and improve application logic, data processing workflows, and integrations.

- Collaborate with the team to define technical requirements and implement best practices.

- Write clean, well-structured, and testable code.

- Participate in code reviews and contribute to continuous improvement.

- Work closely with frontend developers.
 

Requirements

- Strong experience with Python development.

- Solid understanding of software design principles, clean code, and modern development practices.

- Experience working with APIs, data structures, and system integrations.

- Ability to work independently as well as in a team environment.

- Good communication skills and attention to detail.

- Upper-Intermediate English.
 

Nice to Have

- Experience with React.js or understanding of frontend-backend collaboration.

- Familiarity with cloud platforms, CI/CD, or containerization tools.

- Knowledge of SQL or NoSQL databases.

We are looking for a skilled Python Developer to become a part of our team.

Requirements

• 5+ years of experience in development
• Proficient in web development with strong hands-on experience using the FastAPI framework.
• Production experience with Generative AI and Large Language Models (LLMs) to solve real-world problems and in developing agentic AI applications to enhance AI interaction.
• Familiarity with multi agent patterns, approaches and frameworks, such as LangGraph, AutoGen, Crew AI, Google ADK, etc.
• Experience with Pydantic for data validation and schema definition in Python applications.
• Skilled in asynchronous and parallel programming, with practical knowledge of asyncio.
• Proficiency working with non-relational databases, including MongoDB.
• Strong analytical and problem-solving abilities with a detail-oriented mindset.
• Practical and pragmatic approach to balancing standardized processes with flexibility to meet project goals effectively.
• Excellent organizational skills with the ability to self-manage, prioritize tasks, structure workload, and meet tight deadlines.

Nice to have

• Experience working with Azure Cloud services (or other major cloud platforms), including a range of SaaS offerings such as Service Bus, Data Lake, Blob Storage, Redis, and more.
• Familiarity with agentic protocols such as MCP and A2A is a strong plus.
• Hands-on experience with the LangGraph stack, including long-term memory, human-in-the-loop workflows, and state management, is highly desirable.
• Familiarity with .NET is considered a plus.
• Hands-on experience with containerization and orchestration tools such as Docker and Kubernetes.
• Solid understanding of microservices architecture and its implementation in scalable systems.

Responsibilities

• Define and enforce best practices and coding standards across the project.
• Conduct thorough code reviews to ensure adherence to established guidelines and maintain high code quality.
• Working both independently and in close collaboration with others in the team
• Communicating clear instructions to team members and help manage the flow of day-to-day operations
• Communicating with the client on a regular basis
• Design, develop, and maintain robust and scalable Python applications.
• Write clean, maintainable, and efficient code following best practices and coding standards.
• Optimize code for performance and scalability, ensuring efficient data handling.
• Work closely with cross-functional teams to deliver high-quality software solutions.
• Identify and resolve technical issues, ensuring the reliability and performance of applications.
• Create and maintain comprehensive documentation for code, processes, and workflows.
• Provide guidance and mentorship to less skilled developers, fostering a collaborative and productive team environment.

Stellar Jet — is an innovative R&D bureau and experimental manufacturing company. We collaborate with leading Ukrainian and international companies to create exceptional technological solutions.

We are seeking a skilled Middle (Senior) Python Developer with a solid understanding of data structures and algorithms, and a passion for working on cutting-edge technologies in the defense sector.

Key Responsibilities:
— Maintain and enhance existing codebases;
— Collaborate in designing system architectures;
— Develop software prototypes to validate concepts, test new libraries, and evaluate hardware interactions;
— Produce comprehensive documentation for codebases, system designs, and testing procedures.

Requirements:
— Bachelor’s degree in Computer Science, Engineering, or a related field;​
— 3+ years of experience in Python development, with a focus on IoT and hardware integration;
— Solid background in Python (architecture, threading, multiprocessing);
— Experience with real-time data exchange using sockets and web sockets;​
— Regular use of Git and CI/CD pipelines;​
— Comfortable working in a Linux environment;
— Upper-Intermediate English.

Nice to have:
— Experience with single-board computers (Raspberry Pi, Jetson) and familiarity with flight control software (ArduPilot, INAV, MAVLink);
— Strong knowledge of scientific and data manipulation libraries (SciPy, NumPy, pandas, OpenCV, scikit-image, PyTorch);
— Knowledge of APIs for mapping and geospatial data (Leaflet, OpenLayers, Mapbox) and GIS systems (e.g., GDAL);
— Deep understanding of ROS and ROS2.

What We Offer:
— Official employment via Дія Сіті and paid vacation;
— Comprehensive sick leave compensation;
— Military deferment and full support throughout the documentation process;
— Spacious office next to the metro (right shore);
— Gym, yoga studio, massage room and cafe;
— Career development system with clear skill qualifications;
— Competitive salary with regular performance-based reviews;
— Involvement in large-scale defense tech projects of national importance.

PROJECT DESCRIPTION

Сompany is a provider of intelligent digital forensics and media exploitation software. Leveraging an innovative approach, our easy-to-use tools rapidly extract actionable intelligence to help identify and capture suspects who threaten communities or national security. We are seeking a talented and motivated Python software engineer to join our expanding team and lead the development of one of the most important components of our products. The position requires working from our office in Lviv.
Must be a team player in a distributed work environment. Be a great communicator and know how to make your work visible.
 

• 5+ years of Python development on Windows/Linux working on complex algorithms, file and data structure parsing, data processing, multithreading, and code optimization.
• 2+ years of C/C++ development on Windows working on complex algorithms, file and data structure parsing, file and data processing, multithreading, RPC, and code optimization.
• Consistently write unit tests.
• Experience with Windows API and macOS API.
• Experience with code instrumentation (cProfile, PyInstrument, xperf, etc).
• Experience with SQL queries and sqlite in particular.
• Experience with build scripts and continuous integration (GitHub, cmake).
• Familiar with Scrum.
• Upper-Intermediate English.
• The position requires working from our office in Lviv.
   

We are a unified ecosystem of products and services under one brand, including SplitMetrics Acquire (formerly SearchAdsHQ), SplitMetrics Optimize — our award-winning A/B testing and ASO platform of 2022 — and SplitMetrics Agency.
 

Desired Skills and Experience:

- 7+ years of backend engineering experience including distributed systems design
- 3+ years in a role with technical leadership responsibilities (team leader, senior leading others, etc.)
- Experience with planning, estimation and delivering complex projects
- Strong understanding of performance optimization and scalability principles
- Confident in owning decisions with business impact
- Able to work under high delivery pressure and manage trade-offs
- Excellent communication skills in English (B2)

Responsibilities:

- Take full ownership of planning and delivering platform roadmap items
- Lead the backend engineers + QA engineers in the team, organize day-to-day work and ensure predictable delivery
- Plan work for the next quarter and contribute to high-level multi-quarter planning together with Director of Engineering
- Improve delivery accuracy, reduce delays, and manage risks early
- Design and develop scalable high-load backend solutions used across the company
- Optimize data flows, performance, and system reliability
- Drive modernization of legacy services, architecture improvements and technical debt reduction
- Collaborate with product owners, solution architects and other teams on priorities and alignment
- Ensure proper documentation, visibility and knowledge sharing inside the team

Mirko Solutions is an international IT company specializing in web and mobile development for clients in the US, Canada, EU, and Australia. We are growing rapidly and are currently looking for a Senior Python Backend Engineer for a new international project.

About the role:
Our backend is developed all in Python running in the cloud over k8s. It's not a typical backend interacting with a UI frontend, handling audio streams in real-time. Our systems integrate with a large number of third party services. Because of the myriad of
challenges and the fast pace of a startup, each team member gets to experience a lot of professional growth and ownership

In this role, you will:

🔸 Design, implement and integrate configurable conversational pipelines for various order-taking scenarios. 

🔸 Work hand in hand with the ML engineers and integrate

🔸 Generative AI based pipelines into production. 

🔸 Triage and analyze production AI performance issues. 

🔸 Debug complex conversational flow scenarios. 

🔸 Own and maintain data analysis pipelines and tools. 

🔸 Implement and maintain infrastructure for automated tests of all AI related pipelines ensuring stability and accuracy.

Qualifications:

🔸 10+ years experience in Python

🔸 BSc in Software Development or equivalent industry experience
🔸 Strong backend development and software architecture skills

🔸Significant experience with at least one strongly typed language (Rust, C++, Go, Swift, Java, etc)
🔸 Experience in developing and deploying multiple projects used in production
🔸 Experience with CI/CD, Clouds (AWS/GCP/Azure), Linux, Docker, Kubernetes.
🔸 Experience with Data Pipelines, ETL.
🔸 Prior experience working in startups.
🔸 2+ years of experience as a tech lead or team lead. 

Bonus:

🔸 Experience with conversational AI applications.
🔸 Knowledge of concurrency.
🔸 Experience with React. 

We offer:

🔸 remote work (full-time);

🔸 projects for international clients;

🔸 a team of experienced colleagues who will support your development;

🔸 a friendly atmosphere and opportunities for professional growth.

Your Project

Our client specializes in building and operating the online infrastructure that powers multiplayer experiences for some of the world’s most popular video games. They design and manage backend services that handle everything from player authentication and matchmaking to leaderboards and in-game transactions. Their technology ensures that millions of players can connect, compete, and interact seamlessly across platforms. By focusing on scalability, reliability, and performance, they enable game studios to deliver rich, engaging online features without compromising quality or stability.
The team you’ll join is responsible for the database platform for the company. They provide the technology to other internal teams to configure and deploy their services & game titles; maintain and upgrade database technologies; ensure stability and scalability across systems. We are looking for a person with excellent Python programming background, hands on experience working in k8s environment and proficient with the database technologies.

Your Role

• Develop, maintain and evolve the database platform and adapt it for cloud technologies
• Ensure high scalability and maintainability of the components
• Contribute to and review designs and code from other team members
• Perform testing and provide tooling to maintain up-to-date systems.
• Collaborate across teams to remediate database issues.
• Support migration from VMs to Kubernetes.

Your Profile

• At least 6-7 years of Python development experience.
• Understanding of REST APIs.
• Strong experience with MySQL, Cassandra, or similar technologies.
• Experience with Docker.
• Experience with cloud services.
• Familiarity with Vitess and/or Redis, or similar.
• Continuous integration and agile methodologies.
• Excellent communication and self-management skills

• At least Upper-Intermediate English level.

Would be a plus

• Previous experience designing and building tooling for use by other engineers.
• Experience with Kubernetes highly desirable.
• Experience with game development or game engines
• Experience with large scale services (up to millions of concurrent users)
• Experience with Azure or GCP

Additional Notes
• Strong Python developer experience is critical.
• Collaboration and adaptability are key for cross-team work.

Description

Our Customer is one of the biggest companies on the market of home entertainment consumer electronics devices that strives to provide their clients with high-quality products and services.

Project goals include automation testing of the video and audio content and other services available via digital media players using a custom test automation framework.

Requirements

• 3-4 or more years as a Python developer
• Experience in developing and supporting testing frameworks, and developing automated test scripts (would be a plus)
• Understanding of Page Object pattern, knowledge of other automation patterns;
• Good working knowledge of at least one Linux/Unix-based platform as well as Windows;
• Experience in QA methodologies, a clear understanding of QA processes and artifacts;
• Experience with Scrum/Agile;
• Good communication and problem-solving skills;
• Excellent written and verbal English communication skills, developed interpersonal skills;
• Highly motivated, energetic, and able to easily switch between assignments. Ready for challenges!

Job responsibilities

Responsibilities:

• Working with the solid automation test framework and infrastructure;
• Developing new and updating existing automation scripts;
• Code review;
• Debugging issues and creating bug reports;
• Documentation creation;
• Communication with international teams (US, UK)

Looking for a Django/DRF Developer to join the Dataforest team. If you are looking for a friendly team, a healthy working environment, and a flexible schedule ‒ you have found the right place to send your CV.

     Skills requirements:

• 2 + years of experience with Django and it's components;
• Experience with RESTful APIs, DRF and related libraries;
• Experience with Celery and async task management;
• Experience with SQL and query optimisation;
• Experience of writing tests;
• Able to work independently and excellent in communicating challenges and issues;
   

     Optional skills (as a plus):

• Experience with AWS services (EC2, API Gateways, Lambda, SQS);
• Experience with NoSQL databases (Redis, Elasticsearch, etc.);
• Experience of end-to-end implementation for new functionality;
• Experience with payment systems integrations (Stripe, Shopify, Recurly, Paypal, Braintree, etc.);
• Experience with chargeback management tools (Ethoca, RDR, CDRN, etc.);
• Understanding how to handle high load on projects;
  
  Key responsibilities:
• Design, develop and maintain payment gateway and other integrations;
• Design and develop new features and maintain existing functionality.
• Design and develop web applications using Python/Django/Celery.
• Design, develop and maintain RESTful APIs using Django Rest Framework (DRF).
• Write clean and well-structured code that is easy to read and maintain;
• Write and maintain technical documentation.
• Write and maintain unit tests to ensure code quality.
• Optimize and maintain the security, performance, and usability of the applications.
• Collaborate with the PM/Frontend/DevOps/QA and others team members.
  
  We offer:
• Great networking opportunities with international clients, challenging tasks;
• Building interesting projects from scratch using new technologies;
• Personal and professional development opportunities;
• Competitive salary fixed in USD;
• Paid vacation and sick leaves;
• Flexible work schedule;
• Friendly working environment with minimal hierarchy;
• Comfortable, spacious and well-equipped office in the city center;
• Team building activities, corporate events.

Role Overview

We are looking for an experienced Python (Django) / Fullstack (React, TypeScript, Tailwind) engineer for our client from the US. This is a long-term, full-time engagement where you will work and report directly to the client (a product company, startup) with no micromanagement from our side. We are a small UK-based agency operating across the EU and US.

We’re seeking an experienced Python/Django Backend Developer  (Frontend/Fullstack is nice to have) to build core APIs, backend logic, and AI model–orchestration pipelines. You’ll help transform rapid AI prototypes into scalable, production-grade systems.

Responsibilities

• Develop backend services and REST APIs using Django
• Implement validation layers and schemas with Pydantic
• Integrate LLMs, embeddings, and vector database workflows
• Collaborate with AI researchers to productionize prototypes
• Ensure backend scalability, reliability, and performance

• Contribute to architecture decisions and engineering best practices

   

Requirements

• Strong backend development experience with Django or similar Python frameworks
• Experience with Pydantic
• Solid understanding of RESTful architecture
• Proficiency with PostgreSQL
• Familiarity with cloud environments

Nice to Have

• Experience with Memgraph AI
• Frontend experience using React/Typescript/Tailwind
• Experience with pubsub stack (Kafka, RabbitMQ)
• Experience with OpenAI / Anthropic APIs
• Knowledge of vector databases (Pinecone, Weaviate, Chroma, etc.)
• ML/AI deployment experience
• Experience with FastAPI or async Python

• DevOps and CI/CD understanding

   

Why This Project

• Build backend systems powering real-world AI automation
• Long-term collaboration potential
• Flexible remote work
• High-impact engineering role

We are looking for an experienced Python Developer with a strong technical background and a passion for building scalable, high-performance systems.

Key Responsibilities:

• Design, develop, and maintain Python-based applications and services
• Work with asynchronous programming models to build efficient and responsive systems
• Implement and optimize data structures and algorithms
• Optimize application performance and scalability
• Develop and maintain data integrations across internal and external systems
• Build and support large-scale data processing pipelines
• Collaborate with cross-functional teams to solve complex technical challenges
• Write clean, maintainable, and well-documented code
• Troubleshoot and resolve technical issues in a timely manner

Qualifications:

• 5+ years of professional software development experience
• Strong experience with asynchronous programming
• Solid understanding of data structures and algorithms
• Proven experience in performance optimization
• Hands-on experience with data integrations
• Experience working with large data processing pipelines
• Strong SQL knowledge
• Excellent analytical and problem-solving skills

We are looking Senior Python Engineer to join our team and start creating а new data-related product.

Responsibilities:

• Develop and optimize data indexing, preprocessing, and deduplication pipelines.
• Integrate and configure RAG components, work with vector databases.
• Build ETL/ELT pipelines.
• Optimize system performance and scalability.

Requirements:

• Expert in Python
• Experience building data processing systems, ETL pipelines, or high-load services.
• Experience with asynchronous programming (asyncio, Celery, etc.).
• Secure data processing and serialization (JSON, MessagePack, Protobuf).
• Experience with PostgreSQL, MySQL, or NoSQL (MongoDB).
• Secure coding principles: input validation, avoiding injection attacks.
• Building secure internal APIs (not necessarily web-facing).
  Experience with Docker, Kubernetes, and secure container deployment.

• Familiarity with Linux hardening and secure configuration.

   

Nice to Have:

• Experience with RAG and frameworks for building RAG pipelines.
• Experience working with vector databases.
• Understanding of data mining principles, unstructured data parsing, normalization, and cleaning.