Jobs

We are looking for a highly skilled and motivated Senior   BackEnd Developer
 with expertise in Python and experience in Redis, Django,
Kafka, AWS, Kubernetes, and FastAPI to join our team. In this role, you
will be responsible for designing, developing, and optimizing backend
services that drive our applications. You’ll work on high-performance,
scalable solutions that handle large volumes of data and complex workflows.
Collaborating closely with front-end developers, data engineers, and other
stakeholders, you will help deliver robust and secure services that meet
business objectives.

Key Responsibilities:

•  Design, implement, and optimize backend solutions using Python,
  Django, and FastAPI.
•  Manage data streaming and processing using Kafka and Redis.
• Deploy, monitor, and manage services on AWS, with containerization
  via Kubernetes.
• Ensure high performance, security, and scalability across backend
  systems.
• Troubleshoot and resolve issues, enhancing system reliability and
  performance.

• Collaborate with cross-functional teams to define, design, and deliver
  new features.

   

Requirements:
 

• Proven experience up to 5 years as a BackEnd Developer with
  expertise in Python.
• Fintech/Crypto/Trading Domain 
•  Hands-on experience with FastAPI,Django, Redis, Kafka, and AWS.
• Knowledge of containerization and orchestration using Kubernetes.
• Strong understanding of distributed systems, microservices
  architecture, and API design.
• Excellent problem-solving skills and attention to detail.

What we offer:

•  Remote
•  Flexible Working Hours
• Crypto-Based Compensation: Embrace the future of finance!
• Be Part of an Ambitious Project: Join us on the exciting journey of
  building a cutting-edge, game-changing project.
• Growth & Learning Opportunities: We are committed to your
  development.

The Role

As our Senior Backend Engineer, you’ll design and build the backend infrastructure that supports high-throughput, reliable, and secure AI agent workflows. You’ll work cross-functionally with ML engineers and data scientists to operationalize models at scale.

Key Responsibilities

• Architect and implement scalable APIs, microservices, and event-driven systems to power ML pipelines and agent orchestration
• Design efficient data modeling, ETL, and persistent storage suited for high-volume, real-time agent data 
• Optimize backend performance and ensure system stability under heavy concurrent load
• Collaborate closely with founders and ML teams to deliver end-to-end agent features
• Establish CI/CD pipelines, monitoring frameworks, and enforce backend security best practices
• Mentor junior engineers and contribute to team culture and best practices

Requirements

• 5+ years designing, implementing, and maintaining backend systems in Python
• Experience building distributed, scalable services with microservices or serverless architectures
• Strong grasp of relational and NoSQL databases, message queues (e.g., Kafka), and ETL patterns 
• Proven track record in API design (REST/gRPC), authentication, and reliable asynchronous processing
• Familiarity with containerization (Docker, Kubernetes) and observability tools (Prometheus, Grafana)

Nice to Haves

• Prior experience launching AI products or backend systems for ML/agent-driven applications
• Knowledge of LLM APIs, prompt pipelines, and agent orchestration
• Familiarity with cloud-native tools (AWS Lambda, S3, DynamoDB, GCP/Azure equivalents)
• Experience in startup or early-stage environments

Why You Should Join

• Competitive equity & pay - get in early and own what you build.
• Work closely with experienced founders with a proven startup track record.
• Move fast, ship fast - no corporate bureaucracy.
• Shape the AI revolution in healthcare - massive market, untapped potential

Join Abyss: Build AI-Powered Widgets and Shape the Future of AI Applications!
 

Abyss is a trailblazing startup revolutionizing the digital landscape with an online hub for AI Widgets—small, user-friendly tools powered by AI that solve specific tasks. These widgets are Python-powered applications fueled by cutting-edge tools, solutions, and AI models. Hosted at abysshub.com, our platform connects Innovators (brilliant Python developers) with Explorers (users seeking smart, AI-driven solutions).
 

Creating a widget is easy: upload your Python project, add input fields, and it’s ready to be used by you or anyone else.

What Developers Can Expect from Abyss

• Effortless Deployment: Turn your Python scripts into apps quickly—without the hassle of complex setup.
• Free Hosting: Share your widgets at no cost, removing financial barriers.
• Test Your Ideas: Build a basic version to validate your MVP and see if it resonates with users.
• Community Exposure: Get feedback and visibility from a growing user base of AI enthusiasts.
• Monetisation: Set a price for your widgets and start earning. As Abyss grows, so will your opportunities to profit.

What We're Looking For
We’re looking for Python developers to test the platform, by creating widgets directly or sharing Python projects for us to transform them into widgets ourselves. 

Ideally, we are looking for people who are:

• Proficient in Python
• Passionate about AI
• Familiar with LLM APIs
• Curious and excited about new technologies
• Skilled in Prompt Engineering (designing inputs for AI models to get the best outputs—think of it as guiding the AI to perform effectively)

Your Rewards

• Fee per Widget: If selected, You will get paid a fee for each widget you build, ranging from $10 to $200 based on complexity and the task it solves. If you have a ready list of clients or build the widget yourself, you could earn even more.
• Marketplace Revenue: As well as getting paid per widget, you will retain full ownership over them. Set your own price and earn revenues they generate on our marketplace once it is active.

• Potential Full-Time Role: Top candidates may be offered a full-time remote position at Abyss.

   

Why Join Now?

Abyss is in its early stages—get in now to shape its future while building your portfolio. You will be more than welcome to get as involved as you want in navigating the platform's growth by sharing suggestions, criticisms or any other feedback.

Note: Candidates passing the initial screening will complete a quick and simple test task—a chance to showcase your Python skills by building one widget in 1-2 hours (or less if you’ve got a project ready to go!).

We are looking for a skilled Python Backend Developer to join our team. You will be responsible for building and maintaining scalable backend services and APIs using modern Python tools and frameworks.

Requirements:
 

• Python 3.10 or newer
• Django 4.2 LTS or newer — strong experience with Django models, views, signals, admin, and migrations
• Django REST Framework — confident in designing, building, and documenting RESTful APIs
• PostgreSQL 13 or newer — ability to write optimized queries, understand indexing, migrations, and DB schema design
• Celery 5+ with Redis or RabbitMQ — experience setting up and managing asynchronous task queues
• Docker and docker-compose — for local development and deployment workflows

• Experience with dependency management using Poetry or pip + requirements.txt

   

Good to Have:
 

• Experience with unit testing and integration testing (e.g., pytest, Django TestCase)
• Understanding of CI/CD principles
• Basic DevOps experience is a plus (e.g., Docker Swarm, Kubernetes)

• Familiarity with version control systems, especially Git

   

Soft Skills:
 

• Ability to work independently and as part of a collaborative team
• Good problem-solving and debugging skills

• Clear written and verbal communication (documentation, code reviews, async communication)

   

 Responsibilities:
 

• Develop and maintain backend services and APIs using Django and DRF
• Write clean, scalable, and testable code
• Design and manage database schemas in PostgreSQL
• Implement and manage background task processing with Celery
• Containerize applications with Docker for development and deployment
• Collaborate with frontend developers, DevOps, and product teams

Over 20 years of market experience, Intellias brings together technologists, creators and innovators in Europe, North and Latin America, and the Middle East. Join our international team and take the mission to solve the advanced tech challenges of tomorrow!

Project Overview:

 Our client is a fast-growing startup that is on a mission to change the deskless work experience. They created a management platform that allows to easily manage all operations, from scheduling to payroll. With over 3.8B deskless workers across the globe, the challenges and potential are endless. Product includes various features: scheduling and time tracking, task management, communication management, chat, knowledge base, help desk, HR & people management, recognition & rewards, documentation, training etc.

We are looking for an experienced Senior Product Fullstack Developer, to further develop the management platform. You will build a product that customers love and use on a daily basis, a product that is fun to use, fast, reliable and scalable. You will tackle a wide array of problems from developing a UI that is responsive to the user and fun to choosing the right backend technologies to solve specific product use cases at scale.

Requirements:

• 5+ years of experience developing scalable applications using both frontend and backend technologies.
• 5+ years of experience with Python.
• 3+ years of experience with React, including State Management libraries like MobX, redux.
• Extensive hands-on experience with MongoDB and MySQL at an expert level.
• Deep expertise in message queues, especially RabbitMQ, for building scalable, message-driven systems.
• Experience both with AWS and Azure
• Ability to understand the pros and cons of different architecture decisions and choose the best option.
• Experience scaling services to millions of users.
• Understands the complexity of web technology, constraints, UI/UX.
• Startup mindset and a proactive, ownership-driven approach, experience in product companies will be a great advantage.

Responsibilities:

• Lead the design, development, and maintenance of complex Python applications. 
• Collaborate with product management and other stakeholders to define technical requirements and deliverables. 
• Write clean, efficient, and self-documented code. 
• Implement automation tests. 
• Participate in code reviews to ensure code quality and maintainability. 
• Monitor application performance and provide optimisation recommendations. 
• Stay up to date with the latest technologies and industry trends. 
• Drive the continuous technological improvement process. 

We are looking for a Team / Tech Lead Python Developer for a stable long-term project.

Must have Python: website scraping, FastApi, Websockets, asynchronous programming, object-oriented programming. 

Databases: SQL server, Redis

Fluent English

Great communication, team player, hard worker, having sense of urgency

Working hours Israel - from Sunday to Thursday, Friday Saturday days off 

Sometimes, needs to fix bugs during nights or weekends, depending on the level of code - the better level, the fewer issues

The project is about collecting and processing data for sports games, to provide data as a service for other services.

It's a data-collecting and processing platform, there are a lot of parsing and scraping tasks.

We are an outstaff company, working with a client for a long time, looking for a new team member to make the team stronger.

About Us

We are a fast-growing outsource] company focused on delivering high-quality, scalable web solutions to global clients across industries like FinTech, eCommerce, Healthcare. Our mission is to build impactful products using modern technologies and best engineering practices.

Who We’re Looking For

We’re seeking an experienced Senior Python Developer with deep expertise in Django to join our core development team. You'll help shape the architecture, mentor junior developers, and drive key technical decisions.

Key Responsibilities:

• Develop and maintain Django-based web applications
• Design system architecture, APIs, and backend logic
• Write clean, maintainable, and scalable code
• Conduct code reviews and provide technical leadership
• Write unit and integration tests
• Participate in sprint planning, estimation, and cross-team communication

Requirements:

• 5+ years of experience with Python
• Experience with REST APIs and Django REST Framework/Fast API
• Strong knowledge of SQL (PostgreSQL) and query optimization
• Experience with Celery and Redis
• Familiarity with Docker, Git, and Linux
• Experience writing tests (pytest or unittest)
• Intermediate+ English (spoken and written)

Nice to Have:

• Experience with FastAPI
• Familiarity with AWS or GCP
• Basic knowledge of front-end technologies (HTML, JS, React)
• Background in building MVPs or scaling products

What We Offer:

• Competitive compensation (based on experience and interview)
• Flexible working hours and remote-first culture
• Health insurance / sports / learning budget

MGNY Consulting Corp.

MGNY is a rapidly growing, New York-based company specializing in property tax advisory and affordable housing services.
Since 2008, we have been helping real estate developers and property owners navigate complex regulations through a combination of expert knowledge and innovative technology.

We are a high-touch, high-tech team focused on delivering real impact for clients and communities.

We’re looking for a hands-on, motivated Python Developer to join our distributed development team and help drive automation and innovation across internal platforms.

Responsibilities

• Develop backend services using Python (FastAPI), focusing on performance and scalability.
• Build and maintain automated data pipelines using Apache Airflow.
• Support integration with Google Cloud services and internal Salesforce systems.
• Write clean, maintainable, and well-documented code.
• Work closely with other developers, DevOps, and analysts to align on priorities and implementation.

Requirements

• 3+ years of commercial experience in backend Python development.
• Solid understanding of microservice architecture and FastAPI.
• Experience with Apache Airflow for workflow automation.
• Familiarity with Google Cloud Platform and MSSQL.
• English at pre-intermediate level or higher.

Nice to Have

• Experience working with Salesforce APIs.
• Knowledge of Delphy is a plus.

Why MGNY

You will thrive at MGNY if you value:

• A people-centric culture that supports individual growth.
• A result-oriented environment focused on efficiency and real-world impact.
• A company where ideas matter more than titles.
• A collaborative team solving complex challenges in real estate and compliance using data and technology.

We are looking for a Backend / GenAI Engineer to join our team and play a key role in designing, building, and maintaining scalable backend systems. You’ll work closely with cross-functional teams to develop robust APIs, integrate GenAI models into production environments, and contribute to the overall architecture of our platform. This is a great opportunity to shape innovative products in a fast-paced, collaborative startup setting.

Requirements

• Strong problem-solving mindset with ability to tackle complex technical challenges.
• Autonomous player who can take ownership and drive solutions independently.
• Overall 8+ years in software engineering with startup experience.
• 5+ years backend engineering experience with expert Python skills.
• 1+ years production generative AI experience with LLMs and prompt engineering.
• Experience with scalable backend systems, micro-services, and distributed systems.
• AWS experience: EKS, S3, Bedrock, Elasticache, RDS.

• Production system experience: monitoring, alerting, security.

   

Responsibilities

• Design, develop, and maintain scalable backend systems and microservices that support production workloads.
• Implement solutions involving generative AI, including working with large language models (LLMs) and prompt engineering in production environments.
• Collaborate closely with cross-functional teams to architect, build, and deploy distributed systems on AWS infrastructure, utilizing services such as EKS, S3, Bedrock, Elasticache, and RDS.
• Ensure reliability, security, and performance of production systems through effective monitoring, alerting, and troubleshooting.
• Stay updated with the latest advancements in software engineering and AI technologies to innovate and enhance product capabilities.
   

What we offer

• Direct cooperation with the already successful, long-term, and growing project.
• Flexible work arrangements.
• Collaborative and supportive team culture.
• Truly competitive salary.
• Help and support from our caring HR team.

Adapty is a revenue management platform for mobile apps that simplifies subscription implementation and paywall management. We help developers quickly monetize their apps, serving 9,000+ apps and processing $1.4 billion in in-app subscriptions annually. Backed by top investors like 500 Startups and Surface Ventures.
 

You’ll be part of our technical team, the backbone of Adapty’s platform. We build systems that process billions of subscription events and must scale seamlessly as we expand globally. Our engineering culture is built around Domain-Driven Design (DDD), clean architecture, and solving hard problems — not routine tasks. If you enjoy tackling high-load challenges, shaping architecture, and building tools developers truly love, this role is for you.
 

What You Will Do

• Architect and maintain high-performance APIs powering our mobile SDK and dashboards.
• Work with queues and asynchronous processing (Dramatiq, Kafka), applying DDD principles.
• Build secure integrations (OAuth with FB, Google, AppleID) and redesign attribution flows for reliability.
• Enhance error handling and optimize communication with app stores through API-driven solutions.
• Use a modern and powerful stack: Python, Django, DRF, ClickHouse, PostgreSQL, Redis, Kafka, Docker, Kubernetes.
   

What We Expect

• 5+ years of backend engineering experience with a strong Python background.
• Expertise in designing APIs that handle high-load, mission-critical traffic.
• Solid hands-on experience with SQL/NoSQL databases.
• Familiarity with Django or FastAPI, and message brokers like Kafka or RabbitMQ.
• A proactive mindset: you don’t just solve problems, you anticipate them and propose better ways forward.
• Strong ownership and communication skills—comfortable making trade-offs and defending decisions.
   

What We Offer

• Meaningful Engineering: Build a system used by thousands of apps worldwide, where every line of code impacts millions of users.
• Fast-Track Impact: Ship features, see instant feedback from the market, and directly influence our US expansion.
• Direct Communication: No endless bureaucracy—just clear goals and open discussions.
• Flexible Remote Work: Work from anywhere, with a schedule that fits your lifestyle. Our core team is in Europe, but we hire globally via deel.com.
• Perks That Matter: Free English lessons, sports reimbursements, and laptop reimbursements.

We’re looking for a Senior Python Developer to help our energy tech client transform access to clean and reliable energy in emerging markets.

Want to build scalable tech that impacts real lives across the globe? As a Senior Python Developer, you’ll work on backend systems that power smart energy distribution in fast-growing regions.

Beetroot is a trusted tech partner for companies making a difference. We’re setting up a dedicated team for our client — a pioneering company in the energy tech space — to accelerate their product development.

Our client is a fast-growing company providing IoT smart metering solutions that are reshaping the energy industry in Southeast Asia and Sub-Saharan Africa. Their platform enables utilities to deliver clean, affordable energy by detecting energy theft, optimizing performance, and supporting sustainable energy practices.

In this role, you’ll contribute to backend development that directly supports operational efficiency, energy accessibility, and innovation across the energy sector in underserved regions.

What you'll do in this role  

• Develop, maintain, and enhance backend services and APIs using Python, Django, and Django Rest Framework (DRF).
• Implement asynchronous task queues using Celery to manage background processes.
• Work with SQL and NoSQL databases, specifically MySQL and AWS DynamoDB, to manage and retrieve data efficiently.
• Utilize Kafka for real-time data streaming and event-driven architecture.
• Deploy, manage, and monitor applications in AWS using tools like Terraform for infrastructure as code.
• Integrate CI/CD pipelines using Jenkins and GitLab CI for automated testing and deployments.
• Optimize performance, reliability, and scalability of applications on Linux-based environments.
• Collaborate with cross-functional teams to build new features and improve existing functionality.
• Troubleshoot and resolve issues, ensuring high availability and performance of our platform.

We're looking for

• 5+ years of experience in software development, with a strong focus on Python.
• Proficient in Django and Django Rest Framework (DRF) for building APIs and web applications.
• Experience with Celery for managing background tasks.
• Strong knowledge of relational databases (MySQL) and NoSQL databases (AWS DynamoDB).
• Hands-on experience with Kafka for real-time data streaming.
• Proficient in AWS cloud services and infrastructure management using Terraform.
• Solid understanding of CI/CD processes with Jenkins and GitLab CI.
• Strong Linux skills for application deployment and troubleshooting.
• Familiarity with distributed systems and microservices architecture.
• Excellent communication skills and an independent work ethic.
• Proactive and independent problem-solving skills with a focus on delivering high-quality solutions.
• Ability to thrive in a fast-paced, dynamic environment.

How to knock our socks off

• Experience with FastAPI for building high-performance APIs.
• Knowledge of AWS Lambda and Step Functions for serverless workflows.
• Familiarity with AWS ECS for container orchestration.
• Frontend development experience with Angular and end-to-end testing with Cypress.
• Experience with monitoring and logging tools like Grafana and Kibana.
• Naming five or more dishes that include beetroot besides borshch.

✔ Not checking every box?

This job looks very exciting, but you hesitate to apply because of the confidence gap? Reach out to us anyway! Beetroot is an inclusive workplace that considers all applicants. We’re committed to openness — promoting equality and fostering an environment where different backgrounds, ideas, and experiences are not just accepted, but embraced. So let’s discover together whether we could be an excellent fit for each other.

Please send us your CV in English, and we'll be happy to discuss your application further.

About Us:

Lemmi is an AI-powered career companion revolutionizing how professionals navigate their career journey. We simplify the job search process by providing intelligent guidance on best practices and automating routine tasks. 

Our platform features AI-powered mock interviews that identify skill gaps, provide targeted practice, and build confidence through measurable progress tracking.

As an early-stage Ukrainian startup with a globally distributed team, we're building the future of career development technology.

Your Mission:

As our Python Founding Engineer, you will work directly with the founders and our development team to implement product strategy and prepare our platform for scale. This is an exceptional opportunity to gain hands-on experience in an early-stage startup while diving deep into modern Python development, generative AI, and other back end technologies. You'll develop crucial product thinking skills while contributing to a mission-driven platform that helps thousands of job seekers land their dream roles.

Requirements:

• Strong knowledge of Python, Fast API ecosystem
• Experience integrating with popular AI solutions
• Prompt engineering skills
• Strong problem-solving abilities and critical-thinking skills
• Ability to work independently while knowing when to seek guidance
• Experience using AI coding tools like Claude Code or Cursor in your daily work
• At least 3 years of commercial experience

Key Responsibilities:

• Feature Development: Extend current functionality and collaborate closely with the frontend team to deliver seamless new features
• System Architecture: Work alongside senior back-end engineers to stabilize and optimize our backend infrastructure while addressing technical debt
• Build Core Systems: Develop the core product logic with supervision and support.
• Cross-Functional Collaboration: Participate in product discussions and contribute ideas for improving user experience
• Expand our AI integrations and take ownership of our AI-based logic: Continuously improve integrated system performance and integrate new systems. In the future, start developing our own solutions.

Why Join Us:

• Direct Impact: Your code will directly shape product development and impact thousands of users' career journeys
   
• Exceptional Learning Opportunity: Work directly with our founder and senior engineers (back-end and machine learning specialists) who are committed to mentoring and accelerating your professional growth
   
• Ultimate Flexibility: Choose work hours that suit your lifestyle (~15-20 hours/week), perfect for balancing with studies or other commitments
   
• Cutting-Edge Technology Stack: While focusing on Python solutions, you can contribute to our AI components and explore modern generative AI integrations, prompt engineering, and LLM concepts
   
• Industry Insider Knowledge: Gain unique insights into job market dynamics, recruitment strategies, and career development best practices that will benefit your own career forever

Our Values:

• Continuous Learning: We embrace challenges as opportunities and invest in constant skill development
   
• Ownership: We take full responsibility for our work, delivering results that exceed expectations
   
• Customer-First: We're passionate about solving real problems that help people advance their careers
   
• Data-Driven: We base decisions on research, metrics, and user feedback rather than assumptions
   
• T-Shaped Development: We cultivate broad knowledge across engineering and product domains while developing deep expertise in our specialties

Our team:

- 1 Founding FE Engineer (Staff), 1 Senior FE Engineer, 1 Middle FE Engineer
- 2 Senior .NET Engineers

- 1 Switcher Junior Python Engineer

- CPO (founder) + 2 Product Mangers

- UI/UX Designer

- Sales Manger

- CEO/Founder with technical background

Important Note:

This position begins as an equity-based opportunity as we're an early-stage startup preparing for our initial investment round in early 2026. The paid option won't be available, at least, until the end of Q1 2026. Upon successful funding, this role will transition to a competitive full-time or part-time paid position. This is an ideal opportunity for motivated individuals who want to get in on the ground floor of a promising startup and grow with the company.

We are a Ukrainian startup with team members distributed globally, operating with a remote-first culture.

We currently have a need for an Senior/Lead. This position is ideal for individuals who have the drive and desire to ‘make things’. It requires a highly motivated individual with attention to details and a hunger to learn and solve problems.
Shifted working hours - Readiness to work till 9 PM Kyiv time
Job Description

• Proven track record as a technical leader with 3+ years of experience
• 6+ years of professional software development experience
• 3+ years of experience with Python
• Experience designing and implementing Web applications with Django
• Expertise in coding concepts and best practices across languages
• Experience in developing large scale consumer applications, specifically in the field of media management, content delivery and streaming is a strong plus
• Deep understanding of web application best practices and git development flow
• Strong expertiese in scalable database design and POSTGRES
• Driven, self-motivated, and capable of managing multiple projects, priorities, and deadlines
• Focused, dependable, detail-oriented and hands-on – completes tasks quickly and thoroughly
• Excellent work ethics and communication skills – written, verbal and interpersonal

Desired Experience

• Experience working in the digital media industry, including multiple facets of the digital media supply chain including production, post-production, and distribution.

Job Responsibilities

Position Overview

• Contributing to cutting-edge R&D initiatives including service integration with emerging frameworks and platforms
• Assisting with technical resolution of issues on mission critical production systems (you build it, you own it, you run it)
• Thinking out of the box to come up with solutions that scale, are fault-tolerant, easy to grasp and elegant
• Support and anticipate developer needs – you will be their go-to person for questions and support
• Partner with product management and operations to create and evangelize a world-class media services platform

Department/Project Description

Deluxe Media Inc., a wholly owned subsidiary of Platinum Equity, is a global leader in media and entertainment services for film, video and online content.  Since 1915, Deluxe has been the trusted partner for the world’s most successful Hollywood studios, independent film companies, TV networks, exhibitors, advertisers and others, offering best-in-class solutions in post-production, distribution, asset and workflow management, and cloud-based technologies.

With headquarters in Los Angeles and offices around the globe, the company employs over 3,500 of the most talented artists, developers, and industry veterans worldwide. For more information, please visit www.bydeluxe.com.

IT Craft invites an AI/ML Python Developer to join the company.

Requirements:

• Core Software Engineering: 5 + years Python 3.x; strong proficiency with FastAPI, Django or Flask; Git, unit testing, CI/CD, Docker;
• Generative AI & LLMs: Practical knowledge of leading models (GPT, Claude, Gemini, Mistral, Llama, Qwen, etc); working with them via public APIs, self-hosting or managed platforms (AWS Bedrock, Azure OpenAI, GCP Vertex);
• LLM Techniques: Retrieval-Augmented Generation (RAG), Supervised Fine-Tuning (SFT), Parameter-Efficient Fine-Tuning (LoRA/QLoRA/PEFT), Reinforcement Learning from Human Feedback (RLHF), prompt engineering and evaluation;
• Chatbots & Agents: Designing multi-turn conversational flows, tool invocation, agent routing/orchestration with LangChain, LlamaIndex, CrewAI, Semantic Kernel or similar;
• Vector Databases: Experience with FAISS, Milvus, Pinecone, Weaviate, Chroma, pgvector (indexing, similarity search, hybrid search);
• MCP Servers: Building and integrating Model Context Protocol (MCP) servers to securely expose domain tools/functions to LLMs;
• Automation Platforms: Advanced use of no-/low-code tools: n8n, Make (Integromat), Zapier (triggers, webhooks, custom modules);
• Soft Skills: Ownership mindset, rapid prototyping, clear technical writing; English at Upper-Intermediate (B2) or higher.

Key Responsibilities:

• Design & build end-to-end LLM workflows in Python (FastAPI, Django or Flask) — from data ingestion to inference APIs;
• Develop and fine-tune models (SFT, LoRA/QLoRA, RLHF) using PyTorch and modern open-source tooling;
• Implement RAG pipelines: document parsing, embedding generation, vector search and evaluation;
• Create chatbots / autonomous agents with frameworks such as LangChain, LlamaIndex, Semantic Kernel or CrewAI;
• Expose tools via MCP servers so that external LLMs can invoke domain-specific actions;
• Integrate no-/low-code automation (n8n, Make, Zapier) to orchestrate business workflows;
• Write clean, test-driven code; set up CI/CD; monitor, log, and continuously improve model performance and system reliability.

Nice to Have:

• Experience with data privacy & compliance (GDPR, SOC 2);
• Operate in cloud & on-prem (Docker, GPU instances, AWS Bedrock/Azure OpenAI, self-hosted LLMs, etc.);
• Hands-on experience with TensorFlow, PyTorch, NumPy, Pandas; ability to train, fine-tune, and evaluate ML/LLM models;
• Familiarity with front-end stacks (React/Next.js, TypeScript) for building AI-powered user interfaces;
• Bonus: Experience in Generative Graphics, including Stable Diffusion, Inpainting techniques, and ControlNets;
• Bonus: Experience in LLM hosting and working with llama.cpp.

IT Craft offers:

• Competitive compensation according to the qualifications;
• Flexible working hours, remote work;
• Opportunity for career growth;
• Reward for sport activities;
• In-house English training;
• A friendly team of open-minded people.

Please send your CV!
By submitting your application, you consent to the processing of your personal data in accordance with IT Craft’s Privacy Policy, available at itechcraft.com/datenschutz.

We are hiring a seasoned Python Developer with 5+ years of experience to develop high-quality backend systems and services. You will be involved in designing APIs, implementing data pipelines, and working with DevOps to build scalable and secure software for our customers.

Details: 
Experience: 5 years 
Schedule: Full time, remote
Start: ASAP
English: Fluent
Employment: B2B Contract
 

Responsibilities:

• Design and develop backend services using Python
• Build APIs and integrate with external systems
• Write clean, maintainable, and testable code
• Work with DevOps and data teams on scalable architectures
• Troubleshoot and debug performance issues

Requirements:

• Strong experience with Python 3.x
• Familiarity with frameworks (Django, Flask, FastAPI)
• Experience with databases (PostgreSQL, MySQL, MongoDB)
• Understanding of containerization (Docker, Kubernetes)
• Proficient with Git, Linux, and Agile workflows