Jobs
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    Β· 90 views Β· 11 applications Β· 21dSenior Python DeveloperFull Remote Β· Worldwide Β· 5 years of experience Β· B2 - Upper IntermediateAbout 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...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 Weβre Looking For Weβre 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
 
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    Β· 153 views Β· 56 applications Β· 21dPython DeveloperFull Remote Β· Countries of Europe or Ukraine Β· Product Β· 3 years of experience Β· A2 - ElementaryMGNY 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...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. Weβre 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.
 
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    Β· 156 views Β· 43 applications Β· 30dBackend Developer (Python)Full Remote Β· Countries of Europe or Ukraine Β· Product Β· 5 years of experience Β· B2 - Upper IntermediateAdapty 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....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. 
 Youβll be part of our technical team, the backbone of Adaptyβs 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 β 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 donβt just solve problems, you anticipate them and propose better ways forward.
- Strong ownership and communication skillsβcomfortable 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 bureaucracyβjust 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.
 
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    Β· 61 views Β· 12 applications Β· 22dSenior Python DeveloperFull Remote Β· Ukraine Β· Product Β· 5 years of experience Β· B2 - Upper IntermediateWeβre 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, youβll work...Weβre 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, youβll work on backend systems that power smart energy distribution in fast-growing regions. Beetroot is a trusted tech partner for companies making a difference. Weβre setting up a dedicated team for our client β a pioneering company in the energy tech space β 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, youβll 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.
 β 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. Weβre committed to openness β promoting equality and fostering an environment where different backgrounds, ideas, and experiences are not just accepted, but embraced. So letβs 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. More
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    Β· 1404 views Β· 67 applications Β· 3dFounding Engineer for an AI startup (Python / Fast API / Backend only)Part-time Β· Full Remote Β· Worldwide Β· 3 years of experience Β· B1 - IntermediateAbout 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...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. More
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    Β· 40 views Β· 1 application Β· 7dSenior/Lead Pyhon EngineerFull Remote Β· Ukraine Β· 6 years of experience Β· B2 - Upper IntermediateWe currently have a need for an Senior/Lead. This position is ideal for individuals who have the drive and desire to βmake thingsβ. It requires a highly motivated individual with attention to details and a hunger to learn and solve problems. Shifted...We currently have a need for an Senior/Lead. This position is ideal for individuals who have the drive and desire to βmake thingsβ. 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 β completes tasks quickly and thoroughly
- Excellent work ethics and communication skills β 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 β 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 worldβs 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. More
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    Β· 47 views Β· 5 applications Β· 22dAI Python DeveloperFull Remote Β· Countries of Europe or Ukraine Β· 5 years of experience Β· B2 - Upper IntermediateIT 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...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) β 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! More
 By submitting your application, you consent to the processing of your personal data in accordance with IT Craftβs Privacy Policy, available at itechcraft.com/datenschutz.
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    Β· 61 views Β· 21 applications Β· 4dLead/Senior Backend Engineer (Python, Async IO)Full Remote Β· Worldwide Β· Product Β· 5 years of experience Β· B2 - Upper IntermediateWe are seeking an experienced Senior Backend Engineer to join our dev department. 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...We are seeking an experienced Senior Backend Engineer to join our dev department. 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. About the role: 
 In this role, you will:
 β Integrate with new POS systems and digital menu boards
 β Build data pipelines to process restaurant menus
 β Support existing integrations and pipelines
 β Debug and solve complex customer issues
 β Lead communication with integration partners to deliver the integrations
 β Estimate, plan and deliver the integration projects
 β Handle a large set of complex and diverse customer issues
 β Create documentation for integrationsQualifications: 
 β BSc in Software Development or equivalent industry experience
 β 5+ years experience in Python
 β Strong backend development and software architecture skills
 β Experience in developing and deploying multiple projects used in production
 β Proficient with Async IO
 β Experience with CI/CD, Clouds (AWS/GCP/Azure), Linux, Docker, Kubernetes, 3rd Party API integrations
 β Experience with Data Pipelines, ETL
 β Prior experience working in startups
 β 2+ years of experience as a tech lead or team lead
 Bonus:
 β Knowledge of concurrency
 β Experience with React
 More
 Qualities We're Looking For
 β Resilience β being able to balance planned work with real-time issues in a fast-paced, high-pressure environment
 β Strong communication skills β in both written and verbal communication, with the ability to produce crisp and clear documentation
 β Problem solver
 β Strong ownership and independence
 β Team player
 β Fast
 β Star Performer
 β Passionate about their work
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    Β· 41 views Β· 3 applications Β· 11dSenior Software Developer (Python)Full Remote Β· Spain, Poland, Portugal Β· 5 years of experience Β· B2 - Upper IntermediateQuantum is a global technology partner delivering high-end software products that address real-world problems. We advance emerging technologies for outside-the-box solutions. We focus on Machine Learning, Computer Vision, Deep Learning, GIS, MLOps,...Quantum is a global technology partner delivering high-end software products that address real-world problems. We advance emerging technologies for outside-the-box solutions. We focus on Machine Learning, Computer Vision, Deep Learning, GIS, MLOps, Blockchain, and more. Here at Quantum, we are dedicated to creating state-of-art solutions that effectively address the pressing issues faced by businesses and the world. To date, our team of exceptional people has already helped many organizations globally attain technological leadership. We constantly discover new ways to solve never-ending business challenges by adopting new technologies, even when there isnβt yet a best practice. If you share our passion for problem-solving and making an impact, join us and enjoy getting to know our wealth of experience! About the position Quantum is expanding the team and has brilliant opportunities for a Software Developer. The client is a technological research company that utilizes proprietary AI-based analysis and language models to provide comprehensive insights into global stocks in all languages. Our mission is to bridge the knowledge gap in the investment world and empower investors of all types to become βsuper-investors.β Through our generative AI technology implemented into brokerage platforms and other financial institutionsβ infrastructures, we offer instant fundamental analyses of global stocks alongside bespoke investment strategies, enabling informed investment decisions for millions of investors worldwide. Must have skills: - 5 years of Python development experience
- Strong hands-on experience with Kubernetes and containerization
- Strong SQL and NoSQL database knowledge
- Experience with Docker, CI/CD, and Git
- Expertise in AWS services
- Familiarity with Airflow or other workflow orchestration tools
- At least an Upper-Intermediate level of English (spoken and written)
 Would be a plus: - Experience with LLMs (Large Language Models)
 Your tasks will include: - Develop and maintain services with LLM-based solutions
- Optimize ETL processes and integrate models into production
- Deploy and manage pipelines on AWS
- Work with Kubernetes for container orchestration
- Collaborate with Data Scientists to ensure pipeline efficiency
 We offer: - Delivering high-end software projects that address real-world problems
- Surrounding experts who are ready to move forward professionally
- Professional growth plan and team leader support
- Taking ownership of R&D and socially significant projects
- Participation in worldwide tech conferences and competitions
- Taking part in regular educational activities
- Being a part of a multicultural company with a fun and lighthearted atmosphere
- Working from anywhere with flexible working hours
- Paid vacation and sick leave days
 Join Quantum and take a step toward your data-driven future. More
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    Β· 258 views Β· 61 applications Β· 15dBack-end EngineerFull Remote Β· Countries of Europe or Ukraine Β· 4 years of experience Β· B2 - Upper IntermediateThe role As a Back-End Engineer at HelloBiome, you will play a critical role in building and optimizing the infrastructure that powers one of our AI solutions based on large language models (LLMs). You will work closely with researchers, and software...The role As a Back-End Engineer at HelloBiome, you will play a critical role in building and optimizing the infrastructure that powers one of our AI solutions based on large language models (LLMs). You will work closely with researchers, and software teams to design, implement, and maintain scalable back-end systems that enable rapid experimentation and high-quality outputs. Your work will ensure our platforms are robust, secure, and ready for production at scale, directly supporting the advancement of our microbiome-based solutions. 
 You will work in a collaborative environment, translating prototypes into reliable back-end services, and continuously improving our technology stack to meet evolving business and research needs. Your experimental and research-oriented mindset will be key as you partner with scientists to iterate quickly, validate new ideas, and deliver back-end solutions that set the standard for quality and innovation in the microbiome field. This role includes a competitive cash salary and equity package. Compensation is calculated based on the location of the team member, reflecting HelloBiomeβs commitment to fair and equitable remuneration. 
 Requirements - Experimental and research-oriented mindset, comfortable working in fast-paced, iterative environments to rapidly test, evaluate, and refine back-end systems for quality outputs.
- Excellent problem-solving skills, attention to detail, and a passion for delivering reliable, maintainable code.
- 5+ years of experience in back-end software engineering, with a focus on building scalable, high-performance systems.
- Proven expertise in designing and implementing APIs, microservices, and distributed systems using modern backend frameworks (e.g., Python/FastAPI, Node.js/Express, Go, or similar).
- Deep understanding of cloud infrastructure (AWS, Azure, or Google Cloud), containerization (Docker, Kubernetes), and CI/CD pipelines for robust deployment of data-intensive services.
- Strong knowledge of database systems (SQL and NoSQL), data modeling, and data pipeline development for handling large-scale, unstructured data.
- Strong communication skills to work effectively with cross-functional teams and contribute to technical discussions and architectural decisions.
- Experience integrating and optimizing large language models (LLMs) or other AI/ML models into production environments, including model serving, monitoring, and versioning is a plus.
- Work with Vector Stores (Vector Databases) to enable efficient storage, retrieval, and management of embeddings and other high-dimensional data for AI applications is a plus.
 
 Responsibilities - Design, build, and maintain scalable back-end infrastructure to support AI solutions, ensuring high availability and performance.
- Collaborate with researchers and data scientists to translate experimental models and prototypes into robust, production-ready back-end.
- Develop and optimize APIs, microservices, and data pipelines for efficient integration and deployment of LLMs and other AI models.
- Implement monitoring, logging, and versioning systems to ensure reliability, traceability, and continuous improvement of AI services.
- Ensure back-end systems adhere to security, privacy, and compliance standards, especially when handling sensitive health data.
- Foster a culture of experimentation and innovation, rapidly iterating on back-end solutions to support research and deliver high-quality outputs.
- Contribute to architectural decisions, code reviews, and best practices to maintain a high standard of code quality.
 
 About HelloBiome HelloBiome is an innovative B2B biotech startup at the forefront of AI-powered microbiome innovation. We are dedicated to revolutionizing consumer health by leveraging the microbiome. Through democratizing access to microbiome data, HelloBiome utilizes advanced AI technologies to develop targeted health solutions, transforming these insights into commercial applications for our business clients. Trusted by over 20 clients, including industry giants like Unilever, we are not just predicting the future of consumer health; we are actively shaping it. At HelloBiome, every step we take is towards a healthier future, optimizing well-being one microbiome at a time. 
 Our Culture At HelloBiome, we thrive in a globally connected, remote work environment with team members distributed across Europe, the US, Canada, and Korea. Our headquarters are in San Francisco and Our dynamic and international team embodies a culture of kindness paired with a drive for innovation and excellence. We value proactive individuals who bring a self-starter mindset to their roles, always seeking new ways to advance our mission. Attention to detail is crucial in our work, as we are committed to delivering precise and impactful health solutions to our B2B clients. 
 This remote and flexible work structure not only fosters a diverse and inclusive atmosphere but also encourages a balance between personal growth and professional excellence. Join us and be part of a team that is shaping the future of consumer health through groundbreaking AI-powered microbiome innovation. More
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    Β· 73 views Β· 3 applications Β· 5hSoftware Engineer, PythonFull Remote Β· Ukraine Β· Product Β· 3 years of experience Β· C1 - AdvancedAbout Portside, Inc. Portside is a leading provider of modern software solutions for the global aviation industry. As a fast-growing SaaS company, we operate across three key verticals: business aviation, regional commercial aviation, and aircraft...About Portside, Inc. Portside is a leading provider of modern software solutions for the global aviation industry. As a fast-growing SaaS company, we operate across three key verticals: business aviation, regional commercial aviation, and aircraft leasing & finance. With nearly 300 team members spread across five continents, we support over 1,000 enterprise customers, helping them streamline and manage all aspects of their day-to-day operations. Job Summary We are looking for an experienced Python engineer to join our business aviation team. In this role, you will work at the intersection of technology, people, and processes to develop and support integrations of aviation products, optimize system performance, and enhance the speed and quality of software development. Key Responsibilities - Design and implement software solutions using the companyβs technology stack, following industry best practices like SOLID, DRY, KISS, IoC, design patterns, etc.
- Design database schemas, manage database operations with SQL, ensuring efficient database reliability
- Write unit and integration tests, collaborate with management on managing the test strategy and overall quality of the company products
- Adhere to the companyβs code and development standards
- Manage technical debt, identify technological risks, and collaborate with the management and development team on risk mitigation strategies
- Refactor existing software components in order to eliminate technical debt and improve application extensibility
- Estimate software development work, including major long-term projects and large features
- Deploy software releases to production and other environments
- Use and maintain CI/CD pipelines in coordination with the DevOps team
- Use and maintain AWS services in coordination with the DevOps team
- Conduct code reviews
- Troubleshoot production issues
 Qualifications - 3+ years of Python and Django software development experience, ideally in backend or integration-heavy environments
- Experience in refactoring code, a solid understanding of the refactoring methodologies, and code smells
- Experience in maintaining adherence to coding standards and development best practices
- Experience in conducting code reviews
- Experience in writing automated tests, measuring test coverage, and defining test automation strategies
- Experience in working with CI/CD pipelines, good understanding of SDLC best practices and deployment procedures, strong knowledge of Git
- Experience with AWS and Kubernetes is a plus
- Strong knowledge of SQL and experience designing complex database solutions, experience working with ORMs and database migrations
- Strong and consistent understanding of GraphQL and REST API
- Ability to explain complex technical concepts to non-technical people, as well as the ability to explain business requirements to other engineers
- Ability to estimate engineering work, identify risks and strategies for their mitigation
- Experience in mentoring software engineers is a plus
- Excellent verbal and written communication skills
- Practical and results-oriented engineering mindset
- Interest in business aviation and becoming a domain expert in the field
 What We Offer - Competitive base salary
- Fully remote work
- Generous time off policy
- Opportunities for professional development and career advancement.
- Dynamic, collaborative, and fast-growing work environment.
 
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    Β· 361 views Β· 64 applications Β· 18dSenior Python Developer (for agency)Full Remote Β· Worldwide Β· 4 years of experience Β· B1 - IntermediateWe are looking for a Senior Python Developer who can become a part of our team and with whom we will grow together. Meduzzen is a team of Ukrainian developers who are working mostly on outstaff and outsource models, so, as a part of this team, you will...We are looking for a Senior Python Developer who can become a part of our team and with whom we will grow together. Meduzzen is a team of Ukrainian developers who are working mostly on outstaff and outsource models, so, as a part of this team, you will work on projects with different domains and technologies. We are open for smart and very stable developer who can become a great addition of our progressive team and strengthen it. We accept Ukrainian developers who is currently abroad or in Ukraine. 
 Requirements:
 - from 4 years of professional experience as a back-end or full-stack developer- strong knowledge in Python (Django/DRF, FastAPI, Flask, PostgreSQL, etc.) - experience with front-end frameworks (React, Vue, Angular, experience with React Native will be a plus) 
 - familiarity with clouds (AWS, Azure, GCP)
 - good English skills (from Intermediate)
 - understanding of AI tools and Web3 also will be a plus- team worker - availability of UpWork profile (but it is not necessary) More
 What we offer
 - working with us as an agency
 - remote work and flexible schedule
 - career development: take courses
 - English lessons
 - paid vacation and sick-leave days
 Hiring steps: intro, technical interview or test task, meeting with CTO, offer.
 If everything mentioned below is about you - so please apply.
 Thanks for your time, letβs make cool development together!
 
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    Β· 90 views Β· 9 applications Β· 11dSenior Python Developer to $5500Full Remote Β· Armenia, Poland, Ukraine Β· 5 years of experience Β· B2 - Upper IntermediateAbout Us We are a leading Israeli IT company with 15 years of market experience and 8 years in Ukraine. Officially registered in Ukraine, Israel, and Estonia, we employ over 100 professionals worldwide. Specializing in successful startup collaboration,...About Us More
 We are a leading Israeli IT company with 15 years of market experience and 8 years in Ukraine. Officially registered in Ukraine, Israel, and Estonia, we employ over 100 professionals worldwide. Specializing in successful startup collaboration, we offer services across e-commerce, Fintech, logistics, and healthcare.
 Our client is a pioneering startup that has revolutionized data management with an advanced Excel-like solution, making information input as simple as a single click. Forget mastering endless functionsβthis program has it all in one place. With fantastic opportunities for candidates, including the chance to work with cutting-edge technology, grow within a fast-paced, innovation-driven team, and contribute to a product thatβs making a real impact. Established over six years ago and recognized as one of Israelβs top startups, this company offers a dynamic environment where your skills and ideas can truly shine.
 Key Requirements:
 πΉ Bachelors degree in Computer Science or related field;
 πΉ 5+ years of experience in software development in a SaaS company;
 πΉ Fluent in Python (Django);
 πΉ Excellent knowledge and experience with building, optimizing, and maintaining large-scale production systems;
 πΉ Experience with writing unit tests and integration tests;
 πΉ Experience with Relational DBs (Postgres, MSSQL);
 πΉ Experience and familiarity with Cloud Architecture and services;
 πΉ English β Upper-Intermediate or higher;
 Will be plus:
 πΉ Familiarity with Azure;
 πΉ Knowledge of RabbitMQ;
 πΉ Knowledge of Celery;
 πΉ Knowledge of Redis;
 πΉ Knowledge of Excel Add-Ins.
 What you will do:
 πΉ Take part in developing the backend of the SAAS application;
 πΉ Develop and lead end-to-end development of new features and services in a multi-service environment while maintaining high quality and standards;
 πΉ Develop scalable web APIs, implement sophisticated business logic, and develop asynchronous services in a data-oriented, scalable application;
 πΉ Take part in a multidisciplinary team involving algorithms/frontend/UI/DevOps;
 πΉ Play a significant role in the entire development life-cycle, from design to production.
 Interview stages:
 πΉ HR Interview;
 πΉ Tech interview with Team Lead;
 πΉ Interview with PM;
 πΉ Interview with VP R&D (optional);
 πΉ Reference check;
 πΉ Offer.
 Why Join Us?
 πΉ Be part of a friendly international team, working together on interesting global projects;
 πΉ Enjoy many chances to grow, learn from mentors, and work on projects that make a real difference;
 πΉ Join a team that loves fresh ideas and supports creativity and new solutions;
 πΉ Work closely with clients, building great communication skills and learning directly from their needs;
 πΉ Thrive in a workplace that values your needs, offering flexibility and a good balance between work and life.
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    Β· 290 views Β· 57 applications Β· 22dBackend Engineer (Python, Crypto Trading Systems)Full Remote Β· Worldwide Β· 5 years of experience Β· C1 - AdvancedJoin Autowhale and Help Redefine Institutional Crypto Infrastructure Autowhale is building the backbone of institutional crypto trading: a scalable platform that merges execution systems with portfolio and fund managementβserving funds, exchanges, OTC...Join Autowhale and Help Redefine Institutional Crypto Infrastructure Autowhale is building the backbone of institutional crypto trading: a scalable platform that merges execution systems with portfolio and fund managementβserving funds, exchanges, OTC desks, and asset managers. Join us from anywhere and help shape the future of digital asset trading. What Youβll Own - Drive real features: Be responsible for delivering key backend components in areas like DeFi protocols, institutional crypto trading, portfolio management, and analytics pipelines.
- Build reliably at scale: Design and maintain Python microservices with a strong emphasis on test coverage, observability, performance, and maintainability.
- Automate everything: Create scripts and tools to streamline our deployment, monitoring, and operations.
- Shape the codebase: Participate in peer review, define best practices, and help evolve our engineering standards.
- Flex your autonomy: Own components end-to-endβfrom specs to deployment.
 Tech Stack Snapshot - Python (primary), plus optional Rust/Go/C++
- Web Framework
- Flask, Web3.py
- PostgreSQL, MongoDB, timeseries data
- DevOps
- Docker, AW S, CI/CD pipelines
- CCXT
- RPC Nodes
- Git, asynchronous patterns, caching
 You Bring - 3+ years of professional Python experience and delivery of production-grade systems, ideally using microservices.
- Strong proficiency in data modeling, particularly for financial, time-series, or analytics-heavy workloads.
- Comfortable with blockchain/Web3 integrationsβe.g., reading on-chain events, token flows.
- A solid understanding of scalability fundamentals (caching, batching, async, indexing).
- Excellent communication in English and the ability to work independently in an async-first setup. 
 What Makes You Stand Out (Bonus Points) These arenβt mandatoryβbut theyβll help you hit the ground running: - Experience in additional languages (Rust, Go, JS, C++).
- Familiarity with DeFi strategies (e.g., arbitrage, liquidity management) or trading workflows.
- Prior integration with exchange APIs or financial systems.
- Understanding of double-entry ledger systems, cross-chain protocols, or multi-chain DeFi. 
 Why This Role Will Challenge & Reward You - 100% Remote + Flexible Hours: Your schedule, your workspaceβplus two regular syncs per week to stay aligned.
- High Ownership, Low Bureaucracy: We're a tight, transparent teamβno red tape, only impact.
- Learn the full stack in crypto: From AWS deployments to Web3 pipelines, automated workflows, and trading infrastructure.
- Competitive compensation: Tailored for mid-senior developers in lower-cost marketsβbalance great work and great living standards.
- Influence from day one: Play a key role in shaping product direction, tooling, and engineering culture. 
 Ready to Get Started? Send us your resume (and GitHub link), highlight similar projects you've shipped, and tell us what excites you most about crypto infrastructure. Built the next generation of trading systems? Letβs talk. More
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    Β· 127 views Β· 28 applications Β· 9dPython Django DeveloperFull Remote Β· Ukraine Β· 3 years of experience Β· B1 - IntermediateWe are a dynamic and innovative team working on a cutting-edge project in sports analytics and statistics. With a solid foundation in frontend development, we are now looking for a skilled Python Developer to lead backend implementation and API...We are a dynamic and innovative team working on a cutting-edge project in sports analytics and statistics. With a solid foundation in frontend development, we are now looking for a skilled Python Developer to lead backend implementation and API development. 
 Requirements: - Proven experience as a Python Developer with strong expertise in Django, Django Templates, and Django Ninja (experience with FastAPI or DRF is also acceptable).
- Solid understanding of backend development, especially in the context of data-rich applications.
- Experience with PostgreSQL, Redis, and Solr or Elasticsearch.
- Experience in designing, developing, and maintaining robust and well-documented APIs.
- Excellent collaboration and communication skills.
- Problem-solving mindset with strong attention to detail.
 
 Will be a Plus:- Understanding of sports statistics and analytics, with the ability to translate data into actionable insights.
- Experience integrating third-party sports data providers via APIs.
- Familiarity with responsive design and building user interfaces for data-heavy applications.
- Basic knowledge of frontend technologies such as HTML, JavaScript, CSS, SCSS, and experience with Unpoly.
 
 Responsibilities:- Lead the backend development and architecture of the platform.
- Design, implement, and maintain high-performance APIs to serve real-time and historical sports data.
- Collaborate with the frontend team to ensure seamless integration of backend services.
- Work with the team to assess and implement missing features on both frontend and backend.
- Ensure high code quality through unit testing and clean architecture practices.
- Optimize and maintain the performance and scalability of the application.
 
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
 
  
