Jobs Python

Role Overview

We are seeking an experienced Senior Bentley BIM Engineer to serve as a key technical leader in delivering complex infrastructure BIM models. This role involves leading multidisciplinary 3D delivery, integrating complex datasets, and ensuring high-quality, standards-compliant outputs across large-scale projects.

Key Responsibilities

Lead 3D Delivery
Develop, federate, and deliver multidisciplinary models (roads, rail, utilities) using OpenRoads Designer, OpenBuildings Designer, MicroStation, and Civil 3D.

Integrate Complex Data
Combine reality capture data (LiDAR, drone surveys, ContextCapture), surveyed topography, and Subsurface Utility Engineering (SUE) datasets into coordinated, clash-free models.

Drive Geospatial Accuracy
Manage coordinate systems, terrain surfaces, and utility quality levels (QL D–A) to ensure high-fidelity, construction-ready models.

Ensure Quality & Compliance
Act as the technical authority for QA/QC, clash detection, and compliance with ISO 19650. Ensure proper metadata integration and alignment with client BIM Execution Plans and delivery standards.

Mentor & Innovate
Guide and support junior modelers globally, enhance BIM workflows, and contribute to digital twin readiness within the Bentley Systems ecosystem.

Requirements

Experience

• 10+ years in infrastructure BIM modeling
• 6+ years leading large-scale civil, rail, or utility projects

Bentley Expertise

• Advanced, hands-on experience with:
  • OpenRoads Designer
  • OpenBuildings Designer
  • MicroStation CONNECT Edition
  • iTwin Platform

Data & Collaboration

• Strong experience with ProjectWise
• Proven ability to produce and manage federated 3D models

Technical Knowledge

• Solid understanding of surveying, SUE workflows, and mapping standards
• Strong ability to interpret construction documents and shop drawings

Client & Standards Integration

• Experience defining asset data exchange requirements with clients
• Ability to integrate metadata and adapt models to client-specific standards
• Experience working with coordinate systems, grids, workspaces, worksets, and seed file standards

Nice-to-Have Skills

Workflow Optimization & Automation

• Strong Excel and Bluebeam Revu skills
• Experience with Python scripting or Bentley SDK

Cross-Platform Coordination

• Familiarity with Autodesk Construction Cloud (ACC)
• Experience with Revit, Navisworks
• Knowledge of ArcGIS Pro

Advanced Bentley Tools

• OpenRail, OpenUtilities Designer, OpenGround
• Generative Design workflows

Data & Reality Capture

• Photogrammetry and metadata management
• Automation and scripting experience

We work with startups and established companies to create products in healthcare, fintech, eCommerce, and AI. This role offers real variety — new domains, evolving challenges, and steady professional growth instead of being locked into a single legacy system.

If you’re motivated by fast learning and building features that go live, this might be the right place for you.

What You'll Do

• Build and ship features - from small tasks to full modules as you grow
• Write clean code and learn best practices through code reviews
• Work alongside experienced engineers who'll help you level up
• Learn how production apps are built and scaled
• See different products and industries - faster learning curve

What We Work With

⚡ Python, FastAPI, Django, Pydantic, PostgreSQL, uv, Ruff

Gets You Extra Points

• Familiar with SQLModel, Alembic
• Used AI coding tools (Cursor, Claude Code, Copilot)
• Hands-on experience with any LLM integration
• Basic prompt engineering skills

What You Bring

• Solid understanding of Python
• Understanding of REST APIs
• Basic experience with SQL databases
• English: Intermediate+
• Willingness to learn and take feedback

What You Get

Work & Growth:

• Fully remote, flexible hours
• Structured code reviews
• Senior engineers who help you level up
• English practice sessions

Compensation:

• Salary in USD
• Performance reviews twice a year
• 15 days paid vacation + sick leave

🚀 Ready to level up? Apply now.

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies. 

We are looking for a Team Leader (Python)!

Requirements:

- Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field;
- 5+ years of experience in software engineering;
- Strong proficiency in Python, with experience with other programming languages;
- Solid understanding of computer science fundamentals, data structures, and algorithms;
- Strong knowledge of concurrency, parallelism, and related concepts;
- Experience with back-end frameworks (FastAPI);
- Expertise in object-oriented programming and SOLID principles;
- Experience with RESTful APIs and microservices architecture;
- Proficiency in version control systems, particularly Git;
- Familiarity with CI/CD pipelines and DevOps practices;
- Strong understanding of database systems (both SQL and NoSQL);
-  Experience with AWS services, cloud architecture, and Serverless development;
- Knowledge of containerization technologies (Docker, Kubernetes);
- Testing and quality mindset; understanding Test Pyramid methodology and different Test Categories;
- Understanding of Observability (structured logging, metrics, traces, OpenTelemetry) and Reliability (circuit breakers, backoff, idempotency)

Will be a plus:

- Practical AI app experience: implementing RAG pipelines (chunking, indexing, retrieval, re-ranking) with vector stores (e.g., pgvector, Qdrant, Pinecone) and framework glue (LlamaIndex, LangChain, pydantic_ai or any similar);
- Integrating LLM providers via API (prompt/function-calling/tool use), with guardrails, caching, retries, and fallbacks.
- Familiarity with MLOps tools and practices (deepeval, prompts versioning, etc.);
- Experience with message brokers (e.g., NATS, Kafka, RabbitMQ);
- Familiarity with graph databases and algorithms;
- Understanding of gambling or gaming industry technology stacks

Responsibilities:

- Take ownership of team projects, including delivery coordination, technical quality, risks, dependencies, and day-to-day execution;
- Plan and coordinate team work considering priorities, developer availability, vacations, sick leaves, and backup ownership;
- Ensure delivered solutions follow agreed architecture and clarify unclear technical decisions with the Architect / DTO / stakeholders;
- Be responsible for quality, consistency, maintainability, and production readiness of solutions delivered in code;
- Lead code reviews and improve engineering practices across testing, observability, documentation, reliability, and security;
- Develop and maintain robust, scalable backend applications and services that integrate AI models and AI-powered workflows;
- Design and implement efficient APIs, orchestration services, integrations, and data processing components;
- Collaborate closely with Architect, AI team, product, data, and infrastructure teams to deliver practical AI solutions;
- Troubleshoot, debug, optimize, and upgrade existing systems;
- Support and mentor developers through technical guidance, 1:1 meetings, knowledge sharing, and development planning;
- Identify knowledge gaps, reduce single points of failure, and organize knowledge sharing across team projects;
- Promote practical AI Engineering adoption in the team, including AI-assisted development, testing, documentation, debugging, and review workflows;
- Ensure AI-assisted work improves delivery speed without reducing code quality, security, or maintainability;
- Write and maintain technical documentation, diagrams, README files, and operational notes where needed;
- Stay updated with emerging backend, cloud, and AI Engineering practices and apply them where practical

Our benefits to you:
🍀 An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance, and more
🤝🏻 Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed
🧑🏻‍💻 Modern corporate equipment based on macOS or Windows, and additional equipment is provided
🏖️ Paid vacations, sick leave, personal events days, days off
💵 Referral program — enjoy cooperation with your colleagues and get a bonus
📚 Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences
🎯 Rewards program for mentoring and coaching colleagues
🗣️ Free internal English courses
✈️ In-house Travel Service
🦄 Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie/book/pets lovers, and more
🎳 Other benefits could be added based on your location

Company Description

Are you a seasoned engineer passionate about building scalable, high-performance systems? This Senior-level role offers the opportunity to work remotely with talented teams across Europe, Ukraine, and LATAM.

At Sigma Software, we deliver cutting-edge solutions for global customers, combining technical excellence with a service-minded approach. In this role, you will join a distributed team to architect and evolve an advanced Ads platform, contributing to both innovation and stability.

Why join us? You will work on complex, high-impact systems, collaborate with international experts, and enjoy the freedom to shape architecture and technical patterns that drive long-term success.

CUSTOMER

We partner with a leading company in the AdTech space, delivering high-performance, scalable solutions that empower advertisers to manage campaigns, optimize targeting, and analyze results in real time. The Customer values innovation, reliability, and long-term collaboration, and operates globally with distributed teams in Europe, LATAM, and other regions.

PROJECT

The project focuses on building and evolving core systems for an advanced Ads platform integrated into a product for the interior decor industry. This product enables users to preview and visualize home items before purchase, enhancing shopping experiences both online and in-store.

Job Description

• Design, develop, and maintain APIs and services supporting ad campaign management, targeting, delivery, attribution, and reporting
• Architect scalable, reliable, and high-performance distributed systems
• Optimize systems for high-throughput and low-latency event/data processing
• Drive architectural decisions and establish development patterns
• Collaborate with distributed teams to ensure seamless integration and delivery
• Mentor and guide other engineers, fostering technical excellence

• Ensure code quality, maintainability, and alignment with long-term product goals

   

Qualifications

• At least 5 years of commercial experience in building scalable, high-performance systems
• Hands-on experience with AdTech solutions such as DSP, SSP, ad exchange, prebid, Google Ad Manager, or openRTB
• Strong proficiency in Python, preferably with the Django framework
• Solid knowledge of computer science fundamentals, including data structures, algorithms, and distributed systems
• Good understanding of distributed system architecture with a focus on data availability, reliability, and performance
• Practical experience with Kubernetes, PostgreSQL, and AWS

• Upper-Intermediate level of English

   

WILL BE A PLUS

• Experience with dbt and Redshift

• Familiarity with interior decor industry solutions

   

Additional Information

PERSONAL PROFILE

• Attention to detail and quality
• Excellent communication skills
• Leadership mindset, proactiveness

Who we are

Adaptiq is a technology hub that helps fast-growing product companies build, scale, and support strong R&D teams across different industries.
 

About the Product

We are developing an AI-first maritime intelligence platform that combines multiple global maritime data sources into one operational view. The product creates a digital twin of worldwide maritime activity and uses behavioral analytics, predictive AI models, and advanced data processing to detect risks such as smuggling, illegal fishing, container threats, and other compliance or security issues.

The platform is used by commercial, regulatory, and government customers, operating at global scale and processing millions of events along with terabytes of geospatial data every day. It is built on cloud infrastructure, microservices, and close integration with research and data science prototypes.
 

About the Role

As a Senior Backend Python Engineer, you will join an autonomous team focused on building and scaling agentic, AI-first workflows within a production-grade maritime intelligence platform.

You will be responsible for designing, delivering, and operating backend services that support generative AI agents at scale. The role involves influencing architecture, improving AI-SDLC practices, and helping shape agent-based automation used in real-world defense, regulatory, and enterprise scenarios.
 

Key Responsibilities

• Design and develop scalable Python-based microservices for agentic workflows, data pipelines, and distributed systems.
• Contribute to frontend development with React when needed.
• Integrate generative AI capabilities into production systems, including LLM APIs, RAG pipelines, and autonomous agents.
• Build operational practices and observability for AI components, including monitoring for model drift, hallucinations, and performance metrics.
• Implement and improve AI-SDLC standards, including code reviews, automated testing, CI/CD pipelines, and trace-based quality evaluation.
• Design and maintain infrastructure as code using Terraform, Kubernetes, and AWS services.
• Improve engineering velocity and product quality through automation, tooling, and architecture improvements.
• Mentor engineers on AI frameworks, developer tools, and best practices for high-scale agentic development.
• Work closely with product and research teams to turn user needs into reliable, secure, and scalable backend services.
   

Required Skills and Experience

• 7+ years of professional backend engineering experience.
• At least 2 years of experience building agentic or autonomous AI workflows in production.
• Strong hands-on experience with Python.
• Practical experience with agentic frameworks such as LangChain, LangGraph, DeepAgents, CrewAI, OpenClaw, Hermes, or similar.
• Proven experience designing scalable, event-driven architectures on AWS.
• Experience with messaging systems such as SQS/SNS and SQL/NoSQL databases.
• Strong understanding of GraphQL or REST API design.
• Solid DevOps background, including CI/CD, Kubernetes, and Terraform.
• Experience with production-grade security, monitoring, and incident response for mission-critical systems.
• Strong communication skills, autonomy, ownership, and ability to work in fast-paced, ambiguous environments.
   

Nice to Have

• Experience with React.js or full-stack development.
• Familiarity with vector databases and similarity search for AI applications.
   

Why Us

• 20 vacation days per calendar year, plus official national holidays in the country where you are based.
• Full accounting and legal support in all countries where we operate.
• Fully remote work model.
• Powerful workstation provided.
• Co-working space support if needed.
• Competitive compensation package with annual performance and salary reviews.

What is this project about?

This long-term fintech project is dedicated to simplifying taxes, tax refunds, and tax incentives in the US market. Our platform seamlessly integrates software and dedicated tax professionals to optimize users’ R&D tax credit services — supporting finance and tax-related business logic that has helped businesses claim billions of dollars in tax credits and incentives. Users simply upload their data, the platform performs analyses and generates the necessary tax forms, allowing clients to maximize their benefits efficiently.

What is the team size and structure?

You will be working in close collaboration with Senior Engineers, and communicate directly with the client, Lead, and PM from our side.

Hard skills

• 5+ years of professional backend development experience;
• Deep expertise in Python programming; strong experience with FastAPI or similar frameworks;
• Solid understanding of relational databases, particularly PostgreSQL;
• Strong knowledge of software design patterns and architecture best practices;
• Experience with RESTful API design and development;
• Experience with cloud platforms (preferably Azure);
• Experience with microservices architecture and containerization (Docker);
• Familiarity with Git-based workflows, CI/CD processes, and code reviews;
• Experience integrating third-party services and APIs (e.g., Salesforce, NetSuite);
• Experience with automated testing frameworks;
• Proven ability to build scalable, performant, and secure backend applications;
• Upper-Intermediate English level or higher.
   

Responsibilities

• Design, build, and maintain efficient, reusable, and reliable backend code in Python;
• Develop RESTful APIs and backend services integral to the Unified Partner Portal;
• Ensure seamless integration with platforms like Salesforce and NetSuite;
• Collaborate with front-end developers, UI/UX designers, product owners, and stakeholders to translate requirements into technical solutions;
• Develop rigorous automated tests to ensure system reliability and robustness;
• Optimize API performance and database queries for scalability, security, and maintainability;
• Monitor application performance and troubleshoot issues using observability tools (e.g., Datadog);
• Mentor and provide technical guidance to junior and mid-level developers;
• Document technical designs and processes clearly and comprehensively.
  
  How many stages of the interview are there?
• Interview with the Recruiter – up to 30 min.;
• Tech interview on our side – up to 1 hour.;
• Tech interview on our client side – up to 1 hour.

We’re looking for a Technical (Python) Support Engineer to keep our production applications stable and fast during weekend shifts. You’ll handle incident triage, bug fixes, and small improvements while collaborating with the core team when escalation is needed.

Shift on Saturday & Sunday options (choose one):

• 07:00–13:00
• 13:00–19:00
• 19:00–01:00
• 01:00-07:00
   

What you’ll do

• Maintain and troubleshoot Python/Django web applications
• Debug and optimize database performance (PostgreSQL)
• Operate core AWS services (EC2, S3)
• Diagnose issues with cross-functional teams and implement quick fixes
• Keep code changes clean, documented, and secure
• Handle end-user requests and provide technical assistance

What we’re looking for:

• English: Upper-Intermediate or higher
• Experience: 6+ months with Python & Django OR no commercial experience but:
  • Completed relevant courses/bootcamps (Python, Django, Databases, AWS)
  • Strong fundamentals (data types, HTTP/REST, Git, basic Linux, debugging)
  • Hands-on projects (pet projects, labs, internships) — GitHub links welcome
• Solid knowledge of PostgreSQL (or another relational DB)
• Basic familiarity with AWS (EC2, S3)
• Strong analytical and debugging skills
• Basic understanding of REST APIs and front-end basics (HTML, CSS, JavaScript)
• Clear communicator; comfortable working independently and in a team

Nice to have

• Docker, Kubernetes, and CI/CD pipelines
• Web application security best practices
• Experience in an Agile environment
   

What we offer

• Paid part-time weekend shifts
• Flexible choice of shift blocks
• Supportive team and transparent processes
• Fast track to real production experience

About the Project

We are building a specialized platform for managing clinical trials, helping medical research sites launch and run studies in full compliance with regulatory requirements. The centerpiece of the system is an AI engine that reads complex medical protocols (100–400+ page documents) and automatically converts them into structured, actionable workflows — visit schedules, patient eligibility criteria, regulatory tasks, and more.

Tech stack: Python 3.14, FastAPI, SQLModel, PostgreSQL + pgvector, LangChain, LangGraph, deployed via Docker Compose.

What You'll Be Working On

AI & NLP:

• Architect and continuously improve RAG pipelines for parsing medical documents
• Optimize LangChain pipelines for speed, modularity, and cost-efficiency
• Implement dynamic model selection (LLM, VLM, NER) based on task complexity
• Ensure reproducibility and transparency of AI decisions (traceability, version tracking)
• Enhance vector search capabilities via pgvector

Backend & Data:

• Design PostgreSQL schemas for complex clinical entities
• Maintain a full audit trail in line with regulatory standards (GxP)
• Improve query performance and transactional reliability

Reliability & Testing:

• Set up structured logging and monitoring for ML tasks and pipelines
• Expand automated test coverage (unit, integration, NLP validation tests)
• Support computerized system validation (CSV) readiness

DevOps:

• Maintain Docker infrastructure and CI/CD pipelines
• Ensure system scalability across multiple studies and sites

What We're Looking For

Must Have:

• 5+ years of hands-on experience with Python, FastAPI, and SQLAlchemy
• Proven experience designing microservices and containerized deployments
• Deep knowledge of PostgreSQL
• Experience with Celery, Redis, and RabbitMQ
• Practical experience with LangChain and vector databases
• Solid understanding of embedding models, AI orchestration, and prompt engineering
• Background in regulated industries (healthcare, fintech, or similar)

Nice to Have:

• Experience building AI systems in GxP environments
• Familiarity with Ruff, Poetry, and pre-commit hooks
• Track record of scaling and re-architecting existing systems

One Thing to Note

We are specifically looking for engineers with real production experience building and refactoring AI/NLP systems — not just prototype experimentation. You will collaborate closely with an ML Architect, ML Engineer, Business Analyst, and QA team.

We are looking for a skilled and proactive Middle Python Developer to join our team on an initial freelance basis (with full-time potential) and contribute to an innovative project in the AI and LLM domain for a US-based client. As a Middle Python Developer, you will play a key role in building robust backend applications, developing high-quality software solutions, and collaborating with a cross-functional Scrum team to deliver exceptional results. The ideal candidate is proficient in Python development and backend architecture, excels at time management in dynamic environments with strict deadlines, and possesses excellent written and verbal communication skills in English.

Requirements
 

• Bachelor’s degree in Computer Science or related field OR equivalent experience;
• 2+ years of experience building applications using Python;
• Working experience with FastAPI (Flask/Django experience is transferable);
• Good knowledge of relational databases (SQLite, PostgreSQL) and SQLAlchemy: data modeling, schema design, writing efficient queries;
• Hands-on experience with AI tools in the development workflow (Claude Code, Cursor, GitHub Copilot, or similar code assistants);
• Experience using LLMs for generating realistic, internally consistent mock/synthetic datasets;
• Experience with AI image generation tools (Vertex AI, Stable Diffusion, DALL-E, or similar);
• Experience with code quality tooling (Ruff, linters) and writing clean, maintainable, well-structured code;
• Ability to learn new technologies quickly.
• At least Upper-intermediate

Nice to have
 

• Experience with geospatial data (coordinates, boundaries, spatial queries);
• Experience with prompt engineering and structuring LLM outputs (JSON mode, schemas);
• Experience with monorepo tooling (Nx, pnpm workspaces) and uv;
• Familiarity with OpenAPI schema design for typed client generation.

What will you get:
Career growth & projects
• Competitive salary based on your skills and experience, and a benefits package.
• Regular performance appraisals to support your career development.
• Professional development support: online courses, certifications, and study compensation (including English courses).
• A modern tech stack across challenging, long-term projects.

Health & well-being
• Paid vacation (18 working days) and sick leave (15 days).
• VIP medical insurance or sports coverage.

Work environment & flexibility
• Remote work from anywhere in the world or in one of our offices in Kyiv, Lviv, or Warsaw.
• Coworking compensation.
• Necessary equipment to perform your work.

Culture & community
• A collaborative and open culture where contributions are recognized.
• Regular corporate online & offline activities.
• Geniusee Charity Fund, making a difference beyond tech.

About Us

We’re building a mental wellness app designed to deliver personalised, accessible, and impactful support to users worldwide. Our mobile app is already live and growing fast, and we’re now looking for a talented Backend Developer to join our team and help take the product to the next level.

The Role

You'll own and evolve the server-side logic that powers our apps — designing and shipping APIs consumed by mobile and web clients, strengthening our microservices ecosystem, and helping us scale reliably and securely. You'll work closely with frontend and mobile engineers, DevOps, and product.

Key Responsibilities
 API & Auth
 

• Design and maintain RESTful APIs for iOS, Android, and web
• Build high-throughput async endpoints
• Implement JWT auth flows and OAuth 2.0 social login (Apple, Google)

Microservices & Architecture
 

• Develop and maintain core services: User, Content, Tracking, Analytics, Notification
• Design stateless, fault-tolerant services for horizontal scaling
• Contribute to Golang services for high-concurrency analytics and notification dispatch

Database & Caching
 

• Write optimized PostgreSQL queries; design schema migrations indexes
• Implement time-based table partitioning for analytics and journal data
• Configure PgBouncer pooling, read/write splitting, and materialized views
• Build and invalidate multi-layer Redis caches (sessions, content metadata, preferences)

Integrations
 

• Apple HealthKit (sleep, HRV, mindful minutes, activity sync)
• In-app purchases: App Store API and Google Play Billing verification
• Push notifications via Firebase Cloud Messaging (iOS & Android)
• Stripe for web subscription payments; Amazon Polly for TTS in meditations

Security & GDPR
 

• GDPR features: data export (JSON), 30-day automated deletion, consent management
• AES-256-GCM encryption for sensitive mental health data fields
• Enforce TLS 1.3, HSTS, Perfect Forward Secrecy; contribute to RBAC and audit logging

DevOps & Quality
 • Maintain Dockerfiles and multi-stage build configs; participate in GitLab CI/CD pipeline
 • Support blue-green deployments and canary rollouts (10% traffic routing)
 • Write unit, integration, and contract tests using pytest

Requirements
Must Have
 • 5+ years backend development in Python
 • Confident working with the Flask and FastAPI frameworks.
 • Experience with Golang, JavaScript, and HTML.
 • VPS management skills on AWS: initial setup, application deployment, performance optimization, updates, security, and monitoring.
 • Experience working with Elasticsearch.
 • Strong PostgreSQL skills: schema design, query optimization, indexing, migrations
 • Redis for caching, session management, and rate limiting
 • JWT authentication, OAuth 2.0, and security best practices
 • Experience with pytest and contributing to CI/CD pipelines
 • Comfortable working in a Docker-based microservices environment
 • Knowledge of GDPR requirements and privacy-by-design practices
 • Proficiency with Git and collaborative workflows (GitFlow)

AI & Automation

• Strong understanding of AI-powered development workflows and modern AI tools
• Experience using AI-assisted coding tools such as ChatGPT, Claude, GitHub Copilot, Cursor, and Lovable
• Ability to leverage AI tools to improve development speed, debugging, documentation, testing, and code quality
• Understanding of AI integrations, LLM APIs, prompt engineering, and AI-assisted automation workflows
• Experience working with AI-generated code while maintaining high standards for security, scalability, and maintainability
 

About Us

We’re building a mental wellness app designed to deliver personalised, accessible, and impactful support to users worldwide. Our mobile app is already live and growing fast, and we’re now looking for a talented Backend Developer to join our team and help take the product to the next level.

The Role

You'll own and evolve the server-side logic that powers our apps — designing and shipping APIs consumed by mobile and web clients, strengthening our microservices ecosystem, and helping us scale reliably and securely. You'll work closely with frontend and mobile engineers, DevOps, and product.

Key Responsibilities
 API & Auth
 

• Design and maintain RESTful APIs for iOS, Android, and web
• Build high-throughput async endpoints
• Implement JWT auth flows and OAuth 2.0 social login (Apple, Google)

Microservices & Architecture
 

• Develop and maintain core services: User, Content, Tracking, Analytics, Notification
• Design stateless, fault-tolerant services for horizontal scaling
• Contribute to Golang services for high-concurrency analytics and notification dispatch

Database & Caching
 

• Write optimized PostgreSQL queries; design schema migrations indexes
• Implement time-based table partitioning for analytics and journal data
• Configure PgBouncer pooling, read/write splitting, and materialized views
• Build and invalidate multi-layer Redis caches (sessions, content metadata, preferences)

Integrations
 

• Apple HealthKit (sleep, HRV, mindful minutes, activity sync)
• In-app purchases: App Store API and Google Play Billing verification
• Push notifications via Firebase Cloud Messaging (iOS & Android)
• Stripe for web subscription payments; Amazon Polly for TTS in meditations

Security & GDPR
 

• GDPR features: data export (JSON), 30-day automated deletion, consent management
• AES-256-GCM encryption for sensitive mental health data fields
• Enforce TLS 1.3, HSTS, Perfect Forward Secrecy; contribute to RBAC and audit logging

DevOps & Quality
 • Maintain Dockerfiles and multi-stage build configs; participate in GitLab CI/CD pipeline
 • Support blue-green deployments and canary rollouts (10% traffic routing)
 • Write unit, integration, and contract tests using pytest

Requirements
Must Have
 • 5+ years backend development in Python
 • Confident working with the Flask and FastAPI frameworks.
 • Experience with Golang, JavaScript, and HTML.
 • VPS management skills on AWS: initial setup, application deployment, performance optimization, updates, security, and monitoring.
 • Experience working with Elasticsearch.
 • Strong PostgreSQL skills: schema design, query optimization, indexing, migrations
 • Redis for caching, session management, and rate limiting
 • JWT authentication, OAuth 2.0, and security best practices
 • Experience with pytest and contributing to CI/CD pipelines
 • Comfortable working in a Docker-based microservices environment
 • Knowledge of GDPR requirements and privacy-by-design practices
 • Proficiency with Git and collaborative workflows (GitFlow)

AI & Automation

• Strong understanding of AI-powered development workflows and modern AI tools
• Experience using AI-assisted coding tools such as ChatGPT, Claude, GitHub Copilot, Cursor, and Lovable
• Ability to leverage AI tools to improve development speed, debugging, documentation, testing, and code quality
• Understanding of AI integrations, LLM APIs, prompt engineering, and AI-assisted automation workflows
• Experience working with AI-generated code while maintaining high standards for security, scalability, and maintainability

About Us

We’re building a mental wellness app designed to deliver personalised, accessible, and impactful support to users worldwide. Our mobile app is already live and growing fast, and we’re now looking for a talented Backend Developer to join our team and help take the product to the next level.

The Role

You'll own and evolve the server-side logic that powers our apps — designing and shipping APIs consumed by mobile and web clients, strengthening our microservices ecosystem, and helping us scale reliably and securely. You'll work closely with frontend and mobile engineers, DevOps, and product.

Key Responsibilities
 API & Auth
 

• Design and maintain RESTful APIs for iOS, Android, and web
• Build high-throughput async endpoints
• Implement JWT auth flows and OAuth 2.0 social login (Apple, Google)

Microservices & Architecture
 

• Develop and maintain core services: User, Content, Tracking, Analytics, Notification
• Design stateless, fault-tolerant services for horizontal scaling
• Contribute to Golang services for high-concurrency analytics and notification dispatch

Database & Caching
 

• Write optimized PostgreSQL queries; design schema migrations indexes
• Implement time-based table partitioning for analytics and journal data
• Configure PgBouncer pooling, read/write splitting, and materialized views
• Build and invalidate multi-layer Redis caches (sessions, content metadata, preferences)

Integrations
 

• Apple HealthKit (sleep, HRV, mindful minutes, activity sync)
• In-app purchases: App Store API and Google Play Billing verification
• Push notifications via Firebase Cloud Messaging (iOS & Android)
• Stripe for web subscription payments; Amazon Polly for TTS in meditations

Security & GDPR
 

• GDPR features: data export (JSON), 30-day automated deletion, consent management
• AES-256-GCM encryption for sensitive mental health data fields
• Enforce TLS 1.3, HSTS, Perfect Forward Secrecy; contribute to RBAC and audit logging

DevOps & Quality
 • Maintain Dockerfiles and multi-stage build configs; participate in GitLab CI/CD pipeline
 • Support blue-green deployments and canary rollouts (10% traffic routing)
 • Write unit, integration, and contract tests using pytest

Requirements
Must Have
 • 5+ years backend development in Python
 • Confident working with the Flask and FastAPI frameworks.
 • Experience with Golang, JavaScript, and HTML.
 • VPS management skills on AWS: initial setup, application deployment, performance optimization, updates, security, and monitoring.
 • Experience working with Elasticsearch.
 • Strong PostgreSQL skills: schema design, query optimization, indexing, migrations
 • Redis for caching, session management, and rate limiting
 • JWT authentication, OAuth 2.0, and security best practices
 • Experience with pytest and contributing to CI/CD pipelines
 • Comfortable working in a Docker-based microservices environment
 • Knowledge of GDPR requirements and privacy-by-design practices
 • Proficiency with Git and collaborative workflows (GitFlow)

AI & Automation

• Strong understanding of AI-powered development workflows and modern AI tools
• Experience using AI-assisted coding tools such as ChatGPT, Claude, GitHub Copilot, Cursor, and Lovable
• Ability to leverage AI tools to improve development speed, debugging, documentation, testing, and code quality
• Understanding of AI integrations, LLM APIs, prompt engineering, and AI-assisted automation workflows
• Experience working with AI-generated code while maintaining high standards for security, scalability, and maintainability

About Digis

Digis is a European IT company with 250+ specialists delivering complex products for clients across the U.S., Europe, and Canada. We focus on long-term cooperation, transparent communication, stable projects, and remote-first collaboration.

About the Project

You will join one of the leading SaaS platforms in the dropshipping and e-commerce domain.
They help online sellers automate and scale their business operations across multiple marketplaces and suppliers.
Founded in 2016, the company has grown into a large and mature product with:
 

• 1M+ registered users
• Integrations with Shopify, Amazon, eBay, Facebook Marketplace, Wix, and more
• Access to 25+ suppliers and 150M+ products

Requirements

• 5+ years of commercial experience with Python
• 3+ years of experience with Flask
• 3+ years of experience with React
• English - Upper - Intermediate

Responsibilities

• Develop and maintain scalable backend and frontend functionality
• Build and improve integrations with marketplaces and third-party platforms
• Participate in API architecture improvements and service splitting
• Implement new subscription/payment functionality
• Work with complex business logic around billing and user flows
• Investigate and fix production and integration-related issues
• Collaborate with QA, Team Leads, and other developers during feature delivery

We Offer

• 20 paid vacation days
• 5 paid sick leaves
• Compensation for professional courses
• English learning support
• Work equipment (laptop/monitor)
• Transparent communication and processes
• Opportunity to switch projects within Digis
• Accounting support
• Corporate psychologist support

• Project Description:

  One of the world's largest providers of products and services to the energy industry requires the development, support, and integration of software systems in the Oil & Gas domain. These systems include capabilities such as data acquisition from hardware and software components, machine control, cloud connectivity, process automation, and user interaction. You will be part of a cross-functional team. The project is stable, long-term, and continually adopts new technologies. The project follows the SCRUM methodology.

• Responsibilities:

  Design, develop, and maintain backend services and RESTful APIs using Python and Flask
  • Implement messaging solutions with RabbitMQ and MQTT
  • Work with MongoDB and Redis for efficient data storage and caching
  • Develop robust and scalable features using multithreading
  • Write clean, maintainable, and well-documented code with proper version control using Git
  • Containerize applications and manage development environments using Docker
  • Ensure code quality through unit testing (e.g., pytest) and participate in code reviews
  • Collaborate with team members using Azure DevOps and other Azure services
  • Monitor and troubleshoot system performance, contributing to continuous improvement efforts

• Mandatory Skills Description:

  • Python 2+ year of experience
  • RabbitMQ, MQTT
   • Multithreading
   • REST API
   • Docker
   • Git
   • Unit Testing: Pytest

• Nice-to-Have Skills Description:

  Azure (e.g., Azure DevOps, Azure Deck)
  OpenAPI
  asyncio / aiohttp
  numpy/pandas

• Languages:
  • English: B2 Upper Intermediate
  • Ukrainian: C2 Proficient

We are looking for a Senior Software Engineer for our client, a US-based wellness-tech startup building an AI-powered platform for salons and wellness centers.

The product combines machine learning, recommendation systems, diagnostics, eCommerce, and operational tooling into a single ecosystem used by real businesses and customers.

The platform analyzes customer data and questionnaire inputs to generate personalized treatment and product recommendations through a custom AI service built with Python, ML models, and Elasticsearch. The engineering team is continuously improving recommendation accuracy, integrating new AI capabilities, and scaling the infrastructure as the product grows.

This is an opportunity to join a small, product-focused team where engineering has direct impact on the business and where developers are expected to contribute across the entire platform, from AI integrations and backend architecture to cloud infrastructure and customer-facing features.

Responsibilities

* Maintain and improve a Python-based AI recommendation service

* Integrate and improve ML/AI models in production environments

* Improve Elasticsearch-based recommendation and search logic

* Continuously improve recommendation accuracy based on business requirements and user data

* Develop backend services using Node.js / TypeScript

* Build frontend functionality using React

* Manage AWS infrastructure and deployment workflows

* Improve CI/CD and overall platform reliability

* Work on integrations with external systems including Shopify

* Participate in architecture decisions and long-term technical planning

Tech Stack

Python, TensorFlow (or similar ML frameworks), Elasticsearch / OpenSearch, TypeScript, Node.js / NestJS, React, AWS, PostgreSQL, Redis, Docker, GitHub Actions / CI/CD.

Requirements

* Strong commercial experience with Python

* Experience working with TensorFlow or similar machine learning frameworks

* Experience integrating AI/ML models into production systems

* Strong experience with Elasticsearch, OpenSearch, or Solr

* Strong experience with TypeScript and Node.js

* Experience building frontend applications with React

* Strong AWS experience

* Experience with Docker, Linux, and CI/CD workflows

* Strong understanding of APIs and backend architecture

* Experience working in startup or product-focused environments

* Advanced English communication skills

Nice to Have

* Experience with recommendation engines or AI-powered personalization systems

* Shopify integration experience

* Experience with Terraform, CloudFormation, or AWS CDK

* Native Android development experience (Kotlin preferred)

* Experience using AI coding assistants such as GitHub Copilot, Cursor, Claude Code, etc.

What They’re Looking For

The company is looking for a long-term engineering hire who can take ownership of the product and help lead the technical development of the platform as the company scales.

The immediate priorities are heavily focused on the AI recommendation service, ML integrations, and Elasticsearch-based recommendation infrastructure. Over time, the engineer will also contribute across backend development, infrastructure, integrations, and overall platform evolution.