Techbar

We are looking for a Machine Learning Engineer who is comfortable with LLM fine-tuning, prompt engineering, AI model selection and scalable AI deployment. The ideal candidate will be responsible for evaluating, selecting, and optimizing models for domain-specific tasks.   
 

Key Responsibilities 
• Fine-tune LLMs and optimize models for domain-specific applications. 
• Compare and evaluate open-source vs. closed-source models based on task performance, accuracy, latency, cost, and licensing constraints. 
• Conduct benchmarking using perplexity scores, F1-score, BLEU, ROUGE, and latency tests. 
• Implement parameter-efficient fine-tuning (LoRA, Adapters, Quantization) to improve model efficiency. 
• Develop MLOps pipelines using Kubernetes, Ray, MLflow, and Weights & Biases for scalable deployment. 
• Implement model quantization and pruning to optimize for cost and efficiency. 
• Develop prompt engineering strategies and retrieval-augmented generation (RAG) systems. 
• Deploy models using Docker, Kubernetes, and cloud-based solutions. 
• Collaborate with software engineers and data teams to integrate ML models into production. 
•  Collaborate with data engineers to streamline data pipelines for training and inference. 

Qualifications 
•  5+ years of experience in machine learning.  
•  Experience in comparing, selecting, and evaluating open-source vs. closed-source AI models. 
•  Hands-on experience with LLM fine-tuning, transfer learning, and transformers. 
•  Proficiency in Python, PyTorch, Hugging Face, LangChain. 
•  Experience with distributed training techniques  
•  Familiarity with vector databases (FAISS, Pinecone, Weaviate) for LLM applications. 
•  Experience with MLOps best practices (CI/CD, monitoring, logging). 
•  Understanding of model benchmarking and evaluation techniques.

🕒 Type: 3 months contract with long term extension .  

We're on the lookout for a talented Senior AI Engineer Backend to join us as a contractor on a 1-year renewable contract. If you're passionate about cutting-edge technology and want to be part of an early-stage company building an innovative AI platform for AI call agents, this could be the perfect opportunity for you!

What You'll Do:
• Evaluate Gen AI models (openAI, Mistral, etc.) , embedding algorithms, etc. to produce an
efficient and scalable RAG pipeline.
• Lead the development/architecture of our RAG pipeline, AI platform's backend, ensuring robust
and scalable architecture.
• Collaborate closely with our small, agile team to implement our AI infrastructure in Microsoft
Azure.
• Ensure seamless integration with our AI call agent platform.
• Handle telephony integrations with Twilio or VoxImplant for smooth customer interactions.
• Innovate and contribute to the overall architecture and design of our platform, focusing on
scalability and performance.

Who We're Looking For:
• Experience: Proven track record in RAG and Gen AI development with experience in
microservices architecture and cloud platforms, specifically Azure.
• Tech Stack: Proficiency in using
o Gen AI models (openAI, Mistral, etc.) and RAG systems (Azure AI seach, Ragflow, etc.)
o Azure Cloud: Azure cloud services such as Cosmos DB, Azure OpenAI, Azure AI
Studio, Azure Functions, Azure API Management, etc.
o Telephony platforms such as VoxImplant and/or Twilio
o Languages: Python, C#
 

Skills: 

• Strong problem-solving abilities, attention to detail, and the ability to create scalable AI pipeline solutions.
 

Culture Fit: 

• We value a collaborative and entrepreneurial spirit, and we're looking for someone who thrives in a startup environment.

Why Join Us?
• Be part of an early-stage company with big ambitions and the opportunity to shape the future of AI in customer service.
• Work in a small, close-knit team where your contributions are recognized and valued.
• Flexible work environment, allowing you to balance work and life

We’re urgently seeking a Scala Developer to join our dynamic team, working on exciting, high-impact projects using Scala and Azure. If you’re passionate about crafting scalable systems, thrive in a remote setup, and want to make your mark in a startup environment, let’s connect ASAP!

What You’ll Bring:

• Scala mastery: Build robust, high-performance applications with clean code.

• Azure expertise: Hands-on experience designing and deploying cloud solutions ( Azure experience is Must!)

• Nice-to-have: Knowledge of Cassandra or Elastic Search for data-heavy projects.

• Team spirit: Shine in a collaborative, distributed team working on diverse client projects.

• Strong English: Communicate confidently in a global, professional setting.

Why Join Us:

• Work on varied, high-profile projects for international clients.

• Use modern tech (Scala, Azure, and potentially Cassandra/Elastic Search) in a fast-paced startup.

• Enjoy remote flexibility with a tight-knit, innovative team.

Send your resume. Show us your Scala and Azure skills and join our startup’s mission to deliver world-class solutions!

Hi there! We’re Techbar - a technology services company built by hands-on delivery leaders and engineers with 10+ years of experience.
We help startups, product companies, and digital businesses build and scale software teams, extend in-house capabilities, and bring digital products to life - from idea to launch.

What this role is about
We’re looking for a strong mid-level Delivery/Account Manager to become the main orchestrator across our incoming project and staff augmentation requests.
You’ll be the person who:
- Picks up new requests from sales and helps shape the engagement.
- Works closely with recruiters, resource managers, and clients.
- Coordinates everything between sales, staffing, contracts, and delivery.
- Signs agreements and keeps the wheels turning smoothly.
- Ensures clients feel we’ve got it under control - because we do 🙂
- Most of the workload will come from staff augmentation requests (finding and onboarding engineers into client teams), with occasional full-cycle delivery projects.

What you’ll be doing
- Own the full cycle from incoming client requests - to a signed contract - to a successful onboarding.
- Communicate clearly with sales, recruitment, and delivery teams.
- Manage timelines, expectations, and next steps — no silos.
- Be the point of contact for clients: transparent, responsive, and calm under pressure.
- Follow up on projects to make sure delivery stays on track.
- Track and improve internal processes where needed.
- Be a line manager for the team members who work on your accounts.

Who we’re looking for
- 4+ years of experience in IT delivery, project coordination, or client/account management.
- Hands-on experience with staff augmentation or outsourcing services.
- Strong communication and soft skills - you’re a people person who gets things done.
- Confident English (upper-intermediate+), both written and spoken.
- Self-driven, structured, and proactive - we don’t micromanage here.

What you’ll get
- A chance to join a team of experienced delivery leaders - no bureaucracy, no noise.
- Diverse client portfolio: from fast-moving startups to digital product companies.
- Remote-first work culture with flexibility and trust.
- A real impact: your voice and decisions will shape how we grow and deliver.

We are seeking a Senior Full-Stack Developer with strong English and expertise in Python backend development and React frontend technologies for one of our projects. The ideal candidate will have at least 5 years of professional experience building scalable systems, designing APIs, and creating dynamic user interfaces. This role offers an exciting opportunity to shape robust, enterprise-grade solutions in a fast-paced environment.

Key Responsibilities:
Backend:
• Design and implement high-performance APIs using Python (FastAPI/Pydantic v2/SQLModel/Celery).
• Architect scalable backend systems optimized for regulatory compliance and high concurrency.
• Develop and maintain robust database schemas using PostgreSQL or similar.
• Ensure application security by implementing authentication, authorization, and data protection mechanisms.
• Optimize server-side logic for performance, scalability, and reliability.
• Integrate third-party services via APIs and manage data flows securely.
Frontend:
• Build responsive, mobile-first web applications using React and TypeScript.
• Create reusable components and libraries for future use while ensuring high-quality UI/UX standards.
• Optimize web applications for maximum speed and scalability across devices.
• Ensure cross-browser compatibility and accessibility compliance.
• Collaborate with designers to translate mockups into interactive user interfaces.
Full-Stack:
• Work across the stack to ensure communication between frontend and backend systems.
• Debug and troubleshoot issues across the entire stack to maintain application stability.
• Participate in architectural decisions to improve system performance and scalability.
Infrastructure & Deployment:
• Containerize applications using Docker.
• Monitor system health, troubleshoot production issues, and optimize infrastructure for high availability.

Requirements (Must Have):
• 5+ years of commercial experience as a Full-Stack Developer
• Fluent English — must be able to communicate confidently with international teams
• Python 3 with FastAPI in production
• Pydantic v2 and async programming (async/await)
• Strong knowledge of PostgreSQL: schema design, query optimization
• Experience with SQLModel or SQLAlchemy
• Production experience with React and TypeScript
• Working knowledge of TailwindCSS or similar CSS frameworks
• Experience with TanStack Query (React Query)
• Confident use of Docker in development workflows
• Hands-on experience with AWS services: ECS, S3, RDS
• Solid understanding of Git workflows in team environments

This is project based role (long term).
 

We're looking for an experienced PHP Developer  for a long-term project with one of our clients. This is a remote, full-time role focused exclusively on support and maintenance of a legacy monolithic backend system.

Project Highlights:

• 🧱 Monolithic system — no frontend
• ⚙️ Stack: PHP 7.3.3, MySQL
• 🛠 Maintenance & support only — no new features
• 🌍 Remote work with 4–5 hours of overlap with EST
• 🔒 Stable, long-term engagement

This is a great fit for someone who values consistency, understands legacy systems, and prefers clean, well-scoped work.

Contract based role. 

Long term

We are looking for a skilled and motivated DevOps Engineer to join our growing team. In this role, you will be a key player in building and maintaining robust cloud infrastructure and CI/CD ecosystems for enterprise-grade solutions. If you're passionate about automation, cloud platforms, and modern development operations — we'd love to hear from you.

Your Day-to-Day Responsibilities Will Include:
Administering and supporting both public and private cloud platforms (Azure and/or AWS)
Configuring and managing Kubernetes clusters
Setting up and maintaining CI/CD pipelines
Providing support for development infrastructure (TeamCity, Git, Artifactory, SonarQube, etc.)
Automating builds, test execution, software delivery, and deployment processes
Aggregating and integrating data from various tools and systems
Adhering to and promoting Infrastructure as Code (IaC) principles

What We Expect From You:
Proven experience with Azure and/or AWS cloud platforms
Deep understanding of cloud platform configuration and management
Strong skills in build and deployment automation
Familiarity with key development tools and infrastructure support
Hands-on experience configuring CI/CD pipelines
Proficiency in Linux server administration
Experience with containerization and orchestration (e.g., Docker, Kubernetes)
Ability to assist and support Java or .NET applications during delivery stages
Experience with application server configuration
Fluent English (verbal and written) for daily client communication