Launch & Scale

On behalf of our client, we are looking for a Senior AI Engineer 

Requirements:

- 6+ years of software development experience, including 5+ years in AI/ML or LLM-focused roles

- Strong Python skills

- Hands-on experience with LibreChat (deployment, customization, integrations)

- Experience with LLMs (OpenAI, Google Gemini, etc.)

- Strong knowledge of RAG architecture, prompt engineering, and agent workflows

- Experience with LangChain, LlamaIndex or similar frameworks

- Experience with Vector DB (pgvector/PostgreSQL) and MongoDB

- Experience with Docker, Kubernetes (GKE), CI/CD

- Experience with Microsoft 365 integrations (Teams, Outlook, SharePoint, Graph API)

- Strong system design and architecture skills

- Good communication skills

Company offers:

- Long-term employment with possibilities for professional growth

- Fully remote work

- Reasonably flexible schedule

- 15 days of paid vacation

- Regular performance reviews

On behalf of our client, we are looking for a Senior .NET Developer 

Requirements:

- C# / .NET / .NET Core strong experience

- C#/.NET desktop expertise (WPF / WinUI / MAUI)

- Experience with hardware integration and native modules (C++ / DLLs)

- Strong understanding of multithreading, async/await, and performance optimization

- Experience with communication protocols (TCP/UDP, WebSocket, REST, gRPC)

- Ability to design systems from scratch and make autonomous technical decisions

- Upper-Intermediate+ English

- German (B2+)

Company offers:

- Long-term employment with possibilities for professional growth

- Fully remote work

- Reasonably flexible schedule

- 15 days of paid vacation

- Regular performance reviews

On behalf of our client, we are looking for an Engineering Lead.

About the Product

A dating application focused on trust and safety, using mandatory ID verification (Vouched) and background checks (Checkr, IDI Data) for every member.

The product is in a growth phase, entering the v2.0 “Ignite” release cycle.

The stack is fully based on Microsoft Azure, with code managed in GitHub and CI/CD via Azure Pipelines.

Responsibilities:

- Lead a distributed engineering team (Ukraine, Poland, US)

- Own technical architecture and infrastructure decisions across Azure

- Manage CI/CD pipelines and deployments (Azure Pipelines, GitHub Actions)

- Deploy application updates to Apple App Store and Google Play

- Drive product roadmap from an engineering perspective

- Manage vendor integrations (Checkr, IDI Data, Vouched, GetStream, Stripe, Auth0)

- Resolve production issues and data quality problems

- Communicate engineering status to non-technical stakeholders and report to CEO

Requirements:

- 7+ years of experience in software development

- 3+ years of experience in a Lead and/or Architect role

- Strong experience with .NET / C#

- Strong experience with Azure Cloud

- Experience with CI/CD pipeline management

- Experience with Azure DevOps

- Experience with API design and integrations

- Experience with AI tools and daily usage in development workflows

- Experience working with mobile technologies (React Native / TypeScript - preferred)

Company offers:

- Long-term employment with possibilities for professional growth

- Fully remote work

- Reasonably flexible schedule

- 15 days of paid vacation

- Regular performance reviews

On behalf of our client, we are looking for a Senior Data Engineer.

About the client: 

The company helps hotel chains like Hilton and Marriott transform front-desk staff into revenue generators through upselling training and analytics. Their IN-Gauge SaaS platform empowers frontline teams across 2,000+ properties in over 100 countries.
 

Key Responsibilities: 
- Implement scaling of the case detection process (scanner)
- Split API into multiple API services
- Emulate pubsub/cloud run locally
- Extract & process data using PySpark + S3 (Kafka/Kinesis — bonus)
- Write & optimize SQL on PostgreSQL/Redshift; use DynamoDB as data source/sink
- Run and debug ETL jobs on Glue or EMR; monitor via console/Spark UI

Company offers:

- Long-term employment with possibilities for professional growth

- Fully remote work

- Reasonably flexible schedule

- 15 days of paid vacation

- Regular performance reviews

On behalf of our client, we are looking for a Senior Backend Engineer (Java, C++, Scala).

About the Project

Apache Spark powers data infrastructure worldwide, but at petabyte scale, performance bottlenecks translate directly into massive infrastructure costs.

The company is building a novel engine designed to dramatically accelerate Spark jobs at their core without requiring data teams to change how they work.

The startup has raised $4.5M in seed funding to build a next-generation data infrastructure optimization engine for the AI era.

Responsibilities:

- Own SQL-acceleration projects end-to-end from planning to implementation and measurable outcomes

- Implement algorithms (targeting a custom DSL) for complex SQL functions within a Scala codebase

- Drive performance optimizations for Big Data processing algorithms primarily in Java but also C++

- Research and develop new greenfield development lying at the intersection of Big Data analytics and compilers

- Implement (in a custom DSL) a major SQL operator (e.g. Window aggregate) or smaller SQL expressions

- Migrate a complex code-generated algorithm in a custom DSL to a C++ equivalent

- Invoke Java code via C++ JNI to provide execution of a SQL function for compatibility reasons

- Implement a variant of repartitioning algorithm optimized for edge-case application configurations

- Refactor existing code generation algorithms to accommodate new improvements of a custom DSL

- Improve GitHub actions workflows to accommodate new build options or new comparative benchmarks

Requirements:

- 5+ years of experience with Java

- 3+ years of experience with C++

- 2+ years of experience with Scala

- Experience working with Big Data processing systems (Apache Spark or similar)

- Strong understanding of SQL processing and data processing algorithms

- Experience working with performance optimization and low-level system improvements

- Upper - Intermediate or higher level of English

Company offers:

- Long-term employment with possibilities for professional growth

- Fully remote work

- Reasonably flexible schedule

- 15 days of paid vacation

- Regular performance reviews

On behalf of our client, we are looking for a Senior .NET Developer with EDI.

About the Project

The team is building a full in-house EDI platform to support logistics and transportation operations.

The system will handle EDI document exchange, transformation, validation, and integration with internal systems such as TMS, billing, and analytics.

This is a build-from-scratch system with strong architectural impact.

Responsibilities:

- Develop backend services using C# / .NET

- Build and extend functionality for EDI document processing (exchange, transformation, validation)

- Integrate the platform with internal systems (TMS, billing, analytics)

- Participate in system architecture and development of a new platform

Requirements:

- 5+ years of experience with C# / .NET

- 3+ years of experience with ASP.NET Core

- 1+ year of experience working with EDI systems

- Upper - Intermediate or higher level of English

Company offers:

- Long-term employment with possibilities for professional growth

- Fully remote work

- Reasonably flexible schedule

- 15 days of paid vacation

- Regular performance reviews