Vecten

Vecten specializes in developing proprietary data infrastructure and AI systems tailored for private capital and healthcare sectors, enabling organizations to transform fragmented information into a strategic competitive advantage.

Internet Software & Services

Information Technology

8 open positions

Links

View All Jobs

Senior Data Engineer (LLM)

2 weeks, 6 days ago

Poland

Full-time

Senior

Data Engineer

Software Development

Apache Airflow AWS CI/CD Docker EC2 FastAPI Git Jenkins Jupyter Kubernetes Linux LLM Machine Learning Neo4j Next.js OAuth OpenID Connect OpenTelemetry Pandas Python React Snowflake SQL Statistics Terraform

Apply Now

Vecten

Internet Software & Services

View All Jobs 8

Description

Develop proof-of-concepts using modern technologies and third-party integrations.
Own and evolve the Next.js/React frontend, including authenticated flows and secure session handling.
Deliver production-grade applications after validating proof-of-concepts.
Build solutions that help data scientists and business analysts work more independently.
Design and implement secure, scalable access patterns, including OAuth2/OIDC and authorization boundaries.
Explore and implement GenAI applications with vector and graph data stores.
Contribute to FastAPI backend services and agent-driven workflows across the stack.
Develop data warehouse and ETL components for batch and streaming data pipelines.
Build data flows for data fetching, aggregation, and data modeling.
Document design decisions before implementation.

Requirements

5+ years of professional experience in a data-related or full-stack engineering role.
An undergraduate or graduate degree in Computer Science, Engineering, Mathematics, or a similar field.
Strong proficiency in Next.js and React for frontend development.
Expertise in Python and SQL.
Experience with data warehouses, especially Snowflake, and other databases including RDBMS, vector, and graph technologies.
Proven experience building secure, scalable web applications.
Hands-on experience with AWS services and Docker.
Experience with infrastructure-as-code tools such as Terraform.
Excellent spoken and written English at C1 level or higher.
Creative problem-solving skills, strong technical documentation, and ability to work across Windows and Unix-like systems.
Experience with FastAPI or other Python web frameworks (preferred).
Knowledge of OAuth2/OIDC flows, PKCE, and token/session handling (preferred).
Experience integrating LLMs, including OpenAI and possibly open-source models (preferred).
Experience with agent frameworks such as OpenAI Agents, Agno, Strands, or MCP-style integrations (preferred).
Understanding of fine-tuning, embeddings, and vector semantic search for LLMs (preferred).
Experience with Pinecone or Neo4j (preferred).
Experience with observability tooling such as OpenTelemetry (preferred).
Experience building ETL processes and data pipelines with Airflow or similar platforms (preferred).
Experience with AWS ECS, VPCs, and secure networking patterns (preferred).
Proficiency in statistics and machine learning with Python libraries (preferred).
Experience with repository managers such as JFrog Artifactory (preferred).

Benefits

Flexible working hours and remote work possibility.
Work alongside a talented team of software engineers.
A culture of teamwork, professional development, and knowledge sharing.
Comfortable office in central Warsaw.
Office equipment including MacBook Pro or Dell laptop, external screen, and ergonomic chairs.

Interested in this position?

Apply directly on the company website

Apply Now

Similar Roles

SAP BW Lead

Lingaro 5K-10K IT Services

SAP BW Lead for Poland’s CC Data Engineering & Management team at SAP, responsible for leading SAP BW-related data engineering work in a full-time remote role.

Poland Full-time Lead Data Engineer

1 hour, 51 minutes ago

Apply

1 hour, 51 minutes ago

Senior Data Engineer

Egen.ai IT Services

Egen is seeking a Senior Data Engineer to build scalable, client-facing data platforms and API integrations on Google Cloud, with a focus on healthcare data solutions.

Anywhere Full-time Senior Data Engineer

$125k-$150k

Apache Airflow AWS dbt GCP JSON Python REST API Salesforce SQL

2 hours, 31 minutes ago

Apply

2 hours, 31 minutes ago

Data Engineering Team Lead (Agentic Search)

Nebius 51-250 Internet Software & Services

Nebius is seeking a Data Engineering Team Lead to own the data platform supporting its agent-native search product, spanning ingestion, warehouse architecture, analytics, and trustworthy datasets for product and business decisions.