Top Tech Jobs & Startup Jobs

7 Days AgoSaved
In-Office
Kraków, Małopolskie, POL
Senior level
Senior level
Software
Develop and maintain production-grade native iOS advertising SDKs in Swift and Objective-C. Improve SDK architecture, packaging, versioning, and distribution via CocoaPods. Ensure release quality through automated and device-based testing, troubleshoot integration issues with publishers, collaborate with backend/Android/QA/product teams, and participate in release planning to maintain stability, performance, and backward compatibility.
Top Skills: Automated TestingCocoapodsDevice-Based TestingIos SdkMobile Advertising TechnologiesObjective-CSwift
7 Days AgoSaved
Hybrid
Warsaw, Warszawa, Masovian, POL
Senior level
Senior level
Software
Design, develop, and maintain high-performance backend services in Java/Spring Boot for a large-scale microservices platform. Ensure scalability, reliability, security, and availability; integrate with internal/external systems; participate in architecture decisions; monitor and optimize production services; and drive improvements in code quality, testing, and deployment.
Top Skills: JavaKafkaKotlinMicroservicesMySQLSpring Boot
8 Days AgoSaved
In-Office or Remote
Kraków, Małopolskie, POL
Mid level
Mid level
Software
Lead customer-facing design and deployment of production-grade AI systems. Build end-to-end AI operations, prototype solutions, and implement LLM workflows, RAG pipelines, agentic systems, and custom data pipelines while aligning stakeholders and providing strategic technical guidance.
Top Skills: Agentic SystemsAi FrameworksCustom Data PipelinesLarge Language ModelsLlm WorkflowsRag PipelinesRetrieval-Augmented Generation (Rag)
8 Days AgoSaved
In-Office or Remote
Kyiv, Kiev, UKR
Mid level
Mid level
Software
Develop and deploy AI-driven documentation solutions using LLM orchestration, build backend services and REST APIs in Python, integrate agent-based workflows, collaborate on frontend features, ensure scalability and reliability, contribute to CI/CD and Kubernetes deployments, and participate in Agile processes.
Top Skills: DockerFastapiGitKubernetesLangchainLanggraphLlm Orchestration FrameworksPlaywrightPostgresPytestPythonReactTypescriptVite
8 Days AgoSaved
In-Office or Remote
Chisinau, Municipiul Chișinău, MDA
Senior level
Senior level
Software
Design and implement large-scale Node.js and ReactJS solutions, ensure high quality across development lifecycle, collaborate with team, follow engineering best practices, mentor junior engineers, and build secure, distributed microservices and APIs on AWS.
Top Skills: Agentic System DesignAi Agentic SystemsAWSDevOpsEs6GraphQLJavaScriptMcp ArchitectureMicroservicesNode.jsReactRestTypescript
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Reposted 8 Days AgoSaved
In-Office or Remote
Brasília, Distrito Federal, BRA
Mid level
Mid level
Software
As a Middle Java Developer, you will design, develop, and implement scalable distributed systems while ensuring high performance and low latency. You'll work on APIs, resolve production issues, and conduct testing, collaborating with cross-functional teams.
Top Skills: AWSCi/CdEksJavaKafkaNoSQLSpringSQL
Reposted 8 Days AgoSaved
In-Office or Remote
Kyiv, Gorod-Geroy Kiyev, UKR
Internship
Internship
Software
The internship offers beginner developers hands-on experience in game development, with collaboration on a project, leading to potential employment.
Top Skills: C++CSS3DevOpsGitHaxeHTML5JavaJavaScriptPythonTypescriptUnity
9 Days AgoSaved
In-Office or Remote
Warsaw, Warszawa, Masovian, POL
Senior level
Senior level
Software
Lead QA for a social e-commerce platform: plan and estimate tests, create/maintain test docs, design and run manual/UI/snapshot tests, perform functional/regression/compatibility testing across web and mobile, validate releases, report status, and collaborate with product and dev teams to identify and mitigate risks.
Top Skills: Android StudioCSSGitHTMLPostmanRest ApisSQLXcode
9 Days AgoSaved
In-Office or Remote
Lviv, Lviv Oblast, UKR
Senior level
Senior level
Software
Lead migration of a large-scale analytics platform from BigQuery to a Databricks Lakehouse. Design scalable Delta Lake medallion architectures, build and optimize PySpark data pipelines, implement governance with Unity Catalog, improve performance and CI/CD for data engineering, collaborate with cross-functional teams, and support production deployments and platform modernization.
Top Skills: AirflowSparkBigQueryCi/CdDatabricksDelta LakeGCPPysparkPythonSpark Declarative PipelinesSQLUnity Catalog
9 Days AgoSaved
In-Office or Remote
Warsaw, Warszawa, Masovian, POL
Senior level
Senior level
Software
Lead migration of a large-scale analytics platform from BigQuery to Databricks. Design and implement Lakehouse architectures, build and optimize PySpark data pipelines, implement medallion layers and Unity Catalog governance, troubleshoot complex SQL/Spark workloads, contribute to architecture and CI/CD, and support production deployments for retail analytics workloads.
Top Skills: AirflowSparkBigQueryCi/CdDatabricksDelta LakePysparkPythonSpark Declarative PipelinesSQLUnity Catalog
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