The most exciting jobs in tech

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Showing 100 roles
Holi

Product Designer

Holi- Seed

Remote • Poland
Ability to design interfaces and visualize concepts clearlyAbility to build prototypes using modern tools, including AI-supported workflowsComfort running tests, feedback loops, and iterative validation processesAnalytical mindset and ability to work with product or behavioral dataStrong communication skills and ability to work across product, design, and business teams
TechTree's client

Forward Deployed Engineer

TechTree's client

Remote • Europe (Remote)
Python, SQL, data toolingpipelines, data integrations, and AI tooling
TechTree's client

Staff Backend Engineer

TechTree's client

$160k-$190k+equity
Remote • Europe (Remote)
PythonPostgreSQLAWS LambdaSystem DesignAI/ML
TechTree's client

Government & Market Strategy Manager

TechTree's client

Remote • Poland
Proven experience in government relations, public affairs, or regulatory strategy in Poland
TechTree's client

Senior Software Engineer

TechTree's client

Hybrid • London
TypeScriptReactNext.jsNode.jsPostgreSQLGCPAI
TechTree's client

Forward Deployed Engineer

TechTree's client

$160k-$265k+equity
On-site • San Francisco
TypeScriptPythonFull-stackAIFintech
TechTree's client

Founding Product Lead

TechTree's client

€90k-€120k+equity
On-site • Berlin
Product ManagementHealthcareUXRoadmap Planning
TechTree's client

Founding Engineer

TechTree's client

€90k-€120k+equity
On-site • Berlin
TypeScriptPythonFull-stackSystem DesignHealthcare
TechTree's client

Senior PHP Developer

TechTree's client

Hybrid • Krakow
PHPPhalconMySQLPostgreSQLAPI Integration
AI Coworker Startup

Agent Platform Engineer

AI Coworker Startup

On-site • Warsaw
PythonLinuxContainer OrchestrationOAuthDistributed Systems
Workvoice

Founding Engineer

Workvoice

Hybrid • Warsaw
ReactReact NativeNode.jsPython
TechTree's Client

Chief of Staff

TechTree's Client

Hybrid • Phoenix
SQLPythonData AnalysisAI/ML
AI Coworker Startup

Product Engineer

AI Coworker Startup

On-site • Warsaw
TypeScriptReactPythonAI/ML
AI Coworker Startup

Customer Success Manager

AI Coworker Startup

On-site • Warsaw
Customer SuccessTechnical SupportOnboardingAccount ManagementSaaSAI ToolsChurn PreventionNRR
AI Coworker Startup

Senior Designer (Product)

AI Coworker Startup

On-site • Warsaw
Product DesignUX DesignFigmaInteraction DesignAI ProductsPrototypingDesign SystemsCursorNext.js
AI Coworker Startup

Senior Designer (Web)

AI Coworker Startup

On-site • Warsaw
FigmaNext.jsReactTailwindPostHogA/B TestingAdobe CCCursorLanding PagesConversion Optimisation
AI Coworker Startup

Senior Designer (Brand & Marketing)

AI Coworker Startup

On-site • Warsaw
FigmaAdobe CCMotion DesignBrand DesignIllustrationArt DirectionAfter EffectsAI ToolsMarketing DesignEvent Design
AI Coworker Startup

Agent Harness Engineer

AI Coworker Startup

On-site • Warsaw
TypeScriptReactPythonAI-assisted developmentContainer orchestration
Frontier Enterprise AI Company

Field / Site CTO

Frontier Enterprise AI Company

On-site • Warsaw
AI SystemsLLMsAgentic AITechnical LeadershipPythonFull-stack EngineeringBackend EngineeringTeam BuildingStartup Experience
TechTree's client

Senior DevOps Engineer (DevSecOps)

TechTree's client

Hybrid • Kraków
DevOpsDevSecOpsAzureKubernetesTerraformAnsibleCI/CDJenkinsAzure DevOpsGrafanaPrometheusSASTSCATLS/SSLVulnerability Management
TechTree's Client

Growth Marketer

TechTree's Client

Remote • Lithuania, Poland, Ukraine
Paid AcquisitionTikTok AdsMeta AdsGoogle AdsMobile App MarketingAttributionSingularCPA OptimisationGrowth MarketingDTC
Telepatia

Product Manager

Telepatia

$200k-$300k+equity
On-site • Sao Paulo
Experience working closely with mobile engineering teams
AI talent platform startup

Founder Associate

AI talent platform startup

Remote • London, Warsaw
ClayExcelAI productivity and automation tools
Dual IT

Application and integration Architect

Dual IT

On-site • Warsaw
Minimum 2 years of experience as an application architectExcellent knowledge of integration platforms such as Tibco or MuleSoft, SOA, databases, application servers
Dual IT

Data and Information Management Architect

Dual IT

On-site • Warsaw
Expert-level knowledge of Big Data and Modern Data Warehouse systems architectureFamiliarity with SQL and NoSQL databases, Big Data analytics platforms, BI and visualisation tools, and modern data warehousing
Dual IT

Governance Risk and Compliance Expert

Dual IT

On-site • Warsaw
data protection compliance experience in an ICT, EU institutional, public-sector, or similarly technology-heavy environmentpreparing, updating, or reviewing RoPAs, DPIAs, DPAs, TIAs, or related data protection documentation
Dual IT

Modern Endpoint Management Expert

Dual IT

On-site • Warsaw
Microsoft Intune, Microsoft Configuration Manager / SCCM, Microsoft Defender for Endpoint, Microsoft 365 Apps, and Entra IDknowledge of Windows client operating systems and IT end-user infrastructureHands-on experience with Windows Autopilot deployment and troubleshooting
Dual IT

ServiceNow Architect

Dual IT

On-site • Warsaw
ServiceNow
Workvoice

Founding BDR

Workvoice

Hybrid • Warsaw
Cold callingOutbound prospectingLead generationMulti-channel outreachPipeline building
TechTree's Client

VP Credit Risk Officer (Counterparty Credit)

TechTree's Client

Remote • Poland - Remote
Counterparty Credit RiskCredit Risk AnalysisHedge Fund RiskStress TestingDerivativesCollateral & MarginingPrime BrokerageRisk Memoranda
TechTree's client

Forward Deployed Engineer

TechTree's client

Hybrid • Amsterdam
Python, SQL, data toolingpipelines, data integrations, and AI tooling
Telepatia

Staff Platform Engineer

Telepatia

Remote • Brazil
Experience with regulated environments - HIPAA, SOC2, LGPD, GDPR, or equivalent.Strong AWS and GCP hands-on experience.Deep Kubernetes expertise in production - multi-cloud preferred.
TechTree's Client

Full Stack Engineer (TypeScript / React / Node.js)

TechTree's Client

Remote • Remote (Poland)
TypeScriptReactNode.js
TechTree's client

(Senior) Account Manager

TechTree's client

On-site • Berlin
Account ManagementB2B SaaSCustomer SuccessARR GrowthSustainabilityGermanCRMStakeholder Management
TechTree's client

Customer Success Manager - Climate Advisory

TechTree's client

On-site • Berlin
Carbon AccountingGHG ProtocolSBTiCustomer SuccessProject ManagementData AnalysisGermanSustainabilityCCF
TechTree's client

(Senior) Customer Success Manager - Farm Data

TechTree's client

On-site • Berlin
Customer SuccessAccount ManagementAgricultural BackgroundData QualityProject ManagementGermanSustainabilityB2B SaaS
TechTree's client

Bid Manager (RFP & Tenders) - CEE

TechTree's client

Remote • United Kingdom, Warsaw
Bid ManagementRFPTender ManagementEU ProcurementProposal WritingStakeholder ManagementSaaSGerman
Smart friend that works for you 24/7

Founding Engineer

Smart friend that works for you 24/7

On-site • Warsaw
TypeScriptNext.jsSwiftUIAI AgentsLLMsVercelGKEPostgres
TechTree's client

Deployment Strategist

TechTree's client

Remote • Warsaw
AI DeploymentProject ManagementStakeholder ManagementAPI IntegrationEnterprise SaaSAI Agents
AlfaDocs

Senior Full Stack Engineer

AlfaDocs

€60k-€80k+equity
Remote • Remote (EU)
PHPSymfonyReact.jsMySQLDockerGitLab CI/CDDDDUnit Testing
TechTree's client

Founding Deployment Engineer

TechTree's client

On-site • Warsaw
Have experience with implementing AI systems in resource constrained environmentsAre comfortable diving into **audio processing** and **low-latency systems**
TechTree's client

Founding AI Engineer

TechTree's client

Remote • Warsaw
PythonReactAPI integrationsLLMs (e.g., Claude, OpenAI)AWS/Azure/GCPBuilding AI products, features.
TechTree's client

Forward Deployed Engineer

TechTree's client

Remote • Warsaw
CodingAI tools (Claude, GPT, Cursor, Claude Code)System architecture assessmentStakeholder interview skillsClient-facing communication
Startup building autonomous AI clinicians

Forward Deployed Medical Lead

Startup building autonomous AI clinicians

Remote • Saudi Arabia, United Arab Emirates
Clinical OperationsHealthcare AIChange ManagementClinical InformaticsMedical OperationsStakeholder ManagementAI Deployment
Startup building autonomous AI clinicians

Deployment Strategist

Startup building autonomous AI clinicians

Remote • Saudi Arabia, United Arab Emirates
HealthcareAI DeploymentStakeholder ManagementStrategy ConsultingEnterprise PartnershipsClinical OperationsProject Management
HelmGuard

Founding Product Engineer

HelmGuard

On-site • London
TypeScriptReactNode.jsRustAzureDockerAPI DesignAI AgentsFull-StackLLMs
TechTree's client

CMO / Growth Lead

TechTree's client

Remote • Europe (Remote)
B2B SaaS MarketingDemand GenerationProduct-Led GrowthGo-to-Market StrategyCategory CreationSEOContent MarketingProduct MarketingMarketing LeadershipEuropean Markets
TechTree's client

Compliance & Information Security Lead (Part-Time)

TechTree's client

Hybrid • Poznań / Warsaw
ISO 27001Information SecurityComplianceRisk ManagementGDPRSOC 2NIS2AuditingSecurity PolicyB2B SaaS
AI talent platform startup

Talent Researcher (Sourcing Agents Manager)

AI talent platform startup

Remote • Warsaw
Coding agentsClayExcelPython
Frontier Enterprise AI Company

Forward Deployed Engineer

Frontier Enterprise AI Company

Hybrid • Warsaw
AI AgentsSystem DesignSoftware EngineeringPythonAPI IntegrationCustomer Deployment
Frontier Enterprise AI Company

Enterprise Account Executive

Frontier Enterprise AI Company

Hybrid • Warsaw
Enterprise SalesSaaSAIPipeline ManagementCxO RelationshipsNegotiationSalesforce
Frontier Enterprise AI Company

Deployment Strategist

Frontier Enterprise AI Company

Hybrid • Warsaw
AI DeploymentProject ManagementStakeholder ManagementAPI IntegrationEnterprise SaaSAI Agents
TechTree's client

Developer

TechTree's client

Hybrid • Brussels
SymfonyPHPPythonJavaScriptSQLHTMLCI/CDKubernetesReactAPI Platform
TechTree's client

Cloud Platform Engineer

TechTree's client

Remote • Remote (EU)
CycloidAWSAzureTerraformClever CloudSTACKITScalewayS3NSIDPCloud Infrastructure
Proof-Backed Reasoning Startup

Field Application Engineer (Integrated Photonics)

Proof-Backed Reasoning Startup

$150k-$250k+equity
Hybrid • Boston, US / Toronto
PythonPhotonicsIntegrated PhotonicsCOMSOLAnsysEDALLMsAI WorkflowsCadenceSynopsys
TechTree's client

Director of Technology

TechTree's client

Hybrid • London
AI productivity and automation tools (e.g. Claude, Microsoft Copilot)DevOps and cloud experience (servers, networking, security, Linux/Unix, Azure)Data Visualization, warehousing and database technologies (e.g. Tableau, Power BI, Looker, BigQuery, Microsoft Fabric, PostgreSQL, MySQL)Data Privacy, Data Security, and Compliance regulations (GDPR)CRM systems (Blackbaud, Salesforce, MS Dynamics)
TechTree's client

Frontend Software Engineer

TechTree's client

Remote • Romania
JavaScriptReactHTML/CSSStorybookJest
TechTree's client

PHP Software Engineer

TechTree's client

Remote • Poland, Romania, Serbia
PHPCakePHPSymfonyLaravelSQL
AI Coworker Startup

Head of Conversion

AI Coworker Startup

On-site • Warsaw
Conversion Rate Optimization (CRO)CopywritingSite Information ArchitecturePaid Funnel AnalysisLanding Page Design
TechTree's client

Product Designer

TechTree's client

Hybrid • Krakow
UX process ownershipResearch & insight synthesisProduct & interaction designPrototypingDesign systems experience
TechTree's client

Founding Engineer - Gaming

TechTree's client

On-site • Sofia
JavaScriptHTML5Browser-based game developmentGame mechanics designPerformance optimization
TechTree's client

Implementation Specialist

TechTree's client

Remote • Cardiff
Software implementationTechnical aptitudeStrategic thinkingCommunication skillsFamiliarity with HubSpot, Vitally, Jira
TechTree's client

Fullstack Software Engineer (FE-leaning)

TechTree's client

On-site • Warsaw
TypescriptSvelteKitNodeJSPostgresPython
TechTree's client

Senior Software Engineer

TechTree's client

Hybrid • London
SQLBackend servicesModern frontend frameworkCloud fluency on AWS, Azure or GCPInfrastructure-as-code (Terraform, Bicep, CDK)
TechTree's client

Forward Deployed Engineer

TechTree's client

Remote • United Kingdom
Modern AI tooling (LLMs, agent frameworks, prompt engineering)SQL, Python or JS scriptingAPIs, JSON, webhooksSystems thinking and engineering judgmentProcess design instinct
TechTree's client

Transformation Manager

TechTree's client

Remote • United Kingdom
Change leadershipStrategic consultingOutcome measurementC-level communicationExpansion mindset
TechTree's client

Transformation Manager

TechTree's client

Remote • United States
Change managementStrategic consultingOutcome measurementC-level communicationExpansion mindset
TechTree's client

Forward Deployed Engineer

TechTree's client

Remote • United States
Modern AI tooling (LLMs, agent frameworks, prompt engineering)SQL, Python or JS scriptingAPIs, JSON, webhooksSystems thinking and engineering judgmentProcess design instinct
TechTree's client

AI Designer Engineer

TechTree's client

On-site • London
TypeScriptReactFigmaCoding agents (Cursor, Claude Code)Design fundamentals
TechTree's client

Business Development Manager

TechTree's client

Remote • Poland
Client acquisitionNegotiationSelf-organizationEntrepreneurial mindsetFluent English (B2/C1)
Proof-Backed Reasoning Startup

Forward Deployed Engineer

Proof-Backed Reasoning Startup

$150k-$250k+equity
Hybrid • Toronto
PythonAI tools (LLMs, APIs, agentic systems)Workflow orchestrationScientific computingCommunication skills
Proof-Backed Reasoning Startup

Forward Deployed Engineer

Proof-Backed Reasoning Startup

$150k-$250k+equity
Hybrid • Boston
PythonAI tools (LLMs, APIs, agentic systems)Workflow orchestrationScientific computingCommunication skills
Proof-Backed Reasoning Startup

Forward Deployed Engineer

Proof-Backed Reasoning Startup

$150k-$250k+equity
Remote • Hong Kong, Japan, Singapore
PythonAI tools (LLMs, APIs, agentic systems, orchestration frameworks)Communication skillsCustomer engagementPrototyping
Telepatia

Applied ML Engineer

Telepatia

Remote • Colombia
ML model trainingML infrastructure (PyTorch, distributed training)ASR and speech modelsData pipeline developmentEvaluation framework design
Telepatia

Fullstack Engineer

Telepatia

Remote • Colombia
Node.jsTypeScriptPythonREST API designGraphQL API design
Hypercritical.ai

Senior ML Engineer

Hypercritical.ai

£100k-£150k+equity
Remote • London
Designingarchitectingand implementing large-scale foundation modelsIn-depth knowledge of recent architectures (e.g.MoEstate-space models)Understanding of data curation and quality control for massive training datasetsProficiency in CUDA C/C++ programmingProficiency in PythonOptimising and debugging deep learning models and performance bottlenecksExperience with distributed or large-scale training and inferenceDeep understanding of at least one major deep learning framework (ideally PyTorch)Experience with cloud platforms (e.g. AWSAzureGCP)ContainerisationOrchestrationExperiment trackingMonitoringEvaluation pipelinesPassion and determinationProblem-solving skillsDelivery-orientedOpenness to disagreement
AI Coworker Startup

Agent Harness Engineer

AI Coworker Startup

On-site • Munich
TypeScriptReactPythonAI-assisted developmentContainer orchestration
AI Coworker Startup

Founding Product Marketing Manager

AI Coworker Startup

On-site • Warsaw
PositioningLaunch motionLong-form writingCompetitive analysisTool fluency (Notion, Linear, PostHog, Hex, basic SQL)
AI Coworker Startup

Head of Talent/Talent Lead

AI Coworker Startup

On-site • New York, NY
SourcingScreeningNegotiationOrganizational designTalent metrics management
Holi

Head of Brand & Partnerships

Holi- Seed

Remote • Poland
Strategic brand leadershipProject managementTeam managementCollaboration with partnersFluent English
TechTree's client

Head of Sales

TechTree's client

On-site • Paris, Warsaw · Remote • Berlin, London
Sales strategy developmentPipeline managementMarket expansionCommunication skillsNetworking
TechTree's client

BDR / Account Executive (DACH)

TechTree's client

Hybrid • Poznan · Remote • Germany
German language skillsSales strategyRelationship managementProspecting/lead generationClosing deals
TechTree's client

Senior Software Engineer

TechTree's client

PLN 192k-PLN 300k+equity
Hybrid • Krakow
PHPReact (TypeScript)PostgreSQLAWSDevOps & CI/CD
AI Coworker Startup

Founding Growth Product Manager

AI Coworker Startup

On-site • Warsaw
SQLPostHogHogQLLinearJira
TechTree's client

Ecosystem Governance Operations

TechTree's client

Remote • Singapore, United Kingdom, United States
NotionAI-assisted workflowsCommunication skillsOrganizational skillsPattern recognition
TechTree's client

Founding Engineer

TechTree's client- Series A

£150k-£200k+equity
On-site • London
PythonTypeScriptCloud infrastructureEvent-driven systemsThird-party integrations
TechTree's client

Finance Manager

TechTree's client

Hybrid • Berlin
Accounting knowledge (HGB)Basic understanding of German tax lawProficient in MS Office (Word and Excel)Excellent English and GermanStrong affinity for numbers
TechTree's client

Infrastructure/DevOps Engineer

TechTree's client- Series A

On-site • London
AzureTerraformKubernetesDockerPython
Proptech AI Startup

Founding Engineer

Proptech AI Startup

Hybrid • Warsaw
AI native developmentFull-stack capabilitiesDirect client engagementIterative approachBuilding end-to-end products
TechTree's client

Full-Stack Engineer

TechTree's client

On-site • London
ReactNext.jsPythonDjangoFastAPIAWSGCPAzureDockerKubernetesCI/CD pipelinesRedisCeleryRQGitcollaborative development workflowsproblem-solving skills
TechTree's client

Full-Stack AI Engineer

TechTree's client

On-site • London
ReactNext.jsPythonDjangoFastAPIAWSGCPAzureDockerKubernetesCI/CD pipelinesRedisCeleryRQAI system developmentRAG (Retrieval-Augmented Generation) systemsmulti-agent infrastructuremodel fine-tuningperformance monitoringLLM evaluation techniquesGitcollaborative development workflowsproblem-solving skills
TechTree's client

Senior Backend Engineer

TechTree's client- Series A

On-site • London
PythonFastAPIPostgreSQLRedisDocker
Wordware

Senior Frontend Developer

Wordware

On-site • San Francisco, CA
TypeScriptReactZustandTailwindCSSIndexedDB
TechTree's client

Founding AI Engineer

TechTree's client

On-site • Warsaw
Pythonaudio processinglow-latency systemsVoice AI systems
Sales Patriot

Full Stack Engineer

Sales Patriot- Seed

On-site • Warsaw
TypeScriptJavaScriptReactSQL databasesNode.js
TechTree's client

Lead Distributed Data Platform Engineer

TechTree's client

Remote • Krakow
PythonSQLApache SparkDelta LakeApache IcebergdbtDatabricksSnowflakeKubernetesDockerinfrastructure-as-codeperformance tuningscalability strategiescost optimizationcommunicationstakeholder managementarchitectural decisionsmentoring engineers
Startup building autonomous AI clinicians

Software Engineer (Early Career)

Startup building autonomous AI clinicians

Remote • United Kingdom
PythonAI-driven patient communicationTriageAgent orchestrationSecure healthcare data layersLow-latency voice/videoScaleDistributed systemsEnterprise integration
Startup building autonomous AI clinicians

Principal Software Engineer

Startup building autonomous AI clinicians

Remote • London
PythonAI-driven patient communicationTriage systemsAgent orchestrationSecure healthcare data layersLow-latency voice/videoScale distributed systemsEnterprise integration
Startup building autonomous AI clinicians

Staff Software Engineer

Startup building autonomous AI clinicians

Remote • Bucharest
PythonAI-driven patient communicationAI-driven triageagent orchestrationsecure healthcare data layerslow-latency voice/videoscale distributed systemsenterprise integration
AI Audio Platform

Technical Customer Support Specialist (Independent Contractor)

AI Audio Platform

Remote • Beijing, Seoul, Tokyo
APIs & IntegrationsTroubleshooting REST APIsHTTP requests/responsesAuthWebhooksIntegration flowsDebugging browser/network errorsClient-side issuesGCP toolsGCP LogsSQLReading and troubleshooting codePythonJavaScript/Node.js/ReactReasoning about logsstack tracesand error messagesAI conceptsLLM conceptsAI models in production workflowsAudio technology or media processingAI audio toolsAutonomous workload managementFast learningAdaptabilityProactivityClear communicationDetail-orientedCollaborationDriven and accountable