frontend developer English-speaking jobs in Pruszków

Business Development Representative will research, prospect, and generate new business opportunities for the Polish market. Responsibilities include engaging leads, securing meetings with e-commerce accounts, and developing outbound customer acquisition strategies.

Lead SwissBorg's security program in a cryptocurrency and fintech environment. Own security strategy, roadmap, and organizational security posture. Serve as primary point of contact for Swiss (FINMA) and French (AMF) regulatory authorities on security matters. Manage third-party risk assessment for critical vendors and blockchain service providers.

Senior Global Service Associate provides accounting and tax compliance services to clients. Manages client relationships, monitors compliance requirements, and coordinates with internal teams. Requires 5+ years of experience in accounting and tax, strong customer service skills, and proficiency in Microsoft Office Suite.

Happy Team seeks an experienced Chief Revenue Officer to lead commercial growth and build a scalable revenue engine. Responsibilities include acquiring enterprise clients, negotiating contracts, developing pricing models, and optimizing the sales process. Requires a strong background in scaling revenue in technology companies with 15+ years of experience in IT sales/body leasing and proven executive-level experience.

Junior Cash Collections Specialist will manage trade receivables, set credit limits, and provide credit risk assessments. Requires fluency in English and Dutch, strong communication skills, and experience in credit management or finance operations.

Account Manager will build and manage client relationships, understand their needs, and advise on product use cases. Responsibilities include contract renewals, upselling, cross-selling, and issue escalation. Requires excellent communication, negotiation, and organizational skills, plus 1+ year of experience in account management, customer service, or enterprise software sales.

Senior Security Engineers design, implement, and manage detection systems and controls to identify and mitigate suspicious activity. Collaborate with teams to develop security strategies and support product and security teams on projects. Requires 4+ years of security or software engineering experience with cloud or infrastructure security expertise.

Data Governance Manager will define and implement data governance strategy, manage data governance structures, and develop data processes. Requires at least five years of experience in data governance, knowledge of ERP systems (e.g., SAP), and strong analytical and communication skills.

Senior Python Engineer to join a cross-functional team developing applications improving and automating customer business processes. Responsibilities include designing, developing, and maintaining Python applications, ensuring code quality, and collaborating with cross-functional teams. Requires 5+ years of experience, proficiency in FastAPI, Generative AI and LLMs, and experience with Azure Cloud services.

Configuration and Change Management Assistant required to maintain and update the Configuration Management Database (CMDB) and ensure configuration data accuracy. Experience with CMDB tools, SACM processes, and cable management tools is essential. Strong analytical and documentation skills are required. NATO SECRET security clearance is mandatory.

Business Development Manager for the Freud brand will focus on sales and product consulting, building customer relationships, acquiring new customers, and conducting market analysis.

The Operations Account Manager ensures operational support and stable performance for a client portfolio. This role acts as the primary client contact, coordinates internal teams, and oversees contractual and operational commitments.

Manages a portfolio of aviation-focused projects and programs, exceeding £20m in annual revenue. Leads and governs delivery across a geographically dispersed team of 100+ people. Develops and manages commercial constructs to achieve margin and growth targets. Ensures alignment with the Delivery Framework and client satisfaction.

Analyze partner traffic, user behavior, and campaign performance. Build and automate reports in Tableau, SQL, and Google Sheets. Validate, clean, and prepare data for analysis. Translate data into actionable recommendations for stakeholders.

Manage and grow relationships with B2B clients, ensuring ongoing satisfaction and identifying expansion opportunities. Collaborate with delivery and technical teams to meet client expectations.

Senior Penetration Tester will conduct penetration tests, evaluate vulnerabilities, and provide remediation guidance. Requires experience with penetration testing tools and methodologies, programming, and strong analytical skills. Fluency in English is required.

Sell Tagvenue Pro products, LeadHub and Premium Placement, to venue partners. Drive incremental bookings and revenue by identifying missed demand and explaining paid visibility solutions. Own the sales process from initial contact to close.

Provide customer service and sales support via phone, email, and chat. Build customer relationships, prepare tailored offers, and ensure data accuracy. Must have advanced Kazakh (C1+) and intermediate English (B2) skills.

Acts as a trusted advisor to clients, managing relationships, identifying solutions, and maximizing project profitability. Manages and develops a delivery team, ensuring high performance and professional growth. Oversees project execution, ensuring resource efficiency, client satisfaction, and profitability. Requires experience in delivery, business, or account management, strong communication and leadership skills, and fluency in English and Polish.

Develop Java/Spring applications and microservices in an agile team. Collaborate with developers, QA testers, and other stakeholders. Proficient in Java (ver. 1.8+), Spring (ver. 5), Spring Boot (2.4-2.6), Oracle DB/SQL, Apache Kafka, and English.