frontend developer English-speaking jobs in Ełk

Leads a software engineering team focused on Order Sourcing, ensuring delivery of team objectives and alignment with business priorities. Provides coaching, mentoring, and feedback to team members. Collaborates with Product Owners and Chapter Leaders to drive continuous improvement and support team growth. Requires solid software engineering experience, leadership skills, and experience working in Agile environments.

Export Manager to establish and develop client relationships, actively sell fresh and frozen fish products, and analyze market trends. Requires proven managerial experience in the fishing industry, specifically Atlantic salmon, antipasti, or ready-made meals.

Software Developer in Test (JavaScript) will build and maintain CI/CD pipelines and automation tools. Collaborate with development and QA teams to streamline workflows. Troubleshoot complex incidents within CI environments. Strong JavaScript experience and hands-on experience with CI/CD systems required.

Engineering Lead will contribute across the stack, lead a team of engineers, and design Attio's technical architecture. Requires experience with secure, scalable backend systems, cloud architectures (GCP or AWS), and Node.js/Typescript/Go or React.

The IS&T Field Infrastructure, Network Engineering Lead provides technical leadership for field communications services and supporting infrastructure for the Poland AP1000 nuclear project. This role leads Field Infrastructure specialists, ensuring communications systems are deployed, operated, and supported in accordance with project requirements, enterprise standards, and regulatory expectations.

Java Software Engineer will work on migrating legacy applications to a cloud-ready, event-based architecture. Responsibilities include designing, developing, and delivering IT solutions that meet functional and non-functional requirements.

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 Firmware Engineer to design, develop, test, and maintain embedded software systems for IoT devices. Experience with C/C++, firmware design, and embedded development is required. Collaboration with hardware and software teams is essential.

Senior Product Manager to lead the development of innovative AI-powered products and services. Responsibilities include identifying business opportunities, developing product strategies, managing cross-functional teams, and ensuring smooth stakeholder communication. Requires 5+ years of experience leading cross-functional teams and digital products, strong analytical skills, and excellent communication skills in English.

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.

Lekta AI seeks a Sales Manager to define, lead, and scale pipeline generation across domestic and international markets. This hands-on role involves creating demand, initiating relationships, and progressing leads into qualified sales opportunities.

As a Staff Product Analyst, you will conduct in-depth analyses of customer behavior, product usage, and commercial performance to influence product roadmaps, marketing strategies, and commercial tactics. You will build scalable dashboards and reporting systems, collaborate with cross-functional teams, and translate business challenges into analytical problems.

Finance & Accounting Process Lead will resolve AP queries, monitor KPIs, provide coding for invoices, reconcile VMS and GFS, manage accruals, and support reporting and closing processes. Requires 4+ years of experience in financial reporting and analysis, month-end/year-end closing, P2P/R2A, IFRS, and process improvement. Bachelor's degree in finance or accounting is required.

iOS Developer will architect, develop, and maintain native iOS applications. Requires 3+ years of experience with mobile development in iOS, production experience with Swift (RAC/RxSwift), and knowledge of mobile architectures and design patterns.

Mid Account Executive to manage the full B2B sales cycle for e-commerce projects. Requires 2-4 years of experience in sales, preferably in the e-commerce space, with strong communication and negotiation skills. Must have experience preparing commercial offers and sales presentations and be proficient in CRM tools.

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.

The Global Product Owner is responsible for the end-to-end ownership, delivery, and performance of Invoice Management. This role defines the product vision, value case, and strategic roadmap, ensuring the product remains fit-for-purpose across markets and functions.

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.

As a Business Development Representative, you will build Uber Eats' marketplace in Poland by forging partnerships with restaurants. You will identify growth opportunities, negotiate deals, and oversee the onboarding process for new partners.

Adwisen seeks a Key Account Manager / Senior Search Specialist to expand its global customer base. This role involves prospecting, developing relationships, and managing the sales process for international companies.