Senior Software Engineer (TypeScript / React / AWS) - AI startup

🏢 Summary: B2B full-stack engineering role for a remote AI-powered SaaS platform serving video and digital-content professionals. The position owns end-to-end delivery of new React.js and Node.js features, from concept through deployment, while contributing to engineering practices and mentoring teammates. 🗂️ Requirements: 5+ years of Full Stack Engineering experience, React.js proficiency, Node.js proficiency, Independent end-to-end solution delivery, Modern web technologies and full-stack architecture knowledge, Full SDLC experience, including deployment and maintenance, CI/CD and version-control experience, Mentoring experience, Cross-functional communication skills, English at B2 level or higher 📃 Skills: React.js, Node.js, ReactQuery, Tailwind, Fal, AWS, MongoDB, CI/CD 🏢 Description: Employer: US video production company Location: Remotely from Poland Salary:  24 050 - 38 850 PLN on B2B Cooperation model: B2B Start date: ASAP Recruitment process: 3 online steps (Async Loom Screen, Behavior with SVP, Live Case Study) Technology stack: React.js/Query, Tailwind, Node.js, Fal (most image models), AWS, MongoDB Join an innovative product company building an AI-powered platform that supports professionals in the video and digital content industry. The solution focuses on simplifying and accelerating the journey from idea to production, helping teams collaborate, plan, and execute creative projects more effectively. The product leverages advanced AI models (image, text, and video) and combines them into intelligent workflows designed for real-world collaboration. Instead of focusing only on content generation, the platform addresses key challenges in planning, coordination, and execution. We are looking for someone who enjoys ownership, moves fast, and wants to have a real impact on both product and engineering practices. Your role is: Design, develop, and deploy full-stack features for an AI-driven SaaS platform; Work closely with product stakeholders to define solutions and deliver measurable business impact; Take ownership of the full development lifecycle — from idea to production; Build and iterate on new product features (0→1 development); Ensure high quality by owning testing, validation, and release of your solutions; Contribute to improving development processes, increasing delivery speed, and reducing friction; Mentor other engineers and share best practices across the team; Collaborate in a fast-moving environment focused on experimentation and continuous improvement. Your skills and experiences: 5+ years of experience as a Full Stack Engineer; Proficiency with React.js and Node.js; Proven track record of delivering end-to-end solutions independently; Experience working in product-oriented environments with a strong focus on delivery and impact; Solid understanding of modern web technologies and full-stack architecture; Ability to work across the entire SDLC — from development to deployment and maintenance; Experience with CI/CD, version control systems, and modern development workflows; Strong ownership mindset and ability to take responsibility for delivered solutions; Experience mentoring others and contributing to team growth; Strong communication skills and ability to work in cross-functional teams; English proficiency at B2 level or higher. Nice to have: Experience working with AI/ML-based products or integrating external model APIs; Familiarity with building or scaling early-stage (0→1) products; Background in industries related to media, video, or digital content; Experience with prompt engineering or chaining AI models; Knowledge of DevOps or Product Operations practices; Proven ability to improve team delivery speed and efficiency; Interest in product thinking and experimentation; Basic design sense or experience working closely with UI/UX. Our client offers: Great opportunity for personal development in a stable and friendly large multinational company; Career growth and additional education.

🏢 Summary: Fully remote Senior Engineering Manager role leading a distributed team of 6–10 engineers building scalable AI products for finance teams. The role combines people leadership, technical oversight, delivery ownership, and engineering-organization scaling. 🗂️ Requirements: Experience managing distributed engineering teams, Software engineering background, Python, TypeScript, Production-scale software delivery, Cloud-native architecture, APIs, Databases, CI/CD, Automated testing, Observability, Stakeholder management, AI tools 📃 Skills: Python, TypeScript, Cloud, APIs, Databases, CI/CD, Testing, Observability, AI, Agile 🏢 Description: Position: Senior Engineering Manager (Team Lead) Type of contract: B2B or UoP Working mode: Fully remote Salary: 33 - 39k PLN/month Role overview: Our client is a fast-scaling B2B AI start-up building reliable, scalable products for finance teams. They are transforming how finance teams work by shaping how AI Agents improve operations at scale. The company is backed by a strong vision to use AI not just for insights, but for meaningful work inside critical business processes with governance and measurable outcomes. Joining them means helping shape the technical foundation, product quality, and engineering culture behind AI Agents that finance teams can trust. Your Mission: You will lead a high-performing engineering team, strengthen delivery practices, and help scale the product and engineering organization. While you may not write every line of code anymore, you still enjoy getting into the details when it matters—reviewing technical decisions, asking architectural questions, and debugging complex issues. You will foster a culture of trust, clarity, and high-autonomy, empowering your team to thrive based on the standards, support, and ownership you put in place. Requirements: Experience: Proven experience managing a distributed team of engineers, setting clear goals, and developing technical talent. Strong background as a software engineer before moving into management. Tech Stack Familiarity: Strong experience across modern software engineering, with familiarity with Python and TypeScript, giving you credibility to lead technical conversations. Delivery Mindset: Experience delivering production-grade software at scale. Strong understanding of cloud-native architecture, APIs, databases, CI/CD, automated testing, and observability. Communication & Stakeholder Management: Excellent communicator working effectively with technical and non-technical stakeholders (Product, Commercial, Customer Success, and leadership). Mindset: Positive attitude with a ‘doer’ approach. You take ownership, move quickly, and solve problems pragmatically in a fast-paced environment. Commercially minded, ensuring engineering decisions support business growth. AI-First Thinker: Embraces innovation and is excited about using AI tools to improve engineering productivity and customer outcomes. Bonus: Experience in finance, accounts receivable, payments, credit, ERP systems, or workflow automation is a strong plus. Responsibilities: Team Leadership: Lead, coach, and develop a distributed team of 6 to 10 engineers, creating a culture of ownership, accountability, collaboration, and continuous improvement. Technical Delivery: Partner closely with Product and Implementation teams to translate customer needs into clear technical plans. Drive agile delivery practices for fast, high-quality product improvements. Point of Contact: Act as the primary point of contact for CS, Sales, and implementation requests, owning triage, estimation, and configuration scoping. Quality Assurance: Own QA and release processes end-to-end to ensure reliable shipping and defect prevention. Organizational Scaling: Work closely with the CTO and leadership to scale the engineering organization, team structure, and operating rhythm. People Management: Support hiring, onboarding, performance management, and career development as the team expands. Benefits: Fully remote role in a globally distributed organization. 23 days of holiday, including flexible bank holidays. Company-wide offsites on a quarterly or semi-annual basis, including visits to international offices in the UK and US. Access to multiple frontier AI tools for daily work and experimentation. Potential share options.

🏢 Summary: Remote Staff Software Engineer role building high-scale cybersecurity platform features and public APIs using Ruby on Rails, Angular, and AWS. The offer emphasizes end-to-end ownership, low-latency API performance, engineering quality, and direct product impact, with compensation of approximately $150,000–$205,000 annually on a B2B contract. 🗂️ Requirements: 6+ years of commercial software development experience, Strong Ruby on Rails experience or deep Node.js expertise with ability to transition to Ruby, Experience delivering scalable, public-facing APIs, C1+ written and spoken English, Working-time overlap between UTC-5 and UTC+1, Experience in SaaS, fintech, or high-growth product environments 📃 Skills: Ruby, Rails, Node.js, Angular, AWS, APIs 🏢 Description: About Our Client On behalf of our Client - a highly profitable, US-headquartered scale-up in the Cybersecurity and Threat Prevention space—we are seeking an experienced Staff Software Engineer . Our Client builds real-time platform security solutions that protect global digital platforms from fraud, account abuse, and automated attacks. Operating at massive scale, their architecture processes high-throughput API traffic under stringent low-latency requirements. They combine deep backend scalability engineering with a heavy emphasis on intuitive product UI/UX and developer-first design. Location & Work Setup 100% Remote (requiring working overlap between UTC-5 and UTC+1 time zones). Hybrid Option: Access to a modern tech hub in Krakow, Poland if you prefer working from an office. Key Responsibilities Product Development: Architect and deliver end-to-end features using a tech stack centered on Ruby on Rails, Angular, and AWS . High-Throughput APIs: Design and optimize public-facing APIs with a focus on developer ergonomics, efficiency, and reliability. Engineering Standards: Drive continuous quality through thorough code reviews, architectural discussions, and technical mentoring. Product Impact: Work in an autonomous, streamlined engineering team where your technical decisions directly shape the platform's trajectory. Candidate Profile 6+ years of commercial software development experience, ideally within SaaS, fintech, or high-growth product companies. Backend Proficiency: Strong experience with Ruby on Rails (or deep expertise in Node.js with a fast learning agility to transition into a Ruby environment). API Ecosystems: Proven track record of shipping scale-ready, public-facing APIs optimized for developer consumption. Communication: C1+ fluent written and spoken English for daily collaboration in a distributed team. Work Culture High Autonomy: Strong emphasis on complete project ownership from concept to production release. Pragmatic & Modern: Openness to experiment, iterate, and leverage automation and modern AI tools to eliminate toil. What Is Offered Compensation: ~$150,000 – $205,000 USD / year (B2B Contract). Time Off: Unlimited PTO policy + flexible working hours focused on delivered outcomes. Benefits: Paid parental leave policy. Equipment: Full high-spec hardware setup (laptop + workstation gear).

🏢 Summary: Oferta dla Senior Engineera do rozwoju i modernizacji platformy enterprise w kierunku cloud-native. Rola łączy projektowanie architektury, rozwój fullstack w Java i React oraz wdrażanie praktyk i integracji AI, w tym MCP. 🗂️ Requirements: Wieloletnie doświadczenie w inżynierii oprogramowania i rozwiązaniach enterprise, Bardzo dobra znajomość Java, Java EE i Jakarta EE, Praktyczne doświadczenie z React i TypeScript, Doświadczenie w projektowaniu architektury oprogramowania, Znajomość systemów rozproszonych i architektury usługowej, Doświadczenie z Azure, Znajomość CI/CD oraz Azure DevOps lub podobnych narzędzi, Doświadczenie z Docker, Doświadczenie w pracy z dużymi i złożonymi codebase’ami, Praktyczne wykorzystanie narzędzi wspieranych przez AI 📃 Skills: Java, JakartaEE, React, TypeScript, Azure, Docker, CI/CD, AzureDevOps, GitHubCopilot, MicrosoftCopilot, MCP 🏢 Description: 💰 Stawka: 105 PLN/h netto + VAT (B2B) 🌍 Tryb: 100% zdalnie 📅 Start: ASAP Poszukujemy Senior Engineera , który łączy doświadczenie w tworzeniu rozwiązań enterprise z kompetencjami architektonicznymi, Fullstack oraz zainteresowaniem AI. Rola obejmuje wpływ na architekturę produktu, standardy technologiczne i modernizację platformy. Technologie: Java / Jakarta EE, React, TypeScript, Azure, Docker, Kubernetes, CI/CD, Azure DevOps, GitHub Copilot, Microsoft Copilot, MCP Wymagania: wieloletnie doświadczenie w Software Engineering / rozwiązaniach enterprise , bardzo dobra znajomość Java / Java EE / Jakarta EE , praktyczne doświadczenie z React i TypeScript , doświadczenie w projektowaniu architektury oprogramowania, znajomość systemów rozproszonych i architektury usługowej , doświadczenie z Azure , znajomość CI/CD i Azure DevOps lub podobnych narzędzi, doświadczenie z Dockerem , doświadczenie w pracy z dużymi i złożonymi codebase'ami, praktyczne wykorzystanie narzędzi wspieranych przez AI . Nice to have: Kubernetes, modernizacja monolitycznych aplikacji enterprise, doświadczenie w sektorze finansowym / ERP , znajomość systemów legacy i C, doświadczenie w mentoringu Seniorów i Tech Leadów, doświadczenie w pracy w międzynarodowych, rozproszonych zespołach. Obowiązki: definiowanie i rozwój architektury aplikacji enterprise, podejmowanie decyzji technologicznych na poziomie wielu zespołów, modernizacja platformy w kierunku architektury cloud-native, projektowanie standardów i architektury front-endowej w React + TypeScript , rozwój praktyk związanych z wykorzystaniem AI w software development , udział w integracji rozwiązań AI i Model Context Protocol (MCP) , identyfikacja i redukcja długu technologicznego, mentoring inżynierów i Tech Leadów. Oferujemy: Stawkę do 105 PLN/h netto (B2B), Przelew w dogodnej formie Krótki 14-dniowy termin płatności faktury Bogaty pakiet usług prywatnej opieki medycznej Dostęp do platformy kafeteryjnej MyBenefit (umożliwiającej zamawianie kart Multisport, kart przedpłaconych do Ikea, Zalando, Notino i wielu innych)

🏢 Summary: B2B contract for a Senior Software Engineer to develop and operate a JVM-based, event-driven platform remotely from Poland. The role provides end-to-end ownership of system design, delivery, production reliability, monitoring, and support, with a rate up to 140 zł/h net + VAT. 🗂️ Requirements: 5+ years of software engineering experience, End-to-end ownership of features and components, Java and Kotlin expertise, Event-driven systems experience, Distributed systems knowledge, Event-driven architecture and API gateway experience, PostgreSQL, data modelling, and query performance knowledge, Relational and non-relational database knowledge, Unit, integration, and end-to-end testing experience, Independent delivery, risk, sequencing, and dependency management, C4 model system design experience, DORA metrics, stability, SSDLC, velocity, and predictability familiarity, AI coding tools experience, Cloud platform familiarity, Docker and Kubernetes experience, Fluent Polish, Advanced English (B2/C1) 📃 Skills: Java, Kotlin, JVM, PostgreSQL, NoSQL, Docker, Kubernetes, C4, DORA, SSDLC, Claude, Codex, Cursor, Cloud 🏢 Description: Contract : B2B Rate : up to 140 zł/h net + VAT depending on skills and experience Location : Remote within Poland Start : ASAP Project : Development of a JVM-based, event-driven platform with end-to-end ownership of software design, delivery, and production reliability. Key Technologies/Areas Java, Kotlin, JVM Event-Driven and Distributed Systems PostgreSQL and NoSQL Docker, Kubernetes Cloud Platforms AI Coding Tools Project Overview We are looking for a Senior Software Engineer to join one of our client’s engineering teams. You will own features and components from refinement and system design through development, production deployment, monitoring, and post-release support. Responsibilities Own the end-to-end design and delivery of features and components. Create, maintain, and align system designs using the C4 model with the domain target architecture. Develop reliable, production-ready, and well-tested software using Java and Kotlin. Manage estimation, sequencing, delivery risks, and cross-team technical dependencies. Own monitoring, reliability, production support, and participation in on-call. Contribute to frontend development where required. Use AI coding tools as part of your daily workflow. Requirements 5+ years of professional software engineering experience , including proven ownership of features and components end to end. Solid foundation in the JVM , including Java and Kotlin . Production experience with event-driven systems. Good understanding of distributed systems, including idempotency, at-least-once vs exactly-once trade-offs, schema evolution, and partitioning. Experience with event-driven architecture, API gateways, and understanding when not to apply these patterns. Sound knowledge of relational and non-relational databases, including PostgreSQL , data modelling, and query performance. Proven experience delivering reliable software with unit, integration, and end-to-end testing. Ability to independently manage delivery, risks, sequencing, and cross-team dependencies. Experience owning system design at team scope using the C4 model. Familiarity with DORA metrics, stability, SSDLC compliance, velocity, and predictability. Experience using AI coding tools such as Claude Code, OpenAI Codex, opencode, Cursor, or similar. Familiarity with cloud service providers. Experience with Docker and Kubernetes . Fluency in Polish and advanced English (B2/C1) Nice to have Frontend experience with React, TypeScript, and Node.js. Hands-on production experience with Kafka. Experience with Microsoft Azure. Why join us? Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients. Join us and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology! Possibility of long-term cooperation on a full-time project engagement basis. Flexibility in organizing the provision of services, taking into account project requirements and agreed availability. Opportunity to contribute to technically advanced projects. Opportunity for international collaboration.