Senior Full-Stack Engineer (Spanish-Speaking) at N-iX | Poland

This Senior Full-Stack Python Engineer role at nix supports a UK-based financial services and investment banking group. The client is building an AI-powered platform that automates document processing, manages large-scale data, and streamlines workflows by integrating with internal systems. The goal is to modernize digital operations across the bank. Role overview Based in Poland, this position joins a cross-functional engineering team responsible for developing core components of an AI-driven document automation platform. The work combines deep backend engineering in Python with strong front-end or full-stack skills in TypeScript, ideally using frameworks such as React or Next.js. What you will do Design and build scalable APIs and microservices to power document automation features Develop data workflows and operational dashboards Create UI components for both internal tools and user-facing dashboards Collaborate with product, architecture, GenAI, and platform engineering teams Deliver production-ready solutions in cloud environments, especially Google Cloud Requirements Extensive experience in backend development with Python Strong front-end or full-stack skills with TypeScript (React, Next.js, or similar frameworks preferred) Proven ability to design, develop, and deploy systems in cloud environments, with a focus on Google Cloud Hands-on approach and comfort working across the stack This position is based in Poland.

About Our Client Our client is a pioneering force in the realm of digital identity and fraud prevention, providing a state-of-the-art platform utilized by banks, fintech firms, online marketplaces, and various regulated entities globally. Their innovative solutions encompass biometric identity verification, document and image processing, and sophisticated fraud detection mechanisms, enabling customers to achieve seamless digital interactions while maintaining rigorous security and compliance with regulations. Leveraging cutting-edge technologies such as AI, machine learning, and computer vision, they facilitate identity verification, mobile deposits, and liveness detection, catering to thousands of organizations worldwide. About the Role We are in search of a Senior Full Stack Engineer who possesses a robust proficiency in backend services built with Go and modern web front-end frameworks. As a member of a dynamic cross-functional team, you will contribute to the development of cloud-native identity and fraud prevention products hosted on AWS. Your role will encompass designing and implementing APIs in Go, as well as crafting user-centric features using contemporary JavaScript frameworks, ensuring secure, high-performance experiences for both internal and external users. Key Responsibilities Design, develop, and maintain backend services and APIs in Go, leveraging AWS infrastructure with microservice or serverless architectures. Create responsive single-page and web applications utilizing React and Redux, seamlessly integrating them with backend APIs. Implement clean and reusable UI components, prioritizing user experience, performance, and accessibility. Develop and uphold automated testing protocols for both backend and frontend components, contributing to CI/CD automation processes. Collaborate closely with designers, product managers, QA, and fellow engineers to refine requirements and deliver comprehensive features. Engage in technical design and architecture discussions, aiding in the definition of interfaces between services and front-end applications. Contribute to the documentation of APIs, front-end components, and significant technical decisions. Participate in Agile ceremonies and proactively drive enhancements in team processes and engineering practices.

N-iX stands as a leading global software development firm, established in 2002, boasting a vibrant community of over 2,400 technology experts across more than 40 countries. We specialize in delivering cutting-edge technology solutions encompassing cloud computing, data analytics, artificial intelligence, embedded software, IoT, and other domains, serving prominent industry leaders and Fortune 500 companies. Become a part of our mission to innovate technology that instigates real transformation for businesses and individuals around the globe. Our client, a renowned UK-based financial services and investment banking entity, is pioneering an AI-driven document processing and automation platform utilized across various sectors of the broader banking group. This platform harnesses state-of-the-art cloud and AI technologies to revolutionize outdated workflows, elevate data integrity, and expedite digital decision-making. Position Overview: We are in search of a Tech Lead Full Stack Engineer who possesses robust hands-on engineering proficiency and is adept at leading agile software development teams. The ideal candidate will be responsible for defining and steering the technical strategy of the platform, mentoring engineers in the delivery of scalable and secure systems, and actively participating in architectural decisions and solution design. This position demands a mix of profound technical knowledge and leadership skills, especially in environments utilizing Google Cloud, microservices, APIs, Python, and data-heavy processing. The Tech Lead will collaborate closely with product, architecture, data science, and engineering teams to guarantee superior delivery and alignment with business objectives. Join Our Team & Earn Exciting Bonuses!We are thrilled to offer a Welcome Bonus of $3,000 USD for new hires. Additionally, if you refer a friend who is successfully hired, you will receive a Referral Bonus of $2,000 USD! Key Responsibilities: Articulate and communicate the technical vision, architecture, and engineering roadmap for the team and platform. Guide engineers, perform code reviews, offer architectural guidance, and ensure compliance with engineering standards. Steer the technical delivery lifecycle from design through development to deployment and maintenance. Create scalable, high-performance microservices, UIs, and APIs utilizing modern frameworks and cloud-native design principles. Oversee the integration of AI components (e.g., Google Cloud, Vertex AI, Gemini models, and LLM evaluation frameworks). Encourage test-driven development and promote best practices within the team.

Jobgether is looking for a Senior Full-Stack Engineer with strong experience in Python and React. This position is based in Poland and centers on building solutions that support the company’s mission. Role overview This role involves working closely with other engineers and teams to deliver reliable, high-quality software. The focus is on both backend and frontend development, using Python and React as the primary technologies. Collaboration Expect to work with cross-functional groups, contributing to projects that address user needs. The team values open communication and shared problem-solving to achieve project goals. Requirements Professional experience with Python and React Ability to collaborate with diverse teams Comfortable working on both client-side and server-side code

airSlate is hiring a Full Stack Engineer in Poland. This role centers on building and enhancing software products that span both front-end and back-end systems. Collaboration is key, as projects often involve working with design, product, and engineering teams to deliver features that address real user needs. What you will do Develop and maintain software solutions across the full technology stack Work closely with colleagues from design, product, and engineering disciplines Help deliver products that users rely on daily Requirements Experience in both front-end and back-end development Ability to work well in a collaborative team environment Interest in creating software that addresses real-world problems This position requires residency in Poland.

N-iX is a global software development partner serving clients across industries. Since its founding in 2002 in Lviv, the company has expanded to eight countries, including Poland, Ukraine, Sweden, Bulgaria, Malta, the UK, the US, and Colombia. The team includes more than 2,000 professionals who contribute to projects for international organizations and Fortune 500 companies. Role overview This position is for a Mid-Level .NET Full Stack Engineer with a focus on Blazor. The role is based in Poland and supports a long-term project. The work involves technical challenges and the chance to develop new skills. Team members value collaboration and encourage new ideas. Project context The client is a government technology agency. Their mission involves developing and implementing ICT policies, programs, and initiatives. The agency translates emerging technologies into practical solutions for the public sector, aiming to improve business processes and services.

Bolt is looking for a Senior Full Stack Engineer in Warsaw to help shape and expand an internal task management platform. This role centers on building systems that support real-time decision-making and optimize workflows for agents. What you will do Develop and enhance features for the internal platform, focusing on dynamic task distribution and intelligent workforce management. Create efficient user interfaces that enable agents to work effectively and access actionable insights. Lead frontend architecture decisions and guide the technical direction of the team. Work across the full technology stack, collaborating with engineers and stakeholders. Role overview This position involves tackling product and engineering challenges, from designing scalable interfaces to implementing systems that streamline internal operations. The Senior Full Stack Engineer will play a key part in both technical leadership and hands-on development.

Join our team at Intellectsoft as a Senior Full Stack Developer! In this role, you will work with an innovative AI-powered platform designed to enhance business decision-making and efficiency. Our platform leverages cutting-edge analytics and machine learning to process extensive datasets, offering actionable insights and forecasts that are invaluable across diverse sectors such as healthcare. By seamlessly integrating with existing infrastructures, we empower teams to make swift, data-driven choices, fostering groundbreaking solutions.

Capstone Integrated Solutions is a leading provider of comprehensive software services. Our team comprises skilled professionals with extensive experience in designing, developing, and supporting retail software solutions. We pride ourselves on our build-as-a-service approach, applying a repeatable business model that adapts to various platforms and sectors. Our outcome-driven culture is central to our mission, allowing us to deliver a full suite of services, including software development, system analysis, integration, implementation, and ongoing support. Clients can engage a single team to fulfill all their software needs.Who You Are and What You'll Do:We are on the lookout for a talented Full-Stack Developer proficient in Angular for frontend and Python for backend development. You will play a crucial role in the design and development of a cloud-native application hosted on AWS. The ideal candidate is a proactive developer who excels at creating high-quality, scalable, and secure solutions, while collaborating effectively with senior technical leads, QA engineers, and solution architects.

Join aura798 as a Senior Full Stack Engineer and be part of a dynamic team that is shaping the future of technology. In this role, you will be responsible for developing innovative software solutions, improving existing applications, and collaborating with cross-functional teams to deliver high-quality products.The ideal candidate will have a strong background in both front-end and back-end development, a passion for coding, and a commitment to continuous learning. You will work closely with product managers and stakeholders to understand requirements and translate them into technical specifications.

Role overview First Connect Insurance is seeking a Full Stack Engineer to join its remote team in Poland. This position centers on building and refining applications that power the company’s insurance platforms. Work from home and collaborate with colleagues on projects that influence the insurance sector. What you will do Develop and maintain front-end and back-end features for web applications Work with team members to improve platform functionality Contribute to projects aimed at enhancing the user experience across products Requirements Experience in both front-end and back-end development Ability to produce high-quality code and collaborate effectively in a remote environment Located in Poland

N-iX is a prominent global software development company with Ukrainian roots, dedicated to assisting businesses around the world in creating successful software products. With over two decades of experience, N-iX has established partnerships with technology firms, enterprises, and startups, delivering high-quality software solutions and fostering robust engineering teams across Europe.We are seeking a Senior Automation QA Engineer to join our team, contributing to the development of a large-scale enterprise facility management platform for a leading US-based product company. In this pivotal role, you will be responsible for designing, implementing, and maintaining automated tests, enhancing test coverage, and supporting performance testing initiatives.

Join Dropbox as a Senior Full Stack Product Software Engineer and be a pivotal part of our dynamic team. In this role, you will leverage your expertise in both front-end and back-end technologies to design and implement innovative solutions that enhance our product offerings. You will collaborate with cross-functional teams to deliver high-quality software that meets the needs of our users.

Join Complexio, where we are revolutionizing enterprise AI by developing an intelligence layer that automatically connects and enhances understanding of an organization’s personnel, processes, and systems. Our innovative platform processes both structured and unstructured data to create a dynamic Event Knowledge Graph, orchestrating a variety of AI models to discover hidden workflow enhancements and facilitate autonomous actions.As a Senior Full Stack Engineer, you will be at the forefront of shaping the user experience for thousands of enterprise users. Collaborating with a talented team of software engineers, data scientists, product specialists, and business analysts, you will help design next-generation web applications that bring our state-of-the-art automation capabilities to life. Your contributions will be vital in transforming complex data insights into user-friendly, efficient, and scalable interfaces, connecting advanced AI infrastructure with tangible business results.If you have a passion for integrating sophisticated front-end engineering, full-stack product development, and cutting-edge enterprise AI solutions, and thrive in a fast-paced, highly technical environment, we invite you to apply!

Mission Statement: Kontakt.io is revolutionizing the landscape of care operations.Our mission is to minimize waste, reduce costs, and boost revenue by enhancing throughput, asset utilization, and staff productivity. Leveraging cutting-edge AI, Real-Time Location Systems (RTLS), and Electronic Health Records (EHR) data, our platform empowers self-learning agents to automate workflows, respond dynamically, and orchestrate comprehensive care delivery operations.Designed for effortless deployment and scalability, our solution provides a transparent view of spaces, equipment, and personnel, effectively removing inefficiencies and elevating the patient experience. With a remarkable 10X return on investment and over 20 successful use cases, Kontakt.io stands as the preferred platform for efficient and swift care delivery operations.To excel in this role, you must possess a strong passion for developing high-performance, dependable applications. You should have an intrinsic drive to innovate and explore the best tools for tackling scalability challenges.Our Technology Stack:- Backend: Kotlin, Java 15+, Spring Boot, Spring Data, Kafka, MongoDB, PostgreSQL, Docker, Kubernetes, Python, AWS- Frontend: Angular 12, TypeScript, Leaflet.js, PrimeNG, Vue.js, ES6, Nginx deployment, Figma designsWe seek an individual capable of working autonomously, approaching problems from a product-oriented perspective, proposing effective solutions, and executing them proficiently.

Full Stack Data EngineerAbout TechTorchTechTorch is an innovative and rapidly growing enterprise technology consultancy that collaborates with some of the world's most prestigious private equity-backed companies. We offer cutting-edge AI-powered solutions, accelerators, and data transformation initiatives designed to deliver significant value swiftly and effectively.Our mission is to revolutionize enterprise technology consulting for private equity. We seamlessly blend the agility of a start-up with the precision and discipline needed by the most discerning investors and operators.Founded by industry veterans, including former Bain consultants, CIOs, and technology leaders, TechTorch possesses extensive expertise in technology, transformation, and value creation. Our focus is on delivering impactful results that matter.About the TeamAt TechTorch, our teams are leading the charge in delivering enterprise technology and data transformation projects that enhance growth and operational performance for private equity-backed organizations.We integrate profound knowledge in data engineering, analytics, and AI with a business-centric approach, crafting and delivering scalable, production-grade solutions that resonate with client goals and timelines.Our global teams collaborate across AI, data, enterprise systems, and digital transformation disciplines to achieve measurable outcomes.About the RoleWe are seeking a Full Stack Data Engineer who possesses a strong foundation in data engineering combined with expertise in business intelligence and analytics.In this role, you will be responsible for designing and constructing scalable data pipelines and architecture in Snowflake, while also managing the downstream analytics layer — creating dashboards, data models, and reporting solutions that empower executive decision-making.You will oversee the entire data stack, from ingestion and transformation to modeling and visualization, ensuring that the data is reliable, efficient, and ready for business use.

Role Overview Nix is hiring a Senior Scrum Master / Project Coordinator based in Poland. This role guides Agile practices and supports project delivery across cross-functional teams. The position focuses on keeping projects on track, encouraging collaboration, and supporting ongoing improvements. What You Will Do Facilitate Agile processes and ceremonies for project teams Coordinate project timelines and track progress Lead meetings, including daily stand-ups and retrospectives Support teams in removing obstacles and improving workflows Promote a collaborative team culture and continuous improvement Location This position is based in Poland.

Join Oversee and revolutionize the way corporate travel is managed!Our innovative technology and machine learning solutions are designed to replace outdated manual processes that hinder efficiency, ultimately leading to significant cost savings and smarter decision-making for enterprises.We provide comprehensive travel analytics and actionable insights, empowering global companies with a clear understanding of their spending while equipping them with the tools to continually enhance their travel programs.If you thrive in a dynamic, fast-paced, and positive environment and are eager to tackle a $17B global challenge, Oversee is the ideal place for you to grow, innovate, and make a substantial impact.With rapid growth and partnerships with some of the largest Fortune 500 companies, we are positioned for extraordinary success.Why Oversee?As a Senior Full-Stack Software Engineer, you will play a pivotal role in our mission, focusing on designing scalable systems, tackling complex technical challenges, and significantly influencing how companies manage billions in travel expenditures.Help us shape the future of business travel!Your Responsibilities:Design, develop, and maintain high-performance backend services, data pipelines, and distributed infrastructure.Create front-end features using TypeScript/React to bring complex concepts to life.Implement sophisticated business logic and intelligent filtering algorithms to enhance our platform.Optimize fare tracking solutions that enable clients to save millions each year.Contribute to architectural decisions for distributed, high-scale applications.Integrate third-party APIs (REST/SOAP) ensuring seamless interoperability.Work collaboratively with product and business teams to deliver impactful features.Your Profile:A minimum of 5 years of software engineering experience with a proven history of building production systems.Strong expertise in designing scalable, distributed applications.Hands-on experience with Python/Django and Java/Kotlin (JVM stack).Familiarity with TypeScript/React.Solid understanding of Linux runtime environments.Adept at identifying and resolving performance bottlenecks.Excellent collaboration skills, able to both give and receive constructive feedback.Fluency in English with strong written and verbal communication skills.Proactive, curious, and eager to learn continuously.Bonus Qualifications:Experience in the travel industry, particularly with GDS APIs like Sabre, Amadeus, or Travelport.Hands-on experience with Kubernetes, AWS, Terraform, and CI/CD practices.Contributions to open-source projects or notable side projects.Familiarity with agile methodologies and collaborative practices.

We are seeking a highly skilled and motivated Senior Full Stack Developer proficient in Python 3 and C++. In this role, you will work closely with our engineering and development teams to design, implement, and maintain robust software solutions that meet our clients' needs.Your expertise will help in driving innovation and developing new features while ensuring the performance, quality, and responsiveness of applications.