Staff Software Engineer

🏢 Summary: Mobile Software Engineer role focused on building AI Shopping Assistant features and improvements for a high-traffic e-commerce mobile app. The position covers native iOS or Android development, performance, testing, architecture, and collaboration with product and engineering teams in a hybrid Warsaw-based setup. 🗂️ Requirements: Professional native iOS/Swift or Android/Kotlin development experience, Mobile architecture patterns, RESTful APIs, Asynchronous programming, Unit and integration testing, Software engineering principles, Data structures, Algorithms, CI/CD pipelines, AI-assisted development tools, English communication, Polish communication 📃 Skills: iOS, Swift, Android, Kotlin, MVVM, MVI, REST, CI/CD, GitHub, Kubernetes, Docker, Consul 🏢 Description: About the job As a Mobile Software Engineer, you will be a key contributor to the development of new AI Shopping Assistant related features and improvements for our mobile applications. You will work closely with product owners, designers, and other engineers to translate user needs into robust, high-performance mobile experiences. This role is ideal for someone with solid experience in mobile development, a strong understanding of software engineering principles, and a desire to grow their expertise in a fast-paced e-commerce environment. Important things for you: Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): PLN 14 600 - 20 825 Annual bonus based on your annual performance and company results. Our team is based in Warsaw. What You'll Do: Design, develop, test, and deploy features for the Allegro mobile app, ensuring high quality, performance, and responsiveness. Collaborate with product, design, and other engineering teams to define and implement innovative solutions. Participate in code reviews, contribute to technical discussions, and help maintain high code quality standards. Be part of Allegro’s mobile community composed of more than 100 mobile developers. In our community, we actively share knowledge as part of our daily code review work and at dedicated company events. We have time dedicated to knowledge sharing as well as opportunities for personal skills development Identify and resolve performance and scalability issues. Stay up-to-date with the latest mobile technologies and industry trends. We are looking for someone who has: Professional experience in native mobile application development (iOS/Swift OR Android/Kotlin). Understanding of mobile application architecture patterns (e.g., MVVM, MVI,Modular Architecture for iOS; Clean Architecture for Android). Familiarity with RESTful APIs, asynchronous programming, and efficient data handling. Proficiency in writing unit and integration tests (experience with E2E testing to ensure reliability is a plus). Understanding of software engineering principles, data structures, and algorithms. Experience with continuous integration and continuous delivery (CI/CD) pipelines. Experience using AI-assisted tools (e.g., code generation, debugging, or prototyping) in your development process. Good communication skills in English and Polish, both written and spoken. A proactive approach to problem-solving, ability to think outside the box, and a passion for creating excellent user experiences. Willingness to share knowledge during code reviews and collaborate closely with backend technologies and product teams. Bonus points if you have: Dual-platform expertise: Professional experience in both native iOS and Android development. Experience with large-scale, high-traffic mobile applications. Knowledge of reactive programming (e.g., RxJava/RxKotlin, Combine). Familiarity with modern native frameworks and tools (e.g., Jetpack Compose and Coroutines for Android). Seamless integration of AI agents into your daily coding routine for maximum productivity and efficiency. Experience with A/B testing frameworks. Contributions to open-source projects or a strong GitHub profile. Experience working in an Agile/Scrum environment. What's in it for you: Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms). A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories. A wide selection of fringe benefits in a cafeteria plan - you choose what you like (e.g., medical, sports or lunch packages, insurance, purchase vouchers). English classes that we pay for related to the specific nature of your job. A training budget, inter-team tourism ( see more here ), hackathons, and an internal learning platform where you will find multiple trainings. An additional day off for volunteering, which you can use alone, with a team, or with a larger group of people connected by a common goal. Social events for Allegro people - Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy. And that's just the beginning! You can read more about the benefits here . #goodtobehere means that: You will join a team you can count on - we work with top-class specialists who have knowledge- and experience-sharing in their DNA. You will love our level of autonomy in team organization, the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create. You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, Consul, GitHub, and GitHub Actions. Thanks to this, you can contribute to Allegro from your very first days on the job. You will be equipped with modern AI tools to automate repetitive tasks, allowing you to focus on developing new services and refining existing ones (also leveraging AI support). You will create solutions that will be used (and loved!) by your friends, family and millions of our customers. You will meet the Allegro Scale , which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning. You will become part of Allegro Tech - We speak at industry conferences, cooperate with tech communities, run our own blog (it's been over 10 years!), record podcasts, lead guilds, and we organize our own internal conference - the Allegro Tech Meeting. We create solutions we love (and can) to talk about! Send us your CV and… see you at Allegro!

🏢 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: Mobile Software Engineer role focused on building high-performance native Android experiences that improve user loyalty and mobile app features. The offer includes hybrid work, a PLN 14,600–20,825 salary range, an annual bonus, and development-oriented benefits. 🗂️ Requirements: 3+ years of native Android application development experience, Kotlin, Mobile architecture patterns (MVVM, MVI, Clean Architecture), RESTful APIs, Asynchronous programming and efficient data handling, Unit and integration testing, Git or equivalent version control, Software engineering principles, data structures, and algorithms, CI/CD pipelines, English and Polish communication skills 📃 Skills: Android, Kotlin, MVVM, MVI, REST, Git, CI/CD 🏢 Description: About the job: As a Mobile Software Engineer, you will be a key contributor to initiatives focused on enhancing user loyalty, including Smart! and related improvements for our mobile applications. You will work closely with product owners, designers, and other engineers to translate user needs into robust, high-performance mobile experiences. This role is ideal for someone with solid experience in mobile development, a strong understanding of software engineering principles, and a desire to grow their expertise in a fast-paced e-commerce environment. Important things for you: Flexible working hours in the hybrid model (4/1) - working hours start between 7:00 a.m. and 10:00 a.m. We also have 30 days of occasional remote work. The salary range for this position depending on the skill set is as follows (contract of employment, tax-deductible cost): PLN 14 600 - 20 825 Annual bonus based on your annual performance and company results. Our team is based in Poznań. We are looking for someone who has: 3+ years of professional experience in native Android (Kotlin) mobile application development. Understanding of mobile application architecture patterns (e.g., MVVM, MVI, Clean Architecture). Familiar with RESTful APIs, asynchronous programming, and efficient data handling. Proficiency in writing unit and integration tests. Familiarity with version control systems (e.g., Git). Understanding of software engineering principles, data structures, and algorithms. Experience with continuous integration and continuous delivery (CI/CD) pipelines. Good communication skills in English and Polish, both written and spoken. A proactive approach to problem-solving and a passion for creating excellent user experiences. Bonus points if you have: Experience with large-scale, high-traffic mobile applications. Familiarity with Jetpack Compose and Coroutines. Experience with A/B testing frameworks. Contributions to open-source projects or a strong GitHub profile. Experience working in an Agile/Scrum environment. What's in it for you: Well-located offices (with e.g. fully equipped kitchens, bicycle parking, terraces full of greenery) and excellent work tools (e.g., raised desks, ergonomic chairs, interactive conference rooms). A 16" or 14" MacBook Pro or corresponding Dell with Windows (if you don't like Macs) and all the necessary accessories. A wide selection of fringe benefits in a cafeteria plan - you choose what you like (e.g., medical, sports or lunch packages, insurance, purchase vouchers). English classes that we pay for related to the specific nature of your job. A training budget, inter-team tourism ( see more here ), hackathons, and an internal learning platform where you will find multiple trainings. An additional day off for volunteering, which you can use alone, with a team, or with a larger group of people connected by a common goal. Social events for Allegro people - Spin Kilometers, Family Day, Fat Thursday, Advent of Code, and many other occasions we enjoy. And that's just the beginning! You can read more about the benefits here . #goodtobehere means that: You will join a team you can count on - we work with top-class specialists who have knowledge- and experience-sharing in their DNA. You will love our level of autonomy in team organization, the space for continuous development, and the opportunity to try new things. You get to choose which technology solves the problem and you are responsible for what you create. You will value our Developer Experience and the full platform of tools and technologies that make creating software easier. We rely on an internal ecosystem based on self-service and widely used tools such as Kubernetes, Docker, Consul, GitHub, and GitHub Actions. Thanks to this, you can contribute to Allegro from your very first days on the job. You will be equipped with modern AI tools to automate repetitive tasks, allowing you to focus on developing new services and refining existing ones (also leveraging AI support). You will create solutions that will be used (and loved!) by your friends, family and millions of our customers. You will meet the Allegro Scale , which starts with over 1000 microservices, an open-source data bus (Hermes) with 300K+ rps, a Service Mesh with 1M+ rps, tens of petabytes of data, and production-used machine learning. You will become part of Allegro Tech - We speak at industry conferences, cooperate with tech communities, run our own blog (it's been over 10 years!), record podcasts, lead guilds, and we organize our own internal conference - the Allegro Tech Meeting. We create solutions we love (and can) to talk about! Send us your CV and… see you at Allegro!

🏢 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).