Senior Flutter Engineer

Start: Immediately | Level: Mid-Senior | Location: Germany, Remote | Arbeitszeit: Full Time (40h/Week)Join our innovative ESN App Team as a Senior Flutter Engineer and play a pivotal role in developing one of our most crucial digital products from the ground up. We are focused on creating a cutting-edge mobile experience that is seamlessly integrated with ou…

Join enpal as a Senior Flutter Engineer, where you will play a pivotal role in developing innovative mobile applications that enhance user experience. Collaborate with cross-functional teams to design, build, and maintain high-performance applications, ensuring seamless integration with backend services.

Join our newly established ESN App Team as a Senior Flutter Engineer (gn) and contribute to the development of one of our most strategically important digital products from the ground up.We are building a powerful mobile experience that is closely integrated with our Shopify-based commerce ecosystem, with the clear goal of establishing strong internal mobile competencies in the long term.This role goes far beyond simple feature implementation. From day one, you will take on responsibility for architecture, shape technical standards, and actively influence how mobile engineering is structured within our organization.You will work in a dynamic, growth-oriented environment where structures are not pre-defined but shaped by you. If you enjoy developing scalable systems, defining standards, driving technical excellence, and collaborating closely with other teams, this role offers you genuine scope for creativity and impact.

EXCITING OPPORTUNITYJoin us at Knowunity as we revolutionize the landscape of education. We are committed to creating a future where every student globally can access, appreciate, and benefit from top-tier education. Our mission is to establish the first AI-driven learning unicorn that will make this vision a reality.With millions of students already benefiting from our personalized AI learning companion, we have recently secured €27 million in funding to seize a pivotal moment in the AI education market, paving the way for genuine personalization at scale for one billion students.YOUR ROLEIn this role, you will have the opportunity to influence the future of student learning. Engineering is the heartbeat of Knowunity, and you will play a crucial role in driving our mission forward, with responsibilities including:Creating and scaling personalized video content.Implementing predictive topic guidance, aiming for a high level of personalization.Leveraging extensive data for enhanced personalization and guidance.Innovating future practices that surpass traditional methods like Quizlet, focusing on guided and diverse engagement.Developing multi-modal outputs to enrich learning materials.Creating interactive learning experiences beyond mere text, through cards, graphs, and engaging practice elements.Understanding and adapting to the learning preferences of Generation Alpha.Designing AI companions that facilitate social interactions among students.Rapidly deploying A/B tests to millions of users.Your contributions will define how students engage with their studies, maintain motivation, and achieve success. You will help drive user growth, retention, and long-term educational impact.Success in this role means quickly delivering high-quality features that are embraced by millions of students worldwide. You will be instrumental in shaping both product direction and engineering excellence, providing insights into trade-offs and contributing meaningfully to team discussions.WHO YOU ARE

TransPerfect, a prominent player in the industry with a vibrant start-up atmosphere, is on the lookout for innovative and entrepreneurial individuals to join our dynamic team. We are currently seeking a Mobile Engineer to contribute to our global efforts in delivering exceptional user experiences across both iOS and Android platforms. This full-time hybrid position requires a blend of independent initiative and collaborative teamwork within a high-impact environment, dedicated to developing cutting-edge products.As part of our team, you will be responsible for building high-quality mobile applications using Flutter, and designing new components from the ground up that enhance our user engagement.About the TechOps Team at TransPerfect:The TechOps team at TransPerfect has played a crucial role in our success over the past decade, providing technology and services that significantly streamline our clients' and colleagues' experiences. From enhancing workflows for our team to developing fundamental services for our GlobalLink platform, the team is dedicated to creating scalable user interfaces that simplify complex ecosystems for novice users.Your responsibilities will include:Acting as a subject matter expert on mobile app development, defining best practices for mobile development, design thinking, and deployment processes.Collaborating with product managers, engineers, designers, and QA to create compelling user experiences on both iOS and Android platforms.Taking ownership of major mobile app features, components, and overall application solutions in collaboration with technical leads and senior engineers.Working in an agile environment, managing internal and external requirements and expectations effectively.Providing constructive feedback throughout the software development lifecycle to align development priorities with business objectives.Writing clean, efficient, and maintainable code adhering to industry best practices and coding standards.Keeping abreast of the latest trends, technologies, and best practices in mobile development.

JOIN US IN TRANSFORMING EDUCATIONAt knowunity, we are pioneering a new era of learning. Our vision is to ensure that every student worldwide can access and thrive through exceptional educational resources. We are committed to establishing the first AI learning unicorn, revolutionizing personalized education.With millions of users already benefiting from our innovative AI learning companion, we are excited to announce our recent €27 million funding round aimed at seizing the immense potential of the AI learning market, enabling true personalization for 1 billion students.YOUR ROLEAs a Flutter Engineer, you will have the unique opportunity to influence the future of student learning. Engineering lies at the heart of our mission, and you will play a pivotal role in this transformation through:Creating engaging video content at scale with a personalized approachImplementing topic prediction and real-time guidance to enhance AI-driven personalizationDeveloping innovative practices that outshine outdated models like QuizletDelivering diverse, interactive learning experiences beyond traditional textExploring new learning methods tailored for Generation AlphaFacilitating social learning experiences through AI companionsRapidly deploying A/B tests to millions of usersYour contributions will not only enhance how students engage with learning materials but also drive our daily active users, retention rates, and long-term impact. You will witness your innovations directly influencing the study habits and success of millions globally.WHO WE SEEK

Join Mapbox, the premier real-time location platform empowering a new wave of location-aware businesses. Our platform uniquely provides organizations with a comprehensive suite of tools designed to enhance the navigation of individuals, packages, and vehicles across the globe. With over 4 million registered developers relying on Mapbox, our reputation for flexibility, security, and privacy compliance is unmatched. Organizations leverage our applications, data, SDKs, and APIs to craft bespoke and immersive experiences that captivate their customers.What We DoThe Maps SDK team is responsible for developing the public library that supports our mobile maps. Our SDK is utilized by a diverse range of applications on Flutter, Android, and iOS, catering to both small startups and large enterprises. We engage with an array of devices—from the latest flagship smartphones to tablets, laptops, smartwatches, head-mounted displays, and embedded boards. Our developers are at the forefront of creating applications, games, and navigation solutions that consistently rank at the top of the App Store and Play Store. We continuously collaborate to help our clients innovate, whether that involves crafting an Augmented Reality game, a widely-used consumer app, or pioneering autonomous driving experiences.As artificial intelligence becomes integral to modern engineering practices, we seek engineers who can thoughtfully weave AI into design, development, and decision-making processes. Our interview process will explore how you incorporate AI into your engineering workflows.What You'll DoDevelop the web platform support layer for the Mapbox Maps Flutter SDK, with opportunities to contribute to iOS and Android platform support.Take ownership of feature development within the SDK and application layers.Enhance the performance, stability, and usability of our products.Work with cutting-edge technologies, including Dart.Collaborate closely with iOS, Android, and web teams on system design and feature consistency.Manage the testing pipeline and oversee release artifacts.Create thorough documentation that developers can easily follow.Review code and design documents, overseeing feature releases.Important Traits for This RoleProven expertise in Dart and JavaScript, with a minimum of 3 years of experience.Substantial experience with browser technologies and web platform APIs.Skills in performance optimization within browser environments.A solid understanding of the software development lifecycle and best practices.

Who We AreAt Typeform, we revolutionize the way businesses gather information. Our innovative form builder empowers over 150,000 organizations to collect data through engaging forms, surveys, and quizzes that users love. With a design that is both visually captivating and user-friendly, Typeform facilitates 500 million responses annually and seamlessly integrates with vital tools like Slack, Zapier, and Hubspot.About the TeamThe IT team plays a crucial role in maintaining our internal systems, tools, and support that ensure Typeform operates efficiently on a daily basis. We specialize in identity and access management, endpoint management, service management, SaaS administration, and enhancing employee productivity through technology.This team collaborates closely with Security, People, Finance, Product Operations, and R&D to ensure our systems are secure, reliable, and well-governed. As Typeform continues to embrace AI-driven methodologies, our IT department is essential in developing the internal infrastructure and processes necessary for safe AI implementation.About the RoleWe are on the lookout for a Senior IT Engineer who will contribute to fortifying the infrastructure and service management that underpins Typeform’s internal operations.This position blends systems ownership with operational excellence and process enhancement. You will tackle complex infrastructure and IT service management challenges, optimize the management of our internal tools, and minimize manual tasks through automation and improved process design. Additionally, you will influence how IT aligns with the company’s shift towards enhanced AI productivity.This role is ideal for someone passionate about elevating internal systems structurally, comfortable navigating a diverse SaaS environment, and focused on making our technology more dependable, secure, and scalable.Key Responsibilities:Own and resolve intricate IT Infrastructure incidents and service requests, serving as an escalation point for IT Support while ensuring adherence to SLOs and OLAs.Administer, maintain, and enhance core internal platforms such as Okta, Atlassian, Google Workspace, Microsoft 365, Jamf, Intune, HiBob, Torii, Jira Service Management, and 1Password.

Jobgether seeks a Senior Software Engineer to join the Product Engineering team in Germany. This position centers on designing, building, and maintaining software that supports and improves the company's products and services. Collaboration and strong technical skills are highly valued within the team. Key responsibilities Design and develop software solutions for Jobgether’s product suite Maintain and enhance existing systems to meet evolving business needs Collaborate with other engineers and teams to deliver reliable, high-quality features Location This role is based in Germany.

Join our dynamic Platform tribe at SumUp, where your expertise will help us create an innovative self-service, AI-Ready Data Platform. Our Data Platform team plays a crucial role in supporting our ambitious ventures into Data, AI, and real-time analytics. We are committed to building robust and scalable infrastructure that empowers our global data community.Your ResponsibilitiesDesign and sustain an exceptional data infrastructure that underpins vital processes.Enhance platform self-service capabilities by developing features for ETL and orchestration.Streamline processes to maximize compute resource efficiency and minimize costs.Implement automation solutions to ensure our infrastructure's availability around the clock.Participate in the design and rollout of new services within our platform ecosystem.

Please note that this position is based in Berlin, Germany - relocation support is provided if required. THE BEST WORK OF YOUR CAREER Trade Republic is Europe’s largest savings platform, operating in 18 countries and trusted by over 10 million customers with more than €150 billion in assets. Our ambitious mission is to empower individuals to build wealth through easy, secure, and free access to financial systems. You will have the chance to elevate your career while working alongside exceptional talents and cutting-edge technology to create a positive impact for millions. Our Corporate IT team ensures that Trade Republic’s internal infrastructure operates securely and efficiently, enabling teams across Europe to deliver at scale. As a Senior IT Systems Engineer, you will merge technical expertise with operational leadership, designing, automating, and maintaining the systems that keep our company thriving.

Jobgether is looking for a Senior Software Engineer based in Germany. This position centers on building software solutions with a global reach. The work involves collaborating with colleagues from different disciplines and guiding the technical direction of projects. Role overview This role focuses on designing and developing advanced systems. Senior Software Engineers at Jobgether contribute to major architectural decisions and help shape the way software is built and maintained. Collaboration Expect to work closely with cross-functional teams. Sharing knowledge and aligning on technical approaches is a key part of the job. Development practices Applying and promoting best practices in software development is essential. The position calls for a strong commitment to code quality, maintainability, and scalable solutions.

Join vCluster Labs as a Senior Solutions Engineer, where you will not merely be selling software, but rather pioneering a new category in the tech landscape. In this pivotal role, you will function as the technical architect throughout the sales cycle, addressing intricate challenges faced by leading global enterprises. Your mission will involve marketing a cutting-edge technical platform designed to resolve crucial issues for Engineering, DevOps, Security, and Data leaders.Your key responsibilities will include:Strategic Technical Leadership: Spearhead technical sales initiatives and secure the “Technical Win.” Collaborate with Account Executives to develop customized solutions that meet customer demands in a Kubernetes environment.POC Execution: Oversee the technical lifecycle, from initial discovery to proof of concept (POC) execution, demonstrating Loft Labs' products (vCluster Pro, DevPod Pro) while addressing customer inquiries.Value Engineering: Transition from mere feature/function selling to delivering a compelling “Business Value Assessment” (BVA) that aligns our technical offerings with the customer's revenue growth and operational efficiency.Multi-Threaded Engagement: Successfully navigate complex organizational landscapes to foster consensus among technical advocates (DevOps/Security professionals) and executive stakeholders (CTO, CIO, CISO).Lifecycle Continuity: Facilitate the handover of newly acquired accounts to the Customer Success team, ensuring a seamless transition. Act as a trusted advisor and best practice resource throughout the customer lifecycle.Methodical Qualification: Gain insight and qualify opportunities by collaborating with Account Executives, employing frameworks such as MEDDPICC or Command of the Message.

Join our Innovative Team as a Senior Hardware EngineerSkeleton Technologies is seeking a passionate and seasoned Senior Hardware Engineer (m/f/x) to become a part of our dynamic Engineering Department.Your Responsibilities:Define electronics functionality and convert system-level requirements into comprehensive hardware specifications for over 100 devices annually.Ensure adherence to industry standards, budgetary constraints, and customer needs throughout the entire development process.Perform risk, reliability, and redundancy analyses, including methodologies such as FMEA and FTA.Design electronic concepts, select components, and create schematics, PCB layouts, wiring, and interfaces that meet functional, EMC/EMI, environmental, and manufacturability standards.Conduct electrical simulations and tests to validate system behavior and collaborate with manufacturing partners on DFM/DFT activities.Maintain thorough documentation, including design logs, reports, manuals, and production files.Enhance hardware quality through validation testing and collaboration with test engineers.Define and validate end-of-line (EoL) testing, encompassing equipment, fixtures, and software needs; analyze yield data and failure modes for continuous improvement.Work closely with manufacturing and quality teams to troubleshoot design or process issues.Collaborate cross-functionally with internal product, engineering, and production teams, providing guidance for product builds as necessary.

About ClimatiqAt Climatiq, we believe in making a positive impact on the planet, not just the profit margins. If you are passionate about driving change, you’ll find your place with us.We are an innovative startup dedicated to integrating carbon intelligence into business decisions globally. Our platform combines the leading emissions database with advanced AI and calculation tools, empowering thousands of sustainability teams to accelerate their efforts in reducing emissions across corporate and product carbon footprints.Our mission is united in the fight against climate change. We prioritize both speed and quality, as the urgency of the crisis compels us to act swiftly without compromising excellence. Trust, transparent communication, and commitment to outstanding results are the cornerstones of our team culture.Based in Berlin, we embrace a remote-friendly approach, enabling collaboration across Europe. Backed by esteemed investors like Alstin Capital, Singular, and Cherry Ventures, we proudly hold B Corp certification.

About the CompanyAndercore is an innovative AI-powered trading platform revolutionizing the industrial supply chain for infrastructure, energy, and construction materials. We connect thoroughly vetted suppliers from Asia, Europe, and the GCC region with local demand through a seamless integrated platform.Our proprietary AI technology digitizes and automates the entire lifecycle of materials trade—covering procurement, pricing, inventory management, logistics, and embedded financing—thus transforming countless manual processes into real-time, orchestrated workflows.Buyers enjoy instant quotes, dependable availability, and predictable delivery via our unified operating system. Suppliers benefit from precise forecasting, effective demand management, and smooth integration into cross-border fulfillment networks. We collaborate with leading brands to execute both dropship and cross-dock fulfillment strategies for large-scale transactions, turning global supply chains into predictable, repeatable, software-driven workflows.Having achieved triple-digit million GMV and operating in six international markets, we are swiftly moving towards profitability. With a diverse team of over 80 members based in Berlin and Asia, we are on a mission to build the world’s first industrial-grade AI operating system for materials—redefining the dynamics of global trade in one of the most critical industries.Backed by top-tier investors and global banking partners, we recently secured a $40 million Series B funding round led by Atomico, Project A, and Invent Capital, supported by institutional backing from Commerzbank and KfW.About the RoleAs a Senior Backend Engineer, you will serve as a technical pillar within our team, expected to lead by example, influence architectural decisions, and elevate the quality of our deliverables. You will work autonomously while remaining deeply embedded in a collaborative engineering culture.Tech Stack: Java 21 (Spring Boot 3), Python, LangGraph, LLM APIs (OpenAI, Anthropic, Gemini), PostgreSQL, Kinesis, AWS, Terraform, GitHub Actions, Node.js, TypeScript, Next.js, React.

Join our dynamic team at Intercom as a Senior Director of Engineering, where you will lead innovative engineering projects and drive advancements in our technology solutions. We are looking for a visionary leader who excels in a fast-paced environment and is eager to push the boundaries of what's possible in the software industry.

peec is building and improving the backend systems that support its products. As a Senior Python Engineer based in Berlin, this position centers on designing, developing, and maintaining complex backend infrastructure to ensure reliable and high-quality delivery. Role overview This role involves full ownership of backend systems, from initial planning and architecture through to implementation and deployment. The work spans API design, distributed systems, and ongoing performance improvements. What you will do Lead the end-to-end development of backend systems, including scoping, architecture, execution, and delivery. Design and implement scalable APIs and distributed systems that meet high performance standards. Work closely with Product, Frontend, and Design teams to translate product ideas into solid backend solutions. Explore and apply modern backend technologies to improve architecture and the developer experience. Help evolve backend architecture and infrastructure to support fast iteration and growth. Identify areas for system and developer experience improvement, and drive initiatives to address them. Requirements Significant experience with Python and backend development is essential. Strong skills in API design, distributed systems, and collaborating across teams will be important for success in this role.

Join Our Team as a Senior Frontend Design EngineerAt Peec, located in vibrant Berlin, we are on the lookout for a passionate Senior Frontend Design Engineer to take the reins of our innovative projects. This is your chance to work with cutting-edge technologies and bring your design aspirations to life.Your ResponsibilitiesOwn complex frontend features from inception to delivery, ensuring high-quality outcomes through effective scoping and architecture.Utilize modern frontend technologies to create pixel-perfect, visually appealing user interfaces that adhere strictly to design specifications.Work collaboratively with Product, Design, and Backend teams to transform concepts into high-performance user interfaces, delivering an exceptional user experience.Uphold stringent standards for code quality, accessibility, and performance through meticulous reviews, testing, and adherence to best practices.Contribute to the evolution of our frontend architecture, component library, and design system, facilitating rapid iteration and scalability.

As a Senior Backend / Platform Engineer at causaprima, you will take charge of the foundational platform that empowers our agents. This includes overseeing an event-driven architecture, managing data pipelines, integrating with customer accounting systems, and ensuring the infrastructure is reliable, auditable, and swift.Key ResponsibilitiesEvent Store Management — Lead the development of an append-only PostgreSQL event store featuring tamper-evident hash chaining, real-time event distribution, agent replay capabilities, and schema versioning.Cryptographic Signature Infrastructure — Implement key management and signature verification for all agent events, including establishing approval chains for external actions.Workflow Constraint Engine — Develop a robust gateway that verifies authorization before any external action (email, payment, API call) is executed.PII Vault & GDPR Compliance — Ensure the safe storage of personal data through isolated, encrypted solutions, allowing for the right to erasure and data residency per region.Multi-Tenancy Architecture — Design systems that incorporate row-level security and tenant isolation across all data stores, including tenant-scoped LLM API keys.Authorization (Cerbos) — Implement attribute-based access control for agents and humans with deterministic policy evaluations, ensuring LLMs are not responsible for authorization decisions.MCP Security Layer — Establish authentication protocols, capability-based scoping per partner, and rate limiting for the Model Context Protocol endpoint.Database Architecture — Drive PostgreSQL schema design, create effective indexing strategies, and enhance performance tuning and read replica topology.