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Backend Integration Engineer – Fully Remote (EU)

epilot

Full-time|Remote|Remote job

Join epilot and become a driving force in the SaaS industry!At epilot, we are pioneering a SaaS solution designed to revolutionize the online sales of complex products, aiming to simplify the purchasing process of intricate energy products as effortlessly as buying a pair of shoes online.About the RoleWe are seeking a skilled Backend Integration Engineer who…

Apr 9, 2026

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Lead Backend Engineer for Integrations (m/f/d)

flipapp

Full-time|Remote|Remote (Europe)

Empowering Every Employee.Our mission is to be the world's most utilized AI employee experience platform by transforming the way frontline employees operate.At flipapp, we aim to revolutionize the world of frontline workers and give them a voice! Become a flip game changer and work with an unbeatable team to ensure all employees, regardless of where they work, have access to their internal company information. Are you ready to transform the work life of millions? Join us! Job TeaserWhat You Can ExpectLead a team of engineers in designing, developing, and operating integration services that link our customers' internal systems with Flip (e.g., HR systems, knowledge bases).Advance our integration platform, a dedicated runtime environment for custom integrations (based on Kubernetes and ArgoCD).Our tech stack primarily uses JVM-based technologies (Kotlin, Micronaut), with some components developed in Python and JavaScript.Collaborate remotely within international, cross-functional agile teams.Follow modern software engineering practices (API-first, code reviews, automated testing, MR environments for exploratory testing, and tasteful experimental AI augmentation).Deploy (Kubernetes, Helm) and monitor (Grafana, Sentry, Mixpanel) our services within teams, supported by a dedicated team of SREs for on-call duties.Participate in customer calls along with your product manager to understand their specific challenges and empower your team to develop solutions that address a majority of customer contexts.Take initiative on technical topics important to you, driving significant decisions, and ensuring alignment across teams within our backend guild.What You Bring to the TableWe are looking for a skilled and experienced engineer who is ready to tackle complex integration challenges.Must Haves:5+ years of software engineering experience focused on backend systems.Experience in designing, implementing, deploying, and operating asynchronous backend services, ideally for data-heavy integrations with other systems.Exceptional communication skills that enable direct collaboration with customers.

Mar 11, 2026

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Lead Backend Engineer for Integrations (m/f/d)

flipapp1

Full-time|Remote|Remote (Europe)

Empowering Every Employee.Our mission is to become the world's leading AI employee experience platform, transforming the way frontline employees engage with their work.At Flip, we are dedicated to revolutionizing the workplace for frontline workers, giving them a voice and access to vital internal information, regardless of their location. If you're ready to make a significant impact and enhance the work lives of millions, you've found the right opportunity!Job OverviewWhat You Can ExpectLead a talented team of engineers in designing, developing, and managing integration services that connect our clients' internal systems with Flip, such as HR systems and knowledge bases.Advance our integration platform, a specialized runtime environment for custom integrations using Kubernetes and ArgoCD.Work primarily with a JVM-based tech stack (Kotlin, Micronaut), alongside some components developed in Python and JavaScript.Collaborate remotely within international, cross-functional agile teams, primarily based in Europe.Adhere to modern software engineering best practices, including API-first designs, code reviews, automated testing, and experimental AI enhancements.Oversee deployment (Kubernetes, Helm) and monitoring (Grafana, Sentry, Mixpanel) of our services, with support from a dedicated SRE team.Engage in customer calls with your product manager to understand their unique challenges and empower your team to create comprehensive solutions.Take initiative on technical topics that matter to you, influencing key decisions and aligning teams within our backend guild.

Mar 11, 2026

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Senior Backend Engineer at ClickHouse | Remote in Germany

ClickHouse

Full-time|Remote|Germany (remote)

About ClickHouseRanked among the most innovative firms on the 2025 Forbes Cloud 100 list, ClickHouse is a fast-evolving leader in the private cloud sector. With a rapidly expanding customer base exceeding 3,000 and an annual recurring revenue (ARR) growth exceeding 250% year-over-year, ClickHouse excels in real-time analytics, data warehousing, observability, and AI-driven workloads.The company’s impressive trajectory has been reinforced by a recent $400M Series D funding round. In the last three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted or enhanced their use of our platform. These entities join a prestigious roster of AI pioneers and global giants like Meta, Cursor, Sony, and Tesla.We are committed to revolutionizing how organizations leverage data. Join us on this transformative journey!Become a part of our mission to innovate Observability for Developers! We aim to redefine how engineers monitor, debug, and scale their production applications through HyperDX, now a part of ClickHouse. HyperDX is an open-source platform that converts telemetry data into actionable insights. Envision a world where logs, metrics, traces, and session replays integrate effortlessly to identify root causes with unprecedented speed. If you’ve ever been frustrated at 2 AM with tools like Grafana, Datadog, or Elastic for not providing the insights you need, you’ll understand the challenge we’re addressing. Now, you have the opportunity to help us tackle this issue.We are seeking a Senior Backend Engineer to contribute to the development of a petabyte-scale, high-performance observability platform, with a strong emphasis on delivering an exceptional developer experience (the DX in HyperDX).

Apr 2, 2026

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Senior Backend Engineer at Qualifyze | Remote

Qualifyze GmbH

Full-time|Remote|Remote job

About Qualifyze,Founded in 2019, Qualifyze is at the forefront of supply chain compliance management within the Life Sciences sector, earning the trust of over 1,500 pharmaceutical and healthcare organizations globally. Our comprehensive digital solutions seamlessly connect manufacturers, suppliers, and a vast network of over 250 auditors and quality professionals.With an impressive record of more than 4,500 audits conducted across 85+ countries, we boast the largest and most accurate supplier network, complemented by robust data analytics tools. Qualifyze is your ideal partner for ensuring quality compliance and mitigating supply chain risks in the Life Sciences industry.Role OverviewWe are on the lookout for a Senior Backend Engineer to enhance our Tech department, particularly within the Engineering team. You will join a dynamic group of over 50 professionals dedicated to engineering and data. Our technology stack prominently features TypeScript with React and Node.js, alongside Java for specific projects.At Qualifyze, we believe that software engineering transcends mere coding—it’s about shaping the future. We seek engineers who recognize that every line of code contributes to a lasting legacy. As part of our team, you will focus on streamlining feedback loops, developing scalable solutions, and fostering clear communication with the business. You will advocate for clean architectures, robust testing strategies, and domain-driven design principles to deliver substantial value at every step.Main ResponsibilitiesLead backend architecture, testing, and technical decisions across teams, ensuring scalable, high-quality outcomes while adhering to best practices.Tackle and resolve intricate tasks within large-scale projects, or independently manage smaller projects.Effectively communicate and collaborate with team members, the DevOps team, product managers, and the design team. You will spearhead the technical strategy, translating product requirements into clear, functional solutions.

Oct 2, 2025

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Backend Engineer - Remote Opportunity

sportygroup

Full-time|Remote|Europe - Remote

About the Role We are seeking a talented Backend Engineer to join our innovative team at sportygroup. In this position, you will play a crucial role in developing microservices within a distributed deployment environment, focusing on containerization technologies such as Docker and Kubernetes. You will be tasked with crafting the core logic of sophisticated systems that handle millions of requests daily, moving beyond basic CRUD applications. Having built our platform from the ground up just three years ago, you'll be working with cutting-edge technology, free from the burdens of legacy code. With millions of users relying on our platform, your contributions will directly enhance our commitment to stability and robustness, ensuring our services are available around the clock. Our Technology Stack (Familiarity with all not required) Programming Language: Java 17 Frameworks: Spring Boot (Tomcat, Netty), Spring Data, Spring Cloud Architecture: Microservices, REST APIs, Message Queues Databases: MySQL, MyBatis, ShardingSphere, MongoDB Caching Technologies: Redis (AWS ElastiCache), ElasticSearch Message Queue: RocketMQ Cloud Infrastructure: Docker, Kubernetes, AWS Monitoring Tools: Grafana, Prometheus, Loki, Tempo, AWS CloudWatch Your Responsibilities Design and develop highly scalable backends for mobile internet applications serving millions of users. Collaborate with Project Managers and fellow developers to outline new features and user stories for upcoming projects. Engage in code reviews to ensure adherence to the original vision outlined in user stories, architectural patterns, and resource libraries. Provide timely support for production applications to swiftly diagnose and resolve any issues. Participate actively in team ceremonies, including planning, product demos, and retrospectives. Mentor junior team members to foster their professional growth. Qualifications At least 3 years of experience in a relevant engineering role. Must be based in Europe. Preferred experience with Spring Boot, Spring Cloud, Spring Data, and iBATIS. Demonstrated expertise in developing highly scalable web backends. Experience in designing highly transactional systems. Strong understanding of Object-Oriented Design (OOD) principles. Advanced skills in application analysis and design engineering.

Feb 23, 2026

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Senior Backend Engineer (B2B Contract) - Remote Opportunity

jobgether

Contract|Remote|Germany

Role overview As a Senior Backend Engineer on a B2B contract with jobgether, the focus is on building and maintaining backend systems for business clients. This position is fully remote but requires residency in Germany. What you will do Design, develop, and enhance backend solutions that address the needs of business customers Collaborate with cross-functional teams to connect backend systems with various products and services Ensure delivery of dependable, high-quality software that aligns with client requirements Collaboration This role involves regular interaction with colleagues in engineering, product, and other departments to support smooth project execution and system integration.

Apr 28, 2026

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Dynamic Account Executive - EU

Typeform

Full-time|Remote|Germany (Remote) ; Ireland (Remote); Netherlands (Remote) ; Portugal (Remote) ; Spain (Remote) ; United Kingdom (Remote)

Typeform supports over 150,000 organizations in collecting data through engaging forms, surveys, and quizzes. The platform processes more than 500 million responses each year and integrates with tools such as Slack, Zapier, and Hubspot. This remote Account Executive position is open to candidates based in Germany, Ireland, the Netherlands, Portugal, Spain, or the United Kingdom. Role overview The Account Executive will be part of a collaborative sales team, reporting to the Head of Sales. The focus is on outbound sales activities, including prospecting, relationship building, and closing deals with Mid-Market and Enterprise clients. The role requires balancing immediate sales opportunities with nurturing long-term account growth. Main responsibilities Manage the entire sales cycle, from initial outreach to closing, with an emphasis on outbound strategies. Generate leads using targeted outreach, multi-channel campaigns, and strategic planning. Build and maintain relationships with SMB, Mid-Market, and Enterprise prospects to support outbound sales efforts. Deliver consultative product demonstrations to show how Typeform integrates into customer workflows. Collaborate with the Channels & Partnerships team to support direct sales and expand reach through integrations. Keep the sales pipeline organized and up to date in Salesforce, using sales tools to advance deals. Drive annual recurring revenue (ARR) growth through consultative and challenger sales approaches.

Apr 24, 2026

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Senior Backend Software Engineer, Alerting - Remote Opportunity

Grafana Labs

Full-time|Remote|Germany (Remote)

Grafana Labs is a globally recognized leader in open-source technology, proudly serving over 20 million users worldwide. Our flagship product, Grafana, is the go-to visualization tool for a diverse array of use cases, from monitoring beehives to tracking climate change in the Alps. Our distinctive dashboards have gained visibility in prestigious venues like NASA launches, Minecraft HQ, Wimbledon, and the Tour de France. We empower over 3,000 organizations, including industry giants like Bloomberg, JPMorgan Chase, and eBay, to effectively manage their observability strategies with the Grafana LGTM Stack, available through Grafana Cloud or self-managed with the Grafana Enterprise Stack, both incorporating scalable metrics (Grafana Mimir), logs (Grafana Loki), and traces (Grafana Tempo). As we rapidly grow, we remain committed to our core values: an open-source heritage, a collaborative global culture, and a passion for impactful work. Our team thrives in an innovative atmosphere driven by transparency, autonomy, and trust.If this role excites you, we encourage you to apply, even if you don’t meet every requirement. This could be a pivotal moment in your career.Senior Backend Engineer, AlertingThis is a remote opportunity and we invite applications from Germany.The Opportunity:The Grafana Alerting team is central to our mission of enhancing user alert management within the Grafana open-source project (link). Our backend-focused team collaborates closely with customers and the Grafana Cloud teams to ensure alerting capabilities are optimized for both on-premise and cloud environments.Our projects span a wide domain, including:Designing distributed systems for scalable alert ingestion and delivery of Prometheus-based alerts.Integrating alert setup and delivery processes to function uniformly for both Grafana and Prometheus-based alerts.Creating distributed systems that can evaluate Grafana-managed alerts at a rate exceeding 500 evaluations per second in production.Grafana Alerting is trusted globally, monitoring critical medical devices and infrastructure.

Apr 7, 2026

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Senior Backend Engineer (m/f/d) at flipapp | Remote (Europe)

flipapp

Full-time|Remote|Remote (Europe)

Empowering Every Employee.Join us in our mission to become the world's most utilized AI employee experience platform by transforming the work experience for frontline employees.At flipapp, we aim to revolutionize the world of frontline workers and give them a voice! Become a Flip Game Changer and collaborate with an exceptional team to ensure that all employees, regardless of their workplace, can access vital internal information. Are you ready to transform the work life of millions? Join us! Job TeaserAs a Senior Software Engineer, you will play a crucial role in enhancing the backend of our employee communication platform. Your responsibilities will include the secure design, hands-on development, and management of server applications in our core domains. This position is ideal for an experienced engineer with 5+ years in the field, proficient in the JVM ecosystem, and eager to oversee mission-critical production systems while promoting technical excellence within an international agile team.What You Can ExpectArchitect and Develop Core Services: Design, develop, and operate essential backend services in our User Management domain, ensuring secure integration with our Keycloak instance.Leverage the JVM Stack: Engage directly with our primary technology stack, primarily JVM-based (Kotlin, Micronaut), alongside additional components developed in Python and Go.Drive Engineering Excellence: Build software following modern practices: API first, conducting code reviews, implementing automated tests, and utilizing MR environments for exploratory testing prior to merges.Own the Topics: Take responsibility for technical subjects that matter to you, driving important decisions and fostering alignment across teams within our backend guild.Deployment and Operations: Deploy (Kubernetes, Helm) and monitor (Grafana, Sentry, Mixpanel) your services with the support of a dedicated SRE team for on-call duties.What You Bring to the TableWe are looking for a skilled, experienced engineer who is passionate about making a difference in the workplace.

Mar 13, 2026

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Senior Backend Engineer - Platform

Jimdo GmbH

Full-time|Remote|Germany

Join Our Team at JimdoAt Jimdo, we empower solopreneurs and micro-businesses to thrive by simplifying the journey of building successful online ventures. Since our inception in 2007, we have evolved from a small initiative in a Northern German farmhouse to a leading AI-driven platform with a diverse team of over 220 professionals from more than 50 nations, helping to create over 36 million websites worldwide.We believe in personalized, data-driven guidance that combines design, business tools, and cutting-edge AI technology to transform real user insights into actionable steps for our customers. Our mission is clear: to help self-employed individuals navigate the complexities of running a business with confidence.Your Role:As a Senior Backend Engineer, you will be instrumental in enhancing and scaling our backend systems, ensuring they deliver optimal performance and reliability. You will collaborate with cross-functional teams to create seamless integrations and contribute to our commitment to innovation.Your Contributions:Design, develop, and enhance API services with a focus on scalability and performance.Work closely with cross-functional teams to understand requirements and ensure backend solutions are fully integrated.Maintain high standards of code quality through thorough reviews and testing.Diagnose and resolve backend issues to minimize downtime and enhance performance.Stay abreast of industry trends and best practices in backend development.Provide valuable insights and feedback to the Tech Lead and stakeholders regarding backend solutions.

Jan 8, 2026

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Lead Backend Engineer (Flow)

flipapp1

Full-time|Remote|Remote (Europe)

Empowering Every Employee.Our mission is to be the world's most utilized AI employee experience platform, transforming the way frontline employees operate.At Flip, we aim to revolutionize the workplace for frontline workers, ensuring every employee has a voice. Become a Flip Game Changer and collaborate with a dynamic team dedicated to providing all employees access to their company's internal resources. If you're eager to make a significant impact and enhance the work lives of millions, this is the opportunity for you!Job OverviewWhat You Can ExpectLead a team of engineers in the design, development, and operation of our employee communication platform, leveraging PostgreSQL and RabbitMQ, including structured, chat-driven workflows.Engage in hands-on engineering work for at least 70% of your time, with the remainder dedicated to technical leadership responsibilities.Work primarily with our Flows subsystem, predominantly built in Go, with some components in PHP/Symfony, and additional parts utilizing a JVM-based (Kotlin, Micronaut) stack.Collaborate remotely within international, cross-functional agile teams.Adopt modern software engineering practices, including API-first development, code reviews, automated testing, and exploratory testing environments.Manage deployment (Kubernetes, Helm) and monitoring (Grafana, Sentry, Mixpanel) of services within your teams, supported by a dedicated SRE team for on-call duties.Participate in customer calls with your product manager to understand their challenges and empower your team to create relevant solutions.Take initiative on technical topics important to you, driving key decisions and fostering alignment across our backend guild.

Mar 27, 2026

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Backend Software Engineer

xneelo

Full-time|Remote|Remote job

At xneelo, we are driven by purpose and committed to enabling businesses through our exceptional hosting services. Our mission is to empower customers to establish and conduct transactions online with confidence. Each day, we strive to maintain our customers' trust through our brand promise of being 'trusted in hosting'. We provide reliable web hosting services focused on infrastructure stability, value for money, and consistent service delivery.Our backend software engineers play a crucial role in ensuring that when a customer interacts with our web application, the necessary actions seamlessly occur within our global hosting infrastructure.Managing a large-scale, mass-market hosting infrastructure involves overcoming complex challenges that demand quality automation and processes to ensure optimal performance around the clock, every day of the year.At xneelo, product development hinges on engineering our backend infrastructure, which is vital for transforming complexity into simplicity and delighting our customers.We are passionate about the frequent, iterative delivery of high-quality software and aim to build enduring solutions by embracing Agile principles and leveraging the latest technologies available. Our teams are autonomous and take full responsibility for their segments within the xneelo ecosystem, requiring a solid understanding of Agile development methodologies.Excited about this opportunity? Here’s what you'll be doing:Addressing intriguing and large-scale backend technical challenges.Contributing to continuous improvement in our processes and practices.Identifying opportunities for innovation and optimization.Collaborating with Product Owners and stakeholders to understand customer needs and deliver innovative, robust solutions.Providing operational support to customers when escalated through the Client Services team.Your passion likely includes:Programming, open-source technologies, and IT in general.Creating optimal systems with straightforward procedures.Agile development and thriving in a self-organizing team environment.Collaborating and sharing innovative ideas.

Mar 2, 2026

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Senior Backend Engineer (.NET) (f/m/d)

apaleo

Full-time|On-site|Munich

About Apaleo Apaleo builds an open, API-first property management platform for the hospitality industry. The company’s modular infrastructure helps hotels customize their technology, automate routine work, and deliver tailored guest experiences. Apaleo’s platform includes advanced applications and AI agents that adapt to each guest’s needs. Role Overview The Senior Backend Engineer (.NET) will shape the foundation of Apaleo’s public API layer. This position focuses on creating the Storefront API, a scalable interface that lets external systems, such as ChatGPT and booking platforms, connect directly with Apaleo. The work combines backend engineering with AI, starting from a clean API design and moving toward systems that support intelligent, agent-driven guest interactions. What You Will Do Design and implement the Storefront API for Apaleo’s property management platform Develop scalable, reliable backend solutions in .NET Enable integrations with external partners and booking platforms Build systems that support agentic booking and AI-powered guest experiences Work with a high degree of autonomy on architecture and deployment decisions Location This role is based in Munich.

Apr 17, 2026

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Senior Backend Engineer for JimdoPay

Jimdo GmbH

Full-time|Remote|Germany

About JimdoAt Jimdo, we empower self-employed individuals and micro-businesses by simplifying the journey to success. Founded in 2007 by three friends in a farmhouse in Northern Germany, we have evolved into a profitable, remote-first company with over 220 employees from more than 50 nationalities, operating in over 15 countries. With over 36 million websites created, we are more than a website builder; we are an AI-driven platform that supports our users in running and growing their businesses effectively.Our commitment to personalized, data-driven guidance ensures that our platform provides clear insights and actionable steps, allowing our customers to focus on what truly matters for their business growth.Role Overview:As a Senior Backend Engineer for JimdoPay, you will play a crucial role in developing our integrated payment solution designed to support solopreneurs with a comprehensive suite of payment capabilities. You will contribute to key features, including embedded payments, link-to-pay options, and intelligent quoting tools. Collaborating closely with product, design, and engineering teams, you will ensure the delivery of secure and scalable backend services leveraging top Payment Service Providers (PSPs).Your Impact:Develop REST APIs using Kotlin or Java with a strong focus on scalability, reliability, and performance.Implement secure and efficient integrations with payment APIs.Design and develop RESTful services and event-driven architectures.Manage data storage effectively using relational databases.Contribute to CI/CD pipelines and automated testing processes.Work collaboratively across teams to deliver comprehensive solutions.What You Bring:Over 6 years of experience in backend software development.Strong expertise in Kotlin or Java.Proven skills in REST API design.In-depth experience with relational databases.Familiarity with CI/CD practices and testing automation.Excellent collaboration skills for cross-functional teamwork.

Jan 5, 2026

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Senior Product Engineer (Backend, Java) - Remote in Europe

Secfix

Full-time|Remote|Remote-Europe

Discover the Mission Behind Secfix In Europe, over 1.78 million small and medium-sized businesses face the challenge of complying with various information security frameworks to successfully offer their products and services to enterprise clients.Secfix simplifies security compliance for SMBs in Europe. Our platform automates the processes for ISO 27001, GDPR, TISAX, and SOC 2, allowing businesses to achieve compliance in mere weeks rather than months. By integrating seamlessly with existing technology stacks (such as AWS, Azure AD, and Jira), we automatically gather the necessary data for compliance and generate actionable checklists to ensure ongoing adherence.As we continue to expand rapidly, we're seeking talented engineers to enhance and scale our product offerings. Check out our culture guide to learn more!Why You Should Consider Joining SecfixAt Secfix, we are an innovative, fully remote startup with a vibrant, close-knit team dedicated to becoming the leading compliance automation provider in Europe.In just two years, we grew from zero revenue to over $1M ARR, with most costs covered by our earnings. Our recent $12M Series A funding has brought our total investment to $17M, supported by prominent investors like Alstin Capital, Neosfer (Commerzbank), and Bayern Capital.As a Senior Backend Engineer, you will play a pivotal role in shaping and developing products that serve real users, including CTOs, COOs, and engineering teams within SMBs. You will also contribute to the growth of a high-performance, fully remote software startup.Who We Are Looking ForWe're creating an environment at Secfix where ambitious and independent engineers can excel. We seek individuals who take pride in crafting tangible products, are curious about user engagement with our features, and adopt a design-first approach to ensure scalable and maintainable systems. We prioritize ownership of products and outcomes over merely managing tasks in Jira.We acknowledge that startup life can be challenging, but we believe it can also be rewarding. Bring your dedication and desire to grow, and we will provide an environment that fosters your happiness, health, and empowerment.

Feb 3, 2026

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Senior Backend Engineer at Grafana Labs | Remote in Germany

Grafana Labs

Full-time|Remote|Germany (Remote)

Grafana Labs creates open-source observability tools used by millions around the world. Companies like Bloomberg, JPMorgan Chase, and eBay depend on products such as Grafana Mimir, Grafana Loki, and Grafana Tempo to monitor and analyze their infrastructure. The team values transparency, collaboration, and purposeful work. This Senior Backend Engineer role is fully remote and open to candidates based in Germany, Spain, the UK, or Sweden. Role overview The focus of this position is the Grafana Mimir open-source project. Senior Backend Engineers join either the Query or Storage sub-team, working on distributed systems that support Grafana Cloud Metrics across major cloud providers. The main priorities are scaling, reliability, and performance for a leading metrics platform. What you will do Maintain and enhance the Grafana Mimir OSS project Work on distributed systems designed for large-scale, high-performance environments Collaborate with engineers to deliver major features and improvements Drive performance and reliability improvements based on real-world usage Write and review pull requests Create design documentation for new features and changes Contribute to release automation Participate in the on-call rotation for systems managed by your team Our culture Grafana Labs encourages openness, teamwork, and meaningful contributions. The company supports remote collaboration and values engineers who care about open-source technology and want to make a difference.

Apr 22, 2026

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Backend Software Engineer

dev2

Full-time|On-site|Wilhelmstraße 118

Join our dynamic team at dev2 as a Backend Software Engineer! In this role, you'll have the opportunity to design and develop robust backend systems that drive our innovative products. Your expertise in backend technologies will play a crucial role in enhancing our software solutions and improving the user experience.We are looking for passionate individuals who thrive in a collaborative environment. If you are eager to tackle complex challenges and contribute to impactful projects, we want to hear from you!

Nov 7, 2021

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Senior Backend Engineer - Golang

SumUp

Full-time|On-site|Cologne, Germany

About the Team Join the Sell Online Tribe at SumUp, where we are transforming how merchants establish their online presence. Our team designs and builds solutions that empower millions of entrepreneurs—from barbers to bakers—to sell their products and services from anywhere. With a focus on Online Store and Bookings, our products form the backbone of SumUp’s ecosystem, enabling merchants to manage appointments, showcase offerings, and process payments seamlessly from their mobile devices. We are a dynamic, cross-functional team of Product Managers, Designers, and Engineers dedicated to creating exceptional mobile experiences. As part of our team, you’ll play a vital role in expanding into new industries, bridging the gap between web and mobile platforms, and simplifying digital commerce for small businesses globally. About the Role As a Senior Backend Engineer within the Bifrost team, you will be instrumental in the development of SumUp's key merchant-facing online products. You will contribute to the growth and scalability of pivotal products such as Payment Links, Virtual Terminal, and Unified Gift Cards, while also enhancing integration products that deliver essential functionalities across various SumUp services. We seek a developer who champions reliability, collaboration, and continuous improvement. You will thrive in a high-impact environment where your contributions directly enhance merchant success and team scalability. Your Responsibilities Ensure redundancy for the scalability and continuous enhancement of SumUp’s high-priority online products. Contribute to the implementation, growth, and integration of Online Checkouts across SumUp. Engage actively in planning and review sessions at both quarterly and sprint levels, providing constructive feedback and accurate estimations. Monitor existing services and perform necessary fixes to maintain platform reliability. Implement new features with maintainable and testable code. Optimize application performance for improved scalability. Participate in code reviews to uphold high standards of code quality. You Will Excel in This Role If: You possess over 5 years of experience in backend engineering, specifically with Golang. You demonstrate a strong grasp of fundamental system architecture, design principles, data modeling, and API design. You have substantial experience with distributed and fault-tolerant systems. You are passionate about continuous learning and improvement.

Feb 19, 2026

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Ruby Backend Developer - Remote

Blackbird Collective

Full-time|Remote|Berlin

Join our dynamic team at Blackbird Collective, where we partner with innovative startups seeking talented Backend Engineers to enhance their existing teams. Our reputation for delivering quality talent through referrals speaks volumes about our clients—each one an exceptional employer, offering thrilling projects within international teams.

Apr 8, 2021

Senior Backend Engineer at Grafana Labs | Remote in Germany

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