At HelloFresh, our mission is to change the way people eat - forever. From our 2011 founding in Europe’s vibrant tech hub Berlin, we’ve become the global market leader in the meal kit sector and inspire millions of energised home cooks across the globe every week.
We offer our meal kit boxes full of exciting recipes and thoughtfully sourced, fresh ingredients in more than 10 countries, operating from offices in Berlin, New York City, Sydney, Toronto, London and Amsterdam. Our more than 4,000 employees are the heart and soul of our highly international, fast-paced, and dynamic environment where innovation and smart, fast action is encouraged.
Our Engineering, Data, Product and Security teams are located in Berlin and New York and are critical to what we do. From procurement tools, to conversion rate optimization, live pricing tools, payment services and add-on upselling features, we work on challenging problems and have a high output of building and releasing features and engines that make our business thrive and deliver real financial impact.
You can get a taste of what we've been working on by checking out our tech blog.
About the job
Who we are looking for
Interacting with front-ends, designers, product managers and our teams around the world is very much part of our day-to-day, so communication skills are vital. We are looking for strong problem-solvers who can apply their engineering skills to a wide range of the platforms and environments we support.
What we offer
Are you up for a challenge?
Please submit your complete application below including your salary expectations and earliest starting date.
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Job Description
We are looking for awesome backend developers to join our Berlin team at Herdius. We are a blockchain startup working on a decentralized financial platform tailored specifically for cryptocurrencies. Our goal is to create a new, highly scalable blockchain that can act as a transaction and identity layer on top of all blockchains. The vision for Herdius is to create the central cryptocurrency financial hub of the space. Since we are developing our own chain as well as are working on brand new technology there will be a lot of room for you to play around with new consensus mechanisms, blockchains, distributed systems design, governance mechanism design, order routing, etc.
Responsibilities:
Implementation and design of Herdius’ consensus algorithm and p2p routing protocol Writing reusable, testable, and efficient code Design and implementation of low-latency, high-availability, and performant applications Integration of data storage solutions as well as distributed data storage solutions Creation of an efficient crypto exchange orderbook capable of handling thousands of transactions per second Creation of Governance / voting systems Working on our distributed virtual wallet network that implements distributed key generation with homomorphic encryption
Requirements:
4+ years of experience as a backend developer, preferably in C/C+, Golang or Scala Strong proficiency with Golang, preferably including p2p libraries and leveldb (or similar) Understanding the nature of asynchronous programming and its quirks and workarounds Understanding accessibility and security compliance User authentication and authorization between multiple systems, servers, and environments Efficient integration of cryptographically encryption schemes Understanding fundamental design principles behind various consensus algorithms Understanding differences between dPOS, DAGs, Plasma, BFT, aBFT, etc. Past experience with ANY blockchain / crypto related projects is a huge plus Implementing automated testing platforms and unit tests Proficient understanding of code versioning tools, such as Git Experience with other languages such as Javascript or Python Strong passion for Bitcoin and other cryptocurrencies
What to send:
Links to your GitHub/Stack Overflow/Portfolio/something awesome you've built that you’re proud of A resume or LinkedIn profile Cover letter
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PubNative is a mobile publisher platform that serves native ads via a scalable and flexible API for mobile apps and web. Our publisher-first approach focuses on the specific needs of each publisher across all verticals. Our ad serving technology is used by developers and publishers around the world.
Our system consists of a myriad of high load Golang-based APIs, iOS SDKs, Ruby/Rails 5 dashboard, Scala and Spark data- and ML pipelines, Druid OLAP system, running on a Mesos and Kubernetes cluster.
We're always on call to keep our networks up and running, ensuring our users have the best and fastest experience possible. We follow “Infrastructure as Code” model and immutable deployment strategies.
We are looking for a Site Reliability Engineer (m/f) to help us build and operate infrastructure platforms, and provide technical consultancy to engineering teams on how to build reliable, scalable and efficient services.
Our Responsibilities: - You help us build a hybrid, poly-cloud-provider environment - You help to design, develop and operate monitoring, tracking platforms - You drive scalability and operability of supported systems/infrastructure - You participate in on-call rotation and be on-call for the services you build and support - You work with other teams to provide consultations in systems architecture support for new and existing production systems - You write code so that you can automate tasks, support SLA for Production Systems, you support other engineering teams on reliability, scalability and efficiency topics - You manage OS image/templates via Packer, provision infrastructure via Terraform - You support CI/CD and make new pipelines - You engage in and improve the whole lifecycle of services—from inception and design, through deployment, operation, and refinement - You support services before they go live through activities such as system design consulting - You maintain services once they are live by measuring and monitoring availability, latency, and overall system health
Our Requirements: - 3+ years of experience in a Site Reliability role/Full-stack developer - Experience with public cloud providers (AWS, Google Cloud, Digital Ocean, etc.) and Infrastructure as Code (Terraform) - Strong programming skills and familiarity with modern programming languages: Go, Ruby, Python, Shell etc. - Knowledge of managing docker containers and microservices via Kubernetes - Experience building and monitoring systems and metric collection pipelines - Track record of building automation and solving multi-datacenter/clouds infrastructure problems - Knowledge of algorithms, data structures, complexity analysis, software design and reverse engineering - Interest in designing, analyzing and troubleshooting large-scale distributed systems - Experience working with source control - Git - Experience with continuous integration platforms such as TeamCity, Jenkins, CircleCI etc. - Understanding of Agile, DevOps practices such as CI/CD, automated testing etc.
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This is not strictly a GoLang position, but we do have Go with our current tech stack and we want to extend on that.
We are looking for a skilled SysOps/DevOps Engineer and Linux admin. Help building and extending our hosting platform. Ensure the highest levels of availability, performance and security. Make a big impact by joining a small developer-centric team.
Your responsibilities
Why to join
Please consider
Your skills
Your nice to haves
We are not looking for
Make a big impact by joining a small developer-centric team.
Talk with the founders.
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You will be given the freedom and the support, but also the responsibility – to successfully implement your ideas. We stand for innovative thinking and fresh ideas. We are active, curious, courageous, smart, clever, keen and always there for you. WE ARE OnBoard! Are you?
Your opportunity:
Your background:
What can you expect from life at naontek:
Responsibilities:
Requirements:
What we offer to you:
Do you like building microservices, and you get excited by the idea, that you will be building a high- performance and scalable application that will change the face of the AdTech industry? We’re now looking for our next Gopher that will join our team and make a difference!
Who we are
We are a very international team and looking to grow and extend the team rapidly in the next 3 years. We are profitable, well-funded with an office in the heart of Berlin and clients lining up for our next breakthrough product. Our products are a Fraud Detection system and an Ad-serving-Platform helping our clients to save advertising costs and automating manual tasks. It’s a user-friendly product, enabled by a very configurable and complex backend.
About the role
We are looking for a passionate Software Engineer who’s in-love with technology, excited about building solutions and who loves teaching & learning from others.
Responsibilities
Work with all team members and management to build a next-gen breakthrough advertising product. Build new product features with passion for Golang Quick iterations on product features and experiments. Write clean and maintainable code. Ensure that each of our technology products meet industry standards. Write clean and testable code accompanied with proper tests and meaningful documentation. Develop microservices
Skills
Strong proficiency in Golang Experience working with Container technologies (Docker) Understands the nature of asynchronous programming, its quirks, and workarounds. Low latency / high performance software design. Understanding of unit and performance testing.
What do we offer
Choose your development environment Linux / MAC Choose your favourite IDE Kubernetes trainings hosted by our partner Google! A relocation package (1 month accommodation and flight) Fresh Fruits & Drinks in the office Friday GetTogethers & Team activities Flexible work hours (Core hours 10am – 4pm) Plenty of room for your own ideas and initiatives We look forward to your application! Send please your cover letter and CV (incl. photo) in English in MS Word or PDF format to:
jobs@24metrics.com or at christina@24metrics.com
HDI Systeme AG is looking for Backend Software Engineers at all levels of experience to join our rapidly growing team in Hilden. You will design, build, scale, and maintain internal and external applications while contributing your expertise in technology, architecture, and systems to the larger organization.
About Us
We (de)code insurance. Our aim is to make insurance more simple by understanding customer needs to the fullest and serve them with digital solutions. At HDI Systeme AG we are developing digital solutions focussed on market effciency and employing state-of-the-art technologies. As a team we are pursuing our goals across the HDI Gruppe - enabling higher customer satisfaction is our aspiration. HDI Systeme AG is the IT service provider of the HDI Gruppe, the third largest insurance group in Germany with more than 1.000 employees in Hanover, Cologne, Hilden and Hamburg.
Your Responsibilities:
Your Qualifications:
Preferred Qualifications:
Why work with us:
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Does the premise of solving large scale business problems with technology excite you? Are you interested in the challenges of digitizing and automating processes in the traditional real-estate industry? Do you want to be part of the ground-up software development at a EUR 700 million-a-year business, and make a massive impact in transforming the industry itself? Then we need to talk!
At Engel & Völkers Technology, we are reimagining our own industry. An industry that we have excelled in for over 40 years and has transformed Engel & Völkers into one of the world’s leading service companies specialised in the brokerage of premium residential property, commercial real estate, yachts and aircraft. Despite our successes, we see the need to be on the leading edge of innovation and always be pushing the boundaries of the industry. As a software engineer, you will be involved in developing property-tech that will revamp an entire industry. You will own the full software development lifecycle of your products and work on complex problems with startup agility at enterprise scale with global impact.
Our development ecosystem:
Your responsibilities:
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Based on our working product we would like to improve our cross-technology blockchain application for access rights and need a team member who drives the development right from the start. Therefore, we need support in the development of a blockchain based access management solution with following focus areas: • Set up and maintenance of a decentralized network • Programming of the function to create and share cryptographical access permissions • Communication to terminal devices via Bluetooth, NFC and WIFI • Integration of the web solution and of the mobile application • Coordination between different divisions as Backend Development, IT-Operations and Mobile App Development.
We are searching for a (Senior) Full Stack Developer who works on the overall solution including the development of the relevant SDKs for mobile applications. Therefore, interests and competencies in following areas are relevant: • Programming languages: Java, C, C++, JavaScript, C#, Golang, Swift • Understanding the architecture, design, and implementation of Blockchain systems, distributed ledgers and smart contracts • Cross-cutting operating systems: Mac, Windows, Linux • Cryptographical algorithms and security considerations • Experience with Bluetooth/BLE, p2p networks and/or file exchange is a big plus • Knowledge about continuous integration and unit tests • Familiar with Git as the version control system and first experiences with agile software development, e.g. Scrum • Additional competencies in Application Deployment, Scaling, Management and Continuous Delivery (Docker, Ansible, Kubernetes, etc...)
On top of that, we are searching for a team member, who is eager to learn, switch contexts and share his/her knowledge within the team. At the same time, he/she is able to take responsibility in a growing team and have some experience as mentor and decision maker.