Senior Python Engineer (m/f/d) - Network Planning

At Flix, we provide a technology-centered workplace where innovation drives substantial real-world change. We offer competitive salaries, robust opportunities for career advancement, and a culture that emphasizes teamwork and individual ownership.We are seeking a skilled Senior Python Engineer (m/f/d) to join our Supply Division. In this role, you will take …

Join our dedicated team at europeanhomecaregmbh as a Psychologist (m/f/d) in Berlin. We are seeking an empathetic and skilled professional to provide mental health support and counseling services to our diverse clientele.

FlixMobility GmbH seeks a Transportation Network Planning Intern (m/f/d) in Berlin. This internship offers direct involvement in network strategy projects and provides a close look at the transportation industry. Key responsibilities Support the optimization of transportation network strategies Collaborate with experienced planners on active projects Observe and participate in the daily operations of a large mobility provider What you will gain Strengthen analytical skills through hands-on assignments See how network planning decisions influence mobility services Grow experience within a prominent transportation company

Role Overview Ramboll Group is looking for a Senior Electrical Planning Engineer (m/f/d) in Berlin with a focus on 50Hz systems. This position centers on designing and implementing electrical solutions tailored to client requirements. The work directly supports project delivery and sustainability goals.

Join AECOM as a Senior Engineer specializing in Technical Building Equipment (TGA) with a focus on HVAC planning. In this pivotal role, you will leverage your expertise to design and implement innovative solutions that meet our clients' needs. Collaborate with a dynamic team and contribute to projects that enhance infrastructure sustainability and efficiency.

About Plan APlan A, a subsidiary of Diginex Ltd, stands at the forefront of corporate carbon accounting and decarbonisation software in Europe. Our mission is to enable organizations to transform emissions intelligence into tangible financial outcomes. Through our AI-driven, TÜV-certified platform and dedicated expert support, we simplify emissions accounting, target setting, and reduction planning in compliance with GHG and SBTi standards. With a presence in Berlin, Paris, and London, we empower over 1,500 clients, including renowned brands like BMW, Visa, and KFC, to minimize costs, enhance efficiency, and cultivate sustainable long-term value via decarbonisation initiatives.We are on the lookout for a passionate, skilled, and collaborative Senior Frontend Engineer to enhance our Product Engineering team!

Role Overview enertrag AG is hiring a Senior Manager of Network Economics for its Berlin office. This leadership role focuses on guiding key projects that shape the company's strategy in sustainable energy. The position calls for hands-on work with teams across the organization to improve network operations and economic outcomes. What You Will Do Lead projects that impact enertrag AG’s approach to sustainable energy solutions Work closely with colleagues from different departments to optimize network operations Drive initiatives to strengthen economic performance within the network Ensure all activities comply with relevant regulatory standards and frameworks Location Berlin

Join our dynamic team at Ramboll as a Senior Engineer specializing in Object Planning and Project Management for Road Bridges. In this key role, you will lead multifaceted projects, ensuring the highest standards of engineering excellence and compliance with safety regulations. Your expertise will be pivotal in driving project success from inception through to completion.

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 innovative team at dreessommerse as a (Senior) Civil Engineer specializing in Infrastructure Planning for Energy Projects. In this pivotal role, you will be responsible for designing and implementing sustainable solutions in energy infrastructure, contributing to both project success and environmental stewardship.

At FlixTrain, we offer secure employment opportunities with above-average compensation and excellent additional benefits. You will have the chance to develop in a dynamic environment where your impact truly matters.As a strategic leader, you will play a key role in shaping the commercial development of FlixTrain. You will be responsible for the service portfolio, advance our network, and ensure that demand, capacity, and economic goals are consistently aligned. Together with your team, you will create the decision-making foundations for growth and profitability – from long-term expansion to the annual schedule.

Role overview enertrag is looking for a Senior Manager of Network Connections to strengthen its Berlin team. This role focuses on leading strategic efforts to improve network connectivity and infrastructure across the organization. What you will do Oversee projects that shape and upgrade network connections, from early planning through to implementation. Set and uphold high standards for network efficiency and reliability. Work closely with colleagues across different departments to support company growth and new ideas. Location Based in Berlin.

Join the innovative team at dreessommerse as a Planer in the dynamic EPCM industry. In this pivotal role, you will be at the forefront of network planning and energy infrastructure development focused on medium voltage technology. Your expertise will help shape the future of energy solutions.

Join our dynamic team at Ramboll as a Senior Engineer specializing in HVAC systems for data centers. In this pivotal role, you will leverage your expertise in designing and implementing efficient heating, cooling, and ventilation systems tailored to high-performance data environments.You will be instrumental in delivering innovative solutions, ensuring energy efficiency, and meeting stringent industry standards. Collaborate closely with multidisciplinary teams to drive projects from conception through execution, ensuring that all designs align with the client’s vision and operational requirements.

Join Synthflow AI, a revolutionary no-code platform designed for deploying voice AI agents that transform contact center operations and business process outsourcing (BPO) at scale. We empower mid-market and enterprise companies to efficiently manage routine calls, ultimately saving valuable time and resources for their teams.Our voice AI agents have made a significant impact:Saved over 5 million hours in contact center operationsIncreased call answering rates by 35% compared to non-AI operatorsHandled 45 million calls with an impressive 99.9% uptimeSupported by leading investors such as Accel, Atlantic Labs, and Singular, we are proud to serve over 1,000 customers and drive an industry shift towards advanced and accessible conversational AI.About the Role:We are seeking a Senior Python Engineer to develop robust, production-grade software and backend systems, focusing on databases, scalable APIs, and core engineering principles.Your Key Responsibilities:Design, develop, and maintain our backend infrastructure, ensuring scalability, performance, and reliability.Create and enhance data models and persistence layers with a strong emphasis on PostgreSQL best practices, including schema design, migrations, query optimization, indexing, and transactions.Develop and support enterprise-grade APIs using FastAPI, focusing on versioning, authentication/authorization, and observability.Participate in pair programming to foster code quality and team collaboration.Manage deployments and environments with Kubernetes and GitOps practices (ArgoCD).Conduct code reviews, offering constructive feedback and ensuring adherence to best practices.Contribute to end-to-end product delivery, including occasional front-end feature development when necessary.Qualifications:5+ years of experience as a Python developer, successfully delivering production systems.Proven expertise in building scalable and extensible data infrastructures.Strong familiarity with relational databases, particularly PostgreSQL (performance tuning, migrations, transactions).Experience in developing and maintaining enterprise-grade APIs using FastAPI.Solid understanding of engineering fundamentals and best practices.

Are you passionate about designing expansive and architecturally challenging bridges? Do you enjoy collaborating closely with architectural firms? Are you eager to contribute to sustainable construction planning and help create future-oriented infrastructure?If your heart is racing, you are exactly where you need to be. Join our team and help us develop outstanding examples of quality construction culture and shape the mobility transition.Your new roleAs a Senior Engineer, you will be responsible for:Independently leading projects as a Project Manager or Sub-Project Manager (m/f/d)Planning pedestrian and bicycle bridges of all typesLong-span bridges, including cable-stayed bridges, suspension bridges, and network arch bridgesLightweight bridgesLeading competitions in collaboration with architects (m/f/d)Mentoring younger colleagues (m/f/d) and sharing your experienceManaging and supporting acquisition projectsYour new teamYou will be part of the “Bridges & Structures” department with its headquarters in Hamburg and additional locations in Berlin, Düsseldorf, and Munich. At Ramboll, we value interdisciplinary collaboration and aim to provide all services from a single source, working closely with colleagues (m/f/d) in architecture, geotechnics, environmental planning, landscape architecture, lighting design, construction logistics, and more.We appreciate flexible work environments that allow us to either work quietly in smaller closed areas or gather at larger tables as a team.We cherish the opportunity to exchange ideas with our international colleagues (m/f/d) across Ramboll, including in Denmark, Finland, the UK, and India.Your ProfileYou hold a degree in civil engineering with a focus on structural engineering (M.Eng., M.Sc., Dipl.-Ing., Dr.-Ing.) and have extensive relevant professional experienceExperience or interest in successfully handling competitions would be advantageousYou possess a confident and competent presence and excel in communication and teamworkFluent German and English skills complete your profileWhat We OfferFlexible working hours and locationsHybrid work model: 2-3 days of remote work per weekPermanent employment, possibly part-timeA highly subsidized ‘Germany Ticket’Contributions to company pension schemes and disability insuranceReady to make a difference?

About dltHubdltHub is at the forefront of innovation, leveraging the dlt library, a leading open-source Python tool for data loading with approximately 4 million downloads monthly. We are on a mission to develop the next generation of AI-native data tools built upon our robust open-source foundation.Our team is agile and thrives on experimentation, automation, and user-centric AI workflows. Founded by seasoned data scientists and machine learning engineers, we have our roots in Berlin and a burgeoning presence in the United States.We are supported by prominent investors including Bessemer Venture Partners, Foundation Capital, Dig Ventures, and technical pioneers from Hugging Face, Instana, Matillion, and more. Our core values drive us: we communicate with courage, prioritize meaningful projects, automate continuously, maintain high energy, honor our commitments, and achieve success collectively. About the RoleAs we continue to enhance our AI-first data platform, we are seeking a passionate and entrepreneurial software engineer in Berlin. This role offers the opportunity to tackle data platform challenges related to ingestion, storage, performance, reliability, observability, and AI-enhanced developer experiences. If you are driven, eager to collaborate with a motivated team, and prioritize high-quality code and innovative data systems, this position is tailored for you.

Are you ready to take your career to the next level? Join dev2 as a Senior Data Engineer specializing in Python and play a pivotal role in our data-driven projects. You will work closely with cross-functional teams to design and implement scalable data solutions that drive innovation and efficiency.In this role, you will:Design, develop, and maintain data pipelines and ETL processesCollaborate with data scientists and analysts to optimize data storage and retrievalEnsure data quality and integrity through rigorous testing and validationContribute to architectural discussions and guide best practices

About the Role octoenergy is looking for a Fullstack Engineer (m/w/d) with experience in Next.js and Python to join the Berlin team. This position focuses on building and improving our customer portal and the broader ecosystem supporting heat pumps. What You Will Do Develop and maintain features for the customer portal using Next.js and Python. Work on projects that shape how clients interact with our energy solutions. Contribute to products that support more sustainable energy use. Location This role is based in Berlin, Germany.

About the Role enertrag AG is looking for a Department Head of Networks (m/w/d) to oversee network operations in Berlin. This leadership position focuses on guiding a skilled team and improving how network projects run, with a strong emphasis on efficiency and quality in the renewable energy field. What You Will Do Lead and support the networks team to achieve project goals Optimize network operations and processes Promote efficiency and high standards across all network projects Drive improvements that align with the demands of the renewable energy sector Location Berlin