(Senior) Manager Development Residential (m/w/d) | (Senior) Manager Projektentwicklung Wohnungsbau (m/w/d)

Flexa

SHORT FACTS •      Location: Munich, Germany •      Employment Type: Full-Time, indefinite term •      Salary Range: € 95,000 – 115,000 per year gross, depending on seniority level •      Office First work setup •      Language Requirement: C1 Level English Your Role We are looking for a Quantitative Developer to tackle the software, data, and integration challenges across our Virtual Power Plant (VPP) ecosystem. You will drive and own the roadmap for developing algorithmic execution strategies in the German intraday power market. As our VPP infrastructure matures, you will steadily increase your focus on research on execution-price improvement and market-impact modelling. Your software-engineering work will centre on architecture design, testing, and project coordination. YOUR RESPONSIBILITIES * Contribute to the technical vision for how Flexa trades flexibility across energy markets and hardware assets, and help make it a reality * Identify new market opportunities and residential flexibility value to shape the data science roadmap and next-gen algorithms * Champion engineering rigor and best practices to foster an open, data-driven engineering culture. * Implement, deliver, and monitor well-engineered, data-driven solutions in our real-time production systems  * Be part of a cross-functional team of data scientists, software engineers, and other teams across Flexa's partner ecosystem  * Research, develop, and productionise algorithms and models that optimise financial returns from trading the flexibility of Flexa’s residential battery portfolio * Drive the delivery of complex, trading strategy projects from research to production deployment and monitoring — anticipating dependencies and resolving them early * Opportunity to guide and develop more junior colleagues through design review, code review, and structured feedback YOUR PROFILE MANDATORY REQUIREMENTS * University degree in a data-driven or analytical field (Computer Science, Mathematics, Physics, Statistics, or a related quantitative discipline) * 5+ years applied data science and/or quant experience, with significant time spent developing trading algorithms in the energy or financial sectors * Proficiency in Python and software engineering practices: testing, code quality, code review, CI/CD, monitoring, and modular code design * Cross-functional collaboration mindset across data scientists, software engineers, and partner-company stakeholders * Deep understanding of trading mechanics: price formation, market microstructure, risk, and the constraints that turn a backtest into a live strategy * Strong knowledge of probability and statistics, incl. time-series data processing, analysis, and forecasting, with a focus on streaming settings * Excellent English communication and interpersonal skills * Independent research experience, excellent analytical skills with strong attention to detail, and the ability to manage multiple tasks in a fast-paced team environment are essential. SKILLS TO SET YOU APART * Experience designing or owning real-time or near-real-time analytics workflows * Direct experience with energy trading, especially for the flexibility of battery storage systems * Expertise in designing algorithmic trading strategies and modelling market impact within intraday continuous markets * Substantial background in forecasting intraday price movements, modelling order book dynamics, and market microstructure * Experience with both Machine Learning and mathematical optimization development * Proven track record of taking models from research into reliable production on AWS (or comparable cloud) At Flexa, we are committed to diversity — of backgrounds and experiences. You don’t need 100% of the listed requirements to apply. BENEFITS *  Virtual Share Options: we offer virtual share options to all our employees * Professional Development: annual development budget of €3,000 for coachings, trainings, books, and similar * Health & Sport Subsidy: company-subsidised sports facilities membership, or Public Transportation Subsidy * Lunch/Dinner Allowance Vouchers: allowance for meals on working days as digital meal vouchers * Work Equipment: MacBook or Windows laptop, iPhone (also for private use), and an ergonomic workplace setup with company-funded access to leading AI developer tools * Regular Team Events: knowledge sessions, afterwork, sports, offsites, Halloween, Pride Month, and more A SHORT NOTE FROM YOUR FUTURE LEAD Sébastien Schikora — Chief Technology Officer Sébastien Schikora has been Chief Technology Officer at Flexa since the beginning. He was previously CTO at KONUX (2018–2022), Senior Manager at Tesla in energy storage systems (2015–2018), VP Product Development at Networked Energy Services (NES), and held Director of Product Management and other roles at Echelon Corporation for six years. Earlier in his career he worked on enterprise software at Hewlett Packard. LinkedIn profile

GROPYUS

About The Company GROPYUS is a technology-based construction company focused on building multi-story residential buildings. Thanks to its prefabricated building system with various design options, industrial offsite construction, and fully digitalized processes, the company manufactures aspirational, sustainable, and affordable homes using timber construction methods. GROPYUS is using scalable construction and manufacturing solutions to tap into a future market, boost Europe's strength in innovation, while also playing a substantial role in improving sustainability. ABOUT THE ROLE: We’re looking for a Senior Strategic Sourcing Manager (all genders) to help shape and scale our Procurement function in Berlin. You will establish and implement strategic procurement processes, build the first material group strategies and drive their end-to-end implementation. You will prepare and lead contract negotiations and contribute to the professionalisation and digitisation of Procurement. Material Groups in Scope: * Timber / CLT (cross-laminated timber) and related engineered wood products * Steel (structural steel, connectors, fasteners, profiles) * Windows / Façade systems (glazing, frames, façade elements, seals) * MEP (Mechanical, Electrical, Plumbing) including HVAC, electrical components, piping and sub-assemblies WHAT YOU'LL BE DOING: 1) BUILD STRATEGIC PROCUREMENT FOUNDATIONS * Establish and implement strategic procurement processes (e.g., sourcing methodology, governance, templates, KPIs). * Develop the first material group strategies (category roadmaps, supplier landscape, TCO logic, risk and sustainability criteria) and drive implementation across the organisation. * Shape supplier segmentation and SRM routines (performance reviews, development plans, risk mitigation). * Ensure cross-functional alignment with Engineering, Production, Quality and Project teams to translate requirements into scalable sourcing strategies. 2) LEAD SOURCING & NEGOTIATIONS * Own supplier discovery, RFx, benchmarking and award decisions for construction-material categories. * Prepare and execute commercial and contractual negotiations (pricing, frameworks, terms & conditions) in collaboration with Legal/Finance and key stakeholders. * Drive supplier qualification and continuous improvement with a focus on availability, quality, lead times, and total cost. * Build strong partnerships across Europe and proactively manage supply risks (capacity, market volatility, compliance). 3) ENABLE PROCUREMENT PROFESSIONALISATION & DIGITISATION (PICK YOUR IMPACT LANE) Depending on your strengths, you will own workstreams in one of the following areas to make Procurement scalable, transparent and data-driven. Process Management * Design and roll out scalable end-to-end processes (Source-to-Contract / Procure-to-Pay). * Define roles, approvals and standards; develop playbooks and templates (RFx, negotiation, contract standards). Data Analytics * Build spend and category transparency; define a KPI framework (savings, supplier performance, delivery reliability, risk). * Create decision-ready dashboards and routines for performance and savings tracking. Process Automation * Identify automation opportunities (workflows, approvals, master data, reporting) and drive implementation with tool owners. * Improve data quality and process compliance through smart tooling and standardisation. Communication & Change Management * Create change narratives, communication plans and training formats to ensure adoption of new processes and tools. * Facilitate workshops and enable stakeholders to work effectively with the new procurement set-up. WHAT YOU BRING: * 5-7 years of experience in procurement consulting OR 7-10 years of professional expertise in strategic sourcing setting up and implementing material group and dual-sourcing strategies with measurable impact. * Strong negotiation and contracting skills; structured, ownership-driven working style. * Analytical mindset (TCO, supplier performance, risk) and ability to translate insights into action. * Confident communicator, strong stakeholder management, and a collaborative approach in cross-functional set-ups. * Fluency in both English and German (min. B2 level) * Nice to have: * Experience with ERP/procurement systems (e.g., SAP S/4HANA) and data-driven procurement routines. * Knowledge of construction-material markets and supplier landscapes (timber/CLT, steel, windows/façade, MEP) How To Apply: Send us your CV and, if you like, a short note highlighting: (1) the categories/material groups you’ve owned, (2) negotiation and contracting experience, (3) examples of process build-up and/or digital procurement initiatives, and (4) your preferred impact lane (Process / Analytics / Automation / Change). WHAT WE OFFER: * Be part of something big: You’re here to make a change? Come on board. At GROPYUS, we are on a mission to re-think an entire industry. Join us in reinventing construction and sustainable, affordable living.  * It’s on you: We offer a tremendous amount of ownership and room to make a mark - at all our organization levels. Find your solutions, drive and test them. * Focus on results: You choose if you work from home, a park, or the office. Whether you start your day early, after your run, or pick up on work when your kids are in bed. What counts is your contribution and delivery. * Bring your uniqueness to the team: Innovation requires diversity of thought. Diversity in background, experience and thinking is crucial to create the best product for everyone. We actively seek diversity and strive to unlock each other’s full potential. We are very proud that people from all industries and all walks of life are joining our company – in addition to core areas such as construction, engineering, and start-ups, from stock-listed companies from across automotive e-Commerce, digital, sporting goods, and more. You will work in international teams with passionate colleagues. Inspire and be inspired. * Be an owner: Participate in the success of GROPYUS through stock options.   JOIN US ON OUR MISSION TO DESIGN BUILDINGS AS CONTINUOUSLY EVOLVING PRODUCTS TO CREATE THE MOST EXCITING AND AFFORDABLE EXPERIENCE FOR ALL. WE BUILD FOR PEOPLE AND CONSERVE THE RESOURCES OF OUR PLANET. WE CAN'T WAIT TO GET TO KNOW YOU.  FOR MORE INFORMATION, VISIT OUR WEBSITE, AND IF YOU HAVE ANY QUESTIONS, PLEASE REACH OUT TO US VIA EMAIL.

Flexa

SHORT FACTS * Location: Munich, Germany * Employment Type: Full-Time, indefinite term * Salary Range: € 95.000 - 115.000 per year gross depending on the seniority level * Office First work setup * Language Requirement: C1 Level English YOUR RESPONSIBILITIES * Research and develop algorithms that optimize utilization in the Virtual Power Plant through smarter aggregation, disaggregation, and dispatch * Model, implement, and iterate on real-time dispatch optimization and control problems for Flexa's residential battery portfolio * Design and run experiments to evaluate dispatch policies and attribute outcomes against forecasts and market behaviour * Take models from research into reliable production: implement, deliver, and monitor well-engineered, data-driven solutions in our real-time systems on AWS * Opportunity to guide and develop more junior colleagues through design review, code review, and structured feedback * Be part of a cross-functional team of data scientists, software engineers, and other teams across Flexa's partner ecosystem  YOUR PROFILE MANDATORY REQUIREMENTS * University degree in a data-driven or analytical field (Operations Research, Applied Mathematics, Computer Science, Physics, Energy Engineering, or similar quantitative discipline) * 5+ years industry experience in applied data science * Mathematical optimization / OR experience. Hands-on with LP/MILP and MPC-style receding-horizon methods       * Strong analytics and experimentation discipline — designing experiments and analysing results carefully, including counterfactual and regret reasoning * Energy domain background — markets, batteries, grid; understanding how the physical asset, the market, and the grid interact * Proficiency in Python and software engineering practices: testing, code quality, code review, CI/CD, monitoring, and modular code design * Proven track record of taking models from research into reliable production on AWS (or comparable cloud) * Excellent English communication and interpersonal skills * Cross-functional collaboration mindset across data scientists, software engineers, and partner-company stakeholders * Independent research experience, excellent analytical skills with strong attention to detail, and the ability to manage multiple tasks in a fast-paced team environment are essential. SKILLS TO SET YOU APART * Direct experience optimizing battery dispatch, demand response, or aggregated DER portfolios * Hardware or embedded experience, and comfort with real-time / low-latency systems  * General machine learning experience — supervised learning, model evaluation, and knowing when ML is (and isn't) the right tool alongside optimization * Control background — MPC, receding-horizon control, or state-space methods for time-coupled decision-making At Flexa, we are committed to diversity — of backgrounds and experiences. You don’t need 100% of the listed requirements to apply. BENEFITS * Virtual Share Options: We offer virtual share options to all our employees * Professional Development: Annual development budget of 3,000 € for coachings, trainings, books, etc * Health & Sport Subsidy: Company subsidised sports facilities membership or Public Transportation Subsidy: Monthly subsidy for your public transport ticket * Lunch/Dinner Allowance Vouchers: Allowance for meals on working days as digital meal vouchers * Work Equipment: MacBook, an ergonomic workplace setup, and company-funded access to leading AI development tools so you always have the best tools available * Regular Team Events: Knowledge Sessions, Afterwork, Sports, Offsites, Halloween, Pride Month, etc. A SHORT NOTE FROM YOUR FUTURE LEAD Sébastien Schikora - Chief Technology Officer Hi there! I'm Sebastien Schikora, serving as the CTO at Flexa since the beginning. My diverse career journey has provided me with a range of experiences with a deep dive in the energy industry and the functioning of the grid specifically. In the last years, I was: * CTO at KONUX from September 2018 to April 2022, where I played a pivotal role in shaping the company's tech landscape and products. * Sr. Manager at Tesla from November 2015 to July 2018, leading the development of energy storage systems and mobile apps. * Vice President of Product Development at Networked Energy Services (NES) Corporation from October 2014 to November 2015, launching a new company and product line in the grid digitalization space. * At Echelon Corporation,  I held various roles over six years, including Director of Product Management and Development in the Grid Modernization Division. * Before my endeavors in the Energy Industry I was working for Hewlett Packard in the Enterprise Software group for a little over 10 years. I'm all about pushing the boundaries of technology and driving progress in our industry. I spent the majority of my career in the Silicon Valley in California and apply a lot of the methods and drive to my workplace here in Munich.  Our team is the basis of our success, and I'm dedicated to fostering a collaborative, innovative and goal driven work environment. If you're ready to be a part of our international crew and share our vision for groundbreaking tech solutions, I encourage you to explore opportunities within our organization. Thanks for considering joining us, and I look forward to the possibility of working together to achieve remarkable things. Best regards, Sebastien Schikora