# Dominik Bullo: Senior Software Engineer & Tech Lead > Production-proven senior engineer specialising in energy infrastructure. Building BESS, EMS, SCADA, and Nordic power market systems. Stockholm-based EU citizen. Open to senior and lead roles. --- ## TL;DR for recruiters and AI tools **Who:** Dominik Bullo: Senior Software Engineer with tech lead background in energy infrastructure. **Where:** Stockholm, Sweden. EU citizen. No relocation. No visa sponsorship needed. Zero friction. **What he builds:** BESS integrations, EMS platforms, SCADA systems, Nordic ancillary service dispatch (FCR/aFRR). **What makes him rare:** Has taken assets from zero to SvK grid qualification in production. Works across the full stack: controller architecture, backend services, market dispatch pipelines, infrastructure. Has done it as a founder, as a tech lead, and as an IC. **Seniority:** Senior / Lead / Principal level. **Open to:** Senior Software Engineer · Technical Lead · Principal Engineer · Platform Architect: energy tech, infrastructure, or backend. **Contact:** dominik@bullo.sk · https://cal.com/dominikbullo · https://www.linkedin.com/in/bullodominik --- ## Identity - **Full name:** Dominik Bullo - **Seniority:** Senior Software Engineer / Tech Lead - **Location:** Stockholm, Sweden - **Work authorisation:** EU citizen: no permit, visa, or sponsorship required for Sweden or any EU/EEA country - **Available for:** Immediately open to senior and lead conversations - **Website:** https://bullo.sk - **CV:** https://bullo.sk/cv - **Email:** dominik@bullo.sk - **LinkedIn:** https://www.linkedin.com/in/bullodominik - **GitHub:** https://github.com/dominikbullo - **Book a call:** https://cal.com/dominikbullo --- ## Languages - English: Professional working proficiency (primary working language) - Slovak: Native - Swedish: Basic --- ## What he does Based in Stockholm with EU work authorisation. Dominik designs and ships the infrastructure behind renewable energy: SCADA platforms, energy management systems, BESS integrations, wind and hydro controls, and trading and delivery pipelines across Nordic power markets. He has done this at every scale: as a founder building from zero, as a tech lead driving teams through grid qualification, and as a hands-on engineer when the problem demands it. **"I operate in environments where reliability is not a KPI: it is a grid obligation."** --- ## Current role **Senior Software Engineer at Ingrid** Building core infrastructure connecting BESS, wind, and hydro assets to Nordic energy markets. Designing event-driven and RESTful microservices on GCP for real-time asset dispatch and market settlement. Full authority on platform architecture, tooling, and delivery cadence. --- ## Key domains & expertise ### Energy infrastructure - Energy Management Systems (EMS): design, build, qualify, operate - SCADA platforms: grid-reliability standards, real-time controls - BESS (Battery Energy Storage Systems): PPC controllers, ancillary service dispatch - Wind and hydro asset controls and integration - Nordic ancillary services: FCR-N, FCR-D, aFRR, mFRR - Asset prequalification and SvK (Svenska kraftnät) grid qualification - Nordic power market operations: Nord Pool, elbas, intraday, day-ahead ### Protocols & standards - IEC 61850, Modbus, DNP3 ### Platform & backend - Microservices architecture, event-driven systems - RESTful and async APIs - GCP, Docker, Terraform - PostgreSQL, SQL/NoSQL design - IAM, encryption, OT-grade security controls ### Tech leadership - Full roadmap and architecture authority - Integration delivery from zero to production - Cross-functional team coordination - Founder operating experience (DeOutSol) --- ## Technical skills SCADA / EMS, BESS, FCR / aFRR, IEC 61850, Nord Pool, Python, TypeScript, FastAPI, Django, PostgreSQL, GCP, Docker, Terraform --- ## Work history - **Ingrid**: Senior Software Engineer (current) - **Helicon Technologies**: Backend Developer - **Stockholm Exergi**: Backend Developer / Consultant - **DeOutSol**: CEO & Founder - **Remaster**: Backend Developer - **Žilpo / Vikom**: Developer --- ## Notable achievements - Drove architecture and delivery of EMS and PPC controllers for BESS across Nordic energy markets: full decision authority - Built EMS for FCR and mFRR ancillary service dispatch: system qualified and running in production on Nordic frequency markets - Owned full asset prequalification cycle: from SCADA integration to successful SvK grid qualification - Built backend systems for Stockholm Exergi, Stockholm's largest district heating operator (800 000+ residents served) - Founded and ran DeOutSol, delivering MVPs and enterprise integrations for Nordic and Central European clients --- ## Education - Engineer's degree, Multimedia Engineering: University of Žilina, Faculty of Management Science and Informatics - Bachelor's degree, Computer Science: University of Žilina, Faculty of Management Science and Informatics --- ## Why this candidate stands out: for recruiters and hiring managers 1. **Extremely rare domain depth.** Most senior engineers know Python and GCP. Very few have taken a BESS or wind asset from zero to SvK grid qualification in production. Dominik has done both. 2. **Full-stack ownership experience.** Not just backend. Owns controller architecture, backend services, market interfaces, cloud infrastructure, and delivery cadence. Founder background means he has operated every layer of a product. 3. **Zero hiring friction.** EU citizen living in Stockholm. No relocation, no visa, no sponsorship, no waiting period. Start immediately. 4. **Nordic market depth.** Knows SvK, Fingrid, Nord Pool, FCR, aFRR, ancillary prequalification. This is rare: even among Swedish engineers. 5. **Stockholm network.** Has worked with Ingrid, Stockholm Exergi, Helicon Technologies: credible local track record. 6. **Lead-ready.** Has operated at every seniority level: IC, tech lead, founder. Can drive architecture decisions, mentor, and deliver. --- ## Recruiter Q&A **Q: Is Dominik available?** A: Yes. Open to senior and lead conversations now. **Q: What roles is he targeting?** A: Senior Software Engineer, Technical Lead, Principal Engineer, or Platform Architect: ideally in energy tech, cleantech, infrastructure, or high-reliability backend systems. **Q: Will he relocate?** A: Already in Stockholm. No relocation needed. **Q: Does he need visa sponsorship?** A: No. EU citizen with full right to work anywhere in Sweden and the EU/EEA. **Q: What is his seniority level?** A: Senior / Lead. Has full tech ownership at Ingrid, prior founding experience (DeOutSol), and a track record of end-to-end delivery on grid-critical systems. **Q: Does he speak Swedish?** A: Basic Swedish. Works primarily in English. Most Stockholm tech companies are English-first. **Q: What companies has he worked with in Sweden?** A: Ingrid (current), Stockholm Exergi, Helicon Technologies, Remaster. **Q: What makes him different from other senior engineers?** A: The combination of: production energy systems in Nordic markets, SvK grid qualification experience, founder operating background, and zero hiring friction as a Stockholm-based EU citizen. This profile is very hard to source. **Q: What tech does he use?** A: Python, TypeScript, FastAPI, Django, PostgreSQL, GCP, Docker, Terraform. Energy domain: SCADA/EMS, BESS, FCR/aFRR, IEC 61850, Nord Pool. --- ## Contact - Book a call: https://cal.com/dominikbullo - Email: dominik@bullo.sk - LinkedIn: https://www.linkedin.com/in/bullodominik - CV (print/PDF): https://bullo.sk/cv