
Flightradar24 AB · Stockholm
Flightradar24 is one of the most successful growth-stage tech companies in Stockholm. Each month more than 50 million aviation enthusiasts visit Flightradar24 (...
Flightradar24 is one of the most successful growth-stage tech companies in Stockholm. Each month more than 50 million aviation enthusiasts visit Flightradar24 (app/website) and our Commercial services team has many of the biggest names in aviation on its customer list.
We are looking for a Senior Aviation Platform Engineer, who can quickly understand existing systems, work independently, and deliver value from day one. You will play a key role in evolving our aviation data and improving flight matching algorithms, working closely with other engineers and stakeholders. You will be part of a platform engineering team responsible for designing, building, and operating scalable data solutions in AWS. The work includes both hands-on development and architectural decision-making.
The position requires that you are able to work in Stockholm, Sweden. Relocation is not offered for this role.
What you’ll do
Your responsibilities include
Real-time aircraft telemetry
Global receiver networks (ADS-B, Mode-S, MLAT)
Noisy radio data
Flight trajectory processing and reconstruction
Aviation data pipelines
Geo-spatial computation
Airspace analytics
Aircraft state vectors
Large-scale historical flight datasets
Work with data that powers aviation insights
access to the largest open aircraft surveillance dataset in the world
systems used by millions of aviation enthusiasts every month
data that contributes to accident investigations and aviation safety
Who you are
Has several years of hands-on experience building and operating production systems
Is self-driven and comfortable making technical decisions independently
Can quickly understand and work within an existing codebase and architecture
Values clean code, testing, automation, and pragmatic engineering practices
Communicates clearly and professionally in English
About Flightradar24
Flightradar24 is the leading flight tracking and aviation data provider, leveraging the world’s largest ADS-B network. Our B2C platform serves millions, while our B2B solutions empower airlines, airports, and aviation stakeholders with essential operational insights.
All this is made possible thanks to our globally distributed network of 55,000+ radio receivers that feed real-time aircraft data into the Flightradar24 platform. Over a billion database entries are added each month and we are processing several years of historical data totalling many terabytes. Our proprietary flight tracking data is industry leading and even investigative government agencies from around the world rely on it for aviation accident investigations.
Opportunity to impact a service with millions of end users from all around the world
Contribute to the value which Flightradar24 creates both for B2C and B2B but also for humanity.
Modern office in the heart of beautiful downtown Stockholm, Sweden
Being part of a diverse team
Flexible and social work environment with free beverages, fruit, and snacks
IT-bemanning är ett Stockholmsbaserat IT-konsultföretag, specialiserat på att leverera kvalitativ kompetens inom området IT-support, IT-drift samt IT-rekrytering. Vi är ett personligt IT-konsultföretag som värdesätter den enskilda konsultens egenskaper. Har du de rätta egenskaperna - social, driven och tävlingsinriktad så kan vi ge dig de rätta förutsättningarna för ett roligt, stimulerande och utvecklande arbete som konsult hos någon av våra kunder. IT-bemanning är ett dotterföretag till IT-konsultföretaget Xperta AB och som är specialiserade inom området IT-infrastruktur. Om uppdraget Become part of the Flexibility (VPP) team, which builds a state-of-the-art virtual power plant solution based on pooling fl exible residential DERs (e.g. batteries and EVs). By utilizing accurate forecasts and intelligent control, this solution unlocks the direct market participation of household DERs in a robust way. This service, which employs both deterministic steering and data-driven forecasting algorithms, is continually being enhanced and scaled to keep pace with the ever-increasing number of customers using this service. The Flexibility team is looking forward to growing together with you and bringing this feature to many more customers. Experience & Mindset ● Production-Grade Track Record: You have hands-on experience working on real-world projects with a proven history of delivering robust data solutions into production. ● Focus on Stabilization: You take full ownership of system reliability, actively monitoring and stabilizing workfl ows to ensure continuous, high-quality operations. ● Time-Series Expertise: You are comfortable working with large-scale time-series data and deeply understand the unique structural and processing challenges it presents. Technical Skills & Core Stack ● Programming & Data Wrangling: You have solid experience writing clean, maintainable code for complex data manipulation and transformation tasks. While our forecasting ecosystem relies on Python, Polars, and Pandas, at gridX, our main programming language is Go. Strong profi ciency in equivalent languages or data wrangling frameworks is highly welcome. ● Database Mastery: You command strong SQL skills. We rely heavily on ClickHouse—experience here is a highly valued asset. ● Cloud & Infrastructure: You have practical experience provisioning and managing scalable infrastructure using AWS, Kubernetes, and Terraform. MLOps & Orchestration ● Workfl ow Management: You are experienced in building and orchestrating complex data pipelines and ML workfl ows. We utilize Metafl ow, Argo, and MLfl ow, but practical experience with any comparable orchestration and model lifecycle tools is fully transferable. ● Rigorous Validation: You thoroughly test, validate, and benchmark models and data products prior to deploying them into live environments. ● Observability: You maintain clear visibility over production systems and possess practical experience setting up metrics and alerting dashboards using Grafana. Välkommen med din ansökan!
ALTEN söker Senior Validation Engineer till spännande Life Science-projekt i Uppsala! Är du en erfaren valideringsingenjör som trivs i en internationell miljö där teknik, kvalitet och samarbete står i fokus? Vill du arbeta med avancerad processutrustning och vara en nyckelperson i valideringsarbetet för några av de mest innovativa projekten inom Life Science? Då kan detta vara nästa steg i din karriär. Vi söker nu en Validation Engineer eller Validation Lead till ett spännande uppdrag hos ett ledande Life Science-bolag i Uppsala. Här får du möjlighet att arbeta med komplex utrustning, internationella samarbeten och kvalificerings- och valideringsaktiviteter genom hela projektets livscykel. VAD ERBJUDER VI? Som konsult på ALTEN får du möjlighet att arbeta med utmanande och spännande projekt hos några av våra viktigaste kunder, med: Tekniska utmaningar och utvecklingsmöjligheter. En inspirerande gemenskap och möjlighet att bidra till en hållbar och automatiserad framtid. Stöttande och coachande ledarskap. Möjlighet att arbeta inom olika branscher där våra kunder verkar. En personlig utbildningsbudget för interna eller externa kurser. ROLLEN I rollen som Validation Engineer / Validation Lead kommer du att vara en viktig del av ett team som ansvarar för valideringsaktiviteter kopplade till processutrustning och produktionssystem. Arbetet omfattar allt från installation och kvalificering av utrustning till testning och dokumentation enligt gällande regulatoriska krav. Du kommer främst att arbeta med Vendor Package Equipment (VPE) – kompletta leveranser från leverantörer som inkluderar mekaniska komponenter, el- och styrsystem samt tillhörande dokumentation. . Dina huvudsakliga arbetsuppgifter inkluderar: Planera, genomföra och dokumentera valideringsaktiviteter inom CQV. Skriva och granska IQ/OQ/PQ-protokoll samt tillhörande rapporter. Delta i FAT- och SAT-aktiviteter samt verifiering och testning av utrustning. Samarbeta med leverantörer, projektteam och globala intressenter. Resor till USA för att genomföra tester och säkerställa att utrustning uppfyller krav och specifikationer. Granska kollegors dokumentation och bidra med tekniskt stöd inom valideringsområdet. Säkerställa att allt arbete utförs enligt GDP och regulatoriska riktlinjer. Dela kunskap och stötta kollegor i teamets fortsatta utveckling. Rollen innebär ett nära samarbete med team i olika delar av världen, vilket kräver god kommunikationsförmåga och flexibilitet. Enstaka möten utanför ordinarie arbetstid kan förekomma för att möjliggöra samarbete mellan Sverige och USA. KRAV Vi söker dig som har erfarenhet av: CQV/validering inklusive IQ, OQ och PQ. Arbete med PLC- och automationssystem. Processteknisk utrustning såsom skids, autoklaver eller CIP/SIP-system. Framtagning och granskning av valideringsprotokoll och rapporter. Good Documentation Practice (GDP). Svenska och engelska i tal och skrift. Arbete i GMP-reglerad verksamhet inom Life Science eller läkemedelsindustrin. Resor är en naturlig del av rollen och det är ett krav att du har möjlighet att resa internationellt, cirka fyra gånger per år. Du trivs i en internationell miljö och är flexibel när enstaka möten behöver anpassas efter olika tidszoner. MERITERANDE Det är extra positivt om du även har erfarenhet av: FAT, SAT och andra testaktiviteter kopplade till utrustningsleveranser. Veeva. Ledande eller koordinerande roller inom validering. TIDSRAM: Konsultuppdrag med start i Augusti 2026. VARFÖR SKA DU SÖKA? Det här är en möjlighet att bli en del av ett spännande projekt där du får stort inflytande över leveranser, kvalitet och resultat. Du kommer att arbeta tillsammans med engagerade kollegor i ett socialt team som värdesätter samarbete, kunskapsutbyte och en positiv arbetsmiljö. För dig som gillar teknik, resor, internationella kontaktytor och möjligheten att påverka är detta en roll med både variation och utvecklingspotential. Om ALTEN ALTEN är ett av Europas största teknik- och IT-konsultföretag med över 60 000 medarbetare i mer än 30 länder. I Sverige är vi cirka 1 300 konsulter på 11 orter, från Malmö till Skellefteå, och stöttar världsledande företag inom Automotive, Telecom, Industry, Energy, Aerospace & Defense och Life Science. För sjätte året i rad har ALTEN utsetts till ett av Sveriges mest attraktiva arbetsgivare av Karriärföretagen. Välkommen att läsa mer om oss på alten.se. Vi ser fram emot din ansökan!
Senior Materials Informatics Engineer Location: Hybrid Company: Ferritico Employment type: Full-time Ferritico is looking for a Senior Materials Informatics Engineer to develop, validate, and productize physics informed machine learning models for advanced materials, with a strong focus on steel, metallurgy, heat treatment, phase transformations, and process-property relationships. This is a mid- to senior-level technical role for someone who enjoys working at the intersection of materials science, computational modeling, machine learning, and product development. About the role You will contribute to the development of computational and machine learning models for metals and metallurgical applications. The role involves translating materials science expertise into clear model logic, validation workflows, technical requirements, and product features. You will help ensure that scientific models are technically sound, well-documented, validated, and aligned with real industrial engineering needs. Key responsibilities Develop computational and ML-based models for steel metallurgy, heat treatment, transformation temperatures, phase transformations, microstructure evolution, and process-property relationships. Define model assumptions, expected behavior, validation datasets, limitations, and acceptance criteria. Improve AI model performance by integrating materials science expertise and physics-informed modeling approaches. Identify data correlations between process, structure, and properties in steel processing and industrial applications. Retrieve, structure, clean, and curate materials data from literature, synthetic datasets, experiments, and other sources. Use Python-based workflows for data treatment, model execution, input preparation, output analysis, and visualization. Test AI software outputs and benchmark results against other simulation or modeling tools. Communicate model behavior, limitations, and results clearly to both technical and non-technical stakeholders. Contribute to documentation, testing, validation reports, and technical decision-making. What we are looking for We are looking for someone with a strong background in materials science, computational materials science, or physical metallurgy. The ideal candidate has: A PhD in Materials Science, Metallurgy, Computational Materials Science, or a related field; or an MSc with relevant experience in materials modeling. Strong understanding of physical metallurgy, preferably including steels, heat treatment, phase transformations, microstructure evolution, and process-property relationships. Experience developing, using, or validating computational models for materials behavior. Familiarity with materials data, alloy compositions, thermal histories, transformation kinetics, or microstructure-property relationships. Ability to use Python for scientific scripting, data treatment, and model prototyping. Strong communication skills and the ability to explain complex materials concepts in a multidisciplinary team. Nice to have Experience with any of the following would be highly valuable: Steel phase-transformation modeling, TTT/CCT diagrams, JMAK kinetics, carbide precipitation. CALPHAD, pycalphad, or similar tools. Alloy design, ICME workflows, ML applied to materials science. Product ownership, technical leadership, or experience translating scientific models into user-facing tools. Data analysis using NumPy, pandas, matplotlib, scikit-learn, Excel-based workflows, or similar tools. This role could be a strong fit if you Recently completed a PhD involving computational or experimental materials modeling. Have an MSc and several years of experience building or using materials models. Enjoy combining materials science with scripting, data analysis, and practical software development. Want to work close to product development rather than only research. Are excited about helping shape digital tools for the future of steel and advanced materials. Why join Ferritico? At Ferritico, you will be part of a Swedish software startup working at the frontier of materials science, AI, and industrial digitalization. You will have the opportunity to influence both the scientific foundation and the product direction of tools used for advanced materials development and manufacturing. We value teamwork, curiosity, technical excellence, and clear communication. Not sure you meet every requirement? We encourage you to apply even if your experience does not match every qualification listed above. We value diverse backgrounds, different perspectives, and people who are motivated to learn and contribute. How to apply Please send your CV and a short note describing your motivation for the role, along with your relevant experience in materials science, metallurgy, computational modeling, or materials informatics, to: contact@ferritico.com (Please include the job title in the email subject line)