{"data":{"id":125642,"slug":"software-engineer-and-a-game-changer","type":"job","title":"Software Engineer and a Game Changer?","description":"Software Engineer \u2013 Building Software for the Energy Transition in the Age of AI\nWe are looking for an experienced Software Engineer to join St1's Software Engineering team \u2014 a team operating at the intersection of energy transition and modern software development.\nWe build and operate software products and solutions across multiple business domains, owning the full lifecycle from idea to production. Whether it is charging or fueling your car, enabling an automated car wash, or tracking how used cooking oil becomes sustainable biofuel, the software behind these experiences is built by our team.\nThis role is for an engineer who enjoys working close to the business while bringing strong technical expertise. You will collaborate with business stakeholders, architects, and technical specialists from early discovery and solution design through implementation and delivery. You are comfortable translating business needs into technical solutions and challenging assumptions when needed.\nBuilding software in the age of AI\nAt St1, AI is more than a coding assistant. We are exploring how software engineering should evolve in an AI-enabled world.\nYou will help shape new ways of working by building AI-integrated development pipelines, experimenting with agents, and exploring effective collaboration between humans and AI. We expect hands-on experience with modern AI tools, an understanding of their strengths and limitations, and curiosity to explore what comes next.\nHow you'll help drive the change\nAs a Software Engineer, you will:\nWork in a forward-deployed delivery team, connecting technical possibilities with business and customer needs.\nCollaborate with stakeholders, architects, technical specialists, and AI agents from requirements analysis through delivery.\nDesign, implement, test, and maintain scalable software solutions.\nContribute technical leadership and improve engineering practices across teams.\nBuild AI-enabled development tools and workflows and help shape AI-native ways of working.\nChallenge existing approaches and evaluate emerging technologies to ensure sustainable solutions.\n\nWhat you bring to the team\nTo succeed in this role, you likely have:\nA strong software engineering foundation with hands-on experience using AI in development. You have built with AI tools, understand their limitations, and want to explore their future potential.\nSolid experience with microservices and distributed systems.\nA full-stack background with a strong backend focus.\nStrong skills in Node.js (NestJS), TypeScript, .NET Core, and C#. Experience with Next.js, React, or Vue.js is a plus.\nExperience with Google Cloud, CI\/CD, and DevOps practices.\nUnderstanding of architecture patterns such as DDD, SOLID, Hexagonal Architecture, and MVC.\nAbility to write clean, testable, and maintainable code in both new and existing systems.\nHands-on experience with AI building blocks such as LLM APIs, RAG, vector databases, embeddings, agent frameworks, and standards such as MCP.\nStrong communication skills and the ability to work effectively with both technical and non-technical stakeholders.\nA proactive, collaborative, and solution-oriented mindset.\n6+ years of software development experience.\nA degree in Computer Science, Software Engineering, or equivalent experience.\nProfessional English skills; Nordic language skills are a plus.\n\nWho are we looking for?\nWe are looking for people who recognize the St1 Spirit: Curious, Commercial, Committed, and Caring.\nThis means creating an environment where people can be themselves, raising challenges early, taking ownership when things get difficult, thinking beyond team boundaries, and continuously learning as technology evolves.\nBring your experience, your perspective, and your ambition. Tell us what you can do \u2014 and what you want to build next.\nWhy join St1?\nShape how St1 builds software in the age of AI.\nCreate impact through products and services used by millions every day.\nGrow your career in software architecture, AI, data, or technical leadership.\nWork with a talented Nordic engineering community.\nEnjoy a culture built on trust, freedom, and responsibility.\nWork from Helsinki or Stockholm with excellent employee benefits.\nContribute to St1's vision of a more CO\u2082-aware energy future.\n\nHow we support your journey\nAt St1, your safety and wellbeing come first. We offer an inclusive, trust-based culture where you are encouraged to take ownership, explore ideas, and grow. You will have opportunities to collaborate across teams and countries, develop your skills, and contribute to meaningful technology solutions.\nWe offer competitive compensation, strong benefits, and an environment where your contribution matters.\nWhat to expect after you apply\nWe welcome applicants from all backgrounds and are committed to an inclusive and equitable recruitment process.\nInterested? Submit your CV and cover letter through the Barona Career site by Thursday, 14 August 2026.\nFor more information, please contact us during the August calling hours: Tuesday, 4 August, or Thursday, 6 August 2026, between 12:00 and 14:00.\nContact person:\nBarona Recruitment Team Lead Lassi Jyrinsalo\nPhone: +358 40 762 8992\nEmail: lassi.jyrinsalo@barona.fi\nLet's challenge the ordinary.\nINDTECH","language":"sv","is_translated":true,"title_original":"Software Engineer and a Game Changer?","description_original":"Software Engineer \u2013 Building Software for the Energy Transition in the Age of AI\nVi s\u00f6ker en erfaren mjukvaruingenj\u00f6r som vill bli en del av St1:s Software Engineering-team \u2013 ett team som arbetar i sk\u00e4rningspunkten mellan energiomst\u00e4llning och modern mjukvaruutveckling.\nVi utvecklar och f\u00f6rvaltar mjukvaruprodukter och l\u00f6sningar inom flera olika aff\u00e4rsomr\u00e5den och ansvarar f\u00f6r hela livscykeln \u2013 fr\u00e5n id\u00e9 till produktion. Oavsett om det handlar om att ladda eller tanka din bil, m\u00f6jligg\u00f6ra en automatiserad biltv\u00e4tt eller sp\u00e5ra hur anv\u00e4nd matolja omvandlas till h\u00e5llbart biobr\u00e4nsle, s\u00e5 byggs mjukvaran bakom dessa upplevelser av v\u00e5rt team.\nDen h\u00e4r rollen passar en ingenj\u00f6r som trivs med att arbeta n\u00e4ra verksamheten och samtidigt bidra med stark teknisk kompetens. Du kommer att samarbeta med aff\u00e4rsintressenter, arkitekter och tekniska specialister fr\u00e5n tidiga analyser och l\u00f6sningsdesign till implementation och leverans. Du \u00e4r bekv\u00e4m med att omvandla aff\u00e4rsbehov till tekniska l\u00f6sningar och att ifr\u00e5gas\u00e4tta antaganden n\u00e4r det beh\u00f6vs.\nAtt utveckla mjukvara i AI-eran\nP\u00e5 St1 \u00e4r AI mer \u00e4n bara ett hj\u00e4lpmedel f\u00f6r programmering. Vi utforskar hur mjukvaruutveckling b\u00f6r utvecklas i en v\u00e4rld d\u00e4r AI \u00e4r en integrerad del.\nDu kommer att bidra till att forma nya arbetss\u00e4tt genom att bygga AI-integrerade utvecklingsfl\u00f6den, experimentera med agenter och utforska effektivt samarbete mellan m\u00e4nniskor och AI. Vi f\u00f6rv\u00e4ntar oss att du har praktisk erfarenhet av moderna AI-verktyg, f\u00f6rst\u00e5r deras styrkor och begr\u00e4nsningar samt har en nyfikenhet p\u00e5 vad som kommer h\u00e4rn\u00e4st.\nS\u00e5 bidrar du till f\u00f6r\u00e4ndringen\nSom mjukvaruingenj\u00f6r kommer du att:\nArbeta i ett fram\u00e5triktat leveransteam d\u00e4r du kopplar samman tekniska m\u00f6jligheter med verksamhetens och kundernas behov.\nSamarbeta med intressenter, arkitekter, tekniska specialister och AI-agenter fr\u00e5n kravanalys till leverans.\nDesigna, implementera, testa och underh\u00e5lla skalbara mjukvarul\u00f6sningar.\nBidra med tekniskt ledarskap och f\u00f6rb\u00e4ttra utvecklingsmetoder inom team och organisation.\nBygga AI-baserade utvecklingsverktyg och arbetsfl\u00f6den samt bidra till att forma AI-anpassade arbetss\u00e4tt.\nUtmana befintliga metoder och utv\u00e4rdera ny teknik f\u00f6r att s\u00e4kerst\u00e4lla h\u00e5llbara l\u00f6sningar.\n\nDet h\u00e4r tar du med dig\nF\u00f6r att lyckas i rollen har du troligen:\nEn stark grund inom mjukvaruutveckling med praktisk erfarenhet av att anv\u00e4nda AI i utvecklingsarbetet. Du har byggt med hj\u00e4lp av AI-verktyg, f\u00f6rst\u00e5r deras begr\u00e4nsningar och vill utforska deras framtida m\u00f6jligheter.\nGedigen erfarenhet av mikrotj\u00e4nster och distribuerade system.\nEn fullstack-bakgrund med tydlig inriktning mot backend.\nGoda kunskaper i Node.js (NestJS), TypeScript, .NET Core och C#. Erfarenhet av Next.js, React eller Vue.js \u00e4r meriterande.\nErfarenhet av Google Cloud, CI\/CD och DevOps-metoder.\nF\u00f6rst\u00e5else f\u00f6r arkitekturm\u00f6nster som DDD, SOLID, hexagonal arkitektur och MVC.\nF\u00f6rm\u00e5ga att skriva ren, testbar och underh\u00e5llbar kod i b\u00e5de nya och befintliga system.\nPraktisk erfarenhet av AI-byggstenar s\u00e5som LLM-API:er, RAG, vektordatabaser, embeddings, agentramverk och standarder som MCP.\nGod kommunikativ f\u00f6rm\u00e5ga och f\u00f6rm\u00e5ga att samarbeta effektivt med b\u00e5de tekniska och icke-tekniska intressenter.\nEtt proaktivt, samarbetsinriktat och l\u00f6sningsorienterat f\u00f6rh\u00e5llningss\u00e4tt.\nMinst 6 \u00e5rs erfarenhet av mjukvaruutveckling.\nEn examen inom datavetenskap, mjukvaruteknik eller motsvarande erfarenhet.\nProfessionella kunskaper i engelska; nordiska spr\u00e5kkunskaper \u00e4r meriterande.\n\nVem s\u00f6ker vi?\nVi s\u00f6ker personer som k\u00e4nner igen sig i St1-andan: Nyfikna, Aff\u00e4rsm\u00e4ssiga, Engagerade och Omt\u00e4nksamma. Det inneb\u00e4r att skapa en milj\u00f6 d\u00e4r m\u00e4nniskor kan vara sig sj\u00e4lva, lyfta utmaningar tidigt, ta ansvar n\u00e4r saker blir sv\u00e5ra, t\u00e4nka bortom det egna teamets gr\u00e4nser och kontinuerligt l\u00e4ra sig i takt med att tekniken utvecklas.\nTa med din erfarenhet, ditt perspektiv och din ambition. Ber\u00e4tta vad du kan bidra med \u2013 och vad du vill bygga h\u00e4rn\u00e4st.\nVarf\u00f6r v\u00e4lja St1?\nForma hur St1 utvecklar mjukvara i AI-eran.\nSkapa verklig p\u00e5verkan genom produkter och tj\u00e4nster som anv\u00e4nds av miljontals m\u00e4nniskor varje dag.\nUtveckla din karri\u00e4r inom mjukvaruarkitektur, AI, data eller tekniskt ledarskap.\nArbeta tillsammans med en kompetent nordisk utvecklingsgemenskap.\nUpplev en kultur byggd p\u00e5 f\u00f6rtroende, frihet och ansvar.\nArbeta fr\u00e5n Helsingfors eller Stockholm med utm\u00e4rkta personalf\u00f6rm\u00e5ner.\nBidra till St1:s vision om en mer CO\u2082-medveten energiframtid.\n\nS\u00e5 st\u00f6ttar vi din utveckling\nP\u00e5 St1 st\u00e5r din s\u00e4kerhet och ditt v\u00e4lbefinnande i centrum. Vi erbjuder en inkluderande och tillitsbaserad kultur d\u00e4r du uppmuntras att ta ansvar, utforska id\u00e9er och utvecklas. Du f\u00e5r m\u00f6jlighet att samarbeta \u00f6ver team- och landsgr\u00e4nser, utveckla dina f\u00e4rdigheter och bidra till meningsfulla tekniska l\u00f6sningar.\nVi erbjuder konkurrenskraftig ers\u00e4ttning, starka f\u00f6rm\u00e5ner och en milj\u00f6 d\u00e4r ditt bidrag g\u00f6r skillnad.\nVad h\u00e4nder efter att du har ans\u00f6kt?\nVi v\u00e4lkomnar s\u00f6kande med olika bakgrunder och arbetar f\u00f6r en inkluderande och j\u00e4mlik rekryteringsprocess.\nIntresserad? Skicka in ditt CV och personliga brev via Barona Career-webbplatsen senast torsdag 14 augusti 2026.\nF\u00f6r mer information \u00e4r du v\u00e4lkommen att kontakta oss under v\u00e5ra telefontider i augusti: tisdag 4 augusti eller torsdag 6 augusti 2026 mellan kl. 12.00 och 14.00.\nKontaktperson:\nBarona Recruitment Team Lead Lassi Jyrinsalo\nTelefon: +358 40 762 8992\nE-post: lassi.jyrinsalo@barona.fi (mailto:lassi.jyrinsalo@barona.fi)\nL\u00e5t oss utmana det vanliga!\nINDTECH","price":null,"currency":"SEK","status":"active","noindex":false,"location":{"address":null,"full_address":null,"city":"Stockholn","country":"SE","latitude":59.354239223913,"longitude":17.951386893301},"metadata":{"region":"Stockholms l\u00e4n","duration":"Tills vidare","employer":"Barona Professionals AB","postcode":"16867","positions":1,"profession":"Systemutvecklare\/Programmerare","salary_type":"Fast m\u00e5nads- vecko- eller timl\u00f6n","scope_of_work":"100\u2013100 %","working_hours":"Heltid","contact_person":"Arja Martikainen","employment_type":"Vanlig anst\u00e4llning","occupation_field":"Data\/IT","employer_workplace":"St1 Nordic","experience_required":true},"user_id":null,"is_sponsored":false,"views_count":4,"ai_views_count":3,"ai_vendor_counts":{"openai":2,"anthropic":1},"visibility":"public","submission_source":null,"submission_ai_name":null,"has_owner_email":true,"can_contact_owner":true,"phone":"+358 40 762 8992","owner_email":"arja.martikainen@barona.fi","images":[],"published_at":"2026-07-20T17:53:10+00:00","expires_at":"2026-08-31T23:59:59+00:00","created_at":"2026-07-21T03:19:41+00:00","updated_at":"2026-08-20T02:46:22+00:00"}}