Staff / Principal Software Engineer, Platform

Lovable

TL;DR: We're looking for an exceptional senior engineer and technical leader for the security team to help make Lovable the most secure AI-powered software creation platform on the planet. Why Lovable? Lovable lets anyone and everyone build software with any language. From solopreneurs to Fortune 100 teams, millions of people use Lovable to transform raw ideas into real products - fast. We are at the forefront of a foundational shift in software creation, which means you have an unprecedented opportunity to change the way the digital world works. Lovable-built applications and websites are visited hundreds of millions of times a month, and our enterprise footprint is compounding fast. And we’re just getting started. We’re a small, talent-dense team building a generation-defining company from Stockholm. We value extreme ownership, high velocity, and low-ego collaboration. We seek out people who care deeply, ship fast, and are eager to make a dent in the world. What we’re looking for * 10+ years of engineering experience shipping production-grade products at high velocity, with a track record operating at senior engineering levels. * Deep, fluent command of React/TypeScript on the frontend and Golang on the backend. * Experience in one or more of: product security features (audit flows, compliance tooling, scanner interfaces), or code security and static analysis (SAST, linters, vulnerability scanners, or similar). * Solid understanding of systems design, performance tradeoffs, and scalable architecture. * Strong product sense - you can take something complex and make it feel simple and actionable for the user. * Familiarity with AI/LLM-powered tooling, or a background that involved dense algorithmic or systems work. * You're comfortable navigating ambiguity and driving clarity at an organisational level, not just technically. * You're based in Stockholm or ready to relocate - this is an on-site, 5-days-a-week role. What you’ll do In one sentence: Build the security features and systems that make Lovable the most trusted AI software creation platform in the world. * Build security product features end-to-end - audit flows, security scanner UI, compliance tooling, design and implement static analysis and more. * Integrate AI/LLM capabilities into security workflows to detect, explain, and remediate vulnerabilities. * Ship across the full stack as part of a small, self-sufficient team, owning your work from the first commit to production. * Advocate for secure coding practices, conduct security-focused code reviews, and raise the bar across the engineering org. * Influence our technical direction and product strategy with a security-first mindset. Our tech stack * Frontend: React and Typescript. * Backend: Golang and Rust. * Cloud: Cloudflare, GCP, AWS, multiple LLM providers. * DevOps & Tooling: GitHub Actions, Grafana, OTEL, infra-as-code (Terraform). * Data: Clickhouse, Firestore, Spanner, BigQuery. And we’re always exploring what’s next! About your application Please submit your application in English. It’s our company language, so you’ll be speaking lots of it if you join. We treat all candidates equally - if you’re interested, please apply through our careers portal.

Epidemic Sound

JOIN OUR GLOBAL FORCE OF 400+ INNOVATORS, BLENDING THE LATEST IN TECH WITH THE GREATEST IN SOUNDTRACKING, FROM OUR STOCKHOLM HQ TO OFFICES IN LONDON, NEW YORK, LOS ANGELES, BERLIN, PARIS, OSLO, AND SEOUL. WE’RE AN INDUSTRY LEADER WITH A STARTUP MENTALITY. WE TAKE WHAT WE DO SERIOUSLY, BUT WE DON’T TAKE OURSELVES TOO SERIOUSLY. CREATING AND COLLABORATING TO TRANSFORM THE SOUND OF STREAMING, CONTENT, AND CULTURE. COME JOIN US, AND LET THE WORLD FEEL YOUR WORK. We're Looking For a Staff Software Engineer – AI & Automation We're building a new Productivity Engineering team, and you'll be the founding engineer of an internal platform that lets non-engineers build, deploy, and host agents and applications. This means your decisions will shape the architecture, the developer experience, and the culture of the team for years to come. YOUR KEY RESPONSIBILITIES INCLUDE: Operating with an AI-first mindset, you will leverage AI, agents and technical logic to: * Architect and build the foundational platform that enables business users across the organisation to create, deploy, and manage internal applications and agents without requiring engineering support. * Own the end-to-end design of this platform, from infrastructure and hosting to the self-service interfaces and guardrails that make it safe and approachable for non-technical users. * Establish the patterns, integrations, and building blocks that connect to core enterprise systems and allow business teams to move quickly without compromising security or compliance. * Work closely with business stakeholders to translate operational needs into platform capabilities, ensuring the systems you build are not only technically sound but genuinely adopted. * Operate as a senior technical voice within a small, high-autonomy team, helping set architectural direction and raising the bar for how the team designs and delivers. REQUIREMENTS & TECHNICAL COMPETENCE * The Blueprint: Extensive track record as a Senior, Staff, or Principal Engineer, with a proven history of owning greenfield platforms, distributed systems, and backend scalability patterns. * Infrastructure & Platform: Deep production-scale GCP (compute, networking, IAM, managed services), Kubernetes, and Helm (designing for multi-tenancy). * Languages: Proficient in Go (primary), with comfort across the stack in TypeScript and/or Python. * Developer Experience (DX): Hands-on experience with GitOps, environment provisioning, infrastructure-as-code (Terraform), and enterprise security/IAM (SSO/Okta integration). * AI Integration: Experience integrating LLMs and agentic systems into production backends (Vertex AI, Gemini, OpenAI, MCP, or similar). * Product Mindset: Strong understanding of API design and a proven ability to design for non-technical users—you care about onboarding, UX, documentation, and what "easy to use" means in practice. Way of Working: Highly autonomous, comfortable with high ambiguity, and able to clearly present technical trade-offs to non-engineering stakeholders. Equal opportunity employer We believe that bringing people together from different backgrounds, experiences and perspectives makes for a healthy workplace, a more successful business and a better world. We value diversity and encourage everyone to come and soundtrack the world with us. Application Ready to make the world feel your work? Please apply, in English.

Rebtel Networks AB

Global migration is a 21st-century reality. Whether people are fleeing from something or racing towards better opportunity, following love or seeking new experiences, more and more are living in different environments and in new ways. We celebrate the power of people coming together. That’s why we connect ambitious people abroad with their families and friends back home so they can support each other emotionally and financially, and lead more enriched lives. Why Rebtel? When you join Rebtel, you become part of a global team, bringing together diverse minds from every corner of the world. Our headquarter is nestled in Stockholm and here we strike a balance between dedicated work and more relaxed activities. Every Friday the unmistakable aroma of freshly popped popcorn fills the air, but our celebrations encompass everything from minor and major common accomplishments to cinnamon bun day. What will you do? As a Staff .NET Developer at Rebtel you will serve as the technical guardian and principal individual contributor for the entire Backend (BE) architecture and ecosystem. This role is crucial for ensuring the technical excellence, scalability, reliability, and security of all backend systems that power our core products and services. The Staff Software Engineer will operate at a high level of abstraction, influencing engineering practices across multiple teams while remaining hands-on in critical areas. You’ll be actively involved in architectural decisions, contribute to technical discussions, and inspire your team to deliver clean, robust code. Responsibilities and Tasks: Lead the design, development, and deployment of complex, high-throughput backend services and APIs, ensuring best-in-class performance and maintainability. Drive architectural decisions and serve as the ultimate technical escalation point for BE-related challenges. Establish and articulate a clear, ambitious long-term vision and technical roadmap for the evolution of the BE systems. This includes planning for future growth, anticipating technological shifts, and driving the adoption of new technologies and patterns to maintain a competitive edge. Act as the primary architect for major system initiatives, defining microservices boundaries, data models, integration patterns, and deployment strategies. Proactively identify and resolve technical debt and architectural risks before they impact the business. Mentor engineers, elevating the technical expertise and quality of engineering output across the organization. Influence engineering standards and best practices for testing, performance tuning, and security across different development teams. Requirements: Exceptional and proven proficiency in the .NET area, including extensive experience with C#, .NET Core/8+, and related frameworks (e.g., ASP. NET Core, Entity Framework Core). Must demonstrate the ability to architect and build high-performance, fault-tolerant systems using the .NET stack. Demonstrable architecting skills with a strong background in designing and implementing large-scale, distributed systems (e.g., microservices, event-driven architectures, serverless). Expert knowledge of design patterns, domain-driven design (DDD), and SOLID principles. Extensive experience with at least one major cloud platform (AWS, Azure, or GCP) and related services (e.g., managed databases, message queues, containerization). Deep understanding of various database technologies (SQL and NoSQL) and data modeling best practices for scalable applications. System-Level Thinking: Ability to decompose complex problems into manageable components and evaluate trade-offs between different technical solutions (e.g., speed vs. stability, buy vs. build). Excellent verbal and written communication skills, with the ability to present complex technical ideas clearly to both technical and non-technical stakeholders, driving consensus on critical architectural decisions. Our Offer To You At Rebtel, you are the most important asset and we strive to provide a comprehensive package of benefits and perks that enhance your well-being and work experience. Here are some of the things you can expect from us: Pension Plan Health Checkups, Influenza shots and Private Medical Insurance Occupational insurance Wellness allowance (5,000 SEK) Discount on gym memberships Bonus program Extra parental pay 30 days annual vacation Monday breakfasts, dinner if staying in the office past regular working hours Relocation Support, if you're joining us from afar, we'll assist you in making a smooth transition. Rebtel is an international workplace, and at the office, we speak English; therefore, high English proficiency is required. We are Rebtel. We come from all around the world to create products for anyone who has crossed a border. We believe in equal opportunity and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.