
Kognity · Sweden
This is a chance to own full-stack problem spaces end-to-end, shaping ambiguous requirements into robust, scalable systems while working at the frontier of AI-a...
This is a chance to own full-stack problem spaces end-to-end, shaping ambiguous requirements into robust, scalable systems while
working at the frontier of AI-assisted engineering, on a platform that powers learning for students and teachers across 120+
countries.
We’re a 125-person EdTech scale-up powering learning in 120+ countries. Our intelligent platform replaces traditional textbooks
and combines rich, interactive pedagogy with smart AI and data to help students and teachers thrive, from international schools to
US high schools.
Why join Kognity?
scale is global, and the outcomes are tangible.
comes early, accountability is real, and results matter.
Standards and expectations are high, feedback is direct, and the pace is fast.
bar. If you enjoy responsibility, momentum and meaningful challenge, you will thrive here.
maintaining high quality and ownership from concept through iteration
decisions across APIs, data models, caching and testing
toward robust, scalable solutions
impact across the team and system
alignment with system design
guide and refine implementation to reach production-ready outcomes efficiently
high-quality solutions with real impact
feedback and outcomes
and iterate on software
How we hire
1. Discovery call with a Recruiter
2. Hiring manager discussion
3. Live coding session
4. Values discussion
5. Systems design session
6. Leadership talk
Every qualified person will be evaluated regardless of age, gender, identity, nationality, ethnicity, sexual orientation,
disability status or religion. We’re committed to building a diverse, inclusive team and welcome people of all backgrounds,
experiences, perspectives, and abilities.
See more about how we collect and process your personal data in our Privacy Notice.
Join Truecaller – The place where innovation meets impact! Truecaller's mission is to build trust in communication by making it safer, smarter, and more efficient. Born in Sweden, trusted by the world, and here’s why we stand out: * We are trusted by over 450 million active users every month across 190+ countries * We identify over 15 billion calls daily, helping users avoid spam and scams * We are powered by a team of 450+ employees from 45+ nationalities We always look for people who take initiative, own their work, and keep raising the bar. An entrepreneurial mindset matters here, especially when it turns bold ideas into real actions. We stay collaborative and focused, always searching for smarter paths forward. If you want to make an impact and grow with a team that inspires millions, you’ll fit right in. The role: As a Senior Software Engineer, Backend, you will leverage your deep technical expertise to ensure alignment, quality, and long-term maintainability across the organization. You will be building strong relationships with cross-functional stakeholders, you will drive project delivery, and ensure our backend infrastructure remains scalable and robust enough to support millions of users worldwide. What you will do * Design and develop high-volume, low-latency services and cope with the challenge of working in a distributed environment. * Operate mission-critical services at high availability. * Collaborate across business units and drive solutions. * Explore new solutions and technologies. * Build a scalable and reliable system. What you bring in: * 5+ years of experience with Scala, Java, or Go * Experience of working with scalable, highly available, real-time distributed systems * Experience of working with non-relational databases * Good understanding of data structures and algorithms * Mentoring/ Leadership skills * Excellent communication skills in English. * Ability to thrive in a dynamic, fast-paced environment. It would be great if you also have: * Experience building systems in the Google Cloud Platform * Experience with virtualization environments, e.g., Docker * Experience with systems for managing containerized applications, e.g., Kubernetes * Experience with Cassandra and Kafka. What we offer: We support growth through learning resources, leadership programs, mentoring, and real hands-on work. People can move between teams and projects to build new skills and keep things interesting. We offer clear internal mobility and a transparent path for progression, with leaders who stay involved and provide guidance throughout the year. In addition, you will benefit from: * A comprehensive compensation package: We offer a competitive salary, 30 days of paid vacation, private health insurance, parental leave top-up, pension, and wellness contributions. * Modern tools to do your best work: Choose your preferred computer and phone within our budget, so you can work comfortably and efficiently. * A people-focused office culture: We value in-person collaboration and follow an office-first model, with some flexibility. Our offices offer a vibrant environment with opportunities to learn, connect, and recharge, from breakfast, lunch, and well-stocked snack stations and quiet spaces to team activities such as movie nights, tech meetups, and cultural events. There's something for everyone. * Truecaller’s “Lab Days” offer a space for imagination: 5 times per year for 3 days, where everyone steps away from their normal tasks to explore new, bold ideas and build things they’ve always wanted to. It’s a space where curiosity leads the way, and prototypes take shape. Some concepts even make it into production, and a few have grown into real features used by millions today. Lab Days allow you to be creative, learn fast, and help shape Truecaller's future. Come as you are: Truecaller is committed to building a diverse and inclusive team. We believe that a wide range of backgrounds, perspectives, and experiences strengthens our products and our culture. No matter where you're from, what language you speak, or how you identify, we value what makes you unique and would love to get to know you. Check out Life at Truecaller - Behind the code: https://www.instagram.com/lifeattruecaller/ Sounds like a great opportunity? We will fill the position as soon as we find the right candidate, so please send your application as soon as possible. As part of the recruitment process, we will conduct a background check. We only accept applications in English.
Are you interested in working on exciting challenges within high transaction environments? We are looking for you who are curious, can take initiative and come up with new creative solutions, and care about ultimately delivering a great product. THE ROLE Our Player, Rewards & Gamification- Product Development team in Stockholm is growing and we are now looking for a Backend Software Engineer to join! Player, Rewards & Gamification at Betsson Group ensures our customers come back for more. It’s all about loyalty. We provide a world class customer experience beyond the game play featuring Tournaments, Dynamic personalized campaigns and much more! You will be part of preparing our journey to containerization, increasing the scalability of our systems while also maintaining their high quality. To accommodate new requirements, we are constantly re-evaluating our systems design and working on exciting new features. WHAT YOU’LL DO * Design and develop distributed backend services using .NET and event-driven architecture. * Collaborate with product and commercial teams to turn engagement ideas into scalable, maintainable, and user-friendly solutions. * Optimize our microservice ecosystem for performance, reliability, and observability. * Drive our containerization and cloud migration strategy forward. * Participate in architecture discussions and help shape technical decisions. * For senior engineers: Lead architectural decisions and proactively identify areas for improvement. * Write maintainable, well-tested code and conduct code reviews. * Participate in incident resolution and the team’s on-call rotation. * Maintain clear technical documentation such as ADRs, runbooks, and guidelines. * Build and share your domain expertise within the team. WHAT TECH STACK YOU’LL BE WORKING WITH We don’t expect you to know everything listed below – but the more you’re familiar with, the better. What matters most is your ability to learn, collaborate, and write high-quality, maintainable code. CORE TECHNOLOGIES These are essential to the role, and we’re looking for solid experience here – especially for senior candidates. * Languages & Frameworks: C#, .NET (modern versions after .NET Core) * Databases: SQL Server, PostgreSQL, Redis, Couchbase (experience with relational or document databases, including indexing and query optimization, is a strong plus) * Cloud & Containers: AWS, Kubernetes, Docker (experience with any major cloud provider or containerization platform is valuable) * Testing & Quality: xUnit/NUnit, mocking frameworks, k6 for load testing (understanding of unit, integration, and performance testing is more important than specific tools) ADDITIONAL TOOLS & PRACTICES Familiarity with these of similar tools and concepts is a plus. * Messaging & Microservices: Web APIs, Apache Kafka, RabbitMQ, Orleans (experience with any messaging or actor-based system is valuable) * Observability: Prometheus, Grafana, Loki, Splunk (or experience with other observability stacks) * CI/CD: GitHub Actions, trunk-based development, progressive delivery (familiarity with continuous delivery pipelines and deployment strategies is more important than specific tooling) * Architecture: Domain-driven design, event sourcing, actor model, distributed systems at planet-scale * Ways of Working: Agile and Lean principles, DevOps mindset, strong collaboration WHAT’S IN IT FOR YOU? Much like a rollercoaster, life at Betsson Group is fast-paced, full of twists and turns, and always exciting. With more than 2,800 colleagues representing over 75 nationalities across a global network of offices - including 1,500 at our operational headquarters in Malta - every day brings new challenges and opportunities to grow. It may not be for the faint-hearted, but if you thrive on innovation, enjoy pushing boundaries and want to be part of a diverse, international team, then you’ll fit right in at Betsson. CHALLENGE ACCEPTED? Check out the Betsson Group Blog to find out what our tech colleagues are talking about. By submitting your application, you understand that your personal data will be processed as set out in our Privacy Policy
WHO WE ARE ABOUT STRIPE Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. ABOUT THE TEAM The Solutions Architecture Team partners with our users to realize their full potential through the adoption of prescriptive solutions that drive their growth and success. We influence revenue growth across Stripe’s product portfolio, and collaborate with sales, support, product management, and Stripe’s executive team to provide the best experience to our most valued customers. WHAT YOU’LL DO As a member of the team, the Solutions Architect will build highly consultative trusted relationships with c-level executives and technical decision makers in the customer’s organization to provide business and technical thought leadership, and become a trusted advisor in solving mission-critical business challenges. She/he will architect business models with them so they can drive new monetization opportunities and growth for both the user and Stripe. RESPONSIBILITIES * Be a key member of a Stripe account team with deep involvement in defining the customer strategy * Identify and close new complex opportunities, and accelerate solution adoption. Understand and align with the customer’s product and business roadmap and uncover opportunities for Stripe to accelerate their progress on that roadmap. * Drive thought leadership and be a trusted advisor for key business and technical stakeholders including CIO, CTO, COO, CRO, CDO, Head of Product Engineering and Head of Payments. * Work to deeply understand the customer’s business objectives, and then design and apply Stripe’s solutions to their challenges. Develop and articulate the end to end customer transformation journey and create future roadmaps and architectures with deep 3rd party integrations in play. * Conduct business analysis and background research on customers, industries, and competitors with a view to support growth for the user's business. * Lead strategy engagements with users to align to business priorities, design solutions and secure the technical win by performing in-depth customer discovery, evangelizing the proposed solutions through executive briefings, readouts, presentations, workshops and solution demos. * Expand Stripe’s footprint within existing accounts to new global markets and business units by introducing new capabilities and local payment methods. * Act as the “Voice of the Customer” to bring insights, trends and opportunities to the leadership, product and engineering teams from the forefront and prioritized for delivery. * Participate in sales forecasting, Quarterly Business Reviews and account/territory planning to strategically and tactically align for success * Approximately 25% travel is anticipated to help you connect in-person in a meaningful way with users and collaborate internally WHO YOU ARE You have achieved an experienced position as an enterprise architect, senior solution architect or principal solution engineer and have a successful track record advising enterprise-grade digital native / SAAS / Platform / Marketplace companies, focused on identifying business priorities, formulating technology strategies and designing an end-to-end business solution. You possess deep technical acumen, high interpersonal and leadership skills, and have demonstrated the ability to become a trusted advisor to senior executives and facilitate customer success along the entire customer journey. Strategic and creative thinker who can proactively identify challenges, take ownership, and maintain a positive approach when facing difficult obstacles. We’re looking for someone who meets the minimum requirements to be considered for the role. If you meet these requirements, you are encouraged to apply. The preferred qualifications are a bonus, not a requirement. MINIMUM REQUIREMENTS * 4+ years of experience in a similar customer-facing engineering role such as solution consultant, solutions architect, sales engineer, for a global software enterprise. * Experience in the payments/ billing / invoicing / issuing / banking / Fintech space * Executive engagement skills and presence, with an ability to establish strong relationships with key decision makers and build credibility at all levels. * Effective group-facilitation skills and confidence in proposing and leading customer meetings to gain strategic footing and pursue opportunities. * Thorough understanding of the software development lifecycle and API architectures. A background in writing code in any of Stripe’s primary deployment languages (Ruby, Python, JavaScript, Java, Go, etc.) is a plus. * Outstanding spoken and written communication skills, presentation skills, and confident in explaining complex concepts to both technical and non-technical audiences. * Ability to operate independently in a highly ambiguous and fast-paced environment * Passion to take on ownership and drive change in a constantly evolving environment. * Superior verbal and written communication skills in English * Ability to travel per business needs PREFERRED REQUIREMENTS * Prior experience in consulting * Experience at a growth stage internet/software company