
Reaktor · Helsinki
OUR AWARD-WINNING TECH COMMUNITY IS LOOKING FOR LEAD DEVELOPERS TO JOIN US IN HELSINKI. AS A LEAD DEVELOPER AT REAKTOR, YOUR JOB IS TO WORK WITH THE FULL ...
OUR AWARD-WINNING TECH COMMUNITY IS LOOKING FOR LEAD DEVELOPERS TO JOIN US IN HELSINKI.
AS A LEAD DEVELOPER AT REAKTOR, YOUR JOB IS TO WORK WITH THE FULL SOFTWARE DEVELOPMENT LIFECYCLE, HELP YOUR TEAM SUCCEED, AND
quality delivery
needed from infrastructure to support the team's work
among team members
YOU ARE AN EXPERIENCED DEVELOPER WHO ENJOYS FACING TECHNICAL CHALLENGES AND IS AT HOME PROVIDING CLARITY IN AMBIGUOUS SITUATIONS
it's good to have a minimum of eight years of relevant work experience
TypeScript/JavaScript and Node.js. But, Java/Scala/Kotlin, Clojure, and Python are also used
web app projects and Swift, Java/Scala/Kotlin, or TypeScript/JavaScript React-native on mobile
For two decades, we’ve been developing qualities and capabilities for adapting, reacting, and supporting change – building Reaktor
to hold up in a fast-paced environment while ensuring the well-being of our people.
you think will work best in any given situation
sick child care services, office space to use for your private events, etc.)
events, and 15-minute coffee breaks to discuss hot topics in tech and design
sometimes inside) office hours. Many of these are supported by Reaktor
Together, we are committed to making Reaktor an environment that embraces and values all of our employees for the whole of who
they are. We encourage applicants from all backgrounds to apply, knowing that studies show that members of underrepresented
communities don’t apply for jobs unless they fully satisfy all of the requirements. If you're thinking twice about applying for
this reason, we invite you to send us your application anyway. You could be just the person we're looking for.
Read more about our DEI work here.
Interested? Drop us a line via the form below. We'll be happy to hear from you!
Are you a visionary ready to make an impact? Join our dynamic team at Smartly as a Lead Product Designer and drive innovation in digital advertising! About the Team: Product Designers at Smartly are at the forefront of our fast-paced product development process, playing an integral role in the product development cycle. Collaborating with Product Managers, we identify key areas for improvement and strategize development plans. Our team conducts discovery and research with the industry's leading advertisers. Within the design team we design cutting edge AI native experiences and maintain and enhance our design system to ensure rapid development cycles while maintaining high output quality. We work closely with PM’s and developers and distill the customer needs into mental models that help our customers achieve their goals. As a Lead Product Designer at Smartly, your role is to shape the future of the Smartly platform by deeply understanding customer needs, identifying emerging opportunities, and defining product experiences that create meaningful impact. You drive discovery efforts together with product managers, engineers, and researchers - exploring workflows, validating problems, and translating insights into strategic product direction. Read more about our product here. AS A LEAD PRODUCT DESIGNER, YOU WILL: * Shape the direction of our product experience by identifying high-impact opportunities, clarifying complex problem spaces, and translating ambiguity into actionable product direction. * Design products and features that meet the customer needs and are intuitive to discover and easy to learn, delivering early value to customers. * Interact directly with our customers on discovery, validation and testing. * Partner closely with Product Managers, Engineers, other Designers, Researchers and leadership to align teams around shared outcomes, product vision, and the product experience * Deliver a great, end-to-end user experience for all customers. * Mentor and coach junior designers, helping them grow and thrive in their roles. WHAT WE ARE LOOKING FOR: * A minimum of 8+ years of experience in product design, ready to take on a leading role with an opportunity to grow further. * Confidence in leading the design process end-to-end, from identifying product opportunities to prototyping, delivering high-fidelity designs, and collaborating closely with engineers to implement solutions. * Passion for the entire product discovery process, including UX research, customer interviews, and close collaboration with product managers and leadership to define the product's future. * Experience in Marketing Tech or AdTech domains is considered beneficial. * Energetic and team-spirited, with a big appetite for growth and empowerment. * Previous experience in front-end development or vibe coding is beneficial. * Ability and willingness to work from our Helsinki office at least three days per week. WHAT WE OFFER YOU: * Leadership Opportunities: You'll have a high impact on our product and get to mentor other designers in the team. We offer you an opportunity to grow in cross-functional leadership. * Inclusive Culture: Join a diverse team of over 750 Smartlies representing more than 60 nationalities across 24 locations in 13 countries. We foster a culture built on trust, transparency, and open feedback. * Global Impact: Be part of a company making a global impact, directly influencing our customers and business growth. If you're interested in working closely with customers, you'll have an opportunity to work with some of the most advanced online marketers out there. Some of them use Smartly 8 hours a day, every day! * Wellbeing Focus: Enjoy generous healthcare packages, mental health services, and a healthy work-life balance with paid holidays and family leave. * Total Rewards: Benefit from equity options, performance-based rewards, competitive compensation, and ample career development opportunities. * Hybrid Workplace: Experience the flexibility of a hybrid work model, balancing office and remote work, with the option to work abroad for up to 30 days. Smartly is committed to being the best place to work for growth-minded individuals to thrive - explore more in our Culture Handbook! WHAT TO EXPECT FROM OUR RECRUITMENT EXPERIENCE: * Recruiter Screen: Get to know each other and learn about working at Smartly. * Hiring Manager Interview: Gain deeper insights into your future team including a portfolio review. * Research and Design Task: Complete a homework assignment to showcase your skills. Present the task for the team. * Design Challenge: Participate in a comprehensive design challenge to demonstrate your expertise. Apply Now and Shape Your Future with Smartly! ABOUT SMARTLY Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers. Our comprehensive advertising platform seamlessly integrates the capabilities of media, creative, and intelligence to power more than 800 billion impressions and generate more than 300 billion creatives annually, delivering tangible business outcomes for brands and advertisers. Smartly is the only company in the industry recognized as a Leader in The Forrester Wave: Creative Advertising Technologies with PwC validating the results it delivers for brands. We manage creative and media for 700+ brands worldwide and $6B in ad spend across the largest media platforms, including Facebook, Google, Instagram, Pinterest, Snap, and TikTok. Our end-to-end technology, unmatched access to media platforms and exceptional customer service help Fortune 500 brands to reach and engage consumers and learn what performs best.Smartly is a multinational and diverse team of 750+ Smartlies from 60+ nationalities, working in 13 countries. Together, we want to create and maintain an inclusive environment where everyone feels respected and heard. Our Diversity, Equity & Inclusion approach is at the heart of it. Visit Smartly to learn more. The processing of your information is described in our Candidate Privacy Notice.
About us: Global Commissioning Limited is a privately owned consultancy, with our Head Office based in the UK. Specialising in the data centre industry, we offer commissioning management and validation services to project developers and operators, ensuring they receive a fully operational and design-compliant building at handover. We are a growing company and currently operate in multiple countries across Europe and we have active offices in Germany, Poland, Finland, France, Italy and the Netherlands. The Role: As the Commissioning Manager, you will be pivotal in overseeing the safe, timely, and efficient design, installation, and commissioning of critical systems and IT infrastructure within data centre environments. This challenging position requires excellent leadership and organisational skills to manage services on and off-site, providing direction to Project Managers, Supervisors, and various sub-contractors as needed. Primary Responsibilities: As the Commissioning Manager, your key responsibilities will include:
We are looking for a Principal Engineer to join our Platform Group. As a leading technical expert, you will play a pivotal role in guiding our teams through some of the most complex technical challenges at Smartly. Your influence will be crucial in shaping the technical direction of our platform, identifying critical areas for future investment, and driving execution on initiatives that improve scalability, reliability, and developer productivity. The Platform Group owns the foundational systems that power Smartly's products and engineering organization. This includes large-scale databases, distributed systems, infrastructure capabilities, and platform services that enable our teams to build and operate reliably at scale. The Principal Engineer reports to the Chief Architect and works closely with engineering teams, product leaders, and other stakeholders across the organization. WHAT YOU WILL DO EXAMPLES OF INITIATIVES YOU WILL WORK ON * Define how AI agents can safely and effectively interact with Smartly's platform, data, and internal systems. * Shape the technical vision and architecture of Smartly's automation platform, enabling teams to build and operate automations reliably at scale * Partner with teams building our next-generation data products, helping define the architecture for combining multiple large-scale datasets into a unified and accessible data foundation * Evolve the architecture and operational model of our largest databases, including sharding, replication, and scaling strategies With the team of other Principal Engineers, you will also have a substantial impact on shaping Smartly's technical direction and engineering culture. We expect you to utilize your strengths to the benefit of the development teams you're working with. RESPONSIBILITIES * Be a strong engineering voice alongside other leaders by advising and driving Smartly's technical vision and strategy, setting and upholding high standards for technical quality, scalability, and operational excellence * Drive execution through architecture, design, and hands-on technical contributions, taking responsibility for delivering large-scale technical initiatives to customers * Expected to remain actively involved in design reviews, prototyping, incident analysis, and implementation of critical technical components. * Lead complex cross-team projects that advance our platform architecture and long-term technical vision * Identify and address scalability, reliability, observability and performance bottlenecks across critical systems * Contribute to sharing learnings and knowledge across the organization, mentoring engineers and raising engineering standards * Participate in our recruitment process and help maintain consistently high engineering standards across teams WHAT WE ARE LOOKING FOR REQUIREMENTS * 3+ years operating at Staff, Principal, Lead Engineer, or equivalent level, driving technical strategy across multiple teams. * Proven track record leading multi-quarter technical initiatives spanning 3+ engineering teams and delivering measurable improvements in scalability, reliability, developer productivity, or operational efficiency. * 5+ years operating production systems where relational database architecture, scalability, reliability, and performance were critical concerns. (e.g. 99.9%+ availability targets) * Strong understanding of distributed systems and experience making architectural decisions involving consistency, availability, partition tolerance, replication and sharding * Demonstrated success influencing technical direction without direct managerial authority. * A high bar for quality of code, testing, and quality of user experience * Ability to communicate complex technical topics clearly to a wide range of stakeholders * Ability to listen well and internalize the best ideas from across the organization while also setting a vision that others are excited to get behind BONUS POINTS IF YOU HAVE * Experience with analytical databases such as ClickHouse, BigQuery, Snowflake, or similar technologies * Strong infrastructure and cloud platform knowledge * Experience designing systems that safely expose capabilities, data, and workflows to AI agents or autonomous systems. * Experience leading reliability, observability, or performance engineering initiatives WHAT WE OFFER YOU At Smartly, we offer a place where you can advance your career. Here, you'll find: * An Inclusive Global Culture: Join a team of over 750 Smartlies, representing more than 60 nationalities across 24 locations in 13 countries. We cultivate a culture built on trust, transparency, and open feedback, where diverse perspectives are valued and encouraged. * Global Impact: Contribute to a company making a global impact, directly influencing our customers' success and business growth. * Focus on Wellbeing: We prioritize your health with healthcare packages, mental health services, and a commitment to work-life balance through paid holidays and family leave. * Comprehensive Rewards: Benefit from equity options, performance-based rewards, competitive compensation, and career development opportunities. * Flexible Hybrid Workplace: Experience a hybrid work model, balancing office collaboration with remote work, and the option to work abroad for up to 30 days annually. Apply Now and Build Your Future with Smartly! Curious what it's like to work at Smartly? Visit our Careers page to see how we grow, collaborate, and make impact together. #LI-HYBRID ABOUT SMARTLY Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers. Our comprehensive advertising platform seamlessly integrates the capabilities of media, creative, and intelligence to power more than 800 billion impressions and generate more than 300 billion creatives annually, delivering tangible business outcomes for brands and advertisers. Smartly is the only company in the industry recognized as a Leader in The Forrester Wave: Creative Advertising Technologies with PwC validating the results it delivers for brands. We manage creative and media for 700+ brands worldwide and $6B in ad spend across the largest media platforms, including Facebook, Google, Instagram, Pinterest, Snap, and TikTok. Our end-to-end technology, unmatched access to media platforms and exceptional customer service help Fortune 500 brands to reach and engage consumers and learn what performs best.Smartly is a multinational and diverse team of 750+ Smartlies from 60+ nationalities, working in 13 countries. Together, we want to create and maintain an inclusive environment where everyone feels respected and heard. Our Diversity, Equity & Inclusion approach is at the heart of it. Visit Smartly to learn more. The processing of your information is described in our Candidate Privacy Notice.