Senior DevOps Engineer

Join Our Mission at SolidgateAt Solidgate, we are dedicated to empowering visionary entrepreneurs to create unparalleled internet companies. Our goal is to provide the essential financial infrastructure that innovators require to thrive in the digital economy. We are on an ambitious journey to establish ourselves as the leading payments orchestration platform globally.About Your RoleWe are seeking an enthusiastic and business-oriented Go Engineer to contribute to our dynamic team focused on developing solutions that mitigate fraud-related risks for our clients. You will play a pivotal role in launching our cutting-edge Representment Product, which has the potential to save our merchants substantial amounts of money.If you excel in a fast-paced environment that values high performance and ownership, you will find your place here. We foster a culture of transparency and collaboration, pushing each other to elevate our standards daily.Discover our technology stack here.Your ResponsibilitiesDevelop the Dispute module for efficient data collection from payment systems and enhance clarity for clients.Implement the Representment module by creating user-friendly interfaces and APIs for merchants to submit evidence to payment schemes.Integrate with major global payment providers such as Stripe, Adyen, and PayPal.Launch new products in partnership with Mastercard, Visa, and AMEX.Build the financial infrastructure, focusing on invoicing, billing, and reconciliation at scale.What We Are Looking ForAt least 3 years of experience in backend development.Minimum 1.5 years of experience with Go programming language.Proficient in PostgreSQL database management.Demonstrated experience in working with microservices architecture.Strong understanding of designing high-load systems.Experience with comprehensive test coverage, including unit, integration, functional, and end-to-end testing.A proactive, results-oriented approach to problem-solving.Ability to take initiative and make sound decisions.

Our Mission and VisionAt Solidgate, our mission is straightforward: to empower exceptional entrepreneurs in building outstanding internet companies. We exist to support the builders — those who are shaping the digital economy — with the robust financial infrastructure they need. Our ambitious goal is to become the leading payments orchestration platform globally.About the Team and RoleWe are in search of a talented Backend Engineer eager to transition to Go and join our team dedicated to creating products that minimize fraud-related risks for our clients. You'll be working on our innovative Representment product, which has the potential to save our merchants significant amounts of money.If you excel in a high-performing team that prioritizes speed, ambition, and ownership, then this is your opportunity. Our culture is rigorous, transparent, and highly collaborative. It may not be for everyone — but if you're ready to elevate your game alongside equally motivated colleagues, this is where you belong.Explore our technology stack here.Your ResponsibilitiesDevelop dispute management systems. Create services that gather dispute data from payment systems and convert it into actionable insights for merchants.Integrate with leading global payment providers. Collaborate with platforms like Stripe, Adyen, and PayPal.Build scalable financial infrastructure. Contribute to systems that facilitate invoicing, billing, reconciliation, and other financial functions.Launch new payment products. Collaborate with partners such as Visa, Mastercard, and AMEX to deliver innovative solutions.Enhance the Representment product. Develop APIs and interfaces that allow merchants to upload dispute evidence and submit it directly to payment schemes.Ideal Candidate ProfileDemonstrates strong ownership and a clear technical perspective (you have mastered one backend language and are ready for a new challenge).Produces production-ready systems, not just individual features.Possesses a solid understanding of high-load system design.Confident in testing (unit tests, integration tests).

TENTENS Tech is a partner IT company of SKELAR, a Ukrainian venture builder focused on creating international tech businesses.We develop social discovery platforms for over 20 million users worldwide, driven by deep expertise in analytics, high-load systems, and performance marketing.Our team at TENTENS Tech consists of over 250 professionals, each acting as a CEO in their role and contributing to collective success. We adhere to the 10/10ths philosophy: we stay focused on our goals, ask the right questions along the way, and never settle for "good"—we strive for excellence and beyond. If you resonate with this description and are ready to accelerate with us, let's connect!We are currently seeking a Backend Engineer (PHP/Go) to help elevate our performance standards.

TENTENS Tech is a strategic partner of SKELAR, a Ukrainian venture builder dedicated to developing international tech businesses.We create social discovery platforms for over 20 million users globally. Our pace and scale are supported by deep expertise in analytics, high-load systems, and performance marketing.Today, the TENTENS Tech team consists of more than 250 professionals, each acting like a CEO in their role and contributing to our collective success. We operate with a 10/10ths mindset: aiming for excellence, asking the right questions along the way, and never settling for 'good enough'—we strive for maximum impact and beyond. If this resonates with you and you’re ready to accelerate with us—let’s connect!We are currently seeking a Backend Team Lead to help elevate our results.

Join our dynamic team as an ITSM Solution Architect at Kyivstar, where you will leverage your extensive hands-on expertise in configuring and developing on Ivanti ITSM platforms.In this pivotal role, you will not only provide architectural vision but also actively implement enterprise-level ITSM solutions. Your responsibilities will include designing robust ITSM architectures, overseeing delivery processes, and contributing to intricate configurations, integrations, and workflow enhancements.

Join our dynamic sales team as a Sales Manager in Kyiv, Ukraine, where you will engage with top-tier security system solutions on a global scale and refine your B2B sales expertise.At Teltonika, our security business unit is dedicated to designing and manufacturing cutting-edge electronic devices for intrusion detection and building protection. Our innovative products are utilized across residential and commercial sectors to enhance safety and provide intelligent monitoring solutions. By leveraging advanced technologies, we strive to redefine standards within the security industry.We offer aspiring sales professionals a platform to hone their sales abilities, gain in-depth product knowledge, and achieve significant financial rewards.As a Sales Manager, your responsibilities will include:Conducting market research to identify potential opportunities and growth areas.Establishing and nurturing long-term relationships with both new and existing clients through regular communication, presentations, and site visits.Drafting commercial proposals and managing contracts to meet your sales targets.Representing Teltonika Security Systems at exhibitions and meetings to showcase our products and solutions.Working collaboratively with the technical support team and product specialists to meet customer needs.

Join Kyivstar as a Sales Manager for Big Data Solutions! In this role, you will be responsible for identifying and engaging potential clients, presenting innovative big data solutions, and driving sales strategies to achieve revenue targets. Your expertise will help businesses harness the power of data to make informed decisions and improve their operations.

Join United Tech as a Product Marketing Manager and take the reins on a pivotal product strategy that significantly influences our conversion outcomes. This role involves crafting and implementing a systematic methodology to analyze, optimize, and test landing pages across Facebook and affiliate platforms. You will have the opportunity from day one to create and launch various landing pages for testing, in addition to designing and executing data-driven hypotheses to enhance key conversion metrics. This is a chance to evolve into a senior role while broadening your responsibilities, driving measurable improvements, and shaping our marketing strategy in a dynamic, performance-oriented environment.About Our Product: Our innovative social networking platform is transforming how individuals connect in Tier-1 markets, boasting over 1 million users across the USA, Canada, and the UK who rely on us for authentic relationships that transcend superficial matching. Since our inception in 2020, we have positioned ourselves as the go-to platform for those pursuing real connections. Our users enjoy continuous communication, effortless content sharing, and a completely ad-free experience. We have struck the perfect balance between performance and intuitive design, fostering genuine engagement among users.You will play a crucial role in our ambitious mission to become one of the top five international social networking platforms globally. With our current success in established markets, we are poised to replicate this thoughtful strategy on a global scale. Your contributions will help millions find meaningful connections. Are you ready to embark on this journey?

Role Overview SKELAR is hiring an Engineering Manager in Kyiv. This role leads a team of engineers, guiding projects from planning through delivery. The manager sets direction for engineering efforts, supports team growth, and encourages strong collaboration across disciplines. What You Will Do Oversee engineering projects, ensuring timely and high-quality delivery Mentor and develop engineers, helping them grow their skills Promote best practices in engineering and team communication Foster a culture of creativity and shared problem-solving Location This position is based in Kyiv.

Join Kyivstar.Tech as an Engineering Manager, leading development processes and driving product innovation. Collaborate with teams to create efficient solutions while maintaining high-quality engineering standards. Your leadership will empower teams to achieve technological excellence and foster an environment of growth and creativity.

Role overview Kyivstar seeks a Head of Business Solutions Sales for Big Data to lead its sales team in Kyiv, Ukraine. This position sets the direction for sales strategies, manages client partnerships, and oversees the rollout of solutions based on Big Data technologies. What you will do Guide and support the Business Solutions Sales team working with Big Data products Create and implement strategies to increase market share Build and strengthen relationships with key clients Supervise the delivery and implementation of Big Data solutions Promote customer engagement and help expand Kyivstar’s presence in the market Requirements Background in leading sales teams within technology or business solutions Solid understanding of Big Data technologies and their use in business Track record of building and maintaining client relationships Strategic mindset and focus on achieving results

Role overview Sigma Software Group is hiring a Senior DevOps Engineer in Kyiv to focus on cybersecurity solutions. This role centers on designing, implementing, and maintaining secure, scalable infrastructure that supports the company’s cybersecurity platforms. What you will do Develop and maintain infrastructure that safeguards and scales cybersecurity products Collaborate with cross-functional teams to enhance system integrity and ensure high availability Drive continuous improvements in both security and operational efficiency Requirements Proactive and creative problem-solving skills Ability to adapt to shifting priorities Solid experience with DevOps methodologies and cybersecurity fundamentals This position plays a key part in helping Sigma Software Group deliver dependable cybersecurity services and protect essential client systems.

We are seeking a Junior Telecommunications Engineering Specialist to enhance our dynamic technical support team based in Kyiv, Ukraine. This is a fantastic opportunity to engage with leading global networking solutions and further develop your technical skills.At Teltonika, our Networking Solutions Business Unit is dedicated to the development and manufacturing of industrial and enterprise connectivity equipment, including routers, switches, gateways, and modems. Our innovative devices cater to clients in the most intricate sectors of Industry 4.0, Smart Cities, and Green Energy.In this position, your responsibilities will include:Advising clients on the effective use of our products within their applications, addressing their challenges related to Teltonika Networks products through both written communication and live meetings.Independently troubleshooting technical issues arising from customer configurations, firmware/software, and other sources.Creating comprehensive documentation for both internal and external stakeholders (e.g., Teltonika Wiki).Acting as the liaison between customers and Teltonika Networks R&D for complex inquiries.Gaining practical experience with Linux-based operating systems, industrial protocols, various networking services, and occasionally third-party peripherals.We expect you to possess:Strong communication skills and professional demeanor in both verbal and written formats.A genuine desire and motivation to assist others.Fundamental knowledge of Computer Networking.Proficient English language skills (both written and spoken).Capability to thrive in a fast-paced work environment.Experience in drafting technical documentation.A higher or equivalent technical/engineering qualification is considered a plus.Previous customer service experience would be advantageous.Knowledge or certification in CCNA or similar courses is a plus.What we offer:Opportunities for professional growth within a robust and rapidly expanding company.Engaging and ambitious projects involving industrial networking devices.A dynamic and challenging work environment with a collaborative internal culture.Flexible work schedules, hybrid work options, and remote work opportunities to support your well-being.Corporate medical insurance and coverage for company-paid sports activities (gym, fitness, yoga, swimming).Celebration of achievements through team-building events, summer festivals, and other special occasions.A comfortable workspace in a modern office equipped with essential utilities, regardless of external conditions.

About Us:Swarmer stands at the forefront of collaborative swarm autonomy in Ukraine, exemplifying innovation by developing cutting-edge dual-use AI solutions tailored for the defense sector.Our pioneering software, rigorously tested in the Ukrainian landscape, empowers drone swarms to autonomously undertake intricate missions, from safeguarding critical infrastructure to ensuring the protection of both civilian and military assets. This sophisticated technology translates overarching objectives into meticulously coordinated operations.Our Vision: Achieving scalable autonomy for up to 690 drones, all under the proficient control of a single operator.Let the drones take charge!

Role overview N-iX is seeking a Mid-Level Big Data Engineer located in Ukraine. This role centers on building and maintaining data pipelines, Ontology Objects, and Foundry Functions within the Palantir Foundry platform. Collaboration with colleagues from various teams is a key part of the position, with the goal of delivering data solutions that inform decision-making throughout the company. What you will do Design, develop, and maintain advanced data pipelines Work with Ontology Objects and Foundry Functions in Palantir Foundry Collaborate with stakeholders from different teams to deliver scalable, reliable, and secure data solutions Requirements Experience working with cloud-based data engineering Understanding of modern data architectures Interest in tackling complex data challenges, particularly in regulated and data-heavy environments

Role Overview Sigma Software Group is hiring a Solution Architect for Power Platform in Kyiv. This position focuses on designing and implementing scalable applications with Microsoft technologies, especially within the Power Platform suite. What You Will Do Design and build applications that meet business needs using Power Platform tools. Optimize workflows to improve efficiency and user experience. Work closely with teams across functions to gather requirements and translate them into technical solutions. Support digital transformation projects for clients. Who We’re Looking For Strong experience with Microsoft Power Platform and related technologies. Ability to design scalable, maintainable solutions. Skilled at collaborating with technical and non-technical colleagues. Comfortable identifying business requirements and turning them into actionable plans.

Role overview Skelar is hiring a Head of Engineering in Kyiv. This leader will guide the engineering team, set technical direction, and ensure projects meet high standards. The role includes overseeing development work and encouraging new ideas across the group.

Quantum Systems is at the forefront of next-generation unmanned solutions that span air, land, and sea. Our innovative systems, which range from advanced aerial drones to underwater and ground platforms, integrate state-of-the-art hardware with AI-driven software to deliver seamless control and real-time data insights. With a reputation for excellence in defense, security, and public sector industries worldwide, we are committed to redefining mission versatility and performance.Since establishing our local office in Ukraine in 2022, Quantum-Systems has been a steadfast supporter of the nation.This position is ideal for individuals who have a passion for transforming engineering concepts into optimized manufacturing processes. If you are detail-oriented, thrive in a collaborative environment, and aspire to contribute to aerospace technology innovations, we encourage you to apply.This is a full-time, office-based role, and candidates must be located in Kyiv.Your Daily Responsibilities:Develop technological processes for the manufacturing of composite parts.Create detailed process documentation, including technological cards, instructions, and routing sheets.Optimize workflows to minimize defects and production time.Monitor and provide support throughout all production stages.Ensure compliance between actual production and approved technologies.Identify and rectify technological defects.Analyze errors and suggest improvements.Prepare acceptance reports and testing protocols.Develop control charts for finished products.Select appropriate PPE and auxiliary materials.Conduct technical briefings for production staff.Collaborate with design engineers, production supervisors, and quality engineers.

Quantum Systems GmbH creates unmanned solutions for air, land, and sea. The company designs aerial drones, underwater vehicles, and ground platforms that blend modern hardware with AI-driven software. These technologies deliver real-time data and precise control, supporting defense, security, and public sector missions around the world. Since 2022, Quantum Systems has maintained a local office in Kyiv, reflecting its commitment to Ukraine. Role overview The Product Release Manager leads efforts to build and improve a unified release management system for all Quantum Systems products. This position coordinates across teams and technologies, making sure that product features align and releases happen smoothly throughout the organization. The work has a direct impact on products used in active combat situations. What you will do Develop and enhance processes for managing product releases across air, land, and sea platforms Coordinate release activities among cross-functional teams and technical groups Maintain predictable and controlled delivery of new features and updates Help ensure reliability and performance for products deployed in challenging, real-world conditions Requirements Background in managing complex, multidisciplinary product releases Strong skills in organization and coordination Comfort working with products designed for defense and security applications Proactive approach and high attention to detail Location This role is based in Kyiv, Kyiv, Ukraine.