Mid Senior Backend Software Engineer jobs in Vilnius – Page 18 | RoboApply Jobs

Mid Senior Backend Software Engineer jobs in Vilnius· Page 18

Results 341–360 of 385 for “Mid Senior Backend Software Engineer” in Vilnius.

385 jobs found

341 - 360 of 385 Jobs
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Nord Security logo
Internship|On-site|Vilnius

Join Saily as we revolutionize mobile connectivity for travelers! With Saily, you can enjoy seamless mobile data across 200+ destinations without the hassle of roaming fees or plastic SIM cards. Our customer base includes millions of satisfied users and countless travelers browsing our services every day.At Saily, we nurture an AI-driven Product Engineering …

Apr 12, 2026
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TechBiz Global logo
Full-time|On-site|Vilnius, Vilniaus apskritis, Lithuania

Join TechBiz Global, a leading recruitment service provider catering to top-tier clients. We are on the lookout for a skilled AI Engineer to join a dynamic team at one of our esteemed clients. If you're eager to advance your career in a cutting-edge environment, this opportunity is tailored for you.Position OverviewWe are seeking a talented AI Engineer to enhance and maintain our existing AI-driven solutions using Kafka, AWS, and Large Language Models (LLMs). Your contributions will be vital in ensuring our systems' reliability, scalability, and performance while also aiding in the development of new features that enhance our platform.Key ResponsibilitiesOptimize and maintain existing AI solutions utilizing Kafka, AWS, and LLMs.Monitor and resolve issues within data pipelines to guarantee smooth data flow and system efficiency.Collaborate with cross-functional teams to deploy AI models into live environments.Enhance features based on LLMs for natural language processing tasks such as text analysis and automation of customer interactions.Design and maintain scalable, secure, and cost-effective solutions on AWS.Ensure high availability and fault tolerance for Kafka-based streaming data systems.Develop and maintain Python applications and scripts to facilitate AI and data processing workflows.Participate in the design and development of innovative AI-driven features to enhance user experience.Stay abreast of advancements in AI, LLMs, and cloud technologies to suggest pioneering solutions.

Oct 10, 2025
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Ignitis Group logo
Full-time|On-site|Vilnius

About the Role Ignitis Group is looking for a Site Reliability Engineer (SRE) to help strengthen the reliability and performance of our IT systems. This position is based in Vilnius and supports the Elbalans Development team. What You Will Do Monitor system performance to ensure high availability and reliability Troubleshoot incidents and resolve issues as they arise Work with cross-functional teams to build and maintain scalable systems Implement improvements that boost system stability and efficiency Location Vilnius

Apr 14, 2026
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Ignitis Group logo
Full-time|On-site|Vilnius

Role Overview Ignitis Group is looking for a Senior Financial Controller (f/m/d) in Vilnius. This position shapes financial management across a varied portfolio and supports the company’s focus on sustainable energy. What You Will Do Ensure the accuracy of financial reporting and maintain compliance with relevant standards Develop and refine financial strategies to support business goals Lead and mentor a team of finance professionals Location Based in Vilnius.

Apr 17, 2026
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Nordsec logo
Full-time|On-site|Vilnius

Join the forefront of digital security with the world's leading VPN provider. Are you a proactive problem-solver ready to shape the future of online privacy? Become a vital part of our innovative team that developed Threat Protection Pro, the NordLynx protocol, and the fastest VPN service available—solutions that empower users to regain control over their online security and data privacy.What will you achieve? You will contribute to helping millions of users reclaim their online security, privacy, and data integrity.

Mar 9, 2026
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Teltonika logo
Full-time|€18/hr - €24/hr|On-site|Vilnius, Vilnius City Municipality, Lithuania

Join our dynamic team as a Quality Assurance Engineer in Vilnius, at Svylos g. 16, to support and enhance our growing operations.At Teltonika, we specialize in the manufacturing of electronic devices, developing and assembling products ranging from prototypes to large-scale production. We leverage advanced automation and robotics to transform complex ideas into fully developed products.We provide all necessary conditions for each employee to hone their skills, gain comprehensive knowledge about our products, and grow professionally.In this role, you will:Ensure compliance with customer quality requirements.Monitor and maintain the quality of assembly and testing processes in production.Participate in production process risk assessments (PFMEA).Handle and resolve customer complaints regarding product quality (CAPA).Conduct quality data analysis and prepare reports.Oversee and improve quality management systems.Develop and maintain procedures, instructions, standards, and other documentation necessary for quality assurance.Perform process and product audits.

Apr 10, 2026
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Scale Tech logo
Contract|€25/hr - €30/hr|Remote|Vilnius, Vilniaus, Lithuania

Scale Tech partners with a leading Scandinavian cyber security company, focusing on mobile application security. The team brings experience in development and has earned recognition for its work in the industry. Role overview This QA Automation Engineer position is a fully remote, freelance contract based in Vilnius, Lithuania. The engagement is long-term and requires a full-time commitment. What you will do Help ensure the quality and security of mobile applications. Collaborate with teams that use modern technology stacks. Contribute to projects for a respected Scandinavian cyber security client. Position details Remote freelance contract Full-time hours Long-term arrangement

Apr 22, 2026
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Nord Security logo
Full-time|On-site|Vilnius

Join Saily, where we simplify connectivity while traveling with no roaming fees and no plastic SIM cards. Experience secure, high-speed mobile data in over 200 global destinations, enjoyed by millions of paying customers and countless travelers daily.At Saily, we cultivate a unique AI-native Product Engineering culture that empowers our Engineers to:- Take ownership of customer challenges from concept to production- Leverage AI Agents to automate repetitive tasks, allowing Engineers to focus on impactful solutions- Actively contribute ideas for enhancing our processes and agent capabilities- Foster a culture of curiosity, learning, and sharing knowledge- Prioritize delivering a seamless, hassle-free experience for our customersWe prioritize growth, collaborative contributions, and impactful results over rigid hierarchies. At Saily, you’ll find an environment that offers autonomy, context, and cutting-edge AI tools to maximize your potential.We are excited to welcome passionate junior engineers to our team, as we believe that true impact comes from your eagerness to learn and innovate, rather than years of experience. Saily provides the space to build and shape the future of connectivity.What can you look forward to? Hands-on experience in AI-assisted software development, access to a wealth of learning resources, and the chance to work on a product that is not just technically challenging but also meaningful.Bring your skills and vision to Saily and embark on this exciting journey!Key ResponsibilitiesDevelop small tools/features with team support.Collaborate closely with product managers, designers, and fellow engineers.Engage in highly autonomous, small team dynamics.Gain proficiency in utilizing AI agents for specifications, coding, testing, and iterative development.Contribute to enhancing our internal agent network and development processes.Focus on achieving user and business outcomes rather than merely output.

Apr 12, 2026
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Ignitis Group logo
Full-time|On-site|Vilnius

Join our dynamic technical solutions team at Ignitis Group as a Project Engineer, where you will play a crucial role in implementing significant energy projects, from electric vehicle charging infrastructure to energy storage systems. This position is ideal for someone eager to blend technical expertise with project management and client engagement. Do you think we could be a great fit? We look forward to welcoming you to our team!Be part of the #EnergySmart revolution!Contribute to building a green and secure energy ecosystem:Selecting technical solutions for EV charging stations and energy storage systems, preparing cost estimates and commercial proposals, and assessing technical risks;Preparing and analyzing technical documentation, including specifications for designers, suppliers, and contractors, as well as equipment requirements and supplier inquiries;Researching new technologies, manufacturers, and technical solutions, evaluating their suitability for projects;Resolving technical inquiries during project implementation and providing technical support to internal teams;Participating in public and commercial procurements, including proposal preparation;Contributing technically to project execution from solution selection and coordination to work acceptance;Ensuring compliance and quality of equipment and technical solutions at assigned sites.

May 5, 2026
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Ignitis Group logo
Full-time|On-site|Vilnius

Role Overview Ignitis Renewables is looking for a Performance Data Engineer / ETL Developer to support the Asset Performance and Optimization Office. This role focuses on building and maintaining ETL processes that turn raw data into useful insights for the business. Ensuring data integrity and making information accessible across the company are central to the work.

Apr 14, 2026
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scale3c logo
Full-time|On-site|Vilnius, Vilniaus, Lithuania

Join our dynamic internal IT team at scale3c, comprised of approximately 10 talented software developers, a creative web designer, and our visionary CTO. In this role, you will thrive in a product-driven environment where the focus is on innovation, allowing you to build exciting new products and features from the ground up with minimal legacy maintenance.

Jan 15, 2026
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Ignitis Group logo
Full-time|On-site|Vilnius

Ignitis Group is hiring an IT Testing Specialist in Vilnius. This position focuses on supporting the quality and reliability of IT systems across the organization. What you will do Work with teams from different departments to design and execute test plans Carry out thorough testing procedures on software and IT systems Identify and document defects in software solutions Help improve the overall quality of IT projects by sharing findings and suggestions Who this role suits This role is well suited to those starting a career in IT testing and eager to contribute to software quality. The position offers the chance to learn from experienced colleagues and play a hands-on role in project success.

Apr 29, 2026
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god logo
Full-time|On-site|Vilnius, Vilniaus apskritis, Lithuania

About the Role:We are seeking a talented Java Developer (m/f/d) with a passion for software development to join our dynamic team. You will play a crucial role in the entire software development lifecycle, engaging in software and system design, implementation, testing, and documentation. Your specific responsibilities will vary based on project needs and your expertise, discussed individually. You will collaborate with our distributed international teams, with English as the primary communication language.

Aug 21, 2025
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Palantir Technologies Inc. logo
Deployment Strategist

Palantir Technologies Inc.

Full-time|On-site|Vilnius, Lithuania

Join a Transformational CompanyAt Palantir, we create pioneering software that enables data-driven decision-making and operational efficiency. Our platforms are integral in helping our partners achieve remarkable feats such as developing life-saving medications, predicting supply chain disruptions, and locating missing children.Our Mission This position focuses on connecting disparate data points and uncovering insights that lead to impactful solutions. Our clients come to us with a belief that enhanced data utilization is essential for safeguarding their operations, producing high-quality products, shaping effective healthcare solutions, or ensuring safe aid delivery to those in need. As a Deployment Strategist, you will be instrumental in transforming these beliefs into actionable strategies.If you are passionate about leveraging data and technology to tackle complex challenges, we would love to connect with you. Your Role As a Deployment Strategist, you will collaborate with a dynamic team of Engineers, Product Designers, and fellow Deployment Strategists to apply our software to some of the most pressing global challenges. Your objective will be to integrate various streams of thought into a unified understanding of critical issues, data interpretations, product requirements, user motivations, and potential impacts.Deployment Strategists are proactive individuals who delve into our clients’ complex workflows, partner with their teams to analyze data, and navigate the product landscape to drive scalability. Some Deployment Strategists may also tackle internal challenges at Palantir. This role demands a curious and analytical mindset, a keen understanding of product dynamics, and a strong sense of empathy for users to empower our clients in making informed decisions.

Jan 26, 2022
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epsog logo
Full-time|On-site|Vilnius

About the Role epsog is seeking a Pastočių Inžinierė (-ius) to join the team in Vilnius. This role focuses on supporting engineering projects with careful attention to detail and a commitment to quality. What You Will Do Contribute technical expertise to ongoing and new engineering projects Work closely with colleagues to deliver reliable solutions Support the team's efforts to maintain high standards across all assignments What We Value Motivation to learn and grow within the engineering field Attention to detail and a methodical approach to work Ability to collaborate and communicate effectively with team members Location This position is based in Vilnius.

Apr 20, 2026
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Nuvei Technologies Inc. logo
Full-time|On-site|Vilnius, Vilnius City Municipality, Lithuania

Join the forefront of payment processing innovation with Nuvei, a dynamic Canadian fintech company dedicated to empowering businesses globally.At Nuvei, we provide cutting-edge, modular, and scalable technology that allows our clients to seamlessly accept next-generation payments, access a variety of payout options, and utilize comprehensive banking services including card issuing and risk management. With a presence in over 200 markets, local acquiring in 50 markets, and support for 150 currencies and 700 alternative payment methods, we equip businesses with the tools and insights they need to thrive locally and internationally.Your Mission:As a Full Stack Developer in our R&D department, you will play a key role in developing high-quality user interfaces and enhancing client-side experiences, while also maintaining a deep understanding of our back-end systems.The Product:Nuvei Digital Accounts serves as a high-performance platform for global enterprise banking, functioning as an Electronic Money Institution (EMI) and Crypto-Asset Service Provider (CASP). This centralized hub facilitates multi-currency treasury management, real-time foreign exchange, and crypto transfers, bridging traditional financial systems with blockchain-based solutions to manage over 20 currencies and digital assets within a regulated framework.Key Responsibilities:Design and implement application features with a focus of 80% on front-end and 20% on back-end, ensuring seamless integration between both.Develop secure, AI-driven features utilizing both external services and internal microservices.Stay abreast of emerging technologies and methodologies.Lead the creation of modern, responsive user interfaces using Vue.js, ensuring exceptional UI/UX standards.Engage in rapid development cycles using dynamic languages and agile methodologies.

Mar 13, 2026
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Teltonika logo
Full-time|On-site|Vilnius, Vilnius City Municipality, Lithuania

About the Role Teltonika is seeking a Project Coordinator to support the FOTA WEB product team in Vilnius. The FOTA WEB platform enables remote management of GPS tracking devices, making it a key solution for clients in logistics, agriculture, car sharing, and construction. This role sits within the telematics business unit, which focuses on developing user-friendly fleet management technology. Main Responsibilities Coordinate development activities across R&D teams to keep projects on track and aligned with the product roadmap. Break down high-level initiatives into actionable user stories, complete with clear Acceptance Criteria and Definition of Done. Plan software releases and iterations, managing dependencies between hardware and firmware teams. Track the status of ongoing initiatives, monitor risks, and keep a close eye on upcoming milestones. Prepare and deliver product demonstrations, technical presentations, and training sessions for colleagues, partners, and customers. Organize and update documentation such as release notes, feature descriptions, and user guides for both internal and external audiences. Communicate directly with partners and clients to resolve project and technical questions through calls and face-to-face meetings. Identify risks and dependencies across teams, and take steps to address them before they impact delivery. Provide technical support at a high level, helping troubleshoot complex issues and manage critical incident escalations. Collaboration This is a cross-functional position. The Project Coordinator will work closely with the Product Manager, Technical Lead, developers, support teams, and marketing to ensure features are user-friendly and integrate well with both hardware and software. Location Vilnius, Vilnius City Municipality, Lithuania

Apr 15, 2026
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Psicro logo
Full-time|On-site|Vilnius

Role overview Psicro is looking for a Full Stack Developer with a focus on AI Solutions to join the team in Vilnius. This position centers on building technology to support new artificial intelligence products. What you will do Design, develop, and implement software for projects driven by AI Work on both front-end and back-end systems Collaborate with team members to deliver solutions that fit client needs Why join Develop technical skills in a company that prioritizes AI innovation Take part in projects that make a difference for clients Join a supportive team based in Vilnius, a growing tech hub

Apr 27, 2026
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Teltonika logo
Full-time|On-site|Vilnius, Vilnius City Municipality, Lithuania

Teltonika seeks a Quality Control Engineer to join its electronics manufacturing team in Vilnius. This role centers on maintaining high product quality throughout the production process. Daily tasks include hands-on inspections and active collaboration with colleagues from different departments to strengthen quality assurance efforts. Main responsibilities Monitor and uphold quality standards during all stages of production Carry out product inspections at multiple points in the manufacturing cycle Collaborate with teams across the company to refine quality control procedures Contribute to ensuring product integrity before products are released Location This position is based in Vilnius, Vilnius City Municipality, Lithuania.

Apr 24, 2026
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Nord Security logo
Full-time|On-site|Vilnius

Join Nord Security and help us shape a safer cyber future.At Nord Security, we empower individuals and businesses to reclaim their online security, privacy, and data. Our innovative solutions, ranging from VPNs and password managers to threat intelligence and eSIMs for travel, are trusted by millions around the globe.In this pivotal role, you'll enable people to take control of their digital lives.As a Senior Events Manager, you will lead the charge in executing over 50 events each year, from intimate internal gatherings to large-scale initiatives catering to 1500+ participants. You will be instrumental in defining our event strategy and enhancing the overall performance of our event team.Key ResponsibilitiesComprehensive event management: Direct and ensure the successful execution of virtual, live, and hybrid events from ideation through to wrap-up, guaranteeing a flawless experience at every phase.Strategic event planning: Assist in developing the annual event strategy by pinpointing opportunities, prioritizing initiatives, and aligning them with overarching business goals.Budget management: Assume full responsibility for event budgets — from forecasting and negotiating costs to post-event financial reconciliation, maximizing impact within budgetary constraints.Vendor and partner relations: Cultivate and sustain a strong network of reliable vendors, venues, and agencies, negotiating favorable terms and ensuring high-quality delivery.Cross-functional collaboration: Partner closely with HR and leadership teams to ensure alignment with brand strategy and corporate objectives.Performance metrics and ROI assessment: Establish success indicators for each event, gather data, and produce post-event reports with actionable insights to continuously improve our events.Creative concept development: Create event concepts, themes, and innovative ideas that resonate with our brand strategy and business aims.On-site management: Serve as the primary contact for flawless execution during our events.Team mentorship and support: Guide and elevate the event team through mentorship and proactive support.

Apr 12, 2026

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