Senior Software Engineer / Team Leader

Join our dynamic team at Sigma Software Group as a Senior Software Engineer / Team Leader, where you'll play a pivotal role in leading innovative projects and guiding a skilled team of developers. You will be responsible for architecting robust software solutions, ensuring high-quality code, and mentoring junior developers.We are looking for a passionate leader who thrives in a collaborative environment and is eager to take on challenges. If you have a strong background in software engineering and a desire to lead a team towards success, we want to hear from you!

Are you passionate about leading a team while writing high-quality code? Join Sigma Software as a Senior Software Engineer / Team Leader! In this pivotal role, you will guide a talented team of engineers, overseeing code reviews, design critiques, and career development while collaborating with our integration teams.Design and develop scalable solutions, ensuring a balance between production-ready code and rapid proof-of-concept development.Take ownership of sprint planning and execute the quarterly roadmap effectively.Serve as the final escalation point for complex technical challenges.Quickly learn and adopt new technologies while strategically managing technical debt.

Join our dynamic UCP team at Nordsec as a Senior Software Engineer specializing in React. In this role, you will engage in developing innovative software solutions that enhance user experiences and drive our mission forward. Your expertise in React and software development will be pivotal in designing, implementing, and maintaining high-quality applications.As a member of our team, you will collaborate with cross-functional teams, contribute to architectural decisions, and mentor junior developers. We value creativity, problem-solving, and a commitment to excellence.

Join our dynamic API team as a Lead Senior Software Engineer at Nearmap, where your expertise will drive innovative software solutions that align with our business goals. You will lead a talented group of developers in designing, implementing, and delivering impactful software that addresses real-world challenges faced by our users. Collaborating closely with the Product team, you will help design software solutions that enhance our development team's capabilities by promoting best practices and mentoring individuals to reach their full potential.Your contributions will impact a sophisticated platform that processes massive volumes of aerial imagery, powers cutting-edge AI models, and provides real-time geospatial insights to clients globally. Our systems stretch the limits of performance and scalability, from data ingestion and processing to intelligent delivery through APIs and customer-facing applications.This is a unique opportunity to influence quality practices across a comprehensive platform that includes high-resolution imagery, AI-driven insights, and scalable data delivery systems, all while establishing API projects at our new engineering hub in Warsaw. You will play a pivotal role in guaranteeing the reliability of systems that are revolutionizing decision-making across various industries at scale.At Nearmap, we seek engineers who are adaptable, exhibit leadership qualities, and are eager to tackle new challenges across the full stack as we continue to advance technology.

Join Nearmap as a Lead Senior Software Engineer on our dynamic API team, where you will spearhead the design, implementation, and delivery of innovative software solutions that align with our business goals. Your expertise will empower our developers to tackle real-world challenges faced by our users.In this pivotal role, you will collaborate closely with the Product team to analyze requirements, design robust software solutions, and elevate the capabilities of the development team through best practices and mentorship. You will have the unique opportunity to contribute to a powerful platform that manages petabytes of aerial imagery, fuels sophisticated AI models, and provides real-time geospatial insights to clients worldwide. Our systems are designed for high performance, scalability, and cutting-edge innovation, managing everything from data ingestion to API delivery and customer applications.This is a rare chance to influence quality practices across an extensive platform integrating high-resolution imagery, AI-driven insights, and scalable data delivery systems while establishing API initiatives in our new Warsaw engineering hub. Your contributions will be instrumental in ensuring the reliability of systems that are transforming decision-making processes across various industries.At Nearmap, we value versatile engineers who possess leadership skills and enthusiasm for overcoming new challenges across the full technology stack as we continue to advance our capabilities.

As a Lead Senior Software Engineer on the API team at Nearmap, you will take charge of guiding developers in the design, implementation, and delivery of innovative software solutions that significantly contribute to Nearmap's business goals and effectively address real-world challenges faced by our users. You will collaborate closely with the Product team to analyze, design, and enhance software solutions while elevating the development team's skills by promoting best practices and providing coaching to help individuals reach their full potential.Your work will directly impact a platform that manages petabytes of aerial imagery, drives sophisticated AI models, and delivers real-time geospatial insights to clients globally. From data ingestion and processing to intelligent API delivery and user-facing applications, our systems redefine performance, scalability, and innovation.This role presents a unique opportunity to influence quality practices across a comprehensive platform that encompasses high-resolution imagery, AI-driven insights, and scalable data delivery systems while helping to establish API projects within our new engineering hub in Warsaw. You will play a vital role in ensuring the dependability of systems that are transforming how industries make pivotal decisions at scale.At Nearmap, we seek engineers who are adaptable, exhibit leadership qualities, and are eager to tackle new challenges across the full stack as we strive to advance technology.

Join Nord Security and innovate the future of online safety.At Nord Security, we empower users and businesses to reclaim their online privacy and security. Our diverse range of solutions—from VPNs and password managers to threat intelligence and eSIMs—are designed to address complex security challenges, earning the trust of millions around the globe.As a Senior Software Engineer, you'll play a pivotal role in enhancing our User Control Panel, ensuring users have a seamless and secure experience.Key ResponsibilitiesDesign and enhance a sophisticated User Control Panel to foster user trust and engagement, driving sustainable growth.Implement new features and improve user flows within the account management portal, including subscriptions, billing, and security options.Maintain a high-quality, scalable front-end codebase using modern best practices.Continuously enhance code quality, performance, and user experience.Write and uphold unit and integration tests alongside feature development.Contribute to the component library and design system standards.Engage in code reviews to uphold engineering excellence.Collaborate with backend engineers to define API contracts and handle errors effectively.Work with QA engineers to guarantee feature reliability and document workflows.Debug and resolve issues throughout the frontend stack, including UI rendering and state management.Advocate for best engineering practices and contribute to improving development processes.Conduct research and development activities to support new initiatives and make informed technical decisions.Mentor team members and provide technical guidance on best practices.Shape the team's technical vision and contribute to long-term goals.Essential Qualifications4+ years of experience in JavaScript and TypeScript programming.2+ years of hands-on experience with React framework.In-depth understanding of web development principles, testing methodologies, and performance optimization techniques.Proficiency in modern front-end development practices and tools.Strong problem-solving skills and attention to detail.

MyDr, part of the Docplanner group alongside m.in and ZnanyLekarz, develops technology for healthcare, specifically, advanced software for Electronic Medical Documentation (EMD) and comprehensive clinic management. Since 2017, MyDr has become a key provider of cloud-based EMD solutions in Poland, supporting over 65,000 daily users who rely on its tools to keep healthcare safe and efficient. Role overview The Customer Care Team Leader will guide the Business Customer Care team in Warsaw. This position focuses on leading people, monitoring team performance, and driving process improvements. Main responsibilities Lead a team of about 16, supporting their daily work and professional growth. Recruit and onboard new team members. Hold regular one-on-one meetings to strengthen relationships and exchange feedback. Analyze and report on team performance using established KPIs. Review customer interactions, including call recordings, and provide actionable feedback through coaching forms. Support team members’ development with growth plans, career paths, and involvement in additional projects. Advocate for the customer’s perspective in discussions with product teams, helping to improve service processes. Additional activities Participate in cross-department and international projects, working with Customer Care, Sales, Product, and other teams. Recommend process improvements and share feedback on new initiatives. Join client meetings and onboarding sessions to stay informed about client needs and suggest process enhancements. Promote a culture of continuous improvement and high standards within the team. Location This role is based in Warsaw.

Telemedi is a pioneering company in the healthcare sector, employing software developers, physicians, and experts from various fields to create innovative solutions that enhance patient care. Our mission is to leverage technology to ensure convenient and immediate access to medical services for everyone.As a Junior Customer Service Team Leader, you will oversee the operations of our call center, ensuring the delivery of exceptional customer service.We are looking for a candidate who:exhibits outstanding organizational skills,is communicative and empathetic,has experience working in a call center environment, which is a plus.Your responsibilities will include:analyzing calls made by call center agents to continually enhance customer service quality (70% of your time);conducting daily selection and recruitment of call center staff (20% of your time);reporting on performance outcomes (10% of your time).

Telemedi is a dynamic player in the healthcare sector, employing developers, doctors, and experts to create innovative solutions that enhance patient care. Our mission is to leverage technology to ensure everyone has convenient and immediate access to medical assistance.As a Call Center Team Leader, you will collaborate with us to drive innovations in telemedicine and insurance.We are looking for an individual who:Has experience in organizing call center operations and recruitment.Possesses excellent time management skills.Is personable and empathetic.Your responsibilities will include:Supervising call center operations actively, verifying agent activities.Conducting swift and effective recruitment for the call center.Overseeing customer service quality, reviewing calls and transcripts to catch fraud.Organizing and delivering training for call center staff.Preparing monthly financial reports for call center employees.Note: The first three tasks will constitute 80% of your work time.RequirementsWhat we expect from you:A minimum of one year of experience in a similar position within a call center (Coordinator, Supervisor, Team Leader).The ability to adapt to a dynamic and ever-evolving environment.Experience working with KPIs and SLAs, with a positive attitude towards data management.Proficiency in Microsoft Office Suite, especially Excel.Fluency in Polish, both spoken and written; knowledge of English is a plus.Our values:Empathy up, not down. Our boss is the client.Organizational “Yes”: We welcome those who enthusiastically embrace change and new opportunities.Ensure others hear the truth from you and accept it when you hear it.5x Why: We encourage questioning “why?” to seek better solutions.Doing the right things the right way at the right time. It’s not about doing anything, but doing what makes sense.Ambition with a capital A.We look both ahead and behind in processes.Dedication.Systematic and disciplined.What doesn’t fit our culture:Inability to organize work...

We are seeking a dynamic and experienced Team Leader for UAC Buyer to join our vibrant team at joinus in Warsaw. In this role, you will lead a team of dedicated professionals in executing user acquisition campaigns that drive growth and enhance our market presence. You will be responsible for strategizing and optimizing performance marketing initiatives, collaborating with cross-functional teams, and leveraging data-driven insights to achieve our ambitious targets.

Join our dynamic team at evooq as a Senior Software Engineer! In this role, you will leverage your extensive experience in software development to design, implement, and maintain high-quality software solutions that meet our client’s needs. You will collaborate closely with cross-functional teams, contributing to all stages of the development lifecycle. If you are passionate about technology and eager to make a significant impact, we want to hear from you!

Join Telemedi as a Junior Team Leader and be part of a revolutionary journey in the telemedicine and insurance sectors. At Telemedi, we harness the power of technology to enhance patient care, ensuring that everyone has easy and instant access to medical services.In your role as a Junior Team Leader in the Customer Service department, you'll collaborate with a dynamic team to drive innovation in healthcare solutions.Your responsibilities will include:Conducting swift and effective recruitment processes.Listening to customer interactions to ensure quality standards are met.Overseeing the performance of customer service agents.Reporting findings and insights to other departments.Note that the first three responsibilities will constitute 80% of your work time.

Role overview SmartRecruiters is seeking a Senior Software Engineer with strong Python skills to join the team in Poland. This role focuses on building and enhancing scalable software that supports the company’s product suite. Senior engineers at SmartRecruiters play a key part in shaping technical decisions and work closely with colleagues from various teams. What you will do Design and implement software solutions using Python Work with product managers, designers, and engineers to deliver new features Promote development best practices and contribute to architectural choices Mentor junior engineers and help them grow technically Requirements Experience building scalable applications with Python Comfort working in a collaborative setting that can move quickly Interest in solving practical problems with technology Ability to share knowledge and support less experienced team members

As a Senior Software Engineer focusing on AI Retrieval at Asana, you will play a pivotal role in designing and implementing cutting-edge solutions that enhance our AI capabilities. You will collaborate with cross-functional teams to build scalable systems that improve information retrieval and user experience. Your expertise in software engineering and artificial intelligence will help drive innovation and set new standards for efficiency and performance.

Senior Software Engineer, Data Foundations ABOUT THE ROLE At Peloton, we view Data as a Product—a vital asset that drives every member interaction and influences business decisions. Our Datastores team is committed to offering a dependable, secure, and high-performing data persistence layer for application services throughout the organization. Our core principles include: 1. Safeguard the data, 2. Optimize for scalability, speed, and reliability, and 3. Minimize manual effort. We are seeking a Senior Software Engineer with extensive experience in constructing and managing data-intensive systems to join our Datastores team. This position is perfect for a backend engineer who has developed and maintained production systems heavily reliant on databases, caching layers, and data pipelines, and who is eager to advance their knowledge in scalable, cloud-native data infrastructures. You will collaborate at the intersection of application engineering and data platform reliability, working alongside service teams to enhance the storage, access, scalability, and observability of data across Peloton’s ecosystem. YOUR DAILY IMPACT AT PELOTON Your responsibilities will include: Designing, building, and maintaining backend systems that depend on scalable and highly available data persistence layers. Collaborating with service teams to refine database design, enhance query performance, and optimize data modeling. Contributing to automation efforts surrounding infrastructure provisioning using tools like Terraform and Backstage, while improving developer experience by creating self-service tools for databases and caching systems. Focusing on observability, performance insights, and autoscaling strategies for production datastores. Participating in architectural discussions regarding multi-regional data persistence and global scalability. This role merges hands-on backend engineering with significant exposure to cloud data systems and platform reliability challenges. WHAT YOU BRING We are looking for proficient backend engineers who are data-centric—those who have built systems where data performance, reliability, and modeling are crucial. 5+ years of software engineering experience in developing production backend systems. Strong familiarity with relational databases such as PostgreSQL or MySQL, including schema design, indexing, and query optimization. Experience with NoSQL datastores like DynamoDB, Redis, Elasticsearch, or Memcache. Exposure to data pipelines, event-driven architectures, and cloud technologies.

Join Ergomed as a Pharmacovigilance Officer and lead a dedicated team in ensuring drug safety and regulatory compliance. In this pivotal role, you will oversee the monitoring and reporting of adverse drug reactions, guiding your team to maintain the highest standards of pharmacovigilance practices.As a Team Leader, you will leverage your line management experience to mentor and develop your team, ensuring effective communication and collaboration across various departments. Your expertise will be key in driving continuous improvement and fostering a culture of safety within the organization.

Join our innovative team at Aurora Solar as a Senior Software Engineer. In this role, you will help drive our mission to revolutionize solar energy solutions on a global scale. Your expertise will contribute to developing cutting-edge software that empowers solar professionals and enhances efficiency in solar project management.As a key player in our engineering team, you will work collaboratively with cross-functional teams to design, implement, and optimize software solutions that meet the needs of our international clientele. Your contributions will directly impact the future of renewable energy technology.

Join the forefront of digital privacy with Nordsec!Are you a passionate and innovative software engineer ready to tackle complex challenges? Become a pivotal part of our dynamic team responsible for developing cutting-edge technologies such as Threat Protection Pro, the NordLynx protocol, and the world’s fastest VPN. Your contributions will empower millions of users to reclaim control over their online security, privacy, and data.

Join our dynamic team at Inetum2 as a Senior Fullstack Software Engineer, where you'll be at the forefront of developing innovative software solutions. In this role, you will leverage your expertise in both frontend and backend technologies to build scalable applications that enhance user experience. Collaborate with cross-functional teams to design, develop, and maintain high-quality software products.