Senior Software Engineer - Python/Java (Security)

Join Valka as a Python Engineer!Valka, an innovative offshoot of the Realms Group, is redefining digital content creation and experience. We envision a future where content is co-created in real time, integrating imagination with reality through advanced AI technologies. Our aim is to develop an interactive human-digital platform that allows virtual characters to engage dynamically with users through voice, text, gestures, and more.Seize this opportunity to be part of a diverse team of trailblazers committed to transforming generative content. We're shifting the experience from passive consumption to active participation, paving the way for new creative avenues in gaming, entertainment, education, and beyond.

Our Tech Stack: Python 3 (asyncio), Airflow, Docker, PostgreSQL/TimescaleDB, GitLab, Metabase, Streamlit, RabbitMQ, Kubernetes, AWS (S3, EC2), and we also explore ClickHouse, Apache Iceberg, DuckDB, and Trino.We are Quantlane, a proprietary trading firm designed for traders. We operate a diversified portfolio of systematic and discretionary strategies across equities, futures, energy, and commodities. A key aspect of our company is our data platform, which provides various data that our traders (and their algorithms) rely on for their trading decisions.‍ Our Working StyleOur development team consists of 16 members, working in an agile environment where we focus on iterative development and emphasize testing. We currently have three specialized product sub-teams — Execution, Data, and Infrastructure — each concentrating on the development and operation of our core domains. Who We Are Looking ForWe are seeking a new member for our Data team, which currently includes five data engineers and one data scientist. Here, we tackle intriguing data challenges, ensuring that data is delivered in the required quality, format, and time to the desired location. Do you want to contribute to the development of a data platform that has a real impact on the success of our traders? Join us!

Our Technology Stack: Python 3.12 (asyncio, FastAPI, Django), Docker, PostgreSQL, Gitlab, Apache Avro, Kubernetes, AWS, RabbitMQ, C/C++/RustWe are Quantlane, a proprietary trading firm designed for traders. We operate a diversified portfolio of systematic and discretionary strategies across equities, futures, energy, and commodities. A pivotal element of our company is our proprietary trading platform – software that enables both manual and algorithmic trading strategies.‍ Our Work Culture:Our development team consists of 16 individuals, and we thrive in an agile environment, focusing on iterative development with a strong emphasis on testing. Currently, we have three specialized product sub-teams: Execution, Data, and Infrastructure that concentrate on the development and operation of our core domains. Who We Are Looking For:We are seeking an experienced developer to join our Execution Platform community, where we have three proficient Python developers. You will tackle challenging backend issues, focusing on performance, platform optimization, as well as system scalability and robustness.Are you ready to contribute to the development of a platform that significantly impacts our traders' success? Join us!

Role Overview GoodData is looking for a Senior Python Engineer with a focus on Artificial Intelligence to join the team in Prague. This role centers on building AI solutions that support data analytics and business intelligence initiatives. What You Will Do Develop AI-driven features and tools using Python Work on projects that advance data analytics and business intelligence capabilities Collaborate with other engineers and teams to deliver reliable, scalable solutions Location This position is based in Prague.

Filevine is a pioneering company in Legal AI, committed to revolutionizing legal operations through its innovative Legal Operating Intelligence (LOIS) platform. By integrating data, documents, workflows, and teams into a cohesive system, Filevine enhances clarity and efficiency in modern legal work.With LOIS at its core, Filevine empowers legal professionals by transforming reactive operations into proactive solutions. LOIS interprets and analyzes data to provide actionable insights, automate complex processes, and instill confidence in decision-making. Our fast-paced growth and remarkable achievements have garnered accolades from prestigious organizations such as Deloitte and Inc., recognizing us as one of the most innovative and rapidly expanding technology firms in the industry.As a Solutions Engineer, you will play a pivotal role in our sales team, collaborating closely with Account Executives (AEs) to effectively demonstrate our complex SaaS products to law firms and corporate clients. Your ability to understand client needs and craft engaging narratives within our demo environment will be essential. You will serve as the technical authority, simplifying intricate concepts for non-technical stakeholders while also addressing the technical details for more knowledgeable audiences. Given our continually evolving product suite, we seek a highly motivated individual who possesses a strong curiosity and the ability to swiftly master our latest offerings, their functionalities, and the value they provide. Join us if you are driven and confident in your capabilities to achieve outstanding results within our organization.

About UsAt duvo, we are revolutionizing the way enterprise teams manage data across systems. Many businesses are bogged down by the chaos of data transfer via emails, outdated user interfaces, and cumbersome handoffs, leading to inefficiencies that are costly and risky.Our dynamic team is dedicated to eliminating these challenges once and for all. With strong traction in the market, we are addressing real-world problems for our customers. To achieve our goals, we seek extraordinary talent that is committed to excellence. We value humility, hard work, and results-driven outcomes.Our VisionWe are developing the Agentic Automation Platform for enterprises—a cutting-edge solution that empowers AI agents to execute comprehensive workflows across user interfaces and APIs, all while ensuring robust governance. Our approach goes beyond traditional methods; while copilots may assist, at duvo, we ensure the job gets done.Business users define their desired outcomes, and our intelligent agents handle the planning, execution, exception approvals, and adaptive learning. We are initially focusing on sectors like retail, finance operations, and supply chain management, where the return on investment is clear, before expanding into further areas.Speed is our competitive advantage: we ship rapidly, iterate even faster, and foster continuous learning.

Twisto, a Param Company, is a dynamic financial services provider making waves across Central and Eastern Europe. Our innovative app empowers customers with complete control over their payments, allowing them to defer or split purchases, share expenses, pay invoices, and shop seamlessly with both virtual and physical cards. At Twisto, we prioritize clarity, convenience, and competitive exchange rates for both local and international transactions. As we continue to grow rapidly, we are committed to innovating and expanding our services to enhance everyday financial experiences.We are currently seeking a DevOps Engineer to join our team, where you will play a pivotal role in developing, automating, and optimizing the infrastructure and tools that enable Twisto to operate efficiently. You will collaborate with a talented and forward-thinking team that embraces innovation, automation, and efficiency.Your Responsibilities:As a DevOps Engineer, your contributions will be vital in evolving and scaling our infrastructure and engineering methodologies. In the coming year, our team will focus on several strategic initiatives, such as:Revamping our CI/CD ecosystem with an emphasis on reusable and standardized pipelines while transitioning existing applications and microservices towards a unified delivery model.Enhancing our monitoring and observability stack, transitioning between monitoring solutions to bolster system visibility, reliability, and alerting mechanisms.Improving autoscaling and performance of cloud resources, ensuring the platform scales effectively while maintaining stability and resilience.Optimizing cloud costs and resource utilization in AWS through intelligent infrastructure design and automation.Championing Infrastructure as Code as a foundational principle, ensuring all infrastructure and operational processes are fully codified and serve as a single source of truth.Strengthening security practices across infrastructure, CI/CD pipelines, and runtime environments.Consistently enhancing system observability, reliability, and operational excellence in close collaboration with engineering teams.This opportunity is ideal for a DevOps Engineer who thrives in a structured team environment, values continuous learning and experimentation, and takes pride in incrementally improving systems. We foster an atmosphere where sharing ideas, adopting new tools, and refining our DevOps practices is encouraged.

Join Filevine, an innovative leader in Legal AI, as we redefine the future of legal work through our cutting-edge platform that integrates data, documents, workflows, and teams seamlessly. Our unique approach, grounded in a singular system of truth, enhances clarity and consistency in modern legal operations.At the heart of our operations is LOIS, the Legal Operating Intelligence System, which transforms legal practices by proactively surfacing insights, automating complexities, and empowering professionals to achieve greater clarity and confidence. Our commitment to excellence has garnered us accolades, including recognition from Deloitte and Inc. as one of the fastest-growing and most innovative tech companies.Role Overview:As a Staff Software Engineer, you will be instrumental in shaping the technical trajectory of Filevine. You will design and develop robust systems that ensure our platform remains fast and reliable, catering to the demands of the future—covering everything from web applications to distributed backend services that enhance AI-driven functionalities.This position is focused on tackling complex challenges that require cross-team collaboration and innovative problem-solving. You will work closely with engineering leadership, provide mentorship to teams, and elevate the technical standards organization-wide.

Why Join Aisle?At Aisle, we are transforming the landscape of enterprise software security by leveraging AI agents for autonomous vulnerability remediation. With vulnerabilities identified as the leading cause of cyber incidents, we recognize the urgency of timely patching, a task that often takes organizations weeks or even months. Our innovative approach is here to change that.Our core mission is to safeguard democratic societies against the most advanced cyber threats. By empowering organizations, including those responsible for critical infrastructure, we enable them to fortify their systems and address security concerns with unmatched speed and scalability. Supported by a team of world-class founders and advisors, we are pioneering a new category in cybersecurity that merges AI, automation, and enterprise resilience.As a compact, highly skilled team spread across the US, Europe, and Israel, we prioritize ownership, agility, and collaborative spirit. If you aspire to work alongside top-tier minds in AI and security, thrive in dynamic settings, and are passionate about tackling one of the most challenging issues in technology, Aisle is the ideal workplace for you.

Join Twisto as an Engineering ManagerTwisto, a Param Company, is at the forefront of modern financial services in Central and Eastern Europe. Our innovative app empowers users to manage their payments seamlessly, offering features like purchase deferral, expense sharing, invoice payments, and shopping with both virtual and physical cards. With a commitment to transparency, convenience, and competitive exchange rates, we are dedicated to enhancing our customers' everyday lives through continuous growth and innovation.Your Role and ResponsibilitiesAs our Engineering Manager, you will lead a talented team focused on developing exceptional web and mobile financial solutions. You will work collaboratively with product analysts, managers, and engineers throughout the entire development lifecycle, playing a pivotal role in enhancing the Twisto experience and spearheading our expansion throughout Europe.Oversee the planning, coordination, and execution of projects and product initiatives to align with quarterly objectives, guided by Senior Leadership.Manage project timelines, scope, resources, risks, and production issues, ensuring successful and timely delivery.Facilitate collaboration across cross-functional teams (engineering, product, design) by organizing workflows, tracking progress, and addressing blockers.Establish effective communication processes to ensure accountability and alignment within the team.Collaborate closely with direct teams and product partners on projects with clear objectives and defined scopes.Enhance core engineering processes such as sprint planning, on-call rotations, bug triage, and metrics review.Empower the team by promoting operational excellence and fostering a productive work environment.Mentor team members to advance their career development and performance.Document lessons learned to continuously refine project delivery and team operations.

Filevine is a pioneering company in the realm of Legal AI, dedicated to providing Legal Operating Intelligence for the future of legal work. Our platform integrates data, documents, workflows, and teams into a cohesive system—where modern legal tasks are performed with transparency and consistency.Driven by LOIS, the Legal Operating Intelligence System, Filevine enhances the legal operations process by transforming it from reactive to proactive. LOIS comprehends and analyzes your data to uncover insights, streamline complexities, and empower legal professionals with the clarity and confidence needed to excel. Our remarkable growth has been recognized by prestigious awards from Deloitte and Inc., acknowledging us as one of the most innovative and rapidly expanding technology firms in the nation.As a Software Engineer, you will play a crucial role in redefining the capabilities of legal technology. Your responsibilities will include developing web applications and essential backend services that interface with AI models such as GPT, Claude, and Gemini.At Filevine, you will enjoy a dynamic work environment where solving real-world customer challenges, owning features from inception to deployment, and influencing our software development practices at scale are part of your everyday experience.

Join Collibra's Innovative Artificial Intelligence Team We are on the lookout for a seasoned AI Engineer to architect and implement Artificial Intelligence solutions that enhance our customer experience and facilitate informed, data-driven decision-making. If you are passionate about leveraging cutting-edge technologies to create effective, high-performance AI solutions, this role is for you. You will collaborate with a global team of exceptional builders, united by a commitment to innovative technology, problem-solving, and the pursuit of crafting simple, elegant products that engage and delight customers at every level of data interaction. This is a hybrid role based in our Prague office, where you will work on-site at least two days a week. This model fosters connectivity, teamwork, and collective progress.

About Gen Digital Gen Digital builds solutions for digital freedom and security, serving nearly 500 million users in over 150 countries. The company’s brands include Norton, Avast, LifeLock, and MoneyLion. Products span cybersecurity, online privacy, identity protection, and financial wellness. The team works to protect consumers as they manage their digital and financial lives. Gen values people who are curious, thoughtful, and ready to work with AI as a partner to get results. Gen Digital offers flexible work options, competitive pay, and wellness programs to support employees’ well-being. The culture emphasizes agility, customer focus, open debate, experimentation, and continuous learning. Diverse experiences and perspectives are seen as strengths. Team members support and respect each other, and diversity is considered a strategic advantage. About the Engineering Internship This paid internship runs from July 1 to September 30 in Prague. Interns join a team of eight engineers who design scalable, efficient, and resilient services to detect and counter online threats. The group focuses on high-performance microservices, primarily using Rust and Python, and deploys services in Kubernetes. Much of the work centers on anti-scam and anti-phishing technologies. What You Will Do Work alongside experienced engineers on real cybersecurity problems Gain practical experience with microservices, databases, and cloud infrastructure that handle thousands of requests per second Help develop, test, deploy, and monitor features within the team’s technology stack Learn and use tools such as Kubernetes, Git, Unix utilities, and scripting languages Explore new technologies and performance improvements with guidance from mentors

Role overview ComplyAdvantage is hiring a Junior Software Engineer for its Prague office. This role centers on building software tools that assist businesses with risk and compliance management. What you will do Collaborate with experienced engineers on various software projects Contribute code and share ideas to improve products that address clients’ compliance needs Grow technical skills through practical work and team collaboration Team culture The engineering team values learning and mutual support. Team members share knowledge, help each other develop, and work together on projects that benefit customers.

Join Our Dynamic Real-Time Engineering Team!We are on the lookout for exceptional Senior Software Engineers to amplify our capabilities. At Cint, our Real-Time Engineering team is a collective of highly skilled individuals who thrive on tackling challenging projects. We pride ourselves on our extensive experience in designing and implementing complex systems that effectively manage unusually high traffic volumes. Our team culture fosters support and collaboration, ensuring every member feels valued. We believe in not just working together but also enjoying social interactions, making our workplace vibrant and enjoyable.Your Role and ResponsibilitiesAs a key member of our results-driven team, you'll find that our focus is purely on product quality and timely delivery. We eliminate workplace politics and distractions, prioritizing the code that directly impacts millions of users daily. You’ll collaborate with other top-notch engineers, ensuring that we collectively deliver a world-class product. The stakes are high; each error or downtime could result in significant financial loss.

About Gen Digital Gen Digital builds cybersecurity, privacy, identity protection, and financial wellness solutions used by nearly 500 million people in over 150 countries. Brands in the Gen Digital family include Norton, Avast, LifeLock, and MoneyLion. The company’s focus is digital freedom and financial empowerment for today’s connected generations. Teams at Gen Digital share a commitment to protecting consumers as they manage their digital and financial lives. Employees have access to flexible work options, generous time off, and competitive pay and benefits. The company values healthy debate, experimentation, and ongoing learning. Diverse perspectives and experiences are seen as strengths, and team members support and respect one another. Software Engineering Internship Overview This is a paid summer internship in Prague, running from June 15th to September 15th. Interns join a team of eight engineers focused on building scalable microservices for detecting and stopping online threats, especially scams and phishing. The group works with Rust and Python, deploying services on Kubernetes that handle thousands of requests per second. Interns work on real cybersecurity challenges and contribute to production systems. What You Will Do Work with experienced engineers to design and develop microservices Take part in feature development, testing, deployment, and monitoring Use technologies such as Kubernetes, cloud infrastructure, and various databases Apply tools like Git, Unix, and scripting environments in daily work Explore performance improvements and new technologies with guidance from mentors Location Prague, Czech Republic

Join Our Team at Valka.aiAt Valka.ai, a pioneering spin-off from the esteemed Realms Group, we are dedicated to transforming how individuals create and engage with digital content. Our vision is to ensure that content goes beyond mere consumption; it should be co-created in real time, merging imagination with reality. Leveraging state-of-the-art AI technology, we are developing an interactive platform that allows virtual characters to respond dynamically to users' voices, text, gestures, and more.This is an exciting opportunity to collaborate with a diverse team of innovators who are passionate about redefining the landscape of generative content. Together, we aim to shift the experience from passive viewing to active participation, unlocking new avenues for creativity across gaming, entertainment, education, and beyond.

Join Filevine, a pioneering Legal AI company redefining the future landscape of legal work through our innovative Legal Operating Intelligence (LOIS) platform. Our unique system integrates data, documents, workflows, and teams into a cohesive environment where legal professionals can operate with exceptional clarity and efficiency.With LOIS at its core, Filevine empowers legal professionals by transforming operations from reactive to proactive, utilizing advanced capabilities to comprehend and analyze data. Our award-winning technology, recognized by Deloitte and Inc., continues to earn accolades for innovation and rapid growth. Collaborate with a dynamic team of visionaries and innovators dedicated to reshaping the legal field.Role Overview:As a Machine Learning Engineer at Filevine, you will spearhead the design and implementation of advanced NLP models for applications such as medical summarization, credibility assessment, and contradiction detection. Your role will also involve enhancing our transcription pipelines and automating internal AI processes. Collaborate closely with engineering teams to integrate these models into production, ensuring optimal system stability and accuracy while driving forward-thinking advancements in NLP, particularly in the legal and medical sectors, utilizing tools such as Python, PyTorch, and AWS.

Role overview Wrike seeks a Senior Software Engineer in Prague to contribute to the ongoing development of its project management platform. The position centers on designing, building, and maintaining software that supports users and streamlines their workflows. What you will do Collaborate with team members across departments to deliver new features and product enhancements Design and implement software solutions with a focus on usability and performance Maintain and improve existing systems to support a dependable user experience Location This role is located in Prague.