Senior Full Stack Engineer

Full Stack Data EngineerAbout TechTorchTechTorch is an innovative and rapidly growing enterprise technology consultancy that collaborates with some of the world's most prestigious private equity-backed companies. We offer cutting-edge AI-powered solutions, accelerators, and data transformation initiatives designed to deliver significant value swiftly and effectively.Our mission is to revolutionize enterprise technology consulting for private equity. We seamlessly blend the agility of a start-up with the precision and discipline needed by the most discerning investors and operators.Founded by industry veterans, including former Bain consultants, CIOs, and technology leaders, TechTorch possesses extensive expertise in technology, transformation, and value creation. Our focus is on delivering impactful results that matter.About the TeamAt TechTorch, our teams are leading the charge in delivering enterprise technology and data transformation projects that enhance growth and operational performance for private equity-backed organizations.We integrate profound knowledge in data engineering, analytics, and AI with a business-centric approach, crafting and delivering scalable, production-grade solutions that resonate with client goals and timelines.Our global teams collaborate across AI, data, enterprise systems, and digital transformation disciplines to achieve measurable outcomes.About the RoleWe are seeking a Full Stack Data Engineer who possesses a strong foundation in data engineering combined with expertise in business intelligence and analytics.In this role, you will be responsible for designing and constructing scalable data pipelines and architecture in Snowflake, while also managing the downstream analytics layer — creating dashboards, data models, and reporting solutions that empower executive decision-making.You will oversee the entire data stack, from ingestion and transformation to modeling and visualization, ensuring that the data is reliable, efficient, and ready for business use.

Position: Senior Full-Stack Engineer (Data Platform & Tooling)Working Hours: 9am - 5pm Eastern Standard TimeMonthly Salary: Competitive and negotiable based on experienceJoin our dynamic team at lago-1 as a Senior Full-Stack Engineer, where you will play a pivotal role in the development of our cutting-edge data platform. As the ideal candidate, you will be instrumental in constructing reliable data pipelines from diverse external sources, collaborating closely with our talented team to deliver a solution that is not only fast and scalable but also genuinely impactful.If you thrive on the challenge of building complex products from the ground up and value the freedom of end-to-end project ownership, this opportunity is perfect for you!Key ResponsibilitiesDevelop and sustain both web and mobile iterations of the platform.Establish backend systems, APIs, and database architectures optimized for performance and scalability.Convert UI designs into responsive, high-quality implementations.Integrate with external tools and data sources.Oversee deployment, testing, and performance enhancements.Essential QualificationsMust-Have Skills:At least 5 years of experience in building production systems using Python.Expertise in SQL and database design, including schema design, query optimization, and data modeling.Proven experience with ETL and data pipelines.Strong web scraping skills, including browser automation, API reverse-engineering, anti-bot strategies, and rate limiting.Self-driven with a results-oriented mindset.Pragmatic coding approach, balancing clean code with timely deliverables.Open-mindedness and eagerness to learn new domains and adapt based on data insights.Experience working in small teams or startup environments (fewer than 20 people).Preferred QualificationsBackground in e-commerce or marketplace data (Amazon, Keepa, SP-API).Frontend skills for dashboards, internal tools, and reports.Experience with caching strategies, incremental data updates, and API token management.Familiarity with cloud deployment (AWS/GCP).A mindset focused on data validation and quality assurance.BenefitsFlexible Remote Work: Connect with a high-performing team from anywhere.Career Advancement: Enhance your skills in digital marketing and client management.Collaborative Culture: Work alongside passionate professionals who prioritize innovation and teamwork.We encourage all candidates to review and agree to Lago’s Confidentiality and Non-Circumvention Agreement, fostering a respectful and professional recruitment experience.

Bolt is looking for a Senior Full Stack Engineer in Warsaw to help shape and expand an internal task management platform. This role centers on building systems that support real-time decision-making and optimize workflows for agents. What you will do Develop and enhance features for the internal platform, focusing on dynamic task distribution and intelligent workforce management. Create efficient user interfaces that enable agents to work effectively and access actionable insights. Lead frontend architecture decisions and guide the technical direction of the team. Work across the full technology stack, collaborating with engineers and stakeholders. Role overview This position involves tackling product and engineering challenges, from designing scalable interfaces to implementing systems that streamline internal operations. The Senior Full Stack Engineer will play a key part in both technical leadership and hands-on development.

Join Vonage as a Full Stack Software Engineer and embark on an exciting journey to develop innovative solutions that shape the future of communication technology. In this role, you will leverage your expertise in both front-end and back-end development to build dynamic applications that enhance user experience and drive customer satisfaction.

airSlate is hiring a Full Stack Engineer in Poland. This role centers on building and enhancing software products that span both front-end and back-end systems. Collaboration is key, as projects often involve working with design, product, and engineering teams to deliver features that address real user needs. What you will do Develop and maintain software solutions across the full technology stack Work closely with colleagues from design, product, and engineering disciplines Help deliver products that users rely on daily Requirements Experience in both front-end and back-end development Ability to work well in a collaborative team environment Interest in creating software that addresses real-world problems This position requires residency in Poland.

Role overview rho is hiring a Full Stack Software Engineer to help build software that supports how businesses handle their finances. This is a remote role based in Poland. What you will do Work with a team focused on delivering software solutions for business finance management. Projects use current technologies and aim to improve efficiency for clients. Collaboration and problem-solving are part of the daily routine.

Mapbox stands at the forefront of the real-time location platform, enabling a new wave of location-aware businesses. As the only platform providing organizations with a comprehensive toolkit for navigating people, packages, and vehicles globally, Mapbox has garnered the trust of over 4 million registered developers. Our platform is celebrated for its flexibility, stringent security measures, and adherence to privacy regulations. Companies leverage Mapbox's applications, data, SDKs, and APIs to craft tailored and immersive experiences that captivate their customers.About the TeamThe Data Tooling team is responsible for a diverse array of services aimed at reviewing, validating, and editing Mapbox’s global basemap content. Our mission is to provide customers with the most precise and continuously updated Live Map of the world. We utilize sophisticated data processing pipelines and a suite of proprietary tools, refined over the years, enabling us to validate millions of data updates monthly, process thousands of user feedback submissions from vehicles and mobile devices weekly, and annotate millions of anonymized user sessions and telemetry to extract actionable insights at scale.We are on the lookout for a skilled engineer to collaborate with our dedicated group of software engineers, taking ownership of and enhancing our mapping tools to new heights.As artificial intelligence becomes integral to modern engineering workflows, we appreciate engineers who can thoughtfully incorporate AI into design, development, and decision-making processes. Our interview process will involve a discussion on your approach to integrating AI within your engineering workflow.Your Key ResponsibilitiesLead the design, development, and testing of Mapbox tools and services aimed at addressing customer feedback and implementing corrections on third-party data.Tackle complex workflow challenges and enhance both frontend and backend services in response to shifting business requirements, performance metrics, and user feedback.Establish operational metrics to ensure your services meet performance expectations and continuously pursue improvements.Maintain comprehensive documentation for your services.Collaborate closely with the in-house editors team to understand their workflows and gather insights into their daily service usage challenges.Essential QualificationsOver 5 years of experience as a full-stack software engineer.Strong proficiency in JavaScript and modern frontend frameworks, particularly React.

Join Dropbox as a Full Stack Product Software Engineer, where you will play a vital role in developing innovative solutions and enhancing our product offerings. As part of a dynamic team, you will work on both front-end and back-end technologies, contributing to the design, implementation, and optimization of user-friendly applications.

Join aura798 as a Senior Full Stack Engineer and be part of a dynamic team that is shaping the future of technology. In this role, you will be responsible for developing innovative software solutions, improving existing applications, and collaborating with cross-functional teams to deliver high-quality products.The ideal candidate will have a strong background in both front-end and back-end development, a passion for coding, and a commitment to continuous learning. You will work closely with product managers and stakeholders to understand requirements and translate them into technical specifications.

Join our team as a Senior Full Stack Engineer and contribute to cutting-edge projects that push the boundaries of technology. You will work in a collaborative environment, utilizing your expertise in both front-end and back-end development. We're looking for someone who is not only technically proficient but also passionate about delivering high-quality solutions.

At Affirm, we are transforming credit to make it more transparent and consumer-friendly, empowering individuals with the option to buy now and pay later without hidden fees or compounded interest.We are excited to invite a Full Stack Software Engineer to join our Card Acquisition team within the Consumer Engineering organization. This role is perfect for an enthusiastic engineer eager to enhance the quality and speed of our full stack development across mobile, web, and backend systems. Your contributions will significantly shape the initial experiences our customers have with Affirm, fostering trust, clarity, and value right from their first interaction. In this position, you will implement features, engage in technical discussions, and deepen your technical expertise, collaborating closely with product, design, and engineering teams to create polished, high-performance, and accessible user experiences that enhance conversion, retention, and overall business growth.

At Affirm, we are transforming the credit landscape to ensure it is transparent and user-friendly, empowering consumers to make purchases now and pay later without hidden charges or interest accumulation.We are on the lookout for a Staff Full Stack Software Engineer to join our Acquisition & Onboarding team within the Consumer organization. This pivotal leadership position calls for an engineer who can establish technical vision, steer architectural choices, and enhance the quality and efficiency of full stack development across mobile, web, and backend systems. Your contributions will significantly shape the initial experiences our customers have with Affirm, fostering trust, clarity, and value from the outset. As a Staff Engineer, you will define the long-term technical strategy, mentor senior engineers, and amplify your team’s output through your extensive technical knowledge, operational excellence, and adeptness in navigating complexities. Collaborating at the intersection of product, design, and engineering, you will create refined, efficient, and accessible user experiences that directly influence conversion rates, customer retention, and overall business growth.

Join Our Team!We are on the lookout for a highly skilled Senior Full Stack Software Engineer to be a pivotal part of our innovative teams in Warsaw. At Bolt, our engineering teams tackle unique product challenges that involve sophisticated algorithms for demand forecasting, real-time pricing optimization, routing logistics, fraud detection, and distributed systems, among others.About UsWith a customer base exceeding 200 million across more than 50 countries, Bolt stands as one of the fastest-growing tech firms in Europe and Africa. This remarkable growth is a testament to the dedication and talent of our team members.We foster an inclusive culture where every individual is valued, regardless of race, color, religion, gender identity, sexual orientation, national origin, age, or disability. Our ultimate aim is to create urban environments that prioritize people over vehicles, and we would love for you to help us realize this vision!

CreatorIQ develops an AI-native operating system that enables creator-led growth for more than 1,300 brands and agencies worldwide. The platform connects businesses with audiences through genuine creator partnerships. CreatorIQ has been recognized by BuiltIn LA and NY as a top workplace and was named a Leader in Influencer Marketing Solutions by The Forrester New Wave™. The company has also received multiple G2 awards, including Best Customer Relationship and Top 100 Fastest-Growing Products. The team values intentionality, excellence, collaboration, and humanity, and offers a flexible work model to accommodate different work styles. Role overview The Senior Full Stack Engineer (Creator Recruit) will join the Creator Tools team in Warsaw. This team is responsible for shaping the creator experience on the platform, including payments, social authentication, e-commerce, and campaign workflows. The role focuses on building scalable features and improving user experiences that directly impact creators who use CreatorIQ’s tools for their work and income. What you will do Design, build, and maintain features across the stack to create a seamless experience for creators Collaborate with product and design teams to deliver solutions that address real user needs Take ownership of projects from initial concept to deployment Contribute to architectural decisions and help define the technical direction of the Creator Tools platform Maintain high standards for code quality and long-term maintainability Requirements Extensive experience with modern frontend frameworks Strong background in backend development Proven ability to collaborate effectively within a team Comfort working in an environment where priorities and projects can change Impact This position offers the opportunity to make a clear difference for creators who depend on the platform to grow their businesses and support their livelihoods. The work will help shape the future of the creator economy.

Waymo, the leader in autonomous driving technology, is dedicated to becoming the world's most trusted driver. Originating from the Google Self-Driving Car Project in 2009, our focus has been on developing the Waymo Driver—The World’s Most Experienced Driver™. Our mission is to enhance mobility access and significantly reduce traffic-related fatalities. The Waymo Driver currently powers our fully autonomous ride-hail service, having successfully completed over ten million rider-only trips, utilizing its extensive experience from more than 100 million miles driven on public roads and tens of billions of miles in simulation across 15+ states in the U.S.Are you ready to shape the future of transportation with cutting-edge infrastructure for driverless cars?Join our Waymo Simulation team and contribute to the development of groundbreaking systems that will enhance our core simulation capabilities. We are searching for a dedicated Senior Software Engineer who is passionate about creating impactful solutions.

Join nordsec as a Senior Full-Stack Software Engineer and play a pivotal role in developing innovative software solutions. In this position, you will collaborate closely with cross-functional teams to design, build, and maintain robust applications that meet our clients' needs. If you're passionate about technology and eager to contribute to exciting projects, we want to hear from you!

Role overview Sigma Software Group seeks a Principal Full-Stack Engineer with deep frontend expertise for its Warsaw office. The position involves designing and building web applications that put user experience at the center. Collaboration is essential, as the role works closely with colleagues from different disciplines to ensure software solutions meet client expectations. What you will do Design and implement web applications with a strong emphasis on frontend quality and usability Collaborate with cross-functional teams to deliver reliable, high-quality software Lead technical projects and set direction for development efforts Mentor junior engineers and help shape team best practices Requirements Extensive experience in both frontend and backend development Demonstrated ability to lead projects and guide teams Proven track record of mentoring and supporting junior developers Strong commitment to building user-centric software This Warsaw-based role offers the opportunity to influence client projects and contribute to the growth of the team.

Location: Poland (Remote/Flexible) About Us: RTB House is a leading global company specializing in advanced marketing technologies tailored for top brands and agencies around the globe. Our innovative ad-buying engine, the first of its kind fully powered by Deep Learning algorithms, empowers advertisers to achieve remarkable results and fulfill their objectives at every stage of the marketing funnel. The Bidding Platform division is at the heart of RTB's operations, handling over 20 million requests per second to engage in real-time auctions and display advertisements to audiences across more than 90 countries. The Ad Display Team, which this position pertains to, is a newly formed group within the Bidding Platform focused on guaranteeing the smooth, high-quality, and reliable display and tracking of advertisements. This is an exciting opportunity for those eager to tackle technically challenging solutions!

Join Saily, where we simplify connectivity for travelers by eliminating roaming fees and plastic SIM cards, providing secure mobile data at over 200 destinations. With millions of paying customers and countless travelers accessing our services, your contributions will truly matter.We embrace an AI-native Product Engineering culture, where:The Engineer is a builder, tackling customer challenges from concept to implementation.AI Agents assist in coding and automating repetitive tasks, enabling Engineers to focus on impactful work.Everyone is encouraged to identify improvement opportunities and implement solutions.Curiosity and knowledge sharing are core to our team dynamics.Our ultimate goal is to ensure a comfortable and hassle-free journey for our customers.At Saily, we prioritize growth over comfort, contribution over hierarchy, and impact over process. We empower talented individuals with context, autonomy, and AI to enhance their productivity.We are excited to welcome motivated junior engineers to our team. Here, your impact is defined not by years of experience, but by your passion for learning, discipline, and innovative thinking. You'll have the opportunity to shape your environment, and Saily will provide the platform for you to do just that.Expect hands-on experience with AI-driven software development, full access to learning resources tailored to your growth, and the chance to work on a successful and technically challenging product that you will be proud to build.Bring your skills and vision, and become part of the Saily journey!