Senior Fullstack Engineer (Django+React; 100% remote)

🏢 Summary: Senior Backend Developer role focused on designing and delivering scalable server-side applications and APIs using Python and Django for early-stage B2B SaaS products. The position involves architectural ownership, system reliability, and performance optimization in a fully remote, full-time setup. The developer will drive backend best practices, testing, and CI/CD processes. 🗂️ Requirements: 5+ years of backend development experience, Extensive experience with Python, Extensive experience with Django, Proficiency in data modelling, Experience with relational databases, Experience with non-relational databases, Ability to write complex SQL queries, Experience with API design, Experience with system integrations, Experience with distributed systems (synchronous and asynchronous), Hands-on experience with Docker, Hands-on experience with Redis, Experience with message brokers, Experience with cron jobs, Experience writing unit tests (e.g. Pytest), Strong understanding of code quality and testing best practices, Good command of English for technical communication 📃 Skills: Python, Django, SQL, Docker, Redis, Pytest, APIs, Databases, PostgreSQL, MongoDB, CI/CD, MessageBroker, Cron, Git 🏢 Description: Senior Backend Developer (Python/Django; 100% remote) 💰 Salary: 23,400-25,500 PLN/month 🌎 100% Remote 🕦 Full-time position ☑️ B2B or Contract of Employment We are looking for a Senior Backend Developer for a partner client with a compelling mission: they act as a product and technology partner for early-stage B2B SaaS founders, helping them navigate the crucial journey from launch to their first million in revenue. They essentially become the dedicated tech backbone for these startups. Requirements: 5+ years of professional backend development experience. Extensive, proven experience with Python and the Django framework. Proficient in data modelling, relational and non-relational databases, and complex SQL queries. Strong experience with API design, integrations, and distributed systems (synchronous & asynchronous communication). Hands-on experience with Docker, Redis, message brokers, and cron jobs. Expertise in writing unit tests (e.g., Pytest) and a commitment to code quality and testing best practices. Great understanding of English with strong communication and collaboration skills. Nice to have: Previous experience in Greentech or Ecotech is a significant plus. Experience as an unofficial tech lead or mentoring junior developers. Knowledge of additional testing methodologies (integration, end-to-end). Responsibilities: Lead the design and development of complex server-side applications, APIs, and databases, taking ownership of architectural decisions. Architect, write, and deliver high-quality, scalable, and efficient code using Python and Django. Collaborate closely with cross-functional teams, including front-end developers and the tech lead, to align backend development with project goals. Architect and implement advanced user authentication, authorisation, and security mechanisms. Conduct performance analysis and optimisation, identifying bottlenecks and implementing solutions. Drive the implementation of automated testing and CI/CD processes to ensure code reliability. Establish and enforce coding standards, conduct thorough code reviews, and document backend architecture and APIs. Take responsibility for system reliability, scalability, and security, ensuring best practices. Get to know DevsData We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com

🏢 Summary: Full-time hybrid Software Engineer role focused on building and scaling a data-driven platform for planning and managing renewable energy projects. The position involves developing new features, improving existing systems, and contributing to architectural decisions in a distributed team. The offer includes long-term collaboration through Deel with competitive salary. 🗂️ Requirements: 5+ years of software development experience, Strong proficiency in Python, JavaScript, TypeScript or React, Experience writing maintainable object-oriented code, Experience designing APIs, Experience with relational databases, Experience running applications in cloud environments, Solid computer science fundamentals, Understanding of Agile and DevOps principles, Fluent English (spoken and written) 📃 Skills: Python, JavaScript, TypeScript, React, APIs, SQL, PostgreSQL, Cloud, Agile, DevOps, Redux, Flask, Celery, Redis, C++, WebGL, Three.js, CUDA 🏢 Description: 💰 Salary: 14,000-28,000 PLN 🌎 Hybrid from Warsaw 🕦 Full-time position, long-term ☑️ Contract through Deel The company develops software that helps businesses plan and manage renewable energy projects more efficiently. Its technology platform uses data and automation to simplify complex workflows, enabling teams to design, evaluate, and deliver energy solutions at scale. The overall goal is to make clean energy projects easier to develop and deploy. Requirements: At least 5+ years of experience in software development Strong proficiency in Python, Javascript, Typescript or React; writing clear, maintainable, and testable object-oriented code Good engineering judgment based on solid computer science knowledge Experience with designing APIs, working with relational databases, and running applications in cloud-based environments Understanding of Agile, DevOps and Lean values Strong communication and collaboration skills, especially when working in remote or hybrid teams Comfortable adapting to changes in a growing product and evolving technology stack, with the ability to make practical decisions and support the team as things scale Fluent in spoken and written English (please submit your resume in English) Nice to Have: Educational or practical experience in areas like applied math, geometric modeling (2D/3D), or electrical and electronic systems Exposure to technologies such as state management libraries (e.g. Redux), backend frameworks (like Flask), task queues and caching layers (Celery, Redis), relational databases (PostgreSQL), as well as lower-level or graphics-focused tools including C++, WebGL, Three.js, or GPU computing (CUDA) Strong interest in improving how software is built and delivered, including automating workflows, setting up pipelines, working with containers, and enhancing visibility and overall developer experience Key Responsibilities: Contribute to both ongoing systems and brand-new features, playing an active role in a distributed team environment Support and guide teammates through meaningful code feedback, collaborative coding sessions, and technical direction Question existing approaches, explore better alternatives, and advocate for solutions that scale effectively Take ownership of work items from early concept and research all the way through to release Partner closely with cross-functional groups, product, design, QA, and customer-facing teams to move important efforts forward Get to know DevsData: We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/

🏢 Summary: Full-time, 100% remote Senior Frontend Developer role focused on building and scaling complex, responsive web applications powered by AI-driven platforms. The position involves architecting high-quality front-end solutions, integrating with back-end services, and ensuring performance, scalability, and cross-browser compatibility. The role also includes driving best practices, code quality, and modern front-end standards within the team. 🗂️ Requirements: Strong knowledge of HTML5, CSS3, JavaScript (ES6), Strong understanding of DOM, Experience with React.js, Experience with Material UI, Experience with Responsive Design and cross-browser compatibility, Familiarity with SASS or LESS, Understanding of BEM methodology, Knowledge of CSS-in-JS, Knowledge of browser storage (cookies, localStorage, sessionStorage), Proficiency with npm or yarn, Experience with Jest or equivalent testing frameworks, Understanding of SEO best practices, Familiarity with TypeScript, Knowledge of SSR and service workers, Experience with Webpack, Vite, or Rollup, Understanding of browser extensions integration 📃 Skills: HTML5, CSS3, JavaScript, ES6, DOM, React, MaterialUI, SASS, LESS, BEM, CSS-in-JS, cookies, localStorage, sessionStorage, npm, yarn, Jest, TypeScript, SSR, Webpack, Vite, Rollup, SEO, ServiceWorkers 🏢 Description: Senior Frontend Developer (100% remote) 💰 Salary: 20,000-23,000 PLN/month 🌎 100% Remote 🕦 Full-time position ☑️ B2B or Contract of Employment We are looking for a Senior Frontend Developer for a partner client that helps businesses use artificial intelligence to run more efficiently and grow faster. The company builds and provides digital platforms and consulting services that enable organizations to manage operations, analyze data, and improve performance. Their solutions combine AI, automation, and deep business expertise to help clients simplify workflows, gain insights, and deliver greater value. Requirements: HTML5 , CSS3 , JavaScript (ES6) Strong understanding of the Document Object Model (DOM) Skilled in Responsive Design and cross-browser compatibility Experience with React.js and Material UI Familiarity with CSS preprocessors such as SASS or LESS Understanding of BEM methodology and CSS-in-JS approaches Knowledge of browser storage mechanisms (cookies, localStorage, sessionStorage) Proficient in using package managers (npm/yarn) Experience in unit testing using Jest or equivalent frameworks Understanding of SEO best practices Familiarity with TypeScript for type-safe, large-scale applications Knowledge of server-side rendering (SSR) and service workers Experience with code bundling and modern module bundlers (e.g., Webpack, Vite, Rollup) Understanding of browser extensions and their integration with web applications Responsibilities: Develop and maintain  complex, responsive user interfaces for large-scale web applications. Architect and integrate front-end components with back-end APIs and services , ensuring security, scalability, and performance. Drive the implementation of pixel-perfect UI/UX designs across browsers and devices. Provide technical mentorship to junior developers and guide the team in adopting modern best practices. Conduct code reviews , enforce standards, and maintain a clean, modular codebase. Evaluate and recommend new frameworks, tools, and libraries to enhance productivity. Manage project timelines, estimate development efforts, and collaborate effectively with cross-functional teams. Maintain comprehensive front-end documentation , design patterns, and style guides. Stay updated with industry trends , emerging technologies, and front-end innovations to continuously improve team capabilities. Participate in architectural discussions , ensuring long-term scalability and maintainability of the front-end ecosystem. Get to know DevsData We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com

🏢 Summary: Senior Software Engineer role focused on building a real-time AI platform, owning features end-to-end across frontend, backend, and cloud infrastructure. The position involves developing full-stack solutions and contributing to technical architecture in a remote-first startup environment. 🗂️ Requirements: Strong experience with TypeScript, Strong experience with React, Hands-on experience with AWS, Experience with Docker, Experience with Linux, Experience with Git, Fluent English 📃 Skills: TypeScript, React, AWS, Docker, Linux, Git, Express, Tailwind, WebSockets, LangChain 🏢 Description: 💰 Salary: 25 000 – 28 000 PLN net/month (B2B) + 26 days paid annual leave + equity (ESOP) 📍 Location: Remote (Poland) + meetup in Poznań once per month Our client is an early-stage startup building a real-time AI platform that supports professionals during live conversations. The system processes interactions in real time and delivers contextual insights, knowledge, and guidance while conversations are happening. The founding team has strong experience in distributed systems, AI platforms, and enterprise SaaS and is currently expanding the engineering team to accelerate product development. Role The client is looking for a Senior Software Engineer who enjoys owning features end-to-end, from frontend interfaces to backend services and cloud infrastructure. You will work closely with the founding team on building a real-time AI-powered product , contributing to both product development and technical architecture. Responsibilities Build full-stack features using TypeScript Develop React-based user interfaces Design and maintain backend services and APIs Work with AWS cloud infrastructure Build and run Docker-based services Improve performance and reliability of real-time systems Requirements Strong experience with TypeScript and React Hands-on experience with AWS Experience with Docker and Linux Comfortable working with Git workflows Fluent English Experience working in remote teams Nice to Have Express Tailwind CSS Experience with real-time systems Knowledge of WebSockets / streaming Experience with LLM frameworks (e.g. LangChain) What the Client Offers Opportunity to build a product from an early stage Direct influence on architecture and product direction Work with experienced founders Remote-first environment Competitive salary + equity High level of ownership and autonomy

🏢 Summary: B2B Full Stack Engineer role focused on building and scaling an AI-powered SaaS platform for the video and digital content industry. The position involves end-to-end ownership of features, from design to deployment, within a fast-moving product environment leveraging advanced AI models. You will develop full-stack solutions that streamline planning, collaboration, and execution workflows. 🗂️ Requirements: 5+ years experience as Full Stack Engineer, Proficiency in React.js, Proficiency in Node.js, Experience delivering end-to-end solutions independently, Strong knowledge of modern web technologies, Understanding of full-stack architecture, Experience across full SDLC, Experience with CI/CD pipelines, Experience with version control systems, Experience in product-oriented environment, Ability to deploy and maintain production systems, English B2 level or higher 📃 Skills: React, Node.js, JavaScript, TypeScript, Tailwind, AWS, MongoDB, CI/CD, Git, Fal, REST, AI, SaaS 🏢 Description: Employer: US video production company Location: Remotely from Poland Salary:  24 050 - 38 850 PLN on B2B Cooperation model: B2B Start date: ASAP Recruitment process: 3 online steps (Async Loom Screen, Behavior with SVP, Live Case Study) Technology stack: React.js/Query, Tailwind, Node.js, Fal (most image models), AWS, MongoDB Join an innovative product company building an AI-powered platform that supports professionals in the video and digital content industry. The solution focuses on simplifying and accelerating the journey from idea to production, helping teams collaborate, plan, and execute creative projects more effectively. The product leverages advanced AI models (image, text, and video) and combines them into intelligent workflows designed for real-world collaboration. Instead of focusing only on content generation, the platform addresses key challenges in planning, coordination, and execution. We are looking for someone who enjoys ownership, moves fast, and wants to have a real impact on both product and engineering practices. Your role is: Design, develop, and deploy full-stack features for an AI-driven SaaS platform; Work closely with product stakeholders to define solutions and deliver measurable business impact; Take ownership of the full development lifecycle — from idea to production; Build and iterate on new product features (0→1 development); Ensure high quality by owning testing, validation, and release of your solutions; Contribute to improving development processes, increasing delivery speed, and reducing friction; Mentor other engineers and share best practices across the team; Collaborate in a fast-moving environment focused on experimentation and continuous improvement. Your skills and experiences: 5+ years of experience as a Full Stack Engineer; Proficiency with React.js and Node.js; Proven track record of delivering end-to-end solutions independently; Experience working in product-oriented environments with a strong focus on delivery and impact; Solid understanding of modern web technologies and full-stack architecture; Ability to work across the entire SDLC — from development to deployment and maintenance; Experience with CI/CD, version control systems, and modern development workflows; Strong ownership mindset and ability to take responsibility for delivered solutions; Experience mentoring others and contributing to team growth; Strong communication skills and ability to work in cross-functional teams; English proficiency at B2 level or higher. Nice to have: Experience working with AI/ML-based products or integrating external model APIs; Familiarity with building or scaling early-stage (0→1) products; Background in industries related to media, video, or digital content; Experience with prompt engineering or chaining AI models; Knowledge of DevOps or Product Operations practices; Proven ability to improve team delivery speed and efficiency; Interest in product thinking and experimentation; Basic design sense or experience working closely with UI/UX. Our client offers: Great opportunity for personal development in a stable and friendly large multinational company; Career growth and additional education.

🏢 Summary: Senior Software Engineer role focused on designing, developing, and integrating advanced Shopify (primarily Shopify Plus) solutions within enterprise environments. The position involves building custom applications, headless architectures, and complex integrations with core business systems. Hybrid full-time role in Warsaw with B2B or CoE contract options. 🗂️ Requirements: 5+ years of experience in e-commerce architecture or technical consulting, Minimum 3 years of hands-on experience with Shopify ecosystem, Strong experience with Shopify Plus, including admin and app ecosystem, Experience building custom Shopify applications, Experience with Shopify Functions and Checkout UI extensions, Experience with headless Shopify architectures, Hands-on experience with Microsoft Entity Framework, Experience working with Shopify REST and GraphQL APIs, Strong knowledge of HTML, CSS, JavaScript, TypeScript, Experience integrating Shopify with ERP, OMS, PIM or similar enterprise systems 📃 Skills: Shopify, ShopifyPlus, Liquid, Hydrogen, Oxygen, EntityFramework, REST, GraphQL, HTML, CSS, JavaScript, TypeScript, SCSS, ShopifyFunctions, CheckoutUI, Node.js, Ruby 🏢 Description: 💰 Salary: 21,500-28,700 PLN/Month 💻 Warsaw, Poland (Hybrid - 3 days in office, 2 days remote) 🕦 Full-time ☑️ B2B or CoE We’re looking for a Senior Software Engineer to join a fast-growing international tech company focused on building modern, data-driven platforms that power digital transformation in the financial and enterprise sectors. Requirements: 5+ years of experience in e-commerce architecture, technical consulting, or a comparable senior level role, with a minimum of 3 years focused on the Shopify ecosystem. Strong hands-on experience with the Shopify platform, particularly Shopify Plus, including admin capabilities, Liquid templating, and the broader app ecosystem. Proven experience building custom Shopify applications, including advanced customizations using Shopify Functions and Checkout UI extensions. Solid understanding of headless Shopify architectures, with experience in Hydrogen and Oxygen implementations. Hands-on experience working with Microsoft Entity Framework. experience working with Shopify APIs, including REST and GraphQL, along with strong knowledge of modern web technologies such as HTML, CSS, JavaScript and TypeScript. Demonstrated ability to design and deliver integrations with enterprise systems such as ERP, OMS, and PIM. Nice to have: Previous experience leading or contributing to re platforming projects from legacy systems. Familiarity with backend technologies such as Node.js and Ruby. Shopify certifications or other relevant e-commerce platform certifications. Key Responsibilities: Design and document end to end technical architectures for both new and existing Shopify (primarily Shopify Plus) stores, covering storefront implementation (headless or theme based), backend services, integration strategy, and security. Develop, customize, and maintain high quality Shopify themes using HTML5, Liquid, CSS3/SCSS, along with JavaScript and TypeScript. Implement and design complex integrations between Shopify and core enterprise platforms such as CRM, CDP, WMS, PIM, OMS, and ERP, utilizing GraphQL and REST APIs. Develop and manage custom Shopify applications, delivering advanced capabilities through Shopify Functions and Checkout Extensibility to support specific client requirements. Collaborate closely with the Sales team to support technical evaluations, define solution scope, estimate effort, and deliver clear, compelling technical presentations to clients. Provide technical guidance to stakeholders and engineering teams, advising on Shopify solutions, architecture decisions, and industry best practices.

🏢 Summary: Remote position for an experienced full‑stack developer responsible for building new APIs, maintaining and upgrading backend and frontend applications, and improving product quality. The role involves bug fixing and continuous enhancement of existing systems using modern Java and JavaScript technologies. Salary depends on experience (3+ years). 🗂️ Requirements: Minimum 3 years of experience with Java, Minimum 3 years of experience with AWS, Minimum 3 years of experience with MongoDB, Minimum 3 years of experience with PostgreSQL, Minimum 3 years of experience with React.js, Minimum 3 years of experience with Spring Boot 📃 Skills: Java, AWS, MongoDB, PostgreSQL, React, SpringBoot, APIs 🏢 Description: Location: 100% remote Salary: 105–175 PLN net/h ( depending on experience, we are looking for candidates with 3 to +8 years of experience ) Tasks Development of new APIs to support clients Fixing bugs Upgrading and maintaining backend and frontend applications Looking for opportunities to improve the product Requirements Java – minimum 3 years of experience AWS – minimum 3 years of experience MongoDB – minimum 3 years of experience PostgreSQL – minimum 3 years of experience React.js – minimum 3 years of experience Spring Boot – minimum 3 years of experience Offer Multisport card Private healthcare Access to an e‑learning platform Group life insurance

🏢 Summary: Remote Senior Security DevOps Engineer role in a fintech company building a high-traffic digital trading and investment platform. The position focuses on securing cloud infrastructure, Kubernetes environments, and CI/CD pipelines while implementing strong IAM, network security, and Security as Code practices. This is a full-time B2B contract role with a competitive monthly salary. 🗂️ Requirements: 8+ years of experience in DevOps, Cloud Security, or Site Reliability Engineering, Experience with high-traffic or regulated environments, Strong knowledge of cloud identity systems and authentication protocols, Advanced knowledge of Kubernetes security and cluster hardening, Hands-on experience with Infrastructure as Code tools, Strong understanding of Linux security mechanisms, Knowledge of networking fundamentals (TCP/IP, DNS, TLS), Experience implementing security automation in CI/CD pipelines 📃 Skills: Kubernetes, Terraform, Ansible, Linux, TCP/IP, DNS, TLS, CI/CD, IAM, RBAC, ABAC, MFA, SSO, OIDC, SAML, PKI, SOC2, ISO27001 🏢 Description: Senior Security DevOps Engineer (100% remote) 💰 Salary: 7000-8000 USD/Month 💻 100% remote 🕦 Full-time ☑️ B2B We’re looking for a Senior Security DevOps Engineer to join a fast-growing fintech company that builds a digital trading and investment platform. Requirements: 8+ years of experience in DevOps, Cloud Security, Site Reliability Engineering, or similar roles. Experience working with high-traffic systems or regulated environments, such as financial platforms or other compliance-driven industries. Strong understanding of cloud identity systems and modern authentication protocols. Advanced knowledge of Kubernetes security, container orchestration, and cluster hardening. Hands-on experience with Infrastructure as Code tools such as Terraform or Ansible. Solid understanding of Linux security mechanisms and networking fundamentals, including TCP/IP, DNS, and TLS. Experience implementing security automation within CI/CD pipelines. Nice to Have: Experience supporting security or financial compliance frameworks (e.g., SOC 2, ISO 27001, or similar). Background in cryptography concepts, including encryption standards or PKI management. Experience with resilience or security testing approaches, such as controlled failure or attack simulations. Key Responsibilities: Design and maintain secure identity and access management (IAM) strategies across cloud infrastructure, Kubernetes clusters, and internal platforms using RBAC and ABAC models. Implement privileged access management solutions to enable secure, temporary access to production environments while eliminating long-lived credentials. Enforce strong authentication and identity policies, including MFA, SSO integrations, and modern identity standards such as OIDC and SAML. Secure containerized environments by implementing Kubernetes security best practices, including network policies, workload isolation, and secure container lifecycle management. Develop and maintain network security architecture, including segmentation strategies, firewall configurations, and protection mechanisms for high-throughput APIs. Manage the lifecycle of secrets and sensitive credentials, ensuring secure storage, rotation, and access control across environments. Integrate security scanning and testing tools into CI/CD pipelines to detect vulnerabilities during development and deployment stages. Integrate security monitoring with observability tools to detect anomalies, threats, or unauthorized access attempts in real time. Promote Security as Code practices by automating security policies, checks, and infrastructure configurations. Get to know DevsData: We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/

🏢 Summary: Remote Senior Project Manager role focused on leading complex enterprise customer engagements for AI-powered solutions in the FMCG and retail sectors. The position is responsible for end-to-end onboarding, delivery, adoption, and value realization across European markets, collaborating closely with cross-functional global teams. The role emphasizes customer retention, growth, and measurable business outcomes in enterprise environments. 🗂️ Requirements: Minimum 5 years of experience in Customer Success with European enterprise customers, Proven experience managing enterprise-level customer engagements, Experience driving customer retention, renewals, and account growth, Advanced proficiency in Excel, Ability to analyze data and translate insights into actionable recommendations, Experience working with executive-level stakeholders, Experience with SaaS or enterprise platforms, Experience in compliance-driven or regulated environments 📃 Skills: Excel, SQL, SaaS, AI, Enterprise, Compliance, Analytics, ProjectManagement 🏢 Description: Senior Project Manager (Customer Success; 100% remote) 💰Salary: 20,000 -20,500 PLN per month 💻 100% Remote 🕦 Full-time ☑️ B2B Contract We are seeking a skilled and motivated Senior Project Manager to join a global technology organization delivering AI-powered solutions for large-scale FMCG and retail enterprises, responsible for leading complex enterprise engagements and ensuring successful onboarding, delivery, adoption, and measurable business outcomes in close collaboration with Product, Sales, Support, and Engineering teams across European and international markets. Requirements Minimum 5 years of experience in Customer Success, managing European enterprise customers Proven track record of driving customer retention, renewals, and account growth Strong analytical skills with advanced Excel proficiency; SQL knowledge is a plus Exceptional communication and stakeholder management skills, including experience working with executive-level stakeholders Ability to translate data and insights into clear, actionable recommendations Strategic mindset with the flexibility to operate in fast-changing customer environments Demonstrated experience mentoring team members and scaling customer success processes Nice to Have MBA or equivalent postgraduate qualification Experience in startup or scale-up environments Prior experience with Big 4 firms (strongly preferred) Experience working with SaaS, enterprise platforms, or compliance-driven products in Europe Main Responsibilities Lead end-to-end onboarding and implementation for European enterprise customers, ensuring a structured handover from Sales and successful project initiation Define and manage project objectives, success metrics, scope, and timelines aligned with European business and regulatory requirements Act as the primary point of contact for customers, owning stakeholder communication and engagement throughout the delivery lifecycle Build and maintain strong relationships with senior customer stakeholders, including C-level executives, operations, and IT leaders Drive product adoption through coordinated enablement, training, and knowledge transfer activities Monitor customer health, usage, and delivery milestones to identify risks, adoption gaps, and dependencies at an early stage Proactively identify compliance, operational, or delivery gaps and execute mitigation plans in collaboration with global product and support teams Manage escalations and critical issues across time zones, ensuring timely resolution and clear communication Ensure value realization by delivering outcomes aligned with agreed success criteria and business objectives Support renewals and expansion initiatives by providing delivery insights, readiness assessments, and customer context Capture structured customer feedback and collaborate with product teams to influence continuous improvement and roadmap priorities Work closely with cross-functional teams, including product, engineering, support, and operations based in India, to ensure aligned and effective execution Ensure customer expectations remain consistently aligned with internal delivery capabilities and commitments Get to know DevsData: We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/

🏢 Summary: Senior Software Engineer role focused on backend development for an established SaaS platform using Scala and Python, with expansion of AI-powered features and integrations. The project involves building scalable backend services, integrating AI/LLM solutions, and supporting production-grade architecture and CI/CD workflows in a remote EU-based B2B engagement. 🗂️ Requirements: 7+ years of professional software development experience, Strong production experience with Scala, Strong proficiency in Python, Experience developing production-grade backend applications, Hands-on experience building and maintaining backend services, Ability to work across Scala and Python codebases, Experience with automated testing, Experience with version control, Experience with code reviews, Experience with CI/CD, Understanding of scalable and maintainable software architecture, Ability to independently solve technical problems, Strong communication skills, Fluency in Polish, Advanced English level (B2/C1) 📃 Skills: Scala, Python, REST, CI/CD, Testing, APIs, SaaS, LLM, ElasticSearch, AWS, Azure, GCP, PHP 🏢 Description: Contract: B2B Rate: 150-160 zł/h net + VAT depending on skills and experience Location: Remote within the EU Duration: 6+ months, with the possibility of long-term cooperation Start: ASAP Project: Backend engineering project focused on developing and maintaining a SaaS platform and expanding its AI-powered capabilities. Key Technologies/Areas Scala Python Backend development REST APIs SaaS platforms CI/CD Automated testing Nice to have: AI and LLM integrations, ElasticSearch, AWS, Azure, or GCP Project Overview You’ll join an existing engineering team as a Senior Software Engineer , contributing to the development and maintenance of backend services for an established SaaS platform. The role combines Scala and Python development . Scala is a core technology used within the existing platform, while a significant part of the day-to-day development will be carried out in Python. You will also support the expansion of AI-powered functionality across the product, including integrations with internal and external AI services, LLM platforms, transcription solutions, and other machine-learning-based capabilities. This is a hands-on role for an experienced backend engineer who can work independently, contribute to architectural and technical decisions, and build reliable, scalable, production-ready solutions. Responsibilities Develop, maintain, and extend backend services using Scala and Python. Design and implement scalable functionality across an existing SaaS platform. Build and expand AI-powered features within the product. Integrate internal and external AI services through APIs, including LLM-based platforms and similar tools. Support the maintenance and further development of existing Scala-based services. Develop new backend functionality primarily in Python. Design reliable and maintainable integrations between platform services and external systems. Write clean, testable, and well-documented production code. Participate in technical discussions, code reviews, and architectural decisions. Ensure the quality, scalability, performance, and security of implemented solutions. Work closely with software engineers, product teams, and other technical stakeholders. Support CI/CD processes and modern software development workflows. Troubleshoot production issues and improve the stability of existing services. Requirements At least 7 years of professional software development experience. Strong production experience with Scala . Strong proficiency in Python and experience developing production-grade backend applications. Hands-on experience building and maintaining backend services. Ability to work effectively across both Scala and Python codebases. Strong understanding of software engineering best practices. Experience with automated testing, version control, code reviews, and CI/CD. Good understanding of scalable and maintainable software architecture. Ability to independently analyze technical problems and propose practical solutions. Strong communication skills and the ability to collaborate within an international engineering team. Fluency in Polish and an advanced level of English (B2/C1) Nice to have Commercial experience working with LLMs or generative AI solutions . Experience integrating AI services or AI models into production systems. Experience building integrations with external AI platforms through APIs. Experience with AI-based transcription, speech-to-text, or related technologies. Experience with ElasticSearch . Experience with public cloud AI services available in AWS, Azure, or GCP. Experience developing or maintaining PHP applications. Previous experience working on SaaS products. Understanding of AI service scalability, monitoring, performance, and cost optimisation. Why join us? Rite NRG is a vibrant outsourcing technology company driven by the Right People. We are dedicated to empowering businesses through innovative software solutions. We focus on building strong partnerships and providing top-notch software solutions that drive real business growth. Our business model revolves around collaboration and delivering impactful results for our clients. Join us and be part of a team where great minds, Right Energy, and strong partnerships come together to shape the future of technology! Stable, long-term, full-time collaboration. Remote work within the EU and flexible working hours. High engineering culture with a focus on growth and learning. Opportunity to work on a mature SaaS platform and production AI solutions. Multinational teams. Benefits: Private medical care, Multisport card, and workation opportunities.