Team Lead, Software Engineer

🏢 Summary: Opportunity for a Team Lead Software Engineer to lead and grow a team delivering AI-powered, distributed SaaS systems. The role combines people leadership with hands-on technical ownership, driving architecture and delivery of scalable AI and agentic solutions. You will mentor engineers while building and productionizing next-generation AI services. 🗂️ Requirements: 5+ years software engineering experience, Experience leading or mentoring engineers, Strong experience with distributed systems, Experience building SaaS applications, Hands-on experience with backend technologies, Experience with cloud platforms, Experience with AI or LLM systems 📃 Skills: Python, React, MongoDB, Redis, AWS, Azure, LLM, MCP, A2A, SaaS, DistributedSystems 🏢 Description: Team Lead- Software Engineer BigTime is looking for an experienced Team Lead- Software Engineer to lead and grow a team building the future of AI-powered software. This role combines people leadership, technical ownership and AI innovation . You’ll mentor engineers, drive delivery and help shape next-generation AI solutions used by thousands of professional services companies worldwide. About BigTime BigTime is the AI-powered professional services platform helping companies manage delivery, resources, and financial performance. 2,700+ customers worldwide $4B+ billable time tracked annually Inc. 500 Fastest Growing Companies (4 years in a row) Best Places to Work (3 years running) We’re headquartered in Chicago, with a strong engineering hub in Wrocław. What You’ll Do Team Leadership Lead, mentor and grow a team of engineers Support hiring, development and performance conversations Foster a culture of ownership, collaboration and continuous improvement Technical Leadership Drive architecture and delivery for AI-powered systems Guide engineering best practices across scalable distributed services Partner closely with Product and Engineering leaders AI & Platform Development Build AI and agentic workflows using LLMs, MCP and A2A Design scalable, secure and observable AI services Explore new AI technologies and bring ideas into production Tech Stack Python • React • MongoDB • Redis • AWS/Azure • LLMs • MCP • A2A What We’re Looking For 5+ years of software engineering experience Previous experience leading or mentoring engineers Strong experience with distributed systems and SaaS applications Hands-on experience with modern backend technologies and cloud platforms Experience with AI/LLM systems or strong interest in agentic AI Strong communication and collaboration skills Ability to balance people leadership with technical ownership What We Offer Flexible work model (office or hybrid) Contract of employment or B2B Private healthcare Cafeteria system & Multisport Modern office in the center of Wrocław Business trips to the USA Open and collaborative culture Team events and integration trips Ready to help shape the future of AI-powered software? Apply now.

🏢 Summary: Remote Team Lead Software Development role focused on leading a cross-functional engineering team while staying hands-on with backend and web service architecture and implementation in a .NET environment. The position combines technical leadership, product collaboration, and ownership of architectural decisions in an agile setup. You will drive engineering quality, technical standards, and team growth while contributing directly to code and system design. 🗂️ Requirements: Several years of experience in software development with .NET / C#, Minimum 3 years of experience leading development teams, Strong knowledge of software design patterns, Strong understanding of system architecture, Experience with modern engineering practices, Hands-on experience with backend and web services development, Experience using AI in software development process, Fluent English 📃 Skills: .NET, C#, AI, Elasticsearch, RabbitMQ, Redis, Azure, CI/CD, Umbraco, Containers, Backend, WebServices, Architecture, Agile 🏢 Description: Does building awesome, innovative products that add up to something meaningful sound like a dream come true? Come join us and make that vision a reality! About We are looking for an experienced Team Lead Software Development who combines strong technical expertise with leadership skills and a product-oriented mindset. In this role, you will take ownership of development teams, supporting both its technical direction and people development. You will lead a cross-functional engineering team of around 7–9 people , including Frontend, Backend, and QA specialists. The team works in an agile setup and collaborates closely with a Product Owner, UX Design, DevOps, and ITOps. Responsibilities Lead, coach, and support the development of your engineering team Help your team grow into a high-performing, self-organized unit Act as a sparring partner for the Product Owner and actively contribute to roadmap planning and prioritization Stay hands-on with the design, architecture, and implementation of backend and web services Make and own technical decisions, while communicating them clearly to stakeholders Improve agile processes within the team and continuously optimize the way of working Contribute to solution and domain design Strengthen engineering quality, good practices, and technical standards Take part in recruitment interviews and support the further development of the team Our offer Competitive salary on B2B contract Fully remote position Real impact and independence at work Individual career path Work-life balance A non-corporate atmosphere where innovation, personal growth, and teamwork thrive 100+ smart, curious & ambitious engineers What you bring Several years of experience in software development with .NET / C# At least 3 years of experience leading development teams, both technically and people-wise Experience using AI in the software development process Strong understanding of software design patterns, system architecture, and modern engineering practices A hands-on approach and the ability to stay close to the code when needed Strong communication skills and the ability to explain technical topics clearly to both technical and non-technical stakeholders A pragmatic mindset — you care about quality, but you also understand business priorities Fluent English, German is a plus Nice to have Experience with Elasticsearch, RabbitMQ, Redis, containers, Azure Cloud, CI/CD, Umbraco Experience working in a scale-up environment Knowledge of the financial market or financial products Benefits International Projects Small Teams Flat Structure Friendly Atmosphere Flexible Hours Individual Career Path We want your TALENT! Don’t hesitate and APPLY! We are happy to tell you more details about this position in a phone call. Our recruitment process is very fast and straightforward to ensure a great experience from the first interview to joining your dream team!

🏢 Summary: Senior Python Developer role focused on designing and delivering AI-powered, cloud-based systems within an agile engineering team. The position involves building scalable backend services, developing AI and agentic workflows, and driving architecture for distributed SaaS applications. Opportunity to work on cutting-edge LLM-based solutions in a collaborative environment. 🗂️ Requirements: 3+ years of software engineering experience, Proven experience as a Python Developer, Experience with distributed systems, Experience with SaaS applications, Hands-on experience with modern backend technologies, Experience with cloud platforms, Experience with AI/LLM systems or strong interest in agentic AI, Ability to design scalable, secure, observable services 📃 Skills: Python, LLM, MCP, A2A, SaaS, Cloud, Backend, AI 🏢 Description: Job description BigTime is looking for a Senior Python Developer to join a team in Wrocław building the future of AI-powered software in our organization. You will collaborate extensively to design, build, and test functionality in our award-winning, cloud-based system. This is an exciting opportunity to work side-by-side with a team of talented individuals on our Engineering team. The right candidate will be passionate about development and able to solve difficult technical problems in a fast-paced, agile environment. About BigTime BigTime is the AI-powered professional services platform helping companies manage delivery, resources, and financial performance. 2,700+ customers worldwide $4B+ billable time tracked annually Inc. 500 Fastest Growing Companies (4 years in a row) Best Places to Work (3 years running) We’re headquartered in Chicago, with a strong engineering hub in Wrocław. www.bigtime.net What You’ll Do Drive architecture and delivery for AI-powered systems Develop our web application currently written in Python with the flavor of other supporting languages, tools, and frameworks Partner closely with Product and Engineering teams AI & Platform Development Build AI and agentic workflows using LLMs, MCP and A2A Design scalable, secure and observable AI services Explore new AI technologies and bring ideas into production What We’re Looking For 3+ years of software engineering experience Proven experience as a Python Developer Strong experience with distributed systems and SaaS applications Hands-on experience with modern backend technologies and cloud platforms Experience with AI/LLM systems or strong interest in agentic AI Strong communication and collaboration skills What We Offer Flexible work model (office or hybrid) Contract of employment or B2B Private healthcare Cafeteria system & Multisport Modern office in the center of Wrocław Business trips to the USA Open and collaborative culture Team events and integration trips Ready to help shape the future of AI-powered software? Apply now.

🏢 Summary: Hands-on Software Engineer Team Lead role focused on leading a cloud-native microservices team within a .NET and Azure ecosystem. The position combines active backend development with team leadership, delivery ownership, and scaling engineering capabilities across teams. You will drive technical excellence, optimize processes, and mentor engineers while contributing directly to core platform architecture. 🗂️ Requirements: Proven experience leading an engineering team, Strong backend development experience in microservices architecture, Deep understanding of distributed systems, Experience with cloud infrastructure in Azure, Hands-on experience with CI/CD pipelines, Knowledge of automated testing (unit, integration, E2E), Ability to manage team delivery and resource allocation, Experience monitoring and improving engineering metrics (e.g., DORA), Ability to analyze system performance and optimize processes 📃 Skills: .NET, Azure, CI/CD, Redis, Microservices, DistributedSystems, Cloud, MS Entra, UnitTesting, IntegrationTesting, E2E, DORA 🏢 Description: It’s not just a job — together, we’re on a mission. We're committed to accelerating the energy transition, with the goal of empowering 2 million sustainable energy installations by 2035. But we cannot achieve this goal alone. We are looking for talents to strengthen our team, and work with others on what really matters. The team you will join At iChoosr, you will join a team of 140 goal getters with a proactive approach, strong sense of ownership and strong interpersonal skills. Your colleagues work across the US, the Netherlands, Belgium, the UK, Poland, Japan and Macedonia. You will join the Middleware+ Team that consists of a Tech Lead, developers, an QA specialist, a product manager and DevOps engineer. The team is the architectural backbone of our platform responsible for designing and building core microservices. Beyond that the team owns the foundational infrastructure, managing our cloud resources. Job description As a Software Engineer Team Lead, you will lead a high-performing team operating within our cloud-native ecosystem. This is a hands-on leadership role where you will contribute directly to our .NET and Azure-based ecosystem while taking accountability for the team’s operational success. This position is designed for an experienced leader who is ready to scale. We are looking for someone with the capacity to eventually bridge two teams, balancing the oversight of both while naturally transitioning more of your time from active coding to mentoring and cross-team coordination. Your mission is to drive delivery standards, optimize workflows, and scale the team’s capabilities. You are the primary advocate for your engineers, ensuring that the team remains unblocked, high-functioning, and aligned with our broader engineering culture of excellence. You will lead by example, writing clean code and fostering a culture of continuous improvement in an environment built for speed and scalability. Tech stack: .NET, Azure, CI/CD Pipelines, MS Entra, Redis Your responsibilities Maintain an active presence in the codebase (.NET), leading by example through high-quality PRs and consistent technical contributions. Own the day-to-day delivery of the team. You are responsible for ensuring the team meets its commitments and maintains a high "Say/Do" ratio. Manage team resource allocation and workload balancing to ensure sustainable high performance without burnout. Lead the personal growth, performance reviews, and career development of the team’s 3–5 engineers while co-creating and executing a top-tier talent pipeline. Proactively identify and resolve process or people-related bottlenecks that hinder the team’s velocity. Act as a partner for the Product Manager on Sprint Goals and for the Tech Lead on system architecture. Monitor and optimize team performance through DORA (and other) metrics. Your expertise Strong experience in backend microservices development with a deep understanding of distributed systems and cloud infrastructure. Knowledge of modern software delivery lifecycles, including CI/CD, automated testing (unit, integration, E2E), and observability. Exceptional skill in unblocking people-related issues and facilitating "blame-free" post-mortems and continuous feedback loops. Prepare to scale your impact by eventually taking over the people leadership of a second team as the organization grows. Ability to interpret system performance data and developer feedback to continuously refine team processes and tooling. A proven track record of managing an engineering team is a must. Our commitment to you Contribute to a more sustainable world on a daily basis. Competitive salary. Comprehensive health benefits package. Flexible work arrangements (remote & hybrid working). Professional development opportunities (Mentor/mentee program & buddy program). International company event once a year. Lunch provided by the office. Cultural holiday swap. Day off on your birthday. Possibility to travel. Come be a part of our team! If this role fits you, we would love to hear from you. iChoosr is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

🏢 Summary: Hands-on Software Engineer Team Lead role within a cloud-native environment, combining fullstack development with team leadership and delivery ownership. You will drive technical excellence, optimize workflows, and scale team capabilities while actively contributing to the Angular/.NET codebase. The role focuses on high-quality delivery, modern engineering practices, and continuous improvement. 🗂️ Requirements: Strong experience in frontend or fullstack development, Hands-on expertise with Angular and TypeScript, Experience with .NET backend development, Knowledge of CI/CD pipelines, Experience with automated testing (unit, integration, E2E), Understanding of component-driven architecture, Experience working in cloud-native environments, Ability to analyze performance metrics (e.g., DORA), Experience leading or mentoring engineers, Familiarity with observability and modern SDLC practices 📃 Skills: Angular, TypeScript, .NET, Playwright, Storybook, Tailwind, Azure, CI/CD, DORA, Observability, Fullstack, Architecture, Testing 🏢 Description: It’s not just a job — together, we’re on a mission. We're committed to accelerating the energy transition, with the goal of empowering 2 million sustainable energy installations by 2035. But we cannot achieve this goal alone. We are looking for talents to strengthen our team, and work with others on what really matters. The team you will join At iChoosr, you will join a team of 140 goal getters with a proactive approach, strong sense of ownership and strong interpersonal skills. Your colleagues work across the US, the Netherlands, Belgium, the UK, Poland, Japan and Macedonia. You will join the Consumer Flow Team that consists of a Tech Lead, developers, an QA specialist, a product manager and designers. The team Is dedicated to crafting a seamless and high-converting registration flow, personal offer and consumer portal for our end users closely collaborating with business stakeholders to align our technical roadmap with business objectives Job description As a Software Engineer Team Lead, you will lead a high-performing team operating within our cloud-native ecosystem. This is a hands-on leadership role where you will contribute directly to our fullstack codebase while taking accountability for the team’s operational success. This position is an ideal next step for a technical leader ready to transition into their first formal people management role. Your mission is to drive delivery standards, optimize workflows, and scale the team’s capabilities. You are the primary advocate for your engineers, ensuring that the team remains unblocked, high-functioning, and aligned with our broader engineering culture of excellence. You will lead by example, writing clean code and fostering a culture of continuous improvement in an environment built for speed and scalability. Tech stack: Angular (20+)/Typescript, .NET, Playwright, Storybook, Tailwind, Azure. Your responsibilities Maintain an active presence in the codebase (Angular/TypeScript/.NET), leading by example through high-quality PRs and consistent technical contributions. Own the day-to-day delivery of the team. You are responsible for ensuring the team meets its commitments and maintains a high "Say/Do" ratio. Manage team resource allocation and workload balancing to ensure sustainable high performance without burnout. Lead the personal growth, performance reviews, and career development of the team’s 3–5 engineers while co-creating and executing a top-tier talent pipeline. Proactively identify and resolve process or people-related bottlenecks that hinder the team’s velocity. Act as a partner for the Product Manager on Sprint Goals and for the Tech Lead on system architecture. Monitor and optimize team performance through DORA (and other) metrics. Your expertise Strong experience in modern frontend or fullstack development with a deep understanding of component-driven architecture. Knowledge of modern software delivery lifecycles, including CI/CD, automated testing (unit, integration, E2E), and observability. Solid skill in unblocking people-related issues and facilitating "blame-free" post-mortems and continuous feedback loops. Ability to interpret system performance data and developer feedback to continuously refine team processes and tooling. A proven track record of managing an engineering team is a plus. Our commitment to you Contribute to a more sustainable world on a daily basis. Competitive salary Comprehensive health benefits package Flexible work arrangements (remote & hybrid working) Professional development opportunities (Mentor/mentee program & buddyprogram) International company event once a year Lunch provided by the office Cultural holiday swap Day off on your birthday Possibility to travel Come be a part of our team! If this role fits you, we would love to hear from you. iChoosr is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

🏢 Summary: Hands-on Software Engineer Team Lead role in a cloud-native environment, combining fullstack development with team leadership and delivery ownership. Responsible for driving engineering standards, optimizing workflows, and scaling a high-performing team while actively contributing to the codebase. Focused on building and enhancing a seamless consumer-facing platform within a modern tech stack. 🗂️ Requirements: Strong experience in frontend or fullstack development, Deep understanding of component-driven architecture, Hands-on experience with Angular and TypeScript, Experience with .NET development, Knowledge of CI/CD pipelines, Experience with automated testing (unit, integration, E2E), Understanding of observability practices, Ability to analyze system performance metrics, Experience leading or managing engineering teams, Experience working in cloud-native environments 📃 Skills: Angular, TypeScript, .NET, Playwright, Storybook, Tailwind, Azure, CI/CD, DORA, Cloud 🏢 Description: It’s not just a job — together, we’re on a mission. We're committed to accelerating the energy transition, with the goal of empowering 2 million sustainable energy installations by 2035. But we cannot achieve this goal alone. We are looking for talents to strengthen our team, and work with others on what really matters. The team you will join At iChoosr, you will join a team of 140 goal getters with a proactive approach, strong sense of ownership and strong interpersonal skills. Your colleagues work across the US, the Netherlands, Belgium, the UK, Poland, Japan and Macedonia. You will join the Consumer Flow Team that consists of a Tech Lead, developers, an QA specialist, a product manager and designers. The team Is dedicated to crafting a seamless and high-converting registration flow, personal offer and consumer portal for our end users closely collaborating with business stakeholders to align our technical roadmap with business objectives Job description As a Software Engineer Team Lead, you will lead a high-performing team operating within our cloud-native ecosystem. This is a hands-on leadership role where you will contribute directly to our fullstack codebase while taking accountability for the team’s operational success. This position is an ideal next step for a technical leader ready to transition into their first formal people management role. Your mission is to drive delivery standards, optimize workflows, and scale the team’s capabilities. You are the primary advocate for your engineers, ensuring that the team remains unblocked, high-functioning, and aligned with our broader engineering culture of excellence. You will lead by example, writing clean code and fostering a culture of continuous improvement in an environment built for speed and scalability. Tech stack: Angular (20+)/Typescript, .NET, Playwright, Storybook, Tailwind, Azure. Your responsibilities Maintain an active presence in the codebase (Angular/TypeScript/.NET), leading by example through high-quality PRs and consistent technical contributions. Own the day-to-day delivery of the team. You are responsible for ensuring the team meets its commitments and maintains a high "Say/Do" ratio. Manage team resource allocation and workload balancing to ensure sustainable high performance without burnout. Lead the personal growth, performance reviews, and career development of the team’s 3–5 engineers while co-creating and executing a top-tier talent pipeline. Proactively identify and resolve process or people-related bottlenecks that hinder the team’s velocity. Act as a partner for the Product Manager on Sprint Goals and for the Tech Lead on system architecture. Monitor and optimize team performance through DORA (and other) metrics. Your expertise Strong experience in modern frontend or fullstack development with a deep understanding of component-driven architecture. Knowledge of modern software delivery lifecycles, including CI/CD, automated testing (unit, integration, E2E), and observability. Solid skill in unblocking people-related issues and facilitating "blame-free" post-mortems and continuous feedback loops. Ability to interpret system performance data and developer feedback to continuously refine team processes and tooling. A proven track record of managing an engineering team is a plus. Our commitment to you Contribute to a more sustainable world on a daily basis. Competitive salary Comprehensive health benefits package Flexible work arrangements (remote & hybrid working) Professional development opportunities (Mentor/mentee program & buddyprogram) International company event once a year Lunch provided by the office Cultural holiday swap Day off on your birthday Possibility to travel Come be a part of our team! If this role fits you, we would love to hear from you. iChoosr is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

🏢 Summary: Senior Software Engineer role focused on designing and building AI-powered backend systems that automate healthcare operations while supporting human workflows. The position involves hands-on system architecture, workflow orchestration, distributed systems, and AI process automation in a regulated environment. Remote-first work with required overlap with US Central Time. 🗂️ Requirements: 6+ years of experience building and maintaining production software systems, Strong experience designing and owning complex backend systems, Strong backend engineering skills, Experience with asynchronous, event-driven, or workflow-based distributed systems, Ability to work with 4–5 hour daily overlap with US team, Experience with AI or LLM-based systems and process automation, Strong spoken and written English communication skills, Ability to solve unclear problems with incomplete information, Self-motivated with strong ownership and responsibility 📃 Skills: TypeScript, Node.js, AI, LLM, Claude, Backend, APIs, HIPAA 🏢 Description: Please Note: Overlap with Central US Time required (until 20-21:00 CEST) We are a health technology company that helps older people and their families apply for important eldercare benefits, including Medicaid, Medicare, and VA programs. We work with healthcare, government systems, and people’s daily lives, so accuracy, reliability, and trust are very important. As the number of patients grows from hundreds to thousands, manual work is no longer enough. We are building AI-powered systems to automate routine tasks while keeping people involved for quality checks, difficult cases, and patient safety. Our goal is to make healthcare operations more scalable without losing the human connection. The Role We are looking for a Senior Software Engineer to lead the design and development of systems that combine AI automation with human workflows. This is an important role close to the core business. It is a fully hands-on position with no management duties or direct reports. You will not only build features, but also design systems, define best practices, and guide technical decisions as we grow. You should feel comfortable solving unclear problems, working closely with operations and product teams, and making smart decisions in a regulated environment. This role is a good fit for someone who enjoys system design, building reliable infrastructure, and taking ownership of their work. What You’ll Work On Designing workflow and orchestration systems for complex operations. Creating AI automations that handle routine tasks safely and send difficult cases to humans. Building systems where AI supports human work before, during, and after tasks. Managing long-running workflows that can last days or weeks. Connecting with external systems such as EVV platforms, insurers, government portals, and older messaging tools. Designing confidence scoring, auditing, and rollback systems for AI processes. Improving system reliability, monitoring, and error handling in production. Responsibilities Lead the technical design and development of scalable backend systems. Make and document architecture decisions with clear trade-offs. Create patterns for collaboration between AI systems and human workers. Work closely with operations teams to understand real-world issues and edge cases. Make sure systems are observable, auditable, and safe to run at scale. Identify technical risks early and suggest solutions. Maintain high standards for code quality, testing, and system design. Share knowledge and help improve the team’s technical standards through reviews and collaboration. What We’re Looking For Required 6+ years of experience building and maintaining production software systems. Strong experience designing and owning complex backend systems. Strong backend engineering skills (we use TypeScript and Node.js, but other languages are welcome). Experience with asynchronous, event-driven, or workflow-based distributed systems. Ability to work with a daily 4–5 hour overlap with the US team (until 20:00 or 21:00 Polish time). Comfortable working with unclear problems and incomplete information. Strong spoken and written English communication skills. Self-motivated with a strong sense of ownership and responsibility. Experience working with AI or LLM-based systems and process automation, such as using Anthropic’s API (Claude) or similar tools in business workflows. Nice to Have Experience in healthtech or other regulated industries. Knowledge of HIPAA and healthcare data privacy and security rules. Experience building systems with strict compliance or audit requirements. Experience with human review workflows. Experience integrating with unstable or legacy third-party APIs. Master’s or PhD in Computer Science, Engineering, or a related field. How We Work Remote-first company. Small, experienced teams with high trust and independence. Strong focus on system accuracy, reliability, and long-term maintenance. Practical and thoughtful use of AI, both for internal development and within our product. Direct connection to real users and operational impact.

🏢 Summary: Senior Software Engineer role focused on designing and building scalable backend systems that combine AI automation with human workflows in a regulated healthtech environment. The position involves hands-on system design, workflow orchestration, and development of reliable, auditable AI-powered processes integrated with external platforms. The engineer will lead technical decisions and ensure production-grade reliability, safety, and scalability. 🗂️ Requirements: 6+ years building and maintaining production software systems, Strong experience designing and owning complex backend systems, Strong backend engineering experience, Experience with asynchronous or event-driven distributed systems, Experience with workflow-based systems, Experience integrating AI or LLM-based systems into business workflows, Ability to design scalable, reliable, and auditable systems, Experience working with external or legacy APIs, Ability to overlap 4–5 hours with US time zone, Strong English communication skills 📃 Skills: TypeScript, Node.js, AI, LLM, Anthropic, Claude, APIs, DistributedSystems, EventDriven, Workflows, Backend, Architecture, Monitoring, Testing 🏢 Description: Please Note: Overlap with Central US Time required (until 20-21:00 CEST) We are a health technology company that helps older people and their families apply for important eldercare benefits, including Medicaid, Medicare, and VA programs. We work with healthcare, government systems, and people’s daily lives, so accuracy, reliability, and trust are very important. As the number of patients grows from hundreds to thousands, manual work is no longer enough. We are building AI-powered systems to automate routine tasks while keeping people involved for quality checks, difficult cases, and patient safety. Our goal is to make healthcare operations more scalable without losing the human connection. The Role We are looking for a Senior Software Engineer to lead the design and development of systems that combine AI automation with human workflows. This is an important role close to the core business. It is a fully hands-on position with no management duties or direct reports. You will not only build features, but also design systems, define best practices, and guide technical decisions as we grow. You should feel comfortable solving unclear problems, working closely with operations and product teams, and making smart decisions in a regulated environment. This role is a good fit for someone who enjoys system design, building reliable infrastructure, and taking ownership of their work. What You’ll Work On Designing workflow and orchestration systems for complex operations. Creating AI automations that handle routine tasks safely and send difficult cases to humans. Building systems where AI supports human work before, during, and after tasks. Managing long-running workflows that can last days or weeks. Connecting with external systems such as EVV platforms, insurers, government portals, and older messaging tools. Designing confidence scoring, auditing, and rollback systems for AI processes. Improving system reliability, monitoring, and error handling in production. Responsibilities Lead the technical design and development of scalable backend systems. Make and document architecture decisions with clear trade-offs. Create patterns for collaboration between AI systems and human workers. Work closely with operations teams to understand real-world issues and edge cases. Make sure systems are observable, auditable, and safe to run at scale. Identify technical risks early and suggest solutions. Maintain high standards for code quality, testing, and system design. Share knowledge and help improve the team’s technical standards through reviews and collaboration. What We’re Looking For Required 6+ years of experience building and maintaining production software systems. Strong experience designing and owning complex backend systems. Strong backend engineering skills (we use TypeScript and Node.js, but other languages are welcome). Experience with asynchronous, event-driven, or workflow-based distributed systems. Ability to work with a daily 4–5 hour overlap with the US team (until 20:00 or 21:00 Polish time). Comfortable working with unclear problems and incomplete information. Strong spoken and written English communication skills. Self-motivated with a strong sense of ownership and responsibility. Experience working with AI or LLM-based systems and process automation, such as using Anthropic’s API (Claude) or similar tools in business workflows. Nice to Have Experience in healthtech or other regulated industries. Knowledge of HIPAA and healthcare data privacy and security rules. Experience building systems with strict compliance or audit requirements. Experience with human review workflows. Experience integrating with unstable or legacy third-party APIs. Master’s or PhD in Computer Science, Engineering, or a related field. How We Work Remote-first company. Small, experienced teams with high trust and independence. Strong focus on system accuracy, reliability, and long-term maintenance. Practical and thoughtful use of AI, both for internal development and within our product. Direct connection to real users and operational impact.

🏢 Summary: Lead Software Engineer role focused on designing and delivering scalable, cloud-native backend systems and distributed workflows using C#/.NET and Azure. The position involves owning the full software development lifecycle and building microservices-based architectures with advanced orchestration using Temporal. You will mentor engineers, optimize performance and scalability, and ensure reliable, secure cloud solutions. 🗂️ Requirements: Extensive experience developing backend services and APIs in C#/.NET, Experience with Azure services including App Services, AKS, Blob Storage, SQL/NoSQL databases, Experience with microservices architecture and distributed systems, Hands-on experience with Temporal .NET SDK or other workflow orchestration tools, Strong understanding of scalable, secure, and reliable cloud-native application design, Experience designing and implementing RESTful or gRPC APIs, Knowledge of data storage best practices including security, availability, and compliance 📃 Skills: C#, .NET, Azure, AKS, AppServices, BlobStorage, SQL, NoSQL, Microservices, Temporal, DurableFunctions, StepFunctions, Airflow, REST, gRPC, Kubernetes 🏢 Description: (#5369) Working hours: 14:00-22:00 CET As a Lead Software Engineer, you will own all aspects of the software development lifecycle including design, development, testing, deployment, and maintenance of product features in software products. You will play a key role in ensuring that our client's storage solutions are reliable, scalable, and support advanced orchestration using technologies such as the Temporal .NET SDK. You will enjoy fast-paced entrepreneurial environments where you can solve difficult problems using current technologies and tools. You will collaborate well with other team members when brainstorming, designing, and implementing new solutions. You will also help the team succeed by thinking about ways to improve processes, suggesting ways to make the team more effective, and mentoring and modeling engineering best practices. Responsibilities: Design, develop, and maintain high-performance backend systems and APIs using C# and .NET technologies, hosted in Azure and various compliance-level data centers Build and maintain microservices-based architectures using C#, ASP.NET, and others Leverage Azure services like Azure App Services, Azure Kubernetes Service (AKS), Azure Blob Storage, and SQL/No-SQL databases to build scalable, secure, and reliable cloud-native solutions Design, implement, and maintain distributed workflows using the Temporal .NET SDK to provide resilient and observable orchestration for business-critical backend processes Integrate Temporal workflows with our .NET microservices architecture and cloud-based infrastructure Design and implement RESTful or gRPC APIs, and ensure seamless integration with other systems and products Optimize architecture and solutions for scalability and availability, with cost and maintenance in mind Identify and address performance bottlenecks and scalability challenges proactively Align across teams for designs, communicate and resolve roadblocks Guide and mentor other engineers through design and code reviews Required Qualifications: Extensive experience developing backend services and APIs in C#/.NET Experience with Azure services including App Services, AKS, Blob Storage, SQL/NoSQL Databases Experience with microservices architecture and distributed systems Hands-on experience with the Temporal .NET SDK or other workflow orchestration/tools (e.g., Durable Functions, Step Functions, Apache Airflow) Strong understanding of designing and building scalable, secure, and reliable cloud-native applications Experience with designing and implementing RESTful or gRPC APIs Knowledge of data storage best practices, including security, availability, and compliance Preferred Qualifications: Familiarity with integrating orchestration tools into enterprise software environments Experience with performance optimization, cost management, and designing for high availability Excellent communication and collaboration skills Prior experience mentoring engineers and conducting design/code reviews Background in supporting analytics and business intelligence integrations We offer: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits

🏢 Summary: Hands-on Principal Software Engineer / Tech Lead role focused on architecting and developing AI-driven solutions for a global tax consulting platform. The position combines technical leadership with active backend and AI development, shaping microservices-based architecture and GenAI-enabled engineering practices. Remote role from Poland requiring close collaboration with product and engineering teams. 🗂️ Requirements: 9+ years software engineering experience in complex global environments, 5+ years experience as Tech Lead or Architect with hands-on coding, Strong expertise in C# and .NET, Experience with Python in AI-related use cases, Frontend experience with React, Angular, or Vue.js, Experience with Microsoft Azure (Functions, Service Bus/Event Hub, App Services, SQL/MongoDB), Strong knowledge of microservices architecture, DDD, CQRS, SOLID, Clean Architecture, Experience with DevOps practices (CI/CD, deployment, monitoring), Hands-on experience with AI development tools (e.g., GitHub Copilot, OpenAI), Fluent English (C1 level) 📃 Skills: C#, .NET, Python, React, Angular, Vue, Azure, SQL, MongoDB, Microservices, DDD, CQRS, SOLID, CI/CD, DevOps, GenAI, OpenAI, GitHubCopilot 🏢 Description: We are looking for a highly experienced Principal Software Engineer / Tech Lead to join a global engineering team working on the Sightline platform – an in-house solution supporting tax consulting services worldwide. This is a hands-on leadership role , combining responsibilities across architecture, software engineering, and team leadership . You will play a key role in shaping the technical direction of AI-driven solutions, while actively contributing to development. You will work on cutting-edge AI-powered systems , leveraging GenAI tools and agent-based development approaches to build scalable, high-quality, and business-oriented solutions Location: Remote from Poland Language: Polish and English Key Responsibilities Lead the end-to-end design, development, and deployment of new platform components and features Define and drive architecture decisions (microservices, DDD, CQRS, Clean Architecture) Collaborate closely with Product Owners and stakeholders to align technical solutions with business needs Lead and mentor software engineers and QA teams , ensuring high engineering standards Conduct code reviews and provide technical guidance , promoting best practices across teams Ensure compliance with platform standards, security, and performance requirements Support production environments (L3 support) – troubleshooting and resolving complex issues Drive adoption of AI tools and GenAI practices in the development lifecycle Stay up to date with the latest AI frameworks, agent platforms, and engineering practices Requirements (Must Have) 9 to 12+ years of experience in software engineering within complex, global environments 5+ years as Tech Lead / Architect , with strong hands-on experience Strong expertise in C# / .NET (core backend technology) Experience with Python (especially in AI-related use cases) Frontend experience with React, Angular, or Vue.js Strong experience with Microsoft Azure (Functions, Service Bus/Event Hub, App Services, SQL/MongoDB) Solid understanding of microservices architecture, DDD, CQRS, SOLID, Clean Architecture Experience with DevOps practices and tools (CI/CD, deployment, monitoring) Hands-on experience with AI-enabled development tools (e.g. GitHub Copilot, OpenAI, etc.) Strong communication skills and ability to work with senior stakeholders and business teams Fluent English ( C1 level )