Full Stack Developer
Lancesoft Europe
Duties:
Who you'll work with
Our McKinsey Value Intelligence team is a high-impact engineering and analytics squad. We operate on a micro-front-end architecture , and encourage our colleagues to use the best technology for the job - whether it's Golang , TypeScript, React, AWS, Postgres, MongoDB, Python, or anything else well suited. We're building tools that cut through complexity, and perform under heavy usage. If you love tackling tough challenges with smart, passionate teammates, this is the place to be.
Join our team and help redefine how companies create value. Our platform blends cutting-edge analytics, design thinking, and tech to drive real impact. Our team is at the forefront of this shift-building powerful software in collaboration with practice experts that help leaders cut through the noise and focus on what truly drives performance. By combining deep financial analytics with McKinsey's corporate finance expertise, we give our colleagues and clients the insights they need at scale, to unlock growth, optimize strategy, and maximize shareholder value.
What you'll do
- Design, build, and optimize B2B and consumer-grade products that drive real business impact.
- Work autonomously focusing on delivering high quality front-end code using React, TypeScript , running on cloud-based infrastructure.
- Architect and scale applications on AWS, Azure, or Google Cloud , leveraging container technologies like Docker , and infrastructure as code (Terraform).
- Champion best engineering practices - clean code, design patterns, CI/CD, security, and high scalability .
- Collaborate closely with business, design and product teams to translate complex challenges into elegant technical solutions.
- Thrive in an Agile environment, where adaptability and problem-solving are key.
Skills:
Backend & Database Engineering (most important)
- Demonstrated experience building applications using Golang
- Proven ability to design robust APIs and backend services that scale efficiently.
- Hands-on experience with SQL (Postgres, Snowflake) and NoSQL (MongoDB) databases, including writing complex queries, stored procedures, views, and optimizing performance.
Frontend (good to have - not critical)
- Experience: React, Webpack, SCSS etc, WebSockets, Federated Modules
- Some experience with backend frameworks (e.g., Express, Flask, Django, FastAPI).
- Good to have: Rspack, Micro-frontends
- Tooling: JIRA, Splunk, Slack
Cloud & DevOps (good to have - not critical)
- Hands-on experience with AWS including deploying applications and managing cloud infrastructure.
- Familiarity with cloud-native architectures, including serverless computing, microservices, and containerized deployments (Docker).
- Experience following cloud deployment best practices, leveraging infrastructure as code ( Terraform ) and troubleshooting cloud environments.
General Engineering & Leadership
- Ability to work independently with stakeholders , providing thought leadership on tech stack decisions and architectural trade-offs.
- Ability to leverage GenAI productivity tools (Claude Code Cursor, ) as an accelerant, not replacement
- Strong problem-solving skills, adaptability, and ability to work in high-paced environments.
- Excellent communication skills , capable of explaining technical concepts to both technical and non-technical audiences.
- Fluent in English (both written and verbal).
Education:
Bachelor's degree in Computer Science or similar, advanced degree preferred
- ...Kubernetes ) is an advantage. Nice to have: Experience developing high-scale SaaS products with polished, complex UIs. Eye... ...backend logic and integrate with third-party APIs as part of full-stack feature delivery. Participate in architectural decisions, research...SuggestedFull timeRemote workWorldwideFlexible hours
- ...Kubernetes ) is a strong advantage. Nice to have: Experience developing high-scale SaaS solutions . Deep understanding of CI/CD... ...for efficient job performance. ~ Accounting Support: Full accounting assistance in Ukraine and Poland. ~ Paid Time Off:...SuggestedFull timeWork experience placementRemote workWorldwideFlexible hours
- ...abstract concepts on this team, they're daily considerations What we're looking for Experience shipping production backend or full-stack features, with growing autonomy and less need for hand-holding on the basics Previous experience coding in Python in a...SuggestedFull timeRemote work
- ...behavior. Our objective is to help users complete tasks daily enjoyable with over ~90% reduced time. Role We are looking for a Full Stack Engineer - AI Systems to build the product layer that turns these capabilities into usable, production-grade workflows. This...Suggested
- About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of headless architecture, and experience leading enterprise-scale development initiatives. You'll be responsible for building scalable,...SuggestedFull time
- ...About This Role We are looking for a Senior Shopify Full Stack Developer with deep expertise in the Shopify ecosystem, a strong grasp of headless architecture, and experience leading enterprise-scale development initiatives. You'll be responsible for building scalable...Full time
- ...closely with back-end engineers, designers, and product managers to deliver seamless, accessible, and scalable web experiences. Develop responsive, accessible, and performant user interfaces using modern front-end technologies. Translate Figma /design mockups into...Full timeRemote workWorldwide
- About the role Senior Frontend Engineers work across our product domains. Your team match will reflect your strengths, interests and where you can contribute most. Across every team, the model is the same: small, autonomous groups, a weekly release cycle and ownership...Full time
- ...mission will be to enhance and scale the backend systems powering the Mimica platform ( MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance and reliability of existing...Full time
- ...The Role Lead a team of senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL Use Cursor IDE and AI coding assistants to accelerate development...Temporary workFor contractorsRemote workWork from homeHome office
- ...must handle multi-step reasoning, interact with external tools, and remain reliable despite non-deterministic model behavior. Our objective is to help users complete tasks daily enjoyable with over ~90% reduced time. Role We are looking for a Full Stack Engineer - AI S...
- ...significant portion of your responsibilities will include working closely with members of the backend team and Integrations team to develop features together. Engineers at ClickUp are also responsible for the quality of their own code, so you will work with a QA...Full time
- ...quality by testing new features, identifying defects, creating automated tests, recommending process and product improvements, and developing strong feature and product knowledge. Key Responsibilities Perform thorough functional, integration, API, regression, and...Full time
- We are hiring on behalf of our client, a growing, dynamic organization is seeking a skilled and detail-oriented Software Engineer - Backend & Data to join its team. This role will play a critical part in driving operational success, executing key initiatives, and contributing...Full timeFlexible hours
- ...the US and Asia. Most of our work is made async, which is the secret sauce of our success. What you need ~3+ years building full-stack web applications end-to-end ~ Strong at React + Node.js. MongoDB experience is a great plus. ~ Experience building complex applications...Remote work
- ...you ship it, you measure whether it worked. Move across the stack — Frontend, backend, infra — wherever the problem lives, that's... ...mobile, internal tools — anything that real users touched) ~ Proven full-stack experience: comfortable on both sides of the stack — Node...Full timeHome office
- ...What we're looking for As a Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems... ..., transactions booking, crypto liquidity) Our technology stack is based predominantly on Java 25 on the backend with Postgres database...Full time
- ...engineering. Experience building or operating distributed systems at a meaningful scale. Curiosity about the latest developer tooling. Our tech stack Backend: Go , Postgres , GCP , Kubernetes , gRPC Observability: Prometheus , Grafana CI/CD:...Full time
- ...scale aggregations; Understanding of Machine Learning concepts and production ML integrations. Responsibilities Design, develop, and maintain high-performance backend services in Go ; Analyze and optimize distributed systems and microservice-based architectures...Full time
- ...mission will be to enhance and scale the backend systems powering the Mimica platform ( MERN stack). This means designing and implementing a scalable architecture, developing and optimizing backend services and APIs, improving the performance and reliability of existing...Full time
- ...Design and evolve services for performance , scale , resilience and data integrity . Make clear technical decisions with a full understanding of the constraints, alternatives and trade-offs. Keep code and systems maintainable as products and requirements...Full time
- About Spate At Spate, we use data science to predict the next big consumer trend in beauty, personal care, wellness & functional food. Spate was founded in 2018 by Yarden Horwitz & Olivier Zimmer, two ex-Googlers who led the trendspotting division at Google and uncovered...Contract workShift work
- As a Backend Engineer on the Gitaly team, you’ll help build GitLab’s Git data storage tier, a standalone product that provides reliable, secure, and fast access to Git repositories through application programming interfaces (APIs) and storage operations. You’ll work ...Full time
- The Role Lead a team of senior full-stack developers and coordinate technical execution across projects Build scalable full-stack features using Next.js, React, TypeScript, Prisma, and PostgreSQL Use Cursor IDE and AI coding assistants to accelerate development workflows...Contract work
- ...direction across product teams while remaining close to the code. Your scope will include shared libraries, platform capabilities, developer tooling and difficult product-system problems. This is not a people-management role. Its leverage comes from technical...Full time
- ...concurrency and high-performance design . A track record of improving reliability , scalability , observability or developer effectiveness through durable mechanisms. The ability to influence technical direction through evidence, clarity and trusted execution...Full time
- ...video segments like Honest Trailers. Fandom equips high-agency developers with an uncompromised software canvas to engineer highly... ...highly analytical, connection-obsessed, and systems-minded Senior Full-Stack Software Engineer to join our dynamic, fast-paced CRM & Video...Permanent employmentFull timeRemote workWork from homeWorldwideFlexible hoursShift work
- ...Experience leading technical initiatives, mentoring engineers, or working with distributed external teams. Responsibilities Design, develop, and maintain high-performance backend services in Go ; Analyze and optimize distributed systems and microservice-based...Full time
- ...Software Engineer Fullstack to become a part of our vibrant team and will be work for our client from banking sector. Responsibilities: Develop and maintain scalable frontend applications using React 19 and TypeScript . Build and optimize applications within a Turbo monorepo...Full time
- ...Trinetix is looking for a skilled Databricks Developer with strong expertise in Apache Spark , Python , and modern data engineering practices. This role involves designing, developing, and maintaining scalable data ingestion, transformation, and analytics pipelines...Full time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Full Stack Developer. Be the first to apply!
- full stack engineer Poland
- full stack developer Poland
- remote .net full stack web developer Poland
- senior full stack developer Poland
- senior full stack web developer Poland
- full time engineer Poland
- full stack developer remote Poland
- full stack / python developer (remote) Poland
- senior java full-stack developer Poland
- full stack node.js developer Poland















