New offer - be the first one to apply!

July 8, 2026

Software Developer

Senior • On-site

4,500 - 4,980 EUR

Warsaw, Poland

This is a near-site contract role based at a EU agency headquarters in Warsaw, working on enterprise SharePoint solutions. You'll be embedded with the client team, contributing to full-stack development, technical leadership, and 2nd/3rd line support across a regulated public-sector environment.

Contract details

  • 12-month initial term with up to 3 annual renewals (maximum 48 months total)
  • Earliest start: 1 August 2026
  • ~220 man-days per year (normal working hours)

What you'll do

  • Design, develop, and optimise enterprise-level software systems in the SharePoint domain
  • Lead technical teams and translate business requirements into architecture and design
  • Develop across the full stack: data layer, business logic layer, and UI layer
  • Build and maintain custom SharePoint solutions (SDK, workflows, timer jobs, features)
  • Develop .NET / .NET Core and SQL Server applications with T-SQL
  • Build and consume Web Services, REST APIs, and HTTP APIs
  • Manage Azure DevOps pipelines, configuration, and releases
  • Produce technical documentation, estimates, and prototypes
  • Act as 2nd and 3rd line support
  • Contribute to requirements analysis, testing, QA, change management, and deployment

What you bring

Mandatory:

  • ICT-relevant degree (minimum Level 6)
  • English language proficiency at B2 (CEFR) or above
  • At least 4 years of ICT-relevant professional experience
  • At least 2 years of project experience relevant to software development
  • At least 1 intermediate-level certification in software development relevant to the SharePoint domain (or internationally recognised equivalent)
  • Personal Security Clearance (at least Level 1 required — candidates must hold or be eligible to obtain)

Technical requirements:

  • Minimum 2 years of experience in a Full-stack SharePoint support or developer role (custom solutions, SDK, workflows, timer jobs, features)
  • Microsoft .NET / .NET Core, Microsoft SQL Server, T-SQL
  • Azure DevOps pipelines
  • Web Services, REST API, HTTP API
  • HTML & CSS (responsive design), JavaScript, TypeScript (arrow functions, destructuring), React
  • UML — ability to design applications in UML
  • Scrum / agile development experience
  • Proven ability to lead technical teams

Assessment

  • Written test (up to 100 points, 60% pass threshold) + interview (up to 100 points, 60% pass threshold)

Location

  • Frontex Headquarters, Warsaw, Poland
  • Near-site service provision (Lot 1)
  • Some travel to other locations may be required

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Krakow, MA, Poland

🏢 Summary: Senior .NET Full-Stack Engineer role focused on designing, developing, and supporting scalable enterprise applications using Microsoft 365, cloud platforms, and modern web technologies. The position involves building integrations, APIs, automation workflows, and Power Platform solutions while collaborating with cross-functional stakeholders in an Agile environment. The role emphasizes secure, cloud-based development across Azure and AWS ecosystems. 🗂️ Requirements: 3+ years of full-stack engineering experience, Experience with enterprise application development, Strong experience with SharePoint Online, Proficiency in C#, Proficiency in .NET, Hands-on experience with SPFx, Experience with React, Experience with PowerShell scripting, Experience with Microsoft Power Platform (Power Apps, Power Automate, Power BI, Dataflows), Experience developing Azure applications and web services, Experience supporting AWS-hosted applications, Understanding of secure application development practices, Ability to troubleshoot complex technical issues, Experience working in Agile environments, English proficiency at B2 level or higher 📃 Skills: C#, .NET, SharePoint, SPFx, React, PowerShell, PowerApps, PowerAutomate, PowerBI, Dataflows, Azure, AWS, APIs, SFTP, SQL, Jira 🏢 Description: We are seeking a highly skilled Senior .NET Full-Stack Engineer to join the Enterprise Applications team responsible for developing, enhancing, and supporting multiple internal business applications and platforms. This role will focus on delivering scalable, secure, and modern enterprise solutions using Microsoft 365 technologies, cloud services, and modern application development frameworks. The ideal candidate will have strong hands-on engineering experience, excellent problem-solving abilities, and the capability to collaborate effectively with business and technology stakeholders across multiple initiatives. Responsibilities Design, develop, enhance, and support enterprise applications and integrations Build modern solutions leveraging SharePoint Online, SPFx, React, .NET, and Power Platform technologies Develop and maintain APIs, automation workflows, and cloud-hosted applications Collaborate with business stakeholders, product owners, architects, and engineering teams to gather and refine requirements Support multiple internal applications across various business functions Develop Power Platform solutions, including Power Apps, Power Automate, Power BI, and Dataflows Create and maintain scripts and automation processes using PowerShell Build and support Azure applications, web services, and AWS-hosted solutions Participate in application troubleshooting, root-cause analysis, and production support activities Contribute to technical design discussions, code reviews, and engineering best practices Support Agile delivery processes, including sprint planning, backlog grooming, and estimation activities Maintain technical documentation and operational procedures Requirements 3+ years of experience in full-stack engineering and enterprise application development Strong experience with SharePoint Online Proficiency in C# and .NET Hands-on experience with SPFx and React Skills in PowerShell scripting and automation Background in Microsoft Power Platform, including Power Automate, Power Apps, and Power BI, as well as Dataflows Hands-on experience developing Azure applications and web services, plus supporting applications hosted in AWS Showcase of strong application development and integration experience across enterprise-scale internal applications Understanding of secure application development practices Ability to troubleshoot and resolve complex technical issues Familiarity with collaborative Agile environments Proficiency in English at an Upper-Intermediate level (B2) or higher Nice to have Familiarity with the Microsoft 365 application ecosystem and Azure Entra ID Knowledge of API development, SFTP integration, and file transfer solutions Exposure to AWS EKS environments Competency in analytical thinking, business engagement, and Agile methodology using Jira Basic understanding of databases and SQL We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

Technology

EPAM Systems

Senior .NET Full-Stack Engineer with SPFx

Senior

Remote

Warsaw, Poland

🏢 Summary: Senior .NET Full-Stack Engineer role focused on developing and supporting enterprise internal applications using Microsoft 365, cloud platforms, and modern web technologies. The position involves building scalable, secure solutions with SharePoint Online, SPFx, React, .NET, Power Platform, Azure, and AWS in an Agile environment. Candidates will collaborate with cross-functional teams to deliver integrations, APIs, automation, and cloud-hosted applications. 🗂️ Requirements: 3+ years of full-stack engineering and enterprise application development experience, Strong experience with SharePoint Online, Proficiency in C# and .NET, Hands-on experience with SPFx and React, Experience with PowerShell scripting and automation, Experience with Microsoft Power Platform (Power Apps, Power Automate, Power BI, Dataflows), Hands-on experience developing Azure applications and web services, Experience supporting applications hosted in AWS, Strong enterprise application development and integration experience, Understanding of secure application development practices, Ability to troubleshoot and resolve complex technical issues, Experience working in Agile environments, English proficiency at B2 level or higher 📃 Skills: C#, .NET, SharePoint, SPFx, React, PowerShell, PowerApps, PowerAutomate, PowerBI, Dataflows, Azure, AWS, APIs, SFTP, SQL, Jira, EntraID, EKS 🏢 Description: We are seeking a highly skilled Senior .NET Full-Stack Engineer to join the Enterprise Applications team responsible for developing, enhancing, and supporting multiple internal business applications and platforms. This role will focus on delivering scalable, secure, and modern enterprise solutions using Microsoft 365 technologies, cloud services, and modern application development frameworks. The ideal candidate will have strong hands-on engineering experience, excellent problem-solving abilities, and the capability to collaborate effectively with business and technology stakeholders across multiple initiatives. Responsibilities Design, develop, enhance, and support enterprise applications and integrations Build modern solutions leveraging SharePoint Online, SPFx, React, .NET, and Power Platform technologies Develop and maintain APIs, automation workflows, and cloud-hosted applications Collaborate with business stakeholders, product owners, architects, and engineering teams to gather and refine requirements Support multiple internal applications across various business functions Develop Power Platform solutions, including Power Apps, Power Automate, Power BI, and Dataflows Create and maintain scripts and automation processes using PowerShell Build and support Azure applications, web services, and AWS-hosted solutions Participate in application troubleshooting, root-cause analysis, and production support activities Contribute to technical design discussions, code reviews, and engineering best practices Support Agile delivery processes, including sprint planning, backlog grooming, and estimation activities Maintain technical documentation and operational procedures Requirements 3+ years of experience in full-stack engineering and enterprise application development Strong experience with SharePoint Online Proficiency in C# and .NET Hands-on experience with SPFx and React Skills in PowerShell scripting and automation Background in Microsoft Power Platform, including Power Automate, Power Apps, and Power BI, as well as Dataflows Hands-on experience developing Azure applications and web services, plus supporting applications hosted in AWS Showcase of strong application development and integration experience across enterprise-scale internal applications Understanding of secure application development practices Ability to troubleshoot and resolve complex technical issues Familiarity with collaborative Agile environments Proficiency in English at an Upper-Intermediate level (B2) or higher Nice to have Familiarity with the Microsoft 365 application ecosystem and Azure Entra ID Knowledge of API development, SFTP integration, and file transfer solutions Exposure to AWS EKS environments Competency in analytical thinking, business engagement, and Agile methodology using Jira Basic understanding of databases and SQL We offer We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.