31 senior software developer jobs

Fancy helping to shape the future of FinTech? We have always been innovators. In 1996 we were the first company to share exchange rate information, free of charge on the internet. Today, we are a world leading online trading group. Join us to: Help build the future of online trading Be part of a culture driven by integrity and global impact Become part of an award-winning company - check out our full list of awards here We are only as good as our people. Luckily, our people are the best. Join us! How do we work? Hi Salesforce Experts! In this role, you will join a team of 6 members based primarily in Poland, serving as an internal technical authority and operational partner for our global Salesforce ecosystem. We work in a hybrid model - we'd love to meet you in the office 2 times a week with respect to your own commitments. In this role, you will: Collaborate closely with our Solution Architect to implement robust technical designs for complex...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. Setting our standards high, we can always count on each other. Within our department, we also organize workshops and guilds - meetings dedicated to specific areas or technologies - to continuously develop our skills and build a strong engineering community. Who We Are Looking For We are seeking a Team Leader to lead our...

As a Senior Software Engineer reporting to Head of Engineering, you'll play a critical role in designing, building, and evolving software solutions that power Nasdaq's global technology platforms. Based in Poland, you'll work across architecture, development, and delivery to create scalable, high-quality systems that drive real business impact. You'll thrive in this position if you're a collaborative problem-solver with a strategic mindset, a passion for technology, and the ability to mentor others in a fast-paced, high-impact environment. Key Responsibilities Design, develop, and implement software solutions across new and existing applications, systems architecture, and infrastructure to meet complex business needs. Analyse and review system requirements and business processes, translating them into robust, well-tested, and maintainable code. Evaluate emerging technology and market trends to identify opportunities, inform technology decisions, and maintain competitive...

Overview Connecting clients to markets – and talent to opportunity With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement...

Overview Connecting clients to markets – and talent to opportunity With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors. Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth. Business Segment Overview: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement...

Job Description Standard Chartered bank is hiring Senior Haskell Developer for the front office Modelling and Analytics Group. We have dozens of developers working in very diverse financial market projects within corporate and institutional banking. Some of our projects are user-facing GUIs, others are server-side request handlers or reporting tools. Their scope ranges from small applications to support a single team, to processes that handle millions of trades, or have thousands of users. We use Haskell (or our in-house variant, Mu) for practically everything we do. We expect solid computer science knowledge and demonstrated typed functional programming experience at all levels, but you will also be responsible for architecture design, stakeholder communication, project management, and project and/or team leadership. We use git for source control and Azure DevOps for code reviews, documentation and project tracking. No finance knowledge is required, but excellent communication...

Fancy helping to shape the future of FinTech? We’ve always been innovators. In 1996 we were the first company to share exchange rate information, free of charge on the internet. Today, we’re a world leading online trading group. Join us to: Help build the future of online trading. Be part of a culture driven by integrity, and global impact. Become part of an award-winning* company. We are only as good as our people. Luckily, our people are the best. Join us! *You can check out our full list of awards here . How do we work? This is a senior leadership role reporting to the CTO, working in close partnership with the heads of product, infrastructure, data, and security. You'll be responsible for the overall health, productivity, and direction of an ~80-person engineering department spanning multiple product areas. We work in a hybrid model from our offices in Krakow or Warsaw. Travel to build relationships with engineering teams and stakeholders in-person further...

Fancy helping to shape the future of FinTech? We have always been innovators. In 1996 we were the first company to share exchange rate information, free of charge on the internet. Today, we are a world leading online trading group. Join us to: Help build the future of online trading Be part of a culture driven by integrity and global impact Become part of an award-winning company - check out our full list of awards here. We are only as good as our people. Luckily, our people are the best. Join us! How do we work? We’re looking for a Sr. Backend Engineer with experience as a developer and architect of C++ applications. You’ll be joining the OANDA engineering team that owns the backend of a renowned trading platform used by our customers to analyse global currency markets and trade forex and CFDs. Your contributions will impact the thousands of customers who trade billions of dollars in volume on our platform every day. You’ll also leverage the latest technologies...

So, who are we? IG is a FTSE 100 fintech operating across five continents, serving over 1.3m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means for the people who work here is real: genuinely complex problems to solve, the technology and resources to tackle them properly, and the kind of scope that's rare in established businesses. The bar is high – bring a curious and forward-thinking mindset and we'll give you the platform to define what comes next. Join us at IG – the future gets built here. Your team This role is part of our Platform Engineering team -- they are responsible for building the cloud and containers platform landscape to support the business applications via self-service capabilities and automation. Your role in the team's success The Senior Platform Engineer is a hands-on technical contributor responsible for...

Who are we looking for? We are looking for a Team Leader to join our Technical Platform team for web applications. We are seeking someone who combines strong technical expertise with leadership skills and can translate product vision and business needs into effective technical solutions. About the team We build tools and solutions that enable product teams to deliver business value faster, more securely, and more efficiently. We develop web applications using a microfrontend architecture , with a strong focus on quality, scalability, maintainability, and modern technologies. Required experience and qualifications Several years of experience as a Senior Developer , Tech Lead , or Software Architect . Several years of formal people management experience as a manager. Hands-on experience developing and evolving web applications based on microfrontend architecture (Angular) . Strong understanding of scalability, performance, and reliability of web applications....

We are looking for an experienced Senior Software Engineer - Python / AI Engineer to join the Internal Development Team. In this role, you will design, develop, and maintain internal tools, APIs, AI-driven automation workflows, and system integrations that improve operational efficiency across Capital.com. The role is strongly focused on building practical AI solutions, including AI agents, agent workflows, automated decision-support flows, and integrations with internal and external systems. You will collaborate closely with Engineering, Security, Operations, Compliance, Finance, and other business teams to deliver secure, reliable high-quality software that supports internal workflows, data integration, and emerging AI-driven initiatives. Key Responsibilities: Develop and maintain internal services, tools, APIs, automation scripts, and AI-enabled workflows Design and implement AI agents, multi-step agent flows, and automation pipelines to support internal business...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. We are looking for a Senior Full Stack Developer (70% Java - 30% Angular) to join the Customer Care team and help build the ecosystem of applications supporting XTB's client service operations. You will design and develop both backend microservices and user interfaces - from solution design through to production deployment....

HYBRID MODE: 3 DAYS FROM THE OFFICE IN KRAKOW) (if you live outside of Krakow, relocation is also possible) Project Description: You will be working in the FX Linear Client and Trading Apps crew in Krakow, which is part of a global Investment Bank Technology organization. The team is working using agile principles and is responsible for building and maintaining applications that are essential for FX trading, including supervision and regulatory reporting systems, and possibly others. As a Senior Java Software Engineer, you will play an important role in delivering business value while shaping the future of our technology stack as well as assuring high quality and reducing technical risk for developed solutions. We're looking for a passionate Software Developer with strong Can-Do attitude who: • has strong sense of ownership and drives front-to-back assigned deliveries within a supportive team environment • cooperates with different stakeholders in introduction and...

Fancy helping to shape the future of FinTech? We’ve always been innovators. In 1996 we were the first company to share exchange rate information, free of charge on the internet. Today, we’re a world leading online trading group. Join us to: Help build the future of online trading. Be part of a culture driven by integrity, and global impact. Become part of an award-winning* company. We are only as good as our people. Luckily, our people are the best. Join us! *You can check out our full list of awards here . How do we work? This is a senior leadership role reporting to the CTO, working in close partnership with the heads of product, infrastructure, data, and security. You'll be responsible for the overall health, productivity, and direction of an ~80-person engineering department spanning multiple product areas. We work in a hybrid model from our offices in Krakow or Warsaw. Travel to build relationships with engineering teams and stakeholders in-person further...

Job Description Standard Chartered bank is hiring Senior Haskell Developer for the front office Modelling and Analytics Group. We have dozens of developers working in very diverse financial market projects within corporate and institutional banking. Some of our projects are user-facing GUIs, others are server-side request handlers or reporting tools. Their scope ranges from small applications to support a single team, to processes that handle millions of trades, or have thousands of users. We use Haskell (or our in-house variant, Mu) for practically everything we do. We expect solid computer science knowledge and demonstrated typed functional programming experience at all levels, but you will also be responsible for architecture design, stakeholder communication, project management, and project and/or team leadership. We use git for source control and Azure DevOps for code reviews, documentation and project tracking. No finance knowledge is required, but excellent communication...

XTB is a global company from the financial industry, focusing on online trading of financial instruments. We are the largest FinTech in Poland and a leader in Central and Eastern Europe, and the range of our operations covers several countries, including Asia and South America. At XTB, we focus on the development of our employees, giving them opportunities to gain knowledge and skills in various fields, as well as offering a number of training and development programs. If you are looking for challenges and want to gain valuable experience in an international business environment, XTB is the right place for you. We are a certified Great Place to Work company. Responsibilities Working in a Scrum environment, with a strong focus on effective team collaboration. Development of multiple products, offering the opportunity to build a wide range of functionalities. High-performance systems - we process massive volumes of data with minimal latency. A strong emphasis on high...

Job Description We are looking for an experienced Lead Data Engineer to lead the architecture, evolution, and delivery of our modern AWS-native data platform. This platform powers underwriting intelligence, GenAI-driven insights, and large-scale content processing, serving as the foundation for data products across the organization. You will own the full data lifecycle—from ingestion and transformation to storage, retrieval, and AI consumption—working across Python-based processing pipelines, .NET services, Aurora PostgreSQL, OpenSearch, and LangGraph-powered agentic workflows. This is a senior individual contributor role with significant technical leadership responsibilities. You will define engineering standards, drive architectural decisions, mentor engineers, and collaborate closely with product, platform, and AI teams to build reliable, scalable, and high-performing data systems. Responsibilities Design, build, and evolve scalable, fault-tolerant data pipelines...

So, who are we? IG is a FTSE 100 fintech operating across five continents, serving over 1.3m customers and handling billions of dollars in transactions – built on scale, trust, and proof. We didn't pivot to innovation; it's how we've always operated. What that means for the people who work here is real: genuinely complex problems to solve, the technology and resources to tackle them properly, and the kind of scope that's rare in established businesses. The bar is high – bring a curious and forward-thinking mindset and we'll give you the platform to define what comes next. Join us at IG – the future gets built here. Your team The Platform SRE team is the engine of IG’s reliability programme. We sit within Infrastructure & Operations, working across IG’s hybrid estate of on-premises HashiCorp Nomad and AWS. We are not a reactive ops team. We build the platform, standards, and tooling that make reliability the default for every engineering...

As a Software Engineer reporting to the VP, Product Management, you'll play a critical role in designing and delivering sophisticated software solutions that power Nasdaq's AxiomSL AI product. You'll work across the full development lifecycle, from architecture to implementation, bringing your expertise to a fast-growing, innovation-driven team. You'll thrive in this position if you're a problem-solver who enjoys tackling complex technical challenges, collaborating across functions, and helping those around you grow. Please note: This is an urgent hiring requirement, and we are seeking a candidate who can join the team no later than 1 October 2026. Candidates with immediate availability or short notice periods are strongly encouraged to apply. Key Responsibilities Design, develop, and implement scalable software solutions across new and existing applications and systems architecture. Lead technical analysis of complex assignments, including coding, testing, debugging, and...

We are seeking a skilled Junior .NET Engineer who’s ready to grow. If you thrive in a dynamic, open and team-oriented environment with a passion for solving problems, we want to hear from you! It is a hybrid position offering you the flexibility to work 3 days per week from one of our well-equipped offices in Krakow, Wroclaw or Gdansk. Responsibilities Develop, test, and maintain web-based applications, services, and APIs using .NET technologies (C#, ASP.NET Core, etc.) Collaborate with Product Managers, Designers, and other Engineers Deploy, integrate, and monitor software on cloud platforms such as Microsoft Azure, AWS, or Google Cloud Platform Troubleshoot and resolve technical issues across production and non-production environments Participate in code reviews to ensure code quality, reusability, and maintainability Stay updated on the latest trends in .NET frameworks, cloud technologies, and relevant development tools Requirements Bachelor's degree in...