Metasite

Design, build, integrate, support financial platforms

Senior Software Engineer - .Net

Backend EngineeringConfirmed live in the last 24 hours

Full-timeVilnius, Vilnius City Municipality, Lithuania€5k

About the Job

Requirements

At least 5 years of professional software engineering experience with C# and .NET.
Proven experience in architectural design, system scalability, and distributed systems.
Strong knowledge of Microsoft SQL Server, including schema design, query optimization, and performance tuning.
Ability to balance delivery of business value with long-term technical strategy.
Excellent communication and leadership skills, with the ability to influence and drive consensus.
Strong advocacy for collaborative development practices and continuous improvement.
Ability to work independently and drive work forward.
Proficiency in written and verbal English.

Responsibilities

Lead end-to-end delivery of complex software solutions, from requirements gathering and architecture design through development, testing, and production deployment.
Own and drive long-term technical initiatives and architectural improvements across systems.
Collaborate with stakeholders to align technical solutions with business goals.
Champion engineering best practices, including continuous integration and continuous delivery, automated testing, and scalable design patterns.
Conduct code reviews and provide technical guidance to peers and junior engineers.
Identify and reduce technical debt, improve system resilience, and optimize performance.
Lead incident response and root cause analysis for production issues.
Balance multiple priorities, including new features, production issues, support requests, and releases.
Work day to day within the project tools, codebase, infrastructure, and processes as part of the project team.

Desired Qualifications

A financial services background.
Experience with cloud platforms such as Azure or AWS and containerization tools such as Docker or Kubernetes.

At Metasite, we do bespoke digital platforms and applications design, engineering, integration and support for our clients.

We're technology professionals who believe in the power of a dynamic flat-hierarchy culture, who constantly explore the latest IT trends and tools, and enjoy working in autonomous teams.

Our systems architects, software developers, UI designers, QA engineers, business analysts and PMs offer a rare combination of deep understanding of the domain and bespoke software engineering excellence.

We are seeking Senior Software Engineers with deep expertise in .NET and C# to lead the design and development of mission-critical systems across client domain. You will play a key role in shaping technical strategy, driving architectural decisions within a high-performing team.

Does this sound like the kind of work you’d enjoy? Then feel free to apply, we'd love to hear from you.

You will be:

Leading the end-to-end delivery of complex software solutions, from requirements gathering and architecture design to development, testing, and production deployment

Owning and driving long-term technical initiatives and architectural improvements across systems

Collaborating closely with stakeholders to align technical solutions with business goals

Championing engineering best practices, including CI/CD, automated testing, and scalable design patterns

Conducting code reviews and providing technical guidance to peers and junior engineers

Proactively identifying and reducing technical debt, improving system resilience, and optimizing performance

Leading incident response and root cause analysis for production issues

Balancing multiple priorities at once, new features, production issues, support requests, and releases;

Operating day-to-day within the project tools, codebase, infrastructure, and processes as part of the project team.

You will need:

5-7+ years of professional experience in software engineering with C# and .NET
Proven experience in architectural design, system scalability, and distributed systems;
Financial services background would be considered as advantage;
Strong knowledge of Microsoft SQL Server, including schema design, query optimization, and performance tuning;
Ability to balance delivery of business value with long-term technical strategy;
Excellent communication and leadership skills, with the ability to influence and drive consensus;
Strong advocate for collaborative development practices and continuous improvement;
Ability to work independently and drive things forward;
Proficient in English, both written and verbal.

Nice to have:

Experience with cloud platforms (e.g., Azure or AWS) and containerization (e.g., Docker, Kubernetes).

We offer:

A choice of working in our central Vilnius office or remotely.

A positive company culture with well-being benefits, private health and accident insurance, and flexible working hours.

Opportunities for growth and professional development.

A dedicated team ready to collaborate and drive collective success.

Salary ranges from 5000 EUR gross (the given range is flexible and depends on your experience).

About the Company

Metasite

Design, build, integrate, support financial platforms

Metasite designs, builds, integrates and supports custom financial software for banks, hedge funds, insurers, commodities traders, financial information providers and a top global stock exchange, serving the UK, Switzerland and the EU. Its approach delivers end-to-end, tailor-made platforms that match each client’s processes, combining domain expertise with engineering to design, deploy and provide ongoing support; ISO 27001 and ISO 9001 certifications and Lloyd’s insurance back its risk management. The company differentiates itself by blending deep financial-domain knowledge with bespoke software capabilities, serving high-stakes clients across banks, asset managers, exchanges and regulators, and offering robust standards and protections that many competitors lack. Its goal is to help financial institutions run complex, compliant, scalable platforms that fit their specific workflows through hands-on engineering and continuous support.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: Vilnius, Lithuania
Founded: 1997

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