{"id":785345,"url":"https://alion.io/job/leversys-senior-software-engineer-back-end","title":"Senior Software Engineer (back-end)","company":{"id":679872,"name":"Leversys","domain":"leversys.com","url":"https://alion.io/company/leversys","size_band":"11-50","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Lever","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Belgrade, Serbia"],"countries":["RS"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":41000,"max_usd":112000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":4821},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Git","optional":false},{"name":"GraphQL","optional":false},{"name":"Java","optional":false},{"name":"Rest API","optional":false},{"name":"SQL","optional":false},{"name":"TCP/IP","optional":false},{"name":"Angular","optional":true},{"name":"AWS","optional":true},{"name":"Azure","optional":true},{"name":"JavaScript","optional":true},{"name":"React.js","optional":true},{"name":"TypeScript","optional":true},{"name":"Vue.js","optional":true}],"status":"live","first_seen_at":"2026-07-09T07:50:40Z","employer_posted_date":"2026-07-09","last_verified_at":"2026-10-05T02:01:56Z","board_verified":true,"closed_at":null,"days_open":87,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":87},"description":"Do you want to be part of the team behind the leading convertible bonds technology, data, and services?\nFounded in 2010, Leversys provides trading and risk management systems, data products, and related services to leading global investment banks and many of the world’s top 50 hedge funds.\nThe company is a dynamic, small, flat-structured organization with offices in major global financial centers.\nLeversys’s valuation model, systems, and data are recognized as among the market leaders in the convertible bonds space.\nFollowing the launch of the Marketspace platform, Leversys is entering an exciting scale-up phase, aiming to play a leading role in the digitalization of the convertibles market.\nThis creates opportunities for team members to make a meaningful impact while growing alongside the business as the product offering continues to expand.\nAs a Senior Software Engineer (back-end), you will:\nJoin a product development team involved in the full delivery lifecycle, from concept and specification through UI design, development, QA, and release.\nWork closely with product leads to turn ideas and client requirements into shipped features, with real ownership throughout.\nCollaborate with a small team of senior engineers where knowledge sharing is natural, standards are high, and ideas are encouraged.\nFollow a structured onboarding plan that combines early codebase contributions, architectural understanding, and exposure to the convertible bond domain.\nContribute to a product company that builds and owns its platform, giving your work lasting impact and visibility from problem definition to delivery and growth.\nBuild mission-critical applications for a specialised financial market with an established client base, keeping the engineering work purposeful and technically engaging.\nWork on both a cloud-based, globally distributed SaaS platform and an on-premises version.\nPropose and implement ideas rather than simply execute assigned tickets, with engineering input valued throughout the product lifecycle.\nGrow across the stack with support from experienced engineers and exposure to frontend, backend, services, and integrations.\nStrengthen your technical expertise while building enough convertible bond knowledge to make better engineering decisions.\nGain experience in a specialised financial domain that few engineers encounter, adding long-term depth and market value to your profile.\nWhat we’d like you to bring to Leversys:\nAt least five years of relevant experience as a back-end developer.\nStrong foundation in programming, data structures, and algorithms.\nStrong experience with major object-oriented languages such as C#, Java, C++, or similar.\nStrong knowledge of relational databases such as SQL or similar.\nProven ability to design scalable, high-performance back-end architectures.\nExperience with distributed systems and large-scale messaging platforms.\nKnowledge of multithreaded programming.\nSolid understanding of internet technologies such as TCP/IP and HTTP.\nGood understanding of the full software development life cycle.\nFamiliarity with service-oriented design and related technologies, including web services, REST, JSON, and GraphQL.\nFamiliarity with version control tools such as Git.\nAbility to use tracing and logging tools to diagnose and resolve production issues quickly.\nDesirable: understanding of design patterns.\nDesirable: experience with unit and integration testing.\nDesirable: exposure to major cloud platforms such as AWS or Azure.\nDesirable: experience with major UI frameworks such as Angular, React, Vue.js, or similar.\nDesirable: experience with financial software and SaaS products.\nA strong desire to learn, develop, and succeed.\nA commitment to achieving high standards.\nStrong attention to detail.\nCreativity and passion for building products.\nAbility to work with complex mathematical and financial concepts.\nExcellent analytical skills and a structured, logical approach to complex problem-solving.\nStrong written and verbal communication skills in English.\nAbility to explain complex technical concepts clearly to both technical and non-technical stakeholders.\nStrong interpersonal skills.\nComfort working in a dynamic, multi-tasking environment.\nA bachelor’s degree or higher in Computer Science, Engineering, or a related quantitative field from a leading institution.\nIn return, Leversys offers you:\nA genuine opportunity to have an impact and grow your career in established capital markets FinTech.\nThe ability to develop and apply a unique blend of knowledge and skills.\nThe scope to work on exciting and highly dynamic projects and interact with clients.\nPersonal development support.\nSponsorship to enhance your skills and continue your education.\nAn effective hybrid working structure.\nTop of the market remuneration, based on the experience level.\nTwenty-five days holiday, pro-rata.","description_format":"text","description_chars":4871,"description_truncated":false,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":true}]},"benefits":["Hybrid work"],"hiring_locations":[{"name":"Serbia","iso":"RS","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-09-12T01:44:22Z"}],"visa":[],"liveness":{"score":9,"band":"cold","label":"Long shot","p_open":1,"p_active":0.333,"p_room":0.28,"age_days":86,"expected_fill_days":30,"reasons":["conf:0","win:tail","crowd:"],"computed_at":"2026-10-04T05:45:00Z"},"pay":null,"html_url":"https://alion.io/job/leversys-senior-software-engineer-back-end","json_url":"https://alion.io/job/leversys-senior-software-engineer-back-end.json","meta":{"generated_at":"2026-10-05T02:46:28Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","usage":{"tier":"crawler","counted_by":"address","units_charged":1,"used_today":3810,"day_limit":5000,"remaining_today":1190,"minute_limit":60,"resets_at":"2026-10-06T00:00:00Z"}}}